Wcdma Ran Flexible Hsdpa

WCDMA RAN

Flexible Dual Carrier HSDPA Feature Parameter DescriptionIssue 01

Date 2014-04-30

HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2014. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

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mailto:[email protected]

Contents

1 About This Document1.1 Scope

1.2 Intended Audience

1.3 Change History

1.4 Differences Between Base Station Types

2 Overview2.1 Introduction

2.2 Benefits

2.3 Feature Capabilities

2.3.1 Multi-Carrier HSDPA Technologies

2.3.2 Cells Candidate for a Multi-Carrier Cell Group

2.3.3 Configuration of Multi-Carrier Cell Groups

3 Technical Description3.1 Overview

3.1.1 Impacts on Protocol Entities

3.1.2 Requirements for NEs

3.1.3 Impacts on RRM Functions

3.2 Load Control

3.2.1 Load Measurement

3.2.2 DRD

3.2.3 CAC

3.2.4 Queuing and Preemption

3.2.5 LDR and OLC

3.3 Dynamic Cell Shutdown

3.4 Multi-Carrier HSDPA Scheduling

3.5 Activation and Deactivation of Supplementary Carrier

4 Related Features4.1 Prerequisite Features

4.2 Mutually Exclusive Features

4.3 Impacted Features

5 Network Impact

6 Engineering Guidelines6.1 When to Use Flexible Dual Carrier HSDPA

6.2 Required Information

6.3 Planning

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6.3.1 RF Planning

6.3.2 Network Planning

6.3.3 Hardware Planning

6.4 Deployment

6.4.1 Process

6.4.2 Requirements

6.4.3 Data Preparation

6.4.4 Precautions

6.4.5 Activation

6.4.6 Activation Observation

6.4.7 Deactivation

6.5 Performance Monitoring

6.5.1 Factors Affecting Feature Benefits

6.5.2 Feature Benefits Monitoring

6.6 Parameter Optimization

6.7 Troubleshooting

7 Parameters

8 Counters

9 Glossary

10 Reference Documents

1 About This Document

1.1 Scope This document describes the WRFD-150208 Flexible Dual Carrier HSDPA, including its technical principles, related features, network impact, and engineering guidelines.This document applies to the following NE types.

NE Type NE Model

RNC BSC6900, BSC6910

NodeB Macro 3900 series macro base stations: BTS3900, BTS3900A, BTS3900L, BTS3900AL, DBS3900, BTS3900C3800 series macro base stations: DBS3800, BTS3812E, BTS3812AE

Micro Not supported

LampSite Not supported

1.2 Intended AudienceThis document is intended for personnel who:Need to understand the features described herein

Work with Huawei products

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1.3 Change History

This section provides information about the changes in different document versions. There are two types of changes, which are defined as follows:

Feature change

Changes in features of a specific product version

Editorial change

Changes in wording or addition of information that was not described in the earlier version

RAN16.0 01 (2014-04-30)

This issue does not include any change.

RAN16.0 Draft B (2014-02-28)

This issue includes the following changes.

Change Type Change Description Parameter Change

Feature change None None

Editorial change For details about feature support and function implementation differences between base station types, see "1.4 Differences Between Base Station Types."

None

RAN16.0 Draft A (2014-01-20)

Compared with issue 02 (2013-06-30) of RAN15.0, Draft A (2014-01-20) of RAN16.0 includes the following changes.

Change Type Change Description Parameter Change

Feature change This feature can be batch activated using the CME. For details, see section Using the CME (Method 1).

None

Editorial change None None

1.4 Differences Between Base Station Types

Feature Support by Macro, Micro, and LampSite Base Stations

Feature ID Description Supported by Controller(Y/N/NA)

Supported by Macro(Y/N/NA)

Supported by Micro(Y/N/NA)

LampSite

BSC6900 BSC6910 BTS3803E BTS3902E

WRFD-150208

Flexible Dual

Y Y Y N N N


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Carrier HSDPA

NOTE:

Y indicates that a feature is supported; N indicates that a feature is not supported; NA indicates that an NE is not involved, that is, a feature does not require the support of the NE.

Only macro base stations support the features described in this document.

2 Overview

2.1 Introduction As mobile communication services continue to develop, users have increasingly high requirements for downlink throughput. Multi-carrier HSDPA technologies enable UEs to set up HSDPA connections with multiple carriers, which increases the single-user downlink throughput.Before the Flexible Dual Carrier HSDPA feature was introduced, carriers that meet certain requirements could only form DC-HSDPA groups, and one carrier could belong to only one group. Therefore, multi-carrier HSDPA technologies could not be flexibly

applied, and frequency resources were not fully utilized. NOTE: SC-HSDPA is short for Single-Carrier High Speed Downlink Packet Access.

DC-HSDPA is short for Dual-Carrier High Speed Downlink Packet Access.

Now, with introduction of the Flexible Dual Carrier HSDPA feature, inter-frequency co-coverage cells that meet certain requirements can form a multi-carrier cell group, and cells in the multi-carrier cell group work in resource pool mode. The RNC dynamically selects cells from the group based on HSPA+ technical satisfaction, service requirements, and network load to construct DC-HSDPA groups for different UEs to fulfill their service requirements.

NOTE:

For details about HSPA+ technical satisfaction, see Directed Retry Decision Feature Parameter Description.

Figure 2-1 shows an example of cell group configuration with and without Flexible Dual Carrier HSDPA.

Figure 2-1 Example of cell group configuration with and without the Flexible Dual Carrier HSDPA feature

Figure 2-1 assumes that an operator has three inter-frequency co-coverage cells: F1, F2, and F3. Before the Flexible Dual Carrier HSDPA feature was deployed, two cells F1 and F2 formed one DC-HSDPA group and the third cell F3 worked as an SC-HSDPA cell. With the Flexible Dual Carrier HSDPA feature, the three cells F1, F2, and F3 can form a multi-carrier cell group, and cells in the multi-carrier cell group can flexibly form three DC-HSDPA groups for the HSDPA transmission of different UEs.

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NOTE:

In the example shown in Figure 2-1, three carriers are used. The number of carriers in actual networking can be three or four.

2.2 Benefits

The Flexible Dual Carrier HSDPA feature dynamically uses instantaneous idle resources in a cell, increasing the UE data rate and system capacity. In the case of three carriers, this feature increases the UE data rate by up to 20% when UEs are processing burst services. The feature gain is affected by the proportion of UEs supporting the multi-carrier HSDPA technologies.

This feature enables a smooth evolution between multi-carrier HSDPA technologies by configuring multi-carrier cell groups.

2.3 Feature Capabilities

2.3.1 Multi-Carrier HSDPA Technologies

The Flexible Dual Carrier HSDPA feature supports the following multi-carrier HSDPA technologies:

DC-HSDPA

DC-HSDPA+MIMO

NOTICE:

If the Flexible Dual Carrier HSDPA feature is used with the WRFD-010684 2×2 MIMO feature, the Primary/Secondary common Pilot (PSP) mode must be used. For details, see MIMO Feature Parameter Description.

The Flexible Dual Carrier HSDPA feature flexibly allocates different DC-HSDPA groups to different UEs.

NOTE:

For details about how to enable the DC-HSDPA feature, see DC -HSDPA Feature Parameter Description .

Figure 2-2 shows an example of using the Flexible Dual Carrier HSDPA feature and multi-carrier HSDPA technology together.









Figure 2-2 Example of using the Flexible Dual Carrier HSDPA feature and multi-carrier HSDPA technology together

2.3.2 Cells Candidate for a Multi-Carrier Cell Group

This section describes the requirements for cells to become candidates for a multi-carrier cell group.

Coverage

Cells in a multi-carrier cell group must belong to the same sector of a NodeB and must be inter-frequency co-coverage cells. Each multi-carrier cell group must have three or four inter-frequency cells. For DBS3800 and DBS3900 series base stations, cells in a multi-carrier cell group must be served by the same BBU.

Frequency Bands, Frequencies, and Bandwidth

A multi-carrier cell group consists of a maximum of four cells. The cells in a multi-carrier cell group must operate in the same frequency band.

Cells in the same frequency band can use adjacent frequencies or non-adjacent frequencies.

NOTE:

When cells in the same frequency band use non-adjacent frequencies, UEs must support non-adjacent frequencies.

Cell HSPA+ Capability

Cells in a multi-carrier cell group must have the Flexible Dual Carrier HSDPA feature enabled.

In a multi-carrier cell group, cells in the same frequency band must have either the WRFD-010696 DC-HSDPA or WRFD-010699 DC-HSDPA+MIMO feature enabled.

Others


One cell can belong to only one multi-carrier cell group.

For macro cells enabled with the Multiple RRUs in One Cell feature, one cell can belong to a maximum of three multi-carrier cell groups. This is because sectors with cells enabled with the Multiple RRUs in One Cell feature generally have an overlapping coverage area with two or three common sectors. For other types of cells, one cell can belong to only one multi-carrier cell group.

Cells in a multi-carrier cell group have the same time offset (specified by the Tcell(BSC6900,BSC6910) parameter).

NOTE:

Tcell(BSC6900,BSC6910) specifies the difference between the System Frame Number (SFN) and NodeB Frame Number (BFN) of the NodeB that the cells belong to. Tcell(BSC6900,BSC6910) is set in the MOD UCELLSETUP command.

2.3.3 Configuration of Multi-Carrier Cell Groups

To configure a multi-carrier cell group, perform the following steps:

1. Run the NodeB MML command ADD NODEBMULTICELLGRP to add a multi-carrier cell group. In this step, specify MULTICELLGRPID and set MULTICELLGRPTYPE to HSDPA.

2. Run the NodeB MML command ADD NODEBMULTICELLGRPITEM multiple times to add local cells to the multi-carrier cell group.

3 Technical Description

This chapter describes the technical details about the Flexible Dual Carrier HSDPA feature. For details about DC-HSDPA, DB-HSDPA, and 4C-HSDPA, see DC -HSDPA Feature Parameter Description ..

Unless otherwise specified, "multi-carrier HSDPA" referred to in this document indicates DC-HSDPA and combinations of DC-HSDPA and other techniques, for example, DC-HSDPA+64QAM.

3.1 Overview This section describes the impacts of Flexible Dual Carrier HSDPA on protocol entities, requirements for network elements (NEs), and impacts on radio resource management (RRM) functions.3.1.1 Impacts on Protocol Entities Figure 3-1 shows the protocol entities affected by the Flexible Dual Carrier HSDPA feature.Figure 3-1 Protocol entities affected by the Flexible Dual Carrier HSDPA feature

The Flexible Dual Carrier HSDPA feature affects the NodeB application part (NBAP) entity on the control plane and the MAC-ehs entity on the user plane as follows:NBAP entity






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Cell capability reporting: The NodeB reports the list of candidate secondary cells to the RNC.

Radio link (RL) setup and reconfiguration: The RNC sends information about primary and secondary cells to the NodeB.

MAC-ehs entity

The Flexible Dual Carrier HSDPA feature affects the scheduling function of the MAC-ehs entity.

Each UE is assigned a MAC-ehs entity. Before the Flexible Dual Carrier HSDPA feature is introduced, the MAC-ehs entity assigned to a DC-HSDPA UE performs joint scheduling between the primary and secondary cells. After the Flexible Dual Carrier HSDPA feature is introduced, the NodeB supports joint scheduling for all DC-HSDPA UEs in different cells.

3.1.2 Requirements for NEs

Table 3-1 describes the requirements of the Flexible Dual Carrier HSDPA feature for NEs.

Table 3-1 Requirements for NEs

NE Requirement

CN None

RNC The RNC must select the primary and secondary cells for UEs based on the information about candidate secondary cells reported by the NodeB. The RNC also performs multi-carrier HSDPA load control and scheduling. For details, see section 3.1.1 Impacts on Protocol Entities.

NodeB The NodeB must determine the list of candidate secondary cells for each cell based on the configured multi-carrier cell groups and report the primary and secondary cell information to the NodeB over the Iub interface.

The NodeB must perform joint scheduling between the primary and secondary cells for a single UE.

UE UEs must support at least one multi-carrier HSDPA technology and must belong to HS-DSCH category 21 or higher.

The Flexible Dual Carrier HSDPA feature requires support from NEs. Details are as follows:

The NodeB reports the multi-carrier HSDPA capability of each cell and the list of candidate secondary cells for each cell over the Iub interface.

The RNC determines the multi-carrier HSDPA capability of a UE based on the information reported by the UE.

The RNC selects a radio bearer and appropriate primary and secondary cells for the UE. The RNC then sends the bearing information to the NodeB and UE.

After the radio bearer is set up, the NodeB performs joint scheduling for the UE between the primary and secondary cells.

3.1.3 Impacts on RRM Functions

Table 3-2 describes the impacts on RRM functions: radio bearer, load control, dynamic cell shutdown, scheduling, and secondary carrier activation/deactivation.

Table 3-2 Impacts on RRM functions

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Function Impact See Section…

Radio bearer The Flexible Dual Carrier HSDPA feature brings no change to the radio bearer policy, compared with DC-HSDPA.

N/A

Load control The Flexible Dual Carrier HSDPA feature affects load measurement, call admission control (CAC), directed retry decision (DRD), queuing, preemption, load reshuffling (LDR), and overload control (OLC).

3.2 Load Control

Dynamic cell shutdown

After the Flexible Dual Carrier HSDPA feature is introduced, the RNC determines whether to dynamically shut down a secondary cell based on cell load and the number of DC-HSDPA users in the cell.


Scheduling The NodeB performs joint scheduling for DC-HSDPA UEs between the primary and secondary cells.


Secondary carrier activation/deactivation

None N/A

3.2 Load Control

3.2.1 Load Measurement

The Flexible Dual Carrier HSDPA feature affects the cell load estimation in the following aspects:

Downlink cell power

Cell Guaranteed Bit rate Power (GBP), which is used for downlink power admission algorithms 1 and 3

Equivalent number of downlink users, which is used for downlink power admission algorithm 2

Number of HSDPA users

For details about load estimation, see Call Admission Control Feature Parameter Description.

The load estimation results serve as a basis for Potential User Control (PUC), LDR, OLC, and load balancing-based inter-frequency DRD. Of these functions, only the PUC remains unchanged after the Flexible Dual Carrier HSDPA feature is applied.

Cell Downlink GBP

When the Flexible Dual Carrier HSDPA feature is applied, the cell downlink GBP consists of R99 user power, SC-HSDPA user power, and DC-HSDPA user power. The transmit power of each DC-HSDPA user in the primary or secondary cell equals the user's total GBP multiplied by the percentage of the transmit power in the cell.

NOTE:

GBP is the power required for the guaranteed bit rate (GBR) in the downlink.









Figure 3-2 shows the composition of cell downlink GBP after the Flexible Dual Carrier HSDPA feature is applied.

Figure 3-2 Composition of cell downlink GBP after the Flexible Dual Carrier HSDPA feature is applied

NOTE:

The methods of estimating the downlink cell power in a DC-HSDPA cell are the same before and after the Flexible Dual Carrier HSDPA feature is enabled. For details, see Call Admission Control Feature Parameter Description.

Equivalent Number of Downlink Users

When the Flexible Dual Carrier HSDPA feature is activated, DC-HSDPA users consume ENU resources only in the primary cell. For details about how to calculate the consumed ENU resources in a cell, see Call Admission Control Feature Parameter Description.

NOTE:

ENU is short for equivalent number of users.

Number of HSDPA Users

The Flexible Dual Carrier HSDPA feature does not affect the estimation of the number of HSDPA users. One DC-HSDPA user is calculated as one HSDPA user only in the primary cell.

3.2.2 DRD

This section describes only the DRD when the Flexible Dual Carrier HSDPA feature is applied. For details about DRD, see Directed Retry Decision Feature Parameter Description. For details about the DRD for DC-HSDPA UEs, see DC -HSDPA Feature Parameter Description .








During the radio bearer setup or state transition from CELL_FACH, CELL_PCH, or URA_PCH to CELL_DCH, the RNC performs DRDs to select primary and secondary cells for UEs if the RNC determines that DC-HSDPA is configured for the UEs according to the radio bearer policy.

The DRD procedure is as follows:

1. The RNC ranks candidate cells that meet the DRD quality requirements.

The Flexible Dual Carrier HSDPA feature does not affect candidate cell ranking.

During candidate cell ranking, the RNC successively performs DRD for device type steering, DRD for HSPA+ technical satisfaction, DRD for service priority, DRD for load balancing, and DRD for user position. For details, see DC -HSDPA Feature Parameter Description .

2. The RNC determines primary and secondary cells.

The RNC selects the primary cell in order from high priority to low priority ranked in the preceding step.

After selecting the primary cell, the RNC selects a secondary cell in order from light downlink load to heavy downlink load from the candidate secondary cell list to form a cell group with the primary cell and then performs CAC. The candidate secondary cell list is reported by the NodeB to the RNC for each primary cell.

If the CAC attempt succeeds, the UE is served by the selected cell group. If the CAC attempt fails, the RNC selects the next secondary cell in order of load from the candidate secondary cell list.

If the CAC attempt fails in all candidate secondary cells, the RNC selects the next primary cell in order of priority and performs CAC. The RNC repeats this process until the CAC procedure is successful.

NOTE:

The primary and secondary cells for a DC-HSDPA user must belong to the same multi-carrier cell group.

A primary cell can have multiple candidate secondary cells. Assume that a multi-carrier cell group has three cells that operate in three adjacent frequencies in the same band: F1, F2, and F3. If the RNC selects F2 as the primary cell for a DC-HSDPA UE, F1 and F3 are both candidate secondary cells. Therefore, F2 can form a DC-HSDPA group with either of them.

The SecCellLdbDrdChoice(BSC6900,BSC6910) parameter specifies the downlink load type during secondary cell selection.

When this parameter is set to UserNumber, the RNC selects a secondary cell based on the number of HSDPA users.

When this parameter is set to Power, the RNC selects a secondary cell based on the downlink power.

The SecCellLdbDrdChoice(BSC6900,BSC6910) parameter can be set at either the RNC level or the cell level. The RNC-level parameter is in the SET UDRD command. The cell-level parameter is in the ADD UCELLDRD or MOD UCELLDRD command. If this parameter is set at the cell level, the cell-level parameter prevails, regardless of whether it is also set at the RNC level. If this parameter is set only at the RNC level, the RNC-level parameter prevails.

3.2.3 CAC


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The Flexible Dual Carrier HSDPA feature affects only downlink cell power resource-based CAC. For details about CAC, see Call Admission Control Feature Parameter Description. For details about the CAC for DC-HSDPA UEs, see DC -HSDPA Feature Parameter Description .

Downlink Cell Power Resource-based CAC

Table 3-3 describes the impact of the Flexible Dual Carrier HSDPA feature on downlink cell power resource-based CAC.

Table 3-3 Impact of the Flexible Dual Carrier HSDPA feature on downlink cell power resource-based CAC

Whether the Flexible Dual

Carrier HSDPA

Feature Is Applied in the

Cell

Cell Type Downlink Power Admission Algorithms 1 and 3

Downlink Power Admission Algorithm 2

No DC-HSDPA cell For non-DC-HSDPA UEs, the RNC performs CAC in the serving cell and in the DC-HSDPA group.

For DC-HSDPA UEs, the RNC performs CAC based on the remaining downlink power of the DC-HSDPA group.

For DC-HSDPA UEs, the RNC performs CAC based on the remaining downlink power of the DC-HSDPA group.

Yes DC-HSDPA cell For DC-HSDPA UEs, the RNC performs CAC in the primary and secondary cells. If the CAC procedure in any cell is successful, the admission of DC-HSDPA UEs is considered successful.

For DC-HSDPA UEs, the RNC performs CAC only in the primary cell.

NOTE:

For details about power admission algorithms 1, 2, and 3, see chapter 7 "Cell Power Resource-based CAC" in Call Admission Control Feature Parameter Description.

CAC based on Other Resources

The Flexible Dual Carrier HSDPA feature does not affect CAC based on the number of HSDPA users. For DC-HSDPA UEs, the RNC performs CAC based on the number of HSDPA users only in the primary cell.

The Flexible Dual Carrier HSDPA feature does not affect NodeB credit resource-based CAC and Iub resource-based CAC.

Admission Failure Processing

Figure 3-3 shows how a DC-HSDPA UE admission failure is processed.






Figure 3-3 Admission failure processing

The RNC attempts to select a neighboring cell for inter-frequency blind handovers as the primary cell and then selects an appropriate secondary cell. The RNC then performs CAC.

If the CAC attempt fails in all inter-frequency co-coverage cells in the same sector, DC-HSDPA services fall back to R99 channels in the current cell and then reattempt to access the network.

3.2.4 Queuing and Preemption

The Flexible Dual Carrier HSDPA feature does not affect the queuing and preemption functions of DC-HSDPA UEs.

DC-HSDPA UEs are queued only in the primary cell. DC-HSDPA UEs preempt only the resources of other DC-HSDPA UEs in the primary cell.

The queuing and preemption functions of DC-HSDPA UEs are the same as those of SC-HSDPA UEs. For details about queuing and preemption, see Load Control Feature Parameter Description.

3.2.5 LDR and OLC




After the Flexible Dual Carrier HSDPA feature is applied, the RNC monitors the load status of each cell and triggers LDR or OLC. For details about how to monitor the load status of a cell, see section 3.2.1 Load Measurement.

For DC-HSDPA UEs, the RNC performs LDR only on the UEs that use the current cell as the primary cell. The LDR function is the same as that before the Flexible Dual Carrier HSDPA feature is applied. If LDR is implemented through inter-frequency handovers, the target cell cannot be a secondary cell of the UE.

The OLC function is the same as that before the Flexible Dual Carrier HSDPA feature is applied. For details about LDR and OLC, see Load Control Feature Parameter Description and Overload Control Feature Parameter Description.


During off-peak hours, one or more cells in co-coverage areas can be shut down to reduce the power consumption of the NodeB. The following two features describe dynamic shutdown of cells:

WRFD-020117 Multi-Carrier Switch off Based on Traffic Load WRFD-020122 Multi-Carrier Switch off Based on QoS.

The Flexible Dual Carrier HSDPA feature can be used with the dynamic cell shutdown function.

After the Flexible Dual Carrier HSDPA feature is activated, the following condition is added for shutting down a cell:

The number of DC-HSDPA UEs in the cell must be less than or equal to the value of the McHsdpaUserNumThd(BSC6900,BSC6910) parameter in the ADD UCELLDYNSHUTDOWN command.

For details about how to estimate the downlink power of a cell, see 3.2.1 Load Measurement.

For details about the dynamic cell shutdown function, see Green BTS Feature Parameter Description.


Each UE is assigned a MAC-ehs entity. The MAC-ehs entity assigned to a DC-HSDPA UE performs joint scheduling between the primary and secondary cells.

After the Flexible Dual Carrier HSDPA feature is introduced, the NodeB supports joint scheduling for all DC-HSDPA UEs in different cells. The NodeB ranks DC-HSDPA UEs according to user priority and allocates the resources in the primary and secondary cells to the UE.

The NodeB takes more resources from cells with a lighter load and fewer resources from cells with a heavier load in the group to allocate to UEs. In this way, the resources of cells with a heavier load are reserved for SC-HSDPA UEs.

For details about joint scheduling, see HSDPA Feature Parameter Description.

3.5 Activation and Deactivation of Supplementary Carrier

The NodeB deactivates the supplementary carrier for a dual-carrier user when the user's traffic volume is low. When the traffic volume rises, the NodeB reactivates the supplementary carrier and the user becomes a dual-carrier user again.

When one carrier is enough to carry the data sources and throughput for a user, the DC-HSDPA supplementary carrier can be deactivated for the user. Only the ACK/NACK and CQI messages over the primary carrier are transmitted on the HS-DPCCH. In this way, the HS-DPCCH power and the uplink load are reduced. When the data sources and throughput for a user exceed the capability of one carrier, the supplementary carrier will be reactivated for the user.

For details, see Traffic-Based Activation and Deactivation of the Supplementary Carrier In Multi-carrier Feature Parameter Description.








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4 Related Features

4.1 Prerequisite Features If multiple cells in a multi-carrier cell group operate in the same frequency band, the cells that operate in the same frequency band must have the WRFD-010696 DC-HSDPA feature enabled. 4.2 Mutually Exclusive FeaturesIf the Flexible Dual Carrier HSDPA feature is used with the WRFD-010684 2×2 MIMO feature in a cell, the Primary/Secondary common Pilot (PSP) mode must be used for the MIMO. For details, see MIMO Feature Parameter Description.4.3 Impacted FeaturesRAN Sharing and MOCNThe Flexible Dual Carrier HSDPA feature can be enabled in RAN sharing or Multi-Operator Core Network (MOCN) scenarios.When the Flexible Dual Carrier HSDPA feature is enabled in RAN sharing or MOCN scenarios, run the RNC MML command SET UOPERATORSHARINGMODE to set InterPlmnMultiCarrSwitch(BSC6900,BSC6910) to YES. This allows UEs to use cells belonging to different operators as primary and secondary cells, but each UE must use its operator's cell as the primary cell. The secondary cell can belong to other operators. When InterPlmnMultiCarrSwitch(BSC6900,BSC6910) is set to NO, the UE must use its operator's cells as the primary and secondary cells.DC-HSUPAThe Flexible Dual Carrier HSDPA feature does not affect the configuration of DC-HSUPA.When the Flexible Dual Carrier HSDPA feature is used with DC-HSUPA, a DC-HSDPA UE can use DC-HSUPA only when the DC-HSUPA group is the same as the DC-HSDPA group.Figure 4-1 shows an example of using the Flexible Dual Carrier HSDPA feature and DC-HSUPA together.Figure 4-1 Example of using the Flexible Dual Carrier HSDPA feature and DC-HSUPA together

Figure 4-1 assumes that a multi-carrier cell group has three cells (F1, F2, and F3) and the Flexible Dual Carrier HSDPA feature is activated in the cells. If F1 and F2 are configured as a DC-HSUPA group, only DC-HSDPA UEs that use F1 and F2 as the primary and secondary cells can establish DC-HSUPA connections in

the uplink, and other DC-HSDPA UEs cannot establish DC-HSUPA connections in the uplink.5 Network ImpactSystem CapacityThis feature reduces the difference between the downlink load of cells in a multi-carrier cell group. The effect of this feature depends on the number of DC-HSDPA UEs and their traffic volume. A larger number of DC-HSDPA UEs and a larger traffic volume results in smaller difference between the downlink load of cells.Network PerformanceCells in a multi-carrier cell group have the same time offset (specified by the Tcell(BSC6900,BSC6910) parameter). When multiple cells (three or four) served by the same RRU in a sector transmit data at full power, the peak-to-average ratio (PAR) of the RRU increases if a higher-order modulation scheme is used in the downlink. As a result, cell throughput may decrease. On live networks, cells in the same sector do not transmit data at full power for a long period of time, and therefore cell throughput only slightly decreases.After Flexible Dual Carrier HSDPA is activated in networks with a low load, the data rates of DC-HSDPA UEs increase because UEs can fully utilize frequency resources. As network load increases, the gain provided by this feature decreases. The difference between the downlink load of cells in a multi-carrier cell group before this feature is activated also affects the gain

provided by this feature. A larger difference results in a greater gain.6 Engineering Guidelines 6.1 When to Use Flexible Dual Carrier HSDPA This feature is recommended in the following scenarios:There are more than two inter-frequency co-coverage cells.

A large proportion of UEs support DC-HSDPA.

The downlink load of inter-frequency co-coverage cells is low.








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When the downlink load is high or the proportion of UEs supporting DC-HSDPA is small, the gain provided by this feature is low. For details about the impact of downlink load or the proportion of UEs supporting DC-HSDPA on this feature, see section 6.5.1 Factors Affecting Feature Benefits.

6.2 Required Information

Before feature deployment, operators need to collect the following information:

Frequencies, and bandwidth Proportion of UEs supporting DC-HSDPA

Cell downlink load

For details about the related counters, see section 6.5.2 Feature Benefits Monitoring.

6.3 Planning

6.3.1 RF Planning

Before enabling the Flexible Dual Carrier HSDPA feature, plan the frequencies as described in 2.3.2 Cells Candidate for a Multi-Carrier Cell Group.

Frequencies in the same frequency band can be either adjacent or non-adjacent. Figure 6-1 shows an example of three adjacent and non-adjacent frequencies in the same frequency band (band a).

Figure 6-1 Three frequencies in the same frequency band

6.3.2 Network Planning

After you determine the frequency band and frequencies, determine multi-carrier cell groups and the multi-carrier HSDPA technologies for each cell. For details about the requirements, see sections 2.3.1 Multi-Carrier HSDPA Technologies and 2.3.2 Cells Candidate for a Multi-Carrier Cell Group.

On live networks, most operators have multiple inter-frequency co-coverage cells in urban areas and hotspots. Using multi-carrier HSDPA technologies and the Flexible Dual Carrier HSDPA feature together enables full utilization of frequency resources and supports a smooth evolution to future technologies. The following provides configuration suggestions for the typical scenario below.

In this scenario, three or four inter-frequency co-coverage cells that operate in the same frequency band have been enabled with DC-HSDPA.

The Flexible Dual Carrier HSDPA feature can be activated in this scenario. This feature helps flexibly allocate frequency resources and enable smooth multi-carrier evolution. Figure 6-2 shows an example of multi-carrier evolution in a single-band scenario.














Figure 6-2 Example of multi-carrier evolution in a single-band scenario

RAN Sharing and MOCN

In MOCN and RAN sharing scenarios, cells of different carriers can form a multi-carrier cell group when the InterPlmnMultiCarrSwitch(BSC6900,BSC6910) parameter is set to YES.

For details about the implementation of the Flexible Dual Carrier HSDPA feature in RAN sharing and MOCN scenarios, see 4.3 Impacted Features.

6.3.3 Hardware Planning Dependency on RNC hardware

None

Dependency on NodeB hardware The BTS3812A, BTS3812E, and BTS3812AE can be configured with a maximum of

three carriers. The BTS3812A, BTS3812E, and BTS3812AE must be configured with the EBBI, EBOI, EDLP+EULP, or EDLP+EULPd boards. The HBBI and HDLP boards do not support this feature.

The DBS3800 can be configured with a maximum of three carriers. The DBS3800 must be configured with the EBBC or EBBCd board.

Only the 3900 series base stations support 4C-HSDPA. Only the 3900 series base stations can enable MIMO for frequencies where Flexible Dual Carrier HSDPA is activated. The 3900 series base stations must be configured with the WBBPb, WBBPd, WBBPf, or UBBPd board.

Table 6-1 presents an example of the hardware configuration of a NodeB that is configured with three sectors.

Table 6-1 Example of the hardware configuration of a NodeB that is configured with three sectors






Scenario Base Station Type

Hardware Configuration

Three carriers DBS3800 The DBS3800 must be configured with two BBU3806s. The two BBU3806s must be interconnected, and each must be configured with an EBBC or EBBCd board.

BTS3812A, BTS3812E, and BTS3812AE

The BTS3812A, BTS3812E, and BTS3812AE must be configured with at least two EBBI or EBOI boards. Alternatively, the BTS3812A, BTS3812E, and BTS3812AE must be configured with two EDLP boards and one EULP or EULPd board.

3900 series base stations

The 3900 series base stations must be configured with at least two WBBPb, WBBPd, or WBBPf boards (in any combination).

Three carriers (with DC-HSDPA+MIMO) 3900 series base stations

The 3900 series base stations must be configured with at least two WBBPf boards, three WBBPb boards, three WBBPd boards, or three boards that can be any combination of WBBPb, WBBPd, and WBBPf boards.

Four carriers 3900 series base stations

The 3900 series base stations must be configured with at least three WBBPb, WBBPd, or WBBPf boards (in any combination).

Four carriers (with DC-HSDPA+MIMO) 3900 series base stations

The 3900 series base stations must be configured with at least three WBBPd or WBBPf boards (in any combination).

6.4 Deployment

6.4.1 Process

Figure 6-3 outlines Flexible Dual Carrier HSDPA deployment process.




Figure 6-3 Flexible Dual Carrier HSDPA deployment process

6.4.2 Requirements

NOTE:

In site split scenarios, the Flexible Dual Carrier HSDPA feature can be enabled only when site split is performed on a per sector basis.

Other Features

If multiple cells in a multi-carrier cell group operate in the same frequency band, the cells that operate in the same frequency band must have the WRFD-010696 DC-HSDPA feature enabled.

The DC-HSDPA feature must have already been enabled according to the planning result.

License

For details about how to activate the license, see License Management Feature Parameter Description.

Feature ID Feature Name License Control Item

License Control Name

NE License Allocation for

Multiple Operators

Sales Unit

WRFD-150208

Flexible Dual Carrier HSDPA

LQW9FDCDB01 Flexible Dual Carrier HSDPA Function (per NodeB)

NodeB Method 1 per NodeB



If RAN Sharing or MOCN is enabled, the licensed value is allocated among the primary and secondary operators according to the value of the "License Allocation for Multiple Operators parameter".

Method 1: some license control items, such as Dynamic CE Function (per NodeB), can be allocated only through the common group. For the NodeB license allocation among multiple operators, see License Management Feature Parameter Description.

Operating Environment

One sector is deployed with three or four inter-frequency cells and these cells must be configured in the same downlink resource group. After the configuration of the multi-carrier cell group, the NodeB attempts to set up all cells in the multi-carrier cell group on the same board. If not all the cells are set up in the same group, the NodeB reports ALM-28206 Local Cell Capability Decline.

NOTE:

It is recommended that the Auto Rebuild Cell function be enabled. Run the SET NODEBRESALLOCRULE command to set the SW parameterto ON and specifying CS User Number Threshold and PS User Number Threshold. If the number of CS users and PS users in the downlink resource group is smaller than or equal to the thresholds, cells are reestablished automatically.

UEs are capable of at least one of the multi-carrier HSDPA technologies: DC-HSDPA. When cells in a multi-carrier cell group that operate in the same frequency band use non-adjacent

frequencies, UEs must support non-adjacent frequencies.

6.4.3 Data Preparation

Table 6-2 lists the data to prepare before activating the Flexible Dual Carrier HSDPA feature.

Table 6-2 Data to prepare before activating the Flexible Dual Carrier HSDPA feature

Parameter Name

Parameter ID Setting Notes Data Source

Time Offset Tcell(BSC6900,BSC6910) All cells in a multi-carrier cell group that are to be enabled with the Flexible Dual Carrier HSDPA feature must have this parameter set to the same value.

Radio network plan (internal)

Multiple Carrier Cell Group ID

MULTICELLGRPID The multi-carrier cell group ID must be unique under a NodeB.


Cell Hspa Plus function switch

HspaPlusSwitch(BSC6900,BSC6910) DC_HSDPA(Cell DC-HSDPA Function Switch) in this parameter must be selected.


Multiple Carrier Cell Group Type

MULTICELLGRPTYPE This parameter must be set to HSDPA(HSDPA).



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http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/para/NodeBResAllocRule-autoRebuildCellSwitch.html

Parameter Name

Parameter ID Setting Notes Data Source

Inter-PLMN Multicarrier HSDPA Switch

InterPlmnMultiCarrSwitch(BSC6900,BSC6910) In RAN sharing or MOCN scenarios, when cells belonging to different operators are used for HSDPA transmission of a UE, this parameter must be set to YES(YES).


6.4.4 Precautions

Before you configure a multi-carrier cell group, for example, if you want to add a cell to or remove a cell from the group, you need to deactivate all cells in the group first. Deactivating a cell interrupts the ongoing services in the cell. Therefore, configure a multi-carrier cell group during off-peak hours, for example, in the early morning.

6.4.5 ActivationUsing MML Commands

Based on the network plan and prepared data, perform the following operations to activate the Flexible Dual Carrier HSDPA feature:

1. Configure a multi-carrier cell group on the NodeB side.

A multi-carrier cell group can be either added or reconstructed from a DC-HSDPA group.

Adding a new multi-carrier cell group

Perform the following operations to add a multi-carrier cell group:

Run the NodeB MML command ADD NODEBMULTICELLGRP to add a multi-carrier cell group.

Run the NodeB MML command ADD NODEBMULTICELLGRPITEM multiple times to add local cells to the multi-carrier cell group.

Reconstructing a multi-carrier cell group

If the cells to be enabled with the Flexible Dual Carrier HSDPA feature have been configured as DC-HSDPA groups, operators can reconstruct a multi-carrier cell group from any DC-HSDPA group and delete the other groups. The detailed operations are as follows:

To reconstruct a DC-HSDPA group, run the NodeB MML command RMV NODEBMULTICELLGRPITEM or ADD NODEBMULTICELLGRPITEM to remove or add the local cells in the group.

For the other DC-HSDPA groups, run the NodeB MML commands RMV NODEBMULTICELLGRPITEM and RMV NODEBMULTICELLGRP to remove them.

NOTE:

The multi-carrier cell group ID can be queried using the NodeB MML command LST NODEBMULTICELLGRP.





2. (Optional) Run the RNC MML command MOD UCELLSETUP to modify the value of the Time Offset parameter based on the prepared data.

NOTE:

The value of the Time Offset parameter can be queried using the LST UCELL command.

3. (Optional) Run the STR REALLOCLOCELL command to reestablish a cell, and then run the SET NODEBRESALLOCRULE command to set the SW parameter to ON and set the threshold CS User Number Threshold and PS User Number Threshold. If the number of CS users and PS users in the downlink resource group is smaller than or equal to the thresholds, cells are reestablished automatically.

4. (Optional) If the multi-carrier HSDPA capability of a cell in the multi-carrier cell group changes, run the following commands to reconfigure parameters based on the network plan and prepared data.

MML Command Parameter Name

Switch Remarks

MOD UCELLALGOSWITCH Cell Hspa Plus function switch

DC_HSDPA(DC-HSDPA Function Switch)

Cell DC-HSDPA switch

DCMIMO_HSDPA(DC-HSDPA+MIMO Function Switch)

Cell DC-HSDPA+MIMO switch

SET UCORRMALGOSWITCH Channel Configuration Strategy Switch

CFG_HSDPA_DC_SWITCH DC-HSDPA bearing switch

CFG_HSDPA_DC_MIMO_SWITCH

DC-HSDPA bearing switch

SET UFRC HSPA Technologies Retried by UEs

DC_HSDPA DCC-HSDPA DRD switch

DCMIMO_HSDPA DC-HSDPA+MIMO DRD switch

SET UOPERATORSHARINGMODE

Inter-PLMN Multicarrier HSDPA Switch

N/A Switch that uses cells belonging to different operators for HSDPA transmission of a UE in RAN sharing or MOCN scenarios

MML Command Examples

//Adding a multi-carrier cell groupADD NODEBMULTICELLGRP: MULTICELLGRPID=1, MULTICELLGRPTYPE=HSDPA;


//Adding local cells to a specified multi-carrier cell groupADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=1; ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=2; ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=3; ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=4; //Modifying the time offset parameter for cells in the same multi-carrier cell groupMOD UCELLSETUP: CellId=1, TCell=CHIP256; //Enabling the joint scheduling of multi-carrier cells on different baseband processing boardsSET NODEBALGPARA: HSPAMCINTERBRDSCHSW=ON;//(Optional)Enable the Auto Rebuild Cell functionSET NODEBRESALLOCRULE: SW=ON, CSUSERNUM=0, PSUSERNUM=0;//Turning on the HSPA+ switchMOD UCELLALGOSWITCH: CellId=1, HspaPlusSwitch=DC_HSDPA-1&DB_HSDPA-1; //Turning on the multi-carrier HSDPA bearing switchSET UCORRMALGOSWITCH: CfgSwitch=CFG_HSDPA_DC_SWITCH-1&CFG_HSDPA_DB_SWITCH-1; //Enabling DC-HSDPA UEs to use cells belonging to different operators in RAN sharing or MOCN scenariosSET UOPERATORSHARINGMODE: InterPlmnMultiCarrSwitch=YES;

Using the CME (Method 1)

This feature can be batch activated using the CME. For detailed operations, see the following section in the CME product documentation or online help: Managing the CME > CME Guidelines > Enhanced Feature Management > Feature Operation and Maintenance.

Using the CME (Method 2)

NOTE:

When configuring the Flexible Dual Carrier HSDPA feature on the CME, perform a single configuration first, and then perform a batch modification if required.

Configure the parameters of a single object before a batch modification. Perform a batch modification before logging out of the parameter setting interface.

1. Configure a single object (such as a cell) on the CME.

Set parameters on the CME according to the operation sequence described in Table 6-3. For instructions on how to perform the CME single configuration, see CME Single Configuration Operation Guide.

2. (Optional) Modify objects in batches on the CME. (CME batch modification center)

To modify objects in batches, click on the CME to start the batch modification wizard. For instructions on how to perform a batch modification through the CME batch modification center, press F1 on the wizard interface to obtain online help.

Table 6-3 Configuring parameters on the CME

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/CME/common-config.html



SN MO NE Parameter Name

Parameter ID Configurable in CME

Batch Modificatio

n Center

1 NodeBMultiCellGrp NodeB

Multiple Carrier Cell Group ID

MULTICELLGRPID Yes

Multiple Carrier Cell Group Type

Set this parameter to HSDPA(HSDPA).

MULTICELLGRPTYPE

Yes

NODEBMULTICELLGRPITEM

NodeB

Local Cell ID ULOCELLID Yes

2 (Optional)

UCELLSETUP RNC Time Offset

NOTE:

This parameter must be set according to the prepared data.

Tcell(BSC6900,BSC6910)

Yes

3 NODEBRESALLOCRULE NodeB

Auto Rebuild Cell Switch

SW Yes

6.4.6 Activation Observation

Monitor counters or perform drive tests to check whether the Flexible Dual Carrier HSDPA feature is working properly.

Monitoring Counters

Monitor the value of the following counter in cells of a multi-carrier cell group:

VS.HSDPA.DC.PRIM.UE.Mean.Cell: Average number of DC-HSDPA UEs in anchor carrier in a Cell

If the value of this counter is not zero for a cell, this feature is working properly for that cell.

Performing Drive Tests

1. Prepare multiple test UEs.

NOTE:

Multiple test UEs are used to simultaneously perform FTP dialing tests so that every cell in the multi-carrier cell group is tested.









2. Start Uu interface trace on the RNC LMT for each test UE. In the displayed Uu Interface Trace dialog box, select RRC_RB_SETUP, as shown in Figure 6-4.

Figure 6-4 Uu Interface Trace dialog box

3. Use test UEs to perform FTP dialing tests in the coverage area of the multi-carrier cell group, and ensure that HSDPA connections are established.

4. View the value of the "dl-SecondaryCellInfoFDD" IE in the traced Uu interface messages for the secondary cell information.

Expected result: It is observed that all test UEs have established a DC-HSDPA radio bearer and every cell in the multi-carrier cell group serves as a primary or secondary cell for a test UE. The observed results indicate that this feature is working properly.


Figure 6-5 "dl-SecondaryCellInfoFDD" IE

6.4.7 DeactivationUsing MML Commands

Use either of the following methods to deactivate the Flexible Dual Carrier HSDPA feature:

Disabling the Flexible Dual Carrier HSDPA feature in some cells of the multi-carrier cell group Removing the multi-carrier cell group

Table 6-4 describes the two methods.

Table 6-4 Flexible Dual Carrier HSDPA feature deactivation methods

Method Advantage/Disadvantage Operation

Disabling the Flexible Dual Carrier HSDPA feature in some cells of the multi-carrier cell group

Advantage:

This method does not require cell deactivation, and therefore services are uninterrupted.

Disadvantage:

N/A

Run the RNC MML command MOD UCELLALGOSWITCH multiple times to disable the Flexible Dual Carrier HSDPA feature in some cells of the multi-carrier cell group. In this step, deselect DC_HSDPA(Cell DC-HSDPA Function Switch) in the Cell Hspa Plus function switch parameter.

Removing the multi-carrier cell group

Advantage:

This method completely disables the Flexible Dual Carrier HSDPA feature.

Disadvantage:

Deactivating a cell interrupts services in the cell. Therefore, perform this operation during off-peak hours, for example, in the early morning.

After the multi-carrier cell group is removed, each cell supports only R99 and SC-HSDPA connections in the

1. Run the RNC MML command DEA UCELL multiple times to deactivate each cell in the multi-carrier cell group.

2. Run the NodeB MML command RMV NODEBMULTICELLGRPITEM to remove all cells from the multi-carrier cell group.

3. Run the NodeB MML command RMV NODEBMULTICELLGRP to remove the multi-carrier cell group.

4. Run the RNC MML command ACT UCELL to reactivate the cells.



Method Advantage/Disadvantage Operation

downlink and the single-user downlink peak throughput decreases.

MML Command Examples

Disabling DC-HSDPA or DB-HSDPA in some cells of the multi-carrier cell group

//Disabling the multi-carrier HSPA+ feature in a logical cellMOD UCELLALGOSWITCH: HspaPlusSwitch=DC_HSDPA-0; Removing the multi-carrier cell group

//Deactivating local cellsDEA UCELL: CellId=1; DEA UCELL: CellId=2; DEA UCELL: CellId=3; DEA UCELL: CellId=4; //Removing cells from the multi-carrier cell groupRMV NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=1; RMV NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=2; RMV NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=3; RMV NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=4; //Removing the multi-carrier cell groupRMV NODEBMULTICELLGRP: MULTICELLGRPID=1;

Using the CME

Operators can use either method described in Table 6-4 to deactivate the Flexible Dual Carrier HSDPA feature.

NOTE:

When configuring the Flexible Dual Carrier HSDPA feature on the CME, perform a single configuration first, and then perform a batch modification if required.

Configure the parameters of a single object before a batch modification. Perform a batch modification before logging out of the parameter setting interface.

1. Configure a single object (such as a cell) on the CME.

Set parameters on the CME according to the operation sequence in Table 6-5 or Table 6-6. For instructions on how to perform the CME single configuration, see CME Single Configuration Operation Guide.

For parameters involved in the method of disabling the Flexible Dual Carrier HSDPA feature in some cells of the multi-carrier cell group, see Table 6-5.

For parameters involved in the method of removing the multi-carrier cell group, see Table 6-6.

2. (Optional) Modify objects in batches on the CME. (CME batch modification center)









To modify objects in batches, click on the CME to start the batch modification wizard. For instructions on how to perform a batch modification through the CME batch modification center, press F1 on the wizard interface to obtain online help.

Table 6-5 Configuring parameters on the CME (disabling the Flexible Dual Carrier HSDPA feature in some cells of the multi-carrier cell group)

SN MO NE Parameter Name

Parameter ID Configurable in CME Batch

Modification Center

1 UCELLALGOSWITCH RNC Cell Hspa Plus function switch

HspaPlusSwitch(BSC6900,BSC6910) Yes

Table 6-6 Configuring parameters on the CME (removing the multi-carrier cell group)

SN MO NE Parameter Name Parameter ID Configurable in CME Batch

Modification Center

1 LOCELLIDLISTTYPE NodeB Local Cell ID ULOCELLID Yes

2 NodeBMultiCellGrp NodeB Multiple Carrier Cell Group ID

MULTICELLGRPID Yes

6.5 Performance Monitoring

6.5.1 Factors Affecting Feature Benefits Proportion of UEs supporting DC-HSDPA in a cell

The smaller the proportion of UEs supporting DC-HSDPA the less the feature benefits.

Traffic volume of DC-HSDPA UEs in a cell

The feature benefits are greater in heavy-traffic scenarios, such as browsing web pages, or downloading MP3s, UE software, and ring tones.

The feature benefits are less in the following scenarios:

The traffic volume of DC-HSDPA UEs is very low. For example, UEs are receiving only heartbeat packets (most heartbeat packets are less than 100 bytes in size).

DC-HSDPA UEs are performing full buffer services, such as bit torrent (BT) downloading, point-to-point service (P2P), and high definition movie downloading. In such scenarios, the feature benefits mainly result from diversity scheduling. When the number of DC-HSDPA users increases, the feature benefits decrease.

Cell load




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When downlink load is heavy or the number of online UEs is large in a cell, the feature benefits are limited.

In addition, when the difference between the downlink load of cells in a multi-carrier cell group is large, fairness among users cannot be ensured, and cell resources cannot be flexibly allocated. The Flexible Dual Carrier HSDPA feature flexibly schedules resources of different cells for HSDPA transmission of a UE, ensuring the fairness among users and improving resource utilization.

6.5.2 Feature Benefits Monitoring

Use either of the following methods to monitor the feature benefits:

Checking UE throughput Checking the difference between the downlink load of cells in a multi-carrier cell group

The related counters are as follows:

VS.HSDPA.MeanChThroughput

This counter measures the UE throughput.

VS.MeanTCP

This counter measures the cell load. If the value of this counter is large for cells in a multi-carrier cell group, the feature benefits decrease.

VS.MeanTCP.NonHS

This counter measures the downlink power resources consumed by non-HSDPA users. The larger the value of this counter, the less the feature benefits.

VS.MeanTCP.HSDPA.MC

This counter measures the downlink power resources consumed by DC-HSDPA, DB-HSDPA, and 4C-HSDPA users. The larger the value of this counter, the smaller the difference between the downlink load of cells in a multi-carrier cell group is.

Counters indicating the proportions of DC-HSDPA UEs in a cell VS.HSDPA.DC.PRIM.UE.Mean.Cell: Average number of DC-HSDPA UEs using this cell

as the primary cell

VS.HSDPA.DC.SEC.UE.Mean.Cell: Average number of DC-HSDPA UEs using this cell as the secondary cell

VS.HSDPA.UE.Mean.Cell: Average number of HSDPA UEs in a cell

6.6 Parameter Optimization

N/A

6.7 Troubleshooting

This feature affects the following alarms on the NodeB side:

ALM-28206 Local Cell Capability Decline

A new trigger condition is added for this alarm. When a cell in a multi-carrier cell group does not support the Flexible Dual Carrier HSDPA feature due to hardware limitations and the multi-




carrier cell group consists of more than two cells, this alarm is reported for all cells in the multi-carrier cell group.

To clear this alarm, you are advised to add new hardware resources by referring to section 6.3.3 Hardware Planning or deactivate the Flexible Dual Carrier HSDPA feature by referring to section 6.4.7 Deactivation.

ALM-26811 Configured Capacity Limit Exceeding Licensed Limit

A new trigger condition is added for this alarm. When a multi-carrier cell group consists of more than two cells and the license for the Flexible Dual Carrier HSDPA or DC-HSDPA feature is not activated, this alarm is reported.

To clear this alarm, you are advised to apply for the license for the Flexible Dual Carrier HSDPA or DC-HSDPA feature by referring to section 6.4.2 Requirements or deactivate the Flexible Dual Carrier HSDPA feature by referring to section 6.4.7 Deactivation.

7 Parameters

Table 7-1 Parameter description

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

TCell BSC6900

ADD UCELLSETUP

MOD UCELLSETUP

WRFD-010699

WRFD-151209

WRFD-022000

WRFD-

DC-HSDPA+MIMO

Macro-Micro DC-HSDPA

Physical Channel Management

4C-HSDPA

DB-HSD

Meaning: Difference between the System Frame Number (SFN) and NodeB Frame Number (BFN) of the NodeB which the cell belongs to. It is recommended that TCell of all intra-frequency neighboring cells under one NodeB should be unique. TCell of DC carrier group cells or MC carrier group cells must be the same. For detailed information of this parameter, see 3GPP TS 25.402.

GUI Value Range: CHIP0, CHIP256, CHIP512, CHIP768, CHIP1024, CHIP1280, CHIP1536, CHIP1792, CHIP2048, CHIP2304

Unit: chip

Actual Value Range: CHIP0, CHIP256, CHIP512, CHIP768, CHIP1024, CHIP1280, CHIP1536, CHIP1792, CHIP2048, CHIP2304

Default Value: None

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/mod-ucellsetup.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/add-ucellsetup.html










Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

150207

WRFD-150209

WRFD-150208

WRFD-150250

WRFD-150223

WRFD-010696

WRF

PA


3C-HSDPA

MC-HSDPA+MIMO

DC-HSDPA

DB-HSDPA+MIMO

Improved Downlink Coverage

Extended Cell Coverage up to 200km

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

D-150227

WRFD-021309

WRFD-021308

TCell BSC6910

ADD UCELLSETUP

MOD UCELLSETUP

WRFD-010699

WRFD-151209

WRFD-022000

WR

DC-HSDPA+MIMO



4C-HSDPA

Meaning: Difference between the System Frame Number (SFN) and NodeB Frame Number (BFN) of the NodeB which the cell belongs to. It is recommended that TCell of all intra-frequency neighboring cells under one NodeB should be unique. TCell of DC carrier group cells or MC carrier group cells must be the same. For detailed information of this parameter, see 3GPP TS 25.402.

GUI Value Range: CHIP0, CHIP256, CHIP512, CHIP768, CHIP1024, CHIP1280, CHIP1536, CHIP1792, CHIP2048, CHIP2304

Unit: chip

Actual Value Range: CHIP0, CHIP256, CHIP512, CHIP768, CHIP1024, CHIP1280, CHIP1536, CHIP1792, CHIP2048, CHIP2304

Default Value: None








Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

FD-150207

WRFD-150209

WRFD-150208

WRFD-150250

WRFD-150223

WRFD-010696

W

DB-HSDPA


3C-HSDPA

MC-HSDPA+MIMO

DC-HSDPA

DB-HSDPA+MIMO

Improved Downlink Coverage

Extended Cell Coverage up to 200k

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

RFD-150227

WRFD-021309

WRFD-021308

m

MULTICELLGRPID

BTS3900, BTS3900 WCDMA

ADD NODEBMULTICELLGRP

ADD NODEBMULTICELLGRPITEM

LST NODEBMULTICELLGRP

LST NODEBMULTICELLGRPI

None

None Meaning: Uniquely identifies a multiple carrier cell group.

GUI Value Range: 0~95

Unit: None

Actual Value Range: 0~95

Default Value: None

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_nodebmulticellgrpitem.html


http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_nodebmulticellgrp.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/add_nodebmulticellgrpitem.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/add_nodebmulticellgrp.html






Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

TEM

RMV NODEBMULTICELLGRP

RMV NODEBMULTICELLGRPITEM

MULTICELLGRPTYPE


ADD NODEBMULTICELLGRP

LST NODEBMULTICELLGRP

WRFD-010696

WRFD-140204

WRFD-150209

WRFD-150207

DC-HSDPA

DC-HSUPA

DB-HSDPA

4C-HSDPA

3C-HSDPA


MC-HSDPA+

Meaning: Specifies the type of a multiple carrier cell group.

GUI Value Range: HSDPA(HSDPA), HSUPA(HSUPA)

Unit: None

Actual Value Range: HSDPA, HSUPA

Default Value: HSDPA(HSDPA)










http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/rmv_nodebmulticellgrpitem.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/rmv_nodebmulticellgrp.html





Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

WRFD-150250

WRFD-150208

WRFD-150223

WRFD-150227

WRFD-010699

MIMO

DB-HSDPA+MIMO

DC-HSDPA+MIMO

SecCellLdbDrdChoice

BSC6900

ADD UCELLDRD

MOD UCELLDRD

WRFD-1502

4C-HSDPA

DB-HSDPA

Meaning: Network resource type when selecting the secondary carrier for multi-carrier HSDPA users based on the load. When this parameter is set to UserNumber, the secondary carrier is selected for multi-carrier HSDPA users based on the number of HSDPA users. When this parameter is set to Power, the secondary carrier is selected for multi-carrier HSDPA users based on the power.

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/mod-ucelldrd.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/add-ucelldrd.html






Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

07

WRFD-150209

WRFD-150208

WRFD-150250

WRFD-150223

WRFD-010696

WRFD-1502


3C-HSDPA

MC-HSDPA+MIMO

DC-HSDPA

DB-HSDPA+MIMO

GUI Value Range: USER_NUMBER, POWER

Unit: None

Actual Value Range: USER_NUMBER, POWER

Default Value: USER_NUMBER

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

27

SecCellLdbDrdChoice

BSC6910

ADD UCELLDRD

MOD UCELLDRD

WRFD-150207

WRFD-150209

WRFD-150208

WRFD-150250

WRFD-150223

WRFD-0106

4C-HSDPA

DB-HSDPA


3C-HSDPA

MC-HSDPA+MIMO

DC-HSDPA

DB-HSDPA+MIMO

Meaning: Network resource type when selecting the secondary carrier for multi-carrier HSDPA users based on the load. When this parameter is set to UserNumber, the secondary carrier is selected for multi-carrier HSDPA users based on the number of HSDPA users. When this parameter is set to Power, the secondary carrier is selected for multi-carrier HSDPA users based on the power.

GUI Value Range: USER_NUMBER, POWER

Unit: None

Actual Value Range: USER_NUMBER, POWER

Default Value: USER_NUMBER










Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

96

WRFD-150227

McHsdpaUserNumThd

BSC6900

ADD UCELLDYNSHUTDOWN

MOD UCELLDYNSHUTDOWN

WRFD-150207

WRFD-150209

WRFD-150208

WRFD-150250

WRFD-02

4C-HSDPA

DB-HSDPA


3C-HSDPA

Multi-Carrier Switch off Based on Traffic Load

DC-HSDPA

Multi

Meaning: Threshold for the number of multi-carrier HSDPA users in a cell. If the number of multi-carrier HSDPA users in a cell is not greater than the threshold, the RNC attempts to automatically close the cell.


Unit: None


Default Value: 2

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/mod-ucelldynshutdown.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/add-ucelldynshutdown.html






Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

0117

WRFD-010696

WRFD-020122

-Carrier Switch off Based on QoS

McHsdpaUserNumThd

BSC6910

ADD UCELLDYNSHUTDOWN

MOD UCELLDYNSHUTDOWN

WRFD-150207

WRFD-150209

WRFD-150208

WRFD-

4C-HSDPA

DB-HSDPA


3C-HSDPA

Multi-Carrier Switch off Based on

Meaning: Threshold for the number of multi-carrier HSDPA users in a cell. If the number of multi-carrier HSDPA users in a cell is not greater than the threshold, the RNC attempts to automatically close the cell.


Unit: None


Default Value: 2










Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

150250

WRFD-020117

WRFD-010696

WRFD-020122

Traffic Load

DC-HSDPA

Multi-Carrier Switch off Based on QoS

InterPlmnMultiCarrSwitch

BSC6900


WRFD-150209

WRFD-150250

WRF

DB-HSDPA

3C-HSDPA

4C-HSDPA

DC-HSDPA

Meaning: Whether to allow multi-carrier HSDPA users across different PLMNs. When this switch is set to ON, multi-carrier features such as DC-HSDPA, DB-HSDPA, 3C-HSDPA and 4C-HSDPA can be configured across different PLMNs.When this switch is set to OFF, multi-carrier HSDPA users are allowed only if the primary and secondary carriers belong to the same operator.

GUI Value Range: NO(NO), YES(YES)

Unit: None

Actual Value Range: NO, YES

Default Value: YES(YES)

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/set-uoperatorsharingmode.html






Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

D-150207

WRFD-010696

InterPlmnMultiCarrSwitch

BSC6910


WRFD-150209

WRFD-150250

WRFD-150207

WRFD-010696

DB-HSDPA

3C-HSDPA

4C-HSDPA

DC-HSDPA

Meaning: Whether to allow multi-carrier HSDPA users across different PLMNs. When this switch is set to ON, multi-carrier features such as DC-HSDPA, DB-HSDPA, 3C-HSDPA and 4C-HSDPA can be configured across different PLMNs.When this switch is set to OFF, multi-carrier HSDPA users are allowed only if the primary and secondary carriers belong to the same operator.

GUI Value Range: NO(NO), YES(YES)

Unit: None

Actual Value Range: NO, YES

Default Value: YES(YES)

RULE BT

SET NODE

Non

None Meaning: Indicates the BB Resource Allocate Rule. Handover Performance First Rule: The local cells of the same frequency are

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/set_nodebresallocrule.html


http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/para/NodeBResAllocRule-rule.html







Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

S3900, BTS3900 WCDMA

BRESALLOCRULE

LST NODEBRESALLOCRULE

e allocated to the same processing chip. Capacity First Rule: The local cells are allocated to different processing chips in order that processing chips are used averagely.

GUI Value Range: PERFFIRST(Handover Performance First Rule), CAPAFIRST(Capacity First Rule)

Unit: None

Actual Value Range: PERFFIRST, CAPAFIRST

Default Value: PERFFIRST(Handover Performance First Rule)

SW BTS3900, BTS3900 WCDMA

SET NODEBRESALLOCRULE

LST NODEBRESALLOCRULE

None

None Meaning: Indicates the automatic cell reestablishment switch. If this parameter is set to ON, this function takes effect.

GUI Value Range: ON(ON), OFF(OFF)

Unit: None

Actual Value Range: ON, OFF

Default Value: OFF(OFF)

DLBASEBANDEQMID


ADD ULOCELL

LST ULOCELL

MOD ULOCELL

None

None Meaning: Indicates the number of the downlink baseband equipment carrying baseband resources for the local cell. A local cell can be served by only one board in the downlink baseband equipment.


Unit: None


Default Value: 0

Hspa B ADD W DC- Meaning: This parameter is used to select a feature related to HSPA+. If

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/add-ucellalgoswitch.html


http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/mod_ulocell.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_ulocell.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/add_ulocell.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/para/ULoCell-dlBasebandEqmId.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_nodebresallocrule.html












Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

PlusSwitch

SC6900

UCELLALGOSWITCH

MOD UCELLALGOSWITCH

RFD-010699

WRFD-010698

WRFD-010401

WRFD-010504

WRFD-010693

WRFD-010695

W

HSDPA+MIMO

HSPA+ Uplink 11.5Mbit/s per User

System Information Broadcasting

Background QoS Class

DL 64QAM+MIMO

UL Layer 2 Improvement

UL 16QAM

E-

a feature is selected, it indicates that the corresponding algorithm is enabled. If a feature is not selected, it indicates that the corresponding algorithm is disabled. Note that other factors such as license and the physical capability of NodeB restrict whether a feature can be used even if this feature is selected. The EFACH/MIMO switch determines whether the cell supports the E-FACH/MIMO feature but does not affect the establishment of the E-FACH and the MIMO cell. 1. 64QAM: When the switch is on, 64QAM can be configured for the HSDPA service. 2. MIMO: When the switch is on, MIMO can be configured for the HSDPA service.The MIMO switch determines whether the cell supports the MIMO feature but does not affect the establishment of the the MIMO cell. 3. E_FACH: When the switch is on, E_FACH can be configured for the HSDPA service.The E_FACH switch determines whether the cell supports the E_FACH feature but does not affect the establishment of the the MIMO cell. 4. DTX_DRX: When the switch is on, DTX_DRX can be configured for the HSPA service. 5. HS_SCCH_LESS_OPERATION: When the switch is on, HS-SCCH Less Operation can be configured for the HSPA service. 6. DL_L2ENHANCED: When the switch is on, DL_L2ENHANCED can be configured for the HSDPA service. 7. 64QAM_MIMO: When the switch is on and the switches for 64QAM and MIMO are on, 64QAM+MIMO can be configured for the HSDPA service 8. UL_16QAM: When the switch is on, 16QAM can be configured for the HSUPA service. 9. DC_HSDPA: When the switch is on, DC can be configured for the HSDPA service. 10. UL_L2ENHANCED: When the switch is on, UL_L2ENHANCED can be configured for the HSUPA service. 11. EDPCCH_BOOSTING: When the switch is on, Boosting can be configured for the HSUPA service. 12. DCMIMO_HSDPA: When this switch is turned on, DC+MIMO can be configured for the HSDPA service. 13. E_DRX: When the switch is on, E_DRX can be configured for the HSUPA service. 14. DC_HSUPA: When this switch is turned on, the DC-HSUPA function can be enabled for HSUPA services. 15. HSDPA_4C_MIMO: Whether the MC-HSDPA+MIMO feature is allowed for HSDPA services. When this switch is turned on, the MC-HSDPA+MIMO (3C-HSDPA+MIMO and 4C-HSDPA+MIMO) feature is allowed for HSDPA services. 16. HSDPA_4C: Whether the 3C-HSDPA or 4C-HSDPA feature is allowed for HSDPA services. When this switch is turned on, the 3C-HSDPA or 4C-HSDPA feature is allowed for HSDPA services. 17. DBMIMO_HSDPA: Whether the DB-HSDPA+MIMO feature is allowed for HSDPA services. When this switch is turned on, the DB-HSDPA+MIMO feature is allowed for HSDPA services. 18. DB_HSDPA: Whether the DB-HSDPA feature is allowed for HSDPA services. When this switch is turned on, the DB-HSDPA feature is allowed for HSDPA services.

GUI Value Range: 64QAM(Cell 64QAM Function Switch), MIMO(Cell MIMO Function Switch), E_FACH(Cell E_FACH Function Switch), DTX_DRX(Cell DTX_DRX Function Switch), HS_SCCH_LESS_OPERATION(Cell HS_SCCH LESS OPERATION Function Switch), DL_L2ENHANCED(Cell DL L2ENHANCED Function

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/MML/mbsc/m-mml/mod-ucellalgoswitch.html







Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

RFD-010694

WRFD-010697

WRFD-010696

WRFD-010501

WRFD-01061501

WRFD-150250

DPCCH Boosting

DC-HSDPA

Conversational QoS Class

Combination of Two PS Services

3C-HSDPA

Interactive and Background Traffic Class on HSDPA

Interactive and Back

Switch), 64QAM_MIMO(Cell 64QAM+MIMO Function Switch), UL_16QAM(Cell UL 16QAM Function Switch), DC_HSDPA(Cell DC-HSDPA Function Switch), UL_L2ENHANCED(Cell UL L2ENHANCED Function Switch), EDPCCH_BOOSTING(Cell E-DPCCH Boosting Function Switch), DCMIMO_HSDPA(Cell DC-HSDPA Combined with MIMO Function Switch), E_DRX(Enhanced Discontinuous Reception Function Switch), DC_HSUPA(Cell DC-HSUPA Function Switch), HSDPA_4C_MIMO(4C-HSDPA+MIMO Function Switch), HSDPA_4C(4C-HSDPA Function Switch), DBMIMO_HSDPA(DB-HSDPA+MIMO Function Switch), DB_HSDPA(DB-HSDPA Function Switch)

Unit: None

Actual Value Range: 64QAM, MIMO, E_FACH, DTX_DRX, HS_SCCH_LESS_OPERATION, DL_L2ENHANCED, 64QAM_MIMO, UL_16QAM, DC_HSDPA, UL_L2ENHANCED, EDPCCH_BOOSTING, DCMIMO_HSDPA, E_DRX, DC_HSUPA, HSDPA_4C_MIMO, HSDPA_4C, DBMIMO_HSDPA, DB_HSDPA

Default Value: 64QAM:0,MIMO:0,E_FACH:0,DTX_DRX:0,HS_SCCH_LESS_OPERATION:0,DL_L2ENHANCED:0,64QAM_MIMO:0,UL_16QAM:0,DC_HSDPA:0,UL_L2ENHANCED:0,EDPCCH_BOOSTING:0,DCMIMO_HSDPA:0,E_DRX:0,DC_HSUPA:0,HSDPA_4C_MIMO:0,HSDPA_4C:0,DBMIMO_HSDPA:0,DB_HSDPA:0

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

WRFD-01061008

WRFD-01061206

WRFD-140204

WRFD-01060901

WRFD-01060903

WRF

ground Traffic Class on HSUPA

DC-HSUPA

Combination of Two CS Services (Except for Two AMR Speech Services)

Combination of Two CS Services and One PS Service (Except for Two AMR

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

D-01060902

WRFD-010702

WRFD-010701

WRFD-010609

WRFD-010510

WRFD-010688

W

Speech Services)

Combination of One CS Service and One PS Service

Enhanced DRX

Uplink Enhanced CELL_FACH

Multiple RAB Introduction Package (PS RAB < 2)

3.4/6.8/13.6/27.2Kbps

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

RFD-010686

WRFD-010687

WRFD-010684

WRFD-010685

WRFD-010683

WRFD-021000

RRC Connection and Radio Access Bearer Establishment and Release

Downlink Enhanced CELL_FACH

CPC - DTX / DRX

CPC - HS-SCCH less operation

2x2 MIMO

Downlink Enha

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

WRFD-151209

WRFD-010503

WRFD-01061502

WRFD-01061503

WRFD-010502

WRFD-01

nced L2

Downlink 64QAM

Transport Channel Management


Interactive QoS Class

Combination of One CS Service and Two PS Services

Combination of

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

061504

WRFD-01061505

WRFD-022000

WRFD-150207

WRFD-150227

WRFD-150208

WR

Three PS Services

Streaming QoS Class

Combination of One CS Service and Three PS Services

Combination of Four PS Services


4C-HSDPA

DB-HSDPA+

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

FD-150223

WRFD-020900

WRFD-150209

WRFD-010615

WRFD-010632

WRFD-010630

MIMO


MC-HSDPA+MIMO

Logical Channel Management

DB-HSDPA

Multiple RAB Package(PS RAB >= 2)

Streaming Traffic Class on HSU

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

PA

Streaming Traffic Class on HSDPA

HspaPlusSwitch

BSC6910

ADD UCELLALGOSWITCH

MOD UCELLALGOSWITCH

WRFD-010699

WRFD-010698

WRFD-010401

WRFD-010504

WRFD-

DC-HSDPA+MIMO

HSPA+ Uplink 11.5Mbit/s per User

System Information Broadcasting

Background QoS Class

DL 64QAM+MIMO

Meaning: This parameter is used to select a feature related to HSPA+. If a feature is selected, it indicates that the corresponding algorithm is enabled. If a feature is not selected, it indicates that the corresponding algorithm is disabled. Note that other factors such as license and the physical capability of NodeB restrict whether a feature can be used even if this feature is selected. The EFACH/MIMO switch determines whether the cell supports the E-FACH/MIMO feature but does not affect the establishment of the E-FACH and the MIMO cell. 1. 64QAM: When the switch is on, 64QAM can be configured for the HSDPA service. 2. MIMO: When the switch is on, MIMO can be configured for the HSDPA service.The MIMO switch determines whether the cell supports the MIMO feature but does not affect the establishment of the the MIMO cell. 3. E_FACH: When the switch is on, E_FACH can be configured for the HSDPA service.The E_FACH switch determines whether the cell supports the E_FACH feature but does not affect the establishment of the the MIMO cell. 4. DTX_DRX: When the switch is on, DTX_DRX can be configured for the HSPA service. 5. HS_SCCH_LESS_OPERATION: When the switch is on, HS-SCCH Less Operation can be configured for the HSPA service. 6. DL_L2ENHANCED: When the switch is on, DL_L2ENHANCED can be configured for the HSDPA service. 7. 64QAM_MIMO: When the switch is on and the switches for 64QAM and MIMO are on, 64QAM+MIMO can be configured for the HSDPA service 8. UL_16QAM: When the switch is on, 16QAM can be configured for the HSUPA service. 9. DC_HSDPA: When the switch is on, DC can be configured for the HSDPA service. 10. UL_L2ENHANCED: When the switch is on, UL_L2ENHANCED can be configured for the HSUPA service. 11. EDPCCH_BOOSTING: When the switch is on, Boosting can be configured for the HSUPA service. 12. DCMIMO_HSDPA: When this switch is turned on, DC+MIMO can be configured for the HSDPA service. 13. E_DRX: When the switch is on, E_DRX can be configured for the HSUPA service. 14. DC_HSUPA: When this switch is turned on, the DC-HSUPA function can be enabled for HSUPA services. 15. HSDPA_4C_MIMO: Whether the MC-HSDPA+MIMO feature is allowed for HSDPA services. When this switch is turned on, the MC-HSDPA+MIMO (3C-HSDPA+MIMO and 4C-HSDPA+MIMO) feature is allowed for HSDPA services. 16. HSDPA_4C: Whether the 3C-HSDPA or 4C-HSDPA feature is allowed for HSDPA services. When this switch










Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

010693

WRFD-010695

WRFD-010694

WRFD-010697

WRFD-010696

WRFD-010501

WRF

UL Layer 2 Improvement

UL 16QAM

E-DPCCH Boosting

DC-HSDPA

Conversational QoS Class

Combination of Two PS Services

3C-HSDPA

Interactive and Backgrou

is turned on, the 3C-HSDPA or 4C-HSDPA feature is allowed for HSDPA services. 17. DBMIMO_HSDPA: Whether the DB-HSDPA+MIMO feature is allowed for HSDPA services. When this switch is turned on, the DB-HSDPA+MIMO feature is allowed for HSDPA services. 18. DB_HSDPA: Whether the DB-HSDPA feature is allowed for HSDPA services. When this switch is turned on, the DB-HSDPA feature is allowed for HSDPA services.

GUI Value Range: 64QAM(Cell 64QAM Function Switch), MIMO(Cell MIMO Function Switch), E_FACH(Cell E_FACH Function Switch), DTX_DRX(Cell DTX_DRX Function Switch), HS_SCCH_LESS_OPERATION(Cell HS_SCCH LESS OPERATION Function Switch), DL_L2ENHANCED(Cell DL L2ENHANCED Function Switch), 64QAM_MIMO(Cell 64QAM+MIMO Function Switch), UL_16QAM(Cell UL 16QAM Function Switch), DC_HSDPA(Cell DC-HSDPA Function Switch), UL_L2ENHANCED(Cell UL L2ENHANCED Function Switch), EDPCCH_BOOSTING(Cell E-DPCCH Boosting Function Switch), DCMIMO_HSDPA(Cell DC-HSDPA Combined with MIMO Function Switch), E_DRX(Enhanced Discontinuous Reception Function Switch), DC_HSUPA(Cell DC-HSUPA Function Switch), HSDPA_4C_MIMO(4C-HSDPA+MIMO Function Switch), HSDPA_4C(4C-HSDPA Function Switch), DBMIMO_HSDPA(DB-HSDPA+MIMO Function Switch), DB_HSDPA(DB-HSDPA Function Switch)

Unit: None

Actual Value Range: 64QAM, MIMO, E_FACH, DTX_DRX, HS_SCCH_LESS_OPERATION, DL_L2ENHANCED, 64QAM_MIMO, UL_16QAM, DC_HSDPA, UL_L2ENHANCED, EDPCCH_BOOSTING, DCMIMO_HSDPA, E_DRX, DC_HSUPA, HSDPA_4C_MIMO, HSDPA_4C, DBMIMO_HSDPA, DB_HSDPA

Default Value: 64QAM:0,MIMO:0,E_FACH:0,DTX_DRX:0,HS_SCCH_LESS_OPERATION:0,DL_L2ENHANCED:0,64QAM_MIMO:0,UL_16QAM:0,DC_HSDPA:0,UL_L2ENHANCED:0,EDPCCH_BOOSTING:0,DCMIMO_HSDPA:0,E_DRX:0,DC_HSUPA:0,HSDPA_4C_MIMO:0,HSDPA_4C:0,DBMIMO_HSDPA:0,DB_HSDPA:0

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

D-01061501

WRFD-150250

WRFD-01061008

WRFD-01061206

WRFD-140204

WRFD-010609

nd Traffic Class on HSDPA

Interactive and Background Traffic Class on HSUPA

DC-HSUPA

Combination of Two CS Services (Except for Two AMR Speech Services)

Combination of Two

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

01

WRFD-01060903

WRFD-01060902

WRFD-010702

WRFD-010701

WRFD-010609

WRF

CS Services and One PS Service (Except for Two AMR Speech Services)

Combination of One CS Service and One PS Service

Enhanced DRX

Uplink Enhanced CELL_FACH

Multiple RAB Intro

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

D-010510

WRFD-010688

WRFD-010686

WRFD-010687

WRFD-010684

WRFD-010685

WR

duction Package (PS RAB < 2)

3.4/6.8/13.6/27.2Kbps RRC Connection and Radio Access Bearer Establishment and Release

Downlink Enhanced CELL_FACH

CPC - DTX / DRX

CPC - HS-

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

FD-010683

WRFD-021000

WRFD-151209

WRFD-010503

WRFD-01061502

WRFD-01061503

SCCH less operation

2x2 MIMO

Downlink Enhanced L2

Downlink 64QAM

Transport Channel Management


Interactive QoS Class

Combinati

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

WRFD-010502

WRFD-01061504

WRFD-01061505

WRFD-022000

WRFD-150207

WRFD-15

on of One CS Service and Two PS Services

Combination of Three PS Services

Streaming QoS Class

Combination of One CS Service and Three PS Services

Combination of Four PS Services

Phys

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

0227

WRFD-150208

WRFD-150223

WRFD-020900

WRFD-150209

WRFD-010615

WRFD-

ical Channel Management

4C-HSDPA

DB-HSDPA+MIMO


MC-HSDPA+MIMO

Logical Channel Management

DB-HSDPA

Multiple RAB

Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

010632

WRFD-010630

Package(PS RAB >= 2)

Streaming Traffic Class on HSUPA

Streaming Traffic Class on HSDPA

ULOCELLID


ADD ULOCELL

ADD ULOCELLBBUNIT

BLK ULOCELL

DSP ULOCELL

DSP ULOCELLDESENS

DSP

None

None Meaning: Indicates the Local Cell ID. The local cell ID is unique for one NodeB.


Unit: None


Default Value: None

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/dsp_ulocellres.html

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/dsp_ulocelldesens.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/dsp_ulocell.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/blk_ulocell.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/add_ulocellbbunit.html









Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

ULOCELLRES

LST ULOCELL

LST ULOCELLBBUNIT

LST ULOCELLPRI

LST ULOCELLTL

MOD ULOCELL

RMV ULOCELL

RMV ULOCELLBBUNIT

SET ULOCELLDESENS

SET ULOCELLPRI

SET

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/set_ulocelltl.html

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/set_ulocellpri.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/set_ulocelldesens.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/rmv_ulocellbbunit.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/rmv_ulocell.html






http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_ulocelltl.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_ulocellpri.html



http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/lst_ulocellbbunit.html








Parameter

ID

NE

MML Comm

and

Feature ID

Feature

Name

Description

ULOCELLTL

UBL ULOCELL

8 Counters

Table 8-1 Counter description

Counter ID

Counter Name Counter Description

NE Feature ID

Feature Name

50332170 VS.DataOutput.DCHSDPA.Traffic MAC-ehs traffic volume of DC-HSDPA/DC-HSDPA+MIMO users

NodeB Multi-mode: None

GSM: None

UMTS: WRFD-150208

WRFD-010699

LTE: None


DC-HSDPA+MIMO

73425890 VS.HSDPA.MC.SEC.UE.Mean.Cell

Average Number of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs Using This Cell as the Secondary Carrier Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/BSC6900/Counter/mbsc/m-perf/Mt-29215.html

http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Counter/ratU/nodeb/b-nodeb-perf/Mt-50332170.html


http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/EN/UMTS/NodeB/Para/ratU/mml/ubl_ulocell.html





Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425896 VS.HSDPA.MC.MeanRequiredPwr Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425901 VS.HSDPA.MC.MaxRequiredPwr Maximum Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425903 VS.HSDPA.MC.MinRequiredPwr Minimum Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425905 VS.MeanTCP.HSDPA.MC Average DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425910 VS.MaxTCP.HSDPA.MC Maximum DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425912 VS.MinTCP.HSDPA.MC Minimum DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6900 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425890 VS.HSDPA.MC.SEC.UE.Mean.Cell

Average Number of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs Using This Cell as the Secondary Carrier Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425896 VS.HSDPA.MC.MeanRequiredPwr Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425901 VS.HSDPA.MC.MaxRequiredPwr Maximum Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425903 VS.HSDPA.MC.MinRequiredPwr Minimum Power Required by 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425905 VS.MeanTCP.HSDPA.MC Average DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

73425910 VS.MaxTCP.HSDPA.MC Maximum DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-



Counter ID


NE Feature ID

Feature Name

WRFD-010699

WRFD-150227

WRFD-150223

HSDPA+MIMO

MC-HSDPA+MIMO

73425912 VS.MinTCP.HSDPA.MC Minimum DL Transmit Power of 4C-HSDPA/DB-HSDPA/DC-HSDPA UEs for Cell

BSC6910 WRFD-150250

WRFD-150207

WRFD-150209

WRFD-010696

WRFD-150208

WRFD-010699

WRFD-150227

WRFD-150223

3C-HSDPA

4C-HSDPA

DB-HSDPA

DC-HSDPA


DC-HSDPA+MIMO

DB-HSDPA+MIMO

MC-HSDPA+MIMO

9 Glossary

For the acronyms, abbreviations, terms, and definitions, see Glossary.

10 Reference Documents

1. DC-HSDPA Feature Parameter Description 2. Call Admission Control Feature Parameter Description

3. Directed Retry Decision Feature Parameter Description

4. Load Control Feature Parameter Description

5. Overload Control Feature Parameter Description

6. Green BTS Feature Parameter Description








http://localhost:7890/pages/GED0305H/06/GED0305H/06/resources/en-us_topic_0005702741.html



7. HSDPA Feature Parameter Description

8. License Management Feature Parameter Description

