SHARING - vde-itg-kommunikationsnetze.de€¦ · before post-LTE systems will be deployed Our conviction is that there is still an important room for improvements for LTE-A systems

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SHARING

Self-organized Heterogeneous Advanced RadIo Networks Generation

Orange led Project (Spring Call 2012-1)

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Outline SHARING

• Context and drivers

• Challenges

• The Celtic+ project SHARING

• Background and position with respect to 3GPP

• SHARING vision beyond LTE-A

• SHARING solutions

• Project structure

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Context and drivers Traffic demand and services

SHARING

•  ICT industry is recognized as one major driver for economic recovery and sustainability

• BUT… wireless & mobile systems are increasingly challenged

Representative Western European Country

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2010 2015 2020

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Low end phonesMid-range smartphonesHigh-end smartphonesDonglesConnected devicesM2M

Monthly traffic per Device (Western Europe)

Source: IDATE

•  Increase in variety of services/applications with diverse QoS requirements

• Rise of the Machine-to-Machine (M2M) services/applications relying on Device-To-Device (D2D) communications

•  paving the way to a pervasive Internet of Things

•  Increase in global traffic demand •  Customer behavior changes linked to social networks and multimedia

services •  resulting in “always-on” services/applications

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Context and drivers Power and cost efficiency

SHARING

•  High power consumption •  ICT industry has its share in reducing the power consumption and developing a sustainable and green

industry (energy costs can account for 20-35 % of OPEX!) •  Proposed solutions such as network densification, new hardware (e.g. power amplifiers) should be

carefully designed with a power-efficient perspective

Traffic – Revenue decoupling in Mobile Broadband Market

•  High deployment and operational costs (CAPEX and OPEX) •  substantial loss of profit due to the decoupling of traffic and revenues

•  flat prices •  need to upgrade the network to meet the increased traffic demand)

•  competitive advantage in every bit of OPEX and CAPEX reduction

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Challenges SHARING

Decrease costs (CAPEX/OPEX) •  Decreasing revenues vs. increasing needs for additional sites and bandwidth

Significant capacity increase •  need more capacity in urban areas (driven by video applications) •  HetNet solutions → interference management

Customer satisfaction through high QoS for all services/applications with diverse requirements

•  QoS in multi-layer and multi-RAT environments (including Wi-Fi)

Increase spectrum efficiency

Increase energy efficiency •  Radio Frequency (RF) front ends, Power Amplifiers (PAs) for macro cells •  ON-OFF / sleep modes for small cells

Efficient solutions to fragmented spectrum •  Manage multiple frequency bands (licensed, unlicensed) •  SDL (Supplementary Downlink) and Carrier Aggregation (CA) schemes

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Celtic+ project SHARING Self-organized Heterogeneous Advanced RadIo Networks Generation

§  Project lead: Orange

§  15 partners from 4 countries

§  Effort ~ 95 person-years

§  Duration 39 months (Dec 2012 -Feb 2016)

§  Cost ~ 13 M€

SHARING

2 Network Operators

3 Manufacturers

6 SMEs

2 Universities

2 Research Institutes

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Background and positioning with respect to 3GPP

•  Builds upon previous FP7 projects that ran in parallel with 3GPP LTE-A Rel-10 and Rel-11

•  ARTIST4G: Advanced Radio Interface Technologies for 4G Systems •  BeFemto: Broadband Evolved Femto Networks

Operators need to achieve a satisfactory return on investment before post-LTE systems will be

deployed

Our conviction is that there is still an important room for

improvements for LTE-A systems

SHARING

ARTIST4G - BeFemto SHARING

3GPP Rel-11 3GPP Rel-12 3GPP Rel-13 and beyond …

•  SHARING innovations are based on 3GPP Rel-12 •  Target contributions to 3GPP Rel-13 (and beyond) to LTE-Advanced

evolutions through pre-standardization consensus building

3GPP Rel-10

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SHARING vision beyond LTE-A SHARING

HetNets → capacity increase •  Densification through different cell sizes (macro, micro, pico, femto, WiFi APs) •  Different access technologies

•  cellular (2G, 3G, 4G) → intra-RAT offloading •  WiFi → inter-RAT offloading

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SHARING SHARING vision beyond LTE-A

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Device-to-Device communications → coverage and capacity enhancement

Relays → coverage and capacity enhancement

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Flexible interference management → increase spectral efficiency •  Multi-node, multi-antenna cooperation schemes (CoMP, MU-MIMO) and

the accompanying architectural evolution •  Enhanced interference mitigation (interference alignment, MUD) •  Advanced receivers (iterative demodulation-decoding, SIC) •  Carrier aggregation → solution to fragmented spectrum

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CoMP

Op(cal network for BBU-‐RRH and BBU hosteling

Advanced receivers

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Flexible interference management → increase spectral efficiency •  Multi-node, multi-antenna cooperation schemes (CoMP, MU-MIMO) and

the accompanying architectural evolution •  Enhanced interference mitigation (interference alignment, MUD) •  Advanced receivers (iterative demodulation-decoding, SIC) •  Carrier aggregation → solution to fragmented spectrum

Self-optimization → decrease costs (OPEX/CAPEX) •  automated inter- and intra-RAT traffic steering (offloading) •  dynamic spectrum allocation •  energy efficiency

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Advanced receivers

CoMP SON

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SHARING solutions SHARING

SHARING objec(ves

SON and advanced

coopera(on

Intra-‐technology offloading

Inter-‐technology offloading

Flexible interference management

Relaying and D2D

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Project structure SHARING

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SHARING

Many thanks to A. Ortega (project coordinator), F. Pujol (WP2 leader), Y. Fernandez (WP3 leader), K. Hiltunen (WP4 leader), M. Bennis and M. Khanfouci (task leaders) for their contributions

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Technical insight

SHARING

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WP2 Technical orientations, dissemination and standardization

§  Main objectives §  Anticipate new usage scenarios and extract the requirements on radio-access technologies and

deployment strategies

§  Define the evaluation methodology, the set of deployment scenarios, ensure a common understanding of metrics and KPIs (Key Performance Indicators) and the alignment of the evaluation of the different technical solutions so that they can be compared

§  Quantify the project objectives in relation to the specified metrics

§  Foster results, clearly demonstrating the project achievements with respect to the objectives

§  Monitor activities in relation with standardization and coordinate standardization contributions for an efficient impact on standardization

SHARING

Technical orientations, dissemination and

standardization WP2

Scenarios, KPIs and evaluation

methodology Task 2.1

Global project results Task 2.2

Standardization and

dissemination Task 2.3

Market study

Task 2.4

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Flexible air interface

WP3

Multi-point cooperation at the transmitter

Task 3.1

Interference cancellation at the

receiver and advanced transceivers

Task 3.2

Flexible interference management concept

Task 3.3

RF and antenna design

Task 3.4

WP3 Flexible air interface SHARING

§  Main objectives §  Improve performance and capacity gains in near-future wireless networks.

§  Increase spectral efficiency.

§  Multi-band exploitation through carrier aggregation.

§  Proposed technical solutions §  Transmitter-side cooperative solutions (CoMP, advanced MIMO schemes).

§  Interference mitigation mechanisms at the receiver.

§  Enhanced spatial modulation schemes.

§  Different interference management techniques (IA, ICIC, etc).

§  A realistic simulation framework using ray-based propagation modeling.

§  Reconfigurable RF front-end and antenna to implement carrier aggregation.

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Resources Optimisation for Heterogeneous

Networks WP4

Intra-system radio access offloading

Task 4.1

Inter-system radio access offloading

Task 4.2

SON/RRM energy saving mechanisms

Task 4.3

SON/RRM Spectrum resource allocation

Task 4.4

WP4 Resources Optimisation for Heterogeneous Networks SHARING

§  Main objectives

§  Identify new opportunities and challenges offered by small cells (pico and femto cells)

§ Propose innovative mechanisms for energy saving within cellular networks

§ Conduct pre-standardization research for the convergence of LTE and other RATs

§  Proposed technical solutions § SON-based tuning of network parameters, traffic offloading, dual-connectivity, combined cell

§ Convergence of LTE and WiFi

§ Mechanisms to switch small cells on and off, and enhancements in power amplifiers

§ Advanced management of spectrum resources

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WP5 Advanced relaying and D2D solutions SHARING

§  Main objectives §  Capacity optimization, quality of service and energy efficiency through the use of new

topologies and technologies, namely advanced relaying techniques and device-to-device communications.

§  Proposed technical solutions §  Relay-aided networks and network coding on specific scenarios such as moving relays and

multi-hop relays, taking into account practical issues such as the potential instability of the network in the case of moving relays.

§  Network-controlled Device-to-Device (D2D) communications for direct communication between two UEs or for multi-hop communications (the multi-hop D2D scenario benefiting from the innovations proposed for relays, and vice versa).

§  Theoretical performance boundaries for relay-aided network scenarios.

Advanced relaying

WP5

Advanced Relaying Techniques

Task 5.1

Device-to-Device Communication

Task 5.2

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WP6 Architecture and enablers SHARING

§  Main objectives §  Evaluate the impact that innovations stemming from other work packages produce on RAN

architecture, i.e., if the current network architecture is capable of supporting them, and with what accompanying conditions.

§  Proposed technical solutions §  Architectural implications derived from the innovations related to Device to Device (D2D)

communications and Machine Type Communications (MTC), as well as WiFi-LTE Hetnet solutions.

§  Feedback to other WPs on Cloud RAN and RAN Heterogeneous Network architectures, §  Feedback to other WPs on the feasibility of their proposed innovations. §  A generic functional architecture for geo-location purposes.

Architecture and enablers

WP6

HetNets, D2D and MTC architecture innovations

Task 6.1

Localization architecture

Task 6.2

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WP7 Proof of concepts SHARING

§  Demonstrations, platforms and field trials

§  Advanced PHY and Cooperative Multipoint (CoMP) §  Carrier aggregation antenna and RF frontend

§  Cellular and Wi-Fi Integration of TTNET, broadband internet service provider, and AVEA, mobile cellular network provider, test-bed infrastructures

§  OpenAirInterface.org Testbeds for Advanced Relaying and D2D

Proof of concepts

WP7

Selection of use cases and concepts for test-

beds Task 7.1

Key Building blocks development

Task 7.2

Integration

Task 7.3

Validation

Task 7.4

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SHARING

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SHARING vision beyond LTE-A: scope SHARING

CoMP

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SHARING vision beyond LTE-A: overview SHARING

Self-optimization → decrease costs (OPEX/CAPEX) •  inter- and intra-RAT offloading •  spectrum resource allocation •  energy efficiency





Flexible interference management → increase spectral efficiency

•  Multi-node, multi-antenna cooperation schemes (CoMP, MU-MIMO) and the accompanying architectural evolution

•  Enhanced interference mitigation (interference alignment, MUD) •  Advanced receivers (iterative demodulation-decoding, SIC) •  Carrier aggregation → solution to fragmented spectrum

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Small cells

Relay

D2D WIFI-‐LTE

Macro cell


Moving relay

SHARING

SMART4G – June 27th 2012

SHARING vision beyond LTE-A: scope

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SHARING objectives SHARING

SHARING will take-up the following challenges: •  Quality anywhere, anytime for heterogeneous services with heterogeneous requirements •  Capacity/energy enhancement in the context of mobile data traffic explosion • Cost/energy efficient network operation under these quality and capacity

requirements

SHARING will address new concepts with a special focus on: •  Advanced transceivers concepts including flexible interference management, traffic offloading, dynamic TDD, etc, • Deployment of cost/power efficient small cells and LTE-WiFi convergence • Next Generation HetNet SON Architecture •  Moving and meshed relay assisted networks •  Network coordinated device to device communications

SHARING will improve user experience of LTE-A systems by enhancing:

•  Fairness and flexibility in HetNets •  Friendly co-existence of Multi-Layer and Multi-RAT HetNets •  Spectral efficiency for the benefit of the less favored users •  Flexible Uplink-Downlink TDD operation •  Mobility

Documents

SHARING - vde-itg-kommunikationsnetze.de€¦ · before post-LTE systems will be deployed Our conviction is that there is still an important room for improvements for LTE-A systems