Presentation in SG1 RRM LCS

7/31/2019 Presentation in SG1 RRM LCS

1/24

RNC

UE

RRC

(4) Traffic Volume Measurements

(1) Intra Frequency Measurements

(2) Inter Frequency Measurements

(3) Inter RAT Measurements

(6) UE Internal Measurements

(5) Quality Measurements

(7) UE Positioning Measurements

Activated measurements

measurement objects,measurement quantity,filtering coefficient,active events,

triggering criteria

Measurement Control or SIB 11|12

( setup/modify: measurement id,measurement configuration,release: measurement id)

CELL_DCH

Measurement Types and Configuration

Fig.

27Measuremen

ttypesan

dc

on

figura

tionop

tions.

(TM320

1Ra

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Measurements and Reporting Trigger

RNC

UE

WCDMA

frequency measurements,quality measurements,UE internal measurments,UE positioning measurments

RLC/MAC traffic volume measurements

RRC

periodical measurements

Measurments filtering

reportingcriterion for activeevent fullfilled ?

Yes Measurement Report

(filtered measurements, triggered event)

Fig.

28Even

tdrivenreport

ing.

(TM3201Ra

dioResource

Con

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Measurement Types and Measurement Quantities

1) Intra Frequency Measurements 1) DL Ec/No2) DL Pathloss

3) DL RSCP (after despreading)

2) Inter Frequency Measurements 1) DL Ec/No2) DL Pathloss3) DL RSCP (after despreading)

3) Inter RAT Measurements 1) GSM carrier RSSI

4) Traffic Volume Measurements 1) Buffer occupancy2) Average buffer occupancy3) Variance of buffer occupancy

5) Quality Measurements 1) DL block error rate (BLER) per TrCH

6) UE Internal Measurements 1) UE Tx power

2) UE received signal power (RSSI)3) UE Rx-Tx time difference

7) UE Positioning Measurements 1) SFN-SFN observed time difference2) Rx-Tx time difference (optional)3) GPS timing of cell frames (optional)

Fig. 29 Measurement types and relevant measurement quantities. (TM3201 Radio Resource Control Protocol RRC, 61)


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Intra Frequency Reporting Events - Overview

1A

1B

1C

1D

1E

1F

A P-CPICH enters the reporting range.

A P-CPICH leaves the reporting range.

A non-active P-CPICH becomes betterthan an active P-CPICH.

Change of the best cell.

A P-CPICH becomes better than anabsolute threshold.

A P-CPICH becomes worse than anabsolute threshold.

add new radio link

drop weak radio link

replace old RLby new RL

Event ID Event Description Notes

Fig. 30 Overview about intra frequency reporting events. (TM3201 Radio Resource Control Protocol RRC, 63)


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Intra Frequency Reporting Event 1A

AS-cell 1

AS-cell 2

RSCP orEc/No W=0

R1a

H1a/2

time

CIO3

cell3

)2/(Log10)1(Log10Log 111

aaBest

N

i

iNewNew HRMWMWCIOMA

1A trigger(not for pathloss)

)2/(Log10)1(Log10Log 111

aaBest

N

i

iNewNew HRMWMWCIOMA

leaving trigger(not for pathloss)

trigger 1A reportadd cell to Triggered_1A_Event trigger 1A reportadd cell to Triggered_1A_Eventremove cell fromTriggered_1A_Event

time to trigger time to trigger

Fig.

31Triggeran

dleav

ing

trigge

rcri

teria

forreport

ingeven

t1

A.

(TM3201Ra

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Con

tro

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Intra Frequency Reporting Event 1B

)2/(Log10)1(Log10Log 111

bbBest

N

i

iOldOld HRMWMWCIOMA

1B trigger(not for pathloss)

)2/(Log10)1(Log10Log 111

bbBest

N

i

iOldOld HRMWMWCIOMA

leaving trigger(not for pathloss)

AS-cell 1

AS-cell 2

RSCP orEc/No W=0

R1b

H1b/2

time

CIO3

AS-cell3

trigger 1B event reportadd cell to Triggered_1B_Event

trigger 1B reportadd cell to Triggered_1B_Event

remove cell fromTriggered_1B_Event

time to trigger time to

trigger

Fig.

32Triggeran

dleav

ing

trigge

rcri

teria

forreport

ingeven

t1

B.

(TM3201Ra

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Intra Frequency Reporting Event 1C

2/Log10Log10 1cInASInASNewNew HCIOMCIOM 1C trigger(not for pathloss)

2/Log10Log10 1cInASInASNewNew HCIOMCIOM leaving trigger(not for pathloss)

InAS is cell in active set with lowest measurement.

AS-cell 1

AS-cell 2

RSCP orEc/No

H1c/2

time

CIO2

non AScell3

trigger 1C event reportadd cell to Triggered_1C_Event

trigger 1C reportadd cell to Triggered_1C_Event

remove cell fromTriggered_1C_Event

CIO1

H1c/2

CIO3

time to triggertime to trigger

Fig.

33Triggeran

dleav

ing

trigge

rcri

teria

forreport

ingeven

t1

C.

(TM3201Ra

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UERNCNode B

cell 1

cell 2

cell 3

active set

cell 1 Measurement Control RRC(setup: measurement ID, intra-frequency cell info list {cell 2, cell 3}, intra-freq. measurement quantity =

CPICH Ec/No intra-freq. measurement reporting event list {1A, 1B, 1C + parameters} )

meas.running

RRC

event 1Afor cell 2 Measurement Report

(measured result {cell2, observed SFN time difference, scrambling code, CPICH-Ec/No},event results {1A scrambling code of associated cell 2} )

1) soft HOdecision

2) soft HOprep.NBAP

RL Addition Request

( Node B Communic. Context ID, RL-ID,Cell ID=2, DL code information, DL power

information) )

NBAPRL Addition Response

( RNC Communic. Context ID, RL-ID,received total wideband power )

softer HO activated

Active Set UpdateRRC

( activation time = now, radio link addition info {cell ID = 2, DL minimum spreading factor,code number} )

Active Set Update Complete

( )

Measurement ControlRRC

(modify: measurement ID, add intra frequency cell (neighbors of cell 2), ... )

active set

cell 1,2

3) soft HO

exec.

RRC

Fig. 34 Soft handover scenario 1(3). (TM3201 Radio Resource Control Protocol RRC, 69)


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UERNCNode B

cell 1

cell 2

cell 3

RRC

event 1C

cell 3 better than cell 1Measurement Report

(measured result {cell3,...} {cell 1,...}, event results {1C scrambling code of cell 3} )soft HOdecision(add 3,delete 1)NBAP

RL Addition Request

( Node B Communic. Context ID, RL-ID,Cell ID=3, DL info... )

NBAP

RL Addition Response

( RNC Communic. Context ID, RL-ID,received total wideband power )

Active Set UpdateRRC

( activation time = now, radio link addition info {cell ID = 3, DL minimum spreading factor,code number} ,radio link deletion info {RL-ID of cell 1} )


( )


(modify: measurement ID, add intra frequency cell (neighbors of cell 3), delete neighbor cell listfor cell 1,... )

active setcell 2,3

active set

cell 1,2

NBAP( Node B Communic. Context ID, RL-ID,

Cell ID=1, DL info... )

NBAP RL Deletion Response

RL Deletion Request

RRC

( RNC Communic. Context ID, RL-ID)Fig.

35So

fthan

doverscenario

2(3).(TM3201Ra

dioResource

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tro

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UE RNCNode B

cell 1

cell 2

cell 3

RRC

event 1B

cell 2 leaves reporting rangeMeasurement Report

(measured result {cell3,...} {cell 2,...}, event results {1B scrambling code of cell 2} )soft HOdecision(add 3,delete 1)Active Set Update

( activation time = now, radio link deletion info {RL-ID of cell 2} )


( )


(modify: measurement ID, add intra frequency cell (neighbors of cell 2), delete neighbor cell listfor cell 2,... )

active set

cell 3

active set

cell 3,2

NBAP( Node B Communic. Context ID, RL-ID,

Cell ID=2, DL info... )

NBAPRL Deletion Response

RL Deletion Request

RRC

( RNC Communic. Context ID, RL-ID)

Fig. 36 Soft handover scenario 3(3). (TM3201 Radio Resource Control Protocol RRC, 71)


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Intra Frequency Reporting Event 1D

2/Log10Log10 1dBestBestNotBestNotBest HCIOMCIOM 1D trigger(not for pathloss)

best cell 1

cell 2

RSCP orEc/No

time

CIO1

trigger 1D reportbest cell = cell 2

H1d/2

CIO2 time to trigger

Fig. 41 Intra-frequency reporting event 1D trigger. (TM3201 Radio Resource Control Protocol RRC, 77)


12/24

UERNC

SourceNode B

cell 1 cell 2

active set

cell 1


(setup: measurement ID, intra-frequency cell info list {cell 2}, intra-freq. measurement quantity =CPICH Ec/No intra-freq. measurement reporting event list {1D + parameters} )

RRC

event 1Dcell 2 stronger than cell 1

Measurement Report

(measured result {cell2, observed SFN time difference, scrambling code, CPICH-Ec/No},event results {1D scrambling code of associated cell 2} )

1) hardHOdecision

2) hard HOprep.

NBAPRL Setup Request

( RNC Communic. Context ID2, RL-ID,Cell ID=2, DL code information, DL power

Information, UL scrambling code info )

NBAPRL Setup Response

( RNC Communic. Context ID2,Node B Communic. Context ID2, RL-ID,

received total wideband power,

Binding ID2 )

3) soft HOexec.

TargetNode B

ALCAPEstablishment Request

( Binding ID2, Path ID2, CID2, ... )

ALCAPEstablishment Confirm

Fig. 42 Hard handover scenario 1(2). (TM3201 Radio Resource Control Protocol RRC, 79)


13/24

UERNC

SourceNode B

cell 1 cell 2

active set

cell 2

Radio Bearer ReconfigurationRRC

( new UL/DL codes, new transport format sets and combination sets )

RRCRadio Bearer Reconfiguration Complete

( ... )

NBAPRL Deletion Request( Node B Communic. Context ID1 )

NBAPRL Restore Indication

( RNC Communic. Context ID2 )

TargetNode B

ALCAPRelease Request

( .. [for path 1] )ALCAP Release Confirm

DPCH synchronisation

NBAPRL Failure Indication


NBAPRL Deletion Response


( .. [for path 1] )


( neighbor cell list for cell 2, measurement reporting events )

Fig.

43Hard

han

doverscenario

2(2).(TM3201Ra

dioResource

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Intra Frequency Reporting Event 1E

2/Log10 11 eeNewNew HTCIOM 1E trigger(not for pathloss)

2/Log10 11 ceNewNew HTCIOM leaving trigger(not for pathloss)

cell 1

RSCP orEc/No

timetrigger 1E report

Add cell 1 to Triggered_1E_Event

H1e/2

CIO1

time to trigger

T1eH1e/2

remove cell 1 from

Triggered_1E_Event

time to trigger

trigger 1E report

Add cell 1 to Triggered_1E_Event

Fig. 44 Trigger and leaving trigger criteria for intra-frequency reporting event 1E. (TM3201 Radio Resource Control Protocol RRC, 81)


15/24

Intra Frequency Reporting Event 1F

2/Log10 11 ffOldOld HTCIOM 1F trigger(not for pathloss)

2/Log10 11 ffOldOld HTCIOM leaving trigger(not for pathloss)

cell 1

RSCP orEc/No

timetrigger 1F reportadd cell 1 to Triggered_1F_Event

H1f/2

CIO1

time to trigger

T1f

H1f/2

remove cell 1 fromTriggered_1F_Event

time to trigger

trigger 1F reportadd cell 1 to Triggered_1F_Event

Fig. 45 Trigger and leaving trigger criteria for intra-frequency reporting event 1F. (TM3201 Radio Resource Control Protocol RRC, 81)


16/24

Inter Frequency Reporting Events - Overview

2A

2B

2C

2D

2E

2F

Change of best frequency.

Estimated quality of current used frequency is below a certain thresholdand estimated quality of a non-used frequency is above a certain threshold.

Estimated quality of a non-used frequency isabove a certain threshold.

Estimated quality of currently used frequency isbelow a certain threshold.

The estimated quality of a non-used frequencyis below a certain threshold.

The estimated quality of currently frequency isabove a certain threshold.

Handover to new frequency


Trigger inter-frequencymeasurements.

Stop inter-frequencymeasurements on thisfrequency.

Stop all inter-frequencymeasurements.

Fig. 46 Inter-frequency reporting eventoverview. (TM3201 Radio Resource Control Protocol RRC, 83)


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Inter RAT Reporting Events - Overview

3A

3B

3C

3D

Estimated quality of other system is belowa certain threshold.

Estimated quality of current used UTRAN frequency is below a certain thresholdand estimated quality of other system frequency is above a certain threshold.

The estimated quality of other system isabove a certain threshold.

Change of best cell in other system.

Handover to new system.


Stop inter-RATmeasurements.

Fig. 47 Inter-RAT reporting events overview. (TM3201 Radio Resource Control Protocol RRC, 85)


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Traffic Volume Reporting Events - Overview

4A

4BTrCH traffic volume becomes smaller than anabsolute threshold.


SF switch to 2SF orTrCH switch DCH to FACH

TrCH traffic volume becomes bigger than anabsolute threshold.

SF switch to SF/2 orTrCH switch FACH to DCH

Fig. 48 Traffic volume reporting events. (TM3201 Radio Resource Control Protocol RRC, 87)


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Traffic Volume Reporting Event 4A and 4B

Traffic Volume(RLC Buffer Occupancy)Transp. Channel x

BufferOccupancy

time

timeto

trigger 4A

T4A

T4B

pendingtimeafter

trigger 4A

4A 4A 4A

measurement report

4A trigger start/stop

4B trigger start/stop

4B 4B4B

time

totrigger 4B

pendingtime

aftertrigger 4B

4A 4A 4A 4A

4B 4B4B

Fig.

49Tra

fficvo

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.(TM3201R

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20/24

UERNCNode B

cell 1

State:

CELL_FACH Measurement Control

RRC(setup: measurement ID, traffic volume measurement for TrCH x {4A, time to trigger, pending time},{4B, time to trigger, pending time} )

RRC

Event 4Afor TrCH x Measurement Report

( event result {4A for TrCH x, Buffer Occupancy, Variance} )

TrCHSwitchDecision

NBAPRL Setup Request

( RNC Communic.Context ID, RL-ID,DL Code Info, UL Code Info,... )

NBAPRL Setup Response

( RNC Communic. Context ID, Binding IDNode B Communic. Context ID, RL-ID )

Radio Bearer ReconfigurationRRC

( DPCH info, new transport format sets and combination sets, ...)

Radio Bearer Reconfiguration Complete

( )


(new measurements for CELL_DCH state )

State:

CELL_DCH

RRC

ALCAPEstablishment Request

( Binding ID, Path ID, CID, ... )

ALCAPEstablishment Confirm

Fig.

50Transportc

hanne

lsw

itch

.(TM3201Ra

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21/24

Quality Reporting Events - Overview

5A


A predefined number of bad CRCs is exceededduring a predefined sliding time window.

Increase max UL Tx power orabort service or reduce max bit rate

Fig. 51 Quality reporting events overview. (TM3201 Radio Resource Control Protocol RRC, 93)


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Quality Reporting Event 5A

CRC ok

CRC bad

Example Configuration:Pending After Trigger = 5 CRC

Bad CRC = 2 CRCTotal CRC = 4 CRC

Total CRC

Total CRC

5AReport

Total CRC

Pending TimeAfter Trigger

5AReport

Pending TimeAfter Trigger

Total CRC

Total CRC

DLTransport

Blocks

Fig

.52Qua

lityreport

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23/24

UE Internal Reporting Events - Overview

6A

6B

6C

6D

6E

6F

UE Tx power becomes bigger than absolute

threshold.

UE Tx power reaches its minimum value.

UE Tx power reaches its maximum value.

UE RSSI reaches the UEs receiver dynamic range.

The Rx-Tx time difference for a radio link in the activeset becomes larger than an absolute threshold.


UE Tx power becomes less than absolutethreshold.

6G The Rx-Tx time difference for a radio link in the activeset becomes smaller than an absolute threshold.

Fig. 53 UE internal reporting events overview. (TM3201 Radio Resource Control Protocol RRC, 95)


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UE Positioning Reporting Events - Overview

7A

7B

7C

UE position changes more than an absolute

threshold.

GPS time and SFN time have drifted apart more than anabsolute threshold.


SFN-SFN measurement changes more than anabsolute threshold.

Documents

Presentation in SG1 RRM LCS