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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
dioResource
Con
tro
lPro
toco
lRRC
,57)
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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
tro
lPro
toco
lRRC
,59)
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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
dioResource
Con
tro
lPro
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lRRC
,65)
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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
dioResource
Con
tro
lPro
toco
lRRC
,65)
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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
dioResource
Con
tro
lPro
toco
lRRC
,67)
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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} )
Active Set Update Complete
( )
Measurement ControlRRC
(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
Con
tro
lPro
toco
lRRC
,70)
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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} )
Active Set Update Complete
( )
Measurement ControlRRC
(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)
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UERNC
SourceNode B
cell 1 cell 2
active set
cell 1
Measurement ControlRRC
(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)
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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
( RNC Communic. Context ID1 )
NBAPRL Deletion Response
( RNC Communic. Context ID1 )
( .. [for path 1] )
Measurement ControlRRC
( neighbor cell list for cell 2, measurement reporting events )
Fig.
43Hard
han
doverscenario
2(2).(TM3201Ra
dioResource
Con
tro
lPro
toco
lRRC
,79)
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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)
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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)
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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
Event ID Event Description Notes
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.
Event ID Event Description Notes
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.
Event ID Event Description Notes
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
lumereport
inge
ven
ts4Aan
d4B
.(TM3201R
adioResource
Con
tro
lProtoco
lRRC
,89)
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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
( )
Measurement ControlRRC
(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
dioResourceC
on
tro
lPro
toco
lRRC
,91)
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Quality Reporting Events - Overview
5A
Event ID Event Description Notes
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
ingeven
t5A
.(TM3201Ra
dioResource
Con
tro
lPro
toco
lRRC
,93)
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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.
Event ID Event Description Notes
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.
Event ID Event Description Notes
SFN-SFN measurement changes more than anabsolute threshold.
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