LTE-Measurement-Events.pdf

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LTE LTE LTE LTE mmmmeasurementeasurementeasurementeasurement e e e eventsventsventsvents

DateDateDateDate:::: 12.03.2010

Revision:Revision:Revision:Revision: 001/LME/010

Author:Author:Author:Author: Jakub Bluszcz

Leliwa Technical Bulletin

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Leliwa Technical BulletinLeliwa Technical BulletinLeliwa Technical BulletinLeliwa Technical Bulletin LTE m LTE m LTE m LTE measurement eventseasurement eventseasurement eventseasurement events

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Table of contentsTable of contentsTable of contentsTable of contents

Table of contents ............................................................................................................................................................................2

Parameter s-measure .....................................................................................................................................................................3

Event A1 .........................................................................................................................................................................................4

Event A2 .........................................................................................................................................................................................5

Event A3 .........................................................................................................................................................................................6

Event A4 .........................................................................................................................................................................................7

Event A5 .........................................................................................................................................................................................8

Event B1 .........................................................................................................................................................................................9

Event B2 .......................................................................................................................................................................................10

Speed dependant scaling of measurement parameters ................................................................................................................11

Acronyms and Abbreviations ........................................................................................................................................................12

References ...................................................................................................................................................................................13

Disclaimer.....................................................................................................................................................................................14


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PPPPaaaarameter srameter srameter srameter s----measuremeasuremeasuremeasure

time

RS

RP

s-c

ell

s-measure

MEASUREMENTS


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Event A1Event A1Event A1Event A1

Hysteresis

time

trigg

erQ

uant

ity

a1-Threshold

timeT

oTrig

ger

triggerType=eventeventId=eventA1

repo

rtIn

terv

al

reportAmount

repo

rtO

nLea

ve

Serving becomes better than threshold

reportQuantity


5


Hysteresis

Serving becomes worse than threshold

time

trigg

erQ

uant

ity

a2-Threshold

timeT

oTrig

ger


repo

rtIn

terv

al

reportAmount

repo

rtO

nLea

ve

reportQuantity


6


time

trigg

erQ

uant

ity


Neighbour becomes offset better than serving

offset

Hysteresis

timeToTrigger reportInterval

reportAmount

reportOnLeave

reportQuantity

Offset = a3-offset + offsetFreq s + cellIndividualOffset s – offsetFreq n - cellIndividualOffset n

n-cell

s-cell


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Neighbour becomes offset better than threshold

time

trigg

erQ

uant

ity

a4-Threshold

Hysteresis


reportAmount

reportQuantity

offset


reportOnLeave

Offset = offsetFreq n + cellIndividualOffset n


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a5-Threshold1

Serving becomes worse than thr.1 and neighbour becomes better than thr.2 tr

igge

rQua

ntity

time

offset

condition 1 fulfilled


reportAmount

timeToTrigger reportIntervalreportOnLeave

reportQuantity

a5-Threshold2

Hysteresis

Hysteresis

triggerType=event eventId=eventA5

offset = offsetFreq n + cellIndividualOffset n

n-cell

s-cell


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Event B1Event B1Event B1Event B1

Inter RAT neighbour becomes better than threshold

time

utra

-RS

CP

/utra

EcN

0 R

SS

I(R

XLE

V)

a1-ThresholdUTRA/GERAN

Hysteresis

triggerType=eventeventId=eventB1

reportAmount

reportQuantity

OffsetFreq


reportOnLeave


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Event B2Event B2Event B2Event B2

Serving becomes worse than threshold1 and inter RAT neighbour becomes better

than threshold2)tr

igge

rQua

ntity

time



reportAmount

timeToTrigger reportIntervalreportOnLeave

reportQuantity

b2-Threshold2UTRA/GERAN

Hysteresis

Hysteresis

triggerType=event eventId=eventB2

n-cell

s-cellb2-Threshold1

OffsetFreq

utra

-RS

CP

/utr

aEcN

0 R

SS

I(R

XLE

V)


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Speed dependant scaling of measurement parametersSpeed dependant scaling of measurement parametersSpeed dependant scaling of measurement parametersSpeed dependant scaling of measurement parameters

timeToTrigger

time

trigg

erQ

uant

ity

timeToTriger:=timeToTrigger*sf-Medium (medium-mobility detected)

timeToTriger:=timeToTrigger*sf-High (high-mobility detected)


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Acronyms and AbbreviationsAcronyms and AbbreviationsAcronyms and AbbreviationsAcronyms and Abbreviations

AKAAKAAKAAKA Authentication and Key Agreement CCOCCOCCOCCO Cell Change Order CDMACDMACDMACDMA Code Division Multiple Access DCCHDCCHDCCHDCCH Dedicated Control Channel DLDLDLDL Downlink EGPRSEGPRSEGPRSEGPRS Enhanced General Packet Radio Service GERANGERANGERANGERAN GSM/EDGE Radio Access Network HOHOHOHO Handover MMEMMEMMEMME Mobility Management Entity NASNASNASNAS Non-access Stratum Signalling PCCHPCCHPCCHPCCH Paging Control Channel PLMNPLMNPLMNPLMN Public Land Mobile Network PSIPSIPSIPSI Public Service Identity RATRATRATRAT Radio Access Technology RLCRLCRLCRLC Radio Link Control RNTIRNTIRNTIRNTI Radio Network Temporary Identifier RRCRRCRRCRRC Radio Resource Control RSCPRSCPRSCPRSCP Received Signal Code Power RSRPRSRPRSRPRSRP Reference Signal Received Power RXLEVRXLEVRXLEVRXLEV Received Signal Level TMSITMSITMSITMSI Temporary Mobile Subscriber Identity Number UEUEUEUE User Equipment ULULULUL Uplink UTRANUTRANUTRANUTRAN UMTS Terrestrial Radio Access Network


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RRRReferenceseferenceseferenceseferences

This section contains the locations of various specifications, document references and useful information where you can learn more about

this subject.

[1] 3GPP TS 36.331 Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification


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LTE-Measurement-Events.pdf

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