lte measurement events

Leliwa Technical BulletinDate: Date: 12.03.2010 Revision: 001/LME/010 Author: Jakub Bluszcz 1 Copyright ©2010 Leliwa. All Rights Reserved. LTE measurement events events Leliwa Technical Bulletin LTE measurement measurement events Table 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 2 Leliwa Technical Bulletin LTE measurement measurement events RSRP s-cell Parameter ss-measure s-measure MEASUREMENTS time 3 Leliwa Technical Bulletin LTE measurement measurement events Event A1 triggerQuantity Serving becomes better than threshold Hysteresis a1-Threshold reportAmount reportQuantity reportOnLeave reportInterval timeToTrigger triggerType=event eventId=eventA1 time 4 Leliwa Technical Bulletin LTE measurement measurement events Event A2 triggerQuantity Serving becomes worse than threshold a2-Threshold Hysteresis reportAmount reportQuantity reportOnLeave reportInterval triggerType=event eventId=eventA2 timeToTrigger time 5 Leliwa Technical Bulletin LTE measurement measurement events Event A3 triggerQuantity Neighbour becomes offset better than serving Hysteresis offset s-cell n-cell reportAmount reportQuantity time triggerType=event eventId=eventA3 reportOnLeave timeToTrigger reportInterval Offset = a3-offset + offsetFreqs + cellIndividualOffsets – offsetFreqn - cellIndividualOffsetn 6 Leliwa Technical Bulletin LTE measurement measurement events Event A4 triggerQuantity Neighbour becomes offset better than threshold Hysteresis offset a4-Threshold reportAmount reportQuantity time reportOnLeave triggerType=event eventId=eventA4 timeToTrigger reportInterval Offset = offsetFreqn + cellIndividualOffsetn 7 Leliwa Technical Bulletin LTE measurement measurement events Event A5 Serving becomes worse than thr.1 and neighbour becomes better than thr.2 triggerQuantity condition 2 fulfilled condition 1 fulfilled a5-Threshold2 offset Hysteresis s-cell a5-Threshold1 reportAmount Hysteresis reportQuantity n-cell time reportOnLeave triggerType=event timeToTrigger reportInterval eventId=eventA5 offset = offsetFreqn + cellIndividualOffsetn 8 Leliwa Technical Bulletin LTE measurement measurement events Event B1 utra-RSCP/utraEcN0 RSSI(RXLEV) Inter RAT neighbour becomes better than threshold Hysteresis OffsetFreq reportAmount a1-ThresholdUTRA/GERAN reportQuantity time reportOnLeave triggerType=event eventId=eventB1 timeToTrigger reportInterval 9 Leliwa Technical Bulletin LTE measurement measurement events Event B2 Serving becomes worse than threshold1 and inter RAT neighbour becomes better than threshold2) triggerQuantity utra-RSCP/utraEcN0 RSSI(RXLEV) condition 2 fulfilled condition 1 fulfilled b2-Threshold2UTRA/GERAN OffsetFreq Hysteresis s-cell b2-Threshold1 reportAmount Hysteresis reportQuantity triggerType=event eventId=eventB2 n-cell time reportOnLeave timeToTrigger reportInterval 10 Leliwa Technical Bulletin LTE measurement measurement events triggerQuantity Speed dependant scaling of measurement parameters time timeToTrigger timeToTriger:=timeToTrigger*sf-Medium (medium-mobility detected) timeToTriger:=timeToTrigger*sf-High (high-mobility detected) 11 Leliwa Technical Bulletin LTE measurement measurement events Acronyms and Abbreviations AKA CCO CDMA DCCH DL EGPRS GERAN HO MME NAS PCCH PLMN PSI RAT RLC RNTI RRC RSCP RSRP RXLEV TMSI UE UL UTRAN Authentication and Key Agreement Cell Change Order Code Division Multiple Access Dedicated Control Channel Downlink Enhanced General Packet Radio Service GSM/EDGE Radio Access Network Handover Mobility Management Entity Non-access Stratum Signalling Paging Control Channel Public Land Mobile Network Public Service Identity Radio Access Technology Radio Link Control Radio Network Temporary Identifier Radio Resource Control Received Signal Code Power Reference Signal Received Power Received Signal Level Temporary Mobile Subscriber Identity Number User Equipment Uplink UMTS Terrestrial Radio Access Network 12 Leliwa Technical Bulletin LTE measurement measurement events References 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 13 Leliwa Technical Bulletin LTE measurement measurement events Disclaimer This document is based on Leliwa training materials. Information in this document is subject to change without notice. Leliwa assumes no responsibility for any errors that may appear in this document. This document may be freely redistributed. You can store it on any servers and make it available for public download. In such case it must be clearly indicated that it comes from Leliwa website www.leliwa.com If you received only this file, you can download more Leliwa Technical Bulletins from the following address: http://www.leliwa.com/downloads If you want to be informed when the new bulletins are uploaded, please send a blank e-mail with Subject="Update_request" to [email protected] or click this link: mailto:[email protected]?subject=Update_request Leliwa Sp. z o.o. 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