S1HO in LTE | S1 Handover | S1HO |
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S1HO in LTE | S1 Handover | S1HO |
RRCConnectionReconfiguration ( measurement configuration provided to the UE)
Measurement Objects
Reporting Configurations
Measurement Identities
Quantity configurations
Measurement gaps
Layer 3 Filtering
This tutorial will focus on the measurement report. The measurement report is the mechanism used by the UE to tell the network whatever results have been requested. Typically, these are measurements of the surrounding cells. They can also include requested measurements of block error rate, transmit power and other UE-based parameters. The UE learns the requested information using a measurement configuration.
When a UE is in RRC-CONNECTED mode, this measurement configuration is provided to the UE by means of dedicated signaling; typically using the RRC Connection Reconfiguration message. RRC Connection Setup,RRC Connection Reconfiguration and RRC Connection Re-establishment messages are used to configure UE measurement reporting,i.e they replace the Measurement Control message used by UMTS.
The eNode B can request the UE to complete the following types of measurements:
Intra-frequency:measurement on the same RF carrier as the serving cell(s)
Inter-frequency:measurements on an LTE RF carrier which is not used by the serving cell(s)
Inter-RAT UTRAN FDD and TDD
Inter-RAT GERAN
Inter-RAT CDMA2000 HRPD or CDMA2000 1XRTT
When Carrier Aggregation is used for LTE Advanced there are multiple serving cells and each serving cell has its own RF carrier.
Measurements on any RF carrier belonging to a serving cell are categorized as intra-frequency.
RRCConnectionReconfiguration
The measurement configuration provided to the UE includes the following parameters
Reporting Configurations:
The criteria used by the UE to trigger the transmission of a measurement report and the quantities that the UE includes in the report. In other words: when should the UE send a report? This trigger can either be periodical or event-based.
for LTE ,the trigeering mechanism for sending a report can be either event driven or periodic.Event driven reports are based upon events A1,A2,A3,A4,A5 and A6. Periodic reports are based upon the expiry of a timer.The purpose of periodic reporting is signalled to either ‘reporting the strongest cells’ or ‘reporting CGI’ . The triggering quantity can be specified to be either RSRP or RSRQ, while the reported quantity can be specified to be either the same as the triggering quantity ,or both RSRP and RSRQ.The maximum number of cells to report is specified.
Measurement Identities:
An identifier that links one measurement object with one reporting configuration. In other words: the UE needs to keep track of the objects to be measured and their specific triggers. The measurement identity is used as a reference number in the measurement report.
What does measurement gap means? and how to calculate measurement gaps?
Before the handover, UE normally measure the cell power (signal quality) of the target cell and report it to the network, so that network can make a decision whether to allow UE to handover to the target cell or not.Issue does not come when UE measure the signal quality of the target cell if the target cell is at the same frequency as the current cell (Intrafrequency measurement) but an issue when the target cell is at a different frequency from the current cell (Interfrequency measurement).
#LTE #5G #S1Handover
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please send me a personal message and your content will be removed within 24 hours. PLEASE DO NOT FLAG MY CHANNEL!
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Website
=========
https://tweet4technology.blogspot.com/
Facebook Group:
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☎ CONTACT US: [email protected]
#LTE #4G #5G #VOLTE #CSFB #X2HO #S1HO #IMS #DRX #Carrier aggregation #ATS #Tweet4technology #srvcc #throughput #wireless #cloud computing #3G #UMTS #2G #GSM #WCDMA #6G #Attach call flow #Handover
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S1HO in LTE | S1 Handover | S1HO |
RRCConnectionReconfiguration ( measurement configuration provided to the UE)
Measurement Objects
Reporting Configurations
Measurement Identities
Quantity configurations
Measurement gaps
Layer 3 Filtering
This tutorial will focus on the measurement report. The measurement report is the mechanism used by the UE to tell the network whatever results have been requested. Typically, these are measurements of the surrounding cells. They can also include requested measurements of block error rate, transmit power and other UE-based parameters. The UE learns the requested information using a measurement configuration.
When a UE is in RRC-CONNECTED mode, this measurement configuration is provided to the UE by means of dedicated signaling; typically using the RRC Connection Reconfiguration message. RRC Connection Setup,RRC Connection Reconfiguration and RRC Connection Re-establishment messages are used to configure UE measurement reporting,i.e they replace the Measurement Control message used by UMTS.
The eNode B can request the UE to complete the following types of measurements:
Intra-frequency:measurement on the same RF carrier as the serving cell(s)
Inter-frequency:measurements on an LTE RF carrier which is not used by the serving cell(s)
Inter-RAT UTRAN FDD and TDD
Inter-RAT GERAN
Inter-RAT CDMA2000 HRPD or CDMA2000 1XRTT
When Carrier Aggregation is used for LTE Advanced there are multiple serving cells and each serving cell has its own RF carrier.
Measurements on any RF carrier belonging to a serving cell are categorized as intra-frequency.
RRCConnectionReconfiguration
The measurement configuration provided to the UE includes the following parameters
Reporting Configurations:
The criteria used by the UE to trigger the transmission of a measurement report and the quantities that the UE includes in the report. In other words: when should the UE send a report? This trigger can either be periodical or event-based.
for LTE ,the trigeering mechanism for sending a report can be either event driven or periodic.Event driven reports are based upon events A1,A2,A3,A4,A5 and A6. Periodic reports are based upon the expiry of a timer.The purpose of periodic reporting is signalled to either ‘reporting the strongest cells’ or ‘reporting CGI’ . The triggering quantity can be specified to be either RSRP or RSRQ, while the reported quantity can be specified to be either the same as the triggering quantity ,or both RSRP and RSRQ.The maximum number of cells to report is specified.
Measurement Identities:
An identifier that links one measurement object with one reporting configuration. In other words: the UE needs to keep track of the objects to be measured and their specific triggers. The measurement identity is used as a reference number in the measurement report.
What does measurement gap means? and how to calculate measurement gaps?
Before the handover, UE normally measure the cell power (signal quality) of the target cell and report it to the network, so that network can make a decision whether to allow UE to handover to the target cell or not.Issue does not come when UE measure the signal quality of the target cell if the target cell is at the same frequency as the current cell (Intrafrequency measurement) but an issue when the target cell is at a different frequency from the current cell (Interfrequency measurement).
#LTE #5G #S1Handover
Apart from Technology my involvement in creating online money and also learn related to some technical and social things which belong to my Learning Habit, I do not want to keep these things confined to myself.
I would be glad if my video would be a helpful for you.
➽ If any part of the contents of this channel is that your property (as a musician, label, video, image distributor or artist),
please send me a personal message and your content will be removed within 24 hours. PLEASE DO NOT FLAG MY CHANNEL!
☎ Please follow my channel on Social n/w.
Facebook:
Facebook: AnandTechnicalSupport
YouTube
@anandtechnosolutions
========
LinkedIn: gautamanand4g5g
Website
=========
https://tweet4technology.blogspot.com/
Facebook Group:
Facebook: AnandTechnicalSupport
☎ CONTACT US: [email protected]
#LTE #4G #5G #VOLTE #CSFB #X2HO #S1HO #IMS #DRX #Carrier aggregation #ATS #Tweet4technology #srvcc #throughput #wireless #cloud computing #3G #UMTS #2G #GSM #WCDMA #6G #Attach call flow #Handover
#AnandTechnoSolutions #TechnoSolutions #Technews #Unboxing #Technology
#AnandTechnicalSupport
3 سال پیش
در تاریخ 1401/01/11 منتشر شده
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