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Project hammer PC_CA_ERE_06 LTE DT ANALYSIS Celcom CA Project
Project hammer PC_CA_ERE_06 LTE DT ANALYSIS © Ericsson AB 2016
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CONTENTS SINR Analysis CSFB Call Setup Time Analysis Celcom CA Project
CONTENTS SINR Analysis CSFB Call Setup Time Analysis © Ericsson AB 2016
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PC_CA_ERE_06 CA-report – DT KPI overview – 4G
Celcom CA Project PC_CA_ERE_06 CA-report – DT KPI overview – 4G © Ericsson AB 2016
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Celcom CA Project SINR Analysis © Ericsson AB 2016
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PC_CA_ERE_06 dt kpi—4G DT KPIlte SINR
Celcom CA Project PC_CA_ERE_06 dt kpi—4G DT KPIlte SINR Ericsson SINR Area1 Area2 Simulation SINR Area4 Area3 PA Comments 1 Bad SINR due to poor coverage 2 Bad SINR due to no dominant server 3 4 5 6 7 8 9 10 Area5 Area7 Area6 Area8 Area9 Area10 © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 1/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 1/10 Area1 SINR Area 1: Analysis: This area is served by EL30088_1 with 1.5km far away Bad SINR at this area is due to poor coverage, RSRP low since spot blocking by trees. From the DT SINR result also can matches with simulation RSRP Footprint of EL30088_1 Area1 SINR Antenna View EL30088_1 Street view on Goolge © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 2/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 2/10 Area2 SINR Area 2: Analysis: This area is served by EL30088_3 with 1.1km far away and EL30088_2 with 1km Bad SINR at this area is due to no dominant server in this area as in the middle of between of setor2 §or3 of EL30088. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation THP Footprint of EL30088_2 SINR RSRP RSRP Footprint of EL30088_3 Area2 © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 3/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 3/10 Area3 SINR Area 3: Analysis: This area is served by EL30088_2 with 1.5km far away, EL30088_3 with 1.5km, and served by EL30190_1 with 1.4km far away. Bad SINR at this area is due to no dominant server in this area as far away from the serving cells. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation A new site named EAST1_B077 planned here THP Longitude: Latitude: SINR RSRP RSRP RSRP Area3 Footprint of EL30190_1 © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 4/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 4/10 SINR Area 4: Analysis: Bad SINR at this area is due to no dominant server as this area in the middle of EL30453_1, EL30453_3 and EL30077_1, and the signal blocked by trees. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation Area4 RSRP THP SINR RSRP Antenna View EL30077_1 Area3 Street view on Goolge © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 5/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 5/10 Area5 SINR Area 5: Analysis: Bad SINR at this area is due to no dominant server as this area in the middle of EL30453_1 and EL30453_2, also in the middle of EL30001_1 and EL30001_3, and the signal blocked by trees. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation THP SINR RSRP RSRP RSRP © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 6/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 6/10 Area6 SINR Area 6: Analysis: This area is served by EL30234_2 with 2.2k far away, and by EL30010_3 with 3.1km far away. Bad SINR at this area is due to no dominant server as far from the sites and no sectors directly covered this area. RSRP low since spot blocking by contour. And bad spot area surrounded by trees. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation Antenna View EL30234 RAMO_GONGBADAK3 THP SINR RSRP Street view on Goolge © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 7/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 7/10 Area7 SINR Area 7: Analysis: Bad SINR at this area is due to no dominant server as in the middle of EL30001_8_1 and EL30001_8_2, and the signal blocked by tress. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation THP SINR RSRP Footprint of EL30001_8_1 Footprint of EL30001_8_2 Street view on Goolge © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 8/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 8/10 Area8 SINR Area 8: Analysis: Bad SINR at this area is due to no dominant server as the area in the middle of EL30217_2 and EL30210_2, and also in the middle of EL30074_2 and EL30074_3. Also DL THP>7M of this area is acceptable and the subscriber experience won't be influenced. From the DT SINR result also can matches with simulation THP SINR RSRP Footprint of EL30217_8_2 Footprint of EL30210_8_2 Footprint of EL30074_8_2 Footprint of EL30074_8_3 © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 9/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 9/10 Area9 SINR Area 9: Analysis: Bad SINR at this area is due to no dominant server as this area far from the serving cell EC30090_8_1 and EC30207_8_1 From the footprint that the poor coverage of this area also lead to the poor SINR From the DT SINR result also can matches with simulation SINR Street view on Goolge RSRP Footprint of EC30090_8_1 Footprint of EC30207_8_1 © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 10/10
Celcom CA Project PC_CA_ERE_06 DT KPI—4G DT KPI lte sinr 10/10 Area10 SINR Area 10: Analysis: Bad SINR at this area is due to no dominant server as this area far from the serving cell EC30090_8_1, EC30207_8_1 and EC30207_8_2. From the footprint that the poor coverage of this area also lead to the poor SINR From the DT SINR result also can matches with simulation Antenna View EC30090_8_1 SINR Footprint of EC30090_8_1 Footprint of EC30207_8_1 RSRP Footprint of EC30207_8_2 © Ericsson AB 2016
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CSFB Call Setup Time Analysis
Celcom CA Project CSFB Call Setup Time Analysis © Ericsson AB 2016
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PC_CA_ERE_06 CA SSO dt kpi—4G DT KPI CSFB call setup time
Celcom CA Project PC_CA_ERE_06 CA SSO dt kpi—4G DT KPI CSFB call setup time Analysis: There are 641 times CSFB, and 83.78% of samples CSFB Call Setup time is less than 6.5s. 15 times of CSFB Call Setup time are more than 9.5s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #1
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #1 Time Ch SC RSCP Ec/N0 5.3 s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top1 CSFB takes s to alerting. 2. . High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE, poor Ec/N0 caused long CSFB call setup time. 3. According to the signaling it takes about 3.4 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.4s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #2
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #2 Time Ch SC RSCP Ec/N0 5.2s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top2 CSFB takes s to alerting. 2. High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE, poor Ec/N0 caused long CSFB call setup time. 3. According to the signaling it takes about 4.0 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 4s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #3
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #3 5.3s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top3 CSFB takes s to alerting. 2. . High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE as UE was receiving SMS (terminatinghighPrioritySignaling) during these signalings. Propose to disable the SMS service for the test SIM Card. 3. According to the signaling it takes about 3.7 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.7s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #4
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #4 5.2s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top4 CSFB takes 9.807s to alerting. 2. . High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE as UE was receiving SMS (terminatinghighPrioritySignaling) during these signalings. Propose to disable the SMS service for the test SIM Card. 3. According to the signaling it takes about 3.4 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.4s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #5
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #5 Time Ch SC RSCP Ec/N0 5.4s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. There are 5.6s from CM_SERVICE_REQUEST to SETUP which caused long CSFB call setup time. Poor Ec/N0 caused long CSFB call setup time. 2. According to the signaling it takes about 3.6 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.6s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #6
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #6 5.8s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top6 CSFB takes s to alerting. 2. High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE as UE was receiving SMS (terminatinghighPrioritySignaling) during these signalings. Propose to disable the SMS service for the test SIM Card. 1.backup Proceeding CN Responding 3.7s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #7
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #7 Time Ch SC RSCP Ec/N0 8.21s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top7 CSFB takes s to alerting. 2. High latency from 4G RRCConnectionRelease fall back to 3G RRC_CONNECTION_SETUP_COMPLETE, poor Ec/N0 caused long CSFB call setup time. 3. According to the signaling it takes about 3.8 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.8s © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #8
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #8 Time Ch SC RSCP Ec/N0 Proceeding CN Responding 3.3s 16s RRC_CONNECTION_SETUP_COMPLETE Connect to WCDMA Analysis: 1. Top8 CSFB takes s to alerting. 2. High latency from 4G fall back to 3G RRC_CONNECTION_SETUP_COMPLETE, poor Ec/N0 caused long CSFB call setup time. 3. According to the signaling it takes about 3.3 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup © Ericsson AB 2016
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PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #9
Celcom CA Project PC_CA_ERE_06 DT KPI-4G DT KPI CSFB call setup time #9 Time Ch SC RSCP Ec/N0 7.3s RRCConnectionRelease RRC_CONNECTION_SETUP_COMPLETE Analysis: 1. Top9 CSFB takes s to alerting. 2. High latency from 4G fall back to 3G RRC_CONNECTION_SETUP_COMPLETE, poor Ec/N0 caused long CSFB call setup time and UE was receiving SMS (terminatinghighPrioritySignaling) during these signalings. Propose to disable the SMS service for the test SIM Card. 3. According to the signaling it takes about 3.9 seconds waiting for CN to response. Recommend to investigate Core Network side. 1.backup Proceeding CN Responding 3.9s © Ericsson AB 2016
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Celcom CA Project Celcom LM Strategy © Ericsson AB 2016
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CA– scenario (idle mode)
Celcom CA Project CA– scenario (idle mode) © Ericsson AB 2016
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CA– scenario (connected mode)
Celcom CA Project CA– scenario (connected mode) © Ericsson AB 2016
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Celcom CA Project © Ericsson AB 2016
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