L1_Salalah LTE Cluster DT Report

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CAPITALS

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LTE cluster Drive Test report

L1 salalah Cluster

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• Test Date : 6 Feb 2013

• Test Description : 1. LTE Connected Mode –continuous large file download-long session

2. LTE Connected Mode-small files download-short sessions

• Test Tool : TEMS INVESTIGATION 14

• UE type : HUAWEI E392

• Test Method : Drive Test.

• Post Processing Tool : Tems Discovery, tipp-l macro, tems investigation 14.

Test details

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› Cluster site details

› Google earth view

› Coverage plots from Test1

› Results of Test1 (Drops per hour-HOSR)

› Results of Test2 (SSSR)

› Comments

Report contents

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cluster site list details 4G Site ID Region Wilayat

Cluster name

Site Name Longitude Latitude Cell ID Azimuth Height PCI TAC (RBS) earfcndl earfcnul dlChannelBandwidth ulChannelBandwidth ConfOutputPow

er

336074 Dhofar Salalah L1_Salalah SAADAH2_DLU 54.1523 17.0686 1 0 19 9 1011 1312 19312 1400 1400 80W



336104 Dhofar Salalah L1_Salalah SAADAH_NEW 54.1543 17.0781 1 50 12 12 1011 1312 19312 1400 1400 80W



336114 Dhofar Salalah L1_Salalah SALALAH4 54.1435 17.0437 1 0 35 15 1011 1312 19312 1400 1400 80W



336194 Dhofar Salalah L1_Salalah ADIL_HOUSE 54.1581 17.0552 1 40 16.15 21 1011 1312 19312 1400 1400 80W



336204 Dhofar Salalah L1_Salalah AHMED_HOUSE 54.1588 17.0469 1 20 19 24 1011 1312 19312 1400 1400 80W



336374 Dhofar Salalah L1_Salalah TAYMOOR_ST 54.161 17.0725 1 160 18 36 1011 1312 19312 1400 1400 80W



336614 Dhofar Salalah L1_Salalah SAADAH_MDL 54.1536 17.0626 1 40 36 39 1011 1312 19312 1400 1400 80W



337424 Dhofar Salalah L1_Salalah SAADAH_NORTH2 54.1466 17.0852 1 70 25.9 48 1011 1312 19312 1400 1400 80W Not On Air



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Google earth view

Site Not On Air

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Serving Cell RSRP

Site Not On Air

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Serving Cell RSRQ

Site Not On Air

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Serving Cell SINR

Site Not On Air

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Serving Cell PCI

Site Not On Air

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› Drive Test Time: 1.86 Hour

› Number of RRC Drops= 7

( RRC Re-establishments Rejects)

› Number of Session Drops per hour: 3.76 Drops/Hour

› Intra LTE Handover Success Rate HOSR: 100%

Long call Test Results

LTE Intra-frequency Handover Failed 0

LTE Intra-frequency Handover OK 842

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Short call test results

LTE Attach Request 100

LTE Attach Rejected 0

LTE Attach Failed 0

LTE Attach Accepted 100

LTE Attach OK 100

Session Setup Success Rate SSSR 100%

LTE RRC Connection Request 101

LTE RRC Connection Reject 0

LTE RRC Connection Fail 0

LTE RRC Connection Setup 101

LTE RRC Connection Complete 101

LTE RRC Establishment Success Rate 100%

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› 7 RRC Connection drops due to

coverage and interference.

› RRC reestablishment rejected

therefore recommend activating

RRC Reestablishment feature

to reduce the probability of

session drops.

Long call analysis

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› RRC Connection Dropped due to poor coverage as Site

337424 is not On Air yet.

Long call analysis-case 1

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› RRC Connection

Dropped due to

interference from many

overshooting cells

causing poor SINR.

› Recommend applying

Tilt +2deg to :

› 336374B

› 336194A

› 336074B

› 336194C

336374

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› RRC Connection

Dropped due to

interference from many

overshooting cells

causing poor SINR.

› Recommend applying

Tilt +2deg to :

› 336104C

› 336374A

› 336194B

› 336614B


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› Recommend to change Azimuth for 336074B from 50 to 90 to improve

the SINR in the highlighted area.

Long call analysis

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› Recommend activating RRC Reestablishment feature to reduce the probability of

session drops.

› Recommend applying 2deg tilt to : › 336374B

› 336194A

› 336074B

› 336194C

› 336104C

› 336374A

› 336194B

› 336614B

› Recommend changing Azimuth for 336074B from 50 to 90 to improve the SINR.

› It is recommended to further tune and optimize if required after the configuration is

changed to 20Mhz as the coverage (RSRP) will shrink around 12dB.

Recommendations summary

Documents

L1_Salalah LTE Cluster DT Report