WiMAX Cluster Cluster Optimization Report

7/30/2019 WiMAX Cluster Cluster Optimization Report

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Cluster Drive Test

&

Network Optimization Report

For

Banglalion WiMAX

Cluster ID: DH10

Area Name: Badda

Date of Drive Test: 2011-08-14

Drive Test Engineer Name from Vendor: Hexiangyang/Helichao

Drive Test Engineer Name from Oparetor:

Report Prepared By: 2011-08-15

Banglalion RF ZTE RF

Name: Name:

Date: Date: 2011.08.15

Signature: Signature: Hexiangyang/Helichao

Cluster Drive Test Report


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Cluster DH10 Report in Badda Area

Table of Contents

Figure 1 Cluster Sites Layout 11............................................................................................6

Figure 2 Cluster Sites Layout on Google Earth Map 12.........................................................6

Figure 3 Cluster Drive Test Route 14.....................................................................................6

Figure 4 Cluster RSSI Before Optimization 16.......................................................................6

Figure 5 Cluster RSSI After Optimization 17..........................................................................6

Figure 6 Cluster CINR Before Optimization 20.......................................................................6

Figure 7 Cluster CINR After Optimization 21..........................................................................6

Figure 8 Cluster MCS Before Optimization 24.......................................................................6

Figure 9 Cluster MCS After Optimization 25..........................................................................6

Figure 10 Cluster Frequency Distribution Before Optimization 32..........................................6

Figure 11 Cluster Frequency Distribution After Optimization 33.............................................6

Figure 12 Coverage Percentage 34.......................................................................................6

Figure 13 Cluster RSSI Distribution 43..................................................................................6

Figure 14 Cluster CINR Distribution 44..................................................................................6

Figure 15 Cluster Simulation Result with Drive Test Result for RSSI 46................................6

Figure 16 Cluster Simulation Result with Drive Test Result for CINR 47................................6

Figure 17 Connection Setup Failure Distribution on RSSI Map 49.........................................6

Figure 18 Connection Setup Failure Distribution on CINR Map 50........................................6

Figure 19 FTP Download Dropped Distribution on RSSI Map 51...........................................6

Figure 20 FTP Download Dropped Distribution on CINR Map 52..........................................6

Figure 21 FTP Upload Dropped Distribution on RSSI Map 53...............................................6

Figure 22 FTP Upload Dropped Distribution on CINR Map 54...............................................6

Figure 23 FTP Download Throughput Distribution 55............................................................6

Figure 24 FTP Upload Throughput Distribution 57.................................................................6

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Figure 25 FTP Download Handover Failure Distribution on RSSI Map 60.............................7

Figure 26 FTP Download Handover Failure Distribution on CINR Map 61.............................7

Figure 27 FTP Upload Handover Failure Distribution on RSSI Map 62..................................7

Figure 28 FTP Upload Handover Failure Distribution on CINR Map 63.................................7

Figure 29 CPE Tx Power Distribution for Coverage test 64...................................................7

Figure 30 Final Sites Information Table After Optimization 68................................................7

Table 1 Cluster Current Site Info before Optimization 10.......................................................8

Table 2 Cluster Status 13.......................................................................................................8

Table 3 Before Optimization PDF & CDF of RSSI 19.............................................................8

Table 4 After Optimization PDF & CDF of RSSI 20................................................................8

Table 5 Before Optimization PDF & CDF for CINR 23............................................................8

Table 6 After Optimization PDF & CDF for CINR 23...............................................................8

Table 7 Before Optimization PDF & CDF for MCS 27............................................................8

Table 8 After Optimization PDF & CDF for MCS 27...............................................................8

Table 9 Coverage Percentage 34...........................................................................................8

Table 10 Azimuth Adustment Table 35..................................................................................8

Table 11 Antenna Downtilts Adjustment Information 35..........................................................8

Table 12 Neighbor Configuration after Optimization 42..........................................................8

Table 13 Handover Success Rate 42.....................................................................................8

Table 14 Network Entry Success Rate 48..............................................................................8

Table 15 RF Dropped Rate 50...............................................................................................8

Table 16 DL Dropped Rate 50................................................................................................8

Table 17 UL Dropped Rate 52................................................................................................8

Table 18 Average FTP Download Throughput 54...................................................................8

Table 19 Percentage for FTP Download Throughput 56........................................................8

Table 20 Average FTP Upload Throughput 57.......................................................................8

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Table 21 FTP Upload Throughput 58.....................................................................................8

Table 22 Handover Success Rate 59.....................................................................................8

Table 23 FTP Download Handover Statistics 59....................................................................8

Table 24 FTP Upload Handover Statistics 62.........................................................................8

Chart 1 RSSI Bar Chart Before Optimization 18....................................................................9

Chart 2 RSSI Bar Chart After Optimization 19.......................................................................9

Chart 3 CINR Bar Chart Before Optimization 22....................................................................9

Chart 4 CINR Bar Chart After Optimization 23.......................................................................9

Chart 5 MCS Bar Chart Before Optimization 26.....................................................................9

Chart 6 MCS Bar Chart After Optimization 26........................................................................9

Chart 7 Average FTP Download Throughput 56....................................................................9

Chart 8 FTP Upload Throughput 58.......................................................................................9

1 Executive Summary...........................................................................................................10

1.1 KPI Summary............................................................................................................10

1.1.1 Drive Test KPI..................................................................................................10

1.1.2 OMC Statistic KPI............................................................................................10

1.2 Event Summary........................................................................................................11

2 General..............................................................................................................................12

2.1 Cluster Sites Overview.............................................................................................12

2.2 Information................................................................................................................14

3 Cluster Drive Test Route....................................................................................................16

4 Cluster Optimization...........................................................................................................18

4.1 RSSI Result Before and After Optimization............................................................18

4.2 CINR Result Before and After Optimization...........................................................22

4.3 MCS Distribution Before & After Optimization.......................................................26

4.4 Preamble Result Before and After Optimization....................................................30

4.5 Frequency Distribution Before & After Optimization.............................................34

4.6 Coverage Percentage...............................................................................................36

4.7 Cluster Physical Adjustment ..................................................................................37

4.8 Antenna Height, Azimuth & Tilt adjustment Reason Analysis..............................38

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4.8.1 Region 1(DH17143/DH17342/DH17002)..........................................................38

4.8.2 Region 2 (DH17145/DH17146).........................................................................39

4.8.3 Region 3(DH17011/DH17073/17077)...............................................................40

4.8.4 Region 4 (DH17151).........................................................................................41

5 Cluster Optimization...........................................................................................................43

5.1 Neighbor Optimization ............................................................................................43

5.2 Cluster Coverage after Final Optimization.............................................................45

5.2.1 RSSI Distribution.............................................................................................45

5.2.2 CINR Distribution.............................................................................................46

5.3 Observations and Comments..................................................................................46

6 Simulation for RSSI & CINR After Optimization Cluster Drive Test....................................48

7 FTP Data Transfer Test Verification after Optimization.......................................................50

7.1 Network Entry Success Rate...................................................................................50

7.1.1 Connection Setup Distribution on RSSI Map................................................51

7.1.2 Connection Setup Distribution on CINR Map................................................52

7.2 RF Dropped Rate......................................................................................................52

7.2.1 FTP Download Dropped Rate.........................................................................52

7.2.2 FTP Upload Dropped Rate..............................................................................54

7.3 Average FTP Download Throughput ......................................................................56

7.4 FTP Download Throughput Distribution.................................................................57

7.5 Average FTP Upload Throughput...........................................................................58

7.6 FTP Upload Throughput Distribution......................................................................59

7.7 Handover Success Rate...........................................................................................61

7.7.1 FTP Download Handover Success Rate........................................................61

7.7.2 FTP Upload Handover Success Rate.............................................................64

7.7.3 CPE Tx Power Distribution After Optimization..............................................66

8 Observations and Comments.............................................................................................67

9 Suggestion.........................................................................................................................68

Appendix A...........................................................................................................................69

A.1 Neighbor Configuration List...................................................................................69

A.2 Complete Sites Information After Optimization ....................................................70

A.3 Directory of the CD..................................................................................................70

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List of Figures

Figure 1 Cluster Sites Layout................................................................................................13

Figure 2 Cluster Sites Layout on Google Earth Map.............................................................14

Figure 3 Cluster Drive Test Route.........................................................................................16

Figure 4 Cluster RSSI Before Optimization...........................................................................18

Figure 5 Cluster RSSI After Optimization..............................................................................19

Figure 6 Cluster CINR Before Optimization..........................................................................22

Figure 7 Cluster CINR After Optimization..............................................................................23

Figure 8 Cluster MCS Before Optimization...........................................................................26

Figure 9 Cluster MCS After Optimization..............................................................................27

Figure 10 Cluster Frequency Distribution Before Optimization..............................................34

Figure 11 Cluster Frequency Distribution After Optimization.................................................35

Figure 12 Coverage Percentage...........................................................................................36

Figure 13 Cluster RSSI Distribution......................................................................................45

Figure 14 Cluster CINR Distribution......................................................................................46

Figure 15 Cluster Simulation Result with Drive Test Result for RSSI....................................48

Figure 16 Cluster Simulation Result with Drive Test Result for CINR....................................49

Figure 17 Connection Setup Failure Distribution on RSSI Map.............................................51

Figure 18 Connection Setup Failure Distribution on CINR Map............................................52

Figure 19 FTP Download Dropped Distribution on RSSI Map...............................................53

Figure 20 FTP Download Dropped Distribution on CINR Map..............................................54

Figure 21 FTP Upload Dropped Distribution on RSSI Map...................................................55

Figure 22 FTP Upload Dropped Distribution on CINR Map...................................................56

Figure 23 FTP Download Throughput Distribution................................................................57

Figure 24 FTP Upload Throughput Distribution.....................................................................59

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Figure 25 FTP Download Handover Failure Distribution on RSSI Map.................................62

Figure 26 FTP Download Handover Failure Distribution on CINR Map.................................63

Figure 27 FTP Upload Handover Failure Distribution on RSSI Map......................................64

Figure 28 FTP Upload Handover Failure Distribution on CINR Map.....................................65

Figure 29 CPE Tx Power Distribution for Coverage test.......................................................66

Figure 30 Final Sites Information Table After Optimization....................................................70

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List of Tables

Table 1 Cluster Current Site Info before Optimization...........................................................12

Table 2 Cluster Status...........................................................................................................15

Table 3 Before Optimization PDF & CDF of RSSI.................................................................21

Table 4 After Optimization PDF & CDF of RSSI....................................................................22

Table 5 Before Optimization PDF & CDF for CINR...............................................................25

Table 6 After Optimization PDF & CDF for CINR...................................................................25

Table 7 Before Optimization PDF & CDF for MCS................................................................29

Table 8 After Optimization PDF & CDF for MCS...................................................................29

Table 9 Coverage Percentage...............................................................................................36

Table 10 Azimuth Adustment Table ......................................................................................37

Table 11 Antenna Downtilts Adjustment Information..............................................................37

Table 12 Neighbor Configuration after Optimization..............................................................44

Table 13 Handover Success Rate.........................................................................................44

Table 14 Network Entry Success Rate..................................................................................50

Table 15 RF Dropped Rate...................................................................................................52

Table 16 DL Dropped Rate....................................................................................................52

Table 17 UL Dropped Rate....................................................................................................54

Table 18 Average FTP Download Throughput.......................................................................56

Table 19 Percentage for FTP Download Throughput............................................................58

Table 20 Average FTP Upload Throughput...........................................................................59

Table 21 FTP Upload Throughput.........................................................................................60

Table 22 Handover Success Rate.........................................................................................61

Table 23 FTP Download Handover Statistics........................................................................61

Table 24 FTP Upload Handover Statistics.............................................................................64

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List of Charts

Chart 1 RSSI Bar Chart Before Optimization........................................................................20

Chart 2 RSSI Bar Chart After Optimization...........................................................................21

Chart 3 CINR Bar Chart Before Optimization........................................................................24

Chart 4 CINR Bar Chart After Optimization...........................................................................25

Chart 5 MCS Bar Chart Before Optimization.........................................................................28

Chart 6 MCS Bar Chart After Optimization............................................................................28

Chart 7 Average FTP Download Throughput........................................................................58

Chart 8 FTP Upload Throughput...........................................................................................60

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1 Executive Summary

This is the Cluster KPI, It includes Drive Test part and OMC Part.

1.1 KPI Summary

1.1.1 Drive Test KPI

The table shows the result from the Cluster Drive test:

Test Item KPI Name Target Test Result

CoverageRSSI >=-85dBm >= 90% 99.41%

CINR >=10dB >= 90% 90.85%

Network Entry Success Rate NESR >= 97% 98.05%

PSF Creation Success Rate PSFCSR >=95% 100.00%

RF Drop Rate RDR < 2.5% 2.15%

HO success rate HOSR >= 96% 100.00%

1.1.2 OMC Statistic KPI

The table shows the result from the OMC:

KPI Name Target Result

Connection Setup Success Rate >= 97% 99.3%

PSF Creation Success Rate >=95% 100%

RF Drop Rate < 2.5% 0.34%

Handover Success Rate >= 96% 97.15%

Network Entry Time (average)


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1.2 Event Summary

The Events Count

Network Access Attempt 616

Network Access Failuar 12

Service Flow Attempt 604

Service Flow Failuar 0

PSF Creation Successed 604

PSF Creation Dropped 13

Handover Attempt 279

Handover Failuar 0

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2 General

2.1 Cluster Sites Overview

Table 1 Cluster Current Site Info before Optimization

The distributing figure of BTS involved is as follows:

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SiteID Long LatCell

NameCluster

Frequency(MHz)

Preamble Index

ULPermBase

CurrentAzimuth

CurrentAntenna Height

CurrentElecTilt

CurrentMec. Tilt

DH17011 90.42332 23.7804 DH17011_A DH10 2590 5 5 0 25.3 2 0

DH17011 90.42332 23.7804 DH17011_B DH10 2600 37 5 120 26.3 2 3

DH17011 90.42332 23.7804 DH17011_C DH10 2610 69 5 240 26.3 2 0

DH17068 90.42637 23.79016 DH17068_A DH10 2590 8 8 0 24 2 0

DH17068 90.42637 23.79016 DH17068_B DH10 2600 40 8 120 24 2 3

DH17068 90.42637 23.79016 DH17068_C DH10 2610 72 8 240 27 2 3

DH17073 90.42301 23.7752 DH17073_A DH10 2590 12 12 30 26 2 0

DH17073 90.42301 23.7752 DH17073_B DH10 2600 44 12 120 26.1 2 3

DH17073 90.42301 23.7752 DH17073_C DH10 2610 76 12 240 23 2 3

DH17145 90.42892 23.79956 DH17145_A DH10 2590 17 17 0 24 2 3

DH17145 90.42892 23.79956 DH17145_B DH10 2600 47 17 100 24 2 0

DH17145 90.42892 23.79956 DH17145_C DH10 2610 81 17 200 24 2 2

DH17146 90.43102 23.79199 DH17146_A DH10 2590 9 9 20 24.5 2 0

DH17146 90.43102 23.79199 DH17146_B DH10 2600 41 9 100 24.5 2 6

DH17146 90.43102 23.79199 DH17146_C DH10 2610 73 9 240 24.5 2 5

DH17147 90.4316 23.78743 DH17147_A DH10 2590 16 16 0 24 2 3

DH17147 90.4316 23.78743 DH17147_B DH10 2600 48 16 100 24 2 0

DH17147 90.4316 23.78743 DH17147_C DH10 2610 80 16 240 24 2 4

DH17102 90.42283 23.78552 DH17102_A DH10 2590 7 7 0 24 2 6

DH17102 90.42283 23.78552 DH17102_B DH10 2600 39 7 120 25 2 3

DH17102 90.42283 23.78552 DH17102_C DH10 2610 71 7 240 25 2 4

DH17074 90.42852 23.7842 DH17074_A DH10 2590 10 10 0 25 2 3

DH17074 90.42852 23.7842 DH17074_B DH10 2600 32 10 120 23 2 2

DH17074 90.42852 23.7842 DH17074_C DH10 2610 74 10 260 25 2 3

DH17151 90.42798 23.77317 DH17151_A DH10 2590 13 13 20 25 2 0

DH17151 90.42798 23.77317 DH17151_B DH10 2600 45 13 140 25 2 0

DH17151 90.42798 23.77317 DH17151_C DH10 2610 77 13 230 25 2 0

DH17071 90.4266 23.79469 DH17071_A DH10 2590 27 59 0 31 2 3

DH17071 90.4266 23.79469 DH17071_B DH10 2600 59 59 120 30 2 3

DH17071 90.4266 23.79469 DH17071_C DH10 2610 91 59 230 31 2 3

DH17149 90.42896 23.77807 DH17149_A DH10 2590 11 11 0 26 2 3

DH17149 90.42896 23.77807 DH17149_B DH10 2600 43 11 120 24.5 2 3

DH17149 90.42896 23.77807 DH17149_C DH10 2610 75 11 240 26 2 3


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Figure 1 Cluster Sites Layout

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The Google Earth distributing figure of BTS involved is as follows:

Figure 2 Cluster Sites Layout on Google Earth Map

2.2 Information

Name Software Ver. Function Set Provider

CNT1 V7.7 Drive Test Tool 2

CNA1 V7.7 Post-Processing Tool 2

AX226 Test Terminal 2

CAR For Drive Test 1

GPS For Drive Test 2

Laptop For Drive Test 2

WBS 3.33 P02

The type of network: WiMAX

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Usable Frequency: 2590MHz, 2600MHz, 2610MHz

Optimization scope: Badda DH10

Morphology: Dense Urban Area

Cluster status

Cluster Total number of site Number of Site on air

DH10 11 11

Table 2 Cluster Status

All Tests should be done on active mode.

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3 Cluster Drive Test Route

Figure 3 Cluster Drive Test Route

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4 Cluster Optimization

The purpose of cluster coverage optimization is mainly to improve the signal coverage of sites or

to control the overshooting of signal and reduce co-frequency interference.

4.1 RSSI Result Before and After Optimization

Figure 4 Cluster RSSI Before Optimization

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Figure 5 Cluster RSSI After Optimization

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Chart 1 RSSI Bar Chart Before Optimization

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Chart 2 RSSI Bar Chart After Optimization

The following table shows the Cumulative Density Function (CDF) and Probability DensityFunction for RSSI:

RSSI(dBm) Count PDF(%) CDF(%)

(+INF, -65] 1487 52.71 52.71

(-65, -75] 950 33.68 86.39

(-75, -80] 237 8.4 94.79

(-80, -85] 127 4.5 99.29

(-85, -90] 19 0.67 99.96

(-90, -95] 1 0.04 100

(-95, -INF) 0 0 100

Table 3 Before Optimization PDF & CDF of RSSI

The following table shows the Cumulative Density Function (CDF) and Probability Density Function forRSSI:

RSSI(dBm) Count PDF(%) CDF(%)

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(+INF, -65] 1743 50.8 50.8

(-65, -75] 1354 39.48 90.28

(-75, -80] 251 7.32 97.6

(-80, -85]62 1.81 99.41

(-85, -90] 15 0.44 99.85

(-90, -95] 3 0.09 99.94

(-95, -INF) 2 0.06 100

Table 4 After Optimization PDF & CDF of RSSI

4.2 CINR Result Before and After Optimization

Figure 6 Cluster CINR Before Optimization

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Figure 7 Cluster CINR After Optimization

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Chart 3 CINR Bar Chart Before Optimization

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Chart 4 CINR Bar Chart After Optimization

The following table shows the Cumulative Density Function (CDF) and Probability Density Function forCINR:

CINR Count PDF(%) CDF(%)(+INF, 30] 447 15.85 15.85

(30, 25] 433 15.35 31.2

(25, 20] 479 16.98 48.18

(20, 15] 601 21.29 69.47

(15, 10] 482 17.09 86.56

(10, 5] 286 10.14 96.7

(5, -INF) 93 3.3 100

Table 5 Before Optimization PDF & CDF for CINR

The following table shows the Cumulative Density Function (CDF) and Probability Density Function forCINR:

CINR Count PDF(%) CDF(%)

(+INF, 30] 437 12.74 12.74

(30, 25] 521 15.19 27.93

(25, 20] 669 19.5 47.43

(20, 15] 852 24.85 72.28

(15, 10] 637 18.57 90.85(10, 5] 267 7.78 98.63

(5, -INF) 47 1.37 100

Table 6 After Optimization PDF & CDF for CINR

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4.3 MCS Distribution Before & After Optimization

Figure 8 Cluster MCS Before Optimization

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Figure 9 Cluster MCS After Optimization

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Chart 5 MCS Bar Chart Before Optimization

Chart 6 MCS Bar Chart After Optimization

The following table shows the Cumulative Density Function (CDF) and Probability Density Function for

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MCS:

MCS Count PDF(%) CDF(%)

QPSK 1/2 30740 27.94 27.94

QPSK 3/4 11452 10.41 38.35

16QAM 1/2 11000 10 48.35

16QAM 3/4 20027 18.2 66.55

64QAM 2/3 8594 7.81 74.36

64QAM 3/4 28096 25.53 99.89

64QAM 5/6 1 0 99.89

Table 7 Before Optimization PDF & CDF for MCS

The following table shows the Cumulative Density Function (CDF) and Probability Density Function for

MCS:MCS Count PDF(%) CDF(%)

QPSK 1/2 14364 25.89 25.89

QPSK 3/4 7549 13.61 39.5

16QAM 1/2 7935 14.3 53.8

16QAM 3/4 9545 17.21 71.01

64QAM 2/3 4537 8.18 79.19

64QAM 3/4 11536 20.79 99.98

64QAM 5/6 0 0 99.98

Table 8 After Optimization PDF & CDF for MCS

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4.4 Preamble Result Before and After Optimization

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i) Before Optimization

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ii) After Final Optimization

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4.5 Frequency Distribution Before & After Optimization

Figure 10 Cluster Frequency Distribution Before Optimization

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Figure 11 Cluster Frequency Distribution After Optimization

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4.6 Coverage Percentage

Figure 12 Coverage Percentage

Quadrant Sample Count Percentage Issue Legend

RSSI-85dBm; CINR10dB 51742 93.27% Good Coverage

RSSI-85dBm; CINR


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4.7 Cluster Physical Adjustment

Site Information BeforeOptimization

AfterOptimization

Sector ID Latitude Longitude AntennaBearing

AntennaBearing

DH17145-1 23.79956 90.42892 120 100

DH17145-2 23.79956 90.42892 240 200

DH17151-0 23.77317 90.42798 0 20

DH17151-1 23.77317 90.42798 100 140

DH17146-0 23.79199 90.43102 0 20

DH17146-1 23.79199 90.43102 120 100

DH17147-1 23.78743 90.4316 120 100

DH17073-0 23.7752 90.42301 0 30

DH17342-1 23.79203 90.41975 90 80

Phase2: (second time optimization action)DH17071-2 23.79469 90.4266 280 230

DH17071-0 23.79469 90.4266 30 0

DH17143-2 23.79999 90.42358 240 230

Table 10 Azimuth Adustment Table

Adjust the Sector antenna downtilts according to the following table mainly to control these

sectors signal overshooting and avoid the co-frequency interference of WiMAX network in the Cluster.

Site Information BeforeOptimization

AfterOptimization

Sector ID Latitude Longitude AntennaDowntilt()

AntennaDowntilt()

DH17145-1 23.79956 90.42892 3 0

DH17145-2 23.79956 90.42892 3 2

DH17151-0 23.77317 90.42798 3 0

DH17151-1 23.77317 90.42798 3 0

DH17146-0 23.79199 90.43102 3 0

DH17146-1 23.79199 90.43102 3 6

DH17146-2 23.79199 90.43102 3 5

DH17147-1 23.78743 90.4316 3 0

DH17011-0 23.7804 90.42332 4 0DH17011-2 23.7804 90.42332 2 0

DH17073-0 23.7752 90.42301 3 0

DH17068-0 23.79016 90.42637 3 0

DH17342-1 23.79203 90.41975 4 0

DH17143-1 23.79999 90.42358 3 0

DH17143-2 23.79999 90.42358 3 0

DH17102-0 23.78552 90.42283 3 6

DH17077-1 23.77824 90.41735 2 0

Table 11 Antenna Downtilts Adjustment Information

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4.8 Antenna Height, Azimuth & Tilt adjustment Reason Analysis

4.8.1 Region 1(DH17143/DH17342/DH17002)

Before Optimization

Adjustment

1. Change DH17342B azimuth from 90 to 80Change DH17342B down tilt from 4 to 0

2. Change DH17143C down tilt from 3 to 0

3. Add the neighbor relationship DH17342B with DH17143C

4. Add the neighbor relationship DH17342A with DH17143C

After Optimization

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4.8.2 Region 2 (DH17145/DH17146)

Before Optimization

Adjustment

1. Change DH17145C azimuth from 240 to 200Change DH17145C down tilt from 3 to 2

2. Change DH17146A azimuth from 0 to 20Change DH17146A down tilt from 3 to 0

3. Add the neighbor relationship DH17145B with DH17146A

4. Add the neighbor relationship DH17145C with DH17146A

After Optimization

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4.8.3 Region 3(DH17011/DH17073/17077)

Before Optimization

Adjustment

1. Change DH17073A azimuth from 0 to 30Change DH17073A down tilt from 3 to 0

2. Change DH17077B down tilt from 2 to 0

3. Change DH17011C down tilt from 2 to 0

After Optimization

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4.8.4 Region 4 (DH17151)

Before Optimization

Adjustment

1. Change DH17151A azimuth from 0 to 20

2. Change DH17151A down tilt from 3 to 0

3. Change DH17151B azimuth from 100 to 140

4. Change DH17151B down tilt from 3 to 0

After Optimization

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5 Cluster Optimization

5.1 Neighbor Optimization

Here lists the Neighbor update configuration of all the sites in the Cluster after RF optimization

adjustment:

Sourse Target Remark

17146C 17068A Add

17146C 17147A Add

17146B 17147A Add

17068A 17342B Add

17068A 17146C Add17068B 17146C Add

17143B 17145C Add

17143C 17342B Add

17143C 17342A Add

17143C 17068A Add

17147C 17074A Add

17147C 17102B Add

17145B 17146A Add

17145C 17068A Add

17145C 17342A Add

17145C 17342B Add

17145C 17146A Add

17074A 17147B Add

17151C 17151B Add

17011B 17073A Add

17077B 17073A Add

17068A 17146C Add

17147A 17146C Add

17147A 17146B Add

17342B 17068A Add

17146C 17068A Add17146C 17068B Add

17145C 17143B Add

17342B 17143C Add

17342A 17143C Add

17068A 17143C Add

17074A 17147C Add

17102B 17147C Add

17146A 17145B Add

17068A 17145C Add

17342A 17145C Add

17342B 17145C Add

17146A 17145C Add

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17147B 17074A Add

17151B 17151C Add

17073A 17011B Add

17073A 17077B Add

Table 12 Neighbor Configuration after Optimization

Cl uster_DH10_NBRchange l og. xl s

The following table shows the breakdown for handover success rate after optimization:

KPI NameTotal

HandoverSuccess

TotalHandoverAttempt

Target Result

Handover Success Rate before Optimization 242 246 >= 96% 98.37%

Handover Success Rate after Optimization 323 323 >= 96% 100.00%

Table 13 Handover Success Rate

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5.2 Cluster Coverage after Final Optimization

5.2.1 RSSI Distribution

Figure 13 Cluster RSSI Distribution

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5.2.2 CINR Distribution

Figure 14 Cluster CINR Distribution

5.3 Observations and Comments

Plots

NOEvent BSID

Preamble

IndexReason Solution Result

1 Access Fail 0x00005b17145b 49 Low CINR Re-test OK

2 Access Fail 0x00005b17011b 37 Abnormal Event Re-test OK


4 Access Fail 0x00005b17203a 102 Low CINR Re-test OK

5 Access Fail 0x00005b17074c 74 Abnormal Event Re-test OK



8 Access Fail 0x00005b17151a 13 Abnormal Event Re-test OK





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13 Drop 0x00005b17074c 74 Abnormal Event Re-test OK

14 Drop 0x00005b17068a 8Terminal's abnornal

behaviorRe-test OK


16 Drop 0x00005b17342b 62 Low CINR Re-test OK

17 Drop 0x00005b17068a 8 Abnormal Event Re-test OK

18 Drop 0x00005b17147a 16Terminal's abnornal

behaviorRe-test OK

19 Drop 0x00005b17073b 44 Abnormal Event Re-test OK


21 Drop 0x00005b17102b 39 Abnormal Event Re-test OK

22 Drop 0x00005b17102c 71Terminal's abnornal

behaviorRe-test OK




Cl uster_DH10_short cal l event Anal

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6 Simulation for RSSI & CINR After

Optimization Cluster Drive Test

Figure 15 Cluster Simulation Result with Drive Test Result for RSSI

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Figure 16 Cluster Simulation Result with Drive Test Result for CINR

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7 FTP Data Transfer Test Verification after

OptimizationTest Item KPI Name Target Test Result

FTP DL

DL Throughput (kbps) >=1024kbps*85% 948.5

RF Drop Times - 1

HO success rate >=96% 100.00%

FTP UL

UL Throughput (kbps) >=256kbps*75% 239.08

RF Drop Times - 5

HO success rate >= 96% 100.00%

Note:

1. This only for functional test after optimization, if anything beyond on target

ZTE will provide proper justification with explanation by approved BCL.

2. Cluster DT Profile will be 1Mbps package.

7.1 Network Entry Success Rate

KPI Name Setup SuccessNumber Total SetupNumber Target Result

Network Entry SuccessRate

7 7 100.0%

Table 14 Network Entry Success Rate

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7.1.1 Connection Setup Distribution on RSSI Map

Figure 17 Connection Setup Failure Distribution on RSSI Map

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7.1.2 Connection Setup Distribution on CINR Map

Figure 18 Connection Setup Failure Distribution on CINR Map

7.2 RF Dropped Rate

The follow table shows the breakdown for RF dropped rate:

KPI Name Total Connection Loss

FTP DL Dropped Times 1

FTP UL Dropped Times 5

Table 15 RF Dropped Rate

7.2.1 FTP Download Dropped Rate


FTP DL Dropped Times 1

Table 16 DL Dropped Rate

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The following figure shows the Dropped distribution on RSSI map during FTP download test.

Figure 19 FTP Download Dropped Distribution on RSSI Map

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The following figure shows the connection loss distribution on CINR map during FTP download test.

Figure 20 FTP Download Dropped Distribution on CINR Map

7.2.2 FTP Upload Dropped Rate


FTP UL Dropped Times 5

Table 17 UL Dropped Rate

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The following figure shows the Dropped distribution on RSSI during FTP upload test.

Figure 21 FTP Upload Dropped Distribution on RSSI Map

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The following figure shows the connection loss distribution on CINR map during FTP upload test.

Figure 22 FTP Upload Dropped Distribution on CINR Map

7.3 Average FTP Download Throughput

The following table shows average FTP download throughput test result:


Average FTP Download Throughput(Kbps) - 948.5

Table 18 Average FTP Download Throughput

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7.4 FTP Download Throughput Distribution

Figure 23 FTP Download Throughput Distribution

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The follow figure shows for FTP download throughput:

Chart 7 Average FTP Download Throughput

DLThroughput(Kbps) Count Percentage(%)

(+INF, 1024] 60 1.75

(1024, 960] 2282 66.53

(960, 512] 1047 30.52

(512, 256] 11 0.32

(256, 128] 4 0.12

(128, -INF) 26 0.76

Table 19 Percentage for FTP Download Throughput

7.5 Average FTP Upload ThroughputThe follow table shows average FTP upload throughput test result:

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Average FTP Upload Throughput(Kbps) - 239.08

Table 20 Average FTP Upload Throughput

7.6 FTP Upload Throughput Distribution

Figure 24 FTP Upload Throughput Distribution

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The follow figure shows for FTP upload throughput:

Chart 8 FTP Upload Throughput

The follow table shows for FTP upload throughput:

UL Throughput (Kbps) Count Percentage(%)

(+INF, 256) 1885 57.24

[256, 128) 1151 34.95

[128, 64) 185 5.62

[64, -INF) 72 2.19

Table 21 FTP Upload Throughput

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7.7 Handover Success Rate

The following table shows the breakdown for handover success rate:

KPI Name

Total

HandoverSuccess

Total

HandoverAttempt

Target Result

FTP UL Handover Success Rate 331 331 >= 96% 100.00%

FTP DL Handover Success Rate 323 323 >= 96% 100.00%

Table 22 Handover Success Rate

7.7.1 FTP Download Handover Success Rate

KPI NameTotal

HandoverFailure

TotalHandoverSuccess

Total HandoverAttempt

Target Result

FTP DL HandoverSuccess Rate

0 323 323 >= 96% 100.00%

Table 23 FTP Download Handover Statistics

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The following table shows the download handover failure distribution on RSSI map

Figure 25 FTP Download Handover Failure Distribution on RSSI Map

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The following table shows the download handover failure distribution on CINR map

Figure 26 FTP Download Handover Failure Distribution on CINR Map

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7.7.2 FTP Upload Handover Success Rate

KPI NameTotal

HandoverFailure

TotalHandoverSuccess

TotalHandoverAttempt

Target Result

FTP UL Handover SuccessRate

0 331 331 >= 96% 100.00%

Table 24 FTP Upload Handover Statistics

The following table shows the upload handover failure distribution on RSSI Map

Figure 27 FTP Upload Handover Failure Distribution on RSSI Map

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The following table shows the upload handover failure distribution on CINR Map

Figure 28 FTP Upload Handover Failure Distribution on CINR Map

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7.7.3 CPE Tx Power Distribution After Optimization

Figure 29 CPE Tx Power Distribution for Coverage test

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8 Observations and Comments

Plots NO Event BSIDPreamble


FTP-Download Event

1 Drop0x00005b1710

2c71 Abnormal Event Re-test OK

Plots NO Event BSIDPreamble


FTP-Upload Event

1AccessFail

0x00005b17260c

80 Weak CoverageNeed New

Site

2 Drop0x00005b1715

1a13 Low CINR Re-test OK

3 Drop0x00005b1715

1b 43 Weak CoverageNeed New

Site

4 Drop0x00005b1714

9b43 Weak Coverage

Need NewSite

5 Drop0x00005b1714

9a11 Abnormal Event Re-test OK

6 Drop0x00005b1734

2b62 Low CINR Re-test OK

Cl uster_DH10_FTPevent Anal ysi s. xl

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9 Suggestion

New Site Location:

NewSite

Longitude Latitude Frequency Azimuth

Sector0 90.434226 23.775441 2590 0

Sector1 90.434226 23.775441 2600 120

Sector2 90.434226 23.775441 2610 240

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Appendix A

A.1 Neighbor Configuration List

DH10_Nbrl i st. xl s

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A.2 Complete Sites Information After Optimization

Figure 30 Final Sites Information Table After Optimization

Cl uster_DH10_BSi nfo. xl sx

A.3 Directory of the CD

There are 7 folders in the root directory of the CD:1. Acceptance Test Log File

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SiteID Long LatCell

Name

ClusterFrequency

(MHz)

Preambl

e Index

ULPerm

Base

Current

Azimuth

CurrentAntenn

a Height

Current

ElecTilt

Current

Mec. Tilt

DH17011 90.42332 23.7804 DH17011_A DH10 2590 5 5 0 25.3 2 0

DH17011 90.42332 23.7804 DH17011_B DH10 2600 37 5 120 26.3 2 3

DH17011 90.42332 23.7804 DH17011_C DH10 2610 69 5 240 26.3 2 0

DH17068 90.42637 23.79016 DH17068_A DH10 2590 8 8 0 24 2 0

DH17068 90.42637 23.79016 DH17068_B DH10 2600 40 8 120 24 2 3

DH17068 90.42637 23.79016 DH17068_C DH10 2610 72 8 240 27 2 3

DH17073 90.42301 23.7752 DH17073_A DH10 2590 12 12 30 26 2 0

DH17073 90.42301 23.7752 DH17073_B DH10 2600 44 12 120 26.1 2 3

DH17073 90.42301 23.7752 DH17073_C DH10 2610 76 12 240 23 2 3

DH17145 90.42892 23.79956 DH17145_A DH10 2590 17 17 0 24 2 3DH17145 90.42892 23.79956 DH17145_B DH10 2600 47 17 100 24 2 0

DH17145 90.42892 23.79956 DH17145_C DH10 2610 81 17 200 24 2 2

DH17146 90.43102 23.79199 DH17146_A DH10 2590 9 9 20 24.5 2 0

DH17146 90.43102 23.79199 DH17146_B DH10 2600 41 9 100 24.5 2 6

DH17146 90.43102 23.79199 DH17146_C DH10 2610 73 9 240 24.5 2 5

DH17147 90.4316 23.78743 DH17147_A DH10 2590 16 16 0 24 2 3

DH17147 90.4316 23.78743 DH17147_B DH10 2600 48 16 100 24 2 0

DH17147 90.4316 23.78743 DH17147_C DH10 2610 80 16 240 24 2 4

DH17102 90.42283 23.78552 DH17102_A DH10 2590 7 7 0 24 2 6

DH17102 90.42283 23.78552 DH17102_B DH10 2600 39 7 120 25 2 3

DH17102 90.42283 23.78552 DH17102_C DH10 2610 71 7 240 25 2 4

DH17074 90.42852 23.7842 DH17074_A DH10 2590 10 10 0 25 2 3

DH17074 90.42852 23.7842 DH17074_B DH10 2600 32 10 120 23 2 2

DH17074 90.42852 23.7842 DH17074_C DH10 2610 74 10 260 25 2 3

DH17151 90.42798 23.77317 DH17151_A DH10 2590 13 13 20 25 2 0

DH17151 90.42798 23.77317 DH17151_B DH10 2600 45 13 140 25 2 0

DH17151 90.42798 23.77317 DH17151_C DH10 2610 77 13 230 25 2 0

DH17071 90.4266 23.79469 DH17071_A DH10 2590 27 59 0 31 2 3

DH17071 90.4266 23.79469 DH17071_B DH10 2600 59 59 120 30 2 3

DH17071 90.4266 23.79469 DH17071_C DH10 2610 91 59 230 31 2 3

DH17149 90.42896 23.77807 DH17149_A DH10 2590 11 11 0 26 2 3

DH17149 90.42896 23.77807 DH17149_B DH10 2600 43 11 120 24.5 2 3

DH17149 90.42896 23.77807 DH17149_C DH10 2610 75 11 240 26 2 3


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2. Acceptance Report3. Optimization Change Log4. Site Configuration List5. Drive Test Route6. KML for all test log files

7. Simulation Plot for RSSI & CINR on MapInfo

Documents

WiMAX Cluster Cluster Optimization Report