(2009.12.22) 3G Technical Communication (KPI Part)

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

Security Level:

47pt

www.huawei.com

3G Technical Communication –

KPI Part

Zain Tanzania 2G/3G Modernization Project

Dec 22nd, 2009


A Wonderful World

KPI Comparison for Cluster1 (Partially Matching)

0.24-HSUPA Service Drop Ratio %

0.304.61HSDPA Service Drop Rate %

0.342.51PS R99 Service Drop Rate %

0-Video Call Drop Rate %

0.711.96CS AMR Call Drop Rate %

99.9199.97Soft Handover Success Rate %

99.83-HSUPA RAB CSSR %

99.6393.20HSDPA RAB CSSR %

99.4189.39PS R99 RAB CSSR %

99.62-Video Call RAB CSSR %

99.8199.30AMR RAB CSSR %

99.8699.15RRC CSSR %

55772950HSDPA RLC Traffic Volume (MB)

1336MB/Day527MB/DayPS R99 (Interactive)

0.05-VP DL /BH (Erlang)

39.90.76 AMR DL12.2 /BH (Erlang)

Huawei after SwapALU before Swap

� Traffic is bigger than the previous


A Wonderful World

KPI Comparison for Cluster2 (Partially Matching)

0.680.63HSUPA Service Drop Ratio %

0.846.16HSDPA Service Drop Rate %

0.922.01PS R99 Service Drop Rate %

0.551.85Video Call Drop Rate %

0.682.56CS AMR Call Drop Rate %

99.8999.17Soft Handover Success Rate %

99.5510.54HSUPA RAB CSSR %

99.2044.94HSDPA RAB CSSR %

99.0696.74PS R99 RAB CSSR %

99.4599.25Video Call RAB CSSR %

99.809.32AMR RAB CSSR %

99.7299.56RRC CSSR %

1801312964 HSDPA RLC Traffic Volume (MB)

4705MB/Day662 MB/DayPS R99 (Interactive)

0.050.01VP DL /BH (Erlang)

39.0611.94 AMR DL12.2 /BH (Erlang)

Huawei after SwapEricsson before Swap

� Traffic is bigger than the previous


A Wonderful World

� Traffic volume & throughput are both increasing

3G Traffic Trend

Traffic Trend

0

5000

10000

1500020000

25000

30000

35000

40000

2-Dec

3-Dec

4-Dec

5-Dec

6-Dec

7-Dec

8-Dec

9-Dec

10-Dec

11-Dec

12-Dec

13-Dec

14-Dec

15-Dec

16-Dec

17-Dec

MB

0

200

400

600800

1000

1200

1400

1600

Erl

HSDPA RLC Traffic Volume (MB) AMR 12.2 [Erlang]

Throughput Trend (kbps)

0

5001000

1500

2000

25003000

3500

4000

2-Dec

3-Dec

4-Dec

5-Dec

6-Dec

7-Dec

8-Dec

9-Dec

10-Dec

11-Dec

12-Dec

13-Dec

14-Dec

15-Dec

16-Dec

17-Dec

PS R99 DL Throughput(kbps) HSDPA DL Throughput(kbps)


A Wonderful World

� Uplink CE is consumed more than Downlink

� CE is congested in site Mikochani (84 CE Requested)

CE Utilization

Download from FTP Server - Achieved around 4.8Mbps peak throughput


A Wonderful World

� Iub bandwidth is assumed more than 70% for site Sinza & Tandale

Iub Bandwidth Utilization

0%

10%

20%

30%

40%

50%

60%

70%

80%

Sinza

Tandale

Survey

Makongo

DIT

Mikocheni_B

Masaki_TPDF

Millenium_Tower

Ilala

Masaki_Chole

Mikocheni

Msasani_TTCL

Lugalo

Aga_Kahn

Kijitonyama

Regent_Estate

Clock_Tower

Tanzania_Printers

Posta_house

Upanga

Jangwani

Kisutu

Oysterbay

Kinondoni_RSU

Temeke_RSU

Stadium

Tambaza

Laibon

Pugu_Road

Kijichi

Congo_Street

Kawe

IBS_Celtel_HQ

Msimbazi

Leaders_Club

Kivukoni

Kijiweni

JM_Mall_IBS

Hifadhi_House

Kariakoo_Mzizima

Holiday_INN

Changombe

Ubungo_Exchange

Kariako_Exchange

Sukita

Royal_Palm_IBS

Mandela_Road

Magomeni

IBS_Millenium

0

1

2

3

4

Average UL Iub Bandwidth Utilizing Ratio Average DL Iub Bandwidth Utilizing Ratio E1 Capacity


A Wonderful World


E1 Capcity

52%

21%

24%

3%

1 E1

2 E1

3 E1

4 E1


16%

34%

50%

x>50%

30%<x<50%

x<30%

� 52% sites are only configured with 1 E1

� Iub bandwidth utilization of 50% sites is less than 30%


A Wonderful World

Recommendation

• Feb 2010

� After CE expansion from 64 to 128, more 2G traffic can be pushed

to 3G layer with better end-user-experience

• End of 2010

� Software upgrade 1 additional TRX (1 for call, 1 for HSPA), in

order to carry on traffic from 1800MHz band of 2G (due to

frequency reduction)


A Wonderful World

Looking Forward to Hearing from You

Thank You

(2009.12.22) 3G Technical Communication (KPI Part)

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