hsupa 2ms optimization-tti optimize -phase 4 day 7 report v1.0

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www.huawei.com Security Level: HUAWEI TECHNOLOGIES CO., LTD. [TS0009] HSUPA 2ms optimization- TTI Optimization Day 7 report

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HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

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Page 1: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

www.huawei.com

Security Level:

HUAWEI TECHNOLOGIES CO., LTD.

[TS0009] HSUPA 2ms optimization- TTI OptimizationDay 7 report

Page 2: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 2Huawei proprietary. No spread without permission.

Summary Trial Summary

E2D is only for accessing mode by EcNo measurement, enable TTI switching based on coverage with connected mode to replace E2D

Change the TTI 10ms to 2ms throughput threshold from 710kbps to 1136kbps, TTI 2ms to 10ms throughput threshold from 326kbps to 520kbps,

Trial activated at early morning 6th Nov on GTRH2. The strategy can benefit overall DCR a bit but priced the about 13% loss of HSUPA user,

because disabling of E2D on connected mode results at DCH->HSUPA as well. HSDPA DCR improved only from 0.318% to 0.305% The scenario of UL R99/HSDPA is still the majority in poor coverage.

Huawei Comment This phase trial did not change the trend that UL R99/HSDPA is still

the major scenario of PS drop call. It is not suitable for rollout. Huawei is about to look at the SRBoD subset function which is able

to set up SRBoE for TTI 2ms and SRBoD for TTI 10ms attempting to remain the 2ms high throughput.

Page 3: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 3Huawei proprietary. No spread without permission.

Main Activity on GTRH21. 8th 07: HSUPA 2ms Activation

2. 9th 07: CS + 64/HSDPA

3. 20th 08: 2ms PO optimization

4. 27th 08: 4A event

5. 3rd 09: E2D optimization

6. 28th 09: Disabling SRB over EDCH

7. 5th 11: TTI Optimizing

Page 4: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 4Huawei proprietary. No spread without permission.

HSPA DCR

HSDPA DCR: improved from 0.318% to 0.305%

HSUPA DCR: Not much change Before 0.154% Post 0.158%

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HSPA DCR

GTRH2 - Sum of VHA_Drop Rate for HSDPA GTRH2 - Sum of VHA_HSUPA Drop Rate

6th Nov: TTIOptimize

28th Sep: Disabling SRB over EDCH

03th Sep: E2D Optimize

20th Aug: PO Optimize

27th Aug: ChannelSwitch

8th Jul: 2ms activated

9th Jul: CS+64/HSDPA

Page 5: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 5Huawei proprietary. No spread without permission.

HSPA/DCH User Number - 1

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HSPA/DCH User Number

GTRH2 - Sum of VHA_HSDPA User Number GTRH2 - Sum of VHA_HSUPA User Number GTRH2 - Sum of VS.CellDCHUEs

Overall DCH and HSDPA user have no obvious trend. But HSUPA decreased significantly.

Page 6: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 6Huawei proprietary. No spread without permission.

HSPA/DCH User Number - 2

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GTRH2 - Sum of VS.HSDPA.UE.Mean.Cell GTRH2 - Sum of VS.HSUPA.UE.Mean.Cell

03thSep: E2D Optimizing

06thNov: TTI Optimizing

HSUPA user decreased 10% after E2D optimizing; HSUPA user decreased 26.8% after this timeTurning off E2D of connected mode is leading that those UL User which only configured with UL DCH while connecting setup can not up switch to HSUPA by E2D function in connected mode.

Page 7: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 7Huawei proprietary. No spread without permission.

HSUPA Per User throughput and Volume

Total traffic HSUPA volume reduced along with the decrease of HSUPA user, it is not good for user experience

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Per User Throughput & HSUPA Traffic Volumn

GTRH2 - Average of VS.HSUPA.MeanChThroughput.TotalBytes GTRH2 - Average of VS.HSUPA.MeanChThroughput

Page 8: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 8Huawei proprietary. No spread without permission.

HSUPA 10ms&2ms TTI Switch Attempt

About 1% of total HSUPA user applied TTI 2ms to 10ms TTI , but few of 10ms to TTI 2ms

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10ms&2ms TTI Attempt

GTRH2 - Sum of VS.HSUPA.TTI10to2.Att GTRH2 - Sum of VS.HSUPA.TTI2to10.Att

Page 9: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 9Huawei proprietary. No spread without permission.

Deep ViewThe percentage of HSUPA TTI switching=(The sum of TTI 2ms to TTI 10ms) / (The sum of HSDPA calling):Before: 0.3%After: 0.6%The percentage of HSUPA/HSDPA=(The sum of HSUPA calling) / (The sum of HSDPA calling):Before: 75%After: 63.2%The percentage of UL R99/HSDPA=1-(The sum of HSUPA calling) / (The sum of HSDPA calling):Before: 25%After: 36.8%This phase trial did not change the fact that UL R99/HSDPA is still the major scenario of PS drop call.

Note: the sum of HSDPA calling remains all most same BEFORE/AFTER, delta is less than 1%.

Before After DeltaThe Ave of HSDPA Calling 29449635.83 29152304.17 -1%The Ave of HSUPA Calling 22100941.33 18421088.17 16%The Ave of UL R99 Calling 7348694.5 10731216 46.03%The Weight of UL R99/HSDPA 24.95% 36.81% 47.52%The Ave of HSUPA/HSDPA Call Drop 33960.83333 29247 -13.88%The Ave of UL R99/HSDPA Call Drop 59632.16667 59597.16667 -0.06%The Weight of HSUPA/HSDPA Call Drop 36.29% 32.92% -9.28%The Weight of UL R99/HSDPA Call Drop 63.71% 67.08% 5.28%

Page 10: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 10Huawei proprietary. No spread without permission.

3G RRC Success Rate

No affection to 3G RRC Success Rate

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GTRH2

Page 11: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 11Huawei proprietary. No spread without permission.

3G Voice Call Setup Rate

No affection to 3G RRC Success Rate

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GTRH2

Page 12: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 12Huawei proprietary. No spread without permission.

3G voice call setup DCR

No affection to 3G voice DCR. A slight DCR descend trend of improvement occurred around 2th Nov.

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Page 13: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 13Huawei proprietary. No spread without permission.

Setup success rate for R99 NRT

No affection to setup success rate for NRT

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GTRH2

Page 14: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 14Huawei proprietary. No spread without permission.

Drop rate for R99 NRT

No affection DCR R99 NRT

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2012

06/2

5/20

1206

/28/

2012

07/0

1/20

1207

/04/

2012

07/0

7/20

1207

/10/

2012

07/1

3/20

1207

/16/

2012

07/1

9/20

1207

/22/

2012

07/2

5/20

1207

/28/

2012

07/3

1/20

1208

/03/

2012

08/0

6/20

1208

/09/

2012

08/1

2/20

1208

/15/

2012

08/1

8/20

1208

/21/

2012

08/2

4/20

1208

/27/

2012

08/3

0/20

1209

/02/

2012

09/0

5/20

1209

/08/

2012

09/1

1/20

1209

/14/

2012

09/1

7/20

1209

/20/

2012

09/2

3/20

1209

/26/

2012

09/2

9/20

1210

/02/

2012

10/0

5/20

1210

/08/

2012

10/1

1/20

1210

/14/

2012

10/1

7/20

1210

/20/

2012

10/2

3/20

1210

/26/

2012

10/2

9/20

1211

/01/

2012

11/0

4/20

1211

/07/

2012

11/1

0/20

12

GTRH2

Page 15: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 15Huawei proprietary. No spread without permission.

Multi-RAB (AMR+NRT) Set-up success rate

No affection to setup success rate for Multi-RAB

98.4

98.6

98.8

99

99.2

99.4

99.6

99.8

100

06/0

1/20

1206

/04/

2012

06/0

7/20

1206

/10/

2012

06/1

3/20

1206

/16/

2012

06/1

9/20

1206

/22/

2012

06/2

5/20

1206

/28/

2012

07/0

1/20

1207

/04/

2012

07/0

7/20

1207

/10/

2012

07/1

3/20

1207

/16/

2012

07/1

9/20

1207

/22/

2012

07/2

5/20

1207

/28/

2012

07/3

1/20

1208

/03/

2012

08/0

6/20

1208

/09/

2012

08/1

2/20

1208

/15/

2012

08/1

8/20

1208

/21/

2012

08/2

4/20

1208

/27/

2012

08/3

0/20

1209

/02/

2012

09/0

5/20

1209

/08/

2012

09/1

1/20

1209

/14/

2012

09/1

7/20

1209

/20/

2012

09/2

3/20

1209

/26/

2012

09/2

9/20

1210

/02/

2012

10/0

5/20

1210

/08/

2012

10/1

1/20

1210

/14/

2012

10/1

7/20

1210

/20/

2012

10/2

3/20

1210

/26/

2012

10/2

9/20

1211

/01/

2012

11/0

4/20

1211

/07/

2012

11/1

0/20

12

GTRH2

Page 16: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 16Huawei proprietary. No spread without permission.

Multi-RAB (AMR+NRT) Drop Rate

No affection to drop rate for Multi-RAB

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

06/0

1/20

1206

/04/

2012

06/0

7/20

1206

/10/

2012

06/1

3/20

1206

/16/

2012

06/1

9/20

1206

/22/

2012

06/2

5/20

1206

/28/

2012

07/0

1/20

1207

/04/

2012

07/0

7/20

1207

/10/

2012

07/1

3/20

1207

/16/

2012

07/1

9/20

1207

/22/

2012

07/2

5/20

1207

/28/

2012

07/3

1/20

1208

/03/

2012

08/0

6/20

1208

/09/

2012

08/1

2/20

1208

/15/

2012

08/1

8/20

1208

/21/

2012

08/2

4/20

1208

/27/

2012

08/3

0/20

1209

/02/

2012

09/0

5/20

1209

/08/

2012

09/1

1/20

1209

/14/

2012

09/1

7/20

1209

/20/

2012

09/2

3/20

1209

/26/

2012

09/2

9/20

1210

/02/

2012

10/0

5/20

1210

/08/

2012

10/1

1/20

1210

/14/

2012

10/1

7/20

1210

/20/

2012

10/2

3/20

1210

/26/

2012

10/2

9/20

1211

/01/

2012

11/0

4/20

1211

/07/

2012

11/1

0/20

12

GTRH2

Page 17: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 17Huawei proprietary. No spread without permission.

HSDPA throughput per user

No obvious change to HSDPA throughput and traffic volume

0

100

200

300

400

500

600

700

800

900

1000

0

1000000

2000000

3000000

4000000

5000000

600000006

/01/

2012

06/0

5/20

1206

/09/

2012

06/1

3/20

1206

/17/

2012

06/2

1/20

1206

/25/

2012

06/2

9/20

1207

/03/

2012

07/0

7/20

1207

/11/

2012

07/1

5/20

1207

/19/

2012

07/2

3/20

1207

/27/

2012

07/3

1/20

1208

/04/

2012

08/0

8/20

1208

/12/

2012

08/1

6/20

1208

/20/

2012

08/2

4/20

1208

/28/

2012

09/0

1/20

1209

/05/

2012

09/0

9/20

1209

/13/

2012

09/1

7/20

1209

/21/

2012

09/2

5/20

1209

/29/

2012

10/0

3/20

1210

/07/

2012

10/1

1/20

1210

/15/

2012

10/1

9/20

1210

/23/

2012

10/2

7/20

1210

/31/

2012

11/0

4/20

1211

/08/

2012

GTRH2 - Sum of VHA_HSDPA Data Volume / traffic (Mapping to NSN) GTRH2 - Sum of VHA_HSDPA Throughput per user

Page 18: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 18Huawei proprietary. No spread without permission.

HSPA RAB CSSR

No obvious change to HSPA RAB CSSR

91

92

93

94

95

96

97

98

99

100

101

06/0

1/20

1206

/04/

2012

06/0

7/20

1206

/10/

2012

06/1

3/20

1206

/16/

2012

06/1

9/20

1206

/22/

2012

06/2

5/20

1206

/28/

2012

07/0

1/20

1207

/04/

2012

07/0

7/20

1207

/10/

2012

07/1

3/20

1207

/16/

2012

07/1

9/20

1207

/22/

2012

07/2

5/20

1207

/28/

2012

07/3

1/20

1208

/03/

2012

08/0

6/20

1208

/09/

2012

08/1

2/20

1208

/15/

2012

08/1

8/20

1208

/21/

2012

08/2

4/20

1208

/27/

2012

08/3

0/20

1209

/02/

2012

09/0

5/20

1209

/08/

2012

09/1

1/20

1209

/14/

2012

09/1

7/20

1209

/20/

2012

09/2

3/20

1209

/26/

2012

09/2

9/20

1210

/02/

2012

10/0

5/20

1210

/08/

2012

10/1

1/20

1210

/14/

2012

10/1

7/20

1210

/20/

2012

10/2

3/20

1210

/26/

2012

10/2

9/20

1211

/01/

2012

11/0

4/20

1211

/07/

2012

11/1

0/20

12

GTRH2 - Sum of VHA_HSDPA RAB accessibility GTRH2 - Sum of VHA_HSUPA RAB accessibility

Page 19: HSUPA 2ms Optimization-TTI Optimize -Phase 4 Day 7 Report V1.0

Thank youwww.huawei.com

Copyright©2011 Huawei Technologies Co., Ltd. All Rights Reserved.The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.

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HUAWEI TECHNOLOGIES CO., LTD. Page 20Huawei proprietary. No spread without permission.

Version controlVersion Comment Date AuthorV1.0 Initial Version 13/11/201

2 Jerry Huang