05 03813

WCDMA RAN P6 Tuning Chapter 5: UE Tuning - Packet Switched Data

Chapter 5 Objectives After this module, the participants will be able to: 1. Define and show different performance indicators using TEMS Investigation RAN analysis 2. Explain accessibility 3. Explain retainability 4. Explain integrity (BLER and Throughput)

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure2 5 -

UE Tuning-Packet Switced Data

Preparations  FTP Server address and login for uploading and downloading data  APN configuration of the SIM card  Test files in various sizes (1025kb, 3MB etc.) depending on the demanded PS tests  The TCP window size set in the PC

© Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure3 5 -

UE Tuning-Packet Switced Data

Accessibility – Sessions and connection definition

© Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure4 5 -

UE Tuning-Packet Switced Data

Accessibility - Classification          

RAS dial RAS Failure Authentication Failure IP Address Assigned PS Attach PS Attach Failure PDP context Activation PDP context Activation Failure Session Start Session Error

© Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure5 5 -

UE Tuning-Packet Switced Data

Accessibility - Access Failures definition (Investigation) Distribution chart of PS RAS Error

33%

67%

block reason: other

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure6 5 -

no ppp control protocols configured

UE Tuning-Packet Switced Data

Accessibility Statistics PS Data Accessibility Statistics

Level 1

Level 2

Level 3

Level 4

No Data

Total

Total PS RAS Dialup

0 (0%)

0 (0%)

0 (0%)

0 (0%)

28 (100%)

28 (100%)

Total PS RAS Dialup Success

0 (0%)

0 (0%)

0 (0%)

0 (0%)

19 (100%)

19 (100%)

Total PS Attach

0 (0%)

0 (0%)

0 (0%)

0 (0%)

1 (100%)

1 (100%)

0

0

0

0

0

0

9 (39%)

0 (0%)

11 (48%)

1 (4%)

2 (9%)

23 (100%)

0

0

0

0

0

0

Total PS Attach Failure Total PDP Context Activation Total PDP Context Reject PS RAS Dialup Success Rate

67,9%

PS Attach Success Rate

100,0%

PDP Context Activation Success Rate

100,0%

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure7 5 -

UE Tuning-Packet Switced Data

PS setup time Statistics

PS Setup Time Statistics

Min

Average

Max

PS Attach

0,0

1,3

17,1

PDP Context Activation

1,0

1,7

2,0

PS Access

6,0

7,1

18,0

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure8 5 -

UE Tuning-Packet Switced Data

PDP Context data from TEMS Investigation

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure9 5 -

UE Tuning-Packet Switced Data

Traffic Case

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure105 -

UE Tuning-Packet Switced Data

Retainability - PS Session Statistics (Investigation) FTP Get

FTP Put

HTTP Load

Ping

Unknown

Total

PS Total Session

12

8

17

1

0

38

PS Total Session Error

3

2

2

0

0

7

75%

75%

89,5%

100%

PS Session Statistics

PS Total Session Success Rate

81,6%

PS Total Session Recovered Rate

n/a

PS HTTP Load Session Statistics

Total

Total Session

17

Total Session Error

2

Session Success Rate

89 %

Successful Session Duration (Min/Avg/Max) s

12/22/105

Successful Session DL Application Throughput (Min/Avg/Max) kbps

0/1/5

Successful Session UL Application Throughput (Min/Avg/Max) kbps

0/0/1

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure115 -

UE Tuning-Packet Switced Data

Throughput - Application throughput DL in Investigation

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure125 -

UE Tuning-Packet Switced Data

Throughput – Data Line charts for different UE

© Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure135 -

UE Tuning-Packet Switced Data

Throughput - RLC DL throughput in Investigation

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure145 -

UE Tuning-Packet Switced Data

Throughput - Session throughput and THold

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure155 -

UE Tuning-Packet Switced Data

PS Application DL Throughput Distribution chart of PS Application Downlink Throughput Range

7%

37%

56%

App throughput < 64 kps

64 kps <= App throughput < 128 kbps

128 kps <= App throughput < 384 kbps

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure165 -

UE Tuning-Packet Switced Data

PS Application throughput Statistics I Min (kbps)

Average (kbps)

Max (kbps)

Average Application DL

1,0

65,7

367,0

Average Application UL

1,0

7,0

39,0

Median Application DL Throughput for spreading factor = 32

1,0

38,6

122,0

Median Application DL Throughput for spreading factor = 16

1,0

49,7

169,0

Median Application DL Throughput for spreading factor = 8

4,0

92,5

367,0

PS Binned Application Throughput Statistics

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure175 -

UE Tuning-Packet Switced Data

PS Application throughput Statistics II App Throughput DL Median <= 64 kbps

64 kbps<App Throughput DL Median <= 128 kbps

128 kbps<App Throughput DL Median

Any App Throughput DL Median

Ec/No >= -4

38,59

49,73

92,59

60,31

-4 > Ec / No >= -8

64,00

54,61

93,92

70,84

-8 > Ec / No >= -12

0,00

0,00

0,00

0,00

Ec/No < -12

0,00

0,00

0,00

0,00

Any Ec/No

39,40

49,74

92,47

60,54

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure185 -

UE Tuning-Packet Switced Data

PS Application throughput Statistics III SC

RLC DL Throughpu t Avg

Application DL Throughput Avg

RLC UL Throughpu t Avg

Application UL Throughput Avg

Spreadin g factor >= 32

Spreadin g factor >= 16

Spreadin g factor >= 8

Cell1

35

54,00

8,00

4,00

1,00

0,00

0,00

0,00

Cell1

35

0,00

48,00

0,00

26,00

0,00

0,00

0,00

Cell1

35

82,00

52,00

4,00

0,00

0,00

82,00

0,00

Cell1

35

203,00

122,00

7,00

0,00

0,00

0,00

203,00

Cell2

226

92,00

52,00

6,00

0,00

0,00

92,00

0,00

Cell2

226

0,00

10,00

0,00

2,00

0,00

0,00

0,00

Cell2

226

65,00

52,00

4,00

0,00

65,00

0,00

0,00

Cell2

226

63,00

52,00

2,00

0,00

63,00

0,00

0,00

Cell3

122

22,00

10,00

9,00

3,00

0,00

22,00

0,00

Best Serv er

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure195 -

UE Tuning-Packet Switced Data

PS Spreading Factor Usage (Investigation) Distribution chart of PS Spreading Factor Usage

12% 39%

49%

RLC throughput < 64 kps

64 kps <= RLC throughput < 128 kbps

128 kps <= RLC throughput < 384 kbps

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure205 -

UE Tuning-Packet Switced Data

Š Ericsson AB 2008 05_03813 LZU 108 6919 Uen Rev. A

Figure215 -

UE Tuning-Packet Switced Data