Download GSM NETWORKS KPI ROOT CAUSE ANALYSIS [Archive]

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guruvai

2010-10-07, 02:01 AM

This is a very useful document for Optimization with descriptions of parameters. See below the list of contents:

1. Structure of the document 4 (http://www.finetopix.com/#_Toc149921075)
2. Random Access (RACH) Success 5 (http://www.finetopix.com/#_Toc149921076)
2.1 Define_ 5 (http://www.finetopix.com/#_Toc149921077)
2.2 Measure_ 5 (http://www.finetopix.com/#_Toc149921078)
2.2.1 STS Counters and stats for monitoring Random Access Failure 5 (http://www.finetopix.com/#_Toc149921079)
2.2.2 STS Counters for monitoring the RA request type 6 (http://www.finetopix.com/#_Toc149921080)
2.3 Analyze_ 6 (http://www.finetopix.com/#_Toc149921081)
2.3.1 Fish Bone diagram for the root cause analysis of poor Random Access Success 6 (http://www.finetopix.com/#_Toc149921082)
2.3.2 Description of the root causes for poor RA Success Rate 6 (http://www.finetopix.com/#_Toc149921083)
3. Paging (PCH) Success 8 (http://www.finetopix.com/#_Toc149921084)
3.1 Define_ 8 (http://www.finetopix.com/#_Toc149921085)
3.1.1 Paging Process 8 (http://www.finetopix.com/#_Toc149921086)
3.1.2 Paging Capacity and Paging Group at the RBS_ 9 (http://www.finetopix.com/#_Toc149921087)
3.1.3 Paging Capacity at the BSC_ 10 (http://www.finetopix.com/#_Toc149921088)
3.1.4 Paging Strategies and MSC paging timers 11 (http://www.finetopix.com/#_Toc149921089)
3.2 Measure_ 12 (http://www.finetopix.com/#_Toc149921090)
3.2.1 STS counters and stats for measuring Paging performance 12 (http://www.finetopix.com/#_Toc149921091)
3.2 Measure_ 15 (http://www.finetopix.com/#_Toc149921092)
3.2.1 Fish bone diagram for the root cause analysis of poor Paging Success Rate 15 (http://www.finetopix.com/#_Toc149921093)
4. Location Area updating (success rate) 18 (http://www.finetopix.com/#_Toc149921094)
4.1. Define_ 18 (http://www.finetopix.com/#_Toc149921095)
4.1.1. Location Area updating process 18 (http://www.finetopix.com/#_Toc149921096)
4.2. Measure_ 18 (http://www.finetopix.com/#_Toc149921097)
4.2.1. Location Area Dimensioning (from paging capacity point) 18 (http://www.finetopix.com/#_Toc149921098)
4.3 Analyze_ 21 (http://www.finetopix.com/#_Toc149921099)
4.2.1 Fish bone diagram for the root cause analysis of poor Location Area Updating_ 21 (http://www.finetopix.com/#_Toc149921100)
5. SDCCH Congestion Rate 23 (http://www.finetopix.com/#_Toc149921101)
5.1. Define_ 23 (http://www.finetopix.com/#_Toc149921102)
5.1.1 Load in mErlang on SDCCH due to different events 23 (http://www.finetopix.com/#_Toc149921103)
5.2. Measure_ 24 (http://www.finetopix.com/#_Toc149921104)
5.2.1 Traffic Theory 24 (http://www.finetopix.com/#_Toc149921105)
5.2.2 STS counters for measuring SDCCH congestion Rate 24 (http://www.finetopix.com/#_Toc149921106)
5.3 Analyze_ 25 (http://www.finetopix.com/#_Toc149921107)
5.3.1 Fish bone diagram for the root cause analysis high SDCCH congestion rate 25 (http://www.finetopix.com/#_Toc149921108)
6. SDCCH Drop Rate 27 (http://www.finetopix.com/#_Toc149921109)
6.1 Define_ 27 (http://www.finetopix.com/#_Toc149921110)
6.2 Measure_ 27 (http://www.finetopix.com/#_Toc149921111)
6.2.1 SDCCH Drop Rate 27 (http://www.finetopix.com/#_Toc149921112)
6.2.2 SDCCH Drop Reason_ 27 (http://www.finetopix.com/#_Toc149921113)
6.3 Analyse_ 28 (http://www.finetopix.com/#_Toc149921114)
6.3.1 Fish bone diagram for the root cause analysis for high SDCCH drop rate 28 (http://www.finetopix.com/#_Toc149921115)
7. TCH Congestion Rate 30 (http://www.finetopix.com/#_Toc149921116)
7.1 Define_ 30 (http://www.finetopix.com/#_Toc149921117)
7.2 Measure_ 30 (http://www.finetopix.com/#_Toc149921118)
7.2.1 STS counters and stats for TCH Congestion Rate 30 (http://www.finetopix.com/#_Toc149921119)
7.3 Analyze_ 31 (http://www.finetopix.com/#_Toc149921120)
7.3.1 Fish bone diagram for the root cause analysis for high TCH Congestion Rate 31 (http://www.finetopix.com/#_Toc149921121)
7.3.2 Half Rate Parameters 32 (http://www.finetopix.com/#_Toc149921122)
7.3.3 Mean Opinion scores for Half Rate 33 (http://www.finetopix.com/#_Toc149921123)
7.3.4 Why Quality is so important?_ 34 (http://www.finetopix.com/#_Toc149921124)
7.3.5 Parameters controlling CLS_ 35 (http://www.finetopix.com/#_Toc149921125)
7.3.6 Parameters controlling HCS_ 37 (http://www.finetopix.com/#_Toc149921126)
7.3.7 Parameters controlling Assignment to another cell 38 (http://www.finetopix.com/#_Toc149921127)
8. TCH Drop Rate 40 (http://www.finetopix.com/#_Toc149921128)
8.1 Define_ 40 (http://www.finetopix.com/#_Toc149921129)
8.2 Measure_ 40 (http://www.finetopix.com/#_Toc149921130)
8.2.1 STS counters for TCH drop 41 (http://www.finetopix.com/#_Toc149921131)
8.3 Analyze 42 (http://www.finetopix.com/#_Toc149921132)
8.3.1 Fish bone diagram for the root cause analysis for high TCH Drop Rate_ 42 (http://www.finetopix.com/#_Toc149921133)
8.3.2 Power control parameters for MS_ 46 (http://www.finetopix.com/#_Toc149921134)
8.3.3 Power control parameters for BS_ 46 (http://www.finetopix.com/#_Toc149921135)
9. Handover 47 (http://www.finetopix.com/#_Toc149921136)
9.1 Define_ 47 (http://www.finetopix.com/#_Toc149921137)
9.2 Measure_ 47 (http://www.finetopix.com/#_Toc149921138)
9.2.1 STS counters and stats for handover performance 47 (http://www.finetopix.com/#_Toc149921139)
9.3 Analyze_ 48 (http://www.finetopix.com/#_Toc149921140)
9.3.1 Fish bone diagram for the root cause analysis for high handover failure rate 48 (http://www.finetopix.com/#_Toc149921141)
9.3.2 E1 Algorithm for Locating (EVALTYPE=1) 49 (http://www.finetopix.com/#_Toc149921142)
9.3.3 E3 algorithm for Locating (EVALTYPE=3) 50 (http://www.finetopix.com/#_Toc149921143)
9.3.4 Urgency condition handover trigger parameters (http://www.finetopix.com/#_Toc149921144)

Please add thanks and Rep if you like it.

Br//guruvai

guruvai

2010-10-07, 02:05 AM

Voila,

Here is the attachment.

11408

Add thanks and Rep pls

No password!

br//guruvai

roloramos

2010-10-07, 04:11 AM

Good Docmument..
Very interesting.:)

hendral

2010-10-07, 08:21 AM

Voila,

Here is the attachment.

11408

Add thanks and Rep pls

No password!

br//guruvai

What vendor does it belong to ?

guruvai

2010-10-07, 07:10 PM

What vendor does it belong to ?

its for E*******. But i am pretty sure it'll help all.

hiennv

2010-10-13, 07:02 PM

Voila,

Here is the attachment.

11408

Add thanks and Rep pls

No password!

br//guruvai
I can not download. Can you send to me please? thanks,

salamanda1969

2010-10-13, 09:50 PM

Hello guruvai,

Any chance you can upload to 4shared.com? Thanks & rep will not be forgotten.
Somehow, I cannot download eventhough I have credit. Many thanks.

guruvai

2010-10-30, 08:20 PM

Hello guruvai,

Any chance you can upload to 4shared.com? Thanks & rep will not be forgotten.
Somehow, I cannot download eventhough I have credit. Many thanks.

Find it here,

Free File Hosting Made Simple - MediaFire (http://www.mediafire.com/?wwd3t8zs696w8)

No Password!

Just add thanks and reputation.

rcz90

2010-12-14, 05:15 PM

Gr8 Information.

This is a very useful document for Optimization with

descriptions of parameters. See below the list of contents:

1. Structure of the document 4 (http://www.finetopix.com/#_Toc149921075)
2. Random Access (RACH) Success 5 (http://www.finetopix.com/#_Toc149921076)
2.1 Define_ 5 (http://www.finetopix.com/#_Toc149921077)
2.2 Measure_ 5 (http://www.finetopix.com/#_Toc149921078)
2.2.1 STS Counters and stats for monitoring Random Access Failure 5 (http://www.finetopix.com/#_Toc149921079)
2.2.2 STS Counters for monitoring the RA request type 6 (http://www.finetopix.com/#_Toc149921080)
2.3 Analyze_ 6 (http://www.finetopix.com/#_Toc149921081)
2.3.1 Fish Bone diagram for the root cause analysis of poor Random Access Success 6 (http://www.finetopix.com/#_Toc149921082)
2.3.2 Description of the root causes for poor RA Success Rate 6 (http://www.finetopix.com/#_Toc149921083)
3. Paging (PCH) Success 8 (http://www.finetopix.com/#_Toc149921084)
3.1 Define_ 8 (http://www.finetopix.com/#_Toc149921085)
3.1.1 Paging Process 8 (http://www.finetopix.com/#_Toc149921086)
3.1.2 Paging Capacity and Paging Group at the RBS_ 9 (http://www.finetopix.com/#_Toc149921087)
3.1.3 Paging Capacity at the BSC_ 10 (http://www.finetopix.com/#_Toc149921088)
3.1.4 Paging Strategies and MSC paging timers 11 (http://www.finetopix.com/#_Toc149921089)
3.2 Measure_ 12 (http://www.finetopix.com/#_Toc149921090)
3.2.1 STS counters and stats for measuring Paging performance 12 (http://www.finetopix.com/#_Toc149921091)
3.2 Measure_ 15 (http://www.finetopix.com/#_Toc149921092)
3.2.1 Fish bone diagram for the root cause analysis of poor Paging Success Rate 15 (http://www.finetopix.com/#_Toc149921093)
4. Location Area updating (success rate) 18 (http://www.finetopix.com/#_Toc149921094)
4.1. Define_ 18 (http://www.finetopix.com/#_Toc149921095)
4.1.1. Location Area updating process 18 (http://www.finetopix.com/#_Toc149921096)
4.2. Measure_ 18 (http://www.finetopix.com/#_Toc149921097)
4.2.1. Location Area Dimensioning (from paging capacity point) 18 (http://www.finetopix.com/#_Toc149921098)
4.3 Analyze_ 21 (http://www.finetopix.com/#_Toc149921099)
4.2.1 Fish bone diagram for the root cause analysis of poor Location Area Updating_ 21 (http://www.finetopix.com/#_Toc149921100)
5. SDCCH Congestion Rate 23 (http://www.finetopix.com/#_Toc149921101)
5.1. Define_ 23 (http://www.finetopix.com/#_Toc149921102)
5.1.1 Load in mErlang on SDCCH due to different events 23 (http://www.finetopix.com/#_Toc149921103)
5.2. Measure_ 24 (http://www.finetopix.com/#_Toc149921104)
5.2.1 Traffic Theory 24 (http://www.finetopix.com/#_Toc149921105)
5.2.2 STS counters for measuring SDCCH congestion Rate 24 (http://www.finetopix.com/#_Toc149921106)
5.3 Analyze_ 25 (http://www.finetopix.com/#_Toc149921107)
5.3.1 Fish bone diagram for the root cause analysis high SDCCH congestion rate 25 (http://www.finetopix.com/#_Toc149921108)
6. SDCCH Drop Rate 27 (http://www.finetopix.com/#_Toc149921109)
6.1 Define_ 27 (http://www.finetopix.com/#_Toc149921110)
6.2 Measure_ 27 (http://www.finetopix.com/#_Toc149921111)
6.2.1 SDCCH Drop Rate 27 (http://www.finetopix.com/#_Toc149921112)
6.2.2 SDCCH Drop Reason_ 27 (http://www.finetopix.com/#_Toc149921113)
6.3 Analyse_ 28 (http://www.finetopix.com/#_Toc149921114)
6.3.1 Fish bone diagram for the root cause analysis for high SDCCH drop rate 28 (http://www.finetopix.com/#_Toc149921115)
7. TCH Congestion Rate 30 (http://www.finetopix.com/#_Toc149921116)
7.1 Define_ 30 (http://www.finetopix.com/#_Toc149921117)
7.2 Measure_ 30 (http://www.finetopix.com/#_Toc149921118)
7.2.1 STS counters and stats for TCH Congestion Rate 30 (http://www.finetopix.com/#_Toc149921119)
7.3 Analyze_ 31 (http://www.finetopix.com/#_Toc149921120)
7.3.1 Fish bone diagram for the root cause analysis for high TCH Congestion Rate 31 (http://www.finetopix.com/#_Toc149921121)
7.3.2 Half Rate Parameters 32 (http://www.finetopix.com/#_Toc149921122)
7.3.3 Mean Opinion scores for Half Rate 33 (http://www.finetopix.com/#_Toc149921123)
7.3.4 Why Quality is so important?_ 34 (http://www.finetopix.com/#_Toc149921124)
7.3.5 Parameters controlling CLS_ 35 (http://www.finetopix.com/#_Toc149921125)
7.3.6 Parameters controlling HCS_ 37 (http://www.finetopix.com/#_Toc149921126)
7.3.7 Parameters controlling Assignment to another cell 38 (http://www.finetopix.com/#_Toc149921127)
8. TCH Drop Rate 40 (http://www.finetopix.com/#_Toc149921128)
8.1 Define_ 40 (http://www.finetopix.com/#_Toc149921129)
8.2 Measure_ 40 (http://www.finetopix.com/#_Toc149921130)
8.2.1 STS counters for TCH drop 41 (http://www.finetopix.com/#_Toc149921131)
8.3 Analyze 42 (http://www.finetopix.com/#_Toc149921132)
8.3.1 Fish bone diagram for the root cause analysis for high TCH Drop Rate_ 42 (http://www.finetopix.com/#_Toc149921133)
8.3.2 Power control parameters for MS_ 46 (http://www.finetopix.com/#_Toc149921134)
8.3.3 Power control parameters for BS_ 46 (http://www.finetopix.com/#_Toc149921135)
9. Handover 47 (http://www.finetopix.com/#_Toc149921136)
9.1 Define_ 47 (http://www.finetopix.com/#_Toc149921137)
9.2 Measure_ 47 (http://www.finetopix.com/#_Toc149921138)
9.2.1 STS counters and stats for handover performance 47 (http://www.finetopix.com/#_Toc149921139)
9.3 Analyze_ 48 (http://www.finetopix.com/#_Toc149921140)
9.3.1 Fish bone diagram for the root cause analysis for high handover failure rate 48 (http://www.finetopix.com/#_Toc149921141)
9.3.2 E1 Algorithm for Locating (EVALTYPE=1) 49 (http://www.finetopix.com/#_Toc149921142)
9.3.3 E3 algorithm for Locating (EVALTYPE=3) 50 (http://www.finetopix.com/#_Toc149921143)
9.3.4 Urgency condition handover trigger parameters (http://www.finetopix.com/#_Toc149921144)

Please add thanks and Rep if you like it.

Br//guruvai

Darko

2010-12-14, 06:20 PM

This is good document with some very useful informations and troubleshooting stuff...

thanhv2541

2011-02-18, 02:42 AM

document very useful

aircom_vn

2011-04-08, 06:48 PM

Find it here,

Free File Hosting Made Simple - MediaFire (http://www.mediafire.com/?wwd3t8zs696w8)

No Password!

Just add thanks and reputation.

THANKS GURUVAI.
A GOOD DOCUMENT AND LOYAL SOUL OF YOU.:handshake:handshake:handshake:handshake:handshake

polo

2011-04-14, 11:57 PM

[It's very interseting, could u inform us about refernces ?

taken6600

2011-05-07, 01:04 AM

Thanks for Sharing

Irna

2011-05-07, 01:27 AM

great of analysis KPI

hakimgsm

2011-05-07, 02:13 AM

Good Docmument..
many thanks.