Guideline for Network Design and Optimization

[hailinh0103]

Hi all. Every body read to refer. This is document of aircom

[ptt3i]

Hi all. Every body read to refer. This is document of aircom

Provide more detail about the content of your document please.

Thanks a lot in advance.
ptt3i.

[Eugene]

Provide more detail about the content of your document please.

Thanks a lot in advance.
ptt3i.

Yeap. I agree with you.

I think hailinh0103 should provide more information about attached rar file.

Attached file is guidelin for GSM network design and optimization written by AIRCOM in 2004.

I am intrested in optimizing 3G, WiMAX, WiFi, and LTE.
So, the document slightly disappointed me.

Contents of the book like follows

CONTENTS
1 OBJECTIVE...............................6
2 SUMMARY................................7
2.1 REVIEW STRUCTURE...........................7
2.1.1 Performance Review.........................7
2.1.2 Network Design and Dimensioning Review................7
2.2 NETWORK PERFORMANCE AND DESIGN REVIEW PHILOSOPHY ..........7
2.2.1 Network Performance Audit ......................7
2.2.2 Network Design and Dimensioning Review................8
3 NETWORK PERFORMANCE REVIEW ...................9
3.1 OMC STATISTICS REVIEW ........................9
3.1.1 Call Success Rate..........................9
3.1.2 Call Setup Success Rate.......................11
3.1.3 SDCCH RF Loss ..........................14
3.1.4 TCH Blocking...........................15
3.1.5 TCH Assignment Failure (RF) ....................16
3.1.6 SDCCH Access Performance .....................17
3.1.6.1 SDCCH Blocking ............................ 17
3.1.6.2 SDCCH Access Success Rate ....................... 18
3.1.7 Dropped Calls...........................19
3.1.7.1 Call Drop Rate............................. 19
3.1.7.2 Mean Time Between Drops (MTBD) .................... 21
3.1.7.3 Breakdown of Drop Call Reasons..................... 22
3.1.8 Handovers ............................23
3.1.8.1 Intra-BSS Handover Failures ....................... 23
3.1.8.2 Inter-BSS Handover Failures ....................... 24
3.1.8.3 Handover Causes ............................ 25
3.2 A-INTERFACE ANALYSIS .........................27
3.2.1 Call Setup Failures .........................27
3.2.2 Location Update Success Rate ....................29
3.2.3 Handover Causes.........................31
3.3 CALL TRACE ANALYSIS.........................32
3.3.1 Downlink Receive Level and BTS Power ................32
3.3.2 Uplink Receive Level and Mobile Transmit Power ............34
3.3.3 Uplink and Downlink RxQual Distributions ...............35
4 DRIVE TEST ANALYSIS .........................37
4.1 DRIVE TEST PROCESS ..........................38
4.2 GSM DRIVE TEST METRICS .......................38
4.2.1 Graphical Presentation .......................38
4.2.1.1 Route Plots.............................. 38
4.2.1.2 Events ................................ 39
4.2.2 Statistical Analysis.........................40
4.2.2.1 RxLev Distribution:........................... 40
4.2.2.2 RxQual Distribution: .......................... 40
4.2.2.3 FER Distribution: ............................ 41
4.2.2.4 MS TX Power:............................. 41
4.2.2.5 Access Failure Rate (1-Call Setup Success Rate):............... 42
4.2.2.6 Blocked Call Rate:........................... 42
4.2.2.7 Call Drop Rate:............................. 43
4.2.2.8 Handover Failure Rate: ......................... 43
4.2.2.9 Average SQI: ............................. 44
4.3 GPRS DRIVE TEST ...........................44
4.3.1 Graphical Presentation .......................44
4.3.1.1 Route Plots.............................. 44
4.3.1.2 Events ................................ 45
4.4 NETWORK PERFORMANCE REVIEW - SUMMARY................45
5 NETWORK DESIGN AND DIMENSIONING REVIEW............46
5.1 NETWORK DESIGN SUMMARY.......................46
5.1.1 Size ...............................46
5.1.2 Subscribers............................46
5.1.3 Description of the environment ....................46
5.1.4 Available Spectrum.........................46
5.2 RF DESIGN DETAILED ANALYSIS.....................47
5.2.1 Site Design ............................47
5.2.1.1 Network Growth Pattern ......................... 47
5.2.1.2 High Sites Replacement ......................... 47
5.2.1.3 RF Design Strategy ........................... 48
5.2.2 Traffic Distribution.........................48
5.2.3 Frequency Plan..........................49
5.2.3.1 Site design............................... 49
5.2.3.2 Terrain and Topography......................... 49
5.2.3.3 External Interference .......................... 49
5.2.3.4 BCCH Plan .............................. 49
5.2.3.5 Non-BCCH Plan............................ 50
5.3 OPTIMISING FOR GROWTH........................51
5.3.1 Synthesizer Frequency Hopping (SFH).................52
5.3.1.1 Hopping spectrum allocation ....................... 52
5.3.1.2 Choice of SFH Design.......................... 52
5.3.1.3 Hopping System Parameters ....................... 52
5.3.2 Baseband Frequency Hopping and Multiple Re-use Patterns (MRP) .....53
5.3.3 Downlink Power Control and DTX..................53
5.3.4 Microcell Traffic Management Algorithms...............53
5.3.5 Dual Band Traffic Management Algorithms...............54
5.4 THE NETWORK GROWTH PLANNING PROCESS................54
5.5 BSS DATABASE REVIEW.........................55
5.5.1 Radio Resource Timers.......................55
5.5.1.1 rr_t3111 (layer 2 channel release guard timer) =>1200ms............ 55
5.5.1.2 rr_t3212 (Periodic Location Update Timer) => Align With MSC Implicit Detach Timer
55
5.5.1.3 link_fail => 16 SACCH......................... 56
5.5.1.4 radio_link_timeout => 16 SACCH..................... 56
5.5.1.5 rr_t3109 (TCH Reallocation Timer) => 8000ms................ 56
5.5.1.6 rr_t3103 (Intra-BSS Handover Guard Timer) => 15000ms ........... 56
5.5.1.7 bssmap_t10 (Assignment Guard Timer) => 14000 ............... 57
5.5.1.8 bssmap_t8 ( Handover Guard Timer) => 14000................ 57
5.5.2 Handover and Power Control Parameters ...............57
5.5.2.1 RxQual Handovers: ........................... 57
5.5.2.2 RxLev Handovers:........................... 58
5.5.2.3 Uplink Power Control: .......................... 58
5.5.2.4 MS Fast Power Down: .......................... 58
5.5.2.5 Downlink Power Control: ........................ 59
5.5.2.6 Adaptive Handover:........................... 59
5.5.2.7 Adaptive Power Control:......................... 59
5.5.2.8 Directed Retry and Intelligent Directed Retry (Handover on Congestion):..... 59
5.6 LOCATION AREA PLANNING AND PAGING PERFORMANCE ............60
5.7 SYSTEM PROCESSOR PERFORMANCE....................62
5.8 MTL PERFORMANCE ..........................62
5.9 ADDITIONAL BSS DESIGN ISSUES.....................63
5.9.1 Hardware configurations......................63
5.9.2 Transmit Combining Options .....................63
5.9.3 Antenna Selection .........................63
5.9.4 Diversity Choice..........................63
5.10 BSS OPERATIONS REVIEW........................64
5.10.1 Frequently Occurring Alarms ....................64
5.10.2 Frequency of Outages........................64
5.10.3 Transmit Power Calibration.....................64
5.10.4 External Alarms ..........................64
5.10.5 Maintenance Schedules .......................64
6 RECOMMENDATIONS..........................65

[hailinh0103]

Yeap. I agree with you.

I think hailinh0103 should provide more information about attached rar file.

Attached file is guidelin for GSM network design and optimization written by AIRCOM in 2004.

I am intrested in optimizing 3G, WiMAX, WiFi, and LTE.
So, the document slightly disappointed me.

Contents of the book like follows

CONTENTS
1 OBJECTIVE...............................6
2 SUMMARY................................7
2.1 REVIEW STRUCTURE...........................7
2.1.1 Performance Review.........................7
2.1.2 Network Design and Dimensioning Review................7
2.2 NETWORK PERFORMANCE AND DESIGN REVIEW PHILOSOPHY ..........7
2.2.1 Network Performance Audit ......................7
2.2.2 Network Design and Dimensioning Review................8
3 NETWORK PERFORMANCE REVIEW ...................9
3.1 OMC STATISTICS REVIEW ........................9
3.1.1 Call Success Rate..........................9
3.1.2 Call Setup Success Rate.......................11
3.1.3 SDCCH RF Loss ..........................14
3.1.4 TCH Blocking...........................15
3.1.5 TCH Assignment Failure (RF) ....................16
3.1.6 SDCCH Access Performance .....................17
3.1.6.1 SDCCH Blocking ............................ 17
3.1.6.2 SDCCH Access Success Rate ....................... 18
3.1.7 Dropped Calls...........................19
3.1.7.1 Call Drop Rate............................. 19
3.1.7.2 Mean Time Between Drops (MTBD) .................... 21
3.1.7.3 Breakdown of Drop Call Reasons..................... 22
3.1.8 Handovers ............................23
3.1.8.1 Intra-BSS Handover Failures ....................... 23
3.1.8.2 Inter-BSS Handover Failures ....................... 24
3.1.8.3 Handover Causes ............................ 25
3.2 A-INTERFACE ANALYSIS .........................27
3.2.1 Call Setup Failures .........................27
3.2.2 Location Update Success Rate ....................29
3.2.3 Handover Causes.........................31
3.3 CALL TRACE ANALYSIS.........................32
3.3.1 Downlink Receive Level and BTS Power ................32
3.3.2 Uplink Receive Level and Mobile Transmit Power ............34
3.3.3 Uplink and Downlink RxQual Distributions ...............35
4 DRIVE TEST ANALYSIS .........................37
4.1 DRIVE TEST PROCESS ..........................38
4.2 GSM DRIVE TEST METRICS .......................38
4.2.1 Graphical Presentation .......................38
4.2.1.1 Route Plots.............................. 38
4.2.1.2 Events ................................ 39
4.2.2 Statistical Analysis.........................40
4.2.2.1 RxLev Distribution:........................... 40
4.2.2.2 RxQual Distribution: .......................... 40
4.2.2.3 FER Distribution: ............................ 41
4.2.2.4 MS TX Power:............................. 41
4.2.2.5 Access Failure Rate (1-Call Setup Success Rate):............... 42
4.2.2.6 Blocked Call Rate:........................... 42
4.2.2.7 Call Drop Rate:............................. 43
4.2.2.8 Handover Failure Rate: ......................... 43
4.2.2.9 Average SQI: ............................. 44
4.3 GPRS DRIVE TEST ...........................44
4.3.1 Graphical Presentation .......................44
4.3.1.1 Route Plots.............................. 44
4.3.1.2 Events ................................ 45
4.4 NETWORK PERFORMANCE REVIEW - SUMMARY................45
5 NETWORK DESIGN AND DIMENSIONING REVIEW............46
5.1 NETWORK DESIGN SUMMARY.......................46
5.1.1 Size ...............................46
5.1.2 Subscribers............................46
5.1.3 Description of the environment ....................46
5.1.4 Available Spectrum.........................46
5.2 RF DESIGN DETAILED ANALYSIS.....................47
5.2.1 Site Design ............................47
5.2.1.1 Network Growth Pattern ......................... 47
5.2.1.2 High Sites Replacement ......................... 47
5.2.1.3 RF Design Strategy ........................... 48
5.2.2 Traffic Distribution.........................48
5.2.3 Frequency Plan..........................49
5.2.3.1 Site design............................... 49
5.2.3.2 Terrain and Topography......................... 49
5.2.3.3 External Interference .......................... 49
5.2.3.4 BCCH Plan .............................. 49
5.2.3.5 Non-BCCH Plan............................ 50
5.3 OPTIMISING FOR GROWTH........................51
5.3.1 Synthesizer Frequency Hopping (SFH).................52
5.3.1.1 Hopping spectrum allocation ....................... 52
5.3.1.2 Choice of SFH Design.......................... 52
5.3.1.3 Hopping System Parameters ....................... 52
5.3.2 Baseband Frequency Hopping and Multiple Re-use Patterns (MRP) .....53
5.3.3 Downlink Power Control and DTX..................53
5.3.4 Microcell Traffic Management Algorithms...............53
5.3.5 Dual Band Traffic Management Algorithms...............54
5.4 THE NETWORK GROWTH PLANNING PROCESS................54
5.5 BSS DATABASE REVIEW.........................55
5.5.1 Radio Resource Timers.......................55
5.5.1.1 rr_t3111 (layer 2 channel release guard timer) =>1200ms............ 55
5.5.1.2 rr_t3212 (Periodic Location Update Timer) => Align With MSC Implicit Detach Timer
55
5.5.1.3 link_fail => 16 SACCH......................... 56
5.5.1.4 radio_link_timeout => 16 SACCH..................... 56
5.5.1.5 rr_t3109 (TCH Reallocation Timer) => 8000ms................ 56
5.5.1.6 rr_t3103 (Intra-BSS Handover Guard Timer) => 15000ms ........... 56
5.5.1.7 bssmap_t10 (Assignment Guard Timer) => 14000 ............... 57
5.5.1.8 bssmap_t8 ( Handover Guard Timer) => 14000................ 57
5.5.2 Handover and Power Control Parameters ...............57
5.5.2.1 RxQual Handovers: ........................... 57
5.5.2.2 RxLev Handovers:........................... 58
5.5.2.3 Uplink Power Control: .......................... 58
5.5.2.4 MS Fast Power Down: .......................... 58
5.5.2.5 Downlink Power Control: ........................ 59
5.5.2.6 Adaptive Handover:........................... 59
5.5.2.7 Adaptive Power Control:......................... 59
5.5.2.8 Directed Retry and Intelligent Directed Retry (Handover on Congestion):..... 59
5.6 LOCATION AREA PLANNING AND PAGING PERFORMANCE ............60
5.7 SYSTEM PROCESSOR PERFORMANCE....................62
5.8 MTL PERFORMANCE ..........................62
5.9 ADDITIONAL BSS DESIGN ISSUES.....................63
5.9.1 Hardware configurations......................63
5.9.2 Transmit Combining Options .....................63
5.9.3 Antenna Selection .........................63
5.9.4 Diversity Choice..........................63
5.10 BSS OPERATIONS REVIEW........................64
5.10.1 Frequently Occurring Alarms ....................64
5.10.2 Frequency of Outages........................64
5.10.3 Transmit Power Calibration.....................64
5.10.4 External Alarms ..........................64
5.10.5 Maintenance Schedules .......................64
6 RECOMMENDATIONS..........................65

ok. Thanks u very much, i will try for new post

[ptt3i]

ok. Thanks u very much, i will try for new post

You can do that by edit all your old posts please.

Good luck.
ptt3i.

[winbouze]

hi freind , can some one shar this doc for me, i can't see the shared link

BR

Provide more detail about the content of your document please.

Thanks a lot in advance.
ptt3i.

[ptt3i]

hi freind , can some one shar this doc for me, i can't see the shared link

BR

Please say thanks to hailinh for his document.

Multiupload.com - upload your files to multiple file hosting sites!

[stilloboy]

Hi all. Every body read to refer. This is document of aircom

Good job!

Kind Regards

[polo]

Hi,very good doc