Thursday, 8 May 2014

Permasalahan GSM 2G

KASUS-KASUS GSM
Signal Strength Low
Bad Quality
HO Fail
Call Drop
Call Block
Call Setup Fail
 
Signal Strength Low

Server DCS = -97 GSM = -80
Kemungkinan penyebab:
-          New Site?
-          Antenna Tilting?
-          Antenna Clearance?
-          BTS Installation?

Server GSM lebih kuat dari DCS nya
Kemungkinan penyebab:
-          Neighbour belum di create
-          BCCH TRX bermasalah
-          BCCH TRX Low Power

Server DCS lemah GSM kuat
Kemungkinan penyebab:
-          AUCL terlalu kecil

Server DCS kuat GSM lemah
Kemungkinan penyebab:
-          TRX problem
-          DCS Insatallation problem

Server GSM kuat DCS lemah
Kemungkinan penyebab:
-          DCS Installation problem
-          Umbrella (AUCL=-75)

Note: Kurangnya HO bisa mengakibatkan Signal Strength Low dan Bad Quality sehingga dapat menyebabkan Dropped Call or Blocked Call.

HO Fail
Kemungkinan penyebab:
-          Signal Strength Low
-          Timer Expire
-          Inter MSC
-          Inter BSC
-          Synchronization Fail (clock)

Call Drop
Kemungkinan penyebab:
-          Signal Strength Low
-          Bad Quality
-          Target HO belum di buat

Call Setup Fail
Kemungkinan penyebab:
-          Signal Strength Low
-          Bad Quality
-          Neighbour  bermasalah(Tetangga yg tidak sesuai)

Call Block
Kemungkinan penyebab:
-          Signal Strength Low
-          Bad Quality
-          Target HO belum di buat

No comments:

Post a Comment

Millenium

Millenium
IDEL

Speed test

Speed test
Speed DL & UP

Summary

Summary

infolinks

Photo Speed test

Photo Speed test
Photo lokasi
syafrizal. Powered by Blogger.

full