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Kamis, 05 April 2012

What are the possible causes for an Access Failure in UMTS?

RF Optimization

Sekedar catatan yg ditemukan. Access failure di UMTS disebabkan oleh sbb : 



Posted: 04 Apr 2012 05:30 PM PDT
  • Missing Neighbors (solusi create neighbours)
  • Poor Coverage (solusi atur tilting, atur azimuth bila perlu, tambah cpich power)
  • Pilot Pollution / Spillover ( atur cpich power atau agar ada pilot yg dominan)
  • Poor Cell Reselection (cek site sekitar,
  • Core Network Issues (
  • Non – availability of resources. Admission Control denies (cek capacity,
  • Hardware Issues (cek hardware,ganti/perbaiki)
  • Improper RACH Parameters
  • External Interference (scanning freq, retune)
silahkan bila ada yg ingin menjelaskan lebih detil solusi-solusinya di dalam kurung, maklum ane masih newbie untuk optim.

Thanks

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