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WCDMA AICH (Acquisition Indicator Channel)

This tutorial section on WCDMA (UMTS) basics covers following sub topics:
UMTS Tutorial  UMTS channels  measurements  PHY layer  TDD vs FDD PHY  RRC States  Security  Cell search  Bands  UARFCN  Frame 

This page describes AICH or Acquisition Indicator Channel with respect to WCDMA/UMTS system.

The Acquisition Indicator channel (AICH) is a physical channel used to carry Acquisition Indicators (AI). Acquisition Indicator AIs corresponds to signature S of the PRACH.



UMTS Network Architecture
UMTS Protocol Stack
UMTS Logical, Transport and physical channels
UMTS Spreading,scrambling and modulation

RF and Wireless Terminologies

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