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무선통신/UMTS

Standards


Topic 

Specifications
Serial Number

 RF Performance  25.1xx 
 Physical Layer  25.2xx 
 Layer 2 and Layer 3 

 25.3xx 

 UTRAN  25.4xx 
 NAS Layer (CC,SS,SMS,MM)  22.xxx, 23.xxx, 24.xxx 
 Packet Switched Data Service  22.060, 23.060 
 Circuit Switched Data Service  23.910 
 Voice Service   26.xxx 
 USIM  31.xxx 
 UE Conformance  34.xxx 

21.101 - a complete list of Release 99 specifications

21.905 - a list of acronyms


● Physical Layer related

1. Release 99 Features

    - New Radio Interface (UTRA) : FDD and TDD at 3.83 Mcps

    - Services as in GSM/GPRS

    - GSM/GPRS Handovers

    - Support for Multicall

    - Basic UMTS Security

    - Location Services over Air Interface

2. Release 4 Features

    - TDD at 1.28 Mcps

    - UTRA Repeater

    - Transcoder/Tandem Free Operation

    - Location Services over Network Interfaces

    - CS Emergency Call Enhancements

    - Evolution of Core Network Transport to IP

3. Release 5 Features

    - Evolution of UTRAN Transport to IP

    - IP-based Multimedia Services

    - High-speed Downlink Packet Access (HSDPA)

    - Reliavle QoS for PS Domain