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ETS 300 133-4 : 20002

M00043030

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ETS 300 133-4 : 20002

ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM); ENHANCED RADIO MESSAGE SYSTEMS (ERMES); PART 4: AIR INTERFACE SPECIFICATION

European Telecommunications Standards Institute

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Table of Contents

Foreword
Intellectual Property Rights
1 Scope
2 Normative references
3 Definitions, abbreviations and symbols
  3.1 Definitions
  3.2 Abbreviations
  3.3 Symbols
4 Transmission protocol
  4.1 General description of the protocol
  4.2 Outline of the air interface model
  4.3 Application of the model to the air interface
  4.4 Batch structure
  4.5 Subsequence lengths
  4.6 Version compatibility
5 Information format
  5.1 General
  5.2 Synchronization partition
  5.3 System information partition
  5.4 Address partition
  5.5 Message partition
6 Error correction coding
7 Codeword interleaving
8 Modulation
  8.1 General
  8.2 RF channels and channel numbering
  8.3 Modulation format
9 Operation of the radio subsystem
  9.1 General
  9.2 Frequency subset indicator and frequency subset
      number
  9.3 Border area indicator
  9.4 External traffic indicator
  9.5 Examples of receiver operation
10 Paging message procedures on the air interface
  10.1 General
  10.2 Individual call procedure
  10.3 Group call procedure
  10.4 Handling of long messages
  10.5 Messages continued in further batches in the
       same subsequence
  10.6 Messages continued in further subsequences
  10.7 Transmission of variable receiver parameters
  10.8 Termination of message search
11 Battery saving techniques
  11.1 Batch level
  11.2 Subsequence level
  11.3 Cycle level
  11.4 Sequence level
12 Synchronization
  12.1 General
  12.2 Synchronization between paging receiver and
       radio transmission
  12.3 Synchronization between base stations
  12.4 Co-ordination between networks
History

Abstract

Revision of ETS 300 133 in consideration of change requests received by RES 4.

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ERM RP04
Supersedes
  • PRETS 300 133-4 : SEP 97