M00043030
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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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Availability date: 11/06/2021
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
Revision of ETS 300 133 in consideration of change requests received by RES 4.
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | ERM RP04 |
Supersedes |
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