M00041935
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ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM); LAND MOBILE SERVICE; RULES FOR ACCESS AND THE SHARING OF COMMON USED CHANNELS BY EQUIPMENT COMPLYING WITH 300 113; PART 1: TECHNICAL CHARACTERISTICS AND METHODS OF MEASUREMENT
European Telecommunications Standards Institute
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Availability date: 11/06/2021
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Foreword
Introduction
1 Scope
2 References
3 Definitions
4 General
4.1 Sharing speech/data
4.2 Sharing data/data
4.3 Conformity to this EN
4.4 Interpretation of the measurement results
5 Technical characteristics of the equipment
6 Access protocol
6.1 General
6.2 Principles
6.3 Procedure
6.4 Carrier sensing
6.5 Observation time
6.6 Initiation of the transmitter
6.7 Duration of the RF channel occupation (time
interval)
7 Examples of sharing situations
8 Methods of measurement for receiver delays
8.1 Carrier sense delay
8.2 Receiver opening delayhannels
9 Measurement uncertainty
Annex A (normative): General arrangements for
measurements involving the use of radiated
fields
A.1 Test fixture
A.2 Acoustic coupler
Annex B (informative): Comments concerning the random
part of the observation time
Annex C (informative): Comments concerning the traffic
loading of shared channels
Annex D (informative): Bibliography
History
Describes an access protocol and occupation rules for data communications on radio channels shared by different users; it also contains two methods of measurement used for the assessment of receiver timing parameters (characteristics required for the implementation of the protocol).
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | ERMRP 02 |