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EN 300 471-1 : 1.2.1

M00041935

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EN 300 471-1 : 1.2.1

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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Table of Contents

Intellectual Property Rights
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

Abstract

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).

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ERMRP 02