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EN 301 391 : 1.1.1

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EN 301 391 : 1.1.1

ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM) - DATA COMMUNICATIONS USING SHORT RANGE DEVICES - ACCESS PROTOCOL, OCCUPATION RULES AND CORRESPONDING TECHNICAL CHARACTERISTICS FOR THE TRANSMISSION OF DATA

European Telecommunications Standards Institute

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Table of Contents

Intellectual property rights
Foreword
Introduction
1. Scope
2. References
3. Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4. General
   4.1 Applications using this protocol
   4.2 Conformity to the present document
5. Technical characteristics of the equipment
6. Description of the access protocol
   6.1 Channel access duration
   6.2 Principles
   6.3 Procedure
   6.4 Carrier sensing
   6.5 Observation time
   6.6 Message priority delay
   6.7 Duty cycle
   6.8 Anti blocking
7. Methods of measurement and limits
   7.1 Channel access duration
   7.2 Reply carrier delay
   7.3 Anti blocking
   7.4 Carrier sense threshold
   7.5 Carrier sense delay
   7.6 Observation time
   7.7 Channel accessing carrier attack time
8. Examples of channel access timing
9. Measurement uncertainty
Annex A (normative): Radiated measurement
        A.1 Test sites and general arrangements for
            measurements involving the use of radiated
            fields
        A.2 Guidance on the use of radiation test sites
        A.3 Coupling of signals
Bibliography
History

Abstract

Gives a radio channel access protocol and provides all the parameters that are essential for its use. Also defines the access protocol and the occupation rules for data communications on a radio channel shared by different users.

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ERM RP02