DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); DATA LINK (DL) LAYER GENERAL ASPECTS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
Foreword
1 Scope
  1.1 References
  1.2 Abbreviations
2 Concepts and terminology
3 Overview description of LAPDm functions and procedures
  3.1 General
  3.2 Unacknowledged operation
  3.3 Acknowledged operation
  3.4 Information transfer mode
  3.5 Release of data links
4 Service characteristics
  4.1 General
  4.2 Services provided to layer 3
  4.3 Services required from the physical layer
  4.4 Administrative services
5 Overview of data link layer structure
  5.1 Functional composition
  5.2 Identification of data link end points
  5.3 Data link procedure
  5.4 Data link distribution procedure
  5.5 Random access procedures
6 Specific requirements
  6.1 Mode of operation and allowed SAPIs
  6.2 Acknowledged mode of operation
Annex A (informative): Change History
History

Specifies in general terms the Link Access Procedures on the Dm channel, LAPDm. The application of this protocol to other channel types is for further study.

Committee	3GPP GERAN 2
DocumentType	Standard
Pages	21
PublisherName	European Telecommunications Standards Institute
Status	Current

ISO/IEC 4335:1993	Information technology —- Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Elements of procedures
ISO/IEC 3309:1993	Information technology — Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Frame structure