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 Overview
  4.1 Functional entities
      4.1.1 Error Control (EC)
      4.1.2 Medium Access Control (MAC)
      4.1.3 Radio Link Control (RLC) sublayer
      4.1.4 Physical layer (PHY)
      4.1.5 Other functions (informative)
  4.2 Service Access Points to the CL (informative)
      4.2.1 Primitive types
      4.2.2 Parameter definitions
      4.2.3 DLC-U-SAP
5 Logical and transport channels
  5.1 Logical channels and their characteristics
      5.1.1 Logical channels
      5.1.2 Broadcast Control CHannel (BCCH)
      5.1.3 Frame Control CHannel (FCCH)
      5.1.4 Random access Feedback CHannel (RFCH)
      5.1.5 RLC Broadcast CHannel (RBCH)
      5.1.6 Dedicated Control CHannel (DCCH)
      5.1.7 User Broadcast CHannel (UBCH)
      5.1.8 User Multicast CHannel (UMCH)
      5.1.9 User Data CHannel (UDCH)
      5.1.10 Link Control CHannel (LCCH)
      5.1.11 ASsociation control CHannel (ASCH)
  5.2 Transport channels and their characteristics
      5.2.1 Transport Channels
      5.2.2 Broadcast CHannel (BCH)
      5.2.3 Frame CHannel (FCH)
      5.2.4 Access feedback CHannel (ACH)
      5.2.5 Long transport CHannel (LCH)
      5.2.6 Short transport CHannel (SCH)
      5.2.7 Random CHannel (RCH)
  5.3 Mapping between logical and transport channels
  5.4 Overview of the MAC frame
  5.5 DLC addressing
      5.5.1 MAC ID
      5.5.2 DLC connection ID
      5.5.3 NET ID
      5.5.4 Access Point ID
      5.5.5 Sector ID
      5.5.6 Logical channels addressing
            5.5.6.1 BCCH
            5.5.6.2 FCCH
            5.5.6.3 RFCH
            5.5.6.4 RBCH
            5.5.6.5 DCCH
            5.5.6.6 UBCH
            5.5.6.7 UMCH
            5.5.6.8 UDCH
            5.5.6.9 LCCH
            5.5.6.10 ASCH
            5.5.6.11 Mapping between Logical Channels and
                     MAC ID/DLCC ID
      5.5.7 Identification of transport channels
            5.5.7.1 BCH
            5.5.7.2 FCH
            5.5.7.3 ACH
            5.5.7.4 LCH
            5.5.7.5 SCH
            5.5.7.6 RCH
6 Radio transmission and reception functions
  6.1 Format of the transport channels
      6.1.1 Broadcast CHannel (BCH) format
      6.1.2 Frame CHannel (FCH) format
      6.1.3 Access feedback CHannel (ACH) format
      6.1.4 Long transport CHannel (LCH) format
      6.1.5 Short transport CHannel (SCH) format
      6.1.6 Random CHannel (RCH) format
  6.2 Logical channel formats
      6.2.1 BCCH message format
      6.2.2 FCCH information element contents and message
             formats
             6.2.2.1 IE for allocating resources for: RBCH,
                     DCCH, UBCH, UMCH, and UDCH and LCCH for
                     downlink and uplink
             6.2.2.2 IE for allocating resources for RBCH,
                     DCCH, UBCH, UMCH, UDCH and LCCH in the
                     direct link
             6.2.2.3 IE for empty parts in the MAC frame
             6.2.2.4 IE for padding
      6.2.3 RFCH message format
      6.2.4 RBCH message forma
             6.2.4.1 RBCH message in an LCH
             6.2.4.2 Downlink RBCH message in an SCH
             6.2.4.3 Direct link RBCH message in an SCH
      6.2.5 DCCH message formats
             6.2.5.1 DCCH message in an LCH
             6.2.5.2 DCCH message in a downlink SCH
             6.2.5.3 DCCH message in an uplink SCH or RCH
             6.2.5.4 DCCH message in a direct link SCH
      6.2.6 UBCH message formats
      6.2.7 UMCH message formats
      6.2.8 UDCH message formats
      6.2.9 LCCH message formats
             6.2.9.1 Resource Request message formats
             6.2.9.2 ARQ message format
      6.2.10 ASCH message format
  6.3 MAC protocol
      6.3.1 MAC operation
            6.3.1.1 Access Point MAC operation
            6.3.1.2 MT MAC operation
      6.3.2 Rules for the composition of MAC frames
            6.3.2.1 BCH
            6.3.2.2 FCH
            6.3.2.3 ACH
            6.3.2.4 SCH
            6.3.2.5 RCH
            6.3.2.6 Order of the transport channels
            6.3.2.7 Logical channels
            6.3.2.8 Handling of resource request messages
      6.3.3 Accessing the RCH
      6.3.4 Fixed capacity agreement (optional)
            6.3.4.1 General
            6.3.4.2 AP/CC operation
            6.3.4.3 MT operation
      6.3.5 Timing requirements
            6.3.5.1 Reference point and start pointers
            6.3.5.2 Minimum time between ACH and UL phase
            6.3.5.3 Minimum time between ACH and DiL phase
            6.3.5.4 Request - Grant delay
            6.3.5.5 ARQ delays
      6.3.6 Handling extra capacity allocated to MTs in
            uplink or direct link direction
      6.3.7 Error indication bits
            6.3.7.1 General
            6.3.7.2 Generation of the Error Indication Bits
            6.3.7.3 Direct Mode
  6.4 Error Control
      6.4.1 General
      6.4.2 Acknowledged mode
            6.4.2.1 General
            6.4.2.2 Notations
            6.4.2.3 LCH Sequence Number SN
            6.4.2.4 Window Sizes k[s]
            6.4.2.5 Receiver window
            6.4.2.6 Transmitter window
            6.4.2.7 Bit Map Blocks (BMB) and Bit Maps block
                     Numbers (BMN)
            6.4.2.8 Cumulative Acknowledgement (CumAck)
            6.4.2.9 EC Reset of the connection
            6.4.2.10 Error Control procedures for the receiver
            6.4.2.11 Error Control procedures for the
                     transmitter
            6.4.2.12 Discarding of LCHs
            6.4.2.13 Handling of dynamic ARQ bandwidth
                     allocation
            6.4.2.14 Flow Control
      6.4.3 Repetition mode
            6.4.3.1 General
            6.4.3.2 Notations
            6.4.3.3 LCH Sequence Number SN
            6.4.3.4 Window sizes k[s]
            6.4.3.5 Acceptance range
            6.4.3.6 Receiver window
            6.4.3.7 Transmitter behaviour
            6.4.3.8 Error Control Procedures for the Receiver
            6.4.3.9 Discarding of LCHs
      6.4.4 Unacknowledged mode
            6.4.4.1 General
            6.4.4.2 LCH Sequence Number SN
            6.4.4.3 Transmitter actions
            6.4.4.4 Receiver actions
  6.5 Multicast transmission
  6.6 CRC calculation
  6.7 Encryption
      6.7.1 Introduction
      6.7.2 Encryption of LCHs
      6.7.3 Algorithms
            6.7.3.1 DES
            6.7.3.2 TripleDES
      6.7.4 Encryption and decryption procedure
      6.7.5 Encryption keys
      6.7.6 Encryption seed
            6.7.6.1 General
            6.7.6.2 Seed generation in the AP
            6.7.6.3 Seed transfer
            6.7.6.4 Seed generation in the MT
      6.7.7 Initialization Vector (IV)
  6.8 Transmission power
  6.9 Mapping between MAC frame and PHY frame
      6.9.1 Number of OFDM symbols per transport channel
            excluding physical layer preambles
      6.9.2 PDU trains
            6.9.2.1 General
            6.9.2.2 Broadcast PDU train
            6.9.2.3 FCH-and-ACH PDU train
            6.9.2.4 Downlink PDU train
            6.9.2.5 Uplink PDU train with short preamble
            6.9.2.6 Uplink PDU train with long preamble
            6.9.2.7 Direct link PDU train
      6.9.3 PHY modes for transport channels and special
            cases for logical channels
      6.9.4 Guard times
            6.9.4.1 Radio turn-around times
            6.9.4.2 Propagation delay guard times
            6.9.4.3 Sector switch guard time
Annex A (informative): Bibliography
History

Abstract

Describes the first phase of the basic data transport mechanism of the Data Link Control layer (DLC) of the HIPERLAN/2 system.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	BRAN