ETSI EN 301 958 V1.1.1 (2002-03)

Digital Video Broadcasting (DVB); Interaction channel for Digital Terrestrial Television (RCT) incorporating Multiple Access OFDM

DEN/JTC-DVB-117

Digitalna videoradiodifuzija (DVB) – Povratni kanal za digitalno prizemno televizijo (RCT), ki vsebuje večkratni dostop OFDM

General Information

• Status: Published
• Publication Date: 03-Mar-2002
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 01-Mar-2002
• Completion Date: 04-Mar-2002
• Ref Project: SIST EN 301 958 V1.1.1:2005 - Digital Video Broadcasting (DVB); Interaction channel for Digital Terrestrial Television (RCT) incorporating Multiple Access OFDM

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 301 958 V1.1.1:2005
01-november-2005
'LJLWDOQDYLGHRUDGLRGLIX]LMD'9%±3RYUDWQLNDQDO]DGLJLWDOQRSUL]HPQRWHOHYL]LMR
5&7NLYVHEXMHYHþNUDWQLGRVWRS2)'0
Digital Video Broadcasting (DVB); Interaction channel for Digital Terrestrial Television
(RCT) incorporating Multiple Access OFDM
Ta slovenski standard je istoveten z: EN 301 958 Version 1.1.1
ICS:
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
SIST EN 301 958 V1.1.1:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN 301 958 V1.1.1:2005

---------------------- Page: 2 ----------------------

SIST EN 301 958 V1.1.1:2005

ETSI EN 301 958 V1.1.1 (2002-03)
European Standard (Telecommunications series)


Digital Video Broadcasting (DVB);
Interaction channel for Digital Terrestrial Television (RCT)
incorporating Multiple Access OFDM

European Broadcasting Union Union Européenne de Radio-Télévision
EBU·UER

---------------------- Page: 3 ----------------------

SIST EN 301 958 V1.1.1:2005
 2 ETSI EN 301 958 V1.1.1 (2002-03)



Reference
DEN/JTC-DVB-117
Keywords
broadcasting, digital, DVB, interaction, terrestrial,
TV, video
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, send your comment to:
[e-mail]
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2002.
© European Broadcasting Union 2002.
All rights reserved.
ETSI

---------------------- Page: 4 ----------------------

SIST EN 301 958 V1.1.1:2005
 3 ETSI EN 301 958 V1.1.1 (2002-03)
Contents
Intellectual Property Rights.7
Foreword.7
1 Scope.8
2 References.8
3 Definitions, symbols and abbreviations .9
3.1 Definitions.9
3.2 Symbols.10
3.3 Abbreviations.10
4 System architecture for wireless DVB-T interaction channels .12
4.1 Protocol stack model.12
4.2 System model.12
5 DVB-RCT interaction channel for terrestrial networks .14
5.1 System Concept.14
5.2 Lower physical layer principle .15
5.3 Forward Interaction Path (Downstream IB) .16
5.4 Return Interaction Path (Upstream).16
6 DVB-RCT upstream physical layer specifications.16
6.1 General principles.16
6.2 Transmission modes.18
6.3 Transmission frames.19
6.3.1 Transmission frames organization in the frequency domain .20
6.3.2 Transmission frame organization in the time domain.20
6.3.2.1 Transmission frame 1 (TF1).20
6.3.2.2 Transmission frame 2 (TF2).21
6.4 RCTT synchronization.22
6.4.1 Coarse synchronization.22
6.4.2 Symbol clock synchronization.25
6.4.3 Carrier synchronization.25
6.5 Signal definition.25
6.6 Transmitted signal.26
6.7 Randomization, channel encoding and interleaving.26
6.7.1 Data randomization.27
6.7.2 Channel encoding.27
6.7.2.1 Channel encoding using Turbo codes .28
6.7.2.1.1 Turbo code permutation.28
6.7.2.1.2 Determination of the circulation states .29
6.7.2.1.3 Rates and puncturing map .30
6.7.2.1.4 Order of output .30
6.7.2.2 Channel encoding using concatenated codes .30
6.7.2.2.1 Reed-Solomon encoding.30
6.7.2.2.2 Convolutional coding.31
6.7.2.2.3 Concatenated coding.32
6.7.3 Interleaving.33
6.8 Modulation Schemes.33
6.8.1 Constellations.34
6.8.2 Pilot modulation.35
6.8.3 Ranging pilot modulation.36
6.9 Shaping filters.36
6.9.1 The Nyquist shaping function.37
6.9.2 The Rectangular shaping function .37
6.10 Burst Structure and formatting .37
6.10.1 Burst Structure 1 (BS1) definition .38
6.10.1.1 Burst Structure 1 without frequency hopping .39
ETSI

---------------------- Page: 5 ----------------------

SIST EN 301 958 V1.1.1:2005
 4 ETSI EN 301 958 V1.1.1 (2002-03)
6.10.1.2 Burst Structure 1 with frequency hopping .40
6.10.2 Burst Structure 2 (BS2) definition .41
6.10.2.1 Carrier Allocation for Medium Access Scheme 2.43
6.10.2.2 Carrier allocation for Medium Access Scheme 3.43
6.10.3 Burst Structure 3 (BS3) definition .44
6.11 Medium Access Schemes.45
6.11.1 Medium Access Scheme 1.46
6.11.2 Medium Access Scheme 2.46
6.11.3 Medium Access Scheme 3.46
6.11.3.1 Sub-channel format for 2K mode structure.47
6.11.3.2 Sub-channel format for 1K mode structure.48
6.12 Ranging signal and structures.48
6.12.1 Ranging Sub-Channels definition.48
6.12.2 Ranging Sub-Channels code producer.49
6.12.3 Ranging interval.49
6.12.4 Long Ranging transmission .50
6.12.5 Short Ranging transmission .50
6.13 Transmission capacities.51
6.13.1 Burst capacity and bit rates.51
6.13.2 Transmission frame duration.54
6.14 Modulator performance.55
6.14.1 Modulator signal performance.55
6.14.2 Modulator switching performance.55
6.14.3 Spectrum mask.56
6.14.4 Time and frequency accuracy .57
6.14.4.1 Frequency accuracy.57
6.14.4.2 Time accuracy.57
7 Forward interaction path specification.58
7.1 Downstream general format .58
7.2 Upstream Synchronization Field format.60
7.3 RCTT synchronization procedure .60
7.3.1 Overall events sequencing .61
7.3.1.1 Initial synchronization procedure.61
7.3.1.2 Ranging synchronization procedure.61
8 DVB-RCT MAC layer specifications .62
8.1 MAC reference model.62
8.1.1 MAC concept.62
8.1.1.1 Relationship between higher layers and MAC protocol.62
8.1.1.2 Relationship between physical layer and MAC protocol .63
8.1.1.3 Relationship between physical layer slot position counter and MAC slot assignment .64
8.1.1.4 Timing relationship between upstream and downstream MAC Messages.64
8.1.2 Access modes (Contention/Ranging/Fixed rate/Reservation).64
8.2 Overview of cell configurations for DVB-RCT .66
8.2.1 RCTT's Initialization and Sign On procedure.68
8.3 Upstream message format .68
8.4 Downstream message format .69
8.4.1 MAC message format .69
8.4.2 MAC Initialization and Provisioning.72
8.4.2.1 Provisioning Channel Message (Broadcast Downstream).72
8.4.2.2 Default Configuration Message (Broadcast Downstream) .73
8.4.3 Sign On and Calibration .79
8.4.3.1 Ranging and Power Calibration Message (Broadcast/Singlecast Downstream).80
8.4.3.2 Sign-On Message (Singlecast Upstream) .83
8.4.3.3 Initialization Complete Message (Singlecast Downstream) .84
8.4.3.4 Slot State Message (Broadcast Downstream).85
8.4.4 Connection establishment.87
8.4.4.1 Establishment of the first (initial) connection .87
8.4.4.2 Connect Message (Singlecast Downstream).88
8.4.4.3 Connect Response (Upstream Contention or Reserved).93
8.4.4.4 Connect Confirm (Singlecast Downstream) .93
ETSI

---------------------- Page: 6 ----------------------

SIST EN 301 958 V1.1.1:2005
 5 ETSI EN 301 958 V1.1.1 (2002-03)
8.4.4.5 Establishment of additional connections.94
8.4.4.6 Resource Request Message (Upstream) .94
8.4.4.7 Resource Request Denied Message (Singlecast Downstream).95
8.4.5 Connection release.95
8.4.5.1 Release Message (Singlecast Downstream).96
8.4.5.2 Release Response (Upstream contention or reserved).96
8.4.6 Fixed rate access .96
8.4.7 Contention based access .97
8.4.8 Reservation access.97
8.4.8.1 Reservation ID Assignment Message (Singlecast Downstream).98
8.4.8.2 Reservation ID Response Message (Upstream contention or reserved) .99
8.4.8.3 Reservation Request Message (Upstream contention or reserved).99
8.4.8.3.1 Reservation Grant Message (Broadcast Downstream) .100
8.4.8.4 Reservation Status Request (Upstream contention or reserved).102
8.4.9 MAC Link Management.102
8.4.9.1 Power and Timing Management .102
8.4.9.2 TFDMA Allocation Management.103
8.4.9.3 Reprovision Message (Singlecast Downstream) .103
8.4.9.4 Channel Error Management .105
8.4.9.5 Idle Message (Upstream contention or reserved) .105
8.4.9.6 Link Management messages.105
8.4.9.7 Transmission Control Message (Singlecast or Broadcast Downstream) .108
8.4.9.8 Link Management Response Message (Upstream contention or reserved) .111
8.4.9.9 Status Request Message (Downstream Singlecast) .111
8.4.9.10 Status Response Message (Upstream Contention or reserved).112
8.4.9.11 US_Contention_Optimized_Transmission_Window_Message.114
8.5 Security (optional).115
8.5.1 Cryptographic primitives.115
8.5.1.1 Public key exchange.116
8.5.1.2 Hashing.116
8.5.1.3 Encryption.116
8.5.1.4 Pseudo-random numbers.117
8.5.2 Main Key Exchange, MKE.117
8.5.3 Quick Key Exchange, QKE .118
8.5.4 Explicit Key Exchange, EKE.118
8.5.5 Key derivation.118
8.5.6 Data stream processing .119
8.5.6.1 Payload streams.119
8.5.6.2 Data encryption.119
8.5.6.3 Encryption flags.120
8.5.6.4 Chaining and initialization vector .120
8.5.7 Security Establishment.120
8.5.8 Persistent state variables .121
8.5.8.1 Guaranteed delivery.121
8.5.9 Security MAC messages.122
8.5.9.1 Security Sign-On (Single-cast Downstream).122
8.5.9.2 Security Sign-On Response (Upstream) .123
8.5.9.3 Main Key Exchange (Single-cast Downstream).123
8.5.9.4 Main Key Exchange Response (Upstream) .124
8.5.9.5 Quick Key Exchange (Single-cast Downstream) .125
8.5.9.6 Quick Key Exchange Response (Upstream).125
8.5.9.7 Explicit Key Exchange (Single-cast Downstream).126
8.5.9.8 Explicit Key Exchange Response (Upstream).126
8.5.9.9 Wait (Upstream).127
8.6 MAC primitives.127
8.7 Control and resource primitives .128
8.7.1 On RCTT side.128
8.7.1.1 MAC_ACTIVATION_REQ.128
8.7.1.2 MAC_ACTIVATION_CNF.129
8.7.1.3 MAC_CONNECT_IND.130
8.7.1.4 MAC_RSV_ID_IND.132
8.7.1.5 MAC_RELEASE_IND.132
ETSI

---------------------- Page: 7 ----------------------

SIST EN 301 958 V1.1.1:2005
 6 ETSI EN 301 958 V1.1.1 (2002-03)
8.7.1.6 MAC_RESOURCE_REQ.132
8.7.1.7 MAC_RESOURCE_CNF.134
8.7.1.8 MAC_RESOURCE_DENIED_IND.134
8.7.2 On INA side.134
8.7.2.1 MAC_INA_RESOURCE_REQ.134
8.7.2.2 MAC_INA_RESOURCE_IND.
...