EN 301 958 : 1.1.1
Current
The latest, up-to-date edition.
DIGITAL VIDEO BROADCASTING (DVB); INTERACTION CHANNEL FOR DIGITAL TERRESTRIAL TELEVISION (RCT) INCORPORATING MULTIPLE ACCESS OFDM
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 System Architecture for Wireless DVB-T Interaction
Channels
4.1 Protocol stack model
4.2 System Model
5 DVB-RCT Interaction Channel for Terrestrial Networks
5.1 System Concept
5.2 Lower Physical Layer principle
5.3 Forward Interaction Path (Downstream IB)
5.4 Return Interaction Path (Upstream)
6 DVB-RCT Upstream Physical layer specifications
6.1 General principles
6.2 Transmission modes
6.3 Transmission frames
6.3.1 Transmission frames organization in the
Frequency domain
6.3.2 Transmission frame organization in the Time
domain
6.3.2.1 Transmission frame 1 (TF1)
6.3.2.2 Transmission frame 2 (TF2)
6.4 RCTT synchronization
6.4.1 Coarse synchronization
6.4.2 Symbol clock synchronization
6.4.3 Carrier synchronization
6.5 Signal definition
6.6 Transmitted signal
6.7 Randomization, Channel encoding and Interleaving
6.7.1 Data Randomization
6.7.2 Channel encoding
6.7.2.1 Channel encoding using Turbo codes
6.7.2.2 Channel encoding using concatenated
codes
6.7.3 Interleaving
6.8 Modulation Schemes
6.8.1 Constellations
6.8.2 Pilot modulation
6.8.3 Ranging Pilot modulation
6.9 Shaping filters
6.9.1 The Nyquist shaping function
6.9.2 The Rectangular shaping function
6.10 Burst Structure and formatting
6.10.1 Burst Structure 1 (BS1) definition
6.10.1.1 Burst Structure 1 without frequency
hopping
6.10.1.2 Burst Structure 1 with frequency
hopping
6.10.2 Burst Structure 2 (BS2) definition
6.10.2.1 Carrier Allocation for Medium Access
] Scheme 2
6.10.2.2 Carrier Allocation for Medium Access
Scheme 3
6.10.3 Burst Structure 3 (BS3) definition
6.11 Medium Access Schemes
6.11.1 Medium Access Scheme 1
6.11.2 Medium Access Scheme 2
6.11.3 Medium Access Scheme 3
6.11.3.1 Sub-channel format for 2K mode
Structure
6.11.3.2 Sub-channel format for 1K mode
Structure
6.12 Ranging signal and structure
6.12.1 Ranging Sub-Channels Definition
6.12.2 Ranging Sub-Channels Code Producer
6.12.3 Ranging Interval
6.12.4 Long Ranging transmission
6.12.5 Short Ranging transmission
6.13 Transmission capacities
6.13.1 Burst capacity and Bit Rates
6.13.2 Transmission frame duration
6.14 Modulator Performance
6.14.1 Modulator Signal performance
6.14.2 Modulator Switching performance
6.14.3 Spectrum mask
6.14.4 Time and Frequency Accuracy
6.14.4.1 Frequency accuracy
6.14.4.2 Time accuracy
7 Forward Interaction Path Specification
7.1 Downstream General Format
7.2 Upstream Synchronization Field Format
7.3 RCTT synchronization procedure
7.3.1 Overall Events Sequence
7.3.1.1 Initial synchronization procedure
7.3.1.2 Ranging synchronization procedure
8 DVB-RCT MAC layer specifications
8.1 MAC Reference Model
8.1.1 MAC Concept
8.1.1.1 Relationship Between Higher Layers and
MAC Protocol
8.1.1.2 Relationship Between Physical Layer and
MAC Protocol
8.1.1.3 Relationship Between Physical Layer Slot
Position Counter and MAC Slot Assignment
8.1.1.4 Timing relationship between upstream and
downstream MAC Messages
8.1.2 Access Modes
(Contention/Ranging/Fixed rate/Reservation)
8.2 Overview of Cell Configurations for DVB-RCT
8.2.1 RCTT's Initialization and Sign On procedure
8.3 Upstream Message Format
8.4 Downstream Message Format
8.4.1 MAC Message Format
8.4.2 MAC Initialization and Provisioning
8.4.2.1
(Broadcast Downstream)
8.4.2.2
(Broadcast Downstream)
8.4.3 Sign On and Calibration
8.4.3.1
Message (Broadcast/Singlecast Downstream)
8.4.3.2
Upstream)
8.4.3.3
(Singlecast Downstream)
8.4.3.4
Downstream)
8.4.4 Connection Establishment
8.4.4.1 Establishment of the First (Initial)
Connection
8.4.4.2
Downstream)
8.4.4.3
Contention or Reserved)
8.4.4.4
Downstream)
8.4.4.5 Establishment of Additional Connections
8.4.4.6
8.4.4.7
(Singlecast Downstream)
8.4.5 Connection Release
8.4.5.1
Downstream)
8.4.5.2
contention or reserved)
8.4.6 Fixed Rate Access
8.4.7 Contention Based Access
8.4.8 Reservation Access
8.4.8.1
(Singlecast Downstream)
8.4.8.2
(Upstream contention or reserved)
8.4.8.3
(Upstream contention or reserved)
8.4.8.4
(Upstream contention or reserved)
8.4.9 MAC Link Management
8.4.9.1 Power and Timing Management
8.4.9.2 TFDMA Allocation Management
8.4.9.3
Downstream)
8.4.9.4 Channel Error Management
8.4.9.5
or reserved)
8.4.9.6 Link Management Messages
8.4.9.7
(Singlecast or Broadcast Downstream)
8.4.9.8
(Upstream contention or reserved)
8.4.9.9
Singlecast)
8.4.9.10
Contention or reserved)
8.4.9.11
mission_Window_Message
8.5 Security (optional)
8.5.1 Cryptographic primitives
8.5.1.1 Public key exchange
8.5.1.2 Hashing
8.5.1.3 Encryption
8.5.1.4 Pseudo-random numbers
8.5.2 Main Key Exchange, MKE
8.5.3 Quick Key Exchange, QKE
8.5.4 Explicit Key Exchange, EKE
8.5.5 Key derivation
8.5.6 Data stream processing
8.5.6.1 Payload streams
8.5.6.2 Data encryption
8.5.6.3 Encryption flags
8.5.6.4 Chaining and initialization vector
8.5.7 Security Establishment
8.5.8 Persistent state variables
8.5.8.1 Guaranteed delivery
8.5.9 Security MAC Messages
8.5.9.1
Downstream)
8.5.9.2
(Upstream)
8.5.9.3
Downstream)
8.5.9.4
(Upstream)
8.5.9.5
Downstream)
8.5.9.6
(Upstream)
8.5.9.7
Downstream)
8.5.9.8
(Upstream)
8.5.9.9
8.6 MAC Primitives
8.7 Control and Resource Primitives
8.7.1 On RCTT side
8.7.1.1
8.7.1.2
8.7.1.3
8.7.1.4
8.7.1.5
8.7.1.6
8.7.1.7
8.7.1.8
8.7.2 On INA side
8.7.2.1
8.7.2.2
8.8 Data Primitives
8.8.1
8.8.2
8.8.3
8.9 Example MAC Control Scenarios (Informative)
8.9.1 Example MAC Control Scenario on RCTT Side
8.9.2 Example Resource Management Scenario on RCTT Side
8.9.3 Example Resource Management Scenario on INA Side
8.9.4 Example Upstream Data Transfer Scenarios
Annex A (informative): Compatibility issues, Frequency
allocation, Frequency range
A.1 Strategies for gaining Access to Spectrum for
DVB-RCT
A.2 Preliminary considerations on frequency
allocation
A.3 Possible Allocation Mechanisms
A.4 Compatibility issues
A.4.1 Compatibility at the user side
A.4.2 Duplexer
Annex B (informative): Return Channel RF Link budgets and
service ranges
Annex C (informative): TV reception/RCT Txm arrangements
Annex D (informative): Structure and specification of the
RCTT's RF stage
Annex E (informative): MAC Specification and Description
Language (SDL)
Annex F (informative): Bibliography
History
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