ISO 17808:2014 PDF

Space data and information transfer systems — Telemetry (TM) channel coding profiles

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Title (English):

ISO 17808:2014

Space data and information transfer systems — Telemetry (TM) channel coding profiles

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 12
Publication date:: June 23, 2014
Edition:: ISO IS 17808 edition 1 version 1
ICS:: 49.140

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Description (English):

ISO 17808:2014 presents recommendations regarding the usage of coding schemes described in references [1]-[2] in the various mission profiles that are encountered in space research, space operations, and Earth exploration. Within this document, it is assumed that at the sending end the Synchronization and Channel Coding sublayer accepts at a constant rate transfer frames of fixed length from the Data Link protocol sublayer; performs the encoding and synchronization functions selected for the mission; and delivers a continuous and contiguous stream of channel symbols to the Physical layer. At the receiving end, the Synchronization and Channel Coding sublayer: accepts a continuous and contiguous stream of channel symbols from the Physical layer; performs the synchronization and decoding functions selected for the mission; delivers transfer frames to the Data Link protocol sublayer. Profiles for Earth-to-space and Proximity links are out of scope and are not addressed in this document. Communication profiles for space-to-Earth links that are currently not supported by CCSDS, e.g. via data relay satellites, are not addressed in this document.

Technical details

Technical committee: ISO/TC 20/SC 13 - Space data and information transfer systems
SKU: ISO 17808:2014

Abstract

Overview

ISO 17808:2014 - "Space data and information transfer systems - Telemetry (TM) channel coding profiles" provides guidance and recommended practices for selecting and applying channel coding schemes on space-to-Earth telemetry links. Adopted from CCSDS 131.4‑M‑1, this standard describes how the Synchronization and Channel Coding sublayer should operate at both transmitting and receiving ends, and maps coding options to common mission profiles (near‑Earth, deep space, Earth exploration). Note: Earth‑to‑space, Proximity links and some relay scenarios (e.g., unsupported data‑relay profiles) are out of scope.

Key topics and requirements

Scope and mission profiles: Recommendations address space research, space operations and Earth exploration missions, including near‑Earth and deep space scenarios.
Sublayer assumptions:
- Transmitter sublayer accepts fixed‑length transfer frames at a constant rate from the Data Link sublayer, performs selected encoding and synchronization, and outputs a continuous stream of channel symbols to the Physical layer.
- Receiver sublayer accepts a continuous stream of channel symbols, performs synchronization and decoding, validates frames for potential undetected errors, and delivers transfer frames to the Data Link sublayer.
Coding scheme selection: Guidance on when to apply different forward error correction approaches (e.g., punctured convolutional codes, LDPC and other CCSDS‑retained codes) based on link dynamics, data rate and bandwidth constraints.
Link adaptation considerations: Discusses Variable Coding and Modulation (VCM) and Adaptive Coding and Modulation (ACM) for dynamic links (e.g., LEO Earth‑exploration satellites, atmospheric effects at high frequencies).
Standards relationship: ISO 17808:2014 adopts CCSDS 131.4‑M‑1 with specific editorial modifications and identifies related CCSDS/ISO references for coding scheme definitions.

Applications and users

ISO 17808:2014 is relevant to:

Spacecraft communication system designers selecting telemetry channel codes for specific mission profiles.
Mission architects balancing coding gain, bandwidth expansion and data throughput for near‑Earth and deep‑space links.
Ground station and network engineers implementing receiver synchronization and decoding functions.
Systems integrators, standards bodies and agencies (ESA, NASA, JAXA, etc.) using CCSDS/ISO harmonized practices for interoperability.

Practical uses include choosing appropriate FEC schemes for high‑rate Earth‑observation downlinks, designing robust deep‑space telemetry channels, and implementing VCM/ACM strategies to maximize throughput during variable link conditions.

Related standards

CCSDS 131.4‑M‑1 (TM Channel Coding Profiles) - original Recommended Practice adopted by ISO.
CCSDS 131.0‑B‑2 (equivalent to ISO 22641:2012) - referenced for coding scheme definitions and background.

Keywords: ISO 17808:2014, TM channel coding profiles, telemetry channel coding, CCSDS, synchronization and channel coding sublayer, forward error correction, LDPC, punctured convolutional codes, VCM, ACM, space‑to‑Earth links.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key topics and requirements

Scope and mission profiles: Recommendations address space research, space operations and Earth exploration missions, including near‑Earth and deep space scenarios.
Sublayer assumptions:
- Transmitter sublayer accepts fixed‑length transfer frames at a constant rate from the Data Link sublayer, performs selected encoding and synchronization, and outputs a continuous stream of channel symbols to the Physical layer.
- Receiver sublayer accepts a continuous stream of channel symbols, performs synchronization and decoding, validates frames for potential undetected errors, and delivers transfer frames to the Data Link sublayer.
Coding scheme selection: Guidance on when to apply different forward error correction approaches (e.g., punctured convolutional codes, LDPC and other CCSDS‑retained codes) based on link dynamics, data rate and bandwidth constraints.
Link adaptation considerations: Discusses Variable Coding and Modulation (VCM) and Adaptive Coding and Modulation (ACM) for dynamic links (e.g., LEO Earth‑exploration satellites, atmospheric effects at high frequencies).
Standards relationship: ISO 17808:2014 adopts CCSDS 131.4‑M‑1 with specific editorial modifications and identifies related CCSDS/ISO references for coding scheme definitions.

Applications and users

ISO 17808:2014 is relevant to:

Spacecraft communication system designers selecting telemetry channel codes for specific mission profiles.
Mission architects balancing coding gain, bandwidth expansion and data throughput for near‑Earth and deep‑space links.
Ground station and network engineers implementing receiver synchronization and decoding functions.
Systems integrators, standards bodies and agencies (ESA, NASA, JAXA, etc.) using CCSDS/ISO harmonized practices for interoperability.

Related standards

CCSDS 131.4‑M‑1 (TM Channel Coding Profiles) - original Recommended Practice adopted by ISO.
CCSDS 131.0‑B‑2 (equivalent to ISO 22641:2012) - referenced for coding scheme definitions and background.

ISO 17808:2014 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Applications and users

Related standards

Related standards

Space data and information transfer systems — TM (telemetry) synchronization and channel coding

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