GB/T 43372-2023Space data and information transfer systems—Deep space optical communications physical layer (English PDF)

Foreword

The document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

Introduction

With the development of laser communication technology in the field of deep space exploration, its application scenarios include direct-to-Earth communication of deep space detectors, deep space detectors Relay communications with near-Earth satellites and communications with deep space probes and landers, etc. In the context of considering international cooperation in deep space exploration, this document only Limited to deep space to ground application scenarios, optical ground stations from various countries can be fully utilized to improve the reliability of deep space laser communications, which can be expanded in the future.

1 Scope

This document describes the functions and downlink signals of the physical layer of space-to-Earth optical communications in the context of deep space missions in the field of space data and information transmission. characteristics, uplink beacon and optional data transmission signaling characteristics and management parameters.

This document is applicable to high photon efficiency links in air-to-ground and ground-to-space scenarios transmitted through atmospheric channels in the field of deep space laser communications. Other applications are used for reference.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 42041 Aerospace terminology space data and information transmission

3 Terms and definitions

The terms and definitions defined in GB/T 42041 and the following apply to this document.