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Voice Communications Report Concerning Space Data System Standards VOICE COMMUNICATIONS INFORMATIONAL REPORT CCSDS 706.2-G-2 GREEN BOOK December 2018 Report Concerning Space Data System Standards VOICE COMMUNICATIONS INFORMATIONAL REPORT CCSDS 706.2-G-2 GREEN BOOK December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS AUTHORITY Issue: Informational Report, Issue 2 Date: December 2018 Location: Washington, DC, USA This document has been approved for publication by the Management Council of the Consultative Committee for Space Data Systems (CCSDS) and reflects the consensus of technical panel experts from CCSDS Member Agencies. The procedure for review and authorization of CCSDS Reports is detailed in Organization and Processes for the Consultative Committee for Space Data Systems (CCSDS A02.1-Y-4). This document is published and maintained by: CCSDS Secretariat National Aeronautics and Space Administration Washington, DC, USA E-mail: [email protected] CCSDS 706.2-G-2 Page i December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS FOREWORD Through the process of normal evolution, it is expected that expansion, deletion, or modification of this document may occur. This Report is therefore subject to CCSDS document management and change control procedures, which are defined in Organization and Processes for the Consultative Committee for Space Data Systems (CCSDS A02.1-Y-4). Current versions of CCSDS documents are maintained at the CCSDS Web site: http://www.ccsds.org/ Questions relating to the contents or status of this document should be sent to the CCSDS Secretariat at the e-mail address indicated on page i. CCSDS 706.2-G-2 Page ii December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS At time of publication, the active Member and Observer Agencies of the CCSDS were: Member Agencies – Agenzia Spaziale Italiana (ASI)/Italy. – Canadian Space Agency (CSA)/Canada. – Centre National d’Etudes Spatiales (CNES)/France. – China National Space Administration (CNSA)/People’s Republic of China. – Deutsches Zentrum für Luft- und Raumfahrt (DLR)/Germany. – European Space Agency (ESA)/Europe. – Federal Space Agency (FSA)/Russian Federation. – Instituto Nacional de Pesquisas Espaciais (INPE)/Brazil. – Japan Aerospace Exploration Agency (JAXA)/Japan. – National Aeronautics and Space Administration (NASA)/USA. – UK Space Agency/United Kingdom. Observer Agencies – Austrian Space Agency (ASA)/Austria. – Belgian Federal Science Policy Office (BFSPO)/Belgium. – Central Research Institute of Machine Building (TsNIIMash)/Russian Federation. – China Satellite Launch and Tracking Control General, Beijing Institute of Tracking and Telecommunications Technology (CLTC/BITTT)/China. – Chinese Academy of Sciences (CAS)/China. – Chinese Academy of Space Technology (CAST)/China. – Commonwealth Scientific and Industrial Research Organization (CSIRO)/Australia. – Danish National Space Center (DNSC)/Denmark. – Departamento de Ciência e Tecnologia Aeroespacial (DCTA)/Brazil. – Electronics and Telecommunications Research Institute (ETRI)/Korea. – European Organization for the Exploitation of Meteorological Satellites (EUMETSAT)/Europe. – European Telecommunications Satellite Organization (EUTELSAT)/Europe. – Geo-Informatics and Space Technology Development Agency (GISTDA)/Thailand. – Hellenic National Space Committee (HNSC)/Greece. – Hellenic Space Agency (HSA)/Greece. – Indian Space Research Organization (ISRO)/India. – Institute of Space Research (IKI)/Russian Federation. – Korea Aerospace Research Institute (KARI)/Korea. – Ministry of Communications (MOC)/Israel. – Mohammed Bin Rashid Space Centre (MBRSC)/United Arab Emirates. – National Institute of Information and Communications Technology (NICT)/Japan. – National Oceanic and Atmospheric Administration (NOAA)/USA. – National Space Agency of the Republic of Kazakhstan (NSARK)/Kazakhstan. – National Space Organization (NSPO)/Chinese Taipei. – Naval Center for Space Technology (NCST)/USA. – Research Institute for Particle & Nuclear Physics (KFKI)/Hungary. – Scientific and Technological Research Council of Turkey (TUBITAK)/Turkey. – South African National Space Agency (SANSA)/Republic of South Africa. – Space and Upper Atmosphere Research Commission (SUPARCO)/Pakistan. – Swedish Space Corporation (SSC)/Sweden. – Swiss Space Office (SSO)/Switzerland. – United States Geological Survey (USGS)/USA. CCSDS 706.2-G-2 Page iii December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS DOCUMENT CONTROL Document Title Date Status CCSDS Voice Communications, September Original issue, 706.2-G-1 Informational Report, Issue 1 2010 superseded CCSDS Voice Communications, December Current issue 706.2-G-2 Informational Report, Issue 2 2018 CCSDS 706.2-G-2 Page iv December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS CONTENTS Section Page 1 INTRODUCTION .......................................................................................................... 1-1 1.1 PURPOSE AND SCOPE OF THIS DOCUMENT ................................................ 1-1 1.2 DOCUMENT STRUCTURE ................................................................................. 1-1 1.3 DEFINITIONS ........................................................................................................ 1-1 1.4 REFERENCES ....................................................................................................... 1-3 2 VOICE COMMUNICATIONS IN FLIGHT OPERATIONS ................................... 2-1 2.1 INTRODUCTION .................................................................................................. 2-1 2.2 VOICE COMMUNICATIONS .............................................................................. 2-3 2.3 AUDIO COMMUNICATIONS ............................................................................. 2-7 2.4 GROUND VOICE SYSTEMS ............................................................................... 2-8 2.5 SPACECRAFT AUDIO COMMUNICATIONS ................................................. 2-16 2.6 VOICE CONNECTIVITY AMONG AGENCIES ............................................... 2-21 3 TECHNICAL DRIVERS .............................................................................................. 3-1 3.1 INTRODUCTION—OVERALL APPROACH ..................................................... 3-1 3.2 EARTH SEGMENT ............................................................................................... 3-3 3.3 LOCAL SEGMENT (LUNAR OR MARS ON GROUND) .................................. 3-5 3.4 SHORT-HAUL SEGMENT ................................................................................... 3-7 3.5 LONG-HAUL SEGMENT ..................................................................................... 3-8 ANNEX A ACRONYMS AND ABBREVIATIONS ...................................................... A-1 ANNEX B CODEC SHORT DESCRIPTIONS ..............................................................B-1 ANNEX C PROTOCOLS USED FOR VOICE TRANSMISSION ............................. C-1 ANNEX D EXPANDED DISCUSSION OF COMMUNICATIONS QUALITY AND IMPORTANT DEFINITIONS ........................................ D-1 Figure 2-1 ISS Flight Control Room at NASA Mission Control Center ....................................... 2-3 2-2 The Russian ISS Flight Control Room ......................................................................... 2-4 2-3 Mission Operations Voice Context Diagram ................................................................ 2-6 2-4 Example of the Keyset Layout.................................................................................... 2-11 2-5 Example of the Keyset Layout.................................................................................... 2-12 3-1 Lunar Surface Operations ............................................................................................. 3-2 CCSDS 706.2-G-2 Page v December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS CONTENTS (continued) Table Page 2-1 Headset Devices Examples ......................................................................................... 2-13 2-2 Voice Channels ........................................................................................................... 2-21 3-1 The Voice Segments ..................................................................................................... 3-1 3-2 Earth Segment Communications Options ..................................................................... 3-3 3-3 Local Segment Communications Options .................................................................... 3-6 3-4 Short Haul Communications Options ........................................................................... 3-7 3-5 Long Haul Communications Options ........................................................................... 3-8 C-1 Protocols Used for Voice Transmission .......................................................................C-1 CCSDS 706.2-G-2 Page vi December 2018 CCSDS REPORT CONCERNING VOICE COMMUNICATIONS 1 INTRODUCTION 1.1 PURPOSE AND SCOPE OF THIS DOCUMENT This CCSDS Informational Report presents an overview of voice communications in crewed space operations. The voice communications system for satellite operations is a strongly reduced version of that used for crewed space flight. Only Launch and Early Orbit Phase (LEOP) operations can be seen as having a similar complexity, but there is still a reduced version of a voice system dedicated to talking to astronauts. This document has been prepared by the Voice Working Group of the CCSDS Space and Internetworking Services
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