ETSI TS 103 246-2 V1.2.1 (2017-03) TECHNICAL SPECIFICATION Satellite Earth Stations and Systems (SES); GNSS based location systems; Part 2: Reference Architecture 2 ETSI TS 103 246-2 V1.2.1 (2017-03) Reference RTS/SES-00407 Keywords architecture, GNSS, location, MSS, navigation, receiver, satellite, system, terminal ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 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 The present document can be downloaded from: http://www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. 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ETSI 3 ETSI TS 103 246-2 V1.2.1 (2017-03) Contents Intellectual Property Rights ................................................................................................................................ 5 Foreword ............................................................................................................................................................. 5 Modal verbs terminology .................................................................................................................................... 5 Introduction ........................................................................................................................................................ 5 1 Scope ........................................................................................................................................................ 6 2 References ................................................................................................................................................ 6 2.1 Normative references ......................................................................................................................................... 6 2.2 Informative references ........................................................................................................................................ 7 3 Definitions and abbreviations ................................................................................................................... 7 3.1 Definitions .......................................................................................................................................................... 7 3.2 Abbreviations ................................................................................................................................................... 10 4 Requirements for GNSS-based Location Systems ................................................................................. 11 5 GBLS Architecture (Level 1) ................................................................................................................. 12 5.1 Level 1 architecture functional blocks and logical interfaces ........................................................................... 12 5.2 External Functional Blocks .............................................................................................................................. 14 5.2.1 GNSS and Other External Systems ............................................................................................................. 14 5.2.1.1 GNSS .................................................................................................................................................... 14 5.2.1.2 Other External Systems ......................................................................................................................... 14 5.2.3 Application(s) ............................................................................................................................................. 14 5.3 GBLS Functions ............................................................................................................................................... 15 5.4 GBLS External Interfaces................................................................................................................................. 15 6 GBLS Architecture (Level 2) ................................................................................................................. 15 6.1 Level 2 architecture mandatory and optional components ............................................................................... 15 6.1.1 General ........................................................................................................................................................ 15 6.1.2 GBLS architecture with Target Positioning Module only .......................................................................... 17 6.1.3 GBLS architecture with Target Positioning Module and Central Facility .................................................. 18 6.2 Positioning Module (PM) ................................................................................................................................. 19 6.2.1 Sensor Management .................................................................................................................................... 19 6.2.2 On-board Position Calculation Module (OBPCM) ..................................................................................... 19 6.2.3 Application Interface Module ..................................................................................................................... 19 6.3 Central Facility (CF) ........................................................................................................................................ 19 6.3.1 Centralized Position Calculation Module (CPCM) ..................................................................................... 19 6.3.2 Central Management Module (CMM) ........................................................................................................ 19 6.3.3 Application Interface Module ..................................................................................................................... 20 6.4 Core Interface ................................................................................................................................................... 20 7 GBLS Architecture (Level 3) ................................................................................................................. 21 7.1 Level 3 detailed architecture ............................................................................................................................ 21 7.1.1 Generic GBLS ............................................................................................................................................ 21 7.2 Functional Block Definitions ........................................................................................................................... 21 7.2.1 List of functional blocks ............................................................................................................................. 21 7.2.2 GNSS Sensor .............................................................................................................................................. 22 7.2.3 Telecommunication Module ....................................................................................................................... 22 7.2.4 Inertial Sensor ............................................................................................................................................. 23 7.2.5 Magnetometer ............................................................................................................................................. 23 7.2.6 Odometer .................................................................................................................................................... 23 7.2.7 Beam Forming Antenna .............................................................................................................................