ETSI ETR 093 TECHNICAL September 1993 REPORT Source: ETSI TC-SES Reference: DTR/SES-05007 ICS: 33.060 Key words: Standardisation, S-PCN Satellite Earth Stations (SES); Possible European standardisation of certain aspects of Satellite Personal Communications Networks (S-PCN) Phase 1 report ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: [email protected] Tel.: +33 92 94 42 00 - Fax: +33 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. New presentation - see History box © European Telecommunications Standards Institute 1993. All rights reserved. Page 2 ETR 093: September 1993 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to "ETSI Editing and Committee Support Dept." at the address shown on the title page. Page 3 ETR 093: September 1993 Contents Foreword .....................................................................................................................................................15 Introduction..................................................................................................................................................15 1 Scope ................................................................................................................................................19 2 References........................................................................................................................................19 3 Abbreviations.....................................................................................................................................20 4 Satellite personal communications concepts ....................................................................................23 4.1 Personal communication (the evolution towards Personal Communications Network (PCN))................................................................................................................................23 4.2 Personal communications via satellite...............................................................................24 4.3 Type of services.................................................................................................................25 4.3.1 Mobile voice service ......................................................................................25 4.3.2 Mobile real time data service.........................................................................25 4.3.3 Mobile store and forward data service ..........................................................25 4.3.4 Paging/messaging.........................................................................................26 4.3.5 Paging with acknowledgement......................................................................26 4.3.6 Positioning (radiodetermination)....................................................................26 4.3.7 Position reporting and related services .........................................................26 4.4 Additional services (non S-PCN) .......................................................................................27 4.5 Frequency availability for S-PCNs .....................................................................................27 4.5.1 Frequency sharing.........................................................................................27 4.5.2 Frequency re-use in S-PCN ..........................................................................28 5 General NGSO concepts ..................................................................................................................28 5.1 Non-geostationary orbits and constellations ......................................................................28 5.2 Satellite personal communications with NGSO satellites ..................................................28 5.2.1 S-PCNs via multiple NGSO satellites............................................................29 5.2.2 Global systems..............................................................................................29 5.2.2.1 Global radio coverage..........................................................30 5.2.2.2 Network architectures..........................................................30 5.2.3 Service availability .........................................................................................31 5.2.4 Service quality ...............................................................................................31 5.2.5 Integration .....................................................................................................32 5.2.5.1 Mobility and roaming............................................................34 5.2.5.2 NGSO multiple access ........................................................35 5.2.5.3 Handover and routing ..........................................................35 5.2.5.3.1 Handover in LEO systems ....................36 5.2.5.3.2 Handover in HIO/HEO systems ............36 5.2.5.3.3 Routing..................................................36 5.2.5.4 Integration with GSM ...........................................................38 5.2.6 Network access and co-ordination ................................................................40 5.2.6.1 Network access ...................................................................40 5.2.6.1.1 Resource assignment...........................41 5.2.6.1.2 Resource sharing and co-ordination.....42 5.2.6.2 Network Co-ordination.........................................................43 5.2.7 NGSO satellites.............................................................................................43 6 Review of international activities relating to NGSO systems.............................................................44 6.1 ITU activities ......................................................................................................................44 6.2 Federal Communications Commission (FCC) activities ....................................................45 Page 4 ETR 093: September 1993 7 Proposals for S-PCN ........................................................................................................................ 45 7.1 Proposed NGSO systems above 1 GHz ........................................................................... 46 7.1.1 Aries (Constellation Communications Inc.)................................................... 46 7.1.1.1 Overall system description.................................................. 46 7.1.1.1.1 Space segment .................................... 46 7.1.1.1.2 User segment....................................... 48 7.1.1.1.3 Gateways ............................................. 48 7.1.1.2 Network operation............................................................... 51 7.1.1.2.1 Description ........................................... 51 7.1.1.2.2 Call setup/routing/handover/cleardown algorithms............................................. 51 7.1.1.2.3 Inter-working ........................................ 51 7.1.1.2.4 Air interface .......................................... 51 7.1.1.2.5 Control and monitoring......................... 51 7.1.1.2.6 Numbering and billing........................... 51 7.1.1.3 Services specifications........................................................ 51 7.1.1.3.1 Voice .................................................... 51 7.1.1.3.2 Additional services ............................... 51 7.1.1.3.3 Quality and availability.......................... 52 7.1.1.4 FCC or other national filings................................................ 52 7.1.1.5 ITU/IFRB filings................................................................... 52 7.1.2 Diamond (British Aerospace Satellite Systems Ltd.) .................................... 52 7.1.2.1 Overall system description.................................................. 52 7.1.2.1.1 Space segment .................................... 53 7.1.2.1.2 User segment....................................... 54 7.1.2.1.3 Gateways ............................................. 54 7.1.2.2 Network operation............................................................... 54 7.1.2.3 Services specifications........................................................ 54 7.1.2.3.1 Voice .................................................... 54 7.1.2.3.2 Additional services ............................... 54 7.1.2.3.3 Quality and availability.......................... 56 7.1.2.4 FCC or other national filings................................................ 56 7.1.2.5 ITU/IFRB filings................................................................... 56 7.1.3 Ellipso (Ellipsat Corporation) ........................................................................ 56 7.1.3.1 Overall system description.................................................. 56 7.1.3.1.1 Space segment .................................... 56 7.1.3.1.2 User segment....................................... 58 7.1.3.1.3 Gateways ............................................. 59 7.1.3.2 Network operation............................................................... 59 7.1.3.3 Services