ETSI TR 102 662 V1.1.1 (2010-03) Technical Report Satellite Earth Stations and Systems (SES); Advanced satellite based scenarios and architectures for beyond 3G systems 2 ETSI TR 102 662 V1.1.1 (2010-03) Reference DTR/SES-00288 Keywords 3G, architecture, MSS, satellite 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 Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). 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ETSI 3 ETSI TR 102 662 V1.1.1 (2010-03) Contents Intellectual Property Rights ................................................................................................................................ 9 Foreword ............................................................................................................................................................. 9 Introduction ........................................................................................................................................................ 9 1 Scope ...................................................................................................................................................... 10 2 References .............................................................................................................................................. 10 2.1 Normative references ....................................................................................................................................... 10 2.2 Informative references ...................................................................................................................................... 10 3 Abbreviations ......................................................................................................................................... 28 4 Overview on future Mobile Satellite Systems ........................................................................................ 33 4.1 Aims ................................................................................................................................................................. 33 4.2 Future Mobile Satellite System Architectures .................................................................................................. 34 4.2.1 Medium-Term Architecture ........................................................................................................................ 34 4.2.2 Long-Term Architecture ............................................................................................................................. 36 4.3 Land Mobile Satellite Channel Modelling ....................................................................................................... 37 4.3.1 Summary of Models and Conclusions ........................................................................................................ 37 5 Analysis of Medium-Term MSS Architecture ....................................................................................... 38 5.1 QoS Requirements ............................................................................................................................................ 38 5.2 Signal Processing and Diversity Techniques for Improving the Performance of Mobile Satellite Systems .... 39 5.2.1 Signal Detection Technique for Multi-User CDMA systems, Spatially/Polarized multiplexed MIMO and Inter-Spotbeam Interference Suppression ............................................................................................ 40 5.2.2 Diversity and MIMO Techniques ............................................................................................................... 41 5.2.3 Adaptive Beamforming ............................................................................................................................... 41 5.2.4 State-of-the-art Error Correction Codes ...................................................................................................... 42 5.2.5 Time Interleavers ........................................................................................................................................ 42 5.2.6 Conclusions on Signal Processing and Diversity Techniques for Improving the Performance of Mobile Satellite Systems ............................................................................................................................ 42 5.3 Upper-Layer Error Control Techniques ........................................................................................................... 43 5.3.1 Introduction................................................................................................................................................. 43 5.3.2 Upper-Layer Coding and Interleaving ........................................................................................................ 43 5.3.3 Feedback-based Schemes ........................................................................................................................... 43 5.3.3.1 ARQ ...................................................................................................................................................... 43 5.3.3.2 Hybrid ARQ .......................................................................................................................................... 44 5.3.4 Satellite Reliable Multicast Transport Protocols......................................................................................... 44 5.3.4.1 Reliable Multicast over Unidirectional Satellite Link (RMUS) ............................................................ 44 5.3.4.2 Satellite Reliable Multicast Transport Protocol (SRMTP) .................................................................... 45 5.3.4.3 SATellite Reliable Multicast Transport Protocol (SAT-RMTP) ........................................................... 45 5.3.5 Conclusions on Upper-Layer Error Control Techniques ............................................................................ 45 5.4 Existing satellite systems and standards ........................................................................................................... 45 5.4.1 Fixed and Broadcast satellite systems and standards .................................................................................. 46 5.4.1.1 DVB-SH, DVB-S/S2 and DVB-RCS .................................................................................................... 46 5.4.1.2 SATMODE ........................................................................................................................................... 46 5.4.1.3 Conclusions on existing fixed and broadcast satellite systems and standards ....................................... 46 5.4.2 Mobile satellite standards ........................................................................................................................... 47 5.4.2.1 Existing mobile satellite systems and standards .................................................................................... 47 5.4.2.2 New and emerging mobile satellite systems and standards ................................................................... 47 5.4.2.3 Conclusion on mobile satellite systems and standards .......................................................................... 47 5.5 New existing mobile Terrestrial Standards ...................................................................................................... 48 5.5.1 IEEE Mobile WiMAX ................................................................................................................................ 48 5.5.2 3GPP evolutions including LTE (Long Term Evolution of UMTS)........................................................... 49 5.5.3 Conclusions on New existing mobile Terrestrial Standards ....................................................................... 50 6 Analysis of Long-Term