TR 101 865 : 1.2.1

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 Background to IMT-2000 and Satellite-UMTS
   4.1 S-UMTS as in integral part of the UMTS network
   4.2 Evolution of current satellite systems to deliver enhanced
       services
5 Service Aspects
   5.1 General 3G service aspect
       5.1.1 Service principles
       5.1.2 Service capabilities
             5.1.2.1 Multimedia
             5.1.2.2 Service architecture
       5.1.3 Telecommunication services and applications
             5.1.3.1 General
             5.1.3.2 Basic telecommunication services
             5.1.3.3 Supplementary services
             5.1.3.4 Quality of Service requirements
       5.1.4 Location based services
   5.2 Satellite service characteristics
       5.2.1 Satellite main characteristics
             5.2.1.1 Implications upon the service attributes
             5.2.1.2 Satellite transport and IP-based services
       5.2.2 Potential service areas for S-UMTS
             5.2.2.1 S-UMTS service categories
             5.2.2.2 Multicast/Broadcast services aspects
       5.2.3 The potential role of S-UMTS: S-UMTS vs T-UMTS services
             5.2.3.1 S-UMTS complementing T-UMTS
             5.2.3.2 Geographical Complement/Early Service Proposition
                     scenarios
             5.2.3.3 Service complement scenarios
6 Terminals and intermediate modules repeaters for S-UMTS
   6.1 General aspects
       6.1.1 Terminal characteristics
             6.1.1.1 Terminal cost
             6.1.1.2 Radio transmission technology
             6.1.1.3 Terminal transportability
             6.1.1.4 Terminal capabilities and performance
             6.1.1.5 Terminal extensions
       6.1.2 Considered intermediate module repeater types (IMR)
             6.1.2.1 Simple bi-directional IMR
             6.1.2.2 Simple unidirectional IMR
             6.1.2.3 Simple IMR with a subset of node B
                     functionalities
             6.1.2.4 IMR with full Node B functionalities
             6.1.2.5 IMR with full Node B and RNC functionalities
             6.1.2.6 Conclusion
   6.2 Architecture and design aspects
       6.2.1 Terminal functional modules
             6.2.1.1 RF front-end and antenna
             6.2.1.2 Inner modem hard - and software
             6.2.1.3 Outer modem hardware and software
       6.2.2 Multi-standard and SDR
       6.2.3 Power consumption and low power aspects
             6.2.3.1 Baseband
             6.2.3.2 Analogue part
             6.2.3.3 Display
       6.2.4 IMR basic architecture and characteristics
             6.2.4.1 Architecture
             6.2.4.2 Typical characteristics
             6.2.4.3 Issues to be addressed when implementing a
                     IMR (specifying requirements)
             6.2.4.4 Remarks on frequency separation of donor
                     link and service link
             6.2.4.5 Special cases
7 High level reference architectures
   7.1 T-UMTS architecture
       7.1.1 T-UMTS reference architecture
       7.1.2 UTRAN architecture
   7.2 S-UMTS architecture
       7.2.1 System impact
             7.2.1.1 Coverage oriented
             7.2.1.2 Broadcast oriented
       7.2.2 Segments
       7.2.3 Satellite systems classification
       7.2.4 GSO systems
             7.2.4.1 GSO double-hop system
             7.2.4.2 GSO single-hop system
             7.2.4.3 GSO S-UMTS system
       7.2.5 NGSO systems
       7.2.6 NGSO single-hop system
             7.2.6.1 NGSO double-hop system
       7.2.7 Payload aspects
             7.2.7.1 Transparent payloads
             7.2.7.2 Hybrid payloads
             7.2.7.3 Regenerative payloads
             7.2.7.4 Main advantages and drawbacks
       7.2.8 Gateway
8 UMTS/IMT 2000 Interface adaptation to S-UMTS
   8.1 Radio Interface (Uu) specifications for S-UMTS
       8.1.1 Review of ITU-R IMT-2000 Radio Transmission Technologies
       8.1.2 Design considerations for S-UMTS air interfaces
             8.1.2.1 Propagation channel characteristics
             8.1.2.2 Doppler effect
             8.1.2.3 Satellite diversity
             8.1.2.4 Power control
             8.1.2.5 Duplexing mode impact
             8.1.2.6 Synchronization issues
             8.1.2.7 Interworking
             8.1.2.8 Terminal implementation considerations
             8.1.2.9 Recommendations
   8.2 Universal Subscriber Identification Module (USIM) and
       USIM Mobile Terminal Interface (Cu)
       8.2.1 Analysis of USIM and S-UMTS requirements
   8.3 Core Networks interfaces
       8.3.1 Interface with the UMTS core network (Iu)
       8.3.2 Recommendations for interfacing a satellite system
             with the core network at the Iu level
   8.4 IMS and MBMS
   8.5 Packet-mode and S-UMT
   8.6 Multicast
       8.6.1 Multicast in an all-IP CN
             8.6.1.1 The tree-like topology of the network and
                     the IGMP proxying principle
             8.6.1.2 The LAN-like nature of the network
       8.6.2 Multicast in a GPRS-based CN
   8.7 Unidirectional link routing (UDLR) protocol
   8.8 TCP and RTP/UDP flows transport
       8.8.1 TCP flows
             8.8.1.1 Issues
             8.8.1.2 Countermeasures
       8.8.2 UDP flows
   8.9 IP QoS
9 Standards and Regulatory Aspects
   9.1 ITU-R Recommendations for IMT-2000
   9.2 ITU-T Recommendations for IMT-2000
   9.3 ASMS Task Force
10 Survey of current R&D projects related to the satellite
   component of UMTS
   10.1 IST Project: VIRTUOUS
   10.2 ESA: ROBMOD and ATB
        10.2.1 Overview of the ROBMOD ESA project
        10.2.2 Overview of the ATB ESA project
   10.3 IST: SATIN
   10.4 IST: GAUSS
        10.4.1 Objectives
        10.4.2 Contribution to Standardization
11 Summary and Recommendations
   11.1 S-UMTS opportunities
   11.2 Standardization objectives
   11.3 Recommendations for further work
Annex A: 3G services overview
      A.1 The Vision of 3G Applications
      A.2 3G Service Classification: industry view and technical
          perspective
          A.2.1 UMTS Forum service classification
          A.2.2 ITU service classification
          A.2.3 3GPP service classification
          A.2.4 Service Attributes
          A.2.5 Characteristics of services
      A.3 Services classification: The "User" perspective
History

Specifies the general aspects and principles that apply to satellite systems intended to be an integral part of the Universal Mobile Telecommunications System (UMTS)/IMT-2000.