Access protocols and on-board switch techniques for multimedia personal satellite communications
Access protocols and on-board switch techniques for multimedia personal satellite communications
- Author(s): P.J. Garland ; P. Takats ; T. Le-Ngoc
- DOI: 10.1049/cp:19950010
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- Author(s): P.J. Garland ; P. Takats ; T. Le-Ngoc Source: 10th International Conference on Digital Satellite Communications (ICDSC-10), 1995 p. 63 – 71
- Conference: 10th International Conference on Digital Satellite Communications (ICDSC-10)
- DOI: 10.1049/cp:19950010
- ISBN: 0 85296 635 0
- Location: Brighton, UK
- Conference date: 15-19 May 1995
- Format: PDF
The authors draw on four years of study on a proposed Canadian satellite system, to compare switching, uplink access and downlink distribution techniques for multimedia. Satellite systems offer special challenges to those who wish to offer multimedia service at an affordable cost. The space resource is a precious commodity and both bandwidth and power must be used efficiently. The traffic profiles and resource requirements of multimedia sessions are far different than those for telephony. These profiles are examined against conventional link access and switching techniques being used today, in satellite systems, for both single media voice and data. Finally, an optimum combination of uplink access, downlink resource allocation and switching is proposed for a multimedia satellite system. This is compared with more conventional telephony based systems and under a representative multimedia traffic profile, a parametric assessment of satellite resource efficiency is produced.
Inspec keywords: telecommunication traffic; multimedia communication; personal communication networks; packet switching; time division multiple access; mobile satellite communication
Subjects: Multiple access communication; Multimedia communications; Satellite communication systems; Protocols; Communication switching; Mobile radio systems
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