Interactive multimedia satellite access communications

被引：17
作者：
Le-Ngoc, T [1 ]
Leung, V
Takats, P
Garland, P
机构：
[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2T5, Canada
[2] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
来源：
IEEE COMMUNICATIONS MAGAZINE | 2003年 / 41卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Broadband satellite access (BSA);
D O I：
10.1109/MCOM.2003.1215643
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Recent advances in satellite technology are making possible the development of broadband satellite access (BSA) systems for two-way access to multimedia Internet services. This article provides an overview of BSA systems with an emphasis on resource management and interworking techniques to support IP-based multimedia services. The article draws on collaborative research performed over the past few years as part of the Broadband Satellite Communications Major Project of the Canadian Institute of Telecommunications Research. Some key innovations are described: combined free/demand assigned multiple access (CFDAMA) for dynamic satellite bandwidth allocation; an architecture for DiffServ provisioning over BSA systems; and a dynamic TCP Vegas protocol as a proxy service for split-TCP connections over BSA systems.
引用
收藏
页码：78 / 85
页数：8
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