Analysis of the efficiency and delay of bandwidth request algorithms in DVB-RCS

被引：0
|
作者：
Omari, A. [1 ]
Seco-Granados, G. [1 ]
Vazquez-Castro, M. A. [1 ]
Morell, A. [1 ]
Lyhyaoui, A. [2 ]
Raissouni, N. [2 ]
机构：
[1] Univ Autonoma Barcelona, Dept Telecommun & Syst Engn, E-08193 Barcelona, Spain
[2] Natl Sch Appl Sci ENSA, Dept Telecommun & Elect, Barcelona, Spain
来源：
PROCEEDINGS OF THE 2006 INTERNATIONAL WORKSHOP ON SATELLITE AND SPACE COMMUNICATIONS: FUTURE SATELLITE COMMUNICATION: NEW SYSTEMS, PROTOCOLS AND SERVICES | 2006年
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D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The bandwidth-on-demand (BoD) access mechanism plays a key role in DVB-RCS satellite systems in order to optimize bandwidth utilization. Two algorithms intervene in this mechanism, namely the bandwidth allocation algorithm and the bandwidth request algorithm. In this paper a bandwidth request algorithm is proposed. An adaptive version of the algorithm is also presented, which allows for an easy control of the queue size at the terminal even in changing traffic conditions. An event-driven simulator of the BoD loop has been developed and used to evaluate the performance of the proposed algorithm. Simulations have carried out for different combinations of Poisson and VoIP traffic. They show that the algorithm reacts correctly to sudden changes of the input rate and of the received allocation.
引用
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页码：165 / 169
页数：5
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