A call admission control algorithm based on utility fairness for Low Earth Orbit satellite networks

被引:2
作者
Na, Zhen-Yu [1 ]
Wang, Zhen-Yong [1 ]
Guo, Qing [1 ]
Yang, Ming-Chuan [1 ]
机构
[1] Harbin Inst Technol, Commun Res Ctr, Harbin 150006, Peoples R China
来源
2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13 | 2008年
关键词
call admission control; LEO satellite; utility fairness; QoS;
D O I
10.1109/ICC.2008.534
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
A fair and adaptive call admission control algorithm for multimedia Low Earth Orbit (LEO) satellite networks was proposed. Based on current call dropping probability of destination cell, this algorithm reserves bandwidth for handoff calls using double threshold method. To avoid the discrimination of Quality of Service (QoS) caused by the allocation based on fair bandwidth, this algorithm adopts the bandwidth allocation rule based on fair QoS. Simulation results show that the proposed algorithm can accurately and adaptively reserve bandwidth, present satisfactory call blocking probability and greatly reduce handoff call dropping probability, while guarantees the high bandwidth utilization.
引用
收藏
页码:2835 / 2839
页数:5
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