COCAST: MULTICAST MOBILE AD HOC NETWORKS USING COGNITIVE RADIO

被引：0
|
作者：
Kim, Wooseong [1 ]
Oh, Soon Y. [1 ]
Gerla, Mario [1 ]
Park, Joon-Sang [2 ]
机构：
[1] Univ Calif Los Angeles, Dept Comp Sci, Los Angeles, CA 90024 USA
[2] Hongik Univ, Dept Comp Engn, Seoul, South Korea
来源：
MILCOM 2009 - 2009 IEEE MILITARY COMMUNICATIONS CONFERENCE, VOLS 1-4 | 2009年
关键词：
D O I：
暂无
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：
Many multicast protocols have been proposed for ad hoc networks. ODMRP is one of the most popular protocols due to its robustness in highly mobile wireless networks. However, ODMRP is unscalable in terms of the number of sources. We improve the scalability of ODMRP using cognitive radio technology, which diversifies channel usage. for multicast members with multiple cognitive channels. We design a channel allocation and distribution scheme to build a multicast tree for each group. In addition, we implement cooperative sensing by multicast members using Join Query and Join Reply messages. In simulation experiments, our protocol, CoCast, demonstrates a superior delivery ratio and throughput performance to conventional ODMRP.
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收藏
页码：831 / +
页数：2
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