RISE: Reducing interference and saving energy through multicasting in ad hoc wireless networks

被引：0
|
作者：
Wang, K [1 ]
Chiasserini, CF [1 ]
Proakis, JG [1 ]
Rao, RR [1 ]
机构：
[1] Univ Calif San Diego, ECE Dept, San Diego, CA 92103 USA
来源：
2002 MILCOM PROCEEDINGS, VOLS 1 AND 2: GLOBAL INFORMATION GRID - ENABLING TRANSFORMATION THROUGH 21ST CENTURY COMMUNICATIONS | 2002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：
We develop an approach that makes use of directional antennas to improve the performance of multicasting in ad hoe wireless networks. We first assume that multicast trees are known for all the active sessions. The antenna beamwidth at the network nodes is determined in such a way that both the nodes' transmit power and the interference among simultaneous transmissions are reduced, while the signal power at the intended receivers remains unchanged. We propose a model to study the performance improvement that results solely from interference reduction by using directional antennas. The proposed approach is then applied to a simple distributed algorithm for multicast tree construction and the performance is evaluated.
引用
收藏
页码：826 / 832
页数：7
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