一种基于跨层设计的机会合作MAC协议

2007 International Symposium on Intelligent Signal Processing and Communication Systems Pub Date : 2007-11-01 DOI:10.1109/ISPACS.2007.4445987

Yuan Yuan, B. Zheng, Wentao Lin, C. Dai

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引用次数: 16

摘要

为了提高IEEE 802.11 MAC协议的性能，本文提出了一种新的无线自组织网络中的协作MAC协议。采用了一种跨层方法，通过获取瞬时信道信息来选择中继节点。利用机会合作策略，只在能够提高网络系统性能的情况下才使用中继。我们在NS2平台上实现了我们的协议，仿真结果表明OC-MAC协议在吞吐量和延迟方面都明显优于IEEE 802.11。

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An opportunistic cooperative MAC protocol based on cross-layer design

In this paper, a novel cooperative MAC protocol in wireless ad hoc networks has been proposed to improve the performance of the IEEE 802.11 MAC protocol. A cross-layer method has been applied, by acquiring instantaneous channel information to select relay nodes. Opportunistic cooperative strategy is also exploited to use relay only when it can improve the performance of network system. We implement our protocol on NS2 platform, and simulation results show that opportunistic cooperative MAC (OC-MAC) protocol significantly outperforms IEEE 802.11 in terms of throughput and delay.

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来源期刊

2007 International Symposium on Intelligent Signal Processing and Communication Systems

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