A Modified p-Persistent Model for CSMA-Based Wireless Networks with Pseudo Capture Effect
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概要
- 論文の詳細を見る
The existing carrier sensing multiple access (CSMA) based wireless networks cannot realize the capture effect functionality. Consequently, transmitters within the physical carrier sensing (PCS) range of a receiver cause interference to its reception, which is referred to as the pseudo capture effect. Such interference severely degrades the system performance because the default PCS range is usually quite large. Therefore the PCS range should be adjusted to reduce the packet loss caused by pseudo capture effect. In order to guide the optimal PCS range setting, a modified p-persistent model is proposed in this paper to investigate the throughput of CSMA-based networks considering pseudo capture effect. Simulation results show that the proposed model accurately evaluates the influence of pseudo capture effect. By utilizing the model, we observe that the optimal PCS range considering pseudo capture effect is smaller than the case without considering its impact.
- （社）電子情報通信学会の論文
- 2009-11-01
著者
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Niu Zhisheng
Tsinghua National laboratory for Information Science and Technology, Tsinghua University
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Niu Zhisheng
Tsinghua National Laboratory For Information Science And Technology (tnlist) Department Of Electroni
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HUA Yao
Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
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Niu Zhisheng
Tsinghua National Laboratory For Information Science And Technology (tnlist) Tsinghua University
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Hua Yao
Tsinghua National Laboratory For Information Science And Technology (tnlist) Tsinghua University
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