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Published in:
2008 | OriginalPaper | Chapter
A Distributed Channel Access Scheduling Scheme with Clean-Air Spatial Reuse for Wireless Mesh Networks
Authors : Yuan-Chieh Lin, Shun-Wen Hsiao, Li-Ping Tung, Yeali S. Sun, Meng Chang Chen
Published in: NETWORKING 2008 Ad Hoc and Sensor Networks, Wireless Networks, Next Generation Internet
Publisher: Springer Berlin Heidelberg
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There are two effective approaches to maximize network capacity throughput: increasing concurrent non-interfering transmissions by exploiting spatial reuse and increasing transmission rates of active senders. These two ways are, however, a tradeoff due to the signal interference. In this paper, we propose a distributed channel access scheduling scheme under a Clean-Air Spatial Reuse architecture which spans both the MAC layer and the network planning plane to scale a wireless mesh network to high network capacity throughput and large coverage. Simulations results of the network capacity throughput performance under different levels of Clean-Air Spatial Reuse policies are presented. The results show that having more number of concurrent transmission pairs scheduled in each time slot usually can compensate the negative effect of using lower transmission rates of transmission links and result in better throughput performance.