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Routing considering Channel Contention in Wireless Communication Networks with Multiple Radios and Multiple Channels  

Ko, Sung-Won (Dept. of Internet Information, Kimpo College)
Kang, Min-Su (Dept. I&C, Soongsil University)
Kang, Nam-Hi (The Catholic University of Korea)
Kim, Young-Han (Dept. I&C, Soongsil University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.44, no.5, 2007 , pp. 7-15 More about this Journal
Abstract
In wireless communication networks, single-radio single-channel architecture degrades throughput and end-to-end delay due to half-duplex transmission of wireless node and route intra interference. Also, In contention-based MAC (Medium Access Control) architecture, channel contention reduces throughput and packet collision enlarges end-to-end delay. In this paper, we use multi-radio multi-channel architecture which will make wireless node to operate in full duplex mode, and exclude route intra interference. Based on this architecture, we propose a new link metric, ccf which reflects the characteristics of a contention-based wireless link, and propose a routing path metric MCCR considering channel switching delay and route intra interference. MCCR is compared with MCR by simulation, the performance of a route established by MCCR outperforms the performance of a route by MCR in terms of throughput and end-to-end delay.
Keywords
Multiple Radios and Channels; Throughput; End-to-End Delay; Contention and Collision; Metric;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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