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Parallel-Transmission: A New Usage of Multi-Radio Diversity in Wireless Mesh Network

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DOI: 10.4236/ijcns.2009.21006    4,850 Downloads   8,739 Views Citations


To fully utilize the diversity of multi-radio, a new parallel transmission method for wireless mesh network is proposed. Compared with conventional packet transmission which follows “one flow on one radio”, it uses the radio diversity to transmit the packets on different radios simultaneously. Three components are presented to achieve parallel-transmission, which are control module, selection module and schedule module. A localized selecting algorithm selects the right radios based on the quality of wireless links. Two kinds of distributed scheduling algorithms are implemented to transmit packets on the selected radios. Finally, a parallel-adaptive routing metric is presented. Simulation results by NS2 show that this parallel-transmission scheme could enhance the average throughput of network by more than 10%.

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Y. HU, S. YANG, Q. ZHANG and P. ZHANG, "Parallel-Transmission: A New Usage of Multi-Radio Diversity in Wireless Mesh Network," International Journal of Communications, Network and System Sciences, Vol. 2 No. 1, 2009, pp. 51-57. doi: 10.4236/ijcns.2009.21006.

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