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Research on Multi-Channel Protocol for Mesh Network

Author: ShiChao
Tutor: LiXiaoHui
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Mesh IEEE 802.11 DCF Multi-channel Fairness
CLC: TN929.5
Type: Master's thesis
Year: 2011
Downloads: 69
Quote: 0
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Abstract


Mesh network wireless mesh network \, Wireless technology is an integral part of the process of evolution to the next generation network . Wireless Mesh collaborative communication with other networks , is a dynamic, ever-expanding network architecture , any two devices can keep the wireless Internet . Wireless Mesh Network is very active in the world . Channel resource allocation and management for the wireless Mesh network performance optimization plays a very important role . Therefore, the multi-channel protocol of wireless Mesh network has also become a hot research . In this paper, the concept of the Wireless Mesh Network , the analysis of the structure , as well as Wireless Mesh Network multi-channel protocol the research status quo , the multi-channel protocol as a research focus . This paper first introduces the existing single - channel protocol IEEE 802.11 DCF, and detailed description of multi-channel protocol DCA, MMAC and the PCAM, finally gives the improved based Rammon platform , multi-interface multi-channel programs, as well as multi-channel protocol based on improved . Simulation results show that the agreement for the obvious improvement in network throughput , delay decreased . Finally, we study the multichannel Mesh Network throughput and fairness issues , the use of a new cross - layer algorithm - rate control , routing and scheduling jointly considering the use of the LP and CP to solve the maximum throughput problems. Simulation results show that the algorithm is able to achieve an ideal compromise fairness and throughput of the network .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications
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