A Distributed MAC Layer Congestion Control Method to Achieve High Network Performance for EAST Experiments
作者： Kai Shi , Oliver Yang , Yantai Shu , Sheng Lin , Jinsong Wang
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摘要: Many applications would require fast data transfer in Wireless Local Area Networks (WLANs) nowadays. A representative example is the EAST (Experimental Advanced Superconducting Tokamak) project where physics researchers need to transport massive experiment using TCP (Transmission Control Protocol). However, high contention level and error rate wireless networks have a great impact on performance. To alleviate this problem, paper proposes MAC layer congestion control method deal with packet loss due errors (as opposed congestion). Our mechanism implemented at end nodes based IEEE 802.11 DCF but without any modification layer. We first propose concept of window which will send all packets when it obtains access channel (unlike traditional that just sends only one packet). Then we allow our adjust its degree By performing layer, can mitigate effect TCP, therefore improve The simulation results show achieve better performance than mechanisms WLANs.
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