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1、TCP Throughput Enhancement over Wireless Mesh Networks,Author： Li-Ping Tung and Wei-Kuan Shih, National Tsing Hua University Te-Chung Cho and Yeali S. Sun, National Taiwan University Meng Chang Chen, Academia Sinica,Presenter: 夏明钰,Introduction,Causes of TCP packet loss high bit error rate of the wir
2、eless channel channel access contention in MAC scheme channel interference : HTP and ETP channel access contention between TCP data and ACK packets,Background,Parameters carrier sense threshold (CSThresh) receive threshold (RXThresh) capture threshold (CPThresh) Problems Hidden terminal problem(HTP)
3、 Exposed terminal problem(ETP),Performance Analysis,Solution,Channel Assignment Scheme Spatial channel reuse Non-HTP zones Given: a WMN G available non-overlapping channels C the maximum number of wireless links allowed in a non-HTP zone maxWiLinks Algorithm: Select an unassigned wireless link Check spatial channel reuse and maxWilinks constrains Continue or backtrack,Q & A,Thank you!,