2012 1/6 NSDI’08 Harnessing Exposed Terminals in Wireless Networks Mythili Vutukuru , Kyle Jamieson, and Hari Balakrishnan MIT Computer Science and Artificial Intelligence Laboratory. Introduction. A well-known way to maximize throughput: maximize the number of concurrent transmission
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Harnessing Exposed Terminals in Wireless Networks
MythiliVutukuru, Kyle Jamieson, and HariBalakrishnan
MIT Computer Science and Artificial Intelligence Laboratory
maximize the number of concurrent transmission
rules to predict which concurrent transmissions increase throughput (CSMA).
watch and discover which concurrent transmissions increase throughput (CMAP).
Windowed retransmission protocol
Hidden interference : receivers report the loss rate over a window of packets in every cumulative ACK, and senders back off when this loss rate exceeds a threshold.
contention window(CW) = 0
contention window(CW) = (CWstart,CWmax)