22nd International Conference on Advanced Information Networking and Applications - Workshops (aina workshops 2008)
A New MAC Protocol for Avoiding Needless Transmission Deferment Induced by Missed RTS/CTS Handshake
March 25-March 28
ISBN: 978-0-7695-3096-3
DOI Bookmark:
http://doi.ieeecomputersociety.org/10.1109/WAINA.2008.21
IEEE802.11DCF employs RTS/CTS (Request To Send/Clear To Send) mechanism for mitigating effect of hidden terminals. The RTS/CTS mechanism sets transmission deferral timer to neighbor terminals by exchanging RTS and CTS between transmitter and receiver. Then, in the case that??RTS/CTS exchange succeeds, effect of hidden terminals could be suppressed; otherwise, any neighbor which received RTS and/or CTS defers its new transmission needlessly although DATA packet corresponding??to the previous RTS/CTS exchange will not be transmitted. In this paper we propose Cancel CTS procedure in order to cope with the unnecessarily transmission deferment. Results of computer simulation confirms that our method well improves the throughput performance of IEEE802.11DCF.
Index Terms:
IEEE802.11, RTS/CTS, Hidden Terminal Problem
Citation:
Daishi Inoue, Tetsuya Shigeyasu, Hiroshi Matsuno, Norihiko Morinaga, "A New MAC Protocol for Avoiding Needless Transmission Deferment Induced by Missed RTS/CTS Handshake," ainaw, pp.977-982, 22nd International Conference on Advanced Information Networking and Applications - Workshops (aina workshops 2008), 2008
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