Title :
A New MAC Protocol for Avoiding Needless Transmission Deferment Induced by Missed RTS/CTS Handshake
Author :
Inoue, Daishi ; Shigeyasu, Tetsuya ; Matsuno, Hiroshi ; Morinaga, Norihiko
Author_Institution :
Hiroshima Int. Univ., Hiroshima
Abstract :
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.
Keywords :
access protocols; wireless LAN; IEEE802.11DCF; MAC protocol; cancel CTS procedure; distribution coordination function; missed RTS/CTS handshake mechanism; needless transmission deferment avoidance; request to send/clear to send; Cathode ray tubes; Collision avoidance; Computer simulation; Data communication; Data engineering; Media Access Protocol; Multiaccess communication; Throughput; Transmitters; Wireless LAN; Hidden Terminal Problem; IEEE802.11; RTS/CTS;
Conference_Titel :
Advanced Information Networking and Applications - Workshops, 2008. AINAW 2008. 22nd International Conference on
Conference_Location :
Okinawa
Print_ISBN :
978-0-7695-3096-3
DOI :
10.1109/WAINA.2008.21
