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- Title
A Robust and Cooperative MAC Protocol for IEEE 802.11a Wireless Networks.
- Authors
Kim, Dong-Wook; Lim, Wan-Seon; Suh, Young-Joo
- Abstract
In wireless networks, it is well known that the interference of hidden nodes can interrupt frame receptions. Although several solutions have been proposed to alleviate the problem of DATA corruptions at receivers, control frame corruptions at transmitters have not been considered yet. In this paper, we propose an enhanced MAC protocol, called Robust and Cooperative Medium Access Control (RCMAC), to improve the network throughput and fairness by reducing control frame losses at transmitters. RCMAC uses a relay mechanism to allow transmitters of long distance links to receive control frames more robustly by relaying control frames via relay nodes. Furthermore, RCMAC improves the network throughput through fast two-hop DATA transmissions via relay nodes. Our extensive simulation results show that RCMAC has better performance than existing well-known MAC protocols.
- Subjects
COMPUTER network protocols; FRAME relay (Data transmission); IEEE 802.11 (Standard); WIRELESS communications; DATA corruption; DATA transmission systems; TRANSMITTERS (Communication)
- Publication
Wireless Personal Communications, 2012, Vol 67, Issue 3, p689
- ISSN
0929-6212
- Publication type
Article
- DOI
10.1007/s11277-011-0405-5