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Collision Detection and the Design of Fair and Stable MAC Scheme for Wireless Ad Hoc Networks
School of Information Science and Technology, Beijing Normal University, Beijing, China
School of Information Science and Technology, Beijing Normal University, Beijing, China
School of Information Science and Technology, Beijing Normal University, Beijing, China
- 1 School of Information Science and Technology, Beijing Normal University, Beijing, China
- 2 School of Information Science and Technology, Beijing Normal University, Beijing, China
- 3 School of Information Science and Technology, Beijing Normal University, Beijing, China
Communications and Network·Volume 05 (2013)·Pages 355–360·Published 27 September 2013·DOI10.4236/cn.2013.53B2065
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Abstract
Fairness and stability guarantee among TCP flows is very stubborn in wireless ad hoc networks. There is not a MAC protocol that can fulfill this acquirement until now. In this paper, we firstly reveal the in-depth causes of the severe TCP unfairness and instability problems in IEEE 802.11-based multihop networks. Then we utilize the collision detection mechanism of the IEEE 802.11 protocol which is often ignored by most of the people to design a novel collision detection mechanism-based MAC (CDMB-MAC) scheme to solve the short-term and long-term fairness and stability issues while providing a good aggregate throughput in many topologies.
KeywordsAd hoc NetworksIEEE 802.11 MAC ProtocolTCPFairStableCollision Detection Mechanism
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