Please use this identifier to cite or link to this item: https://doi.org/10.1109/BROADNETS.2006.4374373
Title: CAM-MAC: A cooperative asynchronous multi-channel MAC protocol for ad hoc networks
Authors: Luo, T. 
Motani, M. 
Srinivasan, V. 
Issue Date: 2006
Citation: Luo, T.,Motani, M.,Srinivasan, V. (2006). CAM-MAC: A cooperative asynchronous multi-channel MAC protocol for ad hoc networks. 2006 3rd International Conference on Broadband Communications, Networks and Systems, BROADNETS 2006 : -. ScholarBank@NUS Repository. https://doi.org/10.1109/BROADNETS.2006.4374373
Abstract: Medium access control (MAC) protocols have been studied under different contexts for several years now. In all these MAC protocols, nodes make independent decisions on when to transmit a packet and when to back-off from transmission. In this paper, we introduce the notion of node cooperation into MAC protocols. Cooperation adds a new degree of freedom which has not been explored before. Specifically we study the design of cooperative MAC protocols in an environment where each node is equipped with a single transceiver and has multiple channels to choose from. Nodes cooperate by helping each other select a free channel to use. We show that this simple idea of cooperation has several qualitative and quantitative advantages. Our cooperative asynchronous multi-channel MAC protocol (CAM-MAC) is extremely simple to implement and, unlike other multi-channel MAC protocols, is naturally asynchronous. We conduct extensive simulation experiments. We first compare CAM-MAC with IEEE 802.11b and a version of CAM-MAC with the cooperation element removed. We use this to show the value of cooperation. Our results show significant improvement in terms of number of collisions and throughput for CAM-MAC. We also compare our protocol with MMAC and SSCH and show that CAM-MAC significantly outperforms both of them. © 2006 IEEE.
Source Title: 2006 3rd International Conference on Broadband Communications, Networks and Systems, BROADNETS 2006
URI: http://scholarbank.nus.edu.sg/handle/10635/69547
ISBN: 1424404258
DOI: 10.1109/BROADNETS.2006.4374373
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