Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMC.2008.109
Title: Cooperative asynchronous multichannel MAC: Design, analysis, and implementation
Authors: Luo, T. 
Motani, M. 
Srinivasan, V.
Keywords: Ad hoc networks
CAM-MAC
Control-plane cooperation
Distributed information sharing (DISH)
MAC protocol
Multichannel coordination problem
Issue Date: Mar-2009
Source: Luo, T., Motani, M., Srinivasan, V. (2009-03). Cooperative asynchronous multichannel MAC: Design, analysis, and implementation. IEEE Transactions on Mobile Computing 8 (3) : 338-352. ScholarBank@NUS Repository. https://doi.org/10.1109/TMC.2008.109
Abstract: MAC protocols have been studied under different contexts for decades. In decentralized MAC protocols, transmitter-receiver pairs make independent decisions, which are often sub-optimal due to insufficient knowledge about the communication environment. In this paper, we introduce control-plane cooperation at the MAC layer, where neighboring nodes share control information with transmitter-receiver pairs to aid them in making more informed decisions. This augments conventional cooperation, which sits at the data plane where intermediate nodes help relay data for other nodes. In a multi-channel environment, control-plane cooperation enables neighboring nodes to notify transmitter-receiver pairs of channel conflicts and deaf terminals to prevent collisions and retransmissions. Accordingly, we design a cooperative asynchronous multi-channel MAC protocol called CAM-MAC, which uses a single transceiver and is fully asynchronous. We evaluate CAM-MAC from both theoretical and practical perspectives, and show that it closely approaches system capacity and does not realistically suffer from control channel bottleneck. We compare CAM-MAC with its non-cooperative version, UNCOOP, and three recent multi-channel MAC protocols, MMAC, SSCH and AMCP. The results show that CAM-MAC significantly outperforms all of them. We also implement CAM-MAC and UNCOOP on commercial off-the-shelf hardware. The experimental results confirm the viability of CAM-MAC and the cooperation idea. © 2006 IEEE.
Source Title: IEEE Transactions on Mobile Computing
URI: http://scholarbank.nus.edu.sg/handle/10635/55438
ISSN: 15361233
DOI: 10.1109/TMC.2008.109
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