Power Saving Component for Cooperative Multi-Channel MAC Protocols

Provided by: International Journal of Communications and Engineering
Topic: Mobility
Format: PDF
Distributed Information SHaring (DISH) is a new cooperative approach to designing multichannel MAC protocols. It aids nodes in their decision making processes by compensating for their missing information via information sharing through other neighboring nodes. This approach was recently shown to significantly boost the throughput of multi-channel MAC protocols. However, a critical issue for ad hoc communication devices, i.e., energy efficiency, has yet to be addressed. In this paper, the authors address this issue by developing simple solutions which; reduce the energy consumption, without compromising the throughput performance and meanwhile, maximize cost efficiency. The authors propose two energy-efficient strategies: in-situ energy conscious DISH which uses existing nodes only and altruistic DISH which needs additional nodes called altruists.

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