Mobility

An Efficient Dynamic Adjusting MAC Protocol for Multichannel Cognitive Wireless Networks

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Executive Summary

To enhance the usage of radio spectrum, a wireless network, named as the cognitive wireless network, which allows the unlicensed users to scan and use idle radio spectrum, has attracted a lot of attention recently. Because the radio spectrum has to return to the licensed user whenever the licensed user needs it, the radio spectrum of cognitive wireless networks is a precious resource. Hence, how to avoid collisions and enhance the throughput of the network are important issues for designing MAC protocols of cognitive wireless networks. In this paper, the authors propose an Efficient Dynamic Adjusting MAC (EDA-MAC) protocol for cognitive wireless networks.

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