Search: A Routing Protocol for Mobile Cognitive Radio Ad-Hoc Networks

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Executive Summary

Recent research in the emerging field of Cognitive Radio (CR) has mainly focused on spectrum sensing and sharing that allow an opportunistic use of the vacant portions of the licensed frequency bands by the CR users. Efficiently leveraging this node level channel information in order to provide timely end-to-end delivery over the network is a key concern for CR based routing protocols. In addition, the Primary Users (PUs) of the licensed band affect the channels to varying extents, depending on the proportion of the transmission power that gets leaked into the adjacent channels. This also affects the geographical region, in which, the channel is rendered unusable for the CR users.

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