A novel routing strategy for Cognitive Radio Adhoc Network - 2015
The growth in wireless devices and multimedia applications has led to increase in spectrum usage in recent past. One of the credible solutions to overcome this shortcoming is by the usage of Cognitive Radios (CR). The Cognitive Radio has spectrum sensing capabilities and thus can improve spectrum usage. The ad hoc network employing CR are termed as Cognitive Radio Ad Hoc Networks (CRAHN). To establish a route between a pair of nodes in CRAHN, a routing protocol is needed. Various routing strategies have been proposed based on performance metrics such as delay, power, hop count and spectrum awareness. This system proposes a new routing strategy incorporating all the above metrics. The routing strategy is implemented in MATLAB-09 and the results show that packet delivery ratio as well as the delay parameter improves for the proposed scheme in comparison to shortest path routing scheme that doesn't consider the above mentioned metrics.
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