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Analysis of Routing Protocol for Cognitive Adhoc Networks

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Author(s): Ms. Shubhangini R. Ugale Prof. R. P. Deshmukh Prof. A. N. Thakare

Journal: International Journal of Electronics Communication and Computer Engineering
ISSN 2249-071X

Volume: 3;
Issue: 2;
Start page: 91;
Date: 2012;
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Keywords: AODV | CRAHNS | DSDV | Spectrum Sensing | Dynamic Spectrum Access

ABSTRACT
A cognitive radio is designed for the utilization of unused frequency. The transmission opportunity of a cognitive node is not guaranteed due to the presence of primary users (PUs). To evaluate the unique features of cognitive radio networks, we are using the AODV & DSDV routing protocol for Cognitive Radio Adhoc networks (CRAHNs) as in the wireless communication & propose new routing metrics, including transmission delay over number of wireless adhoc nodes. Routing protocols for network without infrastructures have to be developed. These protocols determine how messages can be forwarded, from a source node to a destination node in the mobile nodes of the network. The various parameters have to evaluate. Since here we initially discuss about the packet transmission over number of nodes with effective end-to-end delay, and the next hope packet forwarding from source to destination. Here we use the Network simulator (NS-2) software tool for the simulation purpose to give effective results of cognitive ad hoc networks.
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