Abstract
AbstractRouting in cognitive radio ad-hoc network is one of the important aspects in wireless communication. There are different routing protocols in cognitive ad-hoc network (CRAHN), and a comparative analysis of such protocols is required to find out the best possible routing protocol. In this paper, two data-driven routing protocols, namely ad-hoc on-demand distance vector (AODV) and weighted cumulative expected transmission time (WCETT), are evaluated and compared. For end-to-end routing, data processing is done using NS-2 simulator. CRCN patch analysis has been provided to validate the theoretical claims. The performance of WCETT and AODV is evaluated in terms of throughput, routing overhead, packet delivery ratio (PDR) and normalized routing overhead (NRL). The simulation result is found better in favor of WCETT as compared to AODV because of its better route selection strategy in CRAHN.KeywordsRouting protocolCognitive radio ad-hoc network (CRAHN)Performance assessmentAODVWCETTNS-2
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