Performance analysis of Ad Hoc dispersed spectrum cognitive radio networks over fading channels

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Abstract

Cognitive radio systems can utilize dispersed spectrum, and thus such approach is known as dispersed spectrum cognitive radio systems. In this paper, we first provide the performance analysis of such systems over fading channels. We derive the average symbol error probability of dispersed spectrum cognitive radio systems for two cases, where the channel for each frequency diversity band experiences independent and dependent Nakagami- m fading. In addition, the derivation is extended to include the effects of modulation type and order by considering M-ary phase-shift keying (M -PSK) and M-ary quadrature amplitude modulation M -QAM) schemes. We then consider the deployment of such cognitive radio systems in an ad hoc fashion. We consider an ad hoc dispersed spectrum cognitive radio network, where the nodes are assumed to be distributed in three dimension (3D). We derive the effective transport capacity considering a cubic grid distribution. Numerical results are presented to verify the theoretical analysis and show the performance of such networks. © 2011 Khalid A. Qaraqe et al.

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APA

Celebi, H., Qaraqe, K. A., Mohammad, M., & Ekin, S. (2011). Performance analysis of Ad Hoc dispersed spectrum cognitive radio networks over fading channels. Eurasip Journal on Wireless Communications and Networking, 2011. https://doi.org/10.1155/2011/849105

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