Throughput Comparison in Cognitive Radio Networks

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Gao, Jason, Ahmed, Waqas, Yang, Junjie and Faulkner, Michael (2010) Throughput Comparison in Cognitive Radio Networks. In: ECTI-CON 2010: The 2010 ECTI International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology. IEEE, pp. 794-798.


Primary user (PU) activities can significantly impact on the quality of service of secondary user (SU) sharing a common channel. Expressions of forced termination and blocking probabilities for the SU packets with a fixed length header and exponentially distributed payload length are derived. The optimal mean payload length which maximizes packet throughput is also investigated. Numerical results are given which compare exponentially distributed payload length with fixed size payload length. The results show that although exponentially distributed payload has both lower blocking and forced termination probability, this type of packet stream actually has lower throughput than the fixed size packet stream, given the same payload intensity. Simulation results are also included.

Additional Information

Proceedings of a meeting held 19-21 May 2010, Chiang Mai, Thailand

Item type Book Section
Official URL
ISBN 9781424456062 (print) 9789746724913 (CD-ROM)
Subjects Historical > Faculty/School/Research Centre/Department > Centre for Telecommunications and Micro-Electronics (CTME)
Historical > FOR Classification > 1005 Communications Technologies
Historical > SEO Classification > 8901 Communication Networks and Services
Keywords ResPubID21288, cognitive radio, quality of service
Citations in Scopus 3 - View on Scopus
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