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On optimal power sharing for joint sensing and data transmission in cooperative cognitive radio networks | IEEE Conference Publication | IEEE Xplore

On optimal power sharing for joint sensing and data transmission in cooperative cognitive radio networks


Abstract:

In this paper, the problem of joint spectrum sensing and data transmission in a two-user cooperative cognitive radio network is studied. Tractable solution for optimal po...Show More

Abstract:

In this paper, the problem of joint spectrum sensing and data transmission in a two-user cooperative cognitive radio network is studied. Tractable solution for optimal power allocation is proposed for cognitive sources for both sensing and data transmission slots with an aim to maximize sum throughput of the system while meeting the constraints of probability of detection of PU's signal and total transmission power. Simulation results verify that there exists optimal power sharing factors both for sensing and data transmission slots to maximize the system throughput. Furthermore, performance gain in term of achievable system throughput is noted when the proposed scheme is compared with equal power allocation scheme operated under total power constraint scenario.
Date of Conference: 27 February 2015 - 01 March 2015
Date Added to IEEE Xplore: 16 April 2015
Electronic ISBN:978-1-4799-6619-6
Conference Location: Mumbai, India

References

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