2014•Unpublished venueRequires access

Throughput optimization with cooperative spectrum sensing in cognitive radio network

Abhijit Bhowmick, Mrinal K. Das, Joydeep Biswas, Sanjay Dhar Roy, Sumit Kundu

Abstract

In cognitive radio (CR) network spectrum sensing is an important issue. Cooperative spectrum sensing improves the detection probability. The accuracy in taking decision about the presence of primary user (PU) depends on sensing time and number of CR users involving in cooperation. A CR network can be efficient if it performs the detection process with minimum error probability and at the same time it maximizes its overall throughput. We have investigated the optimal number of CRs required in cooperation to minimize the total error. Throughput of the CR network has been investigated with respect to sensing time. The performance of the network has been investigated in terms of maximum throughput for optimal number of CR users.

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Available abstract

Key concepts: Cognitive radio, Throughput, Computer science, Computer network, Spectrum (functional analysis), Probability of error, Signal-to-noise ratio (imaging), Cognitive network