Abstract
Cognitive radio network is an intelligent radio network that adapts its transmission parameters based on the sensed free spectrum. Sensing the vacant spectrum is a major issue in cognitive radio networks. The spectrum availability is dynamic. Before data transmission, secondary users sense the spectrum to check the occupancy of primary user. In this paper, the comparison of transmitter-side spectrum detection is carried out. The variation of probability of detection is analyzed with respect to probability of false alarm and SNR. Simulation results show that a signal transmitted with high SNR can be detected accurately by having fixed probability of false alarm. In this work, when the SNR is increased from −20 to −10 dB, the probability of detection is increased on an average of 38 and 57% in matched detection technique and energy detection technique, respectively. This paper also gives a comparative study of energy detection techniques, cyclostationary feature techniques, and matched-filter detection techniques.
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Shine Let, G., Christeen, S., Lidiya Priya, P., Keerthi Reddy, B., Swetha, P. (2019). Comparative Study of Transmitter-Side Spectrum Detection in Cognitive Radio Network. In: Smys, S., Bestak, R., Chen, JZ., Kotuliak, I. (eds) International Conference on Computer Networks and Communication Technologies. Lecture Notes on Data Engineering and Communications Technologies, vol 15. Springer, Singapore. https://doi.org/10.1007/978-981-10-8681-6_81
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DOI: https://doi.org/10.1007/978-981-10-8681-6_81
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