Download PDF by Guodong Zhao, Wei Zhang, Shaoqian Li: Advanced Sensing Techniques for Cognitive Radio

By Guodong Zhao, Wei Zhang, Shaoqian Li

ISBN-10: 3319427830

ISBN-13: 9783319427836

ISBN-10: 3319427849

ISBN-13: 9783319427843

This SpringerBrief investigates complicated sensing concepts to realize and estimate the first receiver for cognitive radio platforms. besides a complete evaluation of current spectrum sensing ideas, this short specializes in the layout of recent sign processing suggestions, together with the region-based sensing, jamming-based probing, and relay-based probing. The proposed sensing concepts goal to notice the close by basic receiver and estimate the cross-channel achieve among the cognitive transmitter and first receiver. The functionality of the proposed algorithms is evaluated via simulations when it comes to a number of functionality parameters, together with detection likelihood, interference likelihood, and estimation blunders. the implications exhibit that the proposed sensing options can successfully feel the first receiver and enhance the cognitive transmission throughput. Researchers and postgraduate scholars in electric engineering will locate this a great resource.

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Energy detection of unknown deterministic signals. Proceedings of IEEE, 55(4), 523–531. 27. Rappaport, T. S. (2001). Wireless communications: principles and practice. Upper Saddle River: Prentice Hall. 1 Introduction In spectrum sharing, the cross-channel gain from the cognitive transmitter (CT) to the primary receiver (PR) significantly affects the cognitive capacity [1, 2]. When the cross-channel gain is available, the CT can precisely control its interference to the PR and achieve significant cognitive capacity.

7 compares the performance of the MF and the EDC detectors in different scenarios. In our simulation, fm D 4 Hz and the thresholds are chosen to satisfy Pf 10 2 as well. In the EDC method, the duty cycle is D 0:5 and the power of jamming pulses equals the average power of the sinusoid jamming signal in the MF detector. Therefore, the interference to the PR caused by the two proactive sensing algorithms is identical, but the EDC detector needs twice the duration of the MF detector to identify a PR.

2009). What is a spectrum hole and what does it take to recognize one? Proceedings of IEEE: Special Issues on Cognitive Radio, 97(5), 824–848. 3. Haykin, S. (2005). Cognitive radio: Brain-empowered wireless communications. IEEE Journal on Selected Areas in Communications, 23(2), 201–220. 4. Akyildiz, I. , Lee, W. , Vuran, M. , & Mohanty, S. (2006). NeXt generation/dynamic spectrum access/cognitive radio wireless networks: A survey. Computer Networks, 50, 2127–2159. 5. Zhao, Q. & Sadler, B. M. (2007).

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Advanced Sensing Techniques for Cognitive Radio by Guodong Zhao, Wei Zhang, Shaoqian Li

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