EAN: 9783319427836

SPRINGERBRIEFS IN ELECTRICAL AND COMPUTER ENGIN...

This SpringerBrief investigates advanced sensing techniques to detect and estimate the primary
receiver for cognitive radio systems. Along with a comprehensive overview of existing spectrum
sensing techniques  this brief focuses on the design of new signal processing techniques 
including the region-based sensing  jamming-based probing  and relay-based probing. The
proposed sensing techniques aim to detect the nearby primary receiver and estimate the
cross-channel gain between the cognitive transmitter and primary receiver. The performance of
the proposed algorithms is evaluated by simulations in terms of several performance parameters
including detection probability  interference probability  and estimation error. The results
show that the proposed sensing techniques can effectively sense the primary receiver and
improve the cognitive transmission throughput. Researchers and postgraduate students in
electrical engineering will find this an exceptional resource.

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