ABSTRACT
Contents 11.1 Introduction .......................................................................................... 304 11.2 Distributed Spectrum Sensing ............................................................... 306
11.2.1 Single Device Sensing ............................................................... 308 11.2.1.1 Received Signal Model ............................................. 308 11.2.1.2 Energy Detection ......................................................310 11.2.1.3 OOK Receiver .......................................................... 311
11.2.2 Analytical Models of Distributed Spectrum Sensing ................. 311 11.2.2.1 Probability of Detection by ED with SC under
Rayleigh Fading ........................................................312 11.2.3 Cooperative Sensing .................................................................. 314 11.2.4 Collaborative Sensing ................................................................ 315 11.2.5 Selective Sensing ........................................................................316 11.2.6 Spectrum Sensing with Two-Stage Detection ............................ 317 11.2.7 Numerical Results ..................................................................... 318
11.3 Media Access and Transmission ...............................................................324 11.3.1 Schedule-Based MAC ................................................................326 11.3.2 Contention-Based MAC ............................................................327 11.3.3 Impact of MAC on Distributed Sensing ....................................327
