Advanced Detection Techniques for Cognitive Radio

  title={Advanced Detection Techniques for Cognitive Radio},
  author={Keith Q. T. Zhang},
  journal={2009 IEEE International Conference on Communications},
The energy based test is a popular detection scheme for cognitive radio (CR). However, it is infeasible or confronted with difficulty in threshold determination when a reference noise power level is unavailable or inaccurate. In fact, the presence of a primary signal not only changes the received signal energy, but also its correlation structure. In this paper, we show how to exploit information in both the energy and correlation for the detection of CR signals in different operational… CONTINUE READING
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