Multi-Antenna Blind Spectrum Sensing for Cognitive Radios Using Path Correlations

  title={Multi-Antenna Blind Spectrum Sensing for Cognitive Radios Using Path Correlations},
  author={Reza Soosahabi and Mahdi Orooji and Mort Naraghi-Pour},
  journal={2011 IEEE Global Telecommunications Conference - GLOBECOM 2011},
We consider the problem of spectrum sensing in cognitive radios when the secondary user (SU) radio is equipped with multiple antennas. Using an estimate of the cross-correlation among the signals received at different antenna elements, we propose a blind detection method which assumes no prior knowledge of the primary user's (PU) signaling scheme, the noise power, or the channel path coefficients. Detection and false alarm probabilities of the proposed algorithms are evaluated using an… CONTINUE READING
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