On Multiple Antenna Spectrum Sensing Under Noise Variance Uncertainty and Flat Fading

@article{Tugnait2012OnMA,
  title={On Multiple Antenna Spectrum Sensing Under Noise Variance Uncertainty and Flat Fading},
  author={Jitendra K. Tugnait},
  journal={IEEE Transactions on Signal Processing},
  year={2012},
  volume={60},
  pages={1823-1832}
}
We investigate a spectrum sensing method based on asymptotic analysis of the discrete Fourier transform of the received multiantenna signal, possibly non-Gaussian, for flat-fading primary user signals in white noise under noise variance uncertainty. The proposed approach is based on the generalized likelihood ratio test (GLRT) paradigm for a restricted version of the problem obtained by ignoring the spatial structure of the primary users' received signals, and it permits the noise variances to… CONTINUE READING
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