Blindly Combined Energy Detection for Spectrum Sensing in Cognitive Radio

  title={Blindly Combined Energy Detection for Spectrum Sensing in Cognitive Radio},
  author={Yonghong Zeng and Ying-Chang Liang and Rui Zhang},
  journal={IEEE Signal Processing Letters},
In this letter, a method is proposed to optimally combine the received signal samples in space and time based on the principle of maximizing the signal-to-noise ratio (SNR). After the combining, energy detection (ED) is used. However, optimal combining needs information of the source signal and channel, which is usually unknown. To overcome this difficulty, a method is proposed to blindly combine the signal samples. Similar to energy detection, blindly combined energy detection (BCED) does not… CONTINUE READING
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