Browsing by Author "Sala-Alvarez, Josep"

Now showing items 1-2 of 2

    • Correlated Multiple Antennas Spectrum Sensing under Calibration Uncertainty 

      Pourgharehkhan, Zahra; Taherpour, Abbas; Sala-Alvarez, Josep; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      We address the problem of spectrum sensing in cognitive radios (CRs) when the secondary user (SU) is equipped with a multiantenna receiver. We consider scenarios with correlation between the received channels at different ...

    • On the Performance of Hadamard Ratio Detector-Based Spectrum Sensing for Cognitive Radios 

      Sedighi, Saeid; Taherpour, Abbas; Sala-Alvarez, Josep; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      We consider the problem of multiantenna spectrum sensing (SS) in cognitive radios (CRs) when the receivers are assumed to be uncalibrated across the antennas. The performance of the Hadamard Ratio Detector (HRD) is analyzed ...