Spectrum Sensing under Correlated Antenna Array Using Generalized Detector in Cognitive Radio Systems

Table 1

Simulation parameters.

Parameter	Value
The angular spread (Λ), the correlated antenna array elements	0.5^∘
The angular spread (Λ), the uncorrelated antenna array elements	180^∘
Distance between antenna elements (𝑑), the correlated antenna array elements	𝑑=𝜆𝑐/8
Distance between antenna elements (𝑑),; the uncorrelated antenna array elements	𝑑=𝜆𝑐/2
Number of antenna array elements (𝑀)	2÷10
SNR	−20÷0 (dB)
𝑃𝐷 constraint (𝛼)	0.99
Coefficient of correlation (𝜌)	0; 0.1; 0.25; 0.5; 0.75; 1
Channel parameter (𝜎^2ℎ)	1
𝑁	20