Patent Document ID: 20160269063
Application ID: 14710828
Patent Flag: 0

Claim One:
1. A method of determining a noise estimate in case of receiver power unbalanced antennas, said method comprising: receiving radio frequency signal at least from an interference source through a plurality of antennas over different propagation paths and processing paths; determining a covariance matrix estimate based on the received radio frequency signal; and determining the noise estimate by calculating N ^ = T - T 2 - 4 Δ 2 , wherein {circumflex over (N)} is the noise estimate; and Δ=c 11 c 22 −c 12 c 21 ; T=c 11 +c 22 ; and c jk , where j, k=1, 2, are the elements of the covariance matrix estimate relating to the two antennas.