Is there an existing closed form expression for the Expectation of the SNR for ZF precoder over spatially correlated Rayleigh Fading channels ?

11 November 2018 0 7K Report

Although closed form expressions for the SNR of ZF precoder oved iid Rayleigh channels exist (yet complicated ones), I can't find in the literature closed form approximation to the SNR of ZF in case of correlated rayleigh channels ! so is there existing ones that I can't find ? or is there even an expression that calculates the SNR gap due to considering the correlated rayleigh instead of iid Rayleigh ?

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