Question: Suppose that the multiplexing parameter r and diversity parameter d approximately satisfy the diversity / multiplexing tradeoff d ( r ) = ( Nt r

Suppose that the multiplexing parameter r and diversity parameter d approximately satisfy the diversity/multiplexing tradeoff d(r)=(Nt r)(Nr r) at any large finite SNR, where Nt and Nr denote the numbers of transmit and receive antennas, respectively. For a 8\times 8 MIMO system with an SNR of 15 dB, if we require a data rate per unit Hertz of R =30 bps, what is the maximum diversity gain the system can provide?

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