Foschini gave a lower bound for the channel capacity of an N-transmit M-receive antenna system in a Raleigh fading environment with independence at both transmitters and receivers. We show that this bound is approximately normal.
"The distribution of Foschini's lower bound for channel capacity." Adv. in Appl. Probab. 44 (1) 260 - 269, March 2012. https://doi.org/10.1239/aap/1331216652