#### bee

##### Full Member level 2

where ' ----> hermettian transpose

^2 ---> rasie to the power 2

^-1 ----> raise to the power -1

σ ------> noise variance

E [] -----> mean

tthe system considered above is Y = HX+N , where X is transmiites signal, Y is recieved, H is the channel matrix and N is white gaussian noise. W is the MMSE filter coefficent.