Fair comparison between time domain equalizer and OFDM

>
>It is probably not the source of your errors, but you wrote that you
>are performing an MMSE equalization while the formula you post is
>essentially a zero-forcing (ZF) equalizer. It has been a few years
>since I dealt with this topic but shouldn't the MMSE equalizer (which
>in my understanding should be a Winer-Filter) be something like
>Y(f) = (conj(H(f)))/((abs(H(f))).^2+(1/SNR))
>There should be difference in performance for low SNR.
>
>Greetz,
>Sebastian
>

Hi Sebastian

my mistake that i wrote ZF but when i did simulation of OFDM, there is no
difference between ZF and MMSE in OFDM. 

Thanks.

Chintan