>On Jun 17, 8:44=A0pm, Porterboy 76 <porterbo...@gmail.com> wrote:
>> > One more thing ,in a particular system 64 pt IFFT/FFT was taken .in
>> > which 52 were carriers(48 data + 4 pilots) rest were zeros.
>> > and 16 CP.
>>
>> This is from the IEEE 802.11 Standard.
>
>ya but i want to know whats the advantage of padding zeros .
>

Hi,
Zero padding increases the sampling rate. In other words the resolution o
the signal increases...
Where as CP provides resistance against inter symbol interference..(ISI)

Good Luck..