On Mar 31, 8:11*pm, Ubaid Abdullah <ubaidabdul...@gmail.com> wrote:
> > Since PAPR should be
> > computed before any matched filtering (am I right?), it seemed to
> > imply that RC pulse is used at the transmitter pulse shaping and hence
> > no matched filtering at the receiver.
>
> I dont think so. PAPR is a parameter of importance for power
> amplifier. That means we are interested in the PAPR of the final
> waveform that comes out of your DAC. You will compute PAPR for the
> signal that is input to the PA not at any other stage of the
> transmitter.
>
> Using RC pulse shaping at the transmitter doesn't imply that you
> shouldn't use matched filtering at the receiver. You should perceive
> matched filtering as a device that filters the out-of-band noise at
> the receiver and applies weights to the samples. You always need
> something for this job whatever the pulse shaping filter you use at
> the transmitter.
>
> Ubaid Abdullahhttp://dspdotcomm.blogspot.com

I agree with you. But is there any reason to use a RC instead of RRC?
What matched filter should one use to maintain ISI free and still
filter the out-of-band noise?