Hi Jack, Answer to question 1:
I believe the whitening option randomises the data bits so that the PAPR (Peak-to-Average Power Ratio) is reduced. Mike On 3 May 2010 22:25, jack william <jackwillia...@hotmail.com> wrote: > Hi, > Could someone please answer following questions of mine : > 1) In > pkt = ofdm_packet_utils.make_packet(payload, 1, 1, self._pad_for_usrp, > whitening=True) > > what is whitening? > > 2) In gr.fft_vcc(fft_size,forward, window, shift=false) > What is window vector? > > 3) in ofdm_mod there is a portion of code having comments: > Use freq domain to get doubled-up known symbol for correlation in time > domain > > Can you please explain this part. > Thank you in advance. > Cheers > > ------------------------------ > The New Busy is not the old busy. Search, chat and e-mail from your inbox. Get > started.<http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_3> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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