[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] Scaling down IFFT values

From: Martin Braun
Subject: Re: [Discuss-gnuradio] Scaling down IFFT values
Date: Thu, 16 Oct 2014 20:15:26 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

You should probably look at the new OFDM codes. If you see the
ofdm_tx.grc example, I think there's already a scaler in there.


On 10/16/2014 01:35 PM, zealdeal wrote:
> Hi All,
> I need to scale down the OFDM transmission signal in time domain, after IFFT
> is done, so that, all the values are within the range -1 to 1. But, I cant
> simply add one more "scaling" block after cp_adder in
> self.connect(self.preambles, self.ifft, self.cp_adder, self.scale, self) 
> (file: ofdm,py)
> as it will scale down the preamble also, leading to non-recognition of
> packet at receiver end.
> Any pointer on where should I make the change?
> --
> View this message in context: 
> http://gnuradio.4.n7.nabble.com/Scaling-down-IFFT-values-tp50833.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

reply via email to

[Prev in Thread] Current Thread [Next in Thread]