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[Discuss-gnuradio] Scaling down IFFT values

From: zealdeal
Subject: [Discuss-gnuradio] Scaling down IFFT values
Date: Thu, 16 Oct 2014 04:35:56 -0700 (MST)

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?

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