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Re: [Discuss-gnuradio] Re:benchmark_ofdm problem

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] Re:benchmark_ofdm problem
Date: Sat, 19 Jun 2010 13:27:28 -0400

2010/6/16 weizhongshan <address@hidden>:
> hello everyone !
> i'm testing the benchmark_ofdm modules.i'm using rfx2400 db ,so i set rx and
> tx frequency to 2.45G and
> in transmitting side i set "--tx-amplitude=10000  -s 32" .but i got the
> following results,it seems that i have lost most of the packets,why?

The amplitude you are using is very high and will cause the
transmitter to go nonlinear. I'm kind of surprised you're getting
anything at all through.

I've had success with amplitudes between 500 and 4000, depending on
the daughterboard and transmission range.


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