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Re: [Discuss-gnuradio] QPSK over air

From: Martin Braun
Subject: Re: [Discuss-gnuradio] QPSK over air
Date: Tue, 25 Feb 2014 21:02:11 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

On 02/25/2014 07:11 PM, SOUTHCOTT, MARK A CIV USAF AFMC AFRL/RITC wrote:
> I’m looking for an example of a higher-order modulation implemented
> successfully in GNU Radio with an SDR frontend. I’ve seen bpsk, GMSK,
> etc. implemented over a wireless channel, but I’ve only seen simulations
> of higher-order modulations. Could someone point me towards one or
> confirm that there’s no examples?


check out files in gr-digital/examples/narrowband and -demod. QPSK and
8-PSK will work out-of-the-box, people have done that ota, too (I've
done it inside the OFDM code, for example).


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