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Re: [Discuss-gnuradio] QPSK over air

From: Bogdan Diaconescu
Subject: Re: [Discuss-gnuradio] QPSK over air
Date: Wed, 26 Feb 2014 00:57:46 -0800 (PST)

Hi Mark,

the gr-dvbt has a QPSK, QAM-16 and QAM-64 implementation of constellation for both Tx/Rx. The standard it implements is ETSI 300 744 which is OFDM based in which each subcarier is modulated using the modulations above.


On Tuesday, February 25, 2014 8:12 PM, "SOUTHCOTT, MARK A CIV USAF AFMC AFRL/RITC" <address@hidden> 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?

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