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Re: Regarding ofdm modulator and demodulator block

From: Marcus Müller
Subject: Re: Regarding ofdm modulator and demodulator block
Date: Wed, 16 Dec 2020 18:18:03 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1

We still have the OFDM framework in GNU Radio 3.7, 3.8 and what will be 3.9; You'll find examples in the gr-digital examples folder! (typically, /usr/share/gnuradio/examples/digital or somewhere similar)

Also, don't forget that *generating* an OFDM signal is really, really simple with the FFT block, stream to vector, vector to stream, and a single block that you could write yourself that inserts the cyclic prefix. Your task is surely to *understand* OFDM, so maybe plugging something together that gives you a valid CP-OFDM signal is what your advisor wants you to do?

Best regards,

On 16/12/2020 18.08, Rozana Alam wrote:
Dear community,
Is the ofdm modulator and demodulator block removed from the gnu radio 3.7.0 version? I want to analyse simple ofdm modulated signal in different frequency and bandwidth using spectrum analyser and usrp. Please help me with your guidance on this, as a beginner with gnu radio and SDR I really need your suggestion.
Thank you.

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