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Explain QPSK and ODFM

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Discussion in 'Radio and Wireless' started by epsolutions, Dec 1, 2019.

  1. Dec 1, 2019 #1
    epsolutions

    epsolutions

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    Sep 7, 2019
    In the context of 4G, can someone please tell me, in as simple terms as possible, how a QPSK signal modulates the OFDM sub-carriers?

    What form does an OFDM "symbol" take?

    I have read a lot online, but cannot visualize what the transmitted signal would look like.
     
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