Modulation method, demodulation method, related device, and system

  • US 10,536,319 B2
  • Filed: 03/19/2019
  • Issued: 01/14/2020
  • Est. Priority Date: 09/19/2016
  • Status: Active Grant
First Claim
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1. A modulation method, comprising:

  • performing coding processing on raw data to obtain a coded sequence;

    performing constellation mapping on the coded sequence based on a preset constellation diagram, to obtain M symbols, wherein M is an integer greater than 1;

    dividing the M symbols into N segments, wherein N is an integer greater than 1;

    obtaining a constellation phase of each symbol in the N segments;

    adjusting a constellation phase of a symbol in each of the N segments according to a preset phase adjustment rule, wherein phase adjustments of the N segments are concurrently performed;

    modulating M symbols obtained through the phase adjustments, to obtain a modulated signal; and

    sending the modulated signal.

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