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System and method for controlling combined radio signals

  • US 10,230,558 B2
  • Filed: 06/16/2017
  • Issued: 03/12/2019
  • Est. Priority Date: 11/26/2013
  • Status: Active Grant
First Claim
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1. A communication method, comprising:

  • modulating, for a respective symbol time period, a set of information symbols to occupy a plurality of frequency subchannels of a communication channel, a respective signal in each respective frequency subchannel having a cyclic prefix, at least one subchannel distinct from the plurality of respective frequency subchannels occupied by the set of information symbols being occupied by at least one pilot signal, to form a composite signal within the communication channel;

    applying at least one cyclic shift to the composite signal within the communication channel, to produce at least one cyclically rotated composite signal;

    analyzing each respective cyclically rotated composite signal with respect to a model of a receiver for receiving the modulated set of information symbols, to determine whether the model of the receiver can receive the at least one pilot signal and a predicted bit error rate of a radio frequency communication of the respective cyclically rotated composite signal to a radio receiver corresponding to the model of the receiver; and

    selecting a respective cyclically rotated composite signal based on said analyzing whether the model of the receiver can receive the at least one pilot signal and the predicted bit error rate.

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