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Mobile device with integrated duplex radio capabilities

  • US 9,538,570 B2
  • Filed: 12/07/2015
  • Issued: 01/03/2017
  • Est. Priority Date: 12/05/2014
  • Status: Active Grant
First Claim
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1. A communication system for establishing direct full-duplex communications over a cellular frequency band, the communication system comprising:

  • a first radio; and

    a second radio, wherein;

    the first radio and the second radio are configured to transmit and receive directly with each other using time division multiple access before communicating with a cellular base station; and

    the second radio is configured to;

    transmit, to the cellular base station, a request to reserve a sub band of the cellular frequency;

    receive a response to the request indicating that the sub-band has been reserved;

    transmit to the first radio a reference to the sub band; and

    transmit and receive directly with the first radio on the sub band using time division multiple access.

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