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User equipment configured to provide synchronization information for sidelink D2D Communications using allocated resource units

  • US 9,936,521 B2
  • Filed: 09/09/2016
  • Issued: 04/03/2018
  • Est. Priority Date: 04/13/2012
  • Status: Active Grant
First Claim
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1. An apparatus of user equipment (UE) configured for direct device-to-device (D2D) communication with one or more other UEs, the apparatus comprising:

  • a transceiver circuitry; and

    a processing circuitry, configured to;

    receive, from an enhanced node B (eNB), an allocation of resources for D2D communication;

    modulate control information, for a D2D transmission within resource elements (REs) of a physical D2D control channel, in accordance with a single-carrier frequency division multiplexing (SC-FDM) technique;

    modulate data, for a D2D transmission within REs of a physical D2D shared channel, in accordance with the SC-FDM technique;

    provide synchronization information for the D2D transmissions, the synchronization information based on signaling; and

    generate a demodulation reference signal (DMRS) for transmission within the resources allocated by the eNB for D2D communication, the DMRS configured for demodulation of the physical D2D control channel and the physical D2D shared channel,wherein the REs of the physical D2D control channel and the REs of the physical D2D shared channel are within the resources allocated by the eNB for D2D communication.

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