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LOW LATENCY PHYSICAL LAYER DESIGN FOR CONTENTION-BASED UPLINK CHANNELS

  • US 20190029013A1
  • Filed: 09/12/2018
  • Published: 01/24/2019
  • Est. Priority Date: 11/25/2014
  • Status: Active Grant
First Claim
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1. A method for wireless communication by a user equipment (UE), comprising:

  • receiving an assignment assigning a group of resources within an uplink subframe to a group of UEs including the UE;

    selecting, by the UE, resources from its assigned group of resources for contention-based access within the uplink subframe;

    transmitting an uplink transmission in the subframe based to a base station (BS), at least in part, on the selected group of resources, wherein the uplink transmission includes a demodulated reference signal (DMRS);

    receiving an uplink assignment in response to the uplink transmission; and

    transmitting subsequent uplink transmissions using the uplink assignment.

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