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Grant-less operations

  • US 10,306,671 B2
  • Filed: 06/15/2017
  • Issued: 05/28/2019
  • Est. Priority Date: 06/15/2016
  • Status: Active Grant
First Claim
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1. An apparatus comprising a processor, a memory, and communication circuitry, the apparatus being connected to an access network via its communication circuitry, the apparatus further comprising computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to perform operations comprising:

  • receiving an indication of one or more access allocations for grant-less transmissions;

    selecting an access allocation of the one or more access allocations so as to define a selected access allocation;

    determining a first transmit power level for a grant-less transmission;

    transmitting, at the first transmit power level, an uplink message over the selected access allocation without requesting an uplink grant, so as to transmit a grant-less transmission;

    determining whether to retransmit the uplink message; and

    if the uplink message is retransmitted in a retransmission;

    determining whether to switch to an uplink grant mode for the retransmission;

    determining a second power level for the retransmission; and

    making the retransmission at the second power level, using the uplink grant mode or a grant-less retransmission.

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