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System and method for transmission in a grant-free uplink transmission scheme

  • US 10,721,776 B2
  • Filed: 05/25/2018
  • Issued: 07/21/2020
  • Est. Priority Date: 01/27/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • mapping a first user equipment (UE) for uplink grant-free transmission to first time-frequency regions of a frequency partition; and

    configuring the first UE, using high-level signaling, to perform a configured first number of uplink grant-free transmissions including an initial grant-free transmission and at least one grant-free retransmission irrespective of whether the initial grant-free transmission was successfully received, using time-frequency regions indicated by said mapping.

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