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Techniques for identifying physical hybrid automatic request indicator channel resources

  • US 10,003,994 B2
  • Filed: 09/16/2014
  • Issued: 06/19/2018
  • Est. Priority Date: 09/17/2013
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a processor circuit for user equipment (UE) capable of operating in compliance with one or more 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) standards including LTE-Advanced (LTE-A);

    a receive component for execution by the processor circuit to receive information to establish a physical uplink shared channel (PUSCH) with an evolved Node B (eNB);

    an identify component for execution by the processor circuit to determine based on the information an identification of a physical hybrid automatic repeat request (HARQ) indicator channel (PHICH) resource represented by an index pair including a PHICH group number for a PHICH group and a PHICH sequence; and

    an additional resource component for execution by the processor circuit to identify one or more additional PHICH resources based on further information received from the eNB by the receive component or use of a rule-based assignment;

    wherein the further information is to include a number of identified index pairs for use as additional PHICH resources to enhance coverage for the UE via an established PUSCH with the eNB;

    wherein the additional resource component is to determine whether use of all or some of the number of identified index pairs is needed to enhance coverage; and

    further comprising an indicate component for execution by the processor circuit to indicate to the eNB which index pairs to use from among the number of identified index pairs based on the determination by the additional resource component;

    wherein the additional resource component is to cause repeated use of the determined identified index pairs in a time domain to further enhance coverage of the UE via the established PUSCH with the eNB.

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