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Coordinated multipoint mode selection for relay base station

  • US 10,211,907 B1
  • Filed: 05/26/2016
  • Issued: 02/19/2019
  • Est. Priority Date: 05/26/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining, by a relay base station, a load indication for a communication link between a relay wireless communication device (WCD) and a donor base station, wherein the relay base station is provided with a backhaul connection via the relay WCD and the donor base station;

    using, by the relay base station, the load indication for the communication link between the relay WCD and the donor base station as a basis for selecting a coordinated multipoint (CoMP) mode from a plurality of available CoMP modes; and

    providing, by the relay base station, wireless service in at least one coverage area according to the selected CoMP mode;

    wherein the plurality of CoMP modes comprises at least a first CoMP mode and a second CoMP mode, wherein wireless service according to the first CoMP mode comprises centralized joint processing, wherein wireless service according to the second CoMP mode comprises decentralized joint processing, and wherein selecting the CoMP mode from the plurality of CoMP modes comprises;

    determining whether or not the load indication is greater than a predetermined threshold;

    if it is determined that the load indication is greater than the predetermined threshold, then selecting the second CoMP mode; and

    if it is determined that load indication is less than or equal to the threshold, then selecting the first CoMP mode, wherein the first CoMP mode corresponds to a greater level of backhaul communications via the communication link between the relay WCD and the donor base station, as compared to second CoMP mode.

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