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Paging strategy based on paging success rate and paging-channel occupancy

  • US 8,996,074 B1
  • Filed: 03/26/2012
  • Issued: 03/31/2015
  • Est. Priority Date: 03/26/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • at a switch in a radio access network, making a determination that a particular wireless communication device (WCD) should be paged;

    responsive to the determination that the particular WCD should be paged, selecting one or more coverage areas for an initial page attempt to the particular WCD, wherein selecting the one or more coverage areas comprises;

    (i) determining a subset of the coverage areas from a recent-response list that includes coverage areas via which a page response message was recently received from the particular WCD, wherein each coverage area in the subset has a respective paging success rate that is greater than a threshold rate; and

    (ii) for each coverage area in the subset;

    (a) determining whether a respective paging-channel occupancy of the coverage area is greater than a threshold occupancy and (b) removing the coverage area from the subset if the paging-channel occupancy of the coverage area is greater than the threshold occupancy; and

    after removing any coverage areas having greater than the threshold occupancy, initiating the initial page attempt to the particular WCD in the subset of coverage areas.

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