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Method and system for management of neighbor scanning

  • US 8,929,907 B1
  • Filed: 09/14/2010
  • Issued: 01/06/2015
  • Est. Priority Date: 09/14/2010
  • Status: Expired due to Fees
First Claim
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1. In a mobile station operative to maintain in data storage an active set specifying a plurality of wireless coverage areas (“

  • active set members”

    ) in which the mobile station is currently set to communicate, a method comprising;

    the mobile station regularly monitoring signal strength of each of the mobile station'"'"'s active set members and determining a rank-ordering of the active set members based on their relative signal strength, wherein relative signal strength of the active set members varies from time to time and thus the rank-ordering varies from time to time;

    the mobile station wirelessly receiving a neighbor list update message (NLUM) that contains a plurality of different neighbor lists each listing respective neighbors and corresponding with a respective rank-ordering of the mobile station'"'"'s active set members;

    based on a determined first rank-ordering of the mobile station'"'"'s active set members, the mobile station selecting one of the neighbor lists;

    the mobile station scanning the neighbors listed in the selected neighbor list in accordance with the selected neighbor list;

    the mobile station detecting a change in the rank-ordering from the determined first rank-ordering to another rank-ordering;

    based on the other rank-ordering, the mobile station selecting another one of the neighbor lists; and

    the mobile station scanning the neighbors listed in the selected other neighbor list in accordance with the selected other neighbor list.

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