Patent ID: 8195249
Filing Date: 2012-06-05
Classification: H04W

Abstract:
1. A method in a mobile device having a wireless local area network interface and one or more other wireless interfaces, the method comprising: identifying a location of said mobile device via one or more of said other wireless interfaces; calculating a value that depends, at least in part, on a number numSelections that represents how many times said mobile device entered said location and on a number numAssociations that represents how many times said mobile device associated with any wireless local area network or a particular wireless local area network while at said location; determining intervals from said value, wherein as the ratio of numAssociations to numSelections increases said intervals are shorter subject to a lower limit for said intervals and wherein as the ratio decreases said intervals are longer subject to an upper limit for said intervals; and scanning for wireless local area networks while at said location during scan sessions that are separated by said intervals, wherein said number numSelections is at least 1.