Patent ID: 7930729

Claim:
A method of performing an association operation for a first station in a wireless communication system, the method comprising: performing, by the first station, an authentication procedure with a second station; transmitting, by the first station, an association request comprising a plurality of information elements to the second station which is authenticated with the first station, wherein the plurality of information elements comprise a presence parameters information element; and receiving, by the first station, an association response comprising a plurality of information elements including an association identification (ID) assigned to the first station from the second station, wherein the presence parameters information element comprises location descriptor information and one or more of an Element ID field, a Length field, a Location Descriptor field, a Location Resolution descriptor field, and an Encoding descriptor field, wherein the location descriptor information describes content of a Location Data element either requested or received by the first station, wherein the presence parameters information element further comprises location data information providing location data, the location data information comprising one or more of an Element ID field, a Length field, a Location Accuracy Estimate field and a Location Value field that contains location data that matches a format defined by the location descriptor information, and wherein the presence parameters information element further comprises one or more of Presence Indication Parameters, Presence Indication Channels, Presence Request Options, Presence Status, Location Service Parameters, Radio Information, Timing Measurements, Motion, and Location ID information.