Patent ID: 7433673
Filing Date: 2008-10-07
Classification: H04L,H04W

Abstract:
1. A method of providing location information for a wireless local area network (WLAN), said WLAN having a plurality of wireless access points, said method comprising: allocating to each one of said wireless access points in said WLAN a set of one or more identifiers specific to said one of said wireless access points; storing in a correlation database correlations between geographic locations of said wireless access points and identifiers allocated to said wireless access points; associating a mobile node with a given wireless access point in said WLAN; and receiving a message originating from said mobile node, said message including a given identifier from said given wireless access point's set of one or more identifiers, wherein said message comprises a request to originate a call; and determining a geographic location of said given wireless access point from said given identifier included in said message, whereby said given identifier indicates that said mobile node is located within a communication range of said geographic location of said given wireless access point.