Patent ID: 7248880
Filing Date: 2007-07-24
Classification: G01S,H04L,H04W

Abstract:
1. A method for determining a location of a device that is part of a communication network, comprising: wirelessly transmitting from a transponder a request including data indicative of a location identifier associated with a geographic area of said transponder; receiving, by said device, said request including said data indicative of said location identifier transmitted by said transponder, wherein said device is connected to said communication network and comprises an IP compliant client device; sending, in response to said request, said data indicative of said location identifier from said device to a server connected to said communication network via said communication network, wherein said server associates said location identifier with said device; and sending instructions to said device from said server as to whether said device is allowed to use a previously determined location identifier and as to how old the previously determined identifier is allowed to be.