Patent ID: 7079851

Claim:
A method of providing access to an information unit by a wireless unit, the method comprising: providing a first position information containing an access enabled area for the wireless unit, the access enabled area falling within a range of communicable area of a wireless access point; obtaining a second position information containing a current position of the wireless unit; if the current position of the wireless unit is within the access enabled area for the wireless unit according to the first and second position information, then permitting access to the information unit by the wireless unit; and if the current position of the wireless unit is outside the access enabled area for the wireless unit according to the first and second position information, then denying access to the information unit by the wireless unit even if the current position of the wireless unit is within the range of communicable area of the access point; wherein the first position information contains a plurality of access enabled areas which fall within the range of communicable area of one or more wireless access points, and wherein if the current position of the wireless unit is within one of the access enabled areas, then permitting access to the information unit by the wireless unit; and wherein the first position information contains a first access enabled area which falls within the range of communicable area of a first wireless access point, the first position information including a GPS position of the first access enabled area and a height of the first wireless access point; wherein the second position information includes as the current position of the wireless unit a GPS position information of the wireless unit and a height of the wireless access point through which the wireless unit is evaluated for access to an information unit; and wherein the current position of the wireless unit is within the first access enabled area of the wireless unit if the current position is within the first access enabled area in both the GPS position information and the height.