Systems and methods for wireless location based services
AssigneeNextel Communications Inc.
InventorZheng Cai
Life of this patent
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Abstract
Systems and methods for providing location based services are provided. Location based services can include establishing a call between mobile stations when the mobile stations are within a predetermined distance from each other. The location based services can also include providing an originating mobile station with a relative distance to a destination mobile station. The locations of the originating and destination mobile stations can be determined using a timing advance value and information used for a smart antenna array.
Claims15
A method for establishing a call between an originating mobile station and a destination mobile station, the method comprising:
- receiving a request to establish a call between an originating mobile station and destination mobile station, wherein the request includes a location of the originating mobile station and a distance parameter;
- determining a location of the destination mobile station;
- and
- establishing a call between the originating and destination mobile stations when the locations of the originating and destination mobile stations are within the distance parameter.
A method for providing an originating mobile station with relative location information of a destination mobile station, the method comprising the acts of:
- receiving, by a base station from the originating mobile station, a request for location information of the destination mobile station from the originating mobile station;
- determining, by the base station, a location of the originating mobile station using the request;
- receiving location information of the destination mobile station;
- determining a location of the originating mobile station relative to the destination mobile station using the determined location of the originating mobile station and the received location information of the destination mobile station;
- and
- providing the relative location information to the originating mobile station.
Dependencies are inferred from the claim text.