Patent 7616957 was granted and assigned to Nextel Communications on November, 2009 by the United States Patent and Trademark Office.
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.