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US 6,816,734 B2Granted
Method and apparatus for improved location determination in a private radio network using a public network system
AssigneeMotorola, Inc.
InventorsChin Pan Wong, Jose E. Korneluk, Deborah Monks, Charles Jackson, Brian K. Larson
Life of this patent
Estimating the term…
Abstract
Location information is acquired through a public network system (102, 106) and transferred over to a private network system (104, 108) in order to improve location accuracy and reduce search time for a two-way radio (104).
Claims8
A location tracking communication system, comprising:
- a satellite navigational system;
- a portable two-way radio operating within a private network;
- a dispatch station operating within the private network;
- a wearable communication device coupled to the portable two-way radio, the wearable communication device operating within a public network;
- a server for relaying location specific assist data, including location, frequency and time, between the portable two-way radio through the private network to the dispatch station;
- and
- a constellation providing location specific assist data to the wearable communication device operating within the public network, the wearable communication device relaying the location specific assist data to the portable two-way radio, the portable two-way radio forwarding the location specific assist data to the server, the server forwarding the location specific assist data to the dispatch station.
4 more elements
Dependencies are inferred from the claim text.