Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-09-04
2007-09-04
Vuong, Quochien B. (Department: 2618)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S338000, C455S456500, C455S522000
Reexamination Certificate
active
10956115
ABSTRACT:
A method and system for detecting the position of a mobile unit efficiently and with high precision in a multipath environment. A wireless position detection system made up of a mobile station containing a wireless communication means to allow sending and receiving multiple to and from mutually different antenna positions and, a base station for performing wireless communication with mobile stations containing a wireless communication means and, multiple wireless receivers for receiving each of the multiple signals sent by the wireless communication means between the base stations and, a server for detecting the position of the mobile station from each wireless receiver and from the position of the base station, and the time relating to received signals measured by the multiple wireless receivers.
REFERENCES:
patent: 6208874 (2001-03-01), Rudisill et al.
patent: 6272356 (2001-08-01), Dolman et al.
patent: 2002/0191554 (2002-12-01), Kondo
patent: 2002-14152 (2000-06-01), None
Matsuzawa Naoto
Ogino Atsushi
Suzuki Hideya
Tsunehara Katsuhiko
Yamasaki Ryota
A. Marquez, Esq. Juan Carlos
Chan Richard
Fisher Esq. Stanley P.
Reed Smith LLP
Vuong Quochien B.
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