Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2011-07-05
2011-07-05
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S357470, C342S357640
Reexamination Certificate
active
07973708
ABSTRACT:
The present invention provides a global navigation satellite system (GNSS) based positioning system and tracking method using a data communication network. When a GNSS-based positioning device is connected to a data communication network, the positioning device transfers the GNSS digital data and supplementary information used for additional performance improvement to a location tracking server through the data communication network, the location tracking server calculates a position of the positioning device with improved receiver sensitivity based on plentiful computational resources available at the location tracking server. Thus, the positioning device may find its location of even in very poor signal condition. Further, the present invention provides a positioning system and method using a data communication network, which may achieve time synchronization when there is a need to extract not only position information but also absolute timing information.
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Han Jin Hee
Lee Hun
Lee Jeong Goo
Lee No Hyoung
Jenkins Wilson Taylor & Hunt, P.A.
Tarcza Thomas H
Telace Inc.
Vigushin John B
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