Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-05-06
2008-05-06
Le, Thanh Cong (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S553100, C455S254000
Reexamination Certificate
active
07369874
ABSTRACT:
Provided is a Global Positioning System (GPS) receive sensitivity-improving apparatus and method in a Code Division Multiple Access (CDMA) mobile terminal, which improves a GPS receive sensitivity by preventing a reference frequency variation caused by a thermal transient in the CDMA mobile terminal. The mobile terminal includes a transmitter equipped with CDMA/PCS (Personal Communication System) Power Amplifying Modules (PAMs) and a receiver equipped with a CDMA/PCS reception module and a GPS reception module. The CDMA/PCS PAMs remain turned on irrespective of the mobile terminal's operation modes. The CDMA/PCS reception module is turned on in a CDMA/PCS mode, and the GPS reception module is turned on in a GPS mode. The GPS receive sensitivity-improving apparatus and method prevents a GPS receive sensitivity from being affected by a module arrangement on the PCB of the mobile terminal, thereby making it possible to manufacture smaller, lighter and more compact mobile terminals.
REFERENCES:
patent: 2003/0153279 (2003-08-01), Kang et al.
patent: 2006/0234658 (2006-10-01), Sue et al.
Cong Le Thanh
Samsung Electronics Co,. Ltd.
The Farrell Law Firm PC
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