Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-05-11
2010-12-28
Mehrpour, Melody (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S445000, C455S435200, C455S069000
Reexamination Certificate
active
07860527
ABSTRACT:
Techniques for operating two receivers to receive data and paging from two systems are described. A primary receiver is associated with better performance than a secondary receiver under poor RF conditions. The two receivers may be operated in either a hybrid mode in which the primary receiver is used to receive paging or a simultaneous mode in which the second receiver is used to receive paging. One of the modes may be selected for use based on RF conditions, received power, demodulation metrics, and/or other criteria. In one design, a mode is selected based on the received power and one or more thresholds. In another design, the hybrid mode is selected for poor RF conditions and, for good RF conditions, the hybrid or simultaneous mode is selected based on received power.
REFERENCES:
patent: 2003/0048753 (2003-03-01), Jalali
patent: 2004/0152429 (2004-08-01), Haub et al.
patent: 2008/0080634 (2008-04-01), Kotecha et al.
Ciccarelli Steven C.
Glazko Serguei A.
Ngai Francis Ming-Meng
Tu Alex Kuang-Hsuan
Ekwueme Kristine U.
Mehrpour Melody
QUALCOMM Incorporated
Seo Howard H.
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