Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-05-15
2009-10-13
Nguyen, Duc M (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S442000, C455S522000, C370S331000
Reexamination Certificate
active
07603123
ABSTRACT:
A method for minimizing search time and disruption of current service on an originating frequency during a frequency search excursion to a target frequency as part of an inter-frequency hard handoff between cells on different RF CDMA channels. Disruption of service on the current frequency during the frequency search excursion to the target frequency is minimized by increasing the amount of power allocated to other symbols of two consecutive frames impacted by the search excursion as a function of the search excursion time. The mobile station tunes to a target frequency and collects chip samples, which are stored in a memory buffer. The mobile station returns to the originating frequency to process the collected samples.
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Moskowitz Larry J.
Nguyen Duc M
Qualcomm Incorporated
Vu Kenneth K
LandOfFree
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