Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2000-10-02
2009-11-03
Odom, Curtis B (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S136000, C375S137000, C375S144000
Reexamination Certificate
active
07613229
ABSTRACT:
A method of managing fingers for multipath signals in a wireless communication device. In one embodiment, the present invention recites receiving multipath signals at a wireless communication device. The present embodiment then acquires one of the multipath signals in a searcher portion of the wireless communication device and determines a signal-to-noise ratio (SNR) level of the one multipath signal. Next, the present embodiment evaluates the multipath signal for categorization into one of a plurality of states and then generates a finger assignment by selectively providing the multipath signal for a demodulation operation based upon its state. The present embodiment then receives the finger assignment from the searcher portion of the communication device and determines a signal-strength for the finger assignment. The present embodiment then enables the finger assignment for a combine operation if the signal-strength for the finger assignment satiates a first signal-strength threshold. The present embodiment also prevents the finger assignment from being deassigned if the signal-strength of the finger assignment satiates a second threshold, wherein the second signal-strength threshold is less than the first signal-strength threshold.
REFERENCES:
patent: 5754583 (1998-05-01), Eberhardt et al.
patent: 6072807 (2000-06-01), Daudelin
patent: 6269075 (2001-07-01), Tran
patent: 6370183 (2002-04-01), Newson et al.
patent: 6515977 (2003-02-01), Bi et al.
Aldaz Luis
Hsia Daniel Jeng
Jeong Gibong
Liu Juncheng C.
Luker Greg
Carlson David V.
Odom Curtis B
Seed IP Law Group PLLC
ST Wireless SA
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