Managing assigned fingers in wireless telecommunication...

Details Managing assigned fingers in wireless telecommunication... Managing assigned fingers in wireless telecommunication...

2005-12-13

2005-12-13

Chin, Stephen (Department: 2634)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S150000, C370S335000

Reexamination Certificate

active

06975670

ABSTRACT:
Managing assigned fingers in wireless telecommunication, such as Code Division Multiple Access (CDMA), using a finger lock mechanism. The method includes a series of steps, including a first step of receiving a finger assignment from a searcher portion of a communication device. Next, the signal-strength of the finger assignment is determined, and a time period over which the signal-strength exists is determined. The finger assignment is then compared to multiple signal-strength thresholds and to a time threshold. In the next step, the finger assignment is evaluated for a combing operation based upon which of the aforementioned thresholds it satiates. In particular, the finger assignment is enabled for a combining operation if it is a new finger assignment or if it continues to satiate a combine signal-strength threshold. Alternatively, the finger assignment is not enabled for combining but neither is it deassigned (e.g., a locked state) if it fails to satiate the combine signal-strength threshold but does satiate the lock signal-strength threshold without exceeding the time threshold. Lastly, control of the finger assignment is passed to the searcher if the finger assignment fails to satiate the lock signal-strength threshold.

REFERENCES:
patent: 5490165 (1996-02-01), Blakeney et al.
patent: 5754583 (1998-05-01), Eberhardt et al.
patent: 6130923 (2000-10-01), Levin et al.
patent: 6201827 (2001-03-01), Levin et al.
patent: 6414988 (2002-07-01), Ling
patent: 6633552 (2003-10-01), Ling et al.

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