CDMA mobile communications apparatus and base station...

Details CDMA mobile communications apparatus and base station... CDMA mobile communications apparatus and base station...

2006-04-04

2006-04-04

Nguyen, Steven H D (Department: 2665)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S335000, C370S503000, C375S149000

Reexamination Certificate

active

07023831

ABSTRACT:
To provide a CDMA mobile communications apparatus which can enhance a detection probability of a base station received with low power. A first threshold determination unit selects a peak correlation value output from a slot synchronizing unit based on a predetermined first threshold T1. A second threshold determination unit selects the peak correlation value selected by the first threshold determination unit based on the predetermined second threshold T2. A first storage unit and a second storage unit hold slot timing corresponding to the peak correlation value selected by the second threshold determination unit. The slot timing selection unit appropriately selects the slot timing held in the first storage unit and the second storage unit, and sequentially transmits the slot timing to a frame synchronization/code group identifying unit and a Scrambling Code identifying unit.

REFERENCES:
patent: 6459402 (2002-10-01), Tsunehara et al.
patent: 6625200 (2003-09-01), Dent
patent: 6804215 (2004-10-01), Tanoue

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