CDMA path protection method based on path protection...

Details CDMA path protection method based on path protection... CDMA path protection method based on path protection...

2008-04-15

2008-04-15

Backer, Firmin (Department: 2616)

Multiplex communications

Channel assignment techniques

Combining or distributing information via code word channels...

C370S320000, C370S335000, C370S342000, C370S479000, C455S450000, C375S137000, C375S147000

Reexamination Certificate

active

10475313

ABSTRACT:
A path protection method for a CDMA reception apparatus is disclosed, which obtains correlation value levels while shifting the despreading timing of reception data little by little, searches for optimal reception timings, outputs a plurality of finger path timings, with respect to the reception data, as reception timings at which reception should be performed, and despreads the respective paths, thereby performing RAKE combining. If all protection paths are in the forward protection state upon execution of path backward protection and forward protection, a protection path with the lowest level is deleted, and a search path having the highest level among paths which are equal to or more than a threshold and detected by a searcher is registered in the deleted portion, thereby allowing assignment of a newly detected path even in the absence of a protection path space.

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