Coded data generation or conversion – Digital code to digital code converters – To or from nrz codes
Reexamination Certificate
2008-09-03
2010-02-23
Mai, Lam T (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from nrz codes
C375S295000
Reexamination Certificate
active
07667627
ABSTRACT:
The invention provides a memory code generator. In one embodiment, the memory code generator comprises a code memory, a preparation buffer set, and a correlation buffer set. The code memory stores code data. The preparation buffer set retrieves a first code segment of the code data from the code memory, and shifts the first code segment to obtain a second code segment with a desired code phase required by the correlation buffer set. The correlation buffer set loads the second code segment from the preparation buffer set, and provides a correlation code for correlation according to the second code segment. The preparation buffer set prepares the second code segment corresponding to a subsequent correlation when the correlation buffer set is providing the correlation code for a current correlation according to the first code segment.
REFERENCES:
patent: 6445314 (2002-09-01), Zhang et al.
patent: 6667708 (2003-12-01), Schooler et al.
patent: 2003/0202565 (2003-10-01), Li et al.
Chen Chun-Nan
Tsu Ping Hsuan
Mai Lam T
Mediatek Inc.
Thomas Kayden Horstemeyer & Risley
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