Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-12-25
2007-12-25
Payne, David C. (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S148000, C375S367000, C375S343000
Reexamination Certificate
active
10312583
ABSTRACT:
One code is generated by combining (including addition) 2 or more codes, correlation detection method which detects the correlation by multiplying such a generated code by the reception data. In communication system based on W-CDMA method, first spreading code (a·Cp) obtained by multiplying primary synchronization code with a predetermined coefficient and second spreading code (a·Cs) obtained by multiplying secondary synchronization code with a predetermined coefficient are added. Then, the third spreading code (a·Cp+a·Cs) obtained from such an addition is multiplied by the reception data, and correlation value is obtained after integrating the multiplication results. Thus, it is determined whether the reception data has been subjected to STTD diversity.
REFERENCES:
patent: 4759034 (1988-07-01), Nagazumi
patent: 5315616 (1994-05-01), DeLisle et al.
patent: 5960028 (1999-09-01), Okamoto et al.
patent: 6154487 (2000-11-01), Murai et al.
patent: 6205167 (2001-03-01), Kamgar et al.
patent: 6493334 (2002-12-01), Krzymien et al.
patent: 6650689 (2003-11-01), Oishi et al.
patent: 2002/0051486 (2002-05-01), Aue
patent: 2002/0057729 (2002-05-01), Farbod et al.
patent: 2340002 (2000-02-01), None
patent: 9-18386 (1997-01-01), None
patent: 11-41141 (1999-02-01), None
patent: 11-041141 (1999-02-01), None
patent: 2000-36775 (2000-02-01), None
patent: 2000-315965 (2000-11-01), None
patent: 2001-69033 (2001-03-01), None
English Language Abstract of JP 2000-36775.
English Language Abstract of JP 9-18386.
English Language Abstract of JP 2000-315965.
English Language Abstract of JP 11-41141.
English Language Abstract of JP 2001-69033.
Article published by 3GPP TS 25.211 V3.6.0 (Mar. 2001) Technical Specification, entitled 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical channels and mapping of transport channels onto physical channels (FDD) (Release 1999).
Ettehadieh Aslan
Greenblum & Bernstein P.L.C.
Matsushita Electric - Industrial Co., Ltd.
Payne David C.
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