Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2006-02-14
2006-02-14
Chin, Stephen (Department: 2634)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S142000, C375S152000, C375S330000, C375S331000
Reexamination Certificate
active
06999502
ABSTRACT:
The present invention relates to a method for receiving CDMA signals with synchronization being obtained through double delayed multiplication, and an associated receiver.According to the invention, the correlation signal undergoes double delayed multiplication. Synchronization is established on the signal thus generated.Applied to digital communications, in particular with mobile phones.
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On the implementation and performance of single and double differential detection schemes, Simon M. K.; Divsalar, D.; Communications, IEEE Transactions on, vol.: 40, Issue: 2, Feb. 1992 pp.: 278-291.
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Boulanger Christophe
Lequepeys Jean-Rene
Lionti Roselino
Piaget Bernard
Chin Stephen
Commissariat a l''Energie Atomique
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