Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-05-08
2007-05-08
Tran, Khanh (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
Reexamination Certificate
active
10295692
ABSTRACT:
A system for detecting and identifying the identity of a base station or cell which transmits a scrambling code is provided. According to one aspect of the system, the system is used to perform scrambling code detection of eight (8) primary cells (each scrambling code's X-component being spaced sixteen (16) chips apart) in a group. According to another aspect of the system, a single scrambling code generator is used to generate a master scrambling code. The master scrambling code is then used to create individual scrambling codes which are used in correlation with received signals to detect in parallel which one of the eight (8) possible primary cells in the group transmitted the received signals. According to yet another aspect of the system, each of the correlators maintains a corresponding X-component segment of the master scrambling code. For every sixteen (16) chips, a new X-component segment of the master scrambling code is introduced into one of the correlators, a X-component segment of the master scrambling code is dropped from another correlator, and X-component segments of the master scrambling code are sequentially shifted or propagated through the remaining correlators; and concurrent correlations are performed by the correlators using their respective corresponding X-component segments of the master scrambling code and newly received signals.
REFERENCES:
patent: 6985517 (2006-01-01), Matsumoto et al.
patent: 7050486 (2006-05-01), Yasaki
patent: 2001/0048714 (2001-12-01), Jha
patent: 2002/0141489 (2002-10-01), Imaizumi
patent: 2003/0063656 (2003-04-01), Rao et al.
patent: 2003/0099223 (2003-05-01), Chang et al.
patent: 1 056 217 (2000-11-01), None
patent: 1 1 89 358 (2002-03-01), None
Wang, Y-P E. et al. “Cell Search in W-CDMA”IEEE Journal on Selected Areas in Communications, IEEE Service Center, Piscataway, U.S., vol. 18, No. 8, Aug. 2000, pp. 1470-1482, XP002224578 ISSN: 0733-8716, p. 1470.
Heidari Ghobad
Sambhwani Sharad
Ahn Sam K.
Stevens Law Group
Tran Khanh
LandOfFree
Low I/O bandwidth method and system for implementing... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low I/O bandwidth method and system for implementing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low I/O bandwidth method and system for implementing... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3788767