Pulse or digital communications – Synchronizers – Frequency or phase control using synchronizing signal
Reexamination Certificate
2006-02-14
2006-02-14
Phu, Phuong (Department: 2631)
Pulse or digital communications
Synchronizers
Frequency or phase control using synchronizing signal
C375S362000, C375S368000, C375S295000
Reexamination Certificate
active
06999545
ABSTRACT:
Described is a system and method for providing a synchronization pattern in a communication system. The method includes generating a synchronization pattern with good randomness properties; packing a signal for transmission with m headers, each header consisting of the synchronization pattern 1/m symbol-time shifted from the previous header; and transmitting the signal. A further method provides for the sampling the transmitted signal with m headers of symbol-time shifted synchronization patterns; and determining symbol timing offset by computing and reordering correlation peaks from the synchronization patterns. A system includes a transmitting system, a receiving system, and a data channel. The transmitted signal includes m headers with 1/m symbol-time shifted synchronization patterns. The receiving system undersamples the transmitted signal with m synchronization patterns to simulate an oversampled synchronization pattern.
REFERENCES:
patent: 4004100 (1977-01-01), Takimoto
patent: 4665519 (1987-05-01), Kirchner et al.
patent: 4761796 (1988-08-01), Dunn et al.
patent: 4910511 (1990-03-01), Nagata et al.
patent: 5038405 (1991-08-01), Karr
patent: 5046066 (1991-09-01), Messenger
patent: 5136719 (1992-08-01), Gaskill et al.
patent: 5243356 (1993-09-01), Hama
patent: 5301358 (1994-04-01), Gaskill et al.
patent: 5732333 (1998-03-01), Cox et al.
patent: 5757782 (1998-05-01), Gaskill
patent: 5854985 (1998-12-01), Sainton et al.
patent: 5884140 (1999-03-01), Ishizaki et al.
patent: 5928322 (1999-07-01), Bitar et al.
patent: 5974034 (1999-10-01), Chin et al.
patent: 6012159 (2000-01-01), Fischer et al.
patent: 6111896 (2000-08-01), Slattery et al.
patent: WO 00/28680 (2000-03-01), None
Sklar, “Digital Communications Fundamentals and Applications”, published by Prentice Hall, in 2000, pp. 729-730.
Gasgill et al., “High Speed Subcarrier Data System (HSDS),”Seiko Communications, Sep. 21, 1993, 14 pgs.
Ambient, “The Ambient Platform,” Sep. 5, 2002, 2 pgs.
Merchant & Gould
Microsoft Corporation
Phu Phuong
LandOfFree
Method and system for undersampled symbol synchronization does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and system for undersampled symbol synchronization, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for undersampled symbol synchronization will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3691629