Error detection/correction and fault detection/recovery – Pulse or data error handling – Data formatting to improve error detection correction...
Patent
1997-06-17
1999-08-31
Moise, Emmanuel L.
Error detection/correction and fault detection/recovery
Pulse or data error handling
Data formatting to improve error detection correction...
714774, 375243, G06F 1100, H03M 1300
Patent
active
059448423
ABSTRACT:
A novel apparatus and method are provided for data communication over noisy media. The apparatus includes one or both of a transmitter circuit located at a transmitting location and a receiver circuit located at a receiving location. The data is encoded to provide error correction capabilities. The encoded signal is further modified by performing one or more linear mathematical operations in order to further randomize the data signal. The transmitter circuit thus generates a wideband spread spectrum signal based on the data which is to be transmitted, which spreads the signal and improves its immunity to noise. The coding used to spread the data signal may or may not be a function of the data itself. The present invention provides enhanced noise immunity without any resulting degradation in the operation and efficiency of the error correction coding. A synchronization circuit and method are also provided for quickly achieving fast, accurate synchronization utilizing parallel synchronization and sub-bit correlation. The error correction is used to correct hard and soft errors, and dynamically adjust the combination of hard and soft errors corrected in order to improve the overall data error correction.
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Propp David L.
Propp Michael B.
Adaptive Networks, Inc.
Moise Emmanuel L.
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