Error detection/correction and fault detection/recovery – Pulse or data error handling – Error/fault detection technique
Reexamination Certificate
2005-12-20
2005-12-20
Dildine, R. Stephen (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Error/fault detection technique
C714S004110, C714S712000, C714S757000, C714S777000
Reexamination Certificate
active
06978416
ABSTRACT:
Correction and location information are determined from a number of data vectors. The location information comprises values determined from subsets of the data vectors. Two or more of the subsets have one or more data vectors in common, but also have one or more data vectors, in one or more of the subsets, that are not in other subsets. The subsets comprise groups of data vectors, and the groups of data vectors have a size that is a function of a power of two. Transmission codes are used on the data vectors and correction and location information. Received location information and determined location information are compared to determine a data vector having an error. Received correction information and determined correction information are compared to correct the data vector having the error. Failing optical lanes may be replaced efficiently by using a number of multiplexers coupled to electrical lanes and optical lanes.
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Dildine R. Stephen
International Business Machines - Corporation
Ryan & Mason & Lewis, LLP
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