Seagate Technology Incorporated

Guofang Xu

Michael John Link

William Michael Radich

Richard P Michel

Anand R Kharpate

Systems, devices, and method for phase slip recovery may include reading a plurality of data portions of a data block and positioning a mask over one or more data portions of the data block. The data portions following the mask may be shifted to provide a masked, reframed data block, and then the data block may be attempted to be decoded, which may be repeated until the data block is decoded.

Phase slip recovery

Devices, methods, and systems of a communications channel detector are disclosed that can compare a plurality of candidate sequences of bits and decisions to identify unlikely error events. The detector may then discard at least one candidate sequence based on an unlikely error event to produce a set of remaining paths. A branch metric calculator may be adapted to calculate metrics for a set of remaining paths.

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Longmont, CO, United States of America

Guofang Xu