Invention Grant
US08891199B2 Robust metric computation of longitudinal position (LPOS) data symbol detection
有权
纵向位置(LPOS)数据符号检测的鲁棒度量计算
- Patent Title: Robust metric computation of longitudinal position (LPOS) data symbol detection
- Patent Title (中): 纵向位置(LPOS)数据符号检测的鲁棒度量计算
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Application No.: US14046646Application Date: 2013-10-04
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Publication No.: US08891199B2Publication Date: 2014-11-18
- Inventor: Giovanni Cherubini , Jens Jelitto , Robert A. Hutchins
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Zilka-Kotab, PC
- Main IPC: G11B5/584
- IPC: G11B5/584

Abstract:
An apparatus according to one embodiment includes a digital correlator configured to compute a correlation signal between a sequence of samples of a readback servo signal and a reference waveform. A timing reference module is configured to provide a reference timing model comprising one or more interpolation instants to the digital correlator, wherein the correlation signal determined at each interpolation instant yields a detection metric for one data symbol. A correlation interpolator is configured to interpolate the correlation signal at the interpolation instants and compute a longitudinal position (LPOS) detection metric according to the interpolated correlation signal samples.
Public/Granted literature
- US20140036382A1 ROBUST METRIC COMPUTATION OF LONGITUDINAL POSITION (LPOS) DATA SYMBOL DETECTION Public/Granted day:2014-02-06
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