Invention Grant
- Patent Title: Storage media inter-track interference cancellation
- Patent Title (中): 存储介质轨道间干扰消除
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Application No.: US13591980Application Date: 2012-08-22
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Publication No.: US08830613B2Publication Date: 2014-09-09
- Inventor: Timothy B. Lund , Carl E. Forhan , Timothy W. Swatosh , Erich Franz Haratsch , George Mathew , Ming Jin , Jongseung Park
- Applicant: Timothy B. Lund , Carl E. Forhan , Timothy W. Swatosh , Erich Franz Haratsch , George Mathew , Ming Jin , Jongseung Park
- Applicant Address: US CA Milpitas
- Assignee: LSI Corporation
- Current Assignee: LSI Corporation
- Current Assignee Address: US CA Milpitas
- Main IPC: G11B5/09
- IPC: G11B5/09

Abstract:
Described embodiments provide a method of cancelling inter-track interference (ITI) from one or more sectors read from a desired track of a storage medium. A read channel reads sectors in a desired track of the storage medium. An iterative decoder of the read channel decodes the read sectors, and if the read sectors are incorrectly recovered from the storage medium, selected sectors of a first adjacent track are read. An ITI canceller of the read channel estimates ITI in the read sectors of the desired track corresponding to the selected sectors of the adjacent track and subtracts the estimated ITI of the adjacent track from the data for the sectors of the desired track, providing updated sector data. The ITI cancelled data is replayed to the iterative decoder, which decodes the ITI cancelled data and provides the decoded ITI cancelled data as output data of the read channel.
Public/Granted literature
- US20130223199A1 STORAGE MEDIA INTER-TRACK INTERFERENCE CANCELLATION Public/Granted day:2013-08-29
Information query
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