Invention Grant
- Patent Title: Far field interference mitigation by relative frequency ordering
- Patent Title (中): 通过相对频率排序实现远场干扰减轻
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Application No.: US14601588Application Date: 2015-01-21
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Publication No.: US09153247B1Publication Date: 2015-10-06
- Inventor: David Robison Hall , Ali Sam Khalili
- Applicant: HGST Netherlands B.V.
- Applicant Address: NL Amsterdam
- Assignee: HGST NETHERLANDS B.V.
- Current Assignee: HGST NETHERLANDS B.V.
- Current Assignee Address: NL Amsterdam
- Main IPC: G11B27/36
- IPC: G11B27/36 ; G11B5/012

Abstract:
A method is disclosed for improved operation of a data storage device such as a hard disk drive, wherein the overhead for data rewriting is reduced or eliminated by the grouping of logical zones in proximity to other zones with similar writing frequencies. Thus cold zones are written near other cold zones, and hot zones near other hot zones, within a multiplicity of realms on the data storage surface. Substantial reductions in FTI writes are achievable in comparison with previous FTI mitigation algorithms.
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