NDLI: Signal-Processing Schemes for Multi-Track Recording and Simultaneous Detection Using High Areal Density Bit-Patterned Media Magnetic Recording

Content Provider	IEEE Xplore Digital Library
Author	Saito, H.
Copyright Year	1965
Abstract	Recent magnetic recording technologies have opened the possibility of reaching densities of 10 Tb/in². A 2-D magnetic recording (TDMR) scheme has pointed out one of the key technologies for increasing areal density. From the viewpoint of signal processing for TDMR, a recording system is desirable or preferable to be capable of allowing to get readback signals from a group of adjacent parallel tracks and detect recorded data written in these tracks simultaneously. This paper proposes a novel signal processing scheme with coding and detection for bit-patterned media recording (BPMR) which is considered to be TDMR using bit-patterned media. Actually, the proposed signal processing scheme for BPMR gets mixed readback signal sequences from the parallel tracks using a single reading head and these readback signal sequences are equalized to a frequency response given by a desired 2-D generalized partial response system. In decoding process, a single maximum likelihood sequence detector is capable of detecting the equalized signal sequence, and it leads to an increase in the effective transfer rate because the recorded data on the parallel tracks are decoded for each time slot.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	703682
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic recording Media Ground penetrating radar Equalizers Target tracking Bit error rate generalized partial response two-dimensioinal magnetic recording bit-patterned media generalized partial response (GPR) 2-D magnetic recording (TDMR) bit-patterned media (BPM)
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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