Results 231 to 240 of about 32,045 (253)

Generalized Interlaced Magnetic Recording With Flexible Inter-Track Interference Cancellation

IEEE Transactions on Magnetics, 2018
In this paper, interlaced magnetic recording (IMR) is generalized with a flexible inter-track interference cancellation (F-ITIC) scheme to enhance the overall areal density capability (ADC) by balancing and mitigating the mutual ITI between neighboring tracks.
Euiseok Hwang, Seungwook Yoon
exaly   +3 more sources

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Inter-Track Interference Mitigation for Bit-Patterned Magnetic Recording

IEEE Transactions on Magnetics, 2010
In bit-patterned magnetic recording (BPMR), inter-track interference (ITI) becomes a major impairment due to the small track pitch. One way to mitigate the ITI is to equalize the read channel to a two dimensional (2D) partial-response (PR) target. However, we find that the channel detection on the center track cannot take advantage of the 2D target ...
Wu Chang, J R Cruz
exaly   +2 more sources

Inter-track interference free coding and equalization

Journal of Magnetism and Magnetic Materials, 1997
Abstract A new coding technique using improved inter-track orthogonal coding (ITOC) was proposed for high track density and/or multi-track recording. The coding has, in principle, the ability to eliminate cross talk from adjacent tracks. The new coding was compared with direct NRZI by a computer simulation.
Naoki Honda, Kazuhiro Ōuchi, Shun-Ichi Iwasaki   +2 more
exaly   +2 more sources

Exploitation of inter-track interference in a shingled replay system

Journal of Magnetism and Magnetic Materials, 2009
The expected increase in areal density in hard drives will require very narrow tracks. Tracks which are of a similar width to the read head and which are not separated by guardbands normally suffer from large inter-track interference (ITI) or crosstalk. Here, we show that it is possible to read from tracks which are not separated by guardbands and that
H A Shute, D T Wilton
exaly   +2 more sources

A Parametric Study of Inter-Track Interference in Bit Patterned Media Recording

IEEE Transactions on Magnetics, 2010
We present a parametric study of inter-track interference (ITI) in the context of bit patterned media (BPM) recording channels. Bit error rate (BER) simulation results for optimal bit detection at moderate-to-high signal-to-noise-ratio (SNR) show that, in a certain range of ITI levels, increased ITI does not necessarily degrade performance.
Paul H Siegel
exaly   +2 more sources

Constructive inter-track interference (CITI) codes for perpendicular magnetic recording

Journal of Magnetism and Magnetic Materials, 2005
This paper presents new modulation codes to reduce the effect of adjacent track interference (ATI) also known as inter-track interference (ITI). New modulation codes, that is constructive inter-track interference (CITI) codes and partial response (PR) targets, are investigated using computer simulation in perpendicular magnetic channel. CITI codes have
Mohammed Zaki Ahmed, Paul Davey
exaly   +2 more sources

Asynchronous Inter-Track Interference Cancellation (A-ITIC) for Interlaced Magnetic Recording (IMR)

GLOBECOM 2017 - 2017 IEEE Global Communications Conference, 2017
In this study, a novel inter-track interference (ITI) cancelling scheme is proposed for the interlaced magnetic recording (IMR). Recently proposed IMR shows an areal density capability (ADC) gain by recording tracks in an interlaced manner with separately optimized linear densities, while the severe ITI at the double-sided squeezed tracks limits the ...
Euiseok Hwang
exaly   +2 more sources

An Inter-Track Interference Mitigation Technique Using Partial ITI Estimation in Patterned Media Storage

IEEE Transactions on Magnetics, 2009
The readback signal of patterned media storage (PMS) is corrupted by a two-dimensional interference consisting of inter-symbol interference (ISI) and inter-track interference (ITI). In this paper, we apply the turbo equalization to mitigate the ITI effects. The codeword of the outer code is divided and then written on three separate tracks.
Lin Min Min Myint, Pornchai Supnithi, Pornchai Supnithi   +2 more
exaly   +2 more sources