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This paper proposes a joint turbo equalization and bit interleaved coded modulation with iterative detection-based interleave division multiple access (IDMA) technique over frequency selective fading channels. The transmission chain's parameters are optimized by using extrinsic information transfer-constrained Binary Switching Algorithm at a very low signal-to-noise power ratio range. A frequency...
Two-dimensional magnetic recording (TDMR) is expected to drive continued areal density growth of hard-disk drives (HDDs) as the growth for conventional perpendicular magnetic recording (PMR)-based HDDs is slowing down. Feasibility of manufacturing more than one reader in a single head has hastened the development of TDMR and considerable effort is underway in developing read channels that can exploit...
Noise-predictive maximum likelihood (NPML) is a well known signal detection technique used in partial response maximum likelihood (PRML) scheme in 1D magnetic recording channels. The noise samples colored by the partial response (PR) equalizer are predicted/whitened during the signal detection using a Viterbi detector. In this paper, we propose an extension of the NPML technique for signal detection...
Two Dimensional Magnetic Recording (TDMR) combined with Shingled Magnetic Recording (SMR) are upcoming recording technologies that are intended to see the industry over until more advanced recording schemes mature. SMR is a writing technology that enables writing of narrower tracks with wider write heads by means of shingling (overlapping) subsequent tracks. TDMR is the corresponding readback technology...
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