Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/91735
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dc.contributorDepartment of Electronic and Information Engineeringen_US
dc.creatorFang, Yen_US
dc.creatorBu, Yen_US
dc.creatorChen, Pen_US
dc.creatorLau, FCMen_US
dc.creatorOtaibi, SAen_US
dc.date.accessioned2021-12-01T00:55:04Z-
dc.date.available2021-12-01T00:55:04Z-
dc.identifier.issn1524-9050en_US
dc.identifier.urihttp://hdl.handle.net/10397/91735-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rights© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for Publishedertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en_US
dc.rightsThe following publication Y. Fang, Y. Bu, P. Chen, F. C. M. Lau and S. A. Otaibi, "Irregular-Mapped Protograph LDPC-Coded Modulation: A Bandwidth-Efficient Solution for 6G-Enabled Mobile Networks," in IEEE Transactions on Intelligent Transportation Systems, vol. 24, no. 2, pp. 2060-2073, Feb. 2023 is available at https://dx.doi.org/10.1109/TITS.2021.3122994.en_US
dc.subject6G networksen_US
dc.subjectBit-Interleaved Coded Modulation (BICM)en_US
dc.subjectInternet of Vehiclesen_US
dc.subjectMassive data storageen_US
dc.subjectProtograph LDPC codesen_US
dc.subjectIrregular mapping (IM)en_US
dc.titleIrregular-mapped protograph LDPC-coded modulation : a bandwidth-efficient solution for 6G-enabled mobile networksen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage2060en_US
dc.identifier.epage2073en_US
dc.identifier.volume24en_US
dc.identifier.issue2en_US
dc.identifier.doi10.1109/TITS.2021.3122994en_US
dcterms.abstractThe huge amount of data produced in the 6G networks not only brings new challenges to the reliability and efficiency of mobile devices but also drives rapid development of new storage techniques. With the benefits of fast access speed and high reliability, NAND flash memory has become a promising storage solution for the 6G networks. In this paper, we investigate a protograph-coded bit-interleaved coded modulation with iterative detection and decoding (BICM-ID) utilizing irregular mapping (IM) in the NAND flash-memory systems. First, we propose an enhanced protograph-based extrinsic information transfer (EPEXIT) algorithm to facilitate the analysis of protograph codes in the IM-BICM-ID systems. With the use of EPEXIT algorithm, a simple design method is conceived for the construction of a family of high-rate protograph codes, called irregular-mapped accumulate-repeat-accumulate (IMARA) codes, which possess excellent decoding thresholds and linear-minimum-distance-growth property. Furthermore, motivated by the voltage-region iterative gain characteristics of IM-BICM-ID systems, a novel read-voltage optimization scheme is developed to acquire accurate read-voltage levels, thus minimizing the decoding thresholds (in dB) of protograph codes. Analyses and simulations indicate that the proposed IMARA-aided IM-BICM-ID scheme and read-voltage optimization scheme remarkably improve the convergence and decoding performance of flash-memory systems. Thus, the proposed protograph-coded IM-BICM-ID can be viewed as a reliable and efficient storage solution for the new-generation mobile networks, such as Internet of Vehicles.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIEEE transactions on intelligent transportation systems, Feb. 2023, v. 24, no. 2, p. 2060-2073en_US
dcterms.isPartOfIEEE transactions on intelligent transportation systemsen_US
dcterms.issued2023-02-
dc.identifier.scopus2-s2.0-85118684564-
dc.identifier.eissn1558-0016en_US
dc.description.validate202111 bcvcen_US
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumbera1080-n01-
dc.identifier.SubFormID43889-
dc.description.fundingSourceRGCen_US
dc.description.fundingTextPolyU 152170/18Een_US
dc.description.pubStatusPublisheden_US
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