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An Inter-Doppler Interference Constrained OC-DFE for OTFS in UWA Communications

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aut.relation.endpage1
aut.relation.journalIEEE Wireless Communications Letters
aut.relation.startpage1
dc.contributor.authorYang, Yang
dc.contributor.authorMa, Lu
dc.contributor.authorSeet, Boon-Chong
dc.date.accessioned2025-11-06T02:07:40Z
dc.date.available2025-11-06T02:07:40Z
dc.date.issued2025
dc.description.abstractOrthogonal Time Frequency Space (OTFS) modulation presents a promising approach for underwater acoustic (UWA) communication. This study proposes an iterative decision feedback equalizer based on optimal combining (OC) for UWA-OTFS systems, addressing challenges posed by the fullmatrix channel characteristics in the delay-Doppler domain. The proposed detector maximizes the signal-to-interference-plusnoise ratio of the combined signal. Furthermore, by introducing inter-Doppler interference depth, the OC detector dynamically constrains the number of combining terms. Simulation results demonstrate that the proposed detector effectively balances bit error rate performance with computational complexity.
dc.identifier.citationIEEE Wireless Communications Letters, ISSN: 2162-2337 (Print); 2162-2345 (Online), Institute of Electrical and Electronics Engineers (IEEE), 1-1. doi: 10.1109/lwc.2025.3624208
dc.identifier.doi10.1109/lwc.2025.3624208
dc.identifier.issn2162-2337
dc.identifier.issn2162-2345
dc.identifier.urihttp://hdl.handle.net/10292/20072
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urihttps://ieeexplore.ieee.org/document/11223900
dc.rights© 2025 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 advertising 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.
dc.rights.accessrightsOpenAccess
dc.subject0805 Distributed Computing
dc.subject0906 Electrical and Electronic Engineering
dc.subject1005 Communications Technologies
dc.subject4006 Communications engineering
dc.subject4009 Electronics, sensors and digital hardware
dc.subject4606 Distributed computing and systems software
dc.titleAn Inter-Doppler Interference Constrained OC-DFE for OTFS in UWA Communications
dc.typeJournal Article
pubs.elements-id745303

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