{"id":"https://openalex.org/W4387831661","doi":"https://doi.org/10.1109/lcomm.2023.3326168","title":"A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS","display_name":"A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS","publication_year":2023,"publication_date":"2023-10-20","ids":{"openalex":"https://openalex.org/W4387831661","doi":"https://doi.org/10.1109/lcomm.2023.3326168"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2023.3326168","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3326168","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://pure.tue.nl/ws/files/314624330/A_Sliding-Window_LMMSE_Turbo_Equalization_Scheme_for_OTFS.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074991848","display_name":"Franz Lampel","orcid":"https://orcid.org/0000-0002-6520-2469"},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Franz Lampel","raw_affiliation_strings":["Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0002-6520-2469","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060148074","display_name":"Alex Alvarado","orcid":"https://orcid.org/0000-0002-2172-3051"},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Alex Alvarado","raw_affiliation_strings":["Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0002-2172-3051","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039843593","display_name":"F.M.J. Willems","orcid":"https://orcid.org/0000-0002-7316-3471"},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Frans M. J. Willems","raw_affiliation_strings":["Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0002-7316-3471","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Information and Communication Theory Laboratory, Signal Processing Systems Group, Eindhoven University of Technology, Eindhoven, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I83019370"],"apc_list":null,"apc_paid":null,"fwci":0.1659,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.41543226,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"27","issue":"12","first_page":"3320","last_page":"3324"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/turbo","display_name":"Turbo","score":0.7791306972503662},{"id":"https://openalex.org/keywords/sliding-window-protocol","display_name":"Sliding window protocol","score":0.7443181872367859},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.7233545184135437},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6962035894393921},{"id":"https://openalex.org/keywords/turbo-equalizer","display_name":"Turbo equalizer","score":0.6568474173545837},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5745204091072083},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5654831528663635},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.536782443523407},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.4843522310256958},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3577794134616852},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.33414605259895325},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.33101797103881836},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.2964831590652466},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.1395794153213501},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1364380121231079},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0982634425163269},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09282228350639343},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.08272016048431396},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.05950266122817993}],"concepts":[{"id":"https://openalex.org/C2776240298","wikidata":"https://www.wikidata.org/wiki/Q1138513","display_name":"Turbo","level":2,"score":0.7791306972503662},{"id":"https://openalex.org/C102392041","wikidata":"https://www.wikidata.org/wiki/Q592860","display_name":"Sliding window protocol","level":3,"score":0.7443181872367859},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.7233545184135437},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6962035894393921},{"id":"https://openalex.org/C12232224","wikidata":"https://www.wikidata.org/wiki/Q7853840","display_name":"Turbo equalizer","level":5,"score":0.6568474173545837},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5745204091072083},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5654831528663635},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.536782443523407},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.4843522310256958},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3577794134616852},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.33414605259895325},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.33101797103881836},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.2964831590652466},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.1395794153213501},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1364380121231079},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0982634425163269},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09282228350639343},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.08272016048431396},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.05950266122817993},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/lcomm.2023.3326168","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3326168","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:pure.tue.nl:publications/782c8f10-989e-4672-ab13-bedf498b2cd0","is_oa":true,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85174802880&partnerID=8YFLogxK","pdf_url":"https://pure.tue.nl/ws/files/314624330/A_Sliding-Window_LMMSE_Turbo_Equalization_Scheme_for_OTFS.pdf","source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lampel, F, Alvarado, A & Willems, F M J 2023, 'A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS', IEEE Communications Letters, vol. 27, no. 12, 3326168, pp. 3320-3324. https://doi.org/10.1109/LCOMM.2023.3326168","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.tue.nl:openaire/782c8f10-989e-4672-ab13-bedf498b2cd0","is_oa":true,"landing_page_url":"https://research.tue.nl/files/314624330/A_Sliding-Window_LMMSE_Turbo_Equalization_Scheme_for_OTFS.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lampel, F, Alvarado, A & Willems, F M J 2023, 'A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS', IEEE Communications Letters, vol. 27, no. 12, 3326168, pp. 3320-3324. https://doi.org/10.1109/LCOMM.2023.3326168","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.tue.nl:openaire_cris_publications/782c8f10-989e-4672-ab13-bedf498b2cd0","is_oa":true,"landing_page_url":"https://research.tue.nl/en/publications/782c8f10-989e-4672-ab13-bedf498b2cd0","pdf_url":null,"source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lampel, F, Alvarado, A & Willems, F M J 2023, 'A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS', IEEE Communications Letters, vol. 27, no. 12, 3326168, pp. 3320-3324. https://doi.org/10.1109/LCOMM.2023.3326168","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:pure.tue.nl:publications/782c8f10-989e-4672-ab13-bedf498b2cd0","is_oa":true,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85174802880&partnerID=8YFLogxK","pdf_url":"https://pure.tue.nl/ws/files/314624330/A_Sliding-Window_LMMSE_Turbo_Equalization_Scheme_for_OTFS.pdf","source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lampel, F, Alvarado, A & Willems, F M J 2023, 'A Sliding-Window LMMSE Turbo Equalization Scheme for OTFS', IEEE Communications Letters, vol. 27, no. 12, 3326168, pp. 3320-3324. https://doi.org/10.1109/LCOMM.2023.3326168","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321800","display_name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek","ror":"https://ror.org/04jsz6e67"},{"id":"https://openalex.org/F4320322835","display_name":"Ministry of Economic Affairs","ror":"https://ror.org/042ge0913"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4387831661.pdf","grobid_xml":"https://content.openalex.org/works/W4387831661.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W2101617851","https://openalex.org/W2158514560","https://openalex.org/W2962951066","https://openalex.org/W2978825329","https://openalex.org/W3033820925","https://openalex.org/W3200797369","https://openalex.org/W4249727796","https://openalex.org/W4309571085","https://openalex.org/W4316661032","https://openalex.org/W4387092289","https://openalex.org/W4388426840","https://openalex.org/W4393028615","https://openalex.org/W6862447219"],"related_works":["https://openalex.org/W2111465178","https://openalex.org/W2103764150","https://openalex.org/W2116478666","https://openalex.org/W2062675820","https://openalex.org/W2147600706","https://openalex.org/W2593195270","https://openalex.org/W2101617851","https://openalex.org/W2535923291","https://openalex.org/W2010424581","https://openalex.org/W4313047073"],"abstract_inverted_index":{"This":[0],"letter":[1],"discusses":[2],"a":[3,63,79,91,96,129,145],"recently":[4],"proposed":[5],"linear":[6],"minimum":[7],"mean":[8],"square":[9],"error":[10,98],"(LMMSE)":[11],"turbo":[12,111,124],"equalization":[13,59],"scheme":[14],"for":[15,78,144],"OTFS.":[16],"The":[17,133],"complexity":[18,118],"of":[19,27,35,38,55,71,119,131],"the":[20,25,33,36,47,53,58,68,72,108,114,117,120],"LMMSE-based":[21,110],"equalizer,":[22],"measured":[23],"by":[24,61,128],"number":[26,37,54],"complex":[28],"multiply-and-addition":[29],"operations,":[30],"scales":[31],"with":[32,139],"cube":[34],"transmitted":[39],"symbols":[40,56],"in":[41,57],"an":[42],"OTFS":[43],"frame.":[44],"To":[45],"lower":[46],"complexity,":[48],"we":[49],"propose":[50],"to":[51,107],"limit":[52],"process":[60],"introducing":[62],"sliding":[64,93,121],"window":[65,94,122,141],"and":[66,87],"exploiting":[67],"periodicity":[69],"properties":[70],"delay-Doppler":[73],"domain.":[74],"We":[75],"demonstrate":[76],"that":[77],"practical":[80],"channel":[81],"model,":[82],"which":[83],"introduces":[84],"fractional":[85],"delay":[86],"Doppler":[88],"shifts,":[89],"even":[90,137],"narrow":[92],"provides":[95],"bit":[97],"rate":[99],"(BER)":[100],"performance":[101],"within$":[102],"{\\mathrm":[103],"{0.17~":[104],"\\text":[105],"{dB}}}$compared":[106],"unconstrained":[109],"equalizer.":[112],"At":[113],"same":[115],"time,":[116],"LMMSE":[123],"equalizer":[125],"is":[126],"reduced":[127],"factor":[130],"10.":[132],"BER":[134],"gap":[135],"becomes":[136],"smaller":[138],"increasing":[140],"size,":[142],"allowing":[143],"complexity/performance":[146],"trade-off.":[147]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}