{"id":"https://openalex.org/W4403761200","doi":"https://doi.org/10.1049/2024/3256977","title":"A Low\u2010Complexity Expectation Propagation Detector for OTFS","display_name":"A Low\u2010Complexity Expectation Propagation Detector for OTFS","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4403761200","doi":"https://doi.org/10.1049/2024/3256977"},"language":"en","primary_location":{"id":"doi:10.1049/2024/3256977","is_oa":true,"landing_page_url":"https://doi.org/10.1049/2024/3256977","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/2024/3256977","source":{"id":"https://openalex.org/S30889260","display_name":"IET Signal Processing","issn_l":"1751-9675","issn":["1751-9675","1751-9683"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/2024/3256977","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114405305","display_name":"Xumin Pu","orcid":"https://orcid.org/0009-0006-0669-5271"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xumin Pu","raw_affiliation_strings":["School of Communication and Information Engineering ,  Chongqing University of Posts and Telecommunications ,  Chongqing ,  400065 ,  China ,  cqupt.edu.cn"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering ,  Chongqing University of Posts and Telecommunications ,  Chongqing ,  400065 ,  China ,  cqupt.edu.cn","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100885611","display_name":"Zhinan Sun","orcid":"https://orcid.org/0000-0002-5933-6743"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhinan Sun","raw_affiliation_strings":["School of Information Science and Technology ,  Southwest Jiaotong University ,  Chengdu ,  610031 ,  China ,  swjtu.edu.cn"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology ,  Southwest Jiaotong University ,  Chengdu ,  610031 ,  China ,  swjtu.edu.cn","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103896619","display_name":"W. B. Wen","orcid":"https://orcid.org/0000-0001-5165-4336"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wanli Wen","raw_affiliation_strings":["School of Microelectronics and Communication Engineering ,  Chongqing University ,  Chongqing ,  400044 ,  China ,  cqu.edu.cn"],"affiliations":[{"raw_affiliation_string":"School of Microelectronics and Communication Engineering ,  Chongqing University ,  Chongqing ,  400044 ,  China ,  cqu.edu.cn","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084338675","display_name":"Qianbin Chen","orcid":"https://orcid.org/0000-0001-6868-6860"},"institutions":[{"id":"https://openalex.org/I168337820","display_name":"Chongqing University of Science and Technology","ror":"https://ror.org/03n3v6d52","country_code":"CN","type":"education","lineage":["https://openalex.org/I168337820"]},{"id":"https://openalex.org/I50632499","display_name":"Chongqing University of Technology","ror":"https://ror.org/04vgbd477","country_code":"CN","type":"education","lineage":["https://openalex.org/I50632499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianbin Chen","raw_affiliation_strings":["Chongqing Key Laboratory of Mobile Communications Technology ,  Chongqing ,  400065 ,  China"],"affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Mobile Communications Technology ,  Chongqing ,  400065 ,  China","institution_ids":["https://openalex.org/I50632499","https://openalex.org/I168337820"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013079905","display_name":"Shi Jin","orcid":"https://orcid.org/0000-0003-0271-6021"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"Shi Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory ,  Southeast University ,  Nanjing ,  210000 ,  China ,  seu.edu.bd"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory ,  Southeast University ,  Nanjing ,  210000 ,  China ,  seu.edu.bd","institution_ids":["https://openalex.org/I4210090971"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5114405305"],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":{"value":2000,"currency":"EUR","value_usd":2200},"apc_paid":{"value":2000,"currency":"EUR","value_usd":2200},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16778306,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2024","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":1.0,"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":1.0,"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":0.9997000098228455,"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":0.9997000098228455,"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/detector","display_name":"Detector","score":0.6680834889411926},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5434598326683044},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.403641939163208},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40261366963386536},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3670921325683594},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3480868339538574},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3200390338897705},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19927874207496643}],"concepts":[{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6680834889411926},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5434598326683044},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.403641939163208},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40261366963386536},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3670921325683594},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3480868339538574},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3200390338897705},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19927874207496643}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1049/2024/3256977","is_oa":true,"landing_page_url":"https://doi.org/10.1049/2024/3256977","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/2024/3256977","source":{"id":"https://openalex.org/S30889260","display_name":"IET Signal Processing","issn_l":"1751-9675","issn":["1751-9675","1751-9683"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:9548efdeaaab466093f34ad952764d58","is_oa":true,"landing_page_url":"https://doaj.org/article/9548efdeaaab466093f34ad952764d58","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IET Signal Processing, Vol 2024 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1049/2024/3256977","is_oa":true,"landing_page_url":"https://doi.org/10.1049/2024/3256977","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/2024/3256977","source":{"id":"https://openalex.org/S30889260","display_name":"IET Signal Processing","issn_l":"1751-9675","issn":["1751-9675","1751-9683"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G157961762","display_name":null,"funder_award_id":"KJQN2021","funder_id":"https://openalex.org/F4320324805","funder_display_name":"Chongqing Municipal Education Commission"},{"id":"https://openalex.org/G2082826544","display_name":null,"funder_award_id":"Postdoctoral","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3504463006","display_name":null,"funder_award_id":"2019M651649","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G3823467562","display_name":null,"funder_award_id":"2018K041c","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4981430320","display_name":null,"funder_award_id":"61701062","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5760752404","display_name":null,"funder_award_id":"Projects","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7001516894","display_name":null,"funder_award_id":"2019M6","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8675729777","display_name":null,"funder_award_id":"KJQN202100649","funder_id":"https://openalex.org/F4320324805","funder_display_name":"Chongqing Municipal Education Commission"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320324805","display_name":"Chongqing Municipal Education Commission","ror":"https://ror.org/031nm5713"},{"id":"https://openalex.org/F4320335471","display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4403761200.pdf","grobid_xml":"https://content.openalex.org/works/W4403761200.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1992036418","https://openalex.org/W2132305759","https://openalex.org/W2137813581","https://openalex.org/W2293182310","https://openalex.org/W2612254130","https://openalex.org/W2899406779","https://openalex.org/W2948231597","https://openalex.org/W2951947870","https://openalex.org/W2962951066","https://openalex.org/W2978825329","https://openalex.org/W2990723501","https://openalex.org/W3043232321","https://openalex.org/W3099350037","https://openalex.org/W3103578910","https://openalex.org/W3112162188","https://openalex.org/W3128173373","https://openalex.org/W3132642262","https://openalex.org/W3154139020","https://openalex.org/W3165171381","https://openalex.org/W3179811880","https://openalex.org/W3189209457","https://openalex.org/W3192964979","https://openalex.org/W3193804826","https://openalex.org/W3194279113","https://openalex.org/W3200668305","https://openalex.org/W3200797369","https://openalex.org/W3203702019","https://openalex.org/W3211742396","https://openalex.org/W4206180546","https://openalex.org/W4285122876","https://openalex.org/W4293057612"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2366906938","https://openalex.org/W2349391998","https://openalex.org/W4205655149","https://openalex.org/W2000775715","https://openalex.org/W2053286651","https://openalex.org/W2074467390","https://openalex.org/W2033914206","https://openalex.org/W2042327336"],"abstract_inverted_index":{"In":[0,22,97],"this":[1],"paper,":[2],"we":[3],"propose":[4,66],"a":[5,29,67,121],"low\u2010complexity":[6,68],"expectation":[7],"propagation":[8],"(EP)":[9],"detector":[10,70],"for":[11,32],"orthogonal":[12],"time":[13],"frequency":[14],"space":[15],"(OTFS)":[16],"system":[17],"with":[18],"practical":[19],"rectangular":[20],"waveforms.":[21],"the":[23,33,40,44,56,62,73,76,81,87,103,109],"high\u2010mobility":[24],"scenario,":[25],"OTFS":[26],"is":[27],"becoming":[28],"potential":[30],"scheme":[31],"sixth\u2010generation":[34],"(6G)":[35],"wireless":[36],"communication":[37],"system.":[38],"However,":[39],"large":[41],"size":[42],"of":[43,80,111],"effective":[45,82],"delay\u2010Doppler":[46],"(DD)":[47],"domain":[48],"channel":[49,83],"matrix":[50,63,85],"brings":[51],"unbearable":[52],"computational":[53],"complexity":[54,113],"to":[55],"signal":[57],"detection":[58],"algorithm":[59,92,105],"based":[60,71],"on":[61,72],"inversion.":[64],"We":[65],"EP":[69],"sparsity":[74],"and":[75,125],"block":[77],"circulant":[78],"structure":[79],"covariance":[84],"in":[86],"DD":[88],"domain.":[89],"The":[90],"proposed":[91,104],"only":[93,107],"requires":[94],"log\u2010linear":[95],"complexity.":[96,126],"addition,":[98],"simulation":[99],"results":[100],"show":[101],"that":[102],"not":[106],"has":[108,116],"advantage":[110],"low":[112],"but":[114],"also":[115],"good":[117],"performance,":[118],"which":[119],"achieves":[120],"tradeoff":[122],"between":[123],"performance":[124]},"counts_by_year":[],"updated_date":"2026-03-22T08:09:32.410652","created_date":"2025-10-10T00:00:00"}
