{"id":"https://openalex.org/W4406754020","doi":"https://doi.org/10.1109/lwc.2025.3528448","title":"A Low Complexity Sequential Message Passing Detection Algorithm for RCP-OTFS Systems","display_name":"A Low Complexity Sequential Message Passing Detection Algorithm for RCP-OTFS Systems","publication_year":2025,"publication_date":"2025-01-23","ids":{"openalex":"https://openalex.org/W4406754020","doi":"https://doi.org/10.1109/lwc.2025.3528448"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3528448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3528448","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5107948669","display_name":"R. Xu","orcid":"https://orcid.org/0009-0001-3900-9438"},"institutions":[{"id":"https://openalex.org/I143593769","display_name":"East China University of Science and Technology","ror":"https://ror.org/01vyrm377","country_code":"CN","type":"education","lineage":["https://openalex.org/I143593769"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Renhe Xu","raw_affiliation_strings":["School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China","institution_ids":["https://openalex.org/I143593769"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103077928","display_name":"Yuanyi Liang","orcid":"https://orcid.org/0009-0000-4599-4043"},"institutions":[{"id":"https://openalex.org/I143593769","display_name":"East China University of Science and Technology","ror":"https://ror.org/01vyrm377","country_code":"CN","type":"education","lineage":["https://openalex.org/I143593769"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanyi Liang","raw_affiliation_strings":["School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China","institution_ids":["https://openalex.org/I143593769"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011123681","display_name":"Q. Huai","orcid":"https://orcid.org/0009-0008-1078-8635"},"institutions":[{"id":"https://openalex.org/I143593769","display_name":"East China University of Science and Technology","ror":"https://ror.org/01vyrm377","country_code":"CN","type":"education","lineage":["https://openalex.org/I143593769"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiwei Huai","raw_affiliation_strings":["School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China","institution_ids":["https://openalex.org/I143593769"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103274976","display_name":"Weina Yuan","orcid":"https://orcid.org/0000-0003-0214-6882"},"institutions":[{"id":"https://openalex.org/I143593769","display_name":"East China University of Science and Technology","ror":"https://ror.org/01vyrm377","country_code":"CN","type":"education","lineage":["https://openalex.org/I143593769"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weina Yuan","raw_affiliation_strings":["School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, East China University of Science and Technology, Shanghai, China","institution_ids":["https://openalex.org/I143593769"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5107948669"],"corresponding_institution_ids":["https://openalex.org/I143593769"],"apc_list":null,"apc_paid":null,"fwci":2.3458,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.86602658,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"14","issue":"4","first_page":"964","last_page":"968"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9937999844551086,"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":0.9937999844551086,"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":0.9401000142097473,"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/computer-science","display_name":"Computer science","score":0.7071588635444641},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.649273157119751},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5203030705451965},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.46741724014282227},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.17807480692863464}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7071588635444641},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.649273157119751},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5203030705451965},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.46741724014282227},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.17807480692863464}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2025.3528448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3528448","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2166670884","https://openalex.org/W2612254130","https://openalex.org/W2888002205","https://openalex.org/W2899406779","https://openalex.org/W2951947870","https://openalex.org/W2962951066","https://openalex.org/W3099350037","https://openalex.org/W3200668305","https://openalex.org/W4206617143","https://openalex.org/W4225751444","https://openalex.org/W4285122876","https://openalex.org/W4392173786"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2368564840","https://openalex.org/W2489631182","https://openalex.org/W2189341500","https://openalex.org/W2792172447","https://openalex.org/W4224883704"],"abstract_inverted_index":{"Orthogonal":[0],"Time":[1],"Frequency":[2],"Space":[3],"(OTFS)":[4],"modulation":[5,20],"exhibits":[6],"excellent":[7],"bit":[8],"error":[9],"rate":[10],"(BER)":[11],"performance":[12,158],"in":[13,27,53],"high-speed":[14],"mobile":[15],"scenarios.":[16],"However,":[17],"the":[18,47,59,68,102,108,116,124,138,151,160],"two-dimensional":[19],"of":[21],"OTFS":[22],"causes":[23],"inter-Doppler":[24],"interference":[25],"(IDI)":[26],"fractional":[28],"Doppler":[29],"channel,":[30],"which":[31],"reduces":[32],"channel":[33,70],"sparsity":[34],"and":[35,65,100,106,145,154],"brings":[36],"higher":[37],"complexity":[38,84,144],"to":[39,92,121,130,150,159],"signal":[40,94,105],"detection.":[41,95],"In":[42],"this":[43,80],"letter,":[44],"we":[45],"derive":[46],"delay-Doppler":[48],"(DD)":[49],"domain":[50],"input-output":[51],"relationship":[52],"block":[54,69,103],"vector":[55],"form":[56],"based":[57],"on":[58,79],"Reduce":[60],"Cyclic":[61],"Prefix-OTFS":[62],"(RCP-OTFS)":[63],"systems,":[64],"prove":[66],"that":[67,137],"matrix":[71],"has":[72,141,155],"column":[73],"orthogonality":[74],"under":[75],"rectangular":[76],"waveform.":[77],"Based":[78],"property,":[81],"a":[82],"low":[83],"sequential":[85,117],"message":[86,113,161],"passing":[87,162],"(SMP)":[88],"algorithm":[89,98,140],"is":[90,119],"proposed":[91,97,139],"achieve":[93],"The":[96],"weights":[99],"combines":[101],"received":[104],"uses":[107],"new":[109],"observation":[110,131],"nodes":[111,129],"for":[112],"transmission.":[114],"Furthermore,":[115],"updates":[118],"introduced":[120],"sequentially":[122],"update":[123],"information":[125],"passed":[126],"from":[127],"variable":[128],"nodes.":[132],"Our":[133],"simulation":[134],"results":[135],"show":[136],"lower":[142],"computational":[143],"faster":[146],"convergence":[147],"speed":[148],"compared":[149],"baseline":[152],"algorithms,":[153],"similar":[156],"BER":[157],"(MP)":[163],"algorithm.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}