{"id":"https://openalex.org/W4210417144","doi":"https://doi.org/10.1109/globecom46510.2021.9685527","title":"Joint Channel Estimation and Equalization for OTFS Based on EP","display_name":"Joint Channel Estimation and Equalization for OTFS Based on EP","publication_year":2021,"publication_date":"2021-12-01","ids":{"openalex":"https://openalex.org/W4210417144","doi":"https://doi.org/10.1109/globecom46510.2021.9685527"},"language":"en","primary_location":{"id":"doi:10.1109/globecom46510.2021.9685527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom46510.2021.9685527","pdf_url":null,"source":{"id":"https://openalex.org/S4363607714","display_name":"2021 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-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/A5064078057","display_name":"Fei Long","orcid":"https://orcid.org/0000-0003-0700-6766"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fei Long","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008455605","display_name":"Kai Niu","orcid":"https://orcid.org/0000-0002-8076-1867"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Niu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075023488","display_name":"Jiaru Lin","orcid":"https://orcid.org/0000-0001-6593-4419"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaru Lin","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,Key Laboratory of Universal Wireless Communications, Ministry of Education,Beijing,China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5064078057"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":1.731,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.85041905,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"01","last_page":"06"},"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9869999885559082,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9807999730110168,"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/estimator","display_name":"Estimator","score":0.6621752977371216},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6254557371139526},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5366268754005432},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5140062570571899},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.49787259101867676},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.49446964263916016},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.46401891112327576},{"id":"https://openalex.org/keywords/moment","display_name":"Moment (physics)","score":0.43095940351486206},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4176286458969116},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40345966815948486},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.162875235080719},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.16074806451797485},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12639155983924866},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12373772263526917}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6621752977371216},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6254557371139526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5366268754005432},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5140062570571899},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.49787259101867676},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.49446964263916016},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.46401891112327576},{"id":"https://openalex.org/C179254644","wikidata":"https://www.wikidata.org/wiki/Q13222844","display_name":"Moment (physics)","level":2,"score":0.43095940351486206},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4176286458969116},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40345966815948486},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.162875235080719},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.16074806451797485},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12639155983924866},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12373772263526917},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom46510.2021.9685527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom46510.2021.9685527","pdf_url":null,"source":{"id":"https://openalex.org/S4363607714","display_name":"2021 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1107850116","display_name":null,"funder_award_id":"92067202,62071058","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1979300259","https://openalex.org/W2109155033","https://openalex.org/W2612254130","https://openalex.org/W2795734813","https://openalex.org/W2888002205","https://openalex.org/W2899406779","https://openalex.org/W2962730745","https://openalex.org/W2962951066","https://openalex.org/W2978825329","https://openalex.org/W2981643616","https://openalex.org/W3015330117","https://openalex.org/W3099350037","https://openalex.org/W3111129311","https://openalex.org/W3112162188","https://openalex.org/W3113390037","https://openalex.org/W3189209457","https://openalex.org/W6767010933","https://openalex.org/W6887471118"],"related_works":["https://openalex.org/W2383340439","https://openalex.org/W1547235302","https://openalex.org/W1989709831","https://openalex.org/W2907934943","https://openalex.org/W2372698348","https://openalex.org/W2187123470","https://openalex.org/W2146786343","https://openalex.org/W2379507827","https://openalex.org/W2372328863","https://openalex.org/W2093482495"],"abstract_inverted_index":{"Orthogonal":[0],"time-frequency":[1,14],"space":[2],"signaling":[3],"(OTFS)":[4],"is":[5,114],"a":[6,20,29,62,89],"novel":[7],"modulation":[8],"scheme":[9],"that":[10],"can":[11],"exploit":[12],"full":[13],"(TF)":[15],"diversity":[16],"when":[17],"coupled":[18],"with":[19],"proper":[21],"receiver.":[22],"Toward":[23],"this":[24,26],"end,":[25],"paper":[27],"presents":[28],"joint":[30,85],"channel":[31,59,111],"estimation":[32],"and":[33,60,93],"equalization":[34],"approach":[35],"for":[36,126],"OTFS":[37],"based":[38],"on":[39,72],"the":[40,56,73,84,102,106,120,131,139,146],"expectation":[41],"propagation":[42],"(JCEE-EP).":[43],"First,":[44],"We":[45],"apply":[46],"discrete":[47],"prolate":[48],"spheroidal":[49],"basis":[50],"expansion":[51],"model":[52],"(DPS-BEM)":[53],"to":[54,77,101,119],"describe":[55],"time-varying":[57],"(TV)":[58],"obtain":[61],"Gaussian":[63,98],"prior":[64],"of":[65,91,141],"BEM":[66],"coefficients":[67],"via":[68],"LS":[69],"estimator.":[70],"Based":[71],"delay-Doppler":[74],"(DD)":[75],"domain":[76,79],"time":[78],"transformation,":[80],"we":[81,117],"then":[82],"decompose":[83],"posterior":[86],"probability":[87],"into":[88],"couple":[90],"factors":[92],"approximate":[94,128],"each":[95],"one":[96],"by":[97],"distributions":[99],"according":[100],"EP":[103,123],"principle.":[104],"As":[105],"moment-matching":[107],"(MM)":[108],"step":[109],"in":[110],"factor":[112],"update":[113],"computationally":[115],"intractable,":[116],"resort":[118],"first-order":[121],"conditional":[122],"(CEP)":[124],"method":[125],"an":[127],"solution.":[129],"Finally,":[130],"bit":[132],"error":[133],"rate":[134],"(BER)":[135],"simulation":[136],"results":[137],"demonstrate":[138],"superiority":[140],"our":[142],"proposed":[143],"JCEE-EP":[144],"over":[145],"existing":[147],"approaches.":[148]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
