{"id":"https://openalex.org/W4385819892","doi":"https://doi.org/10.1109/twc.2023.3303024","title":"Nonparametric Regression for MU-MIMO Channel Prediction: From KNN to Local Linear Regression","display_name":"Nonparametric Regression for MU-MIMO Channel Prediction: From KNN to Local Linear Regression","publication_year":2023,"publication_date":"2023-08-14","ids":{"openalex":"https://openalex.org/W4385819892","doi":"https://doi.org/10.1109/twc.2023.3303024"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2023.3303024","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3303024","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","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/A5102929598","display_name":"Zheng Xiao","orcid":"https://orcid.org/0000-0003-1640-2146"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Xiao","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0003-1640-2146","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102975474","display_name":"Jun Sun","orcid":"https://orcid.org/0000-0002-5360-1024"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Sun","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-5360-1024","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100751311","display_name":"Zhaoyang Zhang","orcid":"https://orcid.org/0000-0003-2346-6228"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaoyang Zhang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2346-6228","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072070654","display_name":"Yingzhuang Liu","orcid":"https://orcid.org/0000-0002-9336-1643"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingzhuang Liu","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1614,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.78169259,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"23","issue":"4","first_page":"2784","last_page":"2795"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9977999925613403,"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":0.9948999881744385,"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/linear-regression","display_name":"Linear regression","score":0.5610717535018921},{"id":"https://openalex.org/keywords/nonparametric-statistics","display_name":"Nonparametric statistics","score":0.5455763339996338},{"id":"https://openalex.org/keywords/local-regression","display_name":"Local regression","score":0.5282943248748779},{"id":"https://openalex.org/keywords/regression","display_name":"Regression","score":0.512677788734436},{"id":"https://openalex.org/keywords/nonparametric-regression","display_name":"Nonparametric regression","score":0.5113410353660583},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.48689427971839905},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4717586636543274},{"id":"https://openalex.org/keywords/regression-analysis","display_name":"Regression analysis","score":0.47055888175964355},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45397496223449707},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44903564453125},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3926183581352234},{"id":"https://openalex.org/keywords/polynomial-regression","display_name":"Polynomial regression","score":0.2784974277019501},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19810661673545837}],"concepts":[{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.5610717535018921},{"id":"https://openalex.org/C102366305","wikidata":"https://www.wikidata.org/wiki/Q1097688","display_name":"Nonparametric statistics","level":2,"score":0.5455763339996338},{"id":"https://openalex.org/C60316415","wikidata":"https://www.wikidata.org/wiki/Q6664520","display_name":"Local regression","level":4,"score":0.5282943248748779},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.512677788734436},{"id":"https://openalex.org/C74127309","wikidata":"https://www.wikidata.org/wiki/Q3455886","display_name":"Nonparametric regression","level":3,"score":0.5113410353660583},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.48689427971839905},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4717586636543274},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.47055888175964355},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45397496223449707},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44903564453125},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3926183581352234},{"id":"https://openalex.org/C120068334","wikidata":"https://www.wikidata.org/wiki/Q45343","display_name":"Polynomial regression","level":3,"score":0.2784974277019501},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19810661673545837}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2023.3303024","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3303024","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2406538612","display_name":null,"funder_award_id":"2019kfyXJJS016","funder_id":"https://openalex.org/F4320321883","funder_display_name":"Huazhong University of Science and Technology"},{"id":"https://openalex.org/G2656589067","display_name":"\u5f02\u6784\u65e0\u7ebf\u5bc6\u96c6\u7f51\u7edc\u9ad8\u7ef4\u8d44\u6e90\u667a\u80fd\u90e8\u7f72\u7814\u7a76","funder_award_id":"62071192","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7656550580","display_name":null,"funder_award_id":"2020YFB1806904","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321883","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1484867920","https://openalex.org/W1516579422","https://openalex.org/W1524634616","https://openalex.org/W1996908140","https://openalex.org/W1997834106","https://openalex.org/W1999162150","https://openalex.org/W2095519456","https://openalex.org/W2095914596","https://openalex.org/W2096424910","https://openalex.org/W2100263561","https://openalex.org/W2112116882","https://openalex.org/W2114043910","https://openalex.org/W2116141601","https://openalex.org/W2116834383","https://openalex.org/W2121858988","https://openalex.org/W2133214726","https://openalex.org/W2152660369","https://openalex.org/W2163132330","https://openalex.org/W3000769608","https://openalex.org/W3040454237","https://openalex.org/W3089389858","https://openalex.org/W3162996485","https://openalex.org/W4213251304","https://openalex.org/W4285817698","https://openalex.org/W4308169431","https://openalex.org/W4368232630"],"related_works":["https://openalex.org/W1541412963","https://openalex.org/W2184572292","https://openalex.org/W1509119367","https://openalex.org/W4321367829","https://openalex.org/W4309301076","https://openalex.org/W2041704562","https://openalex.org/W2288767749","https://openalex.org/W4313160815","https://openalex.org/W2181913714","https://openalex.org/W2949120947"],"abstract_inverted_index":{"Channel":[0],"aging":[1],"poses":[2],"a":[3,24,175],"huge":[4],"challenge":[5],"for":[6,74,94,110,159,195],"the":[7,16,35,57,65,79,85,133,140,147,160,164,169,191],"MU-MIMO":[8],"(Multi-user":[9],"Multiple-Input-":[10],"Multiple":[11],"Output)":[12],"communications.":[13],"To":[14,63],"alleviate":[15],"problem,":[17,66],"channel":[18,28,99,112,170,196],"prediction":[19,29],"is":[20,50,153],"widely":[21],"regarded":[22],"as":[23],"promising":[25],"mean.":[26],"Existing":[27],"methods":[30,73,77,109,187,194],"usually":[31],"rely":[32],"heavily":[33],"on":[34,84],"assumption":[36,87],"of":[37,60,81,162,168],"parametric":[38,193],"models.":[39],"Severe":[40],"performance":[41],"degradation":[42],"might":[43],"occur":[44],"when":[45],"modeling":[46],"error":[47],"exists,":[48],"which":[49],"unfortunately":[51],"common":[52],"in":[53,142,155,171],"practice":[54],"due":[55],"to":[56,69,131,138],"complicated":[58],"nature":[59],"wireless":[61],"channels.":[62],"address":[64],"we":[67,104,129,145,173],"propose":[68,130],"use":[70],"nonparametric":[71,107,185],"regression":[72,108,118,125,152,186],"prediction.":[75,197],"Nonparametric":[76],"enjoy":[78],"advantage":[80],"not":[82],"relying":[83],"model":[86],"at":[88],"all,":[89],"enabling":[90],"it":[91],"very":[92],"suit":[93],"making":[95],"inference":[96],"from":[97],"complex":[98],"data.":[100],"In":[101,127],"this":[102],"paper,":[103],"present":[105],"two":[106],"MU-MIMO\u2019s":[111],"prediction,":[113],"i.e.,":[114],"k-nearest":[115],"neighbors":[116],"(kNN)":[117],"and":[119],"its":[120],"improved":[121],"version,":[122],"local":[123,150],"polynomial":[124],"(LPR).":[126],"addition,":[128],"employ":[132],"Bayesian":[134],"Information":[135],"Criteria":[136],"(BIC)":[137],"select":[139],"parameters":[141],"LPR,":[143],"whereby":[144],"get":[146],"conclusion":[148],"that":[149,182],"linear":[151],"recommended":[154],"practical":[156],"applications.":[157],"Furthermore,":[158],"case":[161],"predicting":[163],"right":[165],"singular":[166],"matrix":[167],"specific,":[172],"provide":[174],"useful":[176],"preprocessing":[177],"procedure.":[178],"Simulation":[179],"results":[180],"illustrate":[181],"our":[183],"proposed":[184],"can":[188],"outperform":[189],"significantly":[190],"conventional":[192]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}