{"id":"https://openalex.org/W2981935522","doi":"https://doi.org/10.1109/tvt.2019.2949605","title":"Pilot Decontamination Based on Superimposed Pilots Assisted by Time-Multiplexed Pilots in Massive MIMO Networks","display_name":"Pilot Decontamination Based on Superimposed Pilots Assisted by Time-Multiplexed Pilots in Massive MIMO Networks","publication_year":2019,"publication_date":"2019-10-25","ids":{"openalex":"https://openalex.org/W2981935522","doi":"https://doi.org/10.1109/tvt.2019.2949605","mag":"2981935522"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2019.2949605","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2949605","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5064085209","display_name":"Luis A. Lago","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Luis A. Lago","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5429-2438","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100732087","display_name":"Yan Zhang","orcid":"https://orcid.org/0000-0002-2168-9674"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Zhang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2168-9674","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001301001","display_name":"Noman Akbar","orcid":"https://orcid.org/0000-0002-6434-0907"},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Noman Akbar","raw_affiliation_strings":["Research School of Electrical, Energy and Materials Engineering, Australian National University, Canberra, Australia"],"raw_orcid":"https://orcid.org/0000-0002-6434-0907","affiliations":[{"raw_affiliation_string":"Research School of Electrical, Energy and Materials Engineering, Australian National University, Canberra, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005456828","display_name":"Zesong Fei","orcid":"https://orcid.org/0000-0002-7576-625X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zesong Fei","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-7576-625X","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100680993","display_name":"Nan Yang","orcid":"https://orcid.org/0000-0002-9373-5289"},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Nan Yang","raw_affiliation_strings":["Research School of Electrical, Energy and Materials Engineering, Australian National University, Canberra, Australia"],"raw_orcid":"https://orcid.org/0000-0002-9373-5289","affiliations":[{"raw_affiliation_string":"Research School of Electrical, Energy and Materials Engineering, Australian National University, Canberra, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100334004","display_name":"Zunwen He","orcid":"https://orcid.org/0000-0002-5584-4855"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zunwen He","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5584-4855","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2843,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.80919999,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"69","issue":"1","first_page":"405","last_page":"417"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10964","display_name":"Wireless Communication Security Techniques","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7754838466644287},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7676988840103149},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6450033187866211},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6160023212432861},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5806044936180115},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.5705951452255249},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5577709674835205},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5541938543319702},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4683505892753601},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4593193531036377},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.45607003569602966},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.414040207862854},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.411257266998291},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3876194953918457},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36688897013664246},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3662439286708832},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.30363625288009644},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18904593586921692},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.10295411944389343}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7754838466644287},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7676988840103149},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6450033187866211},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6160023212432861},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5806044936180115},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.5705951452255249},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5577709674835205},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5541938543319702},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4683505892753601},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4593193531036377},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.45607003569602966},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.414040207862854},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.411257266998291},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3876194953918457},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36688897013664246},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3662439286708832},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.30363625288009644},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18904593586921692},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.10295411944389343},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvt.2019.2949605","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2949605","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/298220","is_oa":false,"landing_page_url":"http://hdl.handle.net/1885/298220","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1007040778","display_name":"\u57fa\u4e8e\u7f16\u7801\u8c03\u5236\u7684\u65e0\u4eba\u673a\u5b89\u5168\u901a\u4fe1\u6280\u672f\u7814\u7a76","funder_award_id":"61871032","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4522923412","display_name":null,"funder_award_id":"61871035","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G815108017","display_name":null,"funder_award_id":"L182038","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1518945650","https://openalex.org/W1965392255","https://openalex.org/W2040209771","https://openalex.org/W2057922050","https://openalex.org/W2121315337","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2152999056","https://openalex.org/W2237176355","https://openalex.org/W2238937638","https://openalex.org/W2240613635","https://openalex.org/W2259323981","https://openalex.org/W2293606211","https://openalex.org/W2320098994","https://openalex.org/W2408600879","https://openalex.org/W2493390539","https://openalex.org/W2506525773","https://openalex.org/W2561146563","https://openalex.org/W2593779246","https://openalex.org/W2762668514","https://openalex.org/W2765414286","https://openalex.org/W2770606349","https://openalex.org/W2796217188","https://openalex.org/W2896015732","https://openalex.org/W2939810790","https://openalex.org/W2962790780","https://openalex.org/W2963048054","https://openalex.org/W2963151934","https://openalex.org/W2963508491","https://openalex.org/W2963726408","https://openalex.org/W2964216120","https://openalex.org/W3098966262"],"related_works":["https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2546639359","https://openalex.org/W2105999282","https://openalex.org/W1922070205","https://openalex.org/W2149569983","https://openalex.org/W4313028534","https://openalex.org/W2601693592","https://openalex.org/W1989270073"],"abstract_inverted_index":{"Pilot":[0],"contamination":[1],"has":[2],"been":[3],"recognized":[4],"as":[5],"one":[6],"of":[7,22,97],"the":[8,20,47,75,83,95,123,144],"main":[9],"limiting":[10],"factors":[11],"in":[12,41,67,112,141,147,158],"massive":[13,43,159],"multiple-input":[14],"multiple-output":[15],"(MIMO)":[16],"since":[17],"it":[18],"damages":[19],"acquisition":[21],"accurate":[23],"channel":[24,85,115],"state":[25],"information":[26],"(CSI)":[27],"at":[28],"base":[29],"stations.":[30],"In":[31,54],"this":[32],"work,":[33],"we":[34,120],"propose":[35],"a":[36,42,109],"novel":[37],"pilot":[38],"decontamination":[39],"approach":[40],"MIMO":[44,160],"network":[45],"where":[46],"time":[48],"division":[49],"duplex":[50],"operation":[51],"is":[52,108,132],"assumed.":[53],"our":[55,136],"proposed":[56,137],"approach,":[57],"user":[58],"equipments":[59],"are":[60,91],"allowed":[61],"to":[62,73,78,93,152],"use":[63],"superimposed":[64],"(SP)":[65],"pilots":[66,72,90,102,129,149],"combination":[68,142],"with":[69,104,130,143],"time-multiplexed":[70],"(TM)":[71],"estimate":[74],"CSI":[76],"prior":[77],"downlink":[79],"data":[80,131],"transmission.":[81],"Specifically,":[82],"contaminated":[84],"estimates":[86],"obtained":[87],"by":[88,100,135],"TM":[89,148],"used":[92],"reduce":[94],"amount":[96],"interference":[98,124],"caused":[99],"transmitting":[101,128],"together":[103],"uplink":[105],"data,":[106],"which":[107],"typical":[110],"problem":[111],"SP":[113],"pilots-based":[114],"estimation.":[116],"Through":[117],"numerical":[118],"results,":[119],"show":[121],"that":[122,125],"emerges":[126],"from":[127],"substantially":[133],"reduced":[134,145],"approach.":[138],"This":[139],"reduction,":[140],"overhead":[146],"transmission,":[150],"leads":[151],"an":[153],"improved":[154],"spectral":[155],"efficiency":[156],"achieved":[157],"networks.":[161]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}