{"id":"https://openalex.org/W2757151742","doi":"https://doi.org/10.1109/twc.2017.2754490","title":"Aligning Power in Multiple Domains for Pilot Decontamination in Massive MIMO","display_name":"Aligning Power in Multiple Domains for Pilot Decontamination in Massive MIMO","publication_year":2017,"publication_date":"2017-09-22","ids":{"openalex":"https://openalex.org/W2757151742","doi":"https://doi.org/10.1109/twc.2017.2754490","mag":"2757151742"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2017.2754490","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2017.2754490","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/A5038510002","display_name":"Xiliang Luo","orcid":"https://orcid.org/0000-0003-3816-6789"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiliang Luo","raw_affiliation_strings":["School of Information Science and Technology Shanghaitech University  Shanghai China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology Shanghaitech University  Shanghai China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100419396","display_name":"Xiaoyu Zhang","orcid":"https://orcid.org/0000-0002-0793-889X"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyu Zhang","raw_affiliation_strings":["School of Information Science and Technology Shanghaitech University  Shanghai China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology Shanghaitech University  Shanghai China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100618603","display_name":"Penghao Cai","orcid":"https://orcid.org/0000-0001-7440-708X"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Penghao Cai","raw_affiliation_strings":["School of Information Science and Technology Shanghaitech University  Shanghai China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology Shanghaitech University  Shanghai China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018784820","display_name":"Hua Qian","orcid":"https://orcid.org/0000-0001-8290-879X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Qian","raw_affiliation_strings":["Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5038510002"],"corresponding_institution_ids":["https://openalex.org/I30809798"],"apc_list":null,"apc_paid":null,"fwci":1.4568,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.83540057,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"16","issue":"12","first_page":"7919","last_page":"7935"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9987999796867371,"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"}},{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9983000159263611,"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/mimo","display_name":"MIMO","score":0.8159825801849365},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6518701314926147},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6023937463760376},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5785188674926758},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5778988003730774},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5496302247047424},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.48205551505088806},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.45664188265800476},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.45381540060043335},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4516408443450928},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4355791211128235},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3416275382041931},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3319304883480072},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3319188356399536},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.243563711643219},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13830110430717468}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8159825801849365},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6518701314926147},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6023937463760376},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5785188674926758},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5778988003730774},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5496302247047424},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.48205551505088806},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.45664188265800476},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.45381540060043335},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4516408443450928},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4355791211128235},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3416275382041931},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3319304883480072},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3319188356399536},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.243563711643219},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13830110430717468}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2017.2754490","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2017.2754490","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/G3317518506","display_name":null,"funder_award_id":"17511104902","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G337987975","display_name":null,"funder_award_id":"61461136004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7013391769","display_name":null,"funder_award_id":"F-0203-14-008","funder_id":"https://openalex.org/F4320327675","funder_display_name":"ShanghaiTech University"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"},{"id":"https://openalex.org/F4320327675","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1490674876","https://openalex.org/W1596939795","https://openalex.org/W1997834106","https://openalex.org/W2006579621","https://openalex.org/W2015301486","https://openalex.org/W2023535408","https://openalex.org/W2064511203","https://openalex.org/W2072079297","https://openalex.org/W2111113050","https://openalex.org/W2132105090","https://openalex.org/W2134400130","https://openalex.org/W2141682101","https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2157293015","https://openalex.org/W2161887073","https://openalex.org/W2237176355","https://openalex.org/W2240613635","https://openalex.org/W2263894897","https://openalex.org/W2320098994","https://openalex.org/W2505101293","https://openalex.org/W2507150745","https://openalex.org/W2611021949","https://openalex.org/W2798333393","https://openalex.org/W2963700857","https://openalex.org/W3099114250","https://openalex.org/W4205533812","https://openalex.org/W4239066252","https://openalex.org/W4293263215"],"related_works":["https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2105999282","https://openalex.org/W1922070205","https://openalex.org/W2136902318","https://openalex.org/W2287071596","https://openalex.org/W2149569983","https://openalex.org/W2601693592","https://openalex.org/W2169192185"],"abstract_inverted_index":{"Pilot":[0],"contamination":[1,81,134,176],"in":[2,18,87,152,215],"the":[3,9,14,27,35,44,66,78,84,91,103,111,132,137,145,153,159,164,170,174,185,188,197,207,212],"uplink":[4],"(UL)":[5],"can":[6,129,177,204],"severely":[7],"hurt":[8],"channel":[10,85],"acquisition":[11],"performance":[12],"at":[13],"base":[15],"station":[16],"(BS)":[17],"a":[19,55],"massive":[20,57,156,216],"multiple-input":[21],"multiple-output":[22],"(MIMO)":[23],"system.":[24],"To":[25],"mitigate":[26,77,131],"interference,":[28],"it":[29],"is":[30],"critical":[31],"to":[32,38,46,68,76,101],"explore":[33],"all":[34],"allowed":[36],"avenues":[37],"provide":[39],"more":[40],"orthogonal":[41,59],"resources":[42],"for":[43,211],"users":[45,108],"transmit":[47],"non-interfering":[48],"UL":[49,79,146,165,213],"pilots.":[50],"In":[51],"this":[52],"paper,":[53],"with":[54,149],"realistic":[56],"MIMO":[58],"frequency-division":[60],"multiplexing":[61],"(OFDM)":[62],"system":[63],"model,":[64],"allowing":[65],"channels":[67,147],"be":[69,178],"both":[70],"frequency-selective":[71],"and":[72,94,187],"time-selective,":[73],"we":[74,98,123,172],"propose":[75],"pilot":[80,133,175],"through":[82],"aligning":[83,136,184],"power":[86,139,190],"multiple":[88],"domains,":[89],"i.e.,":[90],"time,":[92],"angular,":[93],"Doppler":[95,138],"domains.":[96],"First,":[97],"show":[99,173],"how":[100],"align":[102],"power-delay":[104],"profiles":[105],"of":[106,155,161,163],"different":[107],"so":[109],"that":[110],"pilots":[112,128,214],"sent":[113],"within":[114],"one":[115],"common":[116],"reference":[117],"OFDM":[118],"symbol":[119],"are":[120,167],"orthogonal.":[121],"Second,":[122],"demonstrate":[124],"our":[125],"proposed":[126,198],"time-varying":[127],"asymptotically":[130],"by":[135,169,182],"spectra":[140],"(DPSs)":[141],"judiciously":[142],"even":[143],"when":[144],"vary":[148],"time.":[150],"Furthermore,":[151],"case":[154],"MIMO,":[157],"as":[158,206],"angles":[160],"arrival":[162],"paths":[166],"acquired":[168],"BS,":[171],"reduced":[179],"or":[180],"eliminated":[181],"jointly":[183],"DPSs":[186],"angular":[189],"spectra.":[191],"Extensive":[192],"computer":[193],"simulations":[194],"convince":[195],"us":[196],"Power":[200],"Aligning":[201],"principle":[203],"serve":[205],"baseline":[208],"design":[209],"philosophy":[210],"MIMO.":[217]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}