{"id":"https://openalex.org/W2973078122","doi":"https://doi.org/10.1109/access.2019.2940458","title":"Multiuser Massive MIMO Systems With Time-Offset Pilots and Successive Interference Cancellation","display_name":"Multiuser Massive MIMO Systems With Time-Offset Pilots and Successive Interference Cancellation","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2973078122","doi":"https://doi.org/10.1109/access.2019.2940458","mag":"2973078122"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2940458","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2940458","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08831383.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08831383.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038218068","display_name":"The Khai Nguyen","orcid":"https://orcid.org/0000-0003-0370-8648"},"institutions":[{"id":"https://openalex.org/I32625721","display_name":"University of Saskatchewan","ror":"https://ror.org/010x8gc63","country_code":"CA","type":"education","lineage":["https://openalex.org/I32625721"]},{"id":"https://openalex.org/I94518387","display_name":"Hanoi University of Science and Technology","ror":"https://ror.org/04nyv3z04","country_code":"VN","type":"education","lineage":["https://openalex.org/I94518387"]}],"countries":["CA","VN"],"is_corresponding":false,"raw_author_name":"The Khai Nguyen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada","School of Electronics and Telecommunications, Hanoi University of Science and Technology (HUST), Hanoi, Vietnam"],"raw_orcid":"https://orcid.org/0000-0003-0370-8648","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada","institution_ids":["https://openalex.org/I32625721"]},{"raw_affiliation_string":"School of Electronics and Telecommunications, Hanoi University of Science and Technology (HUST), Hanoi, Vietnam","institution_ids":["https://openalex.org/I94518387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100635655","display_name":"Ha H. Nguyen","orcid":"https://orcid.org/0000-0001-6481-0422"},"institutions":[{"id":"https://openalex.org/I32625721","display_name":"University of Saskatchewan","ror":"https://ror.org/010x8gc63","country_code":"CA","type":"education","lineage":["https://openalex.org/I32625721"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ha H. Nguyen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada","institution_ids":["https://openalex.org/I32625721"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050879879","display_name":"Ti\u1ebfn Hoa Nguy\u1ec5n","orcid":"https://orcid.org/0000-0003-4743-5012"},"institutions":[{"id":"https://openalex.org/I32625721","display_name":"University of Saskatchewan","ror":"https://ror.org/010x8gc63","country_code":"CA","type":"education","lineage":["https://openalex.org/I32625721"]},{"id":"https://openalex.org/I94518387","display_name":"Hanoi University of Science and Technology","ror":"https://ror.org/04nyv3z04","country_code":"VN","type":"education","lineage":["https://openalex.org/I94518387"]}],"countries":["CA","VN"],"is_corresponding":false,"raw_author_name":"Tien Hoa Nguyen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada","School of Electronics and Telecommunications, Hanoi University of Science and Technology (HUST), Hanoi, Vietnam"],"raw_orcid":"https://orcid.org/0000-0003-4743-5012","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada","institution_ids":["https://openalex.org/I32625721"]},{"raw_affiliation_string":"School of Electronics and Telecommunications, Hanoi University of Science and Technology (HUST), Hanoi, Vietnam","institution_ids":["https://openalex.org/I94518387"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.9341,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.75776694,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"7","issue":null,"first_page":"132748","last_page":"132762"},"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":0.9998000264167786,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9997000098228455,"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/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.8684322834014893},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7746859788894653},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6953731775283813},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6943978071212769},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.6075983643531799},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.6000059247016907},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5388564467430115},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5068984627723694},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.46856099367141724},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4500662088394165},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4210112392902374},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.39269202947616577},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3886481523513794},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3542655110359192},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32226330041885376},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.28759390115737915},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.24278932809829712},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21849721670150757},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.14692029356956482},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.12300100922584534}],"concepts":[{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.8684322834014893},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7746859788894653},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6953731775283813},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6943978071212769},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.6075983643531799},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.6000059247016907},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5388564467430115},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5068984627723694},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.46856099367141724},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4500662088394165},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4210112392902374},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.39269202947616577},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3886481523513794},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3542655110359192},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32226330041885376},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.28759390115737915},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.24278932809829712},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21849721670150757},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.14692029356956482},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.12300100922584534},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2019.2940458","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2940458","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08831383.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2c984b1b550949888a3c83b21e2b0229","is_oa":true,"landing_page_url":"https://doaj.org/article/2c984b1b550949888a3c83b21e2b0229","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 132748-132762 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2940458","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2940458","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08831383.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2698860515","display_name":null,"funder_award_id":"05899","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G376438230","display_name":null,"funder_award_id":"B2019-BKA-10","funder_id":"https://openalex.org/F4320323346","funder_display_name":"B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u00d0\u00e0o t\u1ea1o"},{"id":"https://openalex.org/G4719048210","display_name":null,"funder_award_id":"RGPIN-2017","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"}],"funders":[{"id":"https://openalex.org/F4320323346","display_name":"B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u00d0\u00e0o t\u1ea1o","ror":"https://ror.org/00drv3378"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2973078122.pdf","grobid_xml":"https://content.openalex.org/works/W2973078122.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W1518945650","https://openalex.org/W1576083089","https://openalex.org/W1645823567","https://openalex.org/W1971443733","https://openalex.org/W1986586714","https://openalex.org/W1997834106","https://openalex.org/W2017907646","https://openalex.org/W2039531842","https://openalex.org/W2040209771","https://openalex.org/W2090195299","https://openalex.org/W2105392125","https://openalex.org/W2111113050","https://openalex.org/W2112820013","https://openalex.org/W2121315337","https://openalex.org/W2128513990","https://openalex.org/W2136644341","https://openalex.org/W2147601077","https://openalex.org/W2152999056","https://openalex.org/W2194569170","https://openalex.org/W2238937638","https://openalex.org/W2240613635","https://openalex.org/W2286275639","https://openalex.org/W2293467174","https://openalex.org/W2293606211","https://openalex.org/W2338465892","https://openalex.org/W2343491855","https://openalex.org/W2530073819","https://openalex.org/W2561146563","https://openalex.org/W2607814989","https://openalex.org/W2732870431","https://openalex.org/W2739040955","https://openalex.org/W2783638393","https://openalex.org/W2800222781","https://openalex.org/W2810990271","https://openalex.org/W2962860833","https://openalex.org/W2963151934","https://openalex.org/W2963545705","https://openalex.org/W3098980465","https://openalex.org/W3100336903","https://openalex.org/W3100505697","https://openalex.org/W3102913791","https://openalex.org/W3106282754","https://openalex.org/W4233159434","https://openalex.org/W6741295926"],"related_works":["https://openalex.org/W1656604177","https://openalex.org/W2124240980","https://openalex.org/W2519403816","https://openalex.org/W4297776116","https://openalex.org/W3164284189","https://openalex.org/W2611631300","https://openalex.org/W2138759004","https://openalex.org/W2163043527","https://openalex.org/W1987882110","https://openalex.org/W4291246656"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"time-offset":[3,32],"pilots":[4,43],"for":[5,66,90],"a":[6,67],"single-cell":[7],"multiuser":[8],"massive":[9],"multiple-input":[10],"multiple-output":[11],"(MIMO)":[12],"system":[13,61],"and":[14,25,40,84,102,172,176,193],"studies":[15],"its":[16],"performance":[17],"under":[18],"the":[19,30,41,51,55,60,79,94,100,108,115,125,130,144,149,162,167,181],"minimum":[20],"mean-squared":[21],"error":[22],"channel":[23],"estimator":[24],"successive":[26,190],"interference":[27,73,191],"cancellation.":[28],"With":[29],"proposed":[31],"pilots,":[33],"users":[34,65],"are":[35,47,105,154],"divided":[36],"into":[37],"two":[38],"groups":[39],"uplink":[42,52,95],"from":[44],"one":[45],"group":[46],"transmitted":[48],"simultaneously":[49],"with":[50,124],"data":[53,86,103,173],"of":[54,70,81,93,127,132,183],"other":[56],"group,":[57],"which":[58],"allows":[59],"to":[62,77,139,165],"accommodate":[63],"more":[64],"given":[68],"number":[69],"pilots.":[71],"Successive":[72],"cancellation":[74,192],"is":[75,112,122],"developed":[76],"ease":[78],"effect":[80,182],"pilot":[82,184],"contamination":[83,185],"enhance":[85],"detection.":[87],"Closed-form":[88],"expressions":[89],"lower":[91],"bounds":[92],"spectral":[96],"efficiencies":[97],"in":[98,170],"both":[99],"training":[101,171],"phases":[104],"derived":[106],"when":[107],"maximum-ratio":[109],"combining":[110],"receiver":[111],"used":[113],"at":[114],"base":[116],"station.":[117],"The":[118],"power":[119,151,195],"control":[120,152],"problem":[121],"formulated":[123],"objective":[126],"either":[128],"maximizing":[129],"quality":[131],"service":[133],"that":[134,180],"can":[135,186],"be":[136,187],"equally":[137],"provided":[138],"all":[140],"users,":[141],"or":[142],"minimizing":[143],"total":[145],"transmit":[146],"power.":[147],"Since":[148],"original":[150],"problems":[153,168],"NP-hard,":[155],"we":[156],"also":[157],"propose":[158],"algorithms":[159],"based":[160],"on":[161],"bisection":[163],"method":[164],"solve":[166],"separately":[169],"phases.":[174],"Analysis":[175],"numerical":[177],"results":[178],"show":[179],"mitigated":[188],"by":[189],"proper":[194],"control.":[196]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}