{"id":"https://openalex.org/W3110008909","doi":"https://doi.org/10.1109/twc.2020.3040044","title":"Network-Assisted Full-Duplex Distributed Massive MIMO Systems With Beamforming Training Based CSI Estimation","display_name":"Network-Assisted Full-Duplex Distributed Massive MIMO Systems With Beamforming Training Based CSI Estimation","publication_year":2020,"publication_date":"2020-12-03","ids":{"openalex":"https://openalex.org/W3110008909","doi":"https://doi.org/10.1109/twc.2020.3040044","mag":"3110008909"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2020.3040044","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3040044","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/A5100730414","display_name":"Jiamin Li","orcid":"https://orcid.org/0000-0002-3566-7855"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiamin Li","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","Purple Mountain Laboratories, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043099569","display_name":"Qian Lv","orcid":"https://orcid.org/0000-0002-0788-2451"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Lv","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050166453","display_name":"Pengcheng Zhu","orcid":"https://orcid.org/0000-0001-9867-7041"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengcheng Zhu","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100737019","display_name":"Dongming Wang","orcid":"https://orcid.org/0000-0003-2762-6567"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongming Wang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","Purple Mountain Laboratories, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029002143","display_name":"Jiangzhou Wang","orcid":"https://orcid.org/0000-0003-0881-3594"},"institutions":[{"id":"https://openalex.org/I20581793","display_name":"University of Kent","ror":"https://ror.org/00xkeyj56","country_code":"GB","type":"education","lineage":["https://openalex.org/I20581793"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jiangzhou Wang","raw_affiliation_strings":["School of Engineering and Digital Arts, University of Kent, Canterbury, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Digital Arts, University of Kent, Canterbury, U.K","institution_ids":["https://openalex.org/I20581793"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072916702","display_name":"Xiaohu You","orcid":"https://orcid.org/0000-0002-0809-8511"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohu You","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","Purple Mountain Laboratories, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100730414"],"corresponding_institution_ids":["https://openalex.org/I4210155350","https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":2.7049,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.90853697,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"20","issue":"4","first_page":"2190","last_page":"2204"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9958000183105469,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9930999875068665,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9359529614448547},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7973047494888306},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6930990219116211},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6749993562698364},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6340916156768799},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5320276618003845},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5241068601608276},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.4870198369026184},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38536858558654785},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3670823872089386},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3513367176055908},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.34549227356910706},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2041741907596588},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17610162496566772}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9359529614448547},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7973047494888306},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6930990219116211},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6749993562698364},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6340916156768799},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5320276618003845},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5241068601608276},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.4870198369026184},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38536858558654785},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3670823872089386},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3513367176055908},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.34549227356910706},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2041741907596588},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17610162496566772},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"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":1,"locations":[{"id":"doi:10.1109/twc.2020.3040044","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3040044","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/G281127615","display_name":null,"funder_award_id":"61871465","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3554749734","display_name":null,"funder_award_id":"61871122","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4462495405","display_name":null,"funder_award_id":"61971127","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4472654138","display_name":null,"funder_award_id":"BK20180011","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1557740912","https://openalex.org/W1639008916","https://openalex.org/W1654832238","https://openalex.org/W1677803439","https://openalex.org/W1889296357","https://openalex.org/W1965607265","https://openalex.org/W1986468408","https://openalex.org/W1999833500","https://openalex.org/W2022696420","https://openalex.org/W2031318228","https://openalex.org/W2035073863","https://openalex.org/W2036223844","https://openalex.org/W2049516452","https://openalex.org/W2054692642","https://openalex.org/W2084304524","https://openalex.org/W2100774182","https://openalex.org/W2106929598","https://openalex.org/W2114731473","https://openalex.org/W2121315337","https://openalex.org/W2126105956","https://openalex.org/W2218101785","https://openalex.org/W2238937638","https://openalex.org/W2319865523","https://openalex.org/W2418350050","https://openalex.org/W2432537802","https://openalex.org/W2492051176","https://openalex.org/W2503659428","https://openalex.org/W2509202454","https://openalex.org/W2518002989","https://openalex.org/W2546062527","https://openalex.org/W2561146563","https://openalex.org/W2617174667","https://openalex.org/W2739040955","https://openalex.org/W2782647035","https://openalex.org/W2794376686","https://openalex.org/W2794410722","https://openalex.org/W2797535556","https://openalex.org/W2811353228","https://openalex.org/W2883799141","https://openalex.org/W2883896425","https://openalex.org/W2887511320","https://openalex.org/W2904233286","https://openalex.org/W2943168575","https://openalex.org/W2963000157","https://openalex.org/W2964042011","https://openalex.org/W2970683200","https://openalex.org/W2998514310","https://openalex.org/W3001739548","https://openalex.org/W3005465302","https://openalex.org/W3041415426","https://openalex.org/W3099019646","https://openalex.org/W6717988880","https://openalex.org/W6724554126"],"related_works":["https://openalex.org/W1931943713","https://openalex.org/W301676527","https://openalex.org/W2103028776","https://openalex.org/W1757854673","https://openalex.org/W3140554627","https://openalex.org/W2991224564","https://openalex.org/W4289865786","https://openalex.org/W2172055400","https://openalex.org/W2507345605","https://openalex.org/W2088352174"],"abstract_inverted_index":{"Network-assisted":[0],"full-duplex":[1],"(NAFD)":[2],"distributed":[3],"massive":[4],"multiple-input":[5],"multiple-output":[6],"(MIMO)":[7],"systems":[8],"enable":[9],"simultaneous":[10],"uplink":[11,21,49,67,129],"and":[12,22,51,112,130,137,174],"downlink":[13,23,52,64,70,131],"communications":[14],"by":[15,63],"dynamically":[16],"allocating":[17],"the":[18,31,57,79,84,159,167,170,186],"numbers":[19],"of":[20,110,161,169,176],"remote":[24],"antenna":[25],"units":[26],"(RAUs),":[27],"which":[28,149],"potentially":[29],"improve":[30],"spectral":[32],"efficiency":[33],"in":[34,48],"wireless":[35],"communications.":[36],"In":[37],"such":[38],"systems,":[39],"channel":[40,86,113],"state":[41],"information":[42],"(CSI)":[43],"plays":[44],"a":[45],"critical":[46],"role":[47],"reception":[50],"transmission,":[53],"as":[54,56],"well":[55],"cross":[58],"link":[59],"interference":[60],"cancelation":[61],"caused":[62],"RAUs":[65],"to":[66,73,76,83,97,104],"RAUs.":[68],"Moreover,":[69,182],"terminals":[71],"need":[72],"estimate":[74,99,105],"CSI":[75,107,180],"reliably":[77],"decode":[78],"received":[80],"signals":[81],"due":[82],"reduced":[85],"hardening":[87],"effect.":[88],"However,":[89],"high":[90],"training":[91,119,178],"overhead":[92],"makes":[93],"it":[94],"generally":[95],"impossible":[96],"directly":[98],"CSI.":[100],"This":[101],"paper":[102],"proposes":[103],"effective":[106],"(inner":[108],"products":[109],"beamforming":[111,118,177],"vectors)":[114],"instead":[115],"based":[116,179],"on":[117,153],"scheme.":[120],"Under":[121],"this":[122],"scheme,":[123],"we":[124,142],"derive":[125],"closed-form":[126,172],"expressions":[127,173],"for":[128,197],"achievable":[132],"rates":[133],"with":[134],"different":[135],"receivers":[136],"beamforming.":[138],"Given":[139],"these":[140],"expressions,":[141],"propose":[143],"an":[144],"efficient":[145],"power":[146],"allocation":[147],"scheme":[148],"is":[150],"only":[151],"dependent":[152],"slowly":[154],"varying":[155],"large-scale":[156],"fading":[157],"from":[158],"perspective":[160],"multi-objective":[162],"optimization.":[163,199],"Numerical":[164],"results":[165],"verify":[166],"accuracy":[168],"derived":[171],"effectiveness":[175],"estimation.":[181],"trade-off":[183],"regions":[184],"between":[185],"considered":[187],"optimization":[188],"objectives":[189],"under":[190],"various":[191],"system":[192,198],"parameters":[193],"offer":[194],"numerous":[195],"flexibilities":[196]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":4}],"updated_date":"2026-04-23T09:07:50.710637","created_date":"2025-10-10T00:00:00"}