{"id":"https://openalex.org/W1592440613","doi":"https://doi.org/10.1109/icufn.2015.7182501","title":"Downlink beamforming with estimated DOA from uplink transmission","display_name":"Downlink beamforming with estimated DOA from uplink transmission","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W1592440613","doi":"https://doi.org/10.1109/icufn.2015.7182501","mag":"1592440613"},"language":"en","primary_location":{"id":"doi:10.1109/icufn.2015.7182501","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icufn.2015.7182501","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Seventh International Conference on Ubiquitous and Future Networks","raw_type":"proceedings-article"},"type":"conference-paper","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/A5054977676","display_name":"Weiwei Qin","orcid":"https://orcid.org/0000-0002-4356-6368"},"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":"Weiwei Qin","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102879250","display_name":"Zaichen Zhang","orcid":null},"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":"Zaichen Zhang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044817346","display_name":"Liang Wu","orcid":"https://orcid.org/0000-0001-9054-0155"},"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":"Liang Wu","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056446385","display_name":"Jian Dang","orcid":"https://orcid.org/0000-0002-4199-9645"},"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":"Jian Dang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101772728","display_name":"Yingying Yu","orcid":"https://orcid.org/0000-0002-9921-4783"},"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":"Yingying Yu","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory,  Southeast University,  Nanjing  210096,  China;","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101647909","display_name":"Yuxin Wei","orcid":"https://orcid.org/0009-0003-9666-3991"},"institutions":[{"id":"https://openalex.org/I4210110621","display_name":"Sony (China)","ror":"https://ror.org/02qd2bv04","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210110621","https://openalex.org/I4210143797"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxin Wei","raw_affiliation_strings":["Sony China Research Laboratory","Sony China Research Laboratory, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sony China Research Laboratory","institution_ids":["https://openalex.org/I4210110621"]},{"raw_affiliation_string":"Sony China Research Laboratory, China","institution_ids":["https://openalex.org/I4210110621"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100729879","display_name":"Chen Sun","orcid":"https://orcid.org/0000-0002-8352-9094"},"institutions":[{"id":"https://openalex.org/I4210110621","display_name":"Sony (China)","ror":"https://ror.org/02qd2bv04","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210110621","https://openalex.org/I4210143797"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Sun","raw_affiliation_strings":["Sony China Research Laboratory","Sony China Research Laboratory, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sony China Research Laboratory","institution_ids":["https://openalex.org/I4210110621"]},{"raw_affiliation_string":"Sony China Research Laboratory, China","institution_ids":["https://openalex.org/I4210110621"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04881869,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"69","last_page":"74"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.9599553346633911},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8370155096054077},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.7275771498680115},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6490159630775452},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6169775128364563},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6103756427764893},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.456196129322052},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4396263659000397},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4178919196128845},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.35003572702407837},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21515393257141113},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20268195867538452},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18060767650604248}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9599553346633911},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8370155096054077},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.7275771498680115},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6490159630775452},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6169775128364563},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6103756427764893},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.456196129322052},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4396263659000397},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4178919196128845},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.35003572702407837},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21515393257141113},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20268195867538452},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18060767650604248},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icufn.2015.7182501","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icufn.2015.7182501","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Seventh International Conference on Ubiquitous and Future Networks","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1928419522","https://openalex.org/W1966464697","https://openalex.org/W2040776150","https://openalex.org/W2060108923","https://openalex.org/W2102661164","https://openalex.org/W2104623932","https://openalex.org/W2108902284","https://openalex.org/W2128131274","https://openalex.org/W2132736457","https://openalex.org/W2139476411","https://openalex.org/W2143949374","https://openalex.org/W2144244295","https://openalex.org/W2146342607","https://openalex.org/W2150440877","https://openalex.org/W6640398065"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","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/W2561058892"],"abstract_inverted_index":{"This":[0,80],"paper":[1],"proposes":[2],"a":[3,87],"downlink":[4,48,67,89],"beamforming":[5,49,68],"scheme":[6,42,50,69,84],"at":[7],"the":[8,18,44,82],"base":[9],"station":[10],"(BS)":[11],"in":[12,76],"wireless":[13],"communication":[14],"systems":[15],"based":[16,38],"on":[17],"estimated":[19],"directions-of-arrival":[20],"(DOA)":[21],"information":[22],"obtained":[23],"from":[24],"uplink":[25],"signals.":[26],"Procedures":[27],"corresponding":[28],"to":[29],"traditional":[30],"linearly":[31],"constrained":[32],"minimum":[33],"variance":[34],"(LCMV)":[35],"scheme,":[36],"zero-forcing":[37],"multiple-input":[39],"multiple-output":[40],"(MIMO)":[41],"and":[43],"proposed":[45,83],"two":[46,65],"stage":[47,66],"are":[51],"described.":[52],"Simulation":[53],"results":[54],"presented":[55],"clarify":[56],"that":[57],"with":[58],"significantly":[59],"less":[60],"required":[61],"feedback":[62],"information,":[63],"our":[64],"can":[70],"achieve":[71],"better":[72],"BER":[73],"performance,":[74],"especially":[75],"high":[77],"SNR":[78],"region.":[79],"makes":[81],"suitable":[85],"for":[86],"multiuser":[88],"transmission":[90],"scenario.":[91]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}