{"id":"https://openalex.org/W3157904214","doi":"https://doi.org/10.1109/jsyst.2021.3070329","title":"Multiuser Opportunistic Beamforming Systems With Multiple Receive Antennas in Nakagami-$m$ Fading Channels","display_name":"Multiuser Opportunistic Beamforming Systems With Multiple Receive Antennas in Nakagami-$m$ Fading Channels","publication_year":2021,"publication_date":"2021-04-26","ids":{"openalex":"https://openalex.org/W3157904214","doi":"https://doi.org/10.1109/jsyst.2021.3070329","mag":"3157904214"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2021.3070329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3070329","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","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/A5056006156","display_name":"Wen\u2013Bin Sun","orcid":"https://orcid.org/0000-0001-8869-3371"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen-Bin Sun","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0001-8869-3371","affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067201408","display_name":"Qi\u2010Yue Yu","orcid":"https://orcid.org/0000-0003-4360-5985"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]},{"id":"https://openalex.org/I4210164386","display_name":"Hebei Science and Technology Department","ror":"https://ror.org/05k812a28","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210164386"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi-Yue Yu","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China","Science and Technology on Communication Networks Laboratory, Shijiazhuang, China"],"raw_orcid":"https://orcid.org/0000-0003-4360-5985","affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"Science and Technology on Communication Networks Laboratory, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210164386"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068699872","display_name":"Ji-Chong Guo","orcid":"https://orcid.org/0000-0003-2970-7694"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ji-Chong Guo","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0003-2970-7694","affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101940082","display_name":"Weixiao Meng","orcid":"https://orcid.org/0000-0001-8938-2866"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei-Xiao Meng","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0001-8938-2866","affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.295,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.53847238,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"16","issue":"2","first_page":"2602","last_page":"2613"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9994000196456909,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/fading","display_name":"Fading","score":0.7937055826187134},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7739990949630737},{"id":"https://openalex.org/keywords/ergodic-theory","display_name":"Ergodic theory","score":0.6752116680145264},{"id":"https://openalex.org/keywords/nakagami-distribution","display_name":"Nakagami distribution","score":0.6677729487419128},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6636632084846497},{"id":"https://openalex.org/keywords/maximal-ratio-combining","display_name":"Maximal-ratio combining","score":0.5856207609176636},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5402883887290955},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.45757222175598145},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.419852614402771},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.411593496799469},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3624584674835205},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.356139600276947},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3511587381362915},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.310386061668396},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28760385513305664},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20087990164756775},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.09699204564094543},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.06741100549697876}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.7937055826187134},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7739990949630737},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.6752116680145264},{"id":"https://openalex.org/C115098869","wikidata":"https://www.wikidata.org/wiki/Q3258347","display_name":"Nakagami distribution","level":4,"score":0.6677729487419128},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6636632084846497},{"id":"https://openalex.org/C86024645","wikidata":"https://www.wikidata.org/wiki/Q6795632","display_name":"Maximal-ratio combining","level":4,"score":0.5856207609176636},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5402883887290955},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.45757222175598145},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.419852614402771},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.411593496799469},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3624584674835205},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.356139600276947},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3511587381362915},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.310386061668396},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28760385513305664},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20087990164756775},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.09699204564094543},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.06741100549697876},{"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/jsyst.2021.3070329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3070329","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G1834202110","display_name":null,"funder_award_id":"YQ2019F009","funder_id":"https://openalex.org/F4320323085","funder_display_name":"Natural Science Foundation of Heilongjiang Province"},{"id":"https://openalex.org/G3804391315","display_name":null,"funder_award_id":"62071148","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4909711692","display_name":null,"funder_award_id":"ZD2017013","funder_id":"https://openalex.org/F4320323085","funder_display_name":"Natural Science Foundation of Heilongjiang Province"},{"id":"https://openalex.org/G499001914","display_name":null,"funder_award_id":"61871155","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323085","display_name":"Natural Science Foundation of Heilongjiang Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1576718945","https://openalex.org/W1968758538","https://openalex.org/W1969890879","https://openalex.org/W2076449723","https://openalex.org/W2082126795","https://openalex.org/W2096796190","https://openalex.org/W2100289761","https://openalex.org/W2112698926","https://openalex.org/W2114945762","https://openalex.org/W2125059246","https://openalex.org/W2130134073","https://openalex.org/W2132475844","https://openalex.org/W2141416296","https://openalex.org/W2144629143","https://openalex.org/W2144859496","https://openalex.org/W2154562606","https://openalex.org/W2161872841","https://openalex.org/W2181128393","https://openalex.org/W2322032462","https://openalex.org/W2485945189","https://openalex.org/W2575168935","https://openalex.org/W2614864174","https://openalex.org/W2761764758","https://openalex.org/W2765264748","https://openalex.org/W2765671920","https://openalex.org/W2780269322","https://openalex.org/W2806186910","https://openalex.org/W2884671900","https://openalex.org/W2884932225","https://openalex.org/W2890609471","https://openalex.org/W2935435033","https://openalex.org/W2950530045","https://openalex.org/W2952268029","https://openalex.org/W2971034831","https://openalex.org/W2974178109","https://openalex.org/W2977195919","https://openalex.org/W3008609509","https://openalex.org/W3100966058"],"related_works":["https://openalex.org/W2028647421","https://openalex.org/W1931268314","https://openalex.org/W963198203","https://openalex.org/W2110119741","https://openalex.org/W2165421096","https://openalex.org/W3144710960","https://openalex.org/W2155558773","https://openalex.org/W1543643734","https://openalex.org/W2125445053","https://openalex.org/W2103828726"],"abstract_inverted_index":{"Opportunistic":[0],"beamforming":[1,143],"(OBF)":[2],"is":[3,28],"an":[4],"appealing":[5],"technique":[6],"in":[7,98],"wireless":[8],"communications,":[9],"since":[10],"it":[11],"can":[12,135],"achieve":[13,136],"multiuser":[14,56],"diversity":[15],"gains":[16],"with":[17,39,43,145],"low":[18],"complexity.":[19],"However,":[20],"when":[21],"the":[22,25,30,40,109,113,117,132,141,146,151],"number":[23,46,152],"of":[24,47,68,93,112,119,150,153],"waiting":[26,48,154],"users":[27,49],"small,":[29],"system":[31,134],"performances":[32],"decline":[33],"rapidly.":[34],"In":[35],"order":[36],"to":[37],"deal":[38],"performance":[41],"loss":[42],"a":[44,54],"small":[45],"scenario,":[50],"this":[51],"article":[52],"presents":[53],"downlink":[55],"OBF":[57],"system,":[58],"where":[59],"each":[60],"user":[61],"equips":[62],"multiple":[63],"receive":[64],"antennas.":[65],"Three":[66],"kinds":[67],"combining":[69,78,82,87],"criteria":[70],"are":[71,76,96,125],"taken":[72],"into":[73],"consideration,":[74],"which":[75],"selection":[77],"(SC),":[79],"equal":[80],"gain":[81],"(EGC),":[83],"and":[84],"maximum":[85],"ratio":[86],"(MRC)":[88],"criteria.":[89],"The":[90],"statistical":[91],"characteristics":[92],"equivalent":[94],"channels":[95],"discussed":[97],"Nakagami-":[99],"<inline-formula":[100],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[101],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[102],"notation=\"LaTeX\">$m$</tex-math></inline-formula>":[103],"fading":[104],"channels.":[105],"Then,":[106],"we":[107],"derive":[108],"closed-form":[110],"expressions":[111],"ergodic":[114,138],"capacities.":[115],"And":[116],"influences":[118],"channel":[120],"quality":[121],"indication":[122],"(CQI)":[123],"quantization":[124],"also":[126],"deduced.":[127],"Numerical":[128],"results":[129],"show":[130],"that":[131],"proposed":[133],"better":[137],"capacity":[139],"than":[140],"conventional":[142],"schemes":[144],"limited":[147],"feedback,":[148],"regardless":[149],"users.":[155]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
