{"id":"https://openalex.org/W1983297673","doi":"https://doi.org/10.1109/tvt.2014.2305849","title":"Distributed Opportunistic Interference Alignment Using Threshold-Based Beamforming in MIMO Overlay Cognitive Radio","display_name":"Distributed Opportunistic Interference Alignment Using Threshold-Based Beamforming in MIMO Overlay Cognitive Radio","publication_year":2014,"publication_date":"2014-02-11","ids":{"openalex":"https://openalex.org/W1983297673","doi":"https://doi.org/10.1109/tvt.2014.2305849","mag":"1983297673"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2014.2305849","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2014.2305849","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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":null,"display_name":"Somayeh Mosleh","orcid":null},"institutions":[{"id":"https://openalex.org/I112536369","display_name":"Yazd University","ror":"https://ror.org/02x99ac45","country_code":"IR","type":"education","lineage":["https://openalex.org/I112536369"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Somayeh Mosleh","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","institution_ids":["https://openalex.org/I112536369"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#","institution_ids":["https://openalex.org/I112536369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013844176","display_name":"Jamshid Abouei","orcid":"https://orcid.org/0000-0002-2608-6100"},"institutions":[{"id":"https://openalex.org/I112536369","display_name":"Yazd University","ror":"https://ror.org/02x99ac45","country_code":"IR","type":"education","lineage":["https://openalex.org/I112536369"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Jamshid Abouei","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","institution_ids":["https://openalex.org/I112536369"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#","institution_ids":["https://openalex.org/I112536369"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073171584","display_name":"Masoud Reza Aghabozorgi Sahaf","orcid":"https://orcid.org/0000-0003-2184-5208"},"institutions":[{"id":"https://openalex.org/I112536369","display_name":"Yazd University","ror":"https://ror.org/02x99ac45","country_code":"IR","type":"education","lineage":["https://openalex.org/I112536369"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Masoud Reza Aghabozorgi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Yazd university, Yazd, Iran","institution_ids":["https://openalex.org/I112536369"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Yazd Univ., Yazd, Iran#TAB#","institution_ids":["https://openalex.org/I112536369"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.3234,"has_fulltext":false,"cited_by_count":43,"citation_normalized_percentile":{"value":0.96031291,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"63","issue":"8","first_page":"3783","last_page":"3793"},"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":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8107634782791138},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.75189208984375},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6232682466506958},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.511662483215332},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5002508163452148},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.49982714653015137},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4870319962501526},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.48418405652046204},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4802282452583313},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.4489905834197998},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3993208706378937},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38673293590545654},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36518537998199463},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.25982746481895447},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2532615661621094},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17936062812805176},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.14698845148086548},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1425982117652893}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8107634782791138},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.75189208984375},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6232682466506958},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.511662483215332},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5002508163452148},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.49982714653015137},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4870319962501526},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.48418405652046204},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4802282452583313},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.4489905834197998},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3993208706378937},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38673293590545654},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36518537998199463},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25982746481895447},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2532615661621094},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17936062812805176},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.14698845148086548},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1425982117652893},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2014.2305849","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2014.2305849","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W355207094","https://openalex.org/W592796669","https://openalex.org/W1545748428","https://openalex.org/W1562327279","https://openalex.org/W1964803597","https://openalex.org/W1979408141","https://openalex.org/W1997834106","https://openalex.org/W2000945201","https://openalex.org/W2030142387","https://openalex.org/W2051577697","https://openalex.org/W2070005935","https://openalex.org/W2090000067","https://openalex.org/W2098363461","https://openalex.org/W2099111195","https://openalex.org/W2102617152","https://openalex.org/W2108407796","https://openalex.org/W2110766716","https://openalex.org/W2123785175","https://openalex.org/W2133906499","https://openalex.org/W2136556242","https://openalex.org/W2136608712","https://openalex.org/W2163930010","https://openalex.org/W2168078104","https://openalex.org/W2169632208","https://openalex.org/W2169773204","https://openalex.org/W2171681635","https://openalex.org/W2172174005","https://openalex.org/W2229936680","https://openalex.org/W2478708596","https://openalex.org/W3119264854","https://openalex.org/W4250923177"],"related_works":["https://openalex.org/W595346907","https://openalex.org/W153296825","https://openalex.org/W598989511","https://openalex.org/W2375779923","https://openalex.org/W2041986468","https://openalex.org/W2088352174","https://openalex.org/W3084132786","https://openalex.org/W4327661444","https://openalex.org/W2034991012","https://openalex.org/W2101042359"],"abstract_inverted_index":{"To":[0],"achieve":[1],"the":[2,60,69,77,80,83,93,113,119,126,132,140,143,146,150,154,157,165,169,188,205,213,217,224,227,231,237,246,251,267],"full":[3,202],"multiplexing":[4],"gain":[5],"of":[6,45,73,82,88,109,142,156,226,235,255],"a":[7,21,29,96,192,196,256,272],"<inline-formula":[8,51],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[9,52],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[10,53],"<tex-math":[11,54],"notation=\"TeX\">$K$</tex-math></inline-formula>":[12,55],"-multiuser":[13],"multiple-input\u2013multiple-output":[14],"(MIMO)":[15],"overlay":[16,41,219,274],"cognitive":[17],"radio":[18],"(CR)":[19],"network,":[20],"distributed":[22,179],"opportunistic":[23,247],"interference":[24,263],"alignment":[25],"(DOIA)":[26],"technique":[27],"using":[28],"new":[30],"beamforming":[31,35,99],"algorithm,":[32],"namely,":[33,182],"threshold-based":[34],"(TBF),":[36],"is":[37,65,184,264],"proposed.":[38],"The":[39,241],"MIMO":[40,218,273],"CR":[42,220,275],"system":[43,221],"consists":[44],"one":[46],"primary":[47],"user":[48],"(PU)":[49],"and":[50,71,79,145,178,204,239,259],"secondary":[56],"users":[57],"(SUs)":[58],"where":[59],"local":[61],"channel":[62,91],"state":[63],"information":[64],"available":[66],"at":[67,171,201],"both":[68,236],"transmitters":[70],"receivers":[72],"SUs.":[74,114,147,240],"Assuming":[75],"that":[76,261],"receiver":[78],"transmitter":[81],"PU":[84,94,144,238,258],"have":[85],"perfect":[86],"knowledge":[87],"their":[89,122],"own":[90],"matrix,":[92],"uses":[95],"maximum":[97,193],"eigenmode":[98],"(MEB)":[100],"scheme":[101,152],"for":[102,112,168,270],"its":[103,110],"data":[104,200],"transmission":[105],"to":[106,125,136,222,249],"release":[107],"some":[108],"eigenmodes":[111,135,167],"For":[115],"this":[116],"virtual":[117],"cooperation,":[118],"SUs":[120,170,248],"align":[121],"transmitted":[123],"signals":[124],"spatial":[127],"directions":[128],"(SDs)":[129],"associated":[130],"with":[131,191,212],"unused":[133],"PU's":[134,166,268],"ensure":[137],"orthogonality":[138],"between":[139],"links":[141,190],"In":[148],"addition,":[149],"MEB":[151,214],"overcomes":[153],"limitation":[155],"conventional":[158],"water-filling":[159],"power":[160],"allocation":[161],"(WPA)":[162],"in":[163,186],"releasing":[164],"high":[172],"signal-to-noise":[173],"ratios":[174],"(SNRs).":[175],"A":[176],"noniterative":[177],"power-allocation":[180],"strategy,":[181],"TBF,":[183],"proposed,":[185],"which":[187],"SUs'":[189],"eigenvalue":[194],"above":[195],"certain":[197],"threshold":[198],"transmit":[199],"power,":[203],"rest":[206],"remain":[207],"silent.":[208],"This":[209],"protocol,":[210],"along":[211],"scheme,":[215],"enables":[216],"enhance":[223],"throughput":[225],"network":[228],"described":[229],"as":[230],"average":[232],"sum":[233],"rate":[234],"proposed":[242],"DOIA-TBF":[243],"protocol":[244],"allows":[245],"use":[250],"same":[252],"frequency":[253],"band":[254],"preexisting":[257],"guarantees":[260],"no":[262],"imposed":[265],"on":[266],"performance":[269],"such":[271],"system.":[276]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}