{"id":"https://openalex.org/W2136466835","doi":"https://doi.org/10.1109/pimrc.2009.5449901","title":"Limiting harmful interference to the primary users through joint power allocation and beamforming in the uplink of cognitive radio networks","display_name":"Limiting harmful interference to the primary users through joint power allocation and beamforming in the uplink of cognitive radio networks","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W2136466835","doi":"https://doi.org/10.1109/pimrc.2009.5449901","mag":"2136466835"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2009.5449901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5449901","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-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/A5051986413","display_name":"Narges Noori","orcid":"https://orcid.org/0000-0001-6446-3176"},"institutions":[{"id":"https://openalex.org/I4210102178","display_name":"ICT Research Institute","ror":"https://ror.org/01a3g2z22","country_code":"IR","type":"facility","lineage":["https://openalex.org/I4210102178"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Narges Noori","raw_affiliation_strings":["Iran Telecommunication Research Center, Tehran, Iran","Iran Telecomm. Research Center, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Iran Telecommunication Research Center, Tehran, Iran","institution_ids":["https://openalex.org/I4210102178"]},{"raw_affiliation_string":"Iran Telecomm. Research Center, Tehran, Iran","institution_ids":["https://openalex.org/I4210102178"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051253787","display_name":"S. Mohammad Razavizadeh","orcid":"https://orcid.org/0000-0002-1732-4779"},"institutions":[{"id":"https://openalex.org/I4210102178","display_name":"ICT Research Institute","ror":"https://ror.org/01a3g2z22","country_code":"IR","type":"facility","lineage":["https://openalex.org/I4210102178"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"S. Mohammad Razavizadeh","raw_affiliation_strings":["Iran Telecommunication Research Center, Tehran, Iran","Iran Telecomm. Research Center, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Iran Telecommunication Research Center, Tehran, Iran","institution_ids":["https://openalex.org/I4210102178"]},{"raw_affiliation_string":"Iran Telecomm. Research Center, Tehran, Iran","institution_ids":["https://openalex.org/I4210102178"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111762318","display_name":"Alireza Attar","orcid":null},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Alireza Attar","raw_affiliation_strings":["University of British Columbia, Vancouver, Canada","University of British Columbia  Vancouver Canada"],"affiliations":[{"raw_affiliation_string":"University of British Columbia, Vancouver, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"University of British Columbia  Vancouver Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5051986413"],"corresponding_institution_ids":["https://openalex.org/I4210102178"],"apc_list":null,"apc_paid":null,"fwci":1.0285,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.79535053,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1246","last_page":"1250"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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"}},"topics":[{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9993000030517578,"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":0.8983467817306519},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.7243492007255554},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.683809757232666},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6460391879081726},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6335745453834534},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6280369758605957},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5849624872207642},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5491226315498352},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5368073582649231},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5206250548362732},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5183742642402649},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.5084156394004822},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.418737530708313},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3819246292114258},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.22757479548454285},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19387683272361755},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.17126941680908203},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.16603291034698486}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8983467817306519},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7243492007255554},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.683809757232666},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6460391879081726},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6335745453834534},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6280369758605957},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5849624872207642},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5491226315498352},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5368073582649231},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5206250548362732},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5183742642402649},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.5084156394004822},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.418737530708313},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3819246292114258},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.22757479548454285},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19387683272361755},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.17126941680908203},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.16603291034698486},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2009.5449901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5449901","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1571625245","https://openalex.org/W1586313000","https://openalex.org/W2009702080","https://openalex.org/W2084212969","https://openalex.org/W2108789935","https://openalex.org/W2116530026","https://openalex.org/W2126095061","https://openalex.org/W2144778327","https://openalex.org/W2148124193","https://openalex.org/W2159773000","https://openalex.org/W2164886582","https://openalex.org/W2165673607","https://openalex.org/W2168078104","https://openalex.org/W6635000382"],"related_works":["https://openalex.org/W2780252087","https://openalex.org/W2890273742","https://openalex.org/W2121063273","https://openalex.org/W2337309234","https://openalex.org/W2130902301","https://openalex.org/W4390447722","https://openalex.org/W3087844490","https://openalex.org/W2923631784","https://openalex.org/W1981344466","https://openalex.org/W2787827467"],"abstract_inverted_index":{"A":[0],"cognitive":[1],"radio":[2],"(CR)":[3],"network":[4,8,20,35,82,108],"is":[5,25,74],"a":[6,18,32,38,41,67,113],"secondary":[7,48],"operating":[9],"in":[10,76,91,119,133],"the":[11,23,77,80,85,89,96,99,106,120,134,138,150,175,178,182,186,225,228],"frequency":[12],"band":[13],"and":[14,40,71,109,124,127,146,153,188,194,202,218],"geographical":[15],"area":[16],"of":[17,37,43,79,159,163,185,191,227],"primary":[19,33,44,100,192],"to":[21,56,83,88,212],"which":[22],"spectrum":[24,54],"licensed.":[26],"In":[27,95,137,174],"this":[28,64],"paper,":[29],"we":[30],"consider":[31],"broadcasting":[34],"consisting":[36],"transmitter":[39,101,193],"number":[42],"users":[45,49],"(PUs).":[46],"The":[47],"(SUs)":[50],"make":[51],"opportunistic":[52],"unlicensed":[53],"access":[55],"communicate":[57],"with":[58,105,112],"their":[59,169,197],"base":[60],"station":[61],"(BS).":[62],"With":[63],"system":[65],"model,":[66],"joint":[68,121,143],"power":[69,122,131,144,155,172,204,216],"allocation":[70,123,145],"beamforming":[72,125,147,151,183,219],"scheme":[73,126,148,180],"proposed":[75,142,179,229],"uplink":[78],"CR":[81,107],"minimize":[84],"maximum":[86,170,203],"interference":[87],"PUs":[90],"two":[92],"different":[93],"scenarios.":[94],"first":[97],"scenario,":[98],"does":[102],"not":[103],"cooperate":[104],"it":[110,117],"transmits":[111],"fixed":[114],"power,":[115],"whereas":[116],"cooperates":[118],"adjusts":[128],"its":[129],"transmission":[130,154,171,189,215],"accordingly,":[132],"second":[135],"scenario.":[136],"former":[139],"case,":[140,177],"our":[141],"finds":[149,181],"weights":[152,184],"values":[156,217],"under":[157,196],"quality":[158],"service":[160],"(QoS)":[161],"constraints":[162],"all":[164],"SUs,":[165],"taking":[166],"into":[167],"account":[168],"constraints.":[173,205],"latter":[176],"BS":[187],"powers":[190],"SUs":[195],"target":[198],"signal-to-interference-plus-noise":[199],"ratios":[200],"(SINRs)":[201],"Our":[206],"approach":[207],"employs":[208],"Genetic":[209],"Algorithm":[210],"(GA)":[211],"determine":[213],"optimum":[214],"weight":[220],"vectors.":[221],"Simulation":[222],"results":[223],"show":[224],"performance":[226],"scheme.":[230]},"counts_by_year":[{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
