{"id":"https://openalex.org/W2039127859","doi":"https://doi.org/10.1109/camsap.2011.6135913","title":"Adaptive underlay cognitive radios with imperfect CSI and probabilistic interference constraints","display_name":"Adaptive underlay cognitive radios with imperfect CSI and probabilistic interference constraints","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2039127859","doi":"https://doi.org/10.1109/camsap.2011.6135913","mag":"2039127859"},"language":"en","primary_location":{"id":"doi:10.1109/camsap.2011.6135913","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2011.6135913","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","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/A5054312245","display_name":"Antonio G. Marqu\u00e9s","orcid":"https://orcid.org/0000-0002-4642-7718"},"institutions":[{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio G. Marques","raw_affiliation_strings":["Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#","institution_ids":["https://openalex.org/I182083151"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075672443","display_name":"Luis M. L\u00f3pez-Ramos","orcid":"https://orcid.org/0000-0001-8072-3994"},"institutions":[{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Luis M. Lopez-Ramos","raw_affiliation_strings":["Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#","institution_ids":["https://openalex.org/I182083151"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026758314","display_name":"Georgios B. Giannakis","orcid":"https://orcid.org/0000-0002-0196-0260"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Georgios B. Giannakis","raw_affiliation_strings":["Dept. of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA","Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA","institution_ids":["https://openalex.org/I130238516"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA#TAB#","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101669185","display_name":"Javier Ramos","orcid":"https://orcid.org/0000-0003-0821-9181"},"institutions":[{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Ramos","raw_affiliation_strings":["Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Dept. of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain#TAB#","institution_ids":["https://openalex.org/I182083151"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"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":0.09924748,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"161","last_page":"164"},"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/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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9991999864578247,"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/underlay","display_name":"Underlay","score":0.9357436299324036},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.7845040559768677},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6893801689147949},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6376907229423523},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.604498565196991},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.546719491481781},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5218407511711121},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5000765323638916},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4352569878101349},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.28901416063308716},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.2551056146621704},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.24254202842712402},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20830124616622925},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1622571051120758}],"concepts":[{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.9357436299324036},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7845040559768677},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6893801689147949},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6376907229423523},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.604498565196991},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.546719491481781},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5218407511711121},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5000765323638916},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4352569878101349},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.28901416063308716},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2551056146621704},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.24254202842712402},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20830124616622925},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1622571051120758},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/camsap.2011.6135913","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2011.6135913","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1583497301","https://openalex.org/W2097861666","https://openalex.org/W2110940966","https://openalex.org/W2117691981","https://openalex.org/W2118726574","https://openalex.org/W2149207794","https://openalex.org/W2163015081","https://openalex.org/W2165984854","https://openalex.org/W2171501928","https://openalex.org/W2610335499","https://openalex.org/W4230872744"],"related_works":["https://openalex.org/W4255303560","https://openalex.org/W1975029702","https://openalex.org/W1943171502","https://openalex.org/W2744240346","https://openalex.org/W2077074280","https://openalex.org/W2769590643","https://openalex.org/W2169642774","https://openalex.org/W2532161418","https://openalex.org/W2556201531","https://openalex.org/W3127807175"],"abstract_inverted_index":{"Efficient":[0],"design":[1],"of":[2,16,46,56,65,102,106,112,153],"cognitive":[3,40],"radios":[4,41],"requires":[5],"secondary":[6,47,108],"users":[7,48],"implementing":[8],"adaptive":[9],"resource":[10,33],"allocation":[11,34],"schemes":[12,98],"that":[13,62],"exploit":[14],"knowledge":[15],"the":[17,26,44,66,68,81,103,107,110,113,117,122,139,151,154],"channel":[18],"state":[19],"information":[20],"(CSI),":[21],"and":[22,54,91,116,141],"limit":[23],"interference":[24],"to":[25,42,51,137,145],"primary":[27,72,114,155],"system.":[28],"In":[29],"this":[30],"paper,":[31],"stochastic":[32,134],"algorithms":[35,130],"are":[36,99,143],"developed":[37],"for":[38],"underlay":[39],"maximize":[43],"sum-rate":[45],"while":[49],"adhering":[50],"\u201caverage":[52],"power\u201d":[53],"\u201cprobability":[55],"interference\u201d":[57],"constraints.":[58,124],"The":[59,96,125],"latter":[60],"guarantee":[61],"during":[63],"most":[64],"time":[67],"power":[69],"interfering":[70],"with":[71,121,147],"receivers":[73],"stays":[74],"below":[75],"a":[76,100],"certain":[77],"pre-specified":[78],"level.":[79],"Although":[80],"resultant":[82],"optimization":[83],"problem":[84],"is":[85,127],"non-convex,":[86],"it":[87],"exhibits":[88],"zero-duality":[89],"gap":[90],"can":[92],"be":[93],"efficiently":[94],"solved.":[95],"optimal":[97],"function":[101],"link":[104],"quality":[105],"network,":[109],"activity":[111],"users,":[115],"Lagrange":[118],"multipliers":[119],"associated":[120],"considered":[123],"focus":[126],"on":[128],"developing":[129],"that:":[131],"i)":[132],"employ":[133],"approximation":[135],"tools":[136],"estimate":[138],"multipliers;":[140],"ii)":[142],"able":[144],"cope":[146],"imperfections":[148],"present":[149],"in":[150],"CSI":[152],"network.":[156]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}