{"id":"https://openalex.org/W2971241231","doi":"https://doi.org/10.1109/tccn.2019.2937870","title":"Beam Selection and Discrete Power Allocation in Opportunistic Cognitive Radio Systems With Limited Feedback Using ESPAR Antennas","display_name":"Beam Selection and Discrete Power Allocation in Opportunistic Cognitive Radio Systems With Limited Feedback Using ESPAR Antennas","publication_year":2019,"publication_date":"2019-08-27","ids":{"openalex":"https://openalex.org/W2971241231","doi":"https://doi.org/10.1109/tccn.2019.2937870","mag":"2971241231"},"language":"en","primary_location":{"id":"doi:10.1109/tccn.2019.2937870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2019.2937870","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","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/A5000905443","display_name":"Hassan Yazdani","orcid":"https://orcid.org/0000-0003-0763-6741"},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Hassan Yazdani","raw_affiliation_strings":["University of Central Florida, Orlando, USA"],"raw_orcid":"https://orcid.org/0000-0003-0763-6741","affiliations":[{"raw_affiliation_string":"University of Central Florida, Orlando, USA","institution_ids":["https://openalex.org/I106165777"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090323125","display_name":"Azadeh Vosoughi","orcid":"https://orcid.org/0000-0002-1937-2838"},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Azadeh Vosoughi","raw_affiliation_strings":["University of Central Florida, Orlando, USA"],"raw_orcid":"https://orcid.org/0000-0002-1937-2838","affiliations":[{"raw_affiliation_string":"University of Central Florida, Orlando, USA","institution_ids":["https://openalex.org/I106165777"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000673554","display_name":"Xun Gong","orcid":"https://orcid.org/0000-0001-7111-736X"},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xun Gong","raw_affiliation_strings":["University of Central Florida, Orlando, USA"],"raw_orcid":"https://orcid.org/0000-0001-7111-736X","affiliations":[{"raw_affiliation_string":"University of Central Florida, Orlando, USA","institution_ids":["https://openalex.org/I106165777"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5000905443"],"corresponding_institution_ids":["https://openalex.org/I106165777"],"apc_list":null,"apc_paid":null,"fwci":2.4142,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.89970089,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"6","issue":"1","first_page":"325","last_page":"339"},"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":1.0,"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":1.0,"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":0.9983000159263611,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9947999715805054,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6806572675704956},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6704599857330322},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6367266178131104},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6048058271408081},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.571101188659668},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5326243042945862},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4718211591243744},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4588814675807953},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4565408527851105},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32428115606307983},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.28403598070144653},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20271539688110352},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14144441485404968}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6806572675704956},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6704599857330322},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6367266178131104},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6048058271408081},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.571101188659668},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5326243042945862},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4718211591243744},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4588814675807953},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4565408527851105},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32428115606307983},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.28403598070144653},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20271539688110352},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14144441485404968}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tccn.2019.2937870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2019.2937870","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4099999964237213}],"awards":[{"id":"https://openalex.org/G1615696928","display_name":null,"funder_award_id":"ECCS-1443942","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"},{"id":"https://openalex.org/G7886042293","display_name":null,"funder_award_id":"CIF-1319770","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"}],"funders":[{"id":"https://openalex.org/F4320335353","display_name":"National Science Foundation of Sri Lanka","ror":"https://ror.org/010xaa060"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W135467536","https://openalex.org/W595252221","https://openalex.org/W1492494726","https://openalex.org/W1967298188","https://openalex.org/W2012895011","https://openalex.org/W2024334219","https://openalex.org/W2025130865","https://openalex.org/W2036788473","https://openalex.org/W2055602204","https://openalex.org/W2059791925","https://openalex.org/W2081362420","https://openalex.org/W2083768596","https://openalex.org/W2088084342","https://openalex.org/W2101840010","https://openalex.org/W2108399704","https://openalex.org/W2131900983","https://openalex.org/W2185039419","https://openalex.org/W2242291464","https://openalex.org/W2284541205","https://openalex.org/W2315983370","https://openalex.org/W2408272418","https://openalex.org/W2473082332","https://openalex.org/W2474890456","https://openalex.org/W2520763708","https://openalex.org/W2550020748","https://openalex.org/W2550590307","https://openalex.org/W2599810788","https://openalex.org/W2610335499","https://openalex.org/W2614384587","https://openalex.org/W2674708020","https://openalex.org/W2773438145","https://openalex.org/W2775699089","https://openalex.org/W2795913733","https://openalex.org/W2803956538","https://openalex.org/W2896434931","https://openalex.org/W2898953622","https://openalex.org/W2921721919","https://openalex.org/W2962799881","https://openalex.org/W2963467451","https://openalex.org/W2964310541"],"related_works":["https://openalex.org/W59120657","https://openalex.org/W2059212413","https://openalex.org/W2075530143","https://openalex.org/W3091795725","https://openalex.org/W2325128397","https://openalex.org/W1531121096","https://openalex.org/W2139615693","https://openalex.org/W2384509413","https://openalex.org/W2995861515","https://openalex.org/W3193940080"],"abstract_inverted_index":{"We":[0,106],"consider":[1],"an":[2,26,198],"opportunistic":[3],"cognitive":[4],"radio":[5],"(CR)":[6],"system":[7,181,193],"consisting":[8],"of":[9,136],"a":[10,45,54,59,108,154,191],"primary":[11],"user":[12],"(PU),":[13],"secondary":[14,18],"transmitter":[15],"(SUtx),":[16],"and":[17,40,42,66,104,125,128,141,176,185],"receiver":[19],"(SUrx),":[20],"where":[21,112],"SUtx":[22,75,88,103,196],"is":[23,44,118,150],"equipped":[24],"with":[25,34,190],"electrically":[27],"steerable":[28],"parasitic":[29],"array":[30],"radiator":[31],"(ESPAR)":[32],"antenna":[33,175],"beam":[35,78,96],"steering":[36],"capability":[37],"for":[38,61],"sensing":[39,65,71,84,133],"communication,":[41],"there":[43],"limited":[46],"feedback":[47],"channel":[48,73,86,101,137],"from":[49],"SUrx":[50,114],"to":[51,80,91,98,121,160],"SUtx.":[52,146],"Taking":[53],"holistic":[55],"approach,":[56],"we":[57,152],"develop":[58,153],"framework":[60],"integrated":[62],"sector-based":[63,67],"spectrum":[64],"data":[68,90],"communication.":[69],"Upon":[70,83],"the":[72,77,85,94,99,129,162,168,173],"busy,":[74],"determines":[76],"corresponding":[79,97],"PU's":[81],"orientation.":[82],"idle,":[87],"transmits":[89],"SUrx,":[92,140],"using":[93],"selected":[95],"strongest":[100],"between":[102],"SUrx.":[105],"formulate":[107],"constrained":[109],"optimization":[110,130],"problem,":[111],"SUtx-":[113],"link":[115],"ergodic":[116],"capacity":[117,169],"maximized,":[119],"subject":[120],"average":[122],"transmit":[123,142],"power":[124,143],"interference":[126],"constraints,":[127],"variables":[131],"are":[132],"duration,":[134],"thresholds":[135],"quantizer":[138],"at":[139,145],"levels":[144],"Since":[147],"this":[148],"problem":[149],"non-convex":[151],"suboptimal":[155],"computationally":[156],"efficient":[157],"iterative":[158],"algorithm":[159],"find":[161],"solution.":[163],"Our":[164],"numerical":[165],"results":[166],"quantify":[167],"improvement":[170],"provided":[171],"by":[172],"ESPAR":[174],"demonstrate":[177],"that":[178,194],"our":[179],"CR":[180,192],"yields":[182],"lower":[183],"outage":[184],"symbol":[186],"error":[187],"probabilities,":[188],"compared":[189],"its":[195],"has":[197],"omni-directional":[199],"antenna.":[200]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}