{"id":"https://openalex.org/W2041550825","doi":"https://doi.org/10.1109/acssc.2014.7094731","title":"On the optimal relay design for multi-antenna cognitive two-way AF relay networks","display_name":"On the optimal relay design for multi-antenna cognitive two-way AF relay networks","publication_year":2014,"publication_date":"2014-11-01","ids":{"openalex":"https://openalex.org/W2041550825","doi":"https://doi.org/10.1109/acssc.2014.7094731","mag":"2041550825"},"language":"en","primary_location":{"id":"doi:10.1109/acssc.2014.7094731","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2014.7094731","pdf_url":null,"source":{"id":"https://openalex.org/S4363608593","display_name":"2014 48th Asilomar Conference on Signals, Systems and Computers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 48th Asilomar Conference on Signals, Systems and Computers","raw_type":"proceedings-article"},"type":"conference-paper","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/A5025709683","display_name":"Maksym A. Girnyk","orcid":"https://orcid.org/0000-0003-3003-1601"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Maksym A. Girnyk","raw_affiliation_strings":["School of Electrical Engineering KTH Royal Institute of Technology, Stockholm, Sweden","[School of Electrical Engineering, KTH Royal Institute of Technology, Stockholm, Sweden]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering KTH Royal Institute of Technology, Stockholm, Sweden","institution_ids":["https://openalex.org/I86987016"]},{"raw_affiliation_string":"[School of Electrical Engineering, KTH Royal Institute of Technology, Stockholm, Sweden]","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058197462","display_name":"Mikko Vehkaper\u00e4","orcid":"https://orcid.org/0000-0002-3085-538X"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mikko Vehkapera","raw_affiliation_strings":["School of Electrical Engineering, Aalto University, Espoo, Finland","School of Electrical Engineering, Aalto University,,,Espoo,,Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"School of Electrical Engineering, Aalto University,,,Espoo,,Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055234860","display_name":"Sergiy A. Vorobyov","orcid":"https://orcid.org/0000-0001-7249-647X"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Sergiy A. Vorobyov","raw_affiliation_strings":["School of Electrical Engineering, Aalto University, Espoo, Finland","School of Electrical Engineering, Aalto University,,,Espoo,,Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"School of Electrical Engineering, Aalto University,,,Espoo,,Finland","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1579","last_page":"1583"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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":0.9991000294685364,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9984999895095825,"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/relay","display_name":"Relay","score":0.8506079912185669},{"id":"https://openalex.org/keywords/underlay","display_name":"Underlay","score":0.7402830719947815},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6785719990730286},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6066104173660278},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5903154611587524},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5673149228096008},{"id":"https://openalex.org/keywords/cognitive-network","display_name":"Cognitive network","score":0.5610001683235168},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.47274506092071533},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4515130817890167},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3620678186416626},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.32074275612831116},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27517902851104736},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.26401427388191223},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17043083906173706},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1423787772655487},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.11524620652198792}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8506079912185669},{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.7402830719947815},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6785719990730286},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6066104173660278},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5903154611587524},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5673149228096008},{"id":"https://openalex.org/C32542511","wikidata":"https://www.wikidata.org/wiki/Q5141225","display_name":"Cognitive network","level":4,"score":0.5610001683235168},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.47274506092071533},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4515130817890167},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3620678186416626},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.32074275612831116},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27517902851104736},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.26401427388191223},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17043083906173706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1423787772655487},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.11524620652198792},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/acssc.2014.7094731","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2014.7094731","pdf_url":null,"source":{"id":"https://openalex.org/S4363608593","display_name":"2014 48th Asilomar Conference on Signals, Systems and Computers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 48th Asilomar Conference on Signals, Systems and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.550000011920929,"id":"https://metadata.un.org/sdg/8"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1571865684","https://openalex.org/W1980685205","https://openalex.org/W2063773941","https://openalex.org/W2071707134","https://openalex.org/W2097551077","https://openalex.org/W2118702395","https://openalex.org/W2119523314","https://openalex.org/W2122744491","https://openalex.org/W2127593435","https://openalex.org/W2134383046","https://openalex.org/W2147983238","https://openalex.org/W2152121970","https://openalex.org/W2154354807","https://openalex.org/W2159081591","https://openalex.org/W2164166019","https://openalex.org/W2167447263","https://openalex.org/W2168078104","https://openalex.org/W2168169614","https://openalex.org/W6634207686","https://openalex.org/W6679673323","https://openalex.org/W6681952054"],"related_works":["https://openalex.org/W2169642774","https://openalex.org/W2556201531","https://openalex.org/W2277261328","https://openalex.org/W2167656028","https://openalex.org/W2610471112","https://openalex.org/W2340059876","https://openalex.org/W2900218722","https://openalex.org/W2800372944","https://openalex.org/W2532161418","https://openalex.org/W2769590643"],"abstract_inverted_index":{"Cognitive":[0],"relaying":[1,39],"is":[2,85],"an":[3,52,59],"efficient":[4,60],"method":[5],"for":[6,62],"tackling":[7],"the":[8,20,37,44,72,76,82],"problem":[9],"of":[10,36,81,89],"spectrum":[11],"scarcity":[12],"by":[13,87],"serving":[14],"new":[15],"(secondary)":[16],"users,":[17],"while":[18],"keeping":[19],"existing":[21],"(primary)":[22],"users":[23],"satisfied":[24],"with":[25,40],"their":[26],"service.":[27],"Moreover,":[28],"additional":[29],"gains":[30],"can":[31],"be":[32],"attained":[33],"from":[34],"employment":[35],"two-way":[38,54],"multiple-antenna":[41],"relays":[42],"within":[43],"secondary":[45],"network.":[46,78],"In":[47],"this":[48],"paper,":[49],"we":[50],"consider":[51],"underlay":[53],"cognitive":[55],"network":[56],"and":[57],"propose":[58],"algorithm":[61],"computing":[63],"a":[64],"(nearly)":[65],"optimal":[66],"relay":[67],"precoder":[68],"matrix":[69],"subject":[70],"to":[71],"interference":[73],"constraint":[74],"towards":[75],"primary":[77],"The":[79],"efficiency":[80],"proposed":[83],"solution":[84],"highlighted":[86],"means":[88],"numerical":[90],"simulations.":[91]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}