{"id":"https://openalex.org/W2291614022","doi":"https://doi.org/10.1109/glocom.2014.7417821","title":"PSINR-Based Precoding for K-User MISO Interference Channels with a Cognitive Relay","display_name":"PSINR-Based Precoding for K-User MISO Interference Channels with a Cognitive Relay","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W2291614022","doi":"https://doi.org/10.1109/glocom.2014.7417821","mag":"2291614022"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2014.7417821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417821","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":"2015 IEEE Global Communications Conference (GLOBECOM)","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/A5035122370","display_name":"Hun Min Shin","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hun Min Shin","raw_affiliation_strings":["School of Electrical Eng., Korea University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111771738","display_name":"Sang-Rim Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I4210131320","display_name":"LG (South Korea)","ror":"https://ror.org/03ddh2c27","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210131320"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sang-Rim Lee","raw_affiliation_strings":["LG Electronics, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"LG Electronics, Seoul, Korea","institution_ids":["https://openalex.org/I4210131320"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005926359","display_name":"Han-Bae Kong","orcid":"https://orcid.org/0000-0003-2856-7060"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Han-Bae Kong","raw_affiliation_strings":["School of Electrical Eng., Korea University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100697614","display_name":"Inkyu Lee","orcid":"https://orcid.org/0000-0003-3701-4433"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Inkyu Lee","raw_affiliation_strings":["School of Electrical Eng., Korea University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, Korea","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5035122370"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":0.3049,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56597015,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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":0.9993000030517578,"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/relay","display_name":"Relay","score":0.7863472700119019},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7654545307159424},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.7212127447128296},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6628944873809814},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6063591241836548},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5990703701972961},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.5654721260070801},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5420303344726562},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.5319398045539856},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.5313098430633545},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5310224890708923},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.521072506904602},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5104274153709412},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4536828100681305},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4143928587436676},{"id":"https://openalex.org/keywords/performance-metric","display_name":"Performance metric","score":0.41315871477127075},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3830804228782654},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3427315652370453},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26039865612983704},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16440635919570923},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15389826893806458},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.15111318230628967},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08489000797271729}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7863472700119019},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7654545307159424},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.7212127447128296},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6628944873809814},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6063591241836548},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5990703701972961},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.5654721260070801},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5420303344726562},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.5319398045539856},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.5313098430633545},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5310224890708923},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.521072506904602},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5104274153709412},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4536828100681305},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4143928587436676},{"id":"https://openalex.org/C2780898871","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Performance metric","level":2,"score":0.41315871477127075},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3830804228782654},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3427315652370453},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26039865612983704},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16440635919570923},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15389826893806458},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.15111318230628967},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08489000797271729},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2014.7417821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417821","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":"2015 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1984088730","https://openalex.org/W1996215314","https://openalex.org/W2007309003","https://openalex.org/W2048581882","https://openalex.org/W2065951167","https://openalex.org/W2079366178","https://openalex.org/W2086177502","https://openalex.org/W2122347463","https://openalex.org/W2122744491","https://openalex.org/W2124301782","https://openalex.org/W2147021066","https://openalex.org/W2157338774","https://openalex.org/W2159620355","https://openalex.org/W2163601173","https://openalex.org/W2169851731","https://openalex.org/W2271221198","https://openalex.org/W2547875378","https://openalex.org/W2763577145"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W4386858283","https://openalex.org/W3190864439","https://openalex.org/W1979957996","https://openalex.org/W1993945082"],"abstract_inverted_index":{"In":[0],"this":[1,121],"paper,":[2],"we":[3,30,87,127],"consider":[4],"K-user":[5],"multiple-input":[6],"single-output":[7],"interference":[8],"channels":[9],"with":[10,39,169],"a":[11,32,61,65,72,90,129,137],"cognitive":[12,28,37,94],"relay.":[13],"Assuming":[14],"that":[15,157],"data":[16],"of":[17,42,67],"all":[18,52,116],"transmitters":[19],"and":[20,69,134,147],"channel":[21],"state":[22],"information":[23],"are":[24],"known":[25],"at":[26,51,92],"the":[27,36,40,44,48,57,83,93,98,108,143,148,158,165],"relay,":[29],"design":[31,139],"linear":[33],"precoder":[34,91,138],"for":[35],"relay":[38,95],"aim":[41],"maximizing":[43],"sum-rate":[45,110],"without":[46],"changing":[47],"transmitter":[49],"operations":[50],"transmitters.":[53],"We":[54],"first":[55],"define":[56],"receiver":[58,84,104,118],"set":[59,62,105,131,150],"as":[60],"which":[63,106],"contains":[64],"part":[66],"receivers,":[68],"then":[70],"present":[71],"performance":[73,162],"metric":[74],"called":[75],"\"partial":[76],"signal-to-":[77],"interference-plus-noise":[78],"ratio\"":[79],"(PSINR)":[80],"based":[81],"on":[82],"set.":[85],"Then,":[86],"can":[88,111],"obtain":[89],"by":[96,114,141],"solving":[97],"PSINR":[99,144],"maximization":[100,145],"problem.":[101],"The":[102],"optimal":[103],"yields":[107],"maximum":[109],"be":[112],"identified":[113],"checking":[115],"possible":[117],"sets.":[119],"Since":[120],"exhaustive":[122],"search":[123,132,151],"has":[124],"prohibitive":[125],"complexity,":[126],"introduce":[128],"greedy":[130,149],"method":[133,168],"finally":[135],"propose":[136],"scheme":[140,160],"combining":[142],"problem":[146],"method.":[152],"Numerical":[153],"simulation":[154],"results":[155],"confirm":[156],"proposed":[159],"shows":[161],"close":[163],"to":[164],"projected":[166],"gradient":[167],"reduced":[170],"complexity.":[171]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}