{"id":"https://openalex.org/W2091374416","doi":"https://doi.org/10.1109/icc.2014.6884003","title":"Multiuser cognitive relay networks in the presence of direct links","display_name":"Multiuser cognitive relay networks in the presence of direct links","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2091374416","doi":"https://doi.org/10.1109/icc.2014.6884003","mag":"2091374416"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2014.6884003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2014.6884003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Communications (ICC)","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/A5028336223","display_name":"Xianfu Lei","orcid":"https://orcid.org/0000-0001-5229-458X"},"institutions":[{"id":"https://openalex.org/I121980950","display_name":"Utah State University","ror":"https://ror.org/00h6set76","country_code":"US","type":"education","lineage":["https://openalex.org/I121980950"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xianfu Lei","raw_affiliation_strings":["Department of Electrical & Computer Engineering, Utah State University, USA","Dept. of Electr. & Comput Eng., Utah State Univ., Logan, UT, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical & Computer Engineering, Utah State University, USA","institution_ids":["https://openalex.org/I121980950"]},{"raw_affiliation_string":"Dept. of Electr. & Comput Eng., Utah State Univ., Logan, UT, USA","institution_ids":["https://openalex.org/I121980950"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057118326","display_name":"Rose Qingyang Hu","orcid":"https://orcid.org/0000-0002-1571-3631"},"institutions":[{"id":"https://openalex.org/I121980950","display_name":"Utah State University","ror":"https://ror.org/00h6set76","country_code":"US","type":"education","lineage":["https://openalex.org/I121980950"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rose Qingyang Hu","raw_affiliation_strings":["Department of Electrical & Computer Engineering, Utah State University, USA","Dept. of Electr. & Comput Eng., Utah State Univ., Logan, UT, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical & Computer Engineering, Utah State University, USA","institution_ids":["https://openalex.org/I121980950"]},{"raw_affiliation_string":"Dept. of Electr. & Comput Eng., Utah State Univ., Logan, UT, USA","institution_ids":["https://openalex.org/I121980950"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049089848","display_name":"Trung Q. Duong","orcid":"https://orcid.org/0000-0002-4703-4836"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Trung Q. Duong","raw_affiliation_strings":["Queen's University Belfast, UK","[Queen''s University Belfast, Belfast, UK]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen's University Belfast, UK","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"[Queen''s University Belfast, Belfast, UK]","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037957923","display_name":"Lisheng Fan","orcid":"https://orcid.org/0000-0002-9783-1366"},"institutions":[{"id":"https://openalex.org/I32574673","display_name":"Shantou University","ror":"https://ror.org/01a099706","country_code":"CN","type":"education","lineage":["https://openalex.org/I32574673"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lisheng Fan","raw_affiliation_strings":["Department of Electronic Engineering, Shantou University, Shantou, China","National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shantou University, Shantou, China","institution_ids":["https://openalex.org/I32574673"]},{"raw_affiliation_string":"National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015335741","display_name":"Maged Elkashlan","orcid":"https://orcid.org/0000-0002-5168-0160"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Maged Elkashlan","raw_affiliation_strings":["Queen Mary, University of London, London, United Kingdom","Queen Mary University of London, London, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen Mary, University of London, London, United Kingdom","institution_ids":["https://openalex.org/I166337079"]},{"raw_affiliation_string":"Queen Mary University of London, London, UK#TAB#","institution_ids":["https://openalex.org/I166337079"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4342","last_page":"4347"},"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":0.9997000098228455,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9987999796867371,"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":0.8910989761352539},{"id":"https://openalex.org/keywords/outage-probability","display_name":"Outage probability","score":0.6986018419265747},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6555348038673401},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.6528258919715881},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6521533727645874},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.6109026074409485},{"id":"https://openalex.org/keywords/secondary-source","display_name":"Secondary source","score":0.6021438241004944},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5430999398231506},{"id":"https://openalex.org/keywords/coverage-probability","display_name":"Coverage probability","score":0.42906254529953003},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.4181390404701233},{"id":"https://openalex.org/keywords/asymptotic-analysis","display_name":"Asymptotic analysis","score":0.4135046601295471},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3332241177558899},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3151608109474182},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19310623407363892},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.1929505169391632},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.17607271671295166},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14998215436935425},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12873202562332153},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.12444847822189331},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08703687787055969}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8910989761352539},{"id":"https://openalex.org/C2778258436","wikidata":"https://www.wikidata.org/wiki/Q30672262","display_name":"Outage probability","level":4,"score":0.6986018419265747},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6555348038673401},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.6528258919715881},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6521533727645874},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.6109026074409485},{"id":"https://openalex.org/C82979123","wikidata":"https://www.wikidata.org/wiki/Q905511","display_name":"Secondary source","level":2,"score":0.6021438241004944},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5430999398231506},{"id":"https://openalex.org/C2776292839","wikidata":"https://www.wikidata.org/wiki/Q5179217","display_name":"Coverage probability","level":3,"score":0.42906254529953003},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.4181390404701233},{"id":"https://openalex.org/C205147927","wikidata":"https://www.wikidata.org/wiki/Q752718","display_name":"Asymptotic analysis","level":2,"score":0.4135046601295471},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3332241177558899},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3151608109474182},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19310623407363892},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.1929505169391632},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.17607271671295166},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14998215436935425},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12873202562332153},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.12444847822189331},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08703687787055969},{"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/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc.2014.6884003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2014.6884003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/7b1e2a91-5252-4770-8cdf-50f95881021b","is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/7b1e2a91-5252-4770-8cdf-50f95881021b","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lei , X , Hu , R Q , Duong , T Q , Fan , L &amp; Elkashlan , M 2014 , Multiuser Cognitive Relay Networks in the Presence of Direct Links . in A Jamalipour &amp; D-J Deng (eds) , Communications (ICC), 2014 IEEE International Conference on . Institute of Electrical and Electronics Engineers Inc. , pp. 4342-4347 . https://doi.org/10.1109/ICC.2014.6884003","raw_type":"contributionToPeriodical"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1972485395","https://openalex.org/W1996923433","https://openalex.org/W2061687317","https://openalex.org/W2071707134","https://openalex.org/W2072577414","https://openalex.org/W2127593435","https://openalex.org/W2133072340","https://openalex.org/W2136133623","https://openalex.org/W2152121970","https://openalex.org/W2155782306","https://openalex.org/W2156817707","https://openalex.org/W2163068306","https://openalex.org/W2163499405","https://openalex.org/W2166621948","https://openalex.org/W6649452684"],"related_works":["https://openalex.org/W2540518288","https://openalex.org/W3040871172","https://openalex.org/W2895876902","https://openalex.org/W2741688587","https://openalex.org/W1604893634","https://openalex.org/W2091374416","https://openalex.org/W2104034658","https://openalex.org/W2131268645","https://openalex.org/W2025578455","https://openalex.org/W2588635753"],"abstract_inverted_index":{"In":[0,18],"this":[1,19],"paper,":[2],"we":[3,60,109],"investigate":[4],"a":[5,28],"multiuser":[6],"cognitive":[7],"relay":[8],"network":[9],"with":[10,27],"direct":[11,44],"source-destination":[12],"links":[13,45],"and":[14,53,88,105,118],"multiple":[15,21],"primary":[16,52],"destinations.":[17,55],"network,":[20],"secondary":[22,29,48,54,64,75],"users":[23,49],"compete":[24],"to":[25,50,66,124],"communicate":[26],"destination":[30],"assisted":[31],"by":[32],"an":[33,80,91],"amplify-and-forward":[34],"(AF)":[35],"relay.":[36],"We":[37,77],"take":[38],"into":[39,113],"account":[40],"the":[41,47,51,57,68,74,85,102,106,114,126],"availability":[42],"of":[43,84,94],"from":[46],"For":[56],"considered":[58],"system,":[59],"select":[61],"one":[62],"best":[63],"user":[65],"maximize":[67],"received":[69],"signal-to-noise":[70],"ratio":[71],"(SNR)":[72],"at":[73],"destination.":[76],"first":[78],"derive":[79],"accurate":[81],"lower":[82,103],"bound":[83,104],"outage":[86,95],"probability,":[87],"then":[89],"provide":[90],"asymptotic":[92,107],"expression":[93],"probability":[96],"in":[97],"high":[98],"SNR":[99],"region.":[100],"From":[101],"expressions,":[108],"obtain":[110],"several":[111],"insights":[112],"system":[115],"design.":[116],"Numerical":[117],"simulation":[119],"results":[120],"are":[121],"finally":[122],"demonstrated":[123],"verify":[125],"proposed":[127],"studies.":[128]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
