{"id":"https://openalex.org/W1963737571","doi":"https://doi.org/10.1109/glocom.2013.6831608","title":"Effect of imperfect channel state information on the performance of cognitive multihop relay networks","display_name":"Effect of imperfect channel state information on the performance of cognitive multihop relay networks","publication_year":2013,"publication_date":"2013-12-01","ids":{"openalex":"https://openalex.org/W1963737571","doi":"https://doi.org/10.1109/glocom.2013.6831608","mag":"1963737571"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2013.6831608","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2013.6831608","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Global Communications Conference (GLOBECOM)","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/A5004083201","display_name":"Vo Nguyen Quoc Bao","orcid":"https://orcid.org/0000-0002-1791-6467"},"institutions":[{"id":"https://openalex.org/I4210095603","display_name":"Vietnam Posts and Telecommunications Group (Vietnam)","ror":"https://ror.org/00q0e7f94","country_code":"VN","type":"company","lineage":["https://openalex.org/I4210095603"]},{"id":"https://openalex.org/I4400600977","display_name":"Posts and Telecommunications Institute of Technology","ror":"https://ror.org/0363rtq22","country_code":null,"type":"education","lineage":["https://openalex.org/I4400600977"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Vo Nguyen Quoc Bao","raw_affiliation_strings":["Posts and Telecommunications Institute of Technology, Vietnam","[Posts and Telecommunications Institute of Technology, Vietnam]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Posts and Telecommunications Institute of Technology, Vietnam","institution_ids":["https://openalex.org/I4210095603","https://openalex.org/I4400600977"]},{"raw_affiliation_string":"[Posts and Telecommunications Institute of Technology, Vietnam]","institution_ids":["https://openalex.org/I4210095603","https://openalex.org/I4400600977"]}]},{"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/I52719799","display_name":"Blekinge Institute of Technology","ror":"https://ror.org/0093a8w51","country_code":"SE","type":"education","lineage":["https://openalex.org/I52719799"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Trung Q. Duong","raw_affiliation_strings":["Blekinge Institute of Technology, Sweden","[Blekinge Institute of Technology, Sweden]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Blekinge Institute of Technology, Sweden","institution_ids":["https://openalex.org/I52719799"]},{"raw_affiliation_string":"[Blekinge Institute of Technology, Sweden]","institution_ids":["https://openalex.org/I52719799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002265731","display_name":"Arumugam Nallanathan","orcid":"https://orcid.org/0000-0001-8337-5884"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. Nallanathan","raw_affiliation_strings":["King's College, London, United Kingdom","King's College London UNITED KINGDOM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King's College, London, United Kingdom","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"King's College London UNITED KINGDOM","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060881187","display_name":"Chintha Tellambura","orcid":"https://orcid.org/0000-0002-9419-7195"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chintha Tellambura","raw_affiliation_strings":["University of Alberta, Edmonton, AB, Canada","University of Alberta, Edmonton, Canada, T6G 2V4"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"University of Alberta, Edmonton, Canada, T6G 2V4","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3458","last_page":"3463"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998000264167786,"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":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9969000220298767,"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":0.7653577327728271},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7649135589599609},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.7481237649917603},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.7079472541809082},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6214926838874817},{"id":"https://openalex.org/keywords/cognitive-network","display_name":"Cognitive network","score":0.5837209224700928},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5336212515830994},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5291203260421753},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.510791540145874},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5044575929641724},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4801875352859497},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.47205501794815063},{"id":"https://openalex.org/keywords/imperfect","display_name":"Imperfect","score":0.47173821926116943},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.41892626881599426},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3608393669128418},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.313135027885437},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.28970757126808167},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2498045265674591},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12550577521324158}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7653577327728271},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7649135589599609},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7481237649917603},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.7079472541809082},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6214926838874817},{"id":"https://openalex.org/C32542511","wikidata":"https://www.wikidata.org/wiki/Q5141225","display_name":"Cognitive network","level":4,"score":0.5837209224700928},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5336212515830994},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5291203260421753},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.510791540145874},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5044575929641724},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4801875352859497},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.47205501794815063},{"id":"https://openalex.org/C2780310539","wikidata":"https://www.wikidata.org/wiki/Q12547192","display_name":"Imperfect","level":2,"score":0.47173821926116943},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.41892626881599426},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3608393669128418},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.313135027885437},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.28970757126808167},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2498045265674591},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12550577521324158},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/glocom.2013.6831608","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2013.6831608","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:kclpure.kcl.ac.uk:publications/02bcb42f-d335-4648-ab50-074045460549","is_oa":false,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=84904093283&partnerID=8YFLogxK","pdf_url":null,"source":{"id":"https://openalex.org/S4306400216","display_name":"Research Portal (King's College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I183935753","host_organization_name":"King's College London","host_organization_lineage":["https://openalex.org/I183935753"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Bao , V N Q , Duong , T Q , Nallanathan , A &amp; Tellambura , C 2013 , Effect of imperfect channel state information on the performance of cognitive multihop relay networks . in GLOBECOM - IEEE Global Telecommunications Conference . , 6831608 , pp. 3458-3463 , 2013 IEEE Global Communications Conference, GLOBECOM 2013 , Atlanta, GA , United States , 9/12/2013 . https://doi.org/10.1109/GLOCOM.2013.6831608","raw_type":"contributionToPeriodical"},{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/e11c5efc-c635-49e0-b1fc-c674315954d8","is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/e11c5efc-c635-49e0-b1fc-c674315954d8","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":"Bao, V N Q, Duong, T Q, Nallanathan, A & Tellambura, C 2013, Effect of Imperfect Channel State Information on the Performance of Cognitive Multihop Relay Networks. in Proc. of IEEE Global Communications Conference (GLOBECOM'13). Atlanta, GA.","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4000000059604645,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1488862788","https://openalex.org/W1667165204","https://openalex.org/W1974850670","https://openalex.org/W2003169309","https://openalex.org/W2016064410","https://openalex.org/W2021625827","https://openalex.org/W2038357739","https://openalex.org/W2053717053","https://openalex.org/W2072196484","https://openalex.org/W2096647193","https://openalex.org/W2097820129","https://openalex.org/W2101166004","https://openalex.org/W2157005274","https://openalex.org/W2166689316","https://openalex.org/W2168078104","https://openalex.org/W2801179766","https://openalex.org/W3008609509","https://openalex.org/W4214683347","https://openalex.org/W4300223101","https://openalex.org/W4301253858"],"related_works":["https://openalex.org/W1965566556","https://openalex.org/W2277261328","https://openalex.org/W301676527","https://openalex.org/W2167656028","https://openalex.org/W2610471112","https://openalex.org/W2340059876","https://openalex.org/W2595297530","https://openalex.org/W2900218722","https://openalex.org/W2800372944","https://openalex.org/W2010464513"],"abstract_inverted_index":{"Cognitive":[0],"relay":[1,25],"technology":[2],"has":[3],"been":[4],"envisioned":[5],"as":[6],"a":[7,59],"promising":[8],"transmission":[9],"scheme":[10],"to":[11],"enhance":[12],"the":[13,21,31,45,51,95,98],"reliability":[14],"and":[15,71,77,105],"coverage":[16],"of":[17,23,33,47,53,100,107],"secondary":[18,103],"networks.":[19,110],"However,":[20],"performance":[22,52],"cognitive":[24,54,108],"networks":[26,56],"(CRNs)":[27],"is":[28],"limited":[29],"by":[30,57],"lack":[32],"accurate":[34],"channel":[35],"state":[36],"information":[37],"(CSI).":[38],"As":[39],"such,":[40],"this":[41],"paper":[42],"adequately":[43],"addresses":[44],"impact":[46],"imperfect":[48],"CSI":[49],"on":[50],"multihop":[55,109],"proposing":[58],"simple":[60],"yet":[61],"effective":[62],"backoff":[63],"control":[64],"power":[65],"method.":[66],"In":[67],"addition,":[68],"novel":[69],"exact":[70],"asymptotic":[72],"expressions":[73],"for":[74,102],"outage":[75],"probability":[76],"ergodic":[78],"capacity":[79],"over":[80],"Rayleigh":[81],"fading":[82],"channels":[83],"are":[84],"also":[85],"derived.":[86],"These":[87],"tractable":[88],"analytical":[89],"results":[90],"reveal":[91],"new":[92],"insight":[93],"into":[94],"design,":[96],"e.g.,":[97],"number":[99],"hops":[101],"network,":[104],"optimization":[106]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
