{"id":"https://openalex.org/W2150027011","doi":"https://doi.org/10.1109/glocom.2010.5683357","title":"Impact of Noise Power Uncertainty on Cooperative Spectrum Sensing in Cognitive Radio Systems","display_name":"Impact of Noise Power Uncertainty on Cooperative Spectrum Sensing in Cognitive Radio Systems","publication_year":2010,"publication_date":"2010-12-01","ids":{"openalex":"https://openalex.org/W2150027011","doi":"https://doi.org/10.1109/glocom.2010.5683357","mag":"2150027011"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2010.5683357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683357","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Global Telecommunications Conference GLOBECOM 2010","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/A5051163649","display_name":"Karama Hamdi","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Karama Hamdi","raw_affiliation_strings":["ECE Department, The Hong Kong University of Science and Technology, Kowloon, Hong Kong"],"affiliations":[{"raw_affiliation_string":"ECE Department, The Hong Kong University of Science and Technology, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112174306","display_name":"Xiang Nian Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xiang Nian Zeng","raw_affiliation_strings":["ECE Department, Concordia University, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"ECE Department, Concordia University, Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014049864","display_name":"Ali Ghrayeb","orcid":"https://orcid.org/0000-0002-6808-5886"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ali Ghrayeb","raw_affiliation_strings":["ECE Department, Concordia University, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"ECE Department, Concordia University, Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079052203","display_name":"Khaled B. Letaief","orcid":"https://orcid.org/0000-0003-2519-6401"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Khaled Ben Letaief","raw_affiliation_strings":["ECE Department, The Hong Kong University of Science and Technology, Kowloon, Hong Kong"],"affiliations":[{"raw_affiliation_string":"ECE Department, The Hong Kong University of Science and Technology, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5051163649"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":4.0979,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.94330264,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9983000159263611,"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":0.9894999861717224,"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/cognitive-radio","display_name":"Cognitive radio","score":0.9044656753540039},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.8830004930496216},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.7809621691703796},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6693603992462158},{"id":"https://openalex.org/keywords/noise-power","display_name":"Noise power","score":0.6451493501663208},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5599800944328308},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4850563108921051},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3128136992454529},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3120300769805908},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18698692321777344},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15087461471557617},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14823180437088013},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13455119729042053}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.9044656753540039},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.8830004930496216},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.7809621691703796},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6693603992462158},{"id":"https://openalex.org/C203234222","wikidata":"https://www.wikidata.org/wiki/Q2133519","display_name":"Noise power","level":3,"score":0.6451493501663208},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5599800944328308},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4850563108921051},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3128136992454529},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3120300769805908},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18698692321777344},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15087461471557617},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14823180437088013},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13455119729042053},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2010.5683357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683357","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Global Telecommunications Conference GLOBECOM 2010","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-47240","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-47240","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.6700000166893005}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1525038591","https://openalex.org/W2038809151","https://openalex.org/W2105313219","https://openalex.org/W2134049434","https://openalex.org/W2135115617","https://openalex.org/W2136816673","https://openalex.org/W2145197862","https://openalex.org/W2152447715","https://openalex.org/W2157005274","https://openalex.org/W2165202277","https://openalex.org/W2172139273","https://openalex.org/W3008609509","https://openalex.org/W6660020378"],"related_works":["https://openalex.org/W2034619563","https://openalex.org/W1644717624","https://openalex.org/W2005611286","https://openalex.org/W1966535600","https://openalex.org/W3214387023","https://openalex.org/W3014790571","https://openalex.org/W2548671708","https://openalex.org/W2023558378","https://openalex.org/W2140434778","https://openalex.org/W2125127331"],"abstract_inverted_index":{"One":[0],"of":[1,24,32,55,67,135],"the":[2,12,22,25,30,47,53,56,65,78,92,118,128,132,136],"main":[3],"challenges":[4],"in":[5,11,35,64],"cognitive":[6],"radio":[7],"(CR)":[8],"communications":[9],"lies":[10],"system":[13],"robustness":[14,133],"to":[15,112,126],"uncertainties.":[16,69,100],"In":[17],"this":[18],"paper,":[19],"we":[20,51],"examine":[21],"impact":[23],"noise":[26,68,98,113],"power":[27,99],"uncertainty":[28],"on":[29,88],"performance":[31,54],"various":[33],"detectors":[34,63,75],"CR":[36,44,49,94],"networks.":[37],"We":[38,80,101],"consider":[39],"both":[40,74],"single":[41,48],"and":[42,58,115,130],"multiple":[43],"nodes.":[45],"For":[46],"case,":[50],"compare":[52],"energy":[57],"likelihood":[59],"ratio":[60],"test":[61],"(LRT)":[62],"presence":[66],"It":[70],"is":[71,109],"shown":[72],"that":[73,108],"perform":[76],"about":[77],"same.":[79],"shall":[81],"also":[82],"investigate":[83],"cooperative":[84],"spectrum":[85],"sensing":[86],"based":[87],"soft-information":[89],"combining,":[90],"where":[91],"cooperating":[93],"nodes":[95],"experience":[96],"different":[97],"then":[102],"propose":[103],"a":[104],"simple":[105],"detection":[106,120,138],"scheme":[107],"more":[110],"robust":[111],"variations":[114],"uncertainties":[116],"than":[117],"conventional":[119],"schemes.":[121],"Numerical":[122],"results":[123],"are":[124],"presented":[125],"verify":[127],"theory":[129],"demonstrate":[131],"improvement":[134],"proposed":[137],"scheme.":[139]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2016,"cited_by_count":5},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":5}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}