{"id":"https://openalex.org/W2011801490","doi":"https://doi.org/10.1109/afrcon.2011.6072038","title":"Spectrum sensing for cognitive radio networks: The need for cross-layer design approach for multimedia applications","display_name":"Spectrum sensing for cognitive radio networks: The need for cross-layer design approach for multimedia applications","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2011801490","doi":"https://doi.org/10.1109/afrcon.2011.6072038","mag":"2011801490"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2011.6072038","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072038","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","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/A5042466652","display_name":"John Andrew. Msumba","orcid":null},"institutions":[{"id":"https://openalex.org/I95023434","display_name":"University of KwaZulu-Natal","ror":"https://ror.org/04qzfn040","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"J.A. Msumba","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","School of Electrical, Electronic and Computer Engineering, University of Kwazulu-Natal, Durban, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]},{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Kwazulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008085582","display_name":"Hongjun Xu","orcid":"https://orcid.org/0000-0002-5768-1965"},"institutions":[{"id":"https://openalex.org/I95023434","display_name":"University of KwaZulu-Natal","ror":"https://ror.org/04qzfn040","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"H.J. Xu","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","School of Electrical, Electronic and Computer Engineering, University of Kwazulu-Natal, Durban, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]},{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Kwazulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5042466652"],"corresponding_institution_ids":["https://openalex.org/I95023434"],"apc_list":null,"apc_paid":null,"fwci":0.73376599,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.71174332,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"2010","issue":null,"first_page":"1","last_page":"6"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9965999722480774,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9952999949455261,"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/cognitive-radio","display_name":"Cognitive radio","score":0.9450145959854126},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7578198909759521},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.6587314009666443},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5767493844032288},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5473189949989319},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5033940672874451},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4814971685409546},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.47519052028656006},{"id":"https://openalex.org/keywords/radio-frequency-engineering","display_name":"Radio-frequency engineering","score":0.46747398376464844},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4269936978816986},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4255574345588684},{"id":"https://openalex.org/keywords/remote-radio-head","display_name":"Remote radio head","score":0.32034772634506226}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.9450145959854126},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7578198909759521},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.6587314009666443},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5767493844032288},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5473189949989319},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5033940672874451},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4814971685409546},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.47519052028656006},{"id":"https://openalex.org/C205523678","wikidata":"https://www.wikidata.org/wiki/Q1363977","display_name":"Radio-frequency engineering","level":5,"score":0.46747398376464844},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4269936978816986},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4255574345588684},{"id":"https://openalex.org/C101541887","wikidata":"https://www.wikidata.org/wiki/Q1555675","display_name":"Remote radio head","level":4,"score":0.32034772634506226},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2011.6072038","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072038","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2033147522","https://openalex.org/W2065715415","https://openalex.org/W2121161215","https://openalex.org/W2124531909","https://openalex.org/W2127040151","https://openalex.org/W2131552779","https://openalex.org/W2137692850","https://openalex.org/W2145197862","https://openalex.org/W2162787948","https://openalex.org/W2168078104","https://openalex.org/W3150751370","https://openalex.org/W6666776182","https://openalex.org/W6684157937"],"related_works":["https://openalex.org/W2136958449","https://openalex.org/W2541724026","https://openalex.org/W1989642027","https://openalex.org/W3118428040","https://openalex.org/W2319779057","https://openalex.org/W2981028129","https://openalex.org/W4235820682","https://openalex.org/W2079465364","https://openalex.org/W1973979964","https://openalex.org/W1999655326"],"abstract_inverted_index":{"Inefficient":[0],"use":[1,7],"of":[2,8,45,60,76],"radio":[3,10,16,23,42,50,63,132],"spectrum":[4,17,90,97,108,115],"necessitates":[5],"the":[6,14,28,56,61,74,86],"cognitive":[9,22,49,62,131],"technology":[11],"to":[12,25,34,37,55,72],"exploit":[13],"underutilized":[15],"opportunistically.":[18],"Spectrum":[19],"sensing":[20,98,109],"enables":[21],"user":[24,39],"continuously":[26],"sense":[27],"channel":[29],"before":[30],"accessing":[31],"in":[32,48,114,138],"order":[33],"avoid":[35],"interference":[36],"licensed":[38],"and":[40,92,101],"other":[41],"systems.":[43],"Most":[44],"existing":[46],"research":[47,67],"had":[51],"been":[52],"mainly":[53],"dedicated":[54],"physical":[57,77],"layer":[58,78,82,123],"aspect":[59],"design.":[64],"Recently,":[65],"some":[66],"efforts":[68],"were":[69],"carried":[70],"out":[71],"investigate":[73],"impact":[75],"information":[79],"on":[80],"upper":[81],"performance.":[83],"We":[84,104],"review":[85],"conventional":[87],"energy":[88],"detection":[89],"sensing,":[91],"a":[93,121],"cooperative":[94,107],"relay":[95],"diversity-based":[96],"using":[99],"amplify":[100],"forward":[102],"protocol.":[103],"also":[105],"discuss":[106],"where":[110],"multiuser":[111],"are":[112],"involved":[113],"sensing.":[116],"Finally":[117],"we":[118],"briefly":[119],"present":[120],"cross":[122],"design":[124],"approach":[125],"proposal":[126],"for":[127],"multimedia":[128],"transmission":[129],"over":[130],"networks":[133],"framework":[134],"as":[135],"our":[136],"work":[137],"progress.":[139]},"counts_by_year":[{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
