{"id":"https://openalex.org/W1977743770","doi":"https://doi.org/10.1109/afrcon.2011.6072108","title":"A cognitive radio application of OM-OFDM for implementation in DVB-T2","display_name":"A cognitive radio application of OM-OFDM for implementation in DVB-T2","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W1977743770","doi":"https://doi.org/10.1109/afrcon.2011.6072108","mag":"1977743770"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2011.6072108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072108","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":"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/A5079953174","display_name":"Kahesh Dhuness","orcid":null},"institutions":[{"id":"https://openalex.org/I69552723","display_name":"University of Pretoria","ror":"https://ror.org/00g0p6g84","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"K. Dhuness","raw_affiliation_strings":["Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa","Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa","institution_ids":["https://openalex.org/I69552723"]},{"raw_affiliation_string":"Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa#TAB#","institution_ids":["https://openalex.org/I69552723"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004802818","display_name":"B. T. Maharaj","orcid":"https://orcid.org/0000-0002-3703-3637"},"institutions":[{"id":"https://openalex.org/I69552723","display_name":"University of Pretoria","ror":"https://ror.org/00g0p6g84","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"B. T. Maharaj","raw_affiliation_strings":["Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa","Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa","institution_ids":["https://openalex.org/I69552723"]},{"raw_affiliation_string":"Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa#TAB#","institution_ids":["https://openalex.org/I69552723"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I69552723"],"apc_list":null,"apc_paid":null,"fwci":0.572,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.56618814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"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/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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9991999864578247,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.998199999332428,"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":0.6317911148071289},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.59577876329422},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4478309750556946},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44476425647735596},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42712414264678955},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3129713535308838},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.22653120756149292},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.21525022387504578}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6317911148071289},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.59577876329422},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4478309750556946},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44476425647735596},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42712414264678955},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3129713535308838},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.22653120756149292},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.21525022387504578}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2011.6072108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072108","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":[{"score":0.8899999856948853,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1512063313","https://openalex.org/W2072196484","https://openalex.org/W2084436032","https://openalex.org/W2155999145","https://openalex.org/W2164701487","https://openalex.org/W2498739743","https://openalex.org/W4230587399","https://openalex.org/W7061742747"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W2136943174","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W1968709058","https://openalex.org/W2095246866","https://openalex.org/W2107126738","https://openalex.org/W4246064491"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"the":[3,18,31,46,54,73,116,123],"authors":[4],"have":[5],"proposed":[6],"using":[7,70],"offset":[8],"modulation":[9],"(OM-OFDM)":[10],"for":[11,45,61,138],"cognitive":[12],"radio":[13],"applications.":[14],"An":[15],"examination":[16],"of":[17,21,48,56,136],"spectrum":[19],"characteristics":[20,98],"an":[22,62,91,100,118,125],"OM-OFDM":[23,74,119],"transmission":[24,102,120,127],"demonstrates":[25],"its":[26],"strong":[27],"detection":[28,35,51,97],"characteristics.":[29],"Thereafter":[30],"methodology":[32],"behind":[33],"energy":[34,71],"is":[36,66,76,121,128],"discussed,":[37],"and":[38,53],"a":[39,49,57,81,131],"simplified":[40],"theoretical":[41],"closed":[42],"form":[43],"expression":[44],"probability":[47,55],"missed":[50],"(Pmd)":[52],"false":[58],"alarm":[59],"(Pfa)":[60],"unknown":[63],"deterministic":[64],"signal":[65],"derived.":[67],"Then,":[68],"by":[69],"detection,":[72],"method":[75],"shown":[77],"to":[78],"operate":[79],"at":[80],"15":[82],"dB":[83],"lower":[84],"average":[85,134],"signal-to-noise":[86],"ratio":[87],"(SNR)":[88],"value":[89],"than":[90],"OFDM":[92,101,126],"transmission,":[93],"while":[94],"offering":[95],"similar":[96],"as":[99],"under":[103],"Rayleigh":[104,139],"fading":[105,140],"conditions.":[106,141],"The":[107],"receiver":[108],"operating":[109],"characteristic":[110],"curves":[111],"in":[112],"addition":[113],"indicate":[114],"that":[115],"Pmdfor":[117,124],"1.3\u00d710-1and":[122],"0.85":[129],"(at":[130],"Pfa=":[132],"10-1and":[133],"SNR":[135],"-5dB)":[137]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}