{"id":"https://openalex.org/W2768898216","doi":"https://doi.org/10.1109/afrcon.2017.8095487","title":"Narrowband signal detection in OFDM systems using spectral shaping techniques","display_name":"Narrowband signal detection in OFDM systems using spectral shaping techniques","publication_year":2017,"publication_date":"2017-09-01","ids":{"openalex":"https://openalex.org/W2768898216","doi":"https://doi.org/10.1109/afrcon.2017.8095487","mag":"2768898216"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2017.8095487","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2017.8095487","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE AFRICON","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/A5029294450","display_name":"Martin Trollip","orcid":null},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Martin Trollip","raw_affiliation_strings":["University of Johannesburg, Johannesburg, South Africa"],"affiliations":[{"raw_affiliation_string":"University of Johannesburg, Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089836379","display_name":"Khmaies Ouahada","orcid":null},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Khmaies Ouahada","raw_affiliation_strings":["University of Johannesburg, Johannesburg, South Africa"],"affiliations":[{"raw_affiliation_string":"University of Johannesburg, Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060821423","display_name":"T. Imoto","orcid":null},"institutions":[{"id":"https://openalex.org/I4210088637","display_name":"Soka University","ror":"https://ror.org/003qdfg20","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210088637"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshiaki Imoto","raw_affiliation_strings":["SOKA University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"SOKA University, Tokyo, Japan","institution_ids":["https://openalex.org/I4210088637"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5029294450"],"corresponding_institution_ids":["https://openalex.org/I24027795"],"apc_list":null,"apc_paid":null,"fwci":0.1433,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.52646903,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"6","issue":null,"first_page":"232","last_page":"237"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9998000264167786,"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":0.9994000196456909,"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/narrowband","display_name":"Narrowband","score":0.906423032283783},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8499268889427185},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.7199835181236267},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6555154323577881},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.6051661968231201},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5378562211990356},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.4808131456375122},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4474331736564636},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3153458833694458},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1993602216243744}],"concepts":[{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.906423032283783},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8499268889427185},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.7199835181236267},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6555154323577881},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6051661968231201},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5378562211990356},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.4808131456375122},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4474331736564636},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3153458833694458},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1993602216243744},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2017.8095487","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2017.8095487","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE AFRICON","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1484915029","https://openalex.org/W1575463766","https://openalex.org/W1653074524","https://openalex.org/W2067562988","https://openalex.org/W2069754259","https://openalex.org/W2073563292","https://openalex.org/W2077822561","https://openalex.org/W2098046554","https://openalex.org/W2106822551","https://openalex.org/W2109410952","https://openalex.org/W2122541069","https://openalex.org/W2127200591","https://openalex.org/W2140932347","https://openalex.org/W2162156625","https://openalex.org/W2166495178","https://openalex.org/W2543950077","https://openalex.org/W2563996964","https://openalex.org/W4205533812","https://openalex.org/W6628969027","https://openalex.org/W6679305267"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2120897947","https://openalex.org/W1563679115","https://openalex.org/W3118536199","https://openalex.org/W2161378541","https://openalex.org/W3168365631","https://openalex.org/W3016860855"],"abstract_inverted_index":{"Orthogonal":[0],"Frequency":[1],"Division":[2],"Multiplexing":[3],"(OFDM)":[4],"allow":[5],"data":[6],"to":[7,42,51,73,162,184],"be":[8,31,163,185,190],"transmitted":[9],"efficiently":[10],"and":[11,23,85,103,115,131,187],"reliably":[12],"by":[13,54,155],"using":[14],"multiple":[15],"orthogonal":[16],"subcarriers.":[17,120],"It":[18],"provides":[19],"robustness":[20],"against":[21],"noise":[22,146,160],"corruption":[24,52],"in":[25,71,89,124,149,181,202],"the":[26,38,43,66,81,90,96,125,128,134,150,176,182,193,200],"channel.":[27,151],"The":[28],"channel":[29,126,183,194],"can":[30,189],"either":[32],"wired":[33],"or":[34,157],"wireless":[35],"depending":[36],"on":[37],"particular":[39],"application.":[40],"Due":[41],"close":[44],"spacing":[45],"of":[46,83,99,111,178,204],"subcarriers,":[47],"OFDM":[48,84,119,171],"is":[49,147],"susceptible":[50],"caused":[53],"various":[55],"narrowband":[56,122,145,159],"signals":[57,123,180],"such":[58],"as":[59],"Narrowband":[60,179],"Interference":[61],"(NBI).":[62],"Spectral":[63,68,77],"shaping":[64,78,174],"shapes":[65],"Power":[67],"Density":[69],"(PSD)":[70],"order":[72],"have":[74],"certain":[75],"properties.":[76,137],"might":[79],"improve":[80,199],"effectiveness":[82],"make":[86,109],"it":[87],"sustainable":[88],"long":[91],"run":[92],"for":[93],"applications":[94],"beyond":[95],"4th":[97],"generation":[98],"mobile":[100],"communications":[101],"(4G)":[102],"Long":[104],"Term":[105],"Evolution":[106],"(LTE).":[107],"We":[108,167],"use":[110],"spectral":[112,136,173],"null":[113],"codes":[114],"load":[116],"them":[117],"onto":[118],"Introducing":[121],"degrades":[127],"system's":[129],"performance":[130],"also":[132],"eliminates":[133],"designed":[135],"From":[138],"this":[139],"observation":[140],"we":[141],"infer":[142],"that":[143,169],"some":[144],"present":[148],"Previously,":[152],"carriers":[153],"hit":[154],"NBI":[156],"other":[158],"had":[161],"switched":[164],"off":[165],"manually.":[166],"found":[168],"combining":[170],"with":[172],"allows":[175],"presence":[177],"detected":[186],"conclusions":[188],"drawn":[191],"over":[192],"quality.":[195],"This":[196],"did":[197],"not":[198],"system":[201],"terms":[203],"bit":[205],"error":[206],"rate":[207],"performance.":[208]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}