{"id":"https://openalex.org/W2247197346","doi":"https://doi.org/10.1109/conecct.2015.7383928","title":"Bandwidth efficient joint estimation of CFO and doubly selective channel in OFDM based cognitive radio","display_name":"Bandwidth efficient joint estimation of CFO and doubly selective channel in OFDM based cognitive radio","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W2247197346","doi":"https://doi.org/10.1109/conecct.2015.7383928","mag":"2247197346"},"language":"en","primary_location":{"id":"doi:10.1109/conecct.2015.7383928","doi":"https://doi.org/10.1109/conecct.2015.7383928","is_oa":false,"landing_page_url":"https://doi.org/10.1109/conecct.2015.7383928","pdf_url":null,"source":{"id":"https://openalex.org/S4363607966","display_name":"IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5067270287","display_name":"P. S. Sanoopkumar","orcid":"https://orcid.org/0000-0003-0220-6021","observed_orcids":["https://orcid.org/0000-0003-0220-6021"]},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sanoopkumar P. S.","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057652895","display_name":"P. Muneer","orcid":"https://orcid.org/0000-0001-8832-6950","observed_orcids":["https://orcid.org/0000-0001-8832-6950"]},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Muneer P.","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090646467","display_name":"S. M. Sameer","orcid":"https://orcid.org/0000-0002-1685-7936","observed_orcids":["https://orcid.org/0000-0002-1685-7936"]},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sameer S. M.","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kerala, India","institution_ids":["https://openalex.org/I114845381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I114845381"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14783815,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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":0.6201000213623047,"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":0.6201000213623047,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.2190999984741211,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.12039999663829803,"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/carrier-frequency-offset-estimation","display_name":"carrier frequency offset estimation","score":0.9350000023841858},{"id":"https://openalex.org/keywords/ofdm","display_name":"OFDM","score":0.7570000290870667},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"cognitive radio","score":1.0},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"spectral efficiency","score":0.8149999976158142},{"id":"https://openalex.org/keywords/complex-exponential-basis-expansion-model","display_name":"complex exponential basis expansion model","score":0.8349999785423279},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"compressed sensing","score":0.9340000152587891},{"id":"https://openalex.org/keywords/orthogonal-matching-pursuit","display_name":"orthogonal matching pursuit","score":0.8840000033378601},{"id":"https://openalex.org/keywords/expectation-conditional-maximization","display_name":"expectation conditional maximization","score":0.9760000109672546},{"id":"https://openalex.org/keywords/sparse-channel","display_name":"sparse channel","score":0.550000011920929},{"id":"https://openalex.org/keywords/high-mobility","display_name":"high mobility","score":0.7730000019073486}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8124321699142456},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7366857528686523},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.7099707126617432},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6682581305503845},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.6341469287872314},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5591452121734619},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.509423553943634},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5003871917724609},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45474952459335327},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4122995138168335},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36281949281692505},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.3028988838195801},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.216434508562088},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13173145055770874}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/conecct.2015.7383928","doi":"https://doi.org/10.1109/conecct.2015.7383928","is_oa":false,"landing_page_url":"https://doi.org/10.1109/conecct.2015.7383928","pdf_url":null,"source":{"id":"https://openalex.org/S4363607966","display_name":"IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W588135687","https://openalex.org/W1498637316","https://openalex.org/W1965842222","https://openalex.org/W1967863963","https://openalex.org/W2044762091","https://openalex.org/W2050994160","https://openalex.org/W2129506838","https://openalex.org/W2133698785","https://openalex.org/W2146281846","https://openalex.org/W2151948222","https://openalex.org/W2157433385","https://openalex.org/W2168625863","https://openalex.org/W2171075378","https://openalex.org/W2538726670","https://openalex.org/W2547677613"],"related_works":["https://openalex.org/W2029588237","https://openalex.org/W2046553641","https://openalex.org/W2052525417","https://openalex.org/W2308281424","https://openalex.org/W2030879760","https://openalex.org/W2140341947","https://openalex.org/W2159892246","https://openalex.org/W2043103206","https://openalex.org/W4233069956","https://openalex.org/W2888918913"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3,109],"propose":[4,110],"a":[5,37,58,87,111],"bandwidth":[6,112],"efficient":[7,113],"joint":[8,115],"carrier":[9,156],"frequency":[10,157],"offset":[11,158],"(CFO)":[12],"and":[13,77,100,139,159],"doubly":[14],"selective":[15],"channel":[16,52,79,99,160],"(DCS)":[17],"estimation":[18,53,80,116,121],"technique":[19,117,131],"for":[20,54,153],"high":[21,63,76],"mobility":[22,64],"OFDM":[23,31,65],"based":[24,32],"cognitive":[25],"radio":[26],"(CR)":[27],"system.":[28],"As":[29],"the":[30,44,49,51,67,93,97,102,120,147,171],"CR":[33],"systems":[34,66],"are":[35],"having":[36],"non":[38],"contiguous":[39],"band":[40],"nature":[41,95],"due":[42],"to":[43,71],"dependency":[45],"of":[46,69,84,96,134,173],"subcarriers":[47],"on":[48],"availability,":[50],"such":[55],"system":[56],"is":[57,74,86],"tedious":[59],"task.":[60],"Moreover,":[61],"in":[62],"number":[68,83],"parameters":[70],"be":[72],"estimated":[73],"considerably":[75],"hence":[78],"with":[81],"limited":[82],"pilots":[85],"quiet":[88],"challenging":[89],"issue.":[90],"By":[91],"exploring":[92],"sparse":[94],"wireless":[98],"using":[101],"Complex":[103],"Exponential":[104],"Basis":[105],"Expansion":[106],"Model":[107],"(CE-BEM),":[108],"iterative":[114],"by":[118],"formulating":[119,146],"problem":[122,148],"into":[123,149],"compressive":[124],"sensing":[125],"(CS)":[126],"frame":[127,151],"work.":[128],"Our":[129],"proposed":[130,174],"make":[132],"use":[133],"Orthogonal":[135],"Matching":[136],"Pursuit":[137],"(OMP)":[138],"Expectation":[140],"Conditional":[141],"Maximization":[142],"(ECM)":[143],"algorithms":[144],"after":[145],"CS":[150],"work":[152],"formally":[154],"estimating":[155],"coefficients.":[161],"The":[162],"simulation":[163],"studies":[164],"conducted":[165],"at":[166],"different":[167],"mobile":[168],"speeds":[169],"validates":[170],"performance":[172],"technique.":[175]},"counts_by_year":[],"updated_date":"2026-10-05T09:50:58.205359","created_date":"2016-06-24T00:00:00"}
