{"id":"https://openalex.org/W2557167459","doi":"https://doi.org/10.1109/isncc.2016.7746098","title":"An enhanced channel estimation technique with adaptive pilot spacing for OFDM system","display_name":"An enhanced channel estimation technique with adaptive pilot spacing for OFDM system","publication_year":2016,"publication_date":"2016-05-01","ids":{"openalex":"https://openalex.org/W2557167459","doi":"https://doi.org/10.1109/isncc.2016.7746098","mag":"2557167459"},"language":"en","primary_location":{"id":"doi:10.1109/isncc.2016.7746098","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isncc.2016.7746098","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Symposium on Networks, Computers and Communications (ISNCC)","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/A5038784688","display_name":"Cherif Rezgui","orcid":null},"institutions":[{"id":"https://openalex.org/I4210131288","display_name":"National Engineering School of Tunis","ror":"https://ror.org/03b1zjt31","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]}],"countries":["TN"],"is_corresponding":true,"raw_author_name":"Cherif Rezgui","raw_affiliation_strings":["Communication systems Lab, National School of Engineers of Tunis (ENIT), Tunisia"],"affiliations":[{"raw_affiliation_string":"Communication systems Lab, National School of Engineers of Tunis (ENIT), Tunisia","institution_ids":["https://openalex.org/I4210131288"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059569566","display_name":"Khaled Grayaa","orcid":"https://orcid.org/0000-0003-0334-0687"},"institutions":[{"id":"https://openalex.org/I4210131288","display_name":"National Engineering School of Tunis","ror":"https://ror.org/03b1zjt31","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Khaled Grayaa","raw_affiliation_strings":["Communication systems Lab, National School of Engineers of Tunis (ENIT), Tunisia"],"affiliations":[{"raw_affiliation_string":"Communication systems Lab, National School of Engineers of Tunis (ENIT), Tunisia","institution_ids":["https://openalex.org/I4210131288"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5038784688"],"corresponding_institution_ids":["https://openalex.org/I4210131288"],"apc_list":null,"apc_paid":null,"fwci":0.3675,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.67116387,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"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":0.9995999932289124,"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":0.9994999766349792,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7898455262184143},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.700217604637146},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6666373014450073},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.49897336959838867},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4453933835029602},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27223706245422363},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1707051396369934}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7898455262184143},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.700217604637146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6666373014450073},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.49897336959838867},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4453933835029602},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27223706245422363},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1707051396369934},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isncc.2016.7746098","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isncc.2016.7746098","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Symposium on Networks, Computers and Communications (ISNCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W107325040","https://openalex.org/W262820864","https://openalex.org/W1532756011","https://openalex.org/W2004615135","https://openalex.org/W2025047142","https://openalex.org/W2114004090","https://openalex.org/W2122072238","https://openalex.org/W2149547360","https://openalex.org/W3106149436","https://openalex.org/W4205533812","https://openalex.org/W6651684664","https://openalex.org/W6678188153"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2517776947","https://openalex.org/W1986382998","https://openalex.org/W2084482193","https://openalex.org/W2063393180","https://openalex.org/W4243590696"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,105],"propose":[4],"a":[5,45,119],"novel":[6],"method":[7,27],"for":[8,125],"channel":[9,22,25,36,40],"estimation":[10,26,41],"based":[11],"on":[12],"adaptive":[13,112],"pilot":[14,68,113],"spacing":[15],"using":[16],"low":[17,82,89,126],"complexity":[18,48,121],"with":[19,49,96,111],"least-square":[20],"(LS)":[21],"estimation.":[23],"Many":[24],"uses":[28],"LS":[29,80,99,109],"or":[30],"MMSE":[31,39,84],"(Minimum":[32],"Mean":[33],"Square":[34],"Error)":[35],"estimator.":[37,142],"The":[38],"technique":[42],"suffers":[43],"from":[44],"high":[46,97,128],"computational":[47],"an":[50,75],"order":[51,116],"of":[52,139],"O(N":[53],"-":[54,62],"P":[55],"<sub":[56],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[57],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sub>":[58],")":[59],"operations":[60],"((N":[61],"P)":[63],"represents":[64],"the":[65,137,140],"total":[66],"number":[67],"in":[69,88,108,115],"one":[70],"OFDM":[71],"symbol)":[72],"due":[73],"to":[74,92,117,135],"inversion":[76],"matrix":[77],"operation.":[78],"However":[79],"presents":[81],"complexity.":[83],"have":[85,118],"good":[86],"results":[87,124],"SNR":[90],"(Signal":[91],"Noise":[93],"Ratio),":[94],"but":[95],"SNR,":[98],"estimator":[100,110],"is":[101],"more":[102],"efficient.":[103],"So,":[104],"are":[106,133],"interested":[107],"arrangement":[114],"minimal":[120],"and":[122,127],"better":[123],"SNR.":[129],"MATLAB":[130],"Monte-Carlo":[131],"simulations":[132],"used":[134],"evaluate":[136],"performance":[138],"proposed":[141]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}