{"id":"https://openalex.org/W2909045654","doi":"https://doi.org/10.1109/latincom.2018.8613215","title":"Optimal Sparse Channel Estimation for Unknown Sparse Level in Wireless OFDM Systems","display_name":"Optimal Sparse Channel Estimation for Unknown Sparse Level in Wireless OFDM Systems","publication_year":2018,"publication_date":"2018-11-01","ids":{"openalex":"https://openalex.org/W2909045654","doi":"https://doi.org/10.1109/latincom.2018.8613215","mag":"2909045654"},"language":"en","primary_location":{"id":"doi:10.1109/latincom.2018.8613215","is_oa":false,"landing_page_url":"https://doi.org/10.1109/latincom.2018.8613215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Latin-American Conference on Communications (LATINCOM)","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/A5017816703","display_name":"J. Daniel Vera-Gonzalez","orcid":null},"institutions":[{"id":"https://openalex.org/I200362191","display_name":"Universidad Aut\u00f3noma Metropolitana","ror":"https://ror.org/02kta5139","country_code":"MX","type":"education","lineage":["https://openalex.org/I200362191"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"J. Daniel Vera-Gonzalez","raw_affiliation_strings":["Departamento de Ingenieria El\u00e9ctrica Universidad Aut\u00f3noma Metropolitana Unidad Iztapalapa Iztapalapa, Ciudad de M\u00e9xico, M\u00e9xico"],"affiliations":[{"raw_affiliation_string":"Departamento de Ingenieria El\u00e9ctrica Universidad Aut\u00f3noma Metropolitana Unidad Iztapalapa Iztapalapa, Ciudad de M\u00e9xico, M\u00e9xico","institution_ids":["https://openalex.org/I200362191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068605520","display_name":"Alfonso Prieto\u2010Guerrero","orcid":"https://orcid.org/0000-0002-2661-2449"},"institutions":[{"id":"https://openalex.org/I200362191","display_name":"Universidad Aut\u00f3noma Metropolitana","ror":"https://ror.org/02kta5139","country_code":"MX","type":"education","lineage":["https://openalex.org/I200362191"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Alfonso Prieto-Guerrero","raw_affiliation_strings":["Departamento de Ingenieria El\u00e9ctrica Universidad Aut\u00f3noma Metropolitana Unidad Iztapalapa Iztapalapa, Ciudad de M\u00e9xico, M\u00e9xico"],"affiliations":[{"raw_affiliation_string":"Departamento de Ingenieria El\u00e9ctrica Universidad Aut\u00f3noma Metropolitana Unidad Iztapalapa Iztapalapa, Ciudad de M\u00e9xico, M\u00e9xico","institution_ids":["https://openalex.org/I200362191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057324156","display_name":"Mounir Ghogho","orcid":"https://orcid.org/0000-0002-0055-7867"},"institutions":[{"id":"https://openalex.org/I2998215954","display_name":"Technopolis (Finland)","ror":"https://ror.org/00wt3rj94","country_code":"FI","type":"company","lineage":["https://openalex.org/I2998215954"]},{"id":"https://openalex.org/I4210106663","display_name":"International University of Rabat","ror":"https://ror.org/01t9czq80","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210106663"]}],"countries":["FI","MA"],"is_corresponding":false,"raw_author_name":"Mounir Ghogho","raw_affiliation_strings":["Computer Science Department International University of Rabat Technopolis Rabat-shore Rocade, Rabat sal\u00e9, Maroc"],"affiliations":[{"raw_affiliation_string":"Computer Science Department International University of Rabat Technopolis Rabat-shore Rocade, Rabat sal\u00e9, Maroc","institution_ids":["https://openalex.org/I2998215954","https://openalex.org/I4210106663"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050747219","display_name":"Daniel Bonilla Licea","orcid":"https://orcid.org/0000-0002-1057-816X"},"institutions":[{"id":"https://openalex.org/I2998215954","display_name":"Technopolis (Finland)","ror":"https://ror.org/00wt3rj94","country_code":"FI","type":"company","lineage":["https://openalex.org/I2998215954"]},{"id":"https://openalex.org/I4210106663","display_name":"International University of Rabat","ror":"https://ror.org/01t9czq80","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210106663"]}],"countries":["FI","MA"],"is_corresponding":false,"raw_author_name":"Daniel Bonilla-Licea","raw_affiliation_strings":["Computer Science Department International University of Rabat Technopolis Rabat-shore Rocade, Rabat sal\u00e9, Maroc"],"affiliations":[{"raw_affiliation_string":"Computer Science Department International University of Rabat Technopolis Rabat-shore Rocade, Rabat sal\u00e9, Maroc","institution_ids":["https://openalex.org/I2998215954","https://openalex.org/I4210106663"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5017816703"],"corresponding_institution_ids":["https://openalex.org/I200362191"],"apc_list":null,"apc_paid":null,"fwci":0.2027,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.53474118,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9983999729156494,"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/compressed-sensing","display_name":"Compressed sensing","score":0.7481598854064941},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7468339800834656},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7320919632911682},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7213210463523865},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6047844290733337},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5815750956535339},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.5645674467086792},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5518426299095154},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.42138323187828064},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11436048150062561}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.7481598854064941},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7468339800834656},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7320919632911682},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7213210463523865},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6047844290733337},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5815750956535339},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.5645674467086792},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5518426299095154},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.42138323187828064},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11436048150062561},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/latincom.2018.8613215","is_oa":false,"landing_page_url":"https://doi.org/10.1109/latincom.2018.8613215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Latin-American Conference on Communications (LATINCOM)","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":10,"referenced_works":["https://openalex.org/W1967511714","https://openalex.org/W2001378732","https://openalex.org/W2102207173","https://openalex.org/W2168625863","https://openalex.org/W2529313872","https://openalex.org/W2546076092","https://openalex.org/W2741791999","https://openalex.org/W2792940675","https://openalex.org/W2803195606","https://openalex.org/W6675283590"],"related_works":["https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W1531601525","https://openalex.org/W2379256376","https://openalex.org/W2107703637","https://openalex.org/W2567231135","https://openalex.org/W2381127329","https://openalex.org/W4317418808","https://openalex.org/W3015194228"],"abstract_inverted_index":{"Compressed":[0],"sensing":[1],"(CS)has":[2],"been":[3],"rapidly":[4],"adopted":[5],"as":[6],"an":[7,128],"improved":[8],"solution":[9,130],"to":[10,22,34,74,114,126],"estimate":[11,23],"sparse":[12,117],"channels":[13],"for":[14],"OFDM":[15,136],"systems.":[16],"Nowadays,":[17],"there":[18,68],"exist":[19,69],"many":[20,70],"algorithms":[21,32,37,46],"the":[24,35,43,56,64,86,116,120,132,135],"channel":[25,122,137],"under":[26],"this":[27,59,76,93,106],"approach.":[28],"The":[29],"most":[30,44],"popular":[31],"belong":[33],"greedy":[36],"category.":[38],"OMP":[39],"is":[40,102,111],"one":[41],"of":[42,119],"useful":[45],"due":[47],"its":[48],"low":[49],"computational":[50],"complexity":[51],"and":[52,123],"good":[53],"performance.":[54],"However,":[55],"accuracy":[57],"in":[58,97,134],"algorithm":[60],"depends":[61],"directly":[62],"on":[63],"stopping":[65,80],"condition.":[66],"Currently,":[67],"works":[71,91],"which":[72],"try":[73],"tackle":[75],"problem":[77],"developing":[78],"a":[79,83,98,108],"condition":[81,94],"by":[82],"threshold.":[84],"On":[85],"other":[87],"hand,":[88],"some":[89],"others":[90],"assume":[92],"known,":[95],"however":[96],"real":[99],"scenario":[100],"it":[101,125],"not":[103],"true.":[104],"In":[105],"work":[107],"simple":[109],"strategy":[110],"proposed":[112],"permitting":[113],"detect":[115],"level":[118],"wireless":[121],"apply":[124],"obtain":[127],"optimal":[129],"reducing":[131],"MSE":[133],"estimation.":[138]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
