{"id":"https://openalex.org/W2999045331","doi":"https://doi.org/10.1109/access.2020.2964393","title":"Energy-Efficient Channel Estimation","display_name":"Energy-Efficient Channel Estimation","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W2999045331","doi":"https://doi.org/10.1109/access.2020.2964393","mag":"2999045331"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.2964393","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2964393","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08950407.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08950407.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035870755","display_name":"Guandong Wei","orcid":"https://orcid.org/0000-0002-2802-902X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guandong Wei","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2802-902X","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006316216","display_name":"Kai Yang","orcid":"https://orcid.org/0000-0003-1059-0705"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Yang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-1059-0705","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017438985","display_name":"Xiaozheng Gao","orcid":"https://orcid.org/0000-0002-0340-679X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaozheng Gao","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0340-679X","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101619104","display_name":"Ye Yu","orcid":"https://orcid.org/0000-0003-3783-0684"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ye Yu","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3783-0684","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029265765","display_name":"Jinsong Wu","orcid":"https://orcid.org/0000-0003-4720-5946"},"institutions":[{"id":"https://openalex.org/I69737025","display_name":"University of Chile","ror":"https://ror.org/047gc3g35","country_code":"CL","type":"education","lineage":["https://openalex.org/I69737025"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Jinsong Wu","raw_affiliation_strings":["Department of Electrical Engineering, Universidad de Chile, Santiago, Chile"],"raw_orcid":"https://orcid.org/0000-0003-4720-5946","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Universidad de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I69737025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044674658","display_name":"Jianping An","orcid":"https://orcid.org/0000-0002-6441-9711"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping An","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-6441-9711","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.1009,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.37976922,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":null,"first_page":"9702","last_page":"9714"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9994999766349792,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9994000196456909,"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/computer-science","display_name":"Computer science","score":0.5704561471939087},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4894157946109772},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.46763232350349426},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.42513367533683777},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2769043445587158},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1791943609714508},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12071141600608826},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10771268606185913}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5704561471939087},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4894157946109772},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.46763232350349426},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.42513367533683777},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2769043445587158},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1791943609714508},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12071141600608826},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10771268606185913},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2020.2964393","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2964393","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08950407.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6030874e823f435da8ed6ff5eaa3d00c","is_oa":true,"landing_page_url":"https://doaj.org/article/6030874e823f435da8ed6ff5eaa3d00c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 9702-9714 (2020)","raw_type":"article"},{"id":"pmh:oai:repositorio.uchile.cl:2250/176660","is_oa":true,"landing_page_url":"https://repositorio.uchile.cl/handle/2250/176660","pdf_url":null,"source":{"id":"https://openalex.org/S4306481413","display_name":"Universidad de Chile","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access","raw_type":"Art\u00edculo de revista"}],"best_oa_location":{"id":"doi:10.1109/access.2020.2964393","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2964393","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08950407.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G111310164","display_name":"\u8d85\u5bc6\u5ea6\u8702\u7a9d\u7f51\u7edc\u5efa\u6a21\u5206\u6790\u4e0e\u8d44\u6e90\u5206\u914d\u6280\u672f\u7814\u7a76","funder_award_id":"61771054","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6786767062","display_name":null,"funder_award_id":"61601025","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2999045331.pdf","grobid_xml":"https://content.openalex.org/works/W2999045331.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1967029328","https://openalex.org/W1967956032","https://openalex.org/W1969648546","https://openalex.org/W1975169802","https://openalex.org/W1983293748","https://openalex.org/W1999027956","https://openalex.org/W2021268638","https://openalex.org/W2045527888","https://openalex.org/W2096380022","https://openalex.org/W2098473710","https://openalex.org/W2105872425","https://openalex.org/W2115558543","https://openalex.org/W2121326525","https://openalex.org/W2129515319","https://openalex.org/W2140462745","https://openalex.org/W2142238976","https://openalex.org/W2143487028","https://openalex.org/W2147056723","https://openalex.org/W2152481521","https://openalex.org/W2152953137","https://openalex.org/W2154319347","https://openalex.org/W2155014525","https://openalex.org/W2163229445","https://openalex.org/W2264981650","https://openalex.org/W2278832915","https://openalex.org/W2300022842","https://openalex.org/W2315232455","https://openalex.org/W2501158790","https://openalex.org/W2546759705","https://openalex.org/W2777535382","https://openalex.org/W2791855499","https://openalex.org/W2810990271","https://openalex.org/W2867470136","https://openalex.org/W2896112445","https://openalex.org/W2900452440","https://openalex.org/W2911262833","https://openalex.org/W2913498242","https://openalex.org/W2962836907","https://openalex.org/W2972917489","https://openalex.org/W3133603318","https://openalex.org/W4250589301","https://openalex.org/W6695479748"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"We":[0,37],"investigate":[1],"the":[2,21,25,32,40,54,57,61,68,73,98,106,126,130,134,141],"energy-efficient":[3,41],"channel":[4,22,26,42],"estimation":[5,29,43],"in":[6],"wireless":[7],"networks,":[8],"where":[9,53],"one":[10],"pilot":[11],"is":[12],"inserted":[13],"for":[14],"every":[15],"several":[16],"data":[17,64],"slots":[18],"to":[19,67,101,121],"estimate":[20],"coefficients.":[23],"Both":[24],"state":[27],"information":[28],"error":[30],"and":[31,60,97,125,143],"time-varying":[33],"model":[34],"are":[35],"considered.":[36],"first":[38],"formulate":[39],"problem":[44,75],"into":[45,76],"a":[46,77,103,113,123],"mixed":[47],"integer":[48,84],"nonlinear":[49],"programming":[50],"(MINLP)":[51],"problem,":[52],"variables":[55],"include":[56],"transmitted":[58],"power":[59],"number":[62],"of":[63,79,133,145],"slots.":[65],"Due":[66],"NP-hard":[69],"nature,":[70],"we":[71,87,111],"degenerate":[72],"MINLP":[74],"series":[78],"non-concave":[80,136],"optimization":[81],"problems":[82,90],"without":[83],"variables.":[85],"Then":[86],"solve":[88],"these":[89],"using":[91],"successive":[92],"convex":[93],"approximation,":[94],"geometric":[95],"programming,":[96],"Dinkelbach":[99],"algorithm":[100],"obtain":[102,122],"point":[104,128],"satisfying":[105],"Karush-Kuhn-Tucker":[107],"(KKT)":[108],"conditions.":[109],"Furthermore,":[110],"develop":[112],"low-complexity":[114],"sub-optimal":[115],"scheme":[116],"through":[117],"binary":[118],"variable":[119],"relaxation":[120],"solution,":[124],"convergence":[127,142],"satisfies":[129],"KKT":[131],"conditions":[132],"relaxed":[135],"problem.":[137],"Simulation":[138],"results":[139],"demonstrate":[140],"effectiveness":[144],"our":[146],"proposed":[147],"schemes.":[148]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
