{"id":"https://openalex.org/W4386918860","doi":"https://doi.org/10.1109/tgcn.2023.3317829","title":"Channel Estimation via Subcarrier Grouping for Wideband mmWave Hybrid Massive MIMO-OFDM Systems","display_name":"Channel Estimation via Subcarrier Grouping for Wideband mmWave Hybrid Massive MIMO-OFDM Systems","publication_year":2023,"publication_date":"2023-09-21","ids":{"openalex":"https://openalex.org/W4386918860","doi":"https://doi.org/10.1109/tgcn.2023.3317829"},"language":"en","primary_location":{"id":"doi:10.1109/tgcn.2023.3317829","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2023.3317829","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Green Communications and Networking","raw_type":"journal-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/A5013882222","display_name":"Yang Li","orcid":"https://orcid.org/0000-0003-0656-0503"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Li","raw_affiliation_strings":["School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078309887","display_name":"Anzhong Hu","orcid":"https://orcid.org/0000-0003-3618-6321"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Anzhong Hu","raw_affiliation_strings":["School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-3618-6321","affiliations":[{"raw_affiliation_string":"School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I50760025"],"apc_list":null,"apc_paid":null,"fwci":0.3484,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.57869381,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"8","issue":"1","first_page":"64","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10262","display_name":"Microwave Engineering and Waveguides","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9993000030517578,"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/subcarrier","display_name":"Subcarrier","score":0.9095094203948975},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7764389514923096},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.767829954624176},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.736758291721344},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5839945673942566},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5767354369163513},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5660644173622131},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4876943528652191},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4840683043003082},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.44944241642951965},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32619768381118774},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1573791205883026}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.9095094203948975},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7764389514923096},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.767829954624176},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.736758291721344},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5839945673942566},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5767354369163513},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5660644173622131},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4876943528652191},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4840683043003082},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44944241642951965},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32619768381118774},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1573791205883026}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgcn.2023.3317829","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2023.3317829","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Green Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1129246437","display_name":null,"funder_award_id":"LY20F010007","funder_id":"https://openalex.org/F4320338464","funder_display_name":"Natural Science Foundation of Zhejiang Province"}],"funders":[{"id":"https://openalex.org/F4320338464","display_name":"Natural Science Foundation of Zhejiang Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W776482163","https://openalex.org/W1506597047","https://openalex.org/W2016999686","https://openalex.org/W2035300746","https://openalex.org/W2056798980","https://openalex.org/W2095843437","https://openalex.org/W2144576157","https://openalex.org/W2166670884","https://openalex.org/W2195693430","https://openalex.org/W2339667469","https://openalex.org/W2559695533","https://openalex.org/W2782637457","https://openalex.org/W2897315508","https://openalex.org/W2898002969","https://openalex.org/W2910778537","https://openalex.org/W2917041729","https://openalex.org/W2946267042","https://openalex.org/W2963335367","https://openalex.org/W2963933750","https://openalex.org/W2964003927","https://openalex.org/W2966084980","https://openalex.org/W2969732824","https://openalex.org/W2971199942","https://openalex.org/W2982280489","https://openalex.org/W2989714518","https://openalex.org/W3013945510","https://openalex.org/W3135884249","https://openalex.org/W3155632926","https://openalex.org/W3201245580","https://openalex.org/W3213791921","https://openalex.org/W4214926958"],"related_works":["https://openalex.org/W2055131418","https://openalex.org/W1501039677","https://openalex.org/W2166250390","https://openalex.org/W2306672848","https://openalex.org/W2019909929","https://openalex.org/W3117207195","https://openalex.org/W3118536199","https://openalex.org/W2796093738","https://openalex.org/W2134916061","https://openalex.org/W2029275898"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"the":[3,26,29,34,37,41,46,55,58,74,87,97,103,106,121,127,139],"channel":[4,35,110,130],"estimation":[5,111,131],"of":[6,28,48,60,105],"millimeter-wave":[7],"massive":[8],"multiple-input":[9],"multiple-output":[10],"orthogonal":[11],"frequency":[12],"division":[13],"multiplexing":[14],"systems":[15],"with":[16,102],"a":[17,21,78],"wide":[18],"bandwidth":[19],"and":[20,33,70,86,133],"hybrid":[22],"structure.":[23],"By":[24],"considering":[25],"influence":[27],"frequency-spatial":[30],"wideband":[31],"effect":[32],"sparsity,":[36],"subcarriers":[38],"are":[39,51,68,90],"grouped,":[40],"support":[42,59],"as":[43,45],"well":[44],"angle":[47,56],"each":[49,61],"group":[50],"estimated.":[52],"Based":[53],"on":[54],"estimate,":[57],"subcarrier":[62],"is":[63,112,115],"deduced.":[64],"The":[65,82,93,118],"computational":[66,80],"complexities":[67],"analyzed":[69],"compared,":[71],"which":[72],"show":[73,120],"proposed":[75,122],"method":[76,123],"has":[77],"lower":[79],"complexity.":[81],"Cram\u00e9r-Rao":[83],"bound":[84],"(CRB)":[85],"spectral":[88,98,136],"efficiency":[89,99,137],"also":[91],"analyzed.":[92],"analysis":[94],"shows":[95],"that":[96],"increases":[100],"logarithmly":[101],"increase":[104],"signal-to-noise":[107],"ratio":[108],"when":[109],"perfect":[113],"but":[114],"limited":[116],"otherwise.":[117],"simulations":[119],"gets":[124],"closer":[125],"to":[126],"CRB":[128],"in":[129],"error":[132],"achieves":[134],"higher":[135],"than":[138],"existing":[140],"one.":[141]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}