{"id":"https://openalex.org/W2964943178","doi":"https://doi.org/10.1109/lwc.2019.2933624","title":"FCFGS-CV-Based Channel Estimation for Wideband mmWave Massive MIMO Systems With Low-Resolution ADCs","display_name":"FCFGS-CV-Based Channel Estimation for Wideband mmWave Massive MIMO Systems With Low-Resolution ADCs","publication_year":2019,"publication_date":"2019-08-06","ids":{"openalex":"https://openalex.org/W2964943178","doi":"https://doi.org/10.1109/lwc.2019.2933624","mag":"2964943178"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2019.2933624","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2933624","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1908.00532","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101551438","display_name":"In-Soo Kim","orcid":"https://orcid.org/0000-0002-4068-1053"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"In-Soo Kim","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-4068-1053","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065248740","display_name":"Junil Choi","orcid":"https://orcid.org/0000-0002-9862-9020"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Junil Choi","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-9862-9020","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.7006,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.70879826,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"8","issue":"6","first_page":"1648","last_page":"1652"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","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"}},"topics":[{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9991000294685364,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9990000128746033,"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/matching-pursuit","display_name":"Matching pursuit","score":0.797991156578064},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.6689674854278564},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6358906030654907},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6296156048774719},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6000936031341553},{"id":"https://openalex.org/keywords/maximum-a-posteriori-estimation","display_name":"Maximum a posteriori estimation","score":0.5608493685722351},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.5472634434700012},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49493688344955444},{"id":"https://openalex.org/keywords/overfitting","display_name":"Overfitting","score":0.4754374027252197},{"id":"https://openalex.org/keywords/converters","display_name":"Converters","score":0.4753011167049408},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.45801204442977905},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4524213373661041},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3420878052711487},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.32148122787475586},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2904973030090332},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25363004207611084},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12344297766685486},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.1209743320941925},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1152830719947815},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10505220293998718},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.08164316415786743}],"concepts":[{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.797991156578064},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.6689674854278564},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6358906030654907},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6296156048774719},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6000936031341553},{"id":"https://openalex.org/C9810830","wikidata":"https://www.wikidata.org/wiki/Q635384","display_name":"Maximum a posteriori estimation","level":3,"score":0.5608493685722351},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.5472634434700012},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49493688344955444},{"id":"https://openalex.org/C22019652","wikidata":"https://www.wikidata.org/wiki/Q331309","display_name":"Overfitting","level":3,"score":0.4754374027252197},{"id":"https://openalex.org/C2778422915","wikidata":"https://www.wikidata.org/wiki/Q10302051","display_name":"Converters","level":3,"score":0.4753011167049408},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.45801204442977905},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4524213373661041},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3420878052711487},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.32148122787475586},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2904973030090332},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25363004207611084},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12344297766685486},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.1209743320941925},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1152830719947815},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10505220293998718},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.08164316415786743},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lwc.2019.2933624","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2933624","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1908.00532","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.00532","pdf_url":"https://arxiv.org/pdf/1908.00532","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1908.00532","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.00532","pdf_url":"https://arxiv.org/pdf/1908.00532","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1954803662","display_name":null,"funder_award_id":"2016-0-00123","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1994520254","https://openalex.org/W2016999686","https://openalex.org/W2024417168","https://openalex.org/W2103364136","https://openalex.org/W2127271355","https://openalex.org/W2128865660","https://openalex.org/W2134179788","https://openalex.org/W2166670884","https://openalex.org/W2339667469","https://openalex.org/W2776751579","https://openalex.org/W2793020257","https://openalex.org/W2794190039","https://openalex.org/W2800315826","https://openalex.org/W2962760202","https://openalex.org/W2963783167","https://openalex.org/W3104326121"],"related_works":["https://openalex.org/W2098521117","https://openalex.org/W2465351041","https://openalex.org/W4385694579","https://openalex.org/W2340242818","https://openalex.org/W4300881421","https://openalex.org/W2103001330","https://openalex.org/W4319793311","https://openalex.org/W2241396314","https://openalex.org/W3015194228","https://openalex.org/W2381127329"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"the":[3,34,39,48,73,84,89,96,104],"fully":[4],"corrective":[5],"forward":[6],"greedy":[7],"selection-cross":[8],"validation-based":[9],"(FCFGS-CV-based)":[10],"channel":[11,37,53],"estimator":[12],"is":[13,44,72,80,92,107],"proposed":[14],"for":[15],"wideband":[16],"millimeter":[17],"wave":[18],"(mmWave)":[19],"massive":[20],"multiple-input":[21],"multiple-output":[22],"(MIMO)":[23],"systems":[24],"with":[25,60],"low-resolution":[26],"analog-to-digital":[27],"converters":[28],"(ADCs).":[29],"The":[30,68],"sparse":[31],"nature":[32],"of":[33],"mmWave":[35],"virtual":[36],"in":[38],"angular":[40],"and":[41,65],"delay":[42],"domains":[43],"exploited":[45],"to":[46,56,82,94],"convert":[47],"maximum":[49],"a":[50,61],"posteriori":[51],"(MAP)":[52],"estimation":[54],"problem":[55,59],"an":[57],"optimization":[58,86],"concave":[62],"objective":[63],"function":[64],"sparsity":[66,105],"constraint.":[67],"FCFGS":[69],"algorithm,":[70,79],"which":[71],"generalized":[74],"orthogonal":[75],"matching":[76],"pursuit":[77],"(OMP)":[78],"used":[81],"solve":[83],"sparsity-constrained":[85],"problem.":[87],"Furthermore,":[88],"CV":[90],"technique":[91],"adopted":[93],"determine":[95],"proper":[97],"termination":[98],"condition":[99],"by":[100],"detecting":[101],"overfitting":[102],"when":[103],"level":[106],"unknown.":[108]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}