{"id":"https://openalex.org/W3157661172","doi":"https://doi.org/10.1109/iscas51556.2021.9401397","title":"Low-Complexity Wideband Hybrid Precoding for mmWave MIMO-OFDM","display_name":"Low-Complexity Wideband Hybrid Precoding for mmWave MIMO-OFDM","publication_year":2021,"publication_date":"2021-04-27","ids":{"openalex":"https://openalex.org/W3157661172","doi":"https://doi.org/10.1109/iscas51556.2021.9401397","mag":"3157661172"},"language":"en","primary_location":{"id":"doi:10.1109/iscas51556.2021.9401397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas51556.2021.9401397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5089828790","display_name":"Hsin-Wen Ku","orcid":null},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Hsin-Wen Ku","raw_affiliation_strings":["Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036795908","display_name":"Wei-Hao Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Hao Fang","raw_affiliation_strings":["Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060854935","display_name":"Huan-Lun Tso","orcid":null},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Huan-Lun Tso","raw_affiliation_strings":["Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050419801","display_name":"Pei\u2010Yun Tsai","orcid":"https://orcid.org/0000-0002-6088-3875"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Pei-Yun Tsai","raw_affiliation_strings":["Department of Electrical Engineering, National Central University, Taiwan, R.O.C"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Central University, Taiwan, R.O.C","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029106788","display_name":"Yuan-Hao Huang","orcid":"https://orcid.org/0000-0001-6781-7312"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yuan-Hao Huang","raw_affiliation_strings":["Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Tsing Hua University, Taiwan, R.O.C","institution_ids":["https://openalex.org/I25846049"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5089828790"],"corresponding_institution_ids":["https://openalex.org/I25846049"],"apc_list":null,"apc_paid":null,"fwci":0.1003,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.40376935,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/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":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.8761319518089294},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8736028671264648},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6526955366134644},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6494678854942322},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.6448355913162231},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6417745351791382},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5661705732345581},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5408149361610413},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.5262985229492188},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.41952580213546753},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2695499658584595},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20909297466278076},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1970570981502533},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1953316330909729},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.13124564290046692}],"concepts":[{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.8761319518089294},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8736028671264648},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6526955366134644},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6494678854942322},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6448355913162231},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6417745351791382},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5661705732345581},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5408149361610413},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5262985229492188},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.41952580213546753},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2695499658584595},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20909297466278076},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1970570981502533},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1953316330909729},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.13124564290046692}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas51556.2021.9401397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas51556.2021.9401397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.4699999988079071,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1432778544","https://openalex.org/W1499056928","https://openalex.org/W1992463666","https://openalex.org/W2040621389","https://openalex.org/W2051388965","https://openalex.org/W2053521124","https://openalex.org/W2091892586","https://openalex.org/W2095843437","https://openalex.org/W2103851250","https://openalex.org/W2183909195","https://openalex.org/W2564936110","https://openalex.org/W2798909945","https://openalex.org/W2912987922","https://openalex.org/W2949795891","https://openalex.org/W2964218543"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W4386858283","https://openalex.org/W3190864439","https://openalex.org/W1993945082","https://openalex.org/W3192916075"],"abstract_inverted_index":{"Hybrid":[0],"RF":[1],"and":[2,25,32,107],"baseband":[3,42,95],"precoding":[4,66],"can":[5,114],"not":[6],"only":[7],"deal":[8],"with":[9,122],"low-scattering":[10],"problem":[11],"caused":[12],"by":[13],"severe":[14],"signal":[15],"attenuation":[16],"of":[17,27,76],"mmWave":[18,69,120],"but":[19],"also":[20,98],"significantly":[21,115],"reduce":[22,91,102,116],"the":[23,36,74,92,132],"power":[24],"cost":[26],"radio":[28],"frequency":[29,55],"(RF)":[30],"chains":[31],"data":[33],"converters":[34],"in":[35,131],"massive":[37],"MIMO":[38,121],"transceiver.":[39],"However,":[40],"its":[41],"complexity":[43,108,118],"is":[44],"still":[45],"very":[46],"high":[47],"for":[48,68,119],"frequency-selective":[49],"multi-carrier":[50],"system":[51],"such":[52],"as":[53],"orthogonal":[54],"division":[56],"multiplexing":[57],"(OFDM).":[58],"Therefore,":[59],"this":[60],"paper":[61],"proposes":[62],"a":[63,128],"computationally-efficient":[64],"hybrid":[65],"algorithm":[67,89],"MIMO-OFDM":[70],"systems.":[71],"By":[72],"decomposing":[73],"optimization":[75],"spectrum":[77],"efficiency":[78],"into":[79],"many":[80],"sub-optimization":[81],"problems,":[82],"we":[83,113],"developed":[84],"an":[85],"iterative":[86],"matrix-":[87],"inversion-bypass":[88],"to":[90,100,127],"complexity.":[93,104],"The":[94,105],"precoder":[96],"was":[97],"designed":[99],"further":[101],"total":[103],"simulation":[106],"analysis":[109],"results":[110],"showed":[111],"that":[112],"computational":[117],"negligible":[123],"performance":[124],"degradation":[125],"compared":[126],"state-of-the-art":[129],"work":[130],"literature.":[133]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-25T21:42:39.735039","created_date":"2025-10-10T00:00:00"}
