{"id":"https://openalex.org/W3115494298","doi":"https://doi.org/10.1109/ictc49870.2020.9289295","title":"Capacity-Achieving Precoding with Low-Complexity for Terahertz LOS Massive MIMO using Uniform Planar Arrays","display_name":"Capacity-Achieving Precoding with Low-Complexity for Terahertz LOS Massive MIMO using Uniform Planar Arrays","publication_year":2020,"publication_date":"2020-10-21","ids":{"openalex":"https://openalex.org/W3115494298","doi":"https://doi.org/10.1109/ictc49870.2020.9289295","mag":"3115494298"},"language":"en","primary_location":{"id":"doi:10.1109/ictc49870.2020.9289295","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc49870.2020.9289295","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Information and Communication Technology Convergence (ICTC)","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/A5048691482","display_name":"Hwanjoon Cho","orcid":null},"institutions":[{"id":"https://openalex.org/I123900574","display_name":"Pohang University of Science and Technology","ror":"https://ror.org/04xysgw12","country_code":"KR","type":"education","lineage":["https://openalex.org/I123900574"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hwanjoon Cho","raw_affiliation_strings":["POSTECH, Pohang, South Korea"],"affiliations":[{"raw_affiliation_string":"POSTECH, Pohang, South Korea","institution_ids":["https://openalex.org/I123900574"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102020512","display_name":"Chanho Park","orcid":"https://orcid.org/0000-0001-6671-1671"},"institutions":[{"id":"https://openalex.org/I123900574","display_name":"Pohang University of Science and Technology","ror":"https://ror.org/04xysgw12","country_code":"KR","type":"education","lineage":["https://openalex.org/I123900574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chanho Park","raw_affiliation_strings":["POSTECH, Pohang, South Korea"],"affiliations":[{"raw_affiliation_string":"POSTECH, Pohang, South Korea","institution_ids":["https://openalex.org/I123900574"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014076559","display_name":"Namyoon Lee","orcid":"https://orcid.org/0000-0003-4321-4108"},"institutions":[{"id":"https://openalex.org/I123900574","display_name":"Pohang University of Science and Technology","ror":"https://ror.org/04xysgw12","country_code":"KR","type":"education","lineage":["https://openalex.org/I123900574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Namyoon Lee","raw_affiliation_strings":["POSTECH, Pohang, South Korea"],"affiliations":[{"raw_affiliation_string":"POSTECH, Pohang, South Korea","institution_ids":["https://openalex.org/I123900574"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5048691482"],"corresponding_institution_ids":["https://openalex.org/I123900574"],"apc_list":null,"apc_paid":null,"fwci":0.411,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.62506873,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9997000098228455,"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":0.9991000294685364,"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/precoding","display_name":"Precoding","score":0.9209705591201782},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.726411759853363},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.7125731706619263},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.6295855641365051},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5362381935119629},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4408411383628845},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3083871006965637},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2735491991043091},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.2389717698097229},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16826874017715454},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.07563978433609009}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9209705591201782},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.726411759853363},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.7125731706619263},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.6295855641365051},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5362381935119629},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4408411383628845},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3083871006965637},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2735491991043091},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2389717698097229},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16826874017715454},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.07563978433609009},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ictc49870.2020.9289295","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc49870.2020.9289295","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Information and Communication Technology Convergence (ICTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1766888123","https://openalex.org/W1966634179","https://openalex.org/W2038854086","https://openalex.org/W2073138058","https://openalex.org/W2097034408","https://openalex.org/W2115412108","https://openalex.org/W2169644853","https://openalex.org/W2478884216","https://openalex.org/W2808043165","https://openalex.org/W2889926872","https://openalex.org/W2907499559","https://openalex.org/W2963971685","https://openalex.org/W3117044336","https://openalex.org/W3163598197","https://openalex.org/W6782026470"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2401571617","https://openalex.org/W2033952283","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"Terahertz":[0],"(THz)":[1],"line-of-sight":[2],"(LOS)":[3],"massive":[4,29],"multiple-input":[5],"multiple-output":[6],"(MIMO)":[7],"communication":[8],"is":[9,45,84],"promising":[10],"to":[11,27,47,85,105,156],"achieve":[12],"a":[13,33,66,87,93,147],"few":[14],"terabit":[15],"rates":[16],"for":[17],"beyond":[18],"5G.":[19],"The":[20,81],"tiny":[21],"wavelength":[22],"in":[23,52,150],"THz":[24],"allows":[25],"us":[26],"pack":[28],"antenna":[30,41],"elements":[31,42],"onto":[32],"small":[34],"aperture":[35],"size.":[36],"As":[37],"the":[38,49,53,72,106,109,114,116,120,151,157],"number":[39],"of":[40,95,108],"scales,":[43],"it":[44],"critical":[46],"improving":[48],"energy":[50],"efficiency":[51,59],"baseband":[54],"processing":[55],"while":[56],"maintaining":[57],"spectral":[58],"performance.":[60],"In":[61],"this":[62,142],"paper,":[63],"we":[64],"present":[65],"two-stage":[67,143],"precoding":[68,118,126,136,144],"method":[69,145],"that":[70,141],"achieves":[71],"MIMO":[73],"channel":[74,111],"capacity":[75],"with":[76,130],"significantly":[77],"reduced":[78],"computational":[79,152],"complexity.":[80],"principal":[82],"idea":[83],"decompose":[86],"uniform":[88,97],"planner":[89],"array":[90],"(UPA)":[91],"into":[92],"superposition":[94],"multi-layered":[96],"circular":[98],"subarrays":[99],"(UCAs)":[100],"at":[101],"both":[102],"ends.":[103],"Thanks":[104],"structure":[107],"circulant":[110],"matrix":[112],"between":[113],"subarrays,":[115],"proposed":[117],"exploits":[119],"Fast":[121],"Fourier":[122],"Transform":[123],"(FFT)-based":[124],"inner":[125],"per":[127,137],"subarray":[128],"conjunction":[129],"singular":[131],"value":[132],"decomposition":[133],"(SVD)":[134],"outer":[135],"eigen-mode.":[138],"We":[139],"show":[140],"provides":[146],"multiplicative":[148],"gain":[149],"complexity":[153],"reduction":[154],"compared":[155],"conventional":[158],"SVD":[159],"precoding.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
