{"id":"https://openalex.org/W2160559635","doi":"https://doi.org/10.1109/iscas.2014.6865479","title":"A low-complexity composite QR decomposition architecture for MIMO detector","display_name":"A low-complexity composite QR decomposition architecture for MIMO detector","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2160559635","doi":"https://doi.org/10.1109/iscas.2014.6865479","mag":"2160559635"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2014.6865479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2014.6865479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5064364267","display_name":"Ji Hwan Yoon","orcid":"https://orcid.org/0000-0002-1661-4395"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ji-Hwan Yoon","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091058036","display_name":"Dongyeob Shin","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dongyeob Shin","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101839916","display_name":"Jongsun Park","orcid":"https://orcid.org/0000-0003-3251-0024"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jongsun Park","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"48","issue":null,"first_page":"1692","last_page":"1695"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11697","display_name":"Numerical Methods and Algorithms","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11697","display_name":"Numerical Methods and Algorithms","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9986000061035156,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/qr-decomposition","display_name":"QR decomposition","score":0.9024784564971924},{"id":"https://openalex.org/keywords/cordic","display_name":"CORDIC","score":0.774329662322998},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6476871967315674},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6177232265472412},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6147947311401367},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.566026508808136},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.4960993230342865},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4787166118621826},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4783843755722046},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.43081653118133545},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40530094504356384},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.34649014472961426},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.34448567032814026},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.2940059006214142},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.2869625985622406},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21996930241584778},{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.20242810249328613},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08556285500526428},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.0814579427242279},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.07300812005996704}],"concepts":[{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.9024784564971924},{"id":"https://openalex.org/C58870171","wikidata":"https://www.wikidata.org/wiki/Q116076","display_name":"CORDIC","level":3,"score":0.774329662322998},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6476871967315674},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6177232265472412},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6147947311401367},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.566026508808136},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.4960993230342865},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4787166118621826},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4783843755722046},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.43081653118133545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40530094504356384},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.34649014472961426},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.34448567032814026},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.2940059006214142},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.2869625985622406},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21996930241584778},{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.20242810249328613},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08556285500526428},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0814579427242279},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.07300812005996704},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2014.6865479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2014.6865479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1978052970","https://openalex.org/W1986095997","https://openalex.org/W1993405011","https://openalex.org/W2019504950","https://openalex.org/W2089214046","https://openalex.org/W2100880214","https://openalex.org/W2103925854","https://openalex.org/W2138430352","https://openalex.org/W2142885599","https://openalex.org/W2150633168","https://openalex.org/W2549745736","https://openalex.org/W2612977707","https://openalex.org/W4238394010"],"related_works":["https://openalex.org/W2004703634","https://openalex.org/W1986095997","https://openalex.org/W2026671594","https://openalex.org/W2981274774","https://openalex.org/W3046517157","https://openalex.org/W1587654378","https://openalex.org/W2114458102","https://openalex.org/W2952509803","https://openalex.org/W2002598339","https://openalex.org/W2150953077"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,44],"low":[4,45],"complexity":[5,29,38,46,72],"QR":[6,81],"decomposition":[7,82],"(QRD)":[8],"architecture":[9,59,98,117],"for":[10,118],"MIMO":[11],"detector.":[12],"In":[13],"the":[14,27,31,36,71,76,96,103,113,119],"proposed":[15,57,97],"approach,":[16],"various":[17,41],"CORDIC-based":[18,116],"QRD":[19,32,42,54,58],"algorithms":[20],"are":[21],"efficiently":[22],"combined":[23],"together":[24],"to":[25,63],"reduce":[26],"computational":[28,37],"of":[30,53,67],"hardware.":[33],"Based":[34],"on":[35,40],"analysis":[39],"algorithms,":[43],"approach":[47],"is":[48],"selected":[49],"at":[50],"each":[51],"stage":[52],"process.":[55],"The":[56,91],"can":[60],"be":[61],"applied":[62],"any":[64],"arbitrary":[65],"dimension":[66],"channel":[68],"matrix,":[69],"and":[70],"reduction":[73],"grows":[74],"with":[75,108],"increasing":[77],"matrix":[78,121],"dimension.":[79],"Our":[80],"hardware":[83],"was":[84],"implemented":[85],"using":[86],"Samsung":[87],"0.13":[88],"\u03bcm":[89],"technology.":[90],"numerical":[92],"results":[93],"show":[94],"that":[95],"achieves":[99],"47%":[100],"increase":[101],"in":[102],"QAR":[104],"(QRD":[105],"Rate/Gate":[106],"count)":[107],"28.1%":[109],"power":[110],"savings":[111],"over":[112],"conventional":[114],"Householder":[115],"4x4":[120],"decomposition.":[122]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
