{"id":"https://openalex.org/W2160199537","doi":"https://doi.org/10.1109/iscas.2008.4541572","title":"A low complexity complex QR factorization design for signal detection in MIMO OFDM systems","display_name":"A low complexity complex QR factorization design for signal detection in MIMO OFDM systems","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2160199537","doi":"https://doi.org/10.1109/iscas.2008.4541572","mag":"2160199537"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2008.4541572","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2008.4541572","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 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/A5019252212","display_name":"Yin\u2010Tsung Hwang","orcid":"https://orcid.org/0000-0001-9233-0477"},"institutions":[{"id":"https://openalex.org/I162838928","display_name":"National Chung Hsing University","ror":"https://ror.org/05vn3ca78","country_code":"TW","type":"education","lineage":["https://openalex.org/I162838928"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yin-Tsung Hwang","raw_affiliation_strings":["Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan","institution_ids":["https://openalex.org/I162838928"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017448268","display_name":"Weida Chen","orcid":"https://orcid.org/0000-0002-8552-4772"},"institutions":[{"id":"https://openalex.org/I162838928","display_name":"National Chung Hsing University","ror":"https://ror.org/05vn3ca78","country_code":"TW","type":"education","lineage":["https://openalex.org/I162838928"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Da Chen","raw_affiliation_strings":["Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan","institution_ids":["https://openalex.org/I162838928"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I162838928"],"apc_list":null,"apc_paid":null,"fwci":4.2699,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.95278314,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"932","last_page":"935"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.81827312707901},{"id":"https://openalex.org/keywords/cordic","display_name":"CORDIC","score":0.8160614967346191},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.675825834274292},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6123501658439636},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.5927602648735046},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5164061188697815},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49792003631591797},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4854472279548645},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.44594115018844604},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.33367323875427246},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.33331435918807983},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.16993090510368347},{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.12410718202590942},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11749044060707092},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10111376643180847},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.08858618140220642}],"concepts":[{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.81827312707901},{"id":"https://openalex.org/C58870171","wikidata":"https://www.wikidata.org/wiki/Q116076","display_name":"CORDIC","level":3,"score":0.8160614967346191},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.675825834274292},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6123501658439636},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.5927602648735046},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5164061188697815},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49792003631591797},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4854472279548645},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.44594115018844604},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33367323875427246},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.33331435918807983},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.16993090510368347},{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.12410718202590942},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11749044060707092},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10111376643180847},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.08858618140220642},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2008.4541572","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2008.4541572","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 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":8,"referenced_works":["https://openalex.org/W1525760131","https://openalex.org/W1892823047","https://openalex.org/W1973241971","https://openalex.org/W2020196933","https://openalex.org/W2033287853","https://openalex.org/W2099195358","https://openalex.org/W2142441514","https://openalex.org/W2167840038"],"related_works":["https://openalex.org/W2004703634","https://openalex.org/W1986095997","https://openalex.org/W2981274774","https://openalex.org/W1587654378","https://openalex.org/W2952509803","https://openalex.org/W2807944329","https://openalex.org/W2001747039","https://openalex.org/W2367746241","https://openalex.org/W2113487192","https://openalex.org/W2182153553"],"abstract_inverted_index":{"Complex":[0],"QR":[1],"factorization":[2,23,78,148],"is":[3,39,103],"a":[4,43,87,126,133,142],"fundamental":[5],"operation":[6],"used":[7],"in":[8,31,117,149],"various":[9,77],"MIMO":[10],"signal":[11],"detection":[12],"algorithms.":[13],"In":[14],"this":[15],"paper,":[16],"we":[17],"revise":[18],"the":[19,32,54,63,71,83,107,122],"Givens":[20],"Rotation":[21],"based":[22],"algorithm":[24,102],"and":[25,95,132],"develop":[26],"an":[27],"efficient":[28],"scheme":[29,51,75],"working":[30],"real":[33,46],"number":[34,47],"domain.":[35],"The":[36,49],"complex":[37,145],"matrix":[38,146],"first":[40],"extended":[41],"into":[42],"block-wise":[44],"symmetric":[45,64],"counterpart.":[48],"proposed":[50,123],"can":[52,140],"reduce":[53],"computing":[55],"complexity":[56,67],"to":[57,82,105],"almost":[58],"one":[59],"half":[60],"by":[61],"exploiting":[62],"property.":[65],"Computing":[66],"analysis":[68],"also":[69],"shows":[70],"superiority":[72],"of":[73,129,137],"our":[74],"over":[76],"schemes.":[79],"Finally,":[80],"subject":[81],"EWC":[84],"802.11n":[85],"recommendation,":[86],"novel":[88],"systolic":[89],"array":[90],"design":[91],"featuring":[92],"fully":[93],"parallel":[94],"deeply":[96],"pipelined":[97],"processing":[98],"was":[99],"presented.":[100],"CORDIC":[101],"employed":[104],"implement":[106],"required":[108],"rotation":[109],"operations":[110],"with":[111,125],"low":[112],"circuit":[113],"complexity.":[114],"Synthesis":[115],"results":[116],"TSMC":[118],"0.18\u03bcm":[119],"process":[120],"indicate":[121],"design,":[124],"gate":[127],"count":[128],"merely":[130],"17.06K":[131],"maximum":[134],"clock":[135,152],"rate":[136],"202":[138],"MHz,":[139],"admit":[141],"new":[143],"2\u00d72":[144],"for":[147],"every":[150],"8":[151],"cycles.":[153]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
