{"id":"https://openalex.org/W2012193892","doi":"https://doi.org/10.1109/iscas.2012.6271909","title":"Sorted QR decomposition for high-speed MMSE MIMO detection based wireless communication systems","display_name":"Sorted QR decomposition for high-speed MMSE MIMO detection based wireless communication systems","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2012193892","doi":"https://doi.org/10.1109/iscas.2012.6271909","mag":"2012193892"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2012.6271909","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2012.6271909","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Circuits and Systems","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/A5021983258","display_name":"Miyaoka Yuya","orcid":null},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuya Miyaoka","raw_affiliation_strings":["Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","institution_ids":["https://openalex.org/I207014233"]},{"raw_affiliation_string":"Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN","institution_ids":["https://openalex.org/I207014233"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102229492","display_name":"Yuhei Nagao","orcid":null},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuhei Nagao","raw_affiliation_strings":["Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","institution_ids":["https://openalex.org/I207014233"]},{"raw_affiliation_string":"Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN","institution_ids":["https://openalex.org/I207014233"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085351803","display_name":"Masayuki Kurosaki","orcid":"https://orcid.org/0000-0001-7016-8931"},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masayuki Kurosaki","raw_affiliation_strings":["Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","institution_ids":["https://openalex.org/I207014233"]},{"raw_affiliation_string":"Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN","institution_ids":["https://openalex.org/I207014233"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110010949","display_name":"Hiroshi Ochi","orcid":null},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Ochi","raw_affiliation_strings":["Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electronics, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan","institution_ids":["https://openalex.org/I207014233"]},{"raw_affiliation_string":"Dept. of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Iizuka, Fukuoka, JAPAN","institution_ids":["https://openalex.org/I207014233"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5021983258"],"corresponding_institution_ids":["https://openalex.org/I207014233"],"apc_list":null,"apc_paid":null,"fwci":1.7185,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.85328799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"2857","last_page":"2860"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T11130","display_name":"Coding theory and cryptography","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9980999827384949,"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":0.9116899967193604},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.8185911178588867},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6741355061531067},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6519352793693542},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.46976304054260254},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.4658198356628418},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4458487927913666},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.42541617155075073},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4191916584968567},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37158793210983276},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1315946877002716},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09082713723182678}],"concepts":[{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.9116899967193604},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8185911178588867},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6741355061531067},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6519352793693542},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.46976304054260254},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.4658198356628418},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4458487927913666},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42541617155075073},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4191916584968567},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37158793210983276},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1315946877002716},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09082713723182678},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2012.6271909","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2012.6271909","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2097174089","https://openalex.org/W2100880214","https://openalex.org/W2114837249","https://openalex.org/W2159008902","https://openalex.org/W2168830205","https://openalex.org/W2532954915","https://openalex.org/W2993290925"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W1500439066","https://openalex.org/W2542194775","https://openalex.org/W2182661536","https://openalex.org/W2021181414","https://openalex.org/W2955108753","https://openalex.org/W3107078138","https://openalex.org/W3089243066","https://openalex.org/W1987031311","https://openalex.org/W4287662466"],"abstract_inverted_index":{"In":[0,30],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,14,32,38,43,76,108],"hardware":[6],"architecture":[7,49,71,95],"of":[8,87,111,126],"high-speed":[9],"sorted":[10,33],"QR":[11,19,34],"decomposition":[12,20,35],"for":[13,56],"4\u00d74":[15,116],"MMSE-MIMO":[16],"decoder.":[17],"A":[18],"(QRD)":[21],"is":[22,37],"commonly":[23],"used":[24],"in":[25,75,99],"many":[26],"MIMO":[27,44],"detection":[28,45,58],"algorithms.":[29],"particular,":[31],"(SQRD)":[36],"advanced":[39],"algorithm":[40,63],"to":[41,89,113],"improve":[42],"performance.":[46],"The":[47,103],"proposed":[48,94,104],"can":[50,72,106],"decompose":[51],"an":[52],"augmented":[53],"channel":[54],"matrix":[55],"MMSE":[57],"by":[59],"using":[60],"modified":[61],"Gram-Schmidt":[62],"with":[64,96,121],"pipelining":[65],"and":[66],"resource":[67],"sharing":[68],"processing.":[69],"This":[70],"be":[73],"applied":[74],"high-throughput":[77],"MIMO-OFDM":[78],"system":[79],"such":[80],"as":[81],"IEEE802.11n":[82],"which":[83],"supports":[84],"data":[85],"throughput":[86],"up":[88,112],"600Mbps.":[90],"We":[91],"implement":[92],"the":[93,122],"334k":[97],"gates":[98],"90nm":[100],"CMOS":[101],"technology.":[102],"design":[105],"achieve":[107],"high":[109],"performance":[110],"50.0":[114],"million":[115],"SQRD":[117],"operations":[118],"per":[119],"second":[120],"maximum":[123],"operating":[124],"frequency":[125],"300":[127],"MHz.":[128]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
