{"id":"https://openalex.org/W2047244551","doi":"https://doi.org/10.1109/tcsi.2013.2239431","title":"A Cost-Effective Preamble-Assisted Engine With Skew Calibrator for Frequency-Dependent I/Q Imbalance in 4$\\,\\times\\,$4 MIMO-OFDM Modem","display_name":"A Cost-Effective Preamble-Assisted Engine With Skew Calibrator for Frequency-Dependent I/Q Imbalance in 4$\\,\\times\\,$4 MIMO-OFDM Modem","publication_year":2013,"publication_date":"2013-02-01","ids":{"openalex":"https://openalex.org/W2047244551","doi":"https://doi.org/10.1109/tcsi.2013.2239431","mag":"2047244551"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2013.2239431","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2013.2239431","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-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/A5035336390","display_name":"Wei-Chi Lai","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Chi Lai","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076719291","display_name":"Yuan-Te Liao","orcid":"https://orcid.org/0000-0001-8586-485X"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yuan-Te Liao","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110070105","display_name":"Terng-Yin Hsu","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Terng-Yin Hsu","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan","institution_ids":["https://openalex.org/I148366613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":1.0285,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.79569845,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"60","issue":"8","first_page":"2199","last_page":"2212"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/T11417","display_name":"Advancements in PLL and VCO Technologies","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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9994000196456909,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7088032364845276},{"id":"https://openalex.org/keywords/skew","display_name":"Skew","score":0.6567367315292358},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5707042813301086},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.5268099308013916},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.517634928226471},{"id":"https://openalex.org/keywords/preamble","display_name":"Preamble","score":0.5149503350257874},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5101438164710999},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.472420334815979},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4198454022407532},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.28419482707977295},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21544486284255981},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1949010193347931},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.15159937739372253}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7088032364845276},{"id":"https://openalex.org/C43711488","wikidata":"https://www.wikidata.org/wiki/Q7534783","display_name":"Skew","level":2,"score":0.6567367315292358},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5707042813301086},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.5268099308013916},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.517634928226471},{"id":"https://openalex.org/C2780691134","wikidata":"https://www.wikidata.org/wiki/Q1129448","display_name":"Preamble","level":3,"score":0.5149503350257874},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5101438164710999},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.472420334815979},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4198454022407532},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.28419482707977295},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21544486284255981},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1949010193347931},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.15159937739372253}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsi.2013.2239431","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2013.2239431","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W70023025","https://openalex.org/W1506950392","https://openalex.org/W1511028545","https://openalex.org/W1587873068","https://openalex.org/W1595104169","https://openalex.org/W1964074857","https://openalex.org/W1994406803","https://openalex.org/W2002553149","https://openalex.org/W2022601992","https://openalex.org/W2058989901","https://openalex.org/W2068238307","https://openalex.org/W2072942269","https://openalex.org/W2098796319","https://openalex.org/W2099749341","https://openalex.org/W2104362597","https://openalex.org/W2107589266","https://openalex.org/W2114226430","https://openalex.org/W2115198688","https://openalex.org/W2117496770","https://openalex.org/W2118547155","https://openalex.org/W2130584754","https://openalex.org/W2137120286","https://openalex.org/W2138398785","https://openalex.org/W2147912039","https://openalex.org/W2152525743","https://openalex.org/W2155260992","https://openalex.org/W2159719005","https://openalex.org/W2169097663","https://openalex.org/W6635193823"],"related_works":["https://openalex.org/W2104421608","https://openalex.org/W2010378487","https://openalex.org/W2120825387","https://openalex.org/W2033692824","https://openalex.org/W2183273440","https://openalex.org/W2181352736","https://openalex.org/W2164367930","https://openalex.org/W4385774821","https://openalex.org/W2811018130","https://openalex.org/W2056657278"],"abstract_inverted_index":{"Variations":[0],"in":[1,20],"I/Q":[2,13,95],"gains,":[3],"phases,":[4],"and":[5,48,60,76,78,134,151],"filters":[6],"of":[7,29,113,121],"the":[8,26,84,106],"RF":[9],"frontend,":[10],"namely":[11],"frequency-dependent":[12],"imbalance":[14],"(FDI),":[15],"are":[16],"an":[17,110],"important":[18],"factor":[19],"OFDM-based":[21],"wireless":[22],"access.":[23],"To":[24],"enable":[25],"proper":[27],"function":[28],"a":[30,39,87,118,126],"4":[31,33],"\u00d7":[32],"MIMO-OFDM":[34],"receiver":[35],"this":[36,139],"work":[37],"proposes":[38],"low-complexity":[40],"preamble-assisted":[41],"solution":[42,140],"using":[43],"only":[44,142],"one":[45,49],"complex":[46,50],"divider":[47],"multiplier":[51],"to":[52,67,93,116],"handle":[53],"significant":[54],"FDI":[55,74,149],"distortions.":[56],"An":[57],"all-digital":[58],"multiphase":[59,99],"multi-rate":[61],"clock":[62],"generator":[63],"(MPRCG)":[64],"was":[65,90],"built":[66],"support":[68],"fast":[69],"dynamic":[70],"frequency":[71],"scaling":[72],"for":[73,79],"estimation":[75,150],"compensation":[77,152],"efficient":[80],"implementation.":[81],"Based":[82],"on":[83],"proposed":[85,107],"MPRCG,":[86],"skew":[88],"calibration":[89],"also":[91,147],"realized":[92],"tune":[94],"timing":[96],"coherently":[97],"via":[98],"A/D":[100],"clocking.":[101],"Performance":[102],"evaluation":[103],"showed":[104],"that":[105],"approach":[108],"incurs":[109],"SNR":[111],"loss":[112],"1.5":[114],"dB":[115,128],"maintain":[117],"packet-error":[119],"rate":[120],"less":[122],"than":[123],"10%":[124],"under":[125],"1":[127],"gain":[129],"error,":[130],"15":[131],"phase":[132],"error":[133],"worse":[135],"filter":[136],"mismatch.":[137],"Thus,":[138],"not":[141],"provides":[143],"adequate":[144],"performance,":[145],"but":[146],"makes":[148],"more":[153],"cost-effective.":[154]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
