{"id":"https://openalex.org/W2095092716","doi":"https://doi.org/10.1142/s0218126607003988","title":"OPTIMAL TRAINING DESIGN FOR MIMO\u2013OFDM SYSTEMS UNDER SPATIALLY CORRELATED DOUBLY SELECTIVE FADING CHANNELS","display_name":"OPTIMAL TRAINING DESIGN FOR MIMO\u2013OFDM SYSTEMS UNDER SPATIALLY CORRELATED DOUBLY SELECTIVE FADING CHANNELS","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2095092716","doi":"https://doi.org/10.1142/s0218126607003988","mag":"2095092716"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126607003988","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126607003988","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","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/A5019050606","display_name":"Qinghai Yang","orcid":"https://orcid.org/0000-0003-0636-3681"},"institutions":[{"id":"https://openalex.org/I191879574","display_name":"Inha University","ror":"https://ror.org/01easw929","country_code":"KR","type":"education","lineage":["https://openalex.org/I191879574"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"QINGHAI YANG","raw_affiliation_strings":["Graduate School of Information Technology and Telecommunications, Inha University, #253 Yonghyun-Dong, Nam-gu, Incheon, 402-751, South Korea"],"affiliations":[{"raw_affiliation_string":"Graduate School of Information Technology and Telecommunications, Inha University, #253 Yonghyun-Dong, Nam-gu, Incheon, 402-751, South Korea","institution_ids":["https://openalex.org/I191879574"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049374079","display_name":"Kyung Sup Kwak","orcid":"https://orcid.org/0000-0002-9559-4352"},"institutions":[{"id":"https://openalex.org/I191879574","display_name":"Inha University","ror":"https://ror.org/01easw929","country_code":"KR","type":"education","lineage":["https://openalex.org/I191879574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"KYUNG SUP KWAK","raw_affiliation_strings":["Graduate School of Information Technology and Telecommunications, Inha University, #253 Yonghyun-Dong, Nam-gu, Incheon, 402-751, South Korea"],"affiliations":[{"raw_affiliation_string":"Graduate School of Information Technology and Telecommunications, Inha University, #253 Yonghyun-Dong, Nam-gu, Incheon, 402-751, South Korea","institution_ids":["https://openalex.org/I191879574"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5019050606"],"corresponding_institution_ids":["https://openalex.org/I191879574"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13832588,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"05","first_page":"673","last_page":"697"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994999766349792,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9991999864578247,"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/fading","display_name":"Fading","score":0.8558104634284973},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7827980518341064},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6981738805770874},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5793720483779907},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5717574954032898},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.5477116703987122},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5191020965576172},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5157780647277832},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5022852420806885},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.476578950881958},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.47171586751937866},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4400278925895691},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4235302209854126},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41983145475387573},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3985392451286316},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24392321705818176},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.23464033007621765},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.08156484365463257},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.060848772525787354}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.8558104634284973},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7827980518341064},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6981738805770874},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5793720483779907},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5717574954032898},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.5477116703987122},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5191020965576172},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5157780647277832},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5022852420806885},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.476578950881958},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.47171586751937866},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4400278925895691},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4235302209854126},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41983145475387573},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3985392451286316},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24392321705818176},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.23464033007621765},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.08156484365463257},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.060848772525787354},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"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:10.1142/s0218126607003988","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126607003988","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","score":0.8100000023841858,"display_name":"Clean water and sanitation"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1601759414","https://openalex.org/W1996872397","https://openalex.org/W2056414370","https://openalex.org/W2106929598","https://openalex.org/W2108256297","https://openalex.org/W2118040894","https://openalex.org/W2128865660","https://openalex.org/W2130868358","https://openalex.org/W2132818688","https://openalex.org/W2133203703","https://openalex.org/W2136180922","https://openalex.org/W2143651813","https://openalex.org/W2151144578","https://openalex.org/W2156788281","https://openalex.org/W2166873702","https://openalex.org/W2172254946"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2187587942","https://openalex.org/W2102394268","https://openalex.org/W2382010743","https://openalex.org/W2412068431","https://openalex.org/W2103590590"],"abstract_inverted_index":{"In":[0,126],"this":[1],"paper,":[2],"we":[3],"design":[4],"an":[5,107],"optimal":[6,33,59,109,134],"training":[7,83],"scheme":[8,111],"for":[9,62,82,124,128],"multi-input":[10],"multi-output":[11],"(MIMO)":[12],"orthogonal":[13],"frequency":[14],"division":[15],"multiplexing":[16],"(OFDM)":[17],"systems":[18],"under":[19],"spatially":[20],"correlated":[21],"time-":[22],"and":[23,36,147],"frequency-":[24],"(doubly)":[25],"selective":[26],"fading":[27],"channels.":[28],"We":[29,55],"first":[30],"develop":[31],"the":[32,44,51,58,71,88,93,103,114,119,133,143,150],"pilot":[34,39,63,104,137],"symbols":[35,64,105],"placement":[37],"of":[38,50,95,121,136],"clusters":[40,138],"with":[41,106],"respect":[42],"to":[43,79,87,102,113],"minimum":[45],"mean":[46],"square":[47],"error":[48],"(MMSE)":[49],"linear":[52],"channel":[53,151],"estimate.":[54],"then":[56],"derive":[57],"power":[60,78,101,123],"allocation":[61],"in":[65],"a":[66,129],"two-water-level":[67],"way:":[68],"by":[69,141,148],"maximizing":[70,142],"averaged":[72],"capacity":[73,144],"lower":[74,145],"bound,":[75],"how":[76],"much":[77],"be":[80],"allocated":[81],"is":[84,139],"determined":[85],"subject":[86,112],"global":[89],"water":[90,116],"level":[91,117],"(or":[92,118],"constraint":[94,120],"total":[96],"transmit":[97],"power);":[98],"subsequently,":[99],"pouring":[100],"approximately":[108],"water-filling":[110],"local":[115],"assigned":[122],"training).":[125],"addition,":[127],"particular":[130],"OFDM":[131],"size,":[132],"number":[135],"derived":[140],"bound":[146],"minimizing":[149],"estimate's":[152],"MMSE.":[153]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
