{"id":"https://openalex.org/W1977692936","doi":"https://doi.org/10.1142/s0218126607003691","title":"PILOT-AIDED MULTIUSER CHANNEL ESTIMATION AND TRACKING IN MIMO-OFDM SYSTEMS","display_name":"PILOT-AIDED MULTIUSER CHANNEL ESTIMATION AND TRACKING IN MIMO-OFDM SYSTEMS","publication_year":2007,"publication_date":"2007-06-01","ids":{"openalex":"https://openalex.org/W1977692936","doi":"https://doi.org/10.1142/s0218126607003691","mag":"1977692936"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126607003691","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126607003691","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":false,"raw_author_name":"QINGHAI YANG","raw_affiliation_strings":["Telecommunication Engineering Laboratory, Graduate School of Information, Technology and Telecommunications, Inha University, #253 Yonghyun-dong, Nam-gu, Incheon, 402-751, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Engineering Laboratory, Graduate School of Information, Technology and Telecommunications, Inha University, #253 Yonghyun-dong, Nam-gu, Incheon, 402-751, 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":["Telecommunication Engineering Laboratory, Graduate School of Information, Technology and Telecommunications, Inha University, #253 Yonghyun-dong, Nam-gu, Incheon, 402-751, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Engineering Laboratory, Graduate School of Information, Technology and Telecommunications, Inha University, #253 Yonghyun-dong, Nam-gu, Incheon, 402-751, Korea","institution_ids":["https://openalex.org/I191879574"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I191879574"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.06636664,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"03","first_page":"319","last_page":"335"},"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":0.9997000098228455,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9995999932289124,"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":0.7671959400177002},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7475004196166992},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7400314807891846},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6291826963424683},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.6203424334526062},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5966518521308899},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.5884459614753723},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4686761498451233},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.45673251152038574},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3536444306373596},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.342521071434021},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32249391078948975},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.2659502923488617},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2371772825717926},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22999730706214905},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.05704817175865173}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7671959400177002},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7475004196166992},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7400314807891846},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6291826963424683},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.6203424334526062},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5966518521308899},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.5884459614753723},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4686761498451233},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.45673251152038574},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3536444306373596},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.342521071434021},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32249391078948975},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.2659502923488617},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2371772825717926},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22999730706214905},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.05704817175865173},{"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/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218126607003691","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126607003691","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1601759414","https://openalex.org/W1963714730","https://openalex.org/W2118040894","https://openalex.org/W2119207405","https://openalex.org/W2132818688","https://openalex.org/W2133475491","https://openalex.org/W2140050892","https://openalex.org/W2141840384","https://openalex.org/W2144366564","https://openalex.org/W2165818999","https://openalex.org/W2166873702","https://openalex.org/W2172254946"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2187587942"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"the":[3,12,42,48,92],"pilot-aided":[4,50],"multiuser":[5,39,77,80],"least":[6],"square":[7,94],"(LS)":[8],"channel":[9,52,69,99,103],"estimation":[10,53,70,87],"for":[11,85],"uplink":[13],"of":[14,47,97,110],"multiple-input":[15],"multiple-output":[16],"(MIMO)":[17],"orthogonal":[18],"frequency":[19,43],"division":[20],"multiplexing":[21],"(OFDM)":[22],"systems.":[23],"The":[24,65],"systems":[25,57],"under":[26],"consideration":[27],"allow":[28],"all":[29,32],"users":[30],"use":[31],"available":[33],"subcarriers":[34],"independently":[35],"and":[36,67],"thus":[37],"involve":[38],"interference":[40],"in":[41,108],"domain.":[44],"Direct":[45],"application":[46],"known":[49],"single-user":[51],"methods":[54,88],"to":[55,75,91],"these":[56],"is":[58],"prohibited,":[59],"requiring":[60],"much":[61],"more":[62],"new":[63],"investigations.":[64],"decentralized":[66],"centralized":[68,86],"algorithms":[71,105],"are":[72,82,106],"developed":[73],"according":[74],"different":[76],"scenarios.":[78],"Optimal":[79],"pilots":[81],"proposed,":[83],"especially":[84],"with":[89],"respect":[90],"mean":[93],"error":[95],"(MSE)":[96],"LS":[98],"estimate.":[100],"In":[101],"addition,":[102],"tracking":[104],"represented":[107],"terms":[109],"individual":[111],"user's":[112],"channels.":[113]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
