{"id":"https://openalex.org/W2095842100","doi":"https://doi.org/10.1109/lcomm.2006.1576550","title":"Optimal pilot sequence design for channel estimation in MIMO OFDM systems","display_name":"Optimal pilot sequence design for channel estimation in MIMO OFDM systems","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W2095842100","doi":"https://doi.org/10.1109/lcomm.2006.1576550","mag":"2095842100"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2006.1576550","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2006.1576550","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","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/A5084461937","display_name":"Die Hu","orcid":"https://orcid.org/0000-0001-8081-8512"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Die Hu","raw_affiliation_strings":["Department of Radio Engineering, South-East University, Nanjing, China","[Dept. of Radio Eng., Southeast Univ., Nanjing, China]"],"affiliations":[{"raw_affiliation_string":"Department of Radio Engineering, South-East University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[Dept. of Radio Eng., Southeast Univ., Nanjing, China]","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103545301","display_name":"Luxi Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Luxi Yang","raw_affiliation_strings":["Department of Radio Engineering, South-East University, Nanjing, China","[Dept. of Radio Eng., Southeast Univ., Nanjing, China]"],"affiliations":[{"raw_affiliation_string":"Department of Radio Engineering, South-East University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[Dept. of Radio Eng., Southeast Univ., Nanjing, China]","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028722013","display_name":"Yuhui Shi","orcid":"https://orcid.org/0000-0003-2655-6907"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuhui Shi","raw_affiliation_strings":["Electronic Data Systems Corporation, Indianapolis, IN, USA","[Electronic Data Systems Corporation, Indianapolis, IN, USA]"],"affiliations":[{"raw_affiliation_string":"Electronic Data Systems Corporation, Indianapolis, IN, USA","institution_ids":[]},{"raw_affiliation_string":"[Electronic Data Systems Corporation, Indianapolis, IN, USA]","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091130234","display_name":"Lianghua He","orcid":"https://orcid.org/0000-0002-5250-170X"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lianghua He","raw_affiliation_strings":["Department of Radio Engineering, South-East University, Nanjing, China","[Department of Radio Engineering, South-East University, Nanjing, China]"],"affiliations":[{"raw_affiliation_string":"Department of Radio Engineering, South-East University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[Department of Radio Engineering, South-East University, Nanjing, China]","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5084461937"],"corresponding_institution_ids":["https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":8.6502,"has_fulltext":false,"cited_by_count":96,"citation_normalized_percentile":{"value":0.97985385,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"10","issue":"1","first_page":"1","last_page":"3"},"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/T11248","display_name":"Advanced Power Amplifier Design","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":0.8802244663238525},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6781191825866699},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.6758750677108765},{"id":"https://openalex.org/keywords/pilot-signal","display_name":"Pilot signal","score":0.650860071182251},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6347734928131104},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5724457502365112},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4787261188030243},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4515092968940735},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.43702933192253113},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.36390888690948486},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24530547857284546}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8802244663238525},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6781191825866699},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.6758750677108765},{"id":"https://openalex.org/C197264572","wikidata":"https://www.wikidata.org/wiki/Q2095206","display_name":"Pilot signal","level":3,"score":0.650860071182251},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6347734928131104},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5724457502365112},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4787261188030243},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4515092968940735},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.43702933192253113},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.36390888690948486},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24530547857284546},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2006.1576550","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2006.1576550","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2136180922","https://openalex.org/W2144433515","https://openalex.org/W2158377227","https://openalex.org/W2166873702","https://openalex.org/W3148388057"],"related_works":["https://openalex.org/W4243590696","https://openalex.org/W2167898718","https://openalex.org/W2533938898","https://openalex.org/W2339722592","https://openalex.org/W2890717620","https://openalex.org/W3134820808","https://openalex.org/W1984489278","https://openalex.org/W2117468794","https://openalex.org/W2182727356","https://openalex.org/W2403575807"],"abstract_inverted_index":{"In":[0,28],"orthogonal":[1],"frequency":[2],"division":[3],"multiplexing":[4],"(OFDM)":[5],"systems,":[6],"since":[7],"virtual":[8],"subcarriers":[9],"are":[10],"not":[11,23],"used":[12],"for":[13,55],"transmission,":[14],"approach":[15],"of":[16,50,66],"conventional":[17],"uniformly":[18],"placed":[19],"pilot":[20,34,40],"tones":[21],"is":[22],"applicable":[24],"in":[25],"some":[26],"situations.":[27],"this":[29],"letter,":[30],"based":[31],"on":[32],"nonuniform":[33],"tone":[35],"placement,":[36],"we":[37],"derive":[38],"optimal":[39],"sequences,":[41],"which":[42],"can":[43],"achieve":[44],"the":[45,51,64,67],"minimum":[46],"mean":[47],"square":[48],"error":[49],"least":[52],"squares":[53],"estimate":[54],"multiple-input":[56],"multiple-output":[57],"(MIMO)":[58],"OFDM":[59],"systems.":[60],"Simulation":[61],"results":[62],"demonstrate":[63],"effectiveness":[65],"proposed":[68],"approach.":[69]},"counts_by_year":[{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}