{"id":"https://openalex.org/W2109998722","doi":"https://doi.org/10.1109/wcnc.2013.6555171","title":"Optimal pilot design for LMMSE channel estimation in MIMO-OFDM systems","display_name":"Optimal pilot design for LMMSE channel estimation in MIMO-OFDM systems","publication_year":2013,"publication_date":"2013-04-01","ids":{"openalex":"https://openalex.org/W2109998722","doi":"https://doi.org/10.1109/wcnc.2013.6555171","mag":"2109998722"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2013.6555171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2013.6555171","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5077488891","display_name":"Bin Jiang","orcid":"https://orcid.org/0000-0002-6291-5869"},"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":"Bin Jiang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076401090","display_name":"Xin Xiong","orcid":"https://orcid.org/0000-0001-9861-9239"},"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":"Xin Xiong","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050692023","display_name":"Xiqi Gao","orcid":"https://orcid.org/0000-0001-9107-6593"},"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":"Xiqi Gao","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.24182465,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"59","issue":null,"first_page":"3748","last_page":"3752"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7525227069854736},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7063130736351013},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6337704658508301},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5981317758560181},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5363537073135376},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5278180241584778},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5226711630821228},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.47177624702453613},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4599859118461609},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.449527382850647},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.44889193773269653},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4405277967453003},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.42772653698921204},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.42445114254951477},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4223087430000305},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2172483205795288},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17822811007499695},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.08827143907546997},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.07741552591323853}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7525227069854736},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7063130736351013},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6337704658508301},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5981317758560181},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5363537073135376},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5278180241584778},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5226711630821228},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.47177624702453613},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4599859118461609},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.449527382850647},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.44889193773269653},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4405277967453003},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.42772653698921204},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.42445114254951477},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4223087430000305},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2172483205795288},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17822811007499695},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.08827143907546997},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.07741552591323853},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc.2013.6555171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2013.6555171","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1965392255","https://openalex.org/W2095842100","https://openalex.org/W2097550788","https://openalex.org/W2111963917","https://openalex.org/W2115775584","https://openalex.org/W2117424426","https://openalex.org/W2130868358","https://openalex.org/W2141503790","https://openalex.org/W2148871837","https://openalex.org/W2165466025","https://openalex.org/W2166873702","https://openalex.org/W2167466178","https://openalex.org/W2170311302"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W2102394268","https://openalex.org/W2382010743","https://openalex.org/W2412068431","https://openalex.org/W2103590590","https://openalex.org/W2156672692"],"abstract_inverted_index":{"In":[0,68],"this":[1],"paper,":[2],"we":[3,78],"investigate":[4],"the":[5,24,28,39,52,56,61,70,85,91,97,101,107],"optimal":[6,18,53,86,108],"pilot":[7,19,54,95],"for":[8],"multiple-input":[9],"multiple-output":[10],"and":[11,46,100],"orthogonal":[12],"frequency-division":[13],"multiplexing":[14],"(MIMO-OFDM)":[15],"systems.":[16],"The":[17],"is":[20,36,55],"obtained":[21],"by":[22],"minimizing":[23],"mean-square-error":[25],"(MSE)":[26],"of":[27],"linear":[29],"minimum":[30],"MSE":[31],"(LMMSE)":[32],"channel":[33,40],"estimation,":[34],"which":[35],"related":[37],"to":[38,83],"correlation":[41],"matrices":[42],"in":[43,60],"space,":[44],"time,":[45],"frequency":[47],"domains.":[48],"We":[49],"obtain":[50],"that":[51,90],"statistical":[57,93],"precoded":[58,94],"sequence":[59],"transmit":[62],"eigenmode":[63],"with":[64],"proper":[65],"power":[66,71],"allocation.":[67],"general,":[69],"allocation":[72],"has":[73],"no":[74],"closed-form":[75],"solution,":[76],"so":[77],"present":[79],"some":[80],"suboptimal":[81,102],"schemes":[82,103],"approximate":[84,106],"one.":[87,109],"Simulations":[88],"show":[89],"proposed":[92],"outperforms":[96],"conventional":[98],"one,":[99],"can":[104],"well":[105]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
