{"id":"https://openalex.org/W1491101245","doi":"https://doi.org/10.1109/icc.2015.7249043","title":"Design of downlink training sequences for FDD massive MIMO systems","display_name":"Design of downlink training sequences for FDD massive MIMO systems","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W1491101245","doi":"https://doi.org/10.1109/icc.2015.7249043","mag":"1491101245"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2015.7249043","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2015.7249043","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-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/A5100761693","display_name":"Dong Wang","orcid":"https://orcid.org/0000-0002-4908-1361"},"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":"Dong Wang","raw_affiliation_strings":["NCRL, Southeast University, China","[NCRL, Southeast University, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NCRL, Southeast University, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[NCRL, Southeast University, China]","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100755820","display_name":"Xiangyang Wang","orcid":"https://orcid.org/0000-0002-3907-0618"},"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":"Xiangyang Wang","raw_affiliation_strings":["NCRL, Southeast University, China","[NCRL, Southeast University, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NCRL, Southeast University, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[NCRL, Southeast University, China]","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xihui Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4387153335","display_name":"China Telecom","ror":"https://ror.org/05p67dv18","country_code":null,"type":"company","lineage":["https://openalex.org/I4387153335"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xihui Yang","raw_affiliation_strings":["China Telecom, Jiangsu, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Telecom, Jiangsu, Nanjing, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4387153335"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100763761","display_name":"Yang Zhao","orcid":"https://orcid.org/0000-0002-5387-6757"},"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":"Yang Zhao","raw_affiliation_strings":["NCRL, Southeast University, China","[NCRL, Southeast University, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NCRL, Southeast University, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[NCRL, Southeast University, China]","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005863713","display_name":"Wangtao Wan","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":"Wangtao Wan","raw_affiliation_strings":["NCRL, Southeast University, China","[NCRL, Southeast University, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NCRL, Southeast University, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"[NCRL, Southeast University, China]","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0042,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.78522889,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"57","issue":null,"first_page":"4570","last_page":"4575"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10069","display_name":"Antenna Design and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9983999729156494,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8714333772659302},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.8128359913825989},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7162860631942749},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6772955656051636},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6122913360595703},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6105647683143616},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5574229955673218},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.48951995372772217},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4513099789619446},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.43830758333206177},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.43757539987564087},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.4351852536201477},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32523250579833984},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20161283016204834}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8714333772659302},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8128359913825989},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7162860631942749},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6772955656051636},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6122913360595703},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6105647683143616},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5574229955673218},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.48951995372772217},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4513099789619446},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.43830758333206177},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.43757539987564087},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.4351852536201477},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32523250579833984},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20161283016204834},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2015.7249043","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2015.7249043","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1965392255","https://openalex.org/W1965925811","https://openalex.org/W1971443733","https://openalex.org/W1990261531","https://openalex.org/W2023877378","https://openalex.org/W2034035111","https://openalex.org/W2041800218","https://openalex.org/W2070130395","https://openalex.org/W2076457767","https://openalex.org/W2083020163","https://openalex.org/W2084304524","https://openalex.org/W2093645013","https://openalex.org/W2099721949","https://openalex.org/W2100774182","https://openalex.org/W2105410495","https://openalex.org/W2106929598","https://openalex.org/W2108256297","https://openalex.org/W2117453616","https://openalex.org/W2119456443","https://openalex.org/W2125739803","https://openalex.org/W2128513990","https://openalex.org/W2129140105","https://openalex.org/W2134503975","https://openalex.org/W2136133623","https://openalex.org/W2140298543","https://openalex.org/W2141682101","https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2153000111","https://openalex.org/W2158861220","https://openalex.org/W2163068306","https://openalex.org/W2171387626","https://openalex.org/W3106282754"],"related_works":["https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2105999282","https://openalex.org/W1922070205","https://openalex.org/W2136902318","https://openalex.org/W4313028534","https://openalex.org/W2106711889","https://openalex.org/W4226210192","https://openalex.org/W2032430904"],"abstract_inverted_index":{"In":[0,68],"the":[1,27,31,45,50,55,58,65,76,79,84,90,104,112,125,134,141,152,166,175],"massive":[2,19,51,73],"Multiple-Input":[3],"Multiple-Output":[4],"(MIMO)":[5],"system,":[6],"a":[7,97,158],"large":[8,91],"number":[9,92],"of":[10,26,34,57,78,93,114,127,162],"transmit":[11,94],"antennas":[12],"are":[13],"deployed":[14],"at":[15,64],"base":[16,66],"stations.":[17],"The":[18,117],"MIMO":[20,52,74],"has":[21],"been":[22],"proposed":[23,109,176],"as":[24],"one":[25],"key":[28],"technologies":[29],"for":[30],"next":[32],"generation":[33],"wireless":[35],"communication":[36],"systems.":[37],"A":[38],"major":[39],"problem":[40],"in":[41,62,145],"practice":[42],"to":[43,89,110],"realize":[44],"capacity":[46],"improvement":[47],"promised":[48],"by":[49,140,174],"technology":[53],"is":[54,108,122,138,149,154,171],"availability":[56],"channel":[59,105,163],"state":[60],"information":[61],"downlink":[63,86],"station.":[67],"frequency":[69],"division":[70],"duplexing":[71],"(FDD)":[72],"systems,":[75],"overhead":[77,113,153],"training":[80,98,115,119,129,177],"sequences":[81,99,178],"could":[82,132],"overwhelm":[83],"precious":[85],"resources":[87],"due":[88],"antennas.":[95],"Therefore,":[96],"design":[100,179],"approach":[101],"that":[102,151],"exploits":[103],"spatial":[106],"correlation":[107],"reduce":[111],"sequences.":[116],"optimal":[118,128],"sequence":[120,130],"structure":[121],"analyzed":[123],"and":[124,157,165],"length":[126],"which":[131],"maximize":[133],"achievable":[135,168],"data":[136,169],"rate":[137,170],"evaluated":[139],"Monte":[142],"Carlo":[143],"simulations":[144],"this":[146],"paper.":[147],"It":[148],"shown":[150],"significantly":[155],"reduced":[156],"trade-off":[159],"between":[160],"accuracy":[161],"estimation":[164],"system":[167],"achieved":[172],"simultaneously":[173],"method.":[180]},"counts_by_year":[{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
