{"id":"https://openalex.org/W3190091407","doi":"https://doi.org/10.1109/jsyst.2021.3098919","title":"Spatial Multiplexing Superimposed Pilots for Multicell Multiuser MIMO Uplink Systems","display_name":"Spatial Multiplexing Superimposed Pilots for Multicell Multiuser MIMO Uplink Systems","publication_year":2021,"publication_date":"2021-08-06","ids":{"openalex":"https://openalex.org/W3190091407","doi":"https://doi.org/10.1109/jsyst.2021.3098919","mag":"3190091407"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2021.3098919","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3098919","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Systems Journal","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/A5101672541","display_name":"Yi Huang","orcid":"https://orcid.org/0000-0002-6521-6430"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Huang","raw_affiliation_strings":["School of Electronics and Information, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-6521-6430","affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020479247","display_name":"Jinni Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]},{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinni Zhang","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","Huawei Technologies Company Ltd., Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"Huawei Technologies Company Ltd., Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024902708","display_name":"Haiquan Wang","orcid":"https://orcid.org/0000-0002-8346-9802"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiquan Wang","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-8346-9802","affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038916444","display_name":"Zhijin Zhao","orcid":"https://orcid.org/0000-0002-5408-0574"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhijin Zhao","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082170709","display_name":"Haifan Yin","orcid":"https://orcid.org/0000-0002-5624-8764"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]},{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haifan Yin","raw_affiliation_strings":["Huawei Technologies Company Ltd., Shenzhen, China","Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-5624-8764","affiliations":[{"raw_affiliation_string":"Huawei Technologies Company Ltd., Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]},{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4917,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.63061344,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"16","issue":"2","first_page":"3151","last_page":"3162"},"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/T11409","display_name":"Advanced Wireless Network 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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9997000098228455,"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/mimo","display_name":"MIMO","score":0.847665548324585},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8366343975067139},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6182568073272705},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6179018020629883},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5979137420654297},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.5973904728889465},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5224934220314026},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4984273910522461},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.45096805691719055},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38443201780319214},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.34763142466545105},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34176549315452576},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24097025394439697},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23616492748260498},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23001691699028015},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20263773202896118}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.847665548324585},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8366343975067139},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6182568073272705},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6179018020629883},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5979137420654297},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.5973904728889465},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5224934220314026},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4984273910522461},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.45096805691719055},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38443201780319214},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34763142466545105},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34176549315452576},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24097025394439697},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23616492748260498},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23001691699028015},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20263773202896118}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsyst.2021.3098919","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3098919","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1971443733","https://openalex.org/W2003523039","https://openalex.org/W2023535408","https://openalex.org/W2090355293","https://openalex.org/W2105392125","https://openalex.org/W2105894891","https://openalex.org/W2106929598","https://openalex.org/W2128513990","https://openalex.org/W2134946807","https://openalex.org/W2139548827","https://openalex.org/W2140154440","https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2154424428","https://openalex.org/W2171694989","https://openalex.org/W2237176355","https://openalex.org/W2516393568","https://openalex.org/W2593779246","https://openalex.org/W2595327753","https://openalex.org/W2734523996","https://openalex.org/W2896015732","https://openalex.org/W2963199294","https://openalex.org/W2963806241","https://openalex.org/W2964216120","https://openalex.org/W2980448714","https://openalex.org/W2981935522","https://openalex.org/W3009779447"],"related_works":["https://openalex.org/W2950721519","https://openalex.org/W1030714881","https://openalex.org/W2128315032","https://openalex.org/W2336268344","https://openalex.org/W2036800514","https://openalex.org/W2108246702","https://openalex.org/W2097396380","https://openalex.org/W2098810518","https://openalex.org/W2162065658","https://openalex.org/W4282945775"],"abstract_inverted_index":{"For":[0],"a":[1,7,24],"multiple-input":[2],"multiple-output":[3],"(MIMO)":[4],"system,":[5,10],"or":[6],"multiuser":[8,33],"MIMO":[9,34],"it":[11],"is":[12,29,82,96,135],"important":[13],"to":[14,69,98],"acquire":[15],"the":[16,40,49,53,57,76,85,90,93,110,118,131],"accurate":[17],"channel":[18,26,80],"state":[19],"information.":[20],"In":[21,37],"this":[22,38,74],"article,":[23],"superimposed-pilot-based":[25],"estimation":[27,81],"scheme":[28,107,121],"proposed":[30,106],"for":[31,127],"multicell":[32],"uplink":[35],"systems.":[36],"scheme,":[39,75],"pilot":[41,54,111,125],"sequences":[42,45,55,62,126],"and":[43,56,84,92,113],"data":[44,61,94],"are":[46,63],"superimposed,":[47],"but":[48],"space":[50,58],"generated":[51],"by":[52,60],"spanned":[59],"separated":[64],"far":[65],"enough":[66],"in":[67],"order":[68],"reduce":[70],"interference.":[71],"Based":[72],"on":[73],"minimum":[77],"mean-square":[78],"error":[79],"deduced,":[83],"optimal":[86],"power":[87],"allocation":[88],"between":[89],"pilots":[91],"signals":[95],"derived":[97],"maximize":[99],"throughput.":[100],"These":[101],"results":[102],"show":[103],"that":[104],"our":[105],"can":[108],"overcome":[109],"contamination":[112],"achieve":[114],"better":[115],"performance":[116],"than":[117],"traditional":[119],"time-multiplexing":[120],"with":[122],"mutually":[123],"orthogonal":[124],"different":[128],"users":[129],"when":[130],"coherent":[132],"time":[133],"slot":[134],"limited.":[136]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}