{"id":"https://openalex.org/W2593399084","doi":"https://doi.org/10.1109/lcomm.2017.2678465","title":"Pilot-Data Superposition for Beam-Based FDD Massive MIMO Downlinks","display_name":"Pilot-Data Superposition for Beam-Based FDD Massive MIMO Downlinks","publication_year":2017,"publication_date":"2017-03-06","ids":{"openalex":"https://openalex.org/W2593399084","doi":"https://doi.org/10.1109/lcomm.2017.2678465","mag":"2593399084"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2017.2678465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2017.2678465","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/A5008150938","display_name":"Zhiyuan Jiang","orcid":"https://orcid.org/0000-0002-8522-5721"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhiyuan Jiang","raw_affiliation_strings":["Electronic Engineering Department, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8522-5721","affiliations":[{"raw_affiliation_string":"Electronic Engineering Department, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021120517","display_name":"Sheng Zhou","orcid":"https://orcid.org/0000-0003-0651-0071"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Zhou","raw_affiliation_strings":["Electronic Engineering Department, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic Engineering Department, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020798769","display_name":"Ruichen Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruichen Deng","raw_affiliation_strings":["Electronic Engineering Department, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic Engineering Department, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079749340","display_name":"Zhisheng Niu","orcid":"https://orcid.org/0000-0003-0420-2024"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhisheng Niu","raw_affiliation_strings":["Electronic Engineering Department, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic Engineering Department, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044419947","display_name":"Shan Cao","orcid":"https://orcid.org/0000-0003-3713-8671"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shan Cao","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5008150938"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.4611,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.82934741,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"21","issue":"6","first_page":"1357","last_page":"1360"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9995999932289124,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9994000196456909,"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":0.7656737565994263},{"id":"https://openalex.org/keywords/superposition-principle","display_name":"Superposition principle","score":0.691399872303009},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6758124232292175},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6657860279083252},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.6139655113220215},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6008282899856567},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5590996146202087},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.5102941989898682},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.4900156557559967},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4595228135585785},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.43861329555511475},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4038345515727997},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.380581796169281},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3546827435493469},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3503078818321228},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19426614046096802},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1723078191280365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1682748794555664},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12954425811767578}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7656737565994263},{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.691399872303009},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6758124232292175},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6657860279083252},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.6139655113220215},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6008282899856567},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5590996146202087},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.5102941989898682},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.4900156557559967},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4595228135585785},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.43861329555511475},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4038345515727997},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.380581796169281},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3546827435493469},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3503078818321228},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19426614046096802},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1723078191280365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1682748794555664},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12954425811767578},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2017.2678465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2017.2678465","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1981906322","https://openalex.org/W2015301486","https://openalex.org/W2036030019","https://openalex.org/W2045840914","https://openalex.org/W2131048683","https://openalex.org/W2151795416","https://openalex.org/W2170738062","https://openalex.org/W2190375219","https://openalex.org/W2262158838","https://openalex.org/W2964079960","https://openalex.org/W3104159172","https://openalex.org/W6692608142"],"related_works":["https://openalex.org/W2116541631","https://openalex.org/W2167568384","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2088352174","https://openalex.org/W2544668827","https://openalex.org/W2082469387","https://openalex.org/W1985632843","https://openalex.org/W3084132786"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"propose":[4],"a":[5],"superposition":[6,58],"signaling":[7,59],"of":[8,52,60],"pilots":[9,23,61,75],"and":[10,24,46,62],"data":[11,25,65],"scheme":[12,36,90],"(SPD)":[13],"for":[14],"beam-based":[15],"frequency-division-duplex":[16],"massive":[17],"multiple-input":[18],"multiple-output":[19],"systems,":[20],"which":[21],"allows":[22],"to":[26,41],"be":[27],"transmitted":[28],"simultaneously":[29],"in":[30],"the":[31,43,50,78,88,92],"downlink.":[32],"The":[33],"proposed":[34],"SPD":[35,79,89],"leverages":[37],"spatial":[38],"channel":[39,55],"correlations":[40,56],"reduce":[42],"dimensionality":[44,71],"loss,":[45],"more":[47],"importantly,":[48],"addresses":[49],"problem":[51],"uneven":[53],"user":[54],"by":[57,87],"information":[63],"bearing":[64],"symbols.":[66],"Essentially,":[67],"users":[68],"with":[69],"smaller":[70],"loss":[72],"entail":[73],"less":[74],"based":[76],"on":[77],"scheme.":[80],"Simulations":[81],"results":[82],"reveal":[83],"significant":[84],"throughput":[85],"gain":[86],"over":[91],"state-of-the-art":[93],"pilot-based":[94],"approaches.":[95]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}