{"id":"https://openalex.org/W2724108627","doi":"https://doi.org/10.23919/wiopt.2017.7959904","title":"Non-uniform directional dictionary-based limited feedback for massive MIMO systems","display_name":"Non-uniform directional dictionary-based limited feedback for massive MIMO systems","publication_year":2017,"publication_date":"2017-05-01","ids":{"openalex":"https://openalex.org/W2724108627","doi":"https://doi.org/10.23919/wiopt.2017.7959904","mag":"2724108627"},"language":"en","primary_location":{"id":"doi:10.23919/wiopt.2017.7959904","is_oa":false,"landing_page_url":"https://doi.org/10.23919/wiopt.2017.7959904","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","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/A5085515421","display_name":"Panos N. Alevizos","orcid":"https://orcid.org/0000-0002-8825-1191"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Panos N. Alevizos","raw_affiliation_strings":["School of Electrical and Computer Engineering, Technical University of Crete"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Technical University of Crete","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015075381","display_name":"Xiao Fu","orcid":"https://orcid.org/0000-0003-4847-9586"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiao Fu","raw_affiliation_strings":["Dept. of Electrical and Computer Engineering, University of Minnesota"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, University of Minnesota","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050186120","display_name":"Nicholas D. Sidiropoulos","orcid":"https://orcid.org/0000-0002-3385-7911"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nicholas Sidiropoulos","raw_affiliation_strings":["Dept. of Electrical and Computer Engineering, University of Minnesota"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, University of Minnesota","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101920531","display_name":"Ye Yang","orcid":"https://orcid.org/0000-0002-7661-0396"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ye Yang","raw_affiliation_strings":["Physical Layer & RRM IC Algorithm Dept., WN Huawei Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physical Layer & RRM IC Algorithm Dept., WN Huawei Co., Ltd","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091712734","display_name":"Aggelos Bletsas","orcid":"https://orcid.org/0000-0002-6961-5244"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Aggelos Bletsas","raw_affiliation_strings":["School of Electrical and Computer Engineering, Technical University of Crete"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Technical University of Crete","institution_ids":["https://openalex.org/I55741626"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"61","issue":null,"first_page":"1","last_page":"8"},"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9994999766349792,"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":0.9994000196456909,"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/computer-science","display_name":"Computer science","score":0.7758342623710632},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7294104099273682},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6594428420066833},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.643743634223938},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6163681745529175},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6062325835227966},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5230461359024048},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5108751654624939},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48367270827293396},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.4434947371482849},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3299367427825928},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17100560665130615},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10830888152122498}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7758342623710632},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7294104099273682},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6594428420066833},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.643743634223938},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6163681745529175},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6062325835227966},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5230461359024048},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5108751654624939},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48367270827293396},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.4434947371482849},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3299367427825928},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17100560665130615},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10830888152122498},{"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:10.23919/wiopt.2017.7959904","is_oa":false,"landing_page_url":"https://doi.org/10.23919/wiopt.2017.7959904","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1582706191","https://openalex.org/W1939715090","https://openalex.org/W1970279382","https://openalex.org/W1970830346","https://openalex.org/W1971443733","https://openalex.org/W1987623159","https://openalex.org/W2036030019","https://openalex.org/W2039538800","https://openalex.org/W2060430274","https://openalex.org/W2074120933","https://openalex.org/W2077949195","https://openalex.org/W2084304524","https://openalex.org/W2100755644","https://openalex.org/W2103759700","https://openalex.org/W2111895931","https://openalex.org/W2112038498","https://openalex.org/W2113271807","https://openalex.org/W2116141601","https://openalex.org/W2120103401","https://openalex.org/W2130521103","https://openalex.org/W2134503975","https://openalex.org/W2137628444","https://openalex.org/W2137990311","https://openalex.org/W2147601077","https://openalex.org/W2195833401","https://openalex.org/W2227902027","https://openalex.org/W2236834722","https://openalex.org/W2289625596","https://openalex.org/W2587236994","https://openalex.org/W2964003909","https://openalex.org/W2964322027","https://openalex.org/W2985849463","https://openalex.org/W3112681748","https://openalex.org/W3114364191","https://openalex.org/W3151595784","https://openalex.org/W4245893053","https://openalex.org/W4254197176","https://openalex.org/W6676670120","https://openalex.org/W6689220637","https://openalex.org/W6696598689"],"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/W2561058892","https://openalex.org/W4224872188","https://openalex.org/W4285223123","https://openalex.org/W4386970495"],"abstract_inverted_index":{"This":[0],"work":[1],"proposes":[2],"a":[3,14,49,92,136,161],"new":[4],"limited":[5,52],"feedback":[6,53,96,140,154],"channel":[7,22,100],"estimation":[8,101],"framework.":[9],"The":[10,70],"proposed":[11,63,118,133],"approach":[12],"exploits":[13],"sparse":[15,47],"representation":[16],"of":[17,76,95,109,138,144,164],"the":[18,32,67,107,117,132,158],"double":[19],"directional":[20],"wireless":[21],"model":[23],"involving":[24],"an":[25],"over":[26],"complete":[27],"dictionary":[28],"that":[29,55,131],"accounts":[30],"for":[31,80,121,148],"antenna":[33],"directivity":[34],"patterns":[35],"at":[36],"both":[37],"base":[38],"station":[39],"(BS)":[40],"and":[41,78,152],"user":[42],"equipment":[43],"(UE).":[44],"Under":[45],"this":[46],"representation,":[48],"computationally":[50],"efficient":[51],"algorithm":[54,71,134],"is":[56,62,72,103,112],"based":[57],"on":[58],"single-bit":[59],"compressive":[60],"sensing":[61],"to":[64],"effectively":[65],"estimate":[66],"downlink":[68,150],"channel.":[69],"lightweight":[73],"in":[74,83,142],"terms":[75,143],"computation,":[77],"suitable":[79],"real-time":[81],"implementation":[82],"practical":[84],"systems.":[85],"More":[86],"importantly,":[87],"under":[88],"our":[89],"design,":[90],"using":[91],"small":[93],"number":[94,108,137,163],"bits,":[97],"very":[98,113],"satisfactory":[99],"accuracy":[102],"achieved":[104],"even":[105],"when":[106,157],"BS":[110,159],"antennas":[111],"large,":[114],"which":[115],"makes":[116],"scheme":[119],"ideal":[120],"massive":[122],"MIMO":[123],"5G":[124],"cellular":[125],"networks.":[126],"Judiciously":[127],"designed":[128],"simulations":[129],"reveal":[130],"outperforms":[135],"popular":[139],"schemes":[141],"beam":[145],"forming":[146],"gain":[147],"subsequent":[149],"transmission,":[151],"reduces":[153],"overhead":[155],"substantially":[156],"has":[160],"large":[162],"antennas.":[165]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":5}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}