{"id":"https://openalex.org/W2790244709","doi":"https://doi.org/10.1109/tsp.2018.2806358","title":"Hybrid Analog\u2013Digital Transmit Beamforming for Spectrum Sharing Backhaul Networks","display_name":"Hybrid Analog\u2013Digital Transmit Beamforming for Spectrum Sharing Backhaul Networks","publication_year":2018,"publication_date":"2018-02-15","ids":{"openalex":"https://openalex.org/W2790244709","doi":"https://doi.org/10.1109/tsp.2018.2806358","mag":"2790244709"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2018.2806358","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2806358","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/2117/117155","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070905739","display_name":"Miguel \u00c1ngel V\u00e1zquez","orcid":"https://orcid.org/0000-0002-1659-5390"},"institutions":[{"id":"https://openalex.org/I4210087295","display_name":"Centre Tecnologic de Telecomunicacions de Catalunya","ror":"https://ror.org/001cwea56","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210087295","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Miguel Angel Vazquez","raw_affiliation_strings":["Centre Tecnol\u00f2gic de les Telecomunicacions de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Centre Tecnol\u00f2gic de les Telecomunicacions de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I4210087295"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034210599","display_name":"Luis Blanco","orcid":"https://orcid.org/0000-0002-2300-8385"},"institutions":[{"id":"https://openalex.org/I4210087295","display_name":"Centre Tecnologic de Telecomunicacions de Catalunya","ror":"https://ror.org/001cwea56","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210087295","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Luis Blanco","raw_affiliation_strings":["Centre Tecnol\u00f2gic de les Telecomunicacions de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Centre Tecnol\u00f2gic de les Telecomunicacions de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I4210087295"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046234769","display_name":"Ana I. P\u00e8rez-Neira","orcid":"https://orcid.org/0000-0003-4281-3934"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ana I. Perez-Neira","raw_affiliation_strings":["Universitat Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5070905739"],"corresponding_institution_ids":["https://openalex.org/I4210087295"],"apc_list":null,"apc_paid":null,"fwci":2.7387,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.90730624,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"66","issue":"9","first_page":"2273","last_page":"2285"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9995999932289124,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8464071750640869},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6882476806640625},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.6771023273468018},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.6296758651733398},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.5330044031143188},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5161503553390503},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.5154929757118225},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4927885830402374},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.38072454929351807},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.27253684401512146},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21307337284088135},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.19870370626449585},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.19418704509735107},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15121802687644958},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.1034669578075409}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8464071750640869},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6882476806640625},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.6771023273468018},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.6296758651733398},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.5330044031143188},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5161503553390503},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.5154929757118225},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4927885830402374},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.38072454929351807},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.27253684401512146},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21307337284088135},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.19870370626449585},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.19418704509735107},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15121802687644958},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.1034669578075409}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tsp.2018.2806358","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2806358","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/117155","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/117155","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:oai:zenodo.org:1196401","is_oa":true,"landing_page_url":"https://zenodo.org/record/1196401","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Signal Processing 66(9) 2273-2285","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/117155","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/117155","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W776482163","https://openalex.org/W1921359321","https://openalex.org/W1951602908","https://openalex.org/W1991056455","https://openalex.org/W1991264581","https://openalex.org/W1996215314","https://openalex.org/W2014075533","https://openalex.org/W2036672508","https://openalex.org/W2041287972","https://openalex.org/W2053521124","https://openalex.org/W2063773941","https://openalex.org/W2069892151","https://openalex.org/W2091012876","https://openalex.org/W2105235982","https://openalex.org/W2137853299","https://openalex.org/W2160693951","https://openalex.org/W2195833401","https://openalex.org/W2221524898","https://openalex.org/W2259391824","https://openalex.org/W2272804037","https://openalex.org/W2334773614","https://openalex.org/W2507544873","https://openalex.org/W2525086471","https://openalex.org/W2529388890","https://openalex.org/W2552903010","https://openalex.org/W2585862295","https://openalex.org/W2603004342","https://openalex.org/W2963135408","https://openalex.org/W2963451416","https://openalex.org/W3098535947","https://openalex.org/W3100992968","https://openalex.org/W6680293426","https://openalex.org/W6683671590"],"related_works":["https://openalex.org/W2780252087","https://openalex.org/W2890273742","https://openalex.org/W2121063273","https://openalex.org/W2337309234","https://openalex.org/W2130902301","https://openalex.org/W4390447722","https://openalex.org/W2923631784","https://openalex.org/W2092456355","https://openalex.org/W1981344466","https://openalex.org/W2158075901"],"abstract_inverted_index":{"This":[0,89],"paper":[1,90],"deals":[2],"with":[3,32,118],"the":[4,24,34,64,69,74,81,86,92,96,127,144],"problem":[5],"of":[6,38,85,95],"analog-digital":[7,41],"transmit":[8],"beamforming":[9,42,87,147],"under":[10],"spectrum":[11],"sharing":[12],"constraints":[13],"for":[14],"backhaul":[15],"systems.":[16],"In":[17,110],"contrast":[18],"to":[19,112,126,136,143],"fully":[20,145],"digital":[21,39,70,99,146],"designs,":[22],"where":[23],"spatial":[25],"processing":[26,47,66],"is":[27,48,123,134],"done":[28,49],"at":[29],"baseband":[30],"unit":[31],"all":[33],"flexible":[35],"computational":[36],"resources":[37],"processors,":[40],"schemes":[43],"require":[44],"that":[45,140],"certain":[46],"through":[50],"analog":[51,59,97],"components,":[52],"such":[53],"as":[54,68],"phase-shifters":[55],"or":[56],"switches.":[57],"These":[58],"components":[60],"do":[61],"not":[62],"have":[63],"same":[65],"flexibility":[67],"processor,":[71],"but":[72],"on":[73],"other":[75],"hand,":[76],"they":[77],"can":[78],"substantially":[79],"reduce":[80],"cost":[82],"and":[83,98,107],"complexity":[84],"solution.":[88],"presents":[91],"joint":[93],"optimization":[94,117],"parts,":[100],"which":[101],"results":[102],"in":[103],"a":[104,119,138],"nonconvex,":[105],"NP-hard,":[106],"coupled":[108],"problem.":[109],"order":[111],"solve":[113],"it,":[114],"an":[115],"alternating":[116],"penalized":[120],"convex-concave":[121],"method":[122],"proposed.":[124],"According":[125],"simulation":[128],"results,":[129],"this":[130],"novel":[131],"iterative":[132],"procedure":[133],"able":[135],"find":[137],"solution":[139],"behaves":[141],"close":[142],"upper":[148],"bound":[149],"scheme.":[150]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":4}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
