{"id":"https://openalex.org/W2798811562","doi":"https://doi.org/10.1109/acssc.2017.8335512","title":"Proof-of-concept of flexible massive MIMO beamforming at 2.4 GHz","display_name":"Proof-of-concept of flexible massive MIMO beamforming at 2.4 GHz","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2798811562","doi":"https://doi.org/10.1109/acssc.2017.8335512","mag":"2798811562"},"language":"en","primary_location":{"id":"doi:10.1109/acssc.2017.8335512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2017.8335512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 51st Asilomar Conference on Signals, Systems, and Computers","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/A5113823482","display_name":"Thomas Wirth","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Thomas Wirth","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058464261","display_name":"Matthias Mehlhose","orcid":"https://orcid.org/0000-0002-8307-7120"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Mehlhose","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107839122","display_name":"Lars Thiele","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lars Thiele","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109187976","display_name":"Thomas Haustein","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Haustein","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5113823482"],"corresponding_institution_ids":["https://openalex.org/I2800274787"],"apc_list":null,"apc_paid":null,"fwci":0.7167,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.74392002,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1061","last_page":"1065"},"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":0.9994999766349792,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9987000226974487,"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/mimo","display_name":"MIMO","score":0.8653284907341003},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8579261302947998},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6805036067962646},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6640921831130981},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6367422938346863},{"id":"https://openalex.org/keywords/proof-of-concept","display_name":"Proof of concept","score":0.6214749217033386},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6071000695228577},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.6028377413749695},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.59666907787323},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5652738809585571},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.5648995637893677},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5117626190185547},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.447012335062027},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4456843137741089},{"id":"https://openalex.org/keywords/smart-antenna","display_name":"Smart antenna","score":0.43072250485420227},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.396018922328949},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.28046584129333496},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1967630386352539},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19044199585914612},{"id":"https://openalex.org/keywords/directional-antenna","display_name":"Directional antenna","score":0.11067655682563782}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8653284907341003},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8579261302947998},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6805036067962646},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6640921831130981},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6367422938346863},{"id":"https://openalex.org/C124978682","wikidata":"https://www.wikidata.org/wiki/Q1201019","display_name":"Proof of concept","level":2,"score":0.6214749217033386},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6071000695228577},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.6028377413749695},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.59666907787323},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5652738809585571},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.5648995637893677},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5117626190185547},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.447012335062027},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4456843137741089},{"id":"https://openalex.org/C143635782","wikidata":"https://www.wikidata.org/wiki/Q1187868","display_name":"Smart antenna","level":4,"score":0.43072250485420227},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.396018922328949},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.28046584129333496},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1967630386352539},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19044199585914612},{"id":"https://openalex.org/C64671776","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"Directional antenna","level":3,"score":0.11067655682563782},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/acssc.2017.8335512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2017.8335512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 51st Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},{"id":"pmh:oai:fraunhofer.de:N-520439","is_oa":false,"landing_page_url":"http://publica.fraunhofer.de/documents/N-520439.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400801","display_name":"Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fraunhofer HHI","raw_type":"Conference Paper"},{"id":"pmh:oai:publica.fraunhofer.de:publica/403257","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/403257","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7099999785423279,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1492170803","https://openalex.org/W2094655360","https://openalex.org/W2171342189","https://openalex.org/W2593559834"],"related_works":["https://openalex.org/W1996130034","https://openalex.org/W2606846467","https://openalex.org/W4321844144","https://openalex.org/W1500439066","https://openalex.org/W1561113522","https://openalex.org/W2159343473","https://openalex.org/W4380147564","https://openalex.org/W1574498476","https://openalex.org/W1905709045","https://openalex.org/W1987148101"],"abstract_inverted_index":{"The":[0],"next":[1],"wireless":[2],"communication":[3],"system":[4,81],"will":[5],"support":[6],"flexible":[7],"beamforming":[8,26],"and":[9,42,62],"beam-sweeping":[10],"to":[11,39,59],"realize":[12],"high":[13,25],"capacity":[14],"demands.":[15],"This":[16],"can":[17],"be":[18,60],"achieved":[19],"with":[20,82],"Massive":[21],"MIMO":[22],"systems":[23,51],"realizing":[24],"gains":[27],"as":[28,30],"well":[29],"higher":[31],"order":[32],"multi-user":[33],"multiplexing.":[34],"Real":[35],"proof-of-concepts":[36],"are":[37],"required":[38],"evaluate":[40],"algorithms":[41],"show":[43],"performance":[44],"gains.":[45],"In":[46,66],"general,":[47],"prototyping":[48],"of":[49],"M-MIMO":[50,79],"is":[52],"challenging,":[53],"since":[54],"many":[55],"transceiver":[56],"chains":[57],"have":[58],"calibrated":[61],"data":[63,92],"streams":[64],"synchronized.":[65],"this":[67],"paper,":[68],"we":[69],"perform":[70],"measurements":[71],"in":[72],"an":[73],"indoor":[74],"environment":[75],"using":[76],"a":[77],"real":[78],"SDR":[80],"16":[83],"active":[84],"antenna":[85],"ports.":[86],"System-level":[87],"simulations":[88],"on":[89],"recorded":[90],"measurement":[91],"highlight":[93],"downlink":[94],"throughput":[95],"results":[96],"for":[97],"individual":[98],"users.":[99]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
