{"id":"https://openalex.org/W4415524410","doi":"https://doi.org/10.1109/wsa65299.2025.11202816","title":"Agile Sub-Terahertz to Terahertz Broadband Time-Domain Photonic Channel Sounder","display_name":"Agile Sub-Terahertz to Terahertz Broadband Time-Domain Photonic Channel Sounder","publication_year":2025,"publication_date":"2025-09-16","ids":{"openalex":"https://openalex.org/W4415524410","doi":"https://doi.org/10.1109/wsa65299.2025.11202816"},"language":"en","primary_location":{"id":"doi:10.1109/wsa65299.2025.11202816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa65299.2025.11202816","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 28th International Workshop on Smart Antennas (WSA)","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/A5069068205","display_name":"Ramez Askar","orcid":"https://orcid.org/0000-0003-4009-5633"},"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":"Ramez Askar","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013013927","display_name":"Garrit Schwanke","orcid":"https://orcid.org/0000-0001-9849-8641"},"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":"Garrit Schwanke","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083710799","display_name":"Milan Deumer","orcid":"https://orcid.org/0000-0002-4721-3738"},"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":"Milan Deumer","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044859365","display_name":"Alper Schultze","orcid":"https://orcid.org/0000-0002-9497-7896"},"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":"Alper Schultze","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067921799","display_name":"Nico Vieweg","orcid":"https://orcid.org/0009-0006-1470-5142"},"institutions":[{"id":"https://openalex.org/I4210095416","display_name":"Toptica Photonics (Germany)","ror":"https://ror.org/00t9ms296","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210095416"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Nico Vieweg","raw_affiliation_strings":["TOPTICA Photonics AG,Graefelfing,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TOPTICA Photonics AG,Graefelfing,Germany","institution_ids":["https://openalex.org/I4210095416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058712826","display_name":"Thomas Puppe","orcid":"https://orcid.org/0000-0002-1724-9019"},"institutions":[{"id":"https://openalex.org/I4210095416","display_name":"Toptica Photonics (Germany)","ror":"https://ror.org/00t9ms296","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210095416"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Puppe","raw_affiliation_strings":["TOPTICA Photonics AG,Graefelfing,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TOPTICA Photonics AG,Graefelfing,Germany","institution_ids":["https://openalex.org/I4210095416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102016659","display_name":"Sebastian M\u00fcller","orcid":"https://orcid.org/0000-0002-6020-4991"},"institutions":[{"id":"https://openalex.org/I4210095416","display_name":"Toptica Photonics (Germany)","ror":"https://ror.org/00t9ms296","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210095416"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sebastian M\u00fcller","raw_affiliation_strings":["TOPTICA Photonics AG,Graefelfing,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TOPTICA Photonics AG,Graefelfing,Germany","institution_ids":["https://openalex.org/I4210095416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5120126718","display_name":"Albrecht Neudecker","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095416","display_name":"Toptica Photonics (Germany)","ror":"https://ror.org/00t9ms296","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210095416"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Albrecht Neudecker","raw_affiliation_strings":["TOPTICA Photonics AG,Graefelfing,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TOPTICA Photonics AG,Graefelfing,Germany","institution_ids":["https://openalex.org/I4210095416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035790393","display_name":"Oliver Stiewe","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":"Oliver Stiewe","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049029990","display_name":"Robert B. Kohlhaas","orcid":"https://orcid.org/0000-0003-4765-1954"},"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":"Robert B. Kohlhaas","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021417880","display_name":"Shahram Keyvaninia","orcid":"https://orcid.org/0000-0002-6629-4115"},"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":"Shahram Keyvaninia","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056941260","display_name":"Robert Elschner","orcid":"https://orcid.org/0000-0002-0149-4546"},"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":"Robert Elschner","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032865809","display_name":"Colja Schubert","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":"Colja Schubert","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053776864","display_name":"Ronald Freund","orcid":"https://orcid.org/0000-0001-9427-3437"},"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":"Ronald Freund","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058387181","display_name":"Michael Peter","orcid":"https://orcid.org/0000-0002-6267-8699"},"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":"Michael Peter","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, HHI,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028961241","display_name":"Taro Eichler","orcid":null},"institutions":[{"id":"https://openalex.org/I205156485","display_name":"Rohde & Schwarz (Germany)","ror":"https://ror.org/048j11q41","country_code":"DE","type":"company","lineage":["https://openalex.org/I205156485"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Taro Eichler","raw_affiliation_strings":["Rohde &#x0026; Schwarz GmbH &#x0026; Co. KG,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rohde &#x0026; Schwarz GmbH &#x0026; Co. KG,Munich,Germany","institution_ids":["https://openalex.org/I205156485"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070311893","display_name":"Wilhelm Keusgen","orcid":"https://orcid.org/0000-0002-2335-8270"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wilhelm Keusgen","raw_affiliation_strings":["Technische Universit&#x00E4;t Berlin,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universit&#x00E4;t Berlin,Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":17,"corresponding_author_ids":["https://openalex.org/A5069068205"],"corresponding_institution_ids":["https://openalex.org/I2800274787"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28693411,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"164","last_page":"169"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9975000023841858,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9975000023841858,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9934999942779541,"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/T10232","display_name":"Optical Network Technologies","score":0.9721999764442444,"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/broadband","display_name":"Broadband","score":0.8090999722480774},{"id":"https://openalex.org/keywords/channel-sounding","display_name":"Channel sounding","score":0.6388000249862671},{"id":"https://openalex.org/keywords/photonics","display_name":"Photonics","score":0.5957000255584717},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.5455999970436096},{"id":"https://openalex.org/keywords/superheterodyne-receiver","display_name":"Superheterodyne receiver","score":0.5284000039100647},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5264999866485596},{"id":"https://openalex.org/keywords/broadband-networks","display_name":"Broadband networks","score":0.5227000117301941},{"id":"https://openalex.org/keywords/heterodyne","display_name":"Heterodyne (poetry)","score":0.5024999976158142},{"id":"https://openalex.org/keywords/heterodyne-detection","display_name":"Heterodyne detection","score":0.45590001344680786},{"id":"https://openalex.org/keywords/agile-software-development","display_name":"Agile software development","score":0.45570001006126404}],"concepts":[{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.8090999722480774},{"id":"https://openalex.org/C2781127089","wikidata":"https://www.wikidata.org/wiki/Q25051821","display_name":"Channel sounding","level":4,"score":0.6388000249862671},{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.5957000255584717},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5570999979972839},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.5455999970436096},{"id":"https://openalex.org/C55366258","wikidata":"https://www.wikidata.org/wiki/Q332683","display_name":"Superheterodyne receiver","level":3,"score":0.5284000039100647},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5264999866485596},{"id":"https://openalex.org/C125599584","wikidata":"https://www.wikidata.org/wiki/Q15057100","display_name":"Broadband networks","level":3,"score":0.5227000117301941},{"id":"https://openalex.org/C2780497637","wikidata":"https://www.wikidata.org/wiki/Q16938394","display_name":"Heterodyne (poetry)","level":2,"score":0.5024999976158142},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49149999022483826},{"id":"https://openalex.org/C204003914","wikidata":"https://www.wikidata.org/wiki/Q760140","display_name":"Heterodyne detection","level":3,"score":0.45590001344680786},{"id":"https://openalex.org/C14185376","wikidata":"https://www.wikidata.org/wiki/Q30232","display_name":"Agile software development","level":2,"score":0.45570001006126404},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.39820000529289246},{"id":"https://openalex.org/C178824520","wikidata":"https://www.wikidata.org/wiki/Q5502853","display_name":"Frequency agility","level":3,"score":0.38999998569488525},{"id":"https://openalex.org/C85608190","wikidata":"https://www.wikidata.org/wiki/Q922050","display_name":"Wireless broadband","level":4,"score":0.373199999332428},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.35359999537467957},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.3379000127315521},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.33149999380111694},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.32850000262260437},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3215000033378601},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3160000145435333},{"id":"https://openalex.org/C55510283","wikidata":"https://www.wikidata.org/wiki/Q1382947","display_name":"Depth sounding","level":2,"score":0.3147999942302704},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31060001254081726},{"id":"https://openalex.org/C2778812306","wikidata":"https://www.wikidata.org/wiki/Q1275318","display_name":"Channel spacing","level":4,"score":0.30649998784065247},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.29739999771118164},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2971000075340271},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2937999963760376},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.28870001435279846},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.2856999933719635},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.2768999934196472},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.27649998664855957},{"id":"https://openalex.org/C8480308","wikidata":"https://www.wikidata.org/wiki/Q244948","display_name":"Intermediate frequency","level":3,"score":0.27549999952316284},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2687999904155731},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.2565000057220459},{"id":"https://openalex.org/C121477167","wikidata":"https://www.wikidata.org/wiki/Q17154002","display_name":"Semiconductor laser theory","level":3,"score":0.2565000057220459}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wsa65299.2025.11202816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa65299.2025.11202816","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 28th International Workshop on Smart Antennas (WSA)","raw_type":"proceedings-article"},{"id":"pmh:oai:publica.fraunhofer.de:publica/503927","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/503927","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2138706041","https://openalex.org/W2905574041","https://openalex.org/W3210191353","https://openalex.org/W4289421348","https://openalex.org/W4309751421","https://openalex.org/W4321021817","https://openalex.org/W4361986593","https://openalex.org/W4388016174","https://openalex.org/W4389403388","https://openalex.org/W4391934439","https://openalex.org/W4395663382","https://openalex.org/W4400654309","https://openalex.org/W4402834752","https://openalex.org/W4408109758"],"related_works":[],"abstract_inverted_index":{"This":[0,65],"paper":[1],"presents":[2],"the":[3,24,75,84,115,118],"design":[4,66],"and":[5,63,69,91,97,109,126,134],"implementation":[6],"of":[7,18,46,77,117],"an":[8],"agile":[9],"sub-terahertz":[10],"(sub-THz)":[11],"broadband":[12,59,92],"time-domain":[13,119],"photonic":[14,40,120],"channel":[15,99,121],"sounder,":[16],"capable":[17],"characterizing":[19],"wireless":[20],"propagation":[21],"channels":[22],"within":[23],"100":[25],"GHz":[26,29],"to":[27,50],"500":[28],"frequency":[30,52,72],"range.":[31],"The":[32,112],"sounder":[33,122],"employs":[34],"a":[35,51,124],"hybrid":[36],"architecture":[37],"that":[38],"combines":[39],"carrier":[41,71],"generation":[42],"through":[43],"heterodyne":[44],"mixing":[45],"continuous-wave":[47],"lasers":[48],"locked":[49],"comb,":[53],"along":[54],"with":[55],"electronic":[56],"components":[57],"for":[58,129],"sounding":[60],"sequence":[61],"synthesis":[62],"digitization.":[64],"enables":[67],"precise":[68],"tunable":[70],"generation,":[73],"overcoming":[74],"limitations":[76],"traditional":[78],"electronic-only":[79],"systems.":[80],"Experimental":[81],"evaluations":[82],"highlight":[83],"system's":[85],"high":[86],"temporal":[87],"resolution,":[88],"phase":[89],"stability,":[90],"performance,":[93],"including":[94],"over-the-air":[95],"calibration":[96],"monostatic":[98],"measurements":[100],"across":[101],"three":[102],"sub-THz":[103,136],"bands":[104],"(160":[105],"GHz,":[106,108],"300":[107],"450":[110],"GHz).":[111],"results":[113],"establish":[114],"feasibility":[116],"as":[123],"powerful":[125],"versatile":[127],"tool":[128],"measuring":[130],"various,":[131],"widely":[132],"scattered,":[133],"spread":[135],"bands.":[137]},"counts_by_year":[],"updated_date":"2026-04-26T08:31:28.666265","created_date":"2025-10-24T00:00:00"}
