{"id":"https://openalex.org/W2111322952","doi":"https://doi.org/10.1109/mcom.2008.4623722","title":"Integrated true-time-delay-based ultra-wideband array processing","display_name":"Integrated true-time-delay-based ultra-wideband array processing","publication_year":2008,"publication_date":"2008-09-01","ids":{"openalex":"https://openalex.org/W2111322952","doi":"https://doi.org/10.1109/mcom.2008.4623722","mag":"2111322952"},"language":"en","primary_location":{"id":"doi:10.1109/mcom.2008.4623722","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.2008.4623722","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"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 Communications Magazine","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/A5003381141","display_name":"Hossein Hashemi","orcid":"https://orcid.org/0000-0002-3329-7061"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"H. Hashemi","raw_affiliation_strings":["University of Southern California, USA","University of Southern , California , USA"],"affiliations":[{"raw_affiliation_string":"University of Southern California, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"University of Southern , California , USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069182447","display_name":"Ta-Shun Chu","orcid":"https://orcid.org/0000-0003-0012-1745"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ta-shun Chu","raw_affiliation_strings":["University of Southern California, USA","University of Southern , California , USA"],"affiliations":[{"raw_affiliation_string":"University of Southern California, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"University of Southern , California , USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047700821","display_name":"Jonathan Roderick","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Roderick","raw_affiliation_strings":["University of Southern California, USA","University of Southern , California , USA"],"affiliations":[{"raw_affiliation_string":"University of Southern California, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"University of Southern , California , USA","institution_ids":["https://openalex.org/I1174212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5003381141"],"corresponding_institution_ids":["https://openalex.org/I1174212"],"apc_list":null,"apc_paid":null,"fwci":4.3996,"has_fulltext":false,"cited_by_count":133,"citation_normalized_percentile":{"value":0.94372267,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"46","issue":"9","first_page":"162","last_page":"172"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12024","display_name":"Ultra-Wideband Communications Technology","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/T12024","display_name":"Ultra-Wideband Communications Technology","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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.9968000054359436,"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/computer-science","display_name":"Computer science","score":0.7744836211204529},{"id":"https://openalex.org/keywords/array-processing","display_name":"Array processing","score":0.6841222047805786},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.6049715280532837},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.590192973613739},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.5616123676300049},{"id":"https://openalex.org/keywords/emphasis","display_name":"Emphasis (telecommunications)","score":0.5562030076980591},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5271177887916565},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.5008120536804199},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.47003597021102905},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"Ultra-wideband","score":0.4663587808609009},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.41029587388038635},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3068040609359741},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.18802371621131897},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10191115736961365}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7744836211204529},{"id":"https://openalex.org/C2778545087","wikidata":"https://www.wikidata.org/wiki/Q4795883","display_name":"Array processing","level":4,"score":0.6841222047805786},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.6049715280532837},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.590192973613739},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.5616123676300049},{"id":"https://openalex.org/C177454536","wikidata":"https://www.wikidata.org/wiki/Q578290","display_name":"Emphasis (telecommunications)","level":2,"score":0.5562030076980591},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5271177887916565},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5008120536804199},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.47003597021102905},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.4663587808609009},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.41029587388038635},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3068040609359741},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.18802371621131897},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10191115736961365},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mcom.2008.4623722","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.2008.4623722","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"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 Communications Magazine","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1953710574","https://openalex.org/W1992271171","https://openalex.org/W2016613135","https://openalex.org/W2025516544","https://openalex.org/W2099557197","https://openalex.org/W2107756577","https://openalex.org/W2159842051","https://openalex.org/W2170045763","https://openalex.org/W2171846997","https://openalex.org/W2290478327","https://openalex.org/W3203992401","https://openalex.org/W6654637402","https://openalex.org/W6696930947"],"related_works":["https://openalex.org/W2944275504","https://openalex.org/W2090967414","https://openalex.org/W4379654103","https://openalex.org/W2982297524","https://openalex.org/W2129508208","https://openalex.org/W2347893079","https://openalex.org/W2351060036","https://openalex.org/W3131682829","https://openalex.org/W200518853","https://openalex.org/W2103757589"],"abstract_inverted_index":{"This":[0],"article":[1],"covers":[2],"the":[3,18],"basic":[4],"principles":[5],"of":[6,45],"true-time-delay":[7],"(TTD)-based":[8],"space-time":[9],"array":[10,22,25,30,59],"processors":[11],"and":[12,29,36,65],"ultra-wideband":[13],"beamformers.":[14],"General":[15],"considerations":[16],"regarding":[17],"need":[19],"for":[20,34],"TTD":[21],"processing,":[23,60],"optimum":[24],"size,":[26],"antenna":[27],"spacing,":[28],"patterns":[31],"are":[32,49,67],"discussed":[33],"communication":[35],"imaging":[37,64],"UWB":[38,46,57],"arrays.":[39],"Several":[40],"recent":[41],"integrated":[42],"circuit":[43],"implementations":[44],"TTD-based":[47,58],"beamformers":[48],"presented.":[50],"A":[51],"few":[52],"commercial":[53],"applications":[54],"that":[55],"warrant":[56],"with":[61],"emphasis":[62],"on":[63],"sensing,":[66],"also":[68],"described.":[69]},"counts_by_year":[{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":6}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}