{"id":"https://openalex.org/W3161769696","doi":"https://doi.org/10.1109/spawc51858.2021.9593112","title":"IRS-Assisted Active Device Detection","display_name":"IRS-Assisted Active Device Detection","publication_year":2021,"publication_date":"2021-09-27","ids":{"openalex":"https://openalex.org/W3161769696","doi":"https://doi.org/10.1109/spawc51858.2021.9593112","mag":"3161769696"},"language":"en","primary_location":{"id":"doi:10.1109/spawc51858.2021.9593112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc51858.2021.9593112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 22nd International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2105.04149","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035971695","display_name":"Friedemann Laue","orcid":"https://orcid.org/0000-0002-7477-8312"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]},{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Friedemann Laue","raw_affiliation_strings":["Fraunhofer IIS","Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)"],"affiliations":[{"raw_affiliation_string":"Fraunhofer IIS","institution_ids":["https://openalex.org/I4210124274"]},{"raw_affiliation_string":"Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087843323","display_name":"Vahid Jamali","orcid":"https://orcid.org/0000-0003-3920-7415"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Vahid Jamali","raw_affiliation_strings":["Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033990377","display_name":"Robert Schober","orcid":"https://orcid.org/0000-0002-6420-4884"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Robert Schober","raw_affiliation_strings":["Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"Friedrich\u2010Alexander University Erlangen\u2010N\u00fcrnberg (FAU)","institution_ids":["https://openalex.org/I181369854"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5035971695"],"corresponding_institution_ids":["https://openalex.org/I181369854","https://openalex.org/I4210124274"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0412241,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"556","last_page":"560"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9897000193595886,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9864000082015991,"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/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.6812796592712402},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6064103841781616},{"id":"https://openalex.org/keywords/likelihood-ratio-test","display_name":"Likelihood-ratio test","score":0.5370665192604065},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.5329365134239197},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4792785346508026},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4722394645214081},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3803037405014038},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2131417989730835},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21011614799499512},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07897615432739258}],"concepts":[{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.6812796592712402},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6064103841781616},{"id":"https://openalex.org/C9483764","wikidata":"https://www.wikidata.org/wiki/Q585740","display_name":"Likelihood-ratio test","level":2,"score":0.5370665192604065},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5329365134239197},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4792785346508026},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4722394645214081},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3803037405014038},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2131417989730835},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21011614799499512},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07897615432739258},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/spawc51858.2021.9593112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc51858.2021.9593112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 22nd International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2105.04149","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2105.04149","pdf_url":"https://arxiv.org/pdf/2105.04149","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},{"id":"mag:3161769696","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2105.04149.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:null:publica/417184","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/417184","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":"","raw_type":"conference paper"},{"id":"doi:10.48550/arxiv.2105.04149","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2105.04149","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2105.04149","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2105.04149","pdf_url":"https://arxiv.org/pdf/2105.04149","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1996215314","https://openalex.org/W2007104311","https://openalex.org/W2108672684","https://openalex.org/W2739210139","https://openalex.org/W2912240042","https://openalex.org/W2969424089","https://openalex.org/W3000404972","https://openalex.org/W3043220753","https://openalex.org/W3115103619","https://openalex.org/W3117633996","https://openalex.org/W3128224604","https://openalex.org/W3128947043","https://openalex.org/W6788018975"],"related_works":["https://openalex.org/W3214231027","https://openalex.org/W2066091639","https://openalex.org/W2891484801","https://openalex.org/W3144635242","https://openalex.org/W2932946108","https://openalex.org/W2159512962","https://openalex.org/W3099909623","https://openalex.org/W2950503198","https://openalex.org/W2961431852","https://openalex.org/W78297313","https://openalex.org/W2079241163","https://openalex.org/W2995954612","https://openalex.org/W123401940","https://openalex.org/W2318694736","https://openalex.org/W2128886171","https://openalex.org/W2229083306","https://openalex.org/W3049509763","https://openalex.org/W1893603709","https://openalex.org/W2016734036","https://openalex.org/W2045281523"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"intelligent":[3],"reflecting":[4],"surface":[5],"(IRS)":[6],"assisted":[7],"active":[8],"device":[9],"detection.":[10],"Since":[11],"the":[12,15,59,67,83,91,94,105,110],"locations":[13],"of":[14,62,93,107],"devices":[16],"are":[17],"a":[18,29,33,44],"priori":[19],"unknown,":[20],"optimal":[21],"IRS":[22,54,84],"beam":[23],"alignment":[24],"is":[25,37],"not":[26],"possible":[27],"and":[28,52],"worst-case":[30,60],"design":[31,56,114],"for":[32,82,98],"given":[34],"coverage":[35,100],"area":[36],"developed.":[38],"To":[39],"this":[40],"end,":[41],"we":[42,72,103],"propose":[43],"generalized":[45],"likelihood":[46],"ratio":[47],"test":[48],"(GLRT)":[49],"detection":[50],"scheme":[51],"an":[53],"phase-shift":[55,70],"that":[57],"minimizes":[58],"probability":[61],"misdetection.":[63],"In":[64],"addition":[65],"to":[66],"proposed":[68,111],"optimization-based":[69,95],"design,":[71,96],"consider":[73],"two":[74],"alternative":[75],"suboptimal":[76],"designs":[77],"based":[78,113],"on":[79,109],"closed-form":[80],"expressions":[81],"phase":[85],"shifts.":[86],"Our":[87],"performance":[88],"analysis":[89],"establishes":[90],"superiority":[92],"especially":[97],"large":[99],"areas.":[101],"Furthermore,":[102],"investigate":[104],"impact":[106],"scatterers":[108],"line-of-sight":[112],"using":[115],"simulations.":[116]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}