{"id":"https://openalex.org/W4408353051","doi":"https://doi.org/10.1109/icassp49660.2025.10889350","title":"Cram\u00e9r-Rao Bounds for Wideband Near-Field Sensing","display_name":"Cram\u00e9r-Rao Bounds for Wideband Near-Field Sensing","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408353051","doi":"https://doi.org/10.1109/icassp49660.2025.10889350"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10889350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889350","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5067581273","display_name":"Tong Wei","orcid":"https://orcid.org/0000-0002-2104-2694"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Tong Wei","raw_affiliation_strings":["University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082119521","display_name":"Kumar Vijay Mishra","orcid":"https://orcid.org/0000-0002-5386-609X"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Kumar Vijay Mishra","raw_affiliation_strings":["University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037131275","display_name":"Linlong Wu","orcid":"https://orcid.org/0000-0003-4521-2026"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Linlong Wu","raw_affiliation_strings":["University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033404980","display_name":"Bhavani Shankar M. R.","orcid":"https://orcid.org/0000-0002-3638-1349"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Bhavani Shankar Mysore Rama Rao","raw_affiliation_strings":["University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Interdisciplinary Centre for Security, Reliability and Trust (SnT)","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5067581273"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":0.7467,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.69336229,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11851","display_name":"Electromagnetic Compatibility and Measurements","score":0.9961000084877014,"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/T11851","display_name":"Electromagnetic Compatibility and Measurements","score":0.9961000084877014,"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/T11607","display_name":"Microwave and Dielectric Measurement Techniques","score":0.9945999979972839,"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":0.9800999760627747,"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/wideband","display_name":"Wideband","score":0.6745363473892212},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5140836834907532},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4167044162750244},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3484937846660614},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24524438381195068},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.242521733045578},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17120012640953064}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.6745363473892212},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5140836834907532},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4167044162750244},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3484937846660614},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24524438381195068},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.242521733045578},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17120012640953064},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10889350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889350","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","score":0.4699999988079071,"display_name":"Climate action"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1498332621","https://openalex.org/W1536252645","https://openalex.org/W2064191652","https://openalex.org/W2123331874","https://openalex.org/W2134055594","https://openalex.org/W2134316930","https://openalex.org/W2153684415","https://openalex.org/W2357400875","https://openalex.org/W2535161902","https://openalex.org/W2904173057","https://openalex.org/W2914202397","https://openalex.org/W2972473258","https://openalex.org/W2973744088","https://openalex.org/W3049511683","https://openalex.org/W3135884249","https://openalex.org/W3160418042","https://openalex.org/W3169405625","https://openalex.org/W4322576964","https://openalex.org/W4360596735","https://openalex.org/W4381785767","https://openalex.org/W4390692564","https://openalex.org/W4391547707","https://openalex.org/W4392719405","https://openalex.org/W4394939012","https://openalex.org/W4394950678","https://openalex.org/W4401507640","https://openalex.org/W4402170632","https://openalex.org/W4403210225","https://openalex.org/W4408697701","https://openalex.org/W6862926267"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3112081258","https://openalex.org/W1480343695","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2315892906","https://openalex.org/W2358668433","https://openalex.org/W4396701345"],"abstract_inverted_index":{"The":[0,53],"evolution":[1],"of":[2,12],"array":[3],"signal":[4],"processing":[5],"technologies":[6],"is":[7],"progressing":[8],"toward":[9],"the":[10,60,64,80,88,97],"deployment":[11],"compact,":[13],"densely":[14],"arranged":[15],"sensors":[16],"to":[17,25,66,86],"form":[18],"extremely":[19],"large":[20],"aperture":[21],"arrays":[22],"(ELAA),":[23],"aiming":[24],"significantly":[26],"improve":[27],"angular":[28],"resolution":[29],"and":[30,74,106],"beamforming":[31],"gain.":[32],"In":[33],"this":[34],"paper,":[35],"we":[36],"propose":[37],"a":[38],"wideband":[39,57,99],"near-field":[40,100],"sensing":[41,101],"system":[42,102],"that":[43,96],"combines":[44],"orthogonal":[45],"frequency-division":[46],"multiplexing":[47],"(OFDM)":[48],"signaling":[49],"with":[50],"ELAA":[51,54],"technology.":[52],"transmitter":[55],"emits":[56],"signals,":[58],"while":[59],"radar":[61,75],"receiver":[62],"processes":[63],"echoes":[65],"estimate":[67],"critical":[68],"target":[69],"parameters,":[70],"including":[71],"location,":[72],"velocity,":[73],"cross-section.":[76],"We":[77],"then":[78],"derive":[79],"generalized":[81],"Cram\u00e9r-Rao":[82],"lower":[83,111],"bound":[84],"(CRB)":[85],"assess":[87],"OFDM":[89],"system\u2019s":[90],"estimation":[91],"performance.":[92],"Numerical":[93],"experiments":[94],"reveal":[95],"proposed":[98],"outperforms":[103],"its":[104],"far-field":[105],"narrowband":[107],"counterparts":[108],"by":[109],"achieving":[110],"CRB":[112],"values.":[113]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}
