{"id":"https://openalex.org/W4224932537","doi":"https://doi.org/10.1109/icassp43922.2022.9746771","title":"Half Inverted Nested Arrays with Large Hole-Free Fourth-Order Difference Co-Arrays","display_name":"Half Inverted Nested Arrays with Large Hole-Free Fourth-Order Difference Co-Arrays","publication_year":2022,"publication_date":"2022-04-27","ids":{"openalex":"https://openalex.org/W4224932537","doi":"https://doi.org/10.1109/icassp43922.2022.9746771"},"language":"en","primary_location":{"id":"doi:10.1109/icassp43922.2022.9746771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp43922.2022.9746771","pdf_url":null,"source":{"id":"https://openalex.org/S4363607702","display_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5085132596","display_name":"Yuan-Pon Chen","orcid":"https://orcid.org/0000-0002-0850-5009"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yuan-Pon Chen","raw_affiliation_strings":["National Taiwan University,Dept. of Electrical Engineering,Taipei,Taiwan,10617"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University,Dept. of Electrical Engineering,Taipei,Taiwan,10617","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102758279","display_name":"Chun-Lin Liu","orcid":"https://orcid.org/0000-0003-3135-9684"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chun-Lin Liu","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Communication Engineering,Taipei,Taiwan,10617"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Communication Engineering,Taipei,Taiwan,10617","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":0.3691,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.46788612,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"5058","last_page":"5062"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9995999932289124,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.5831922292709351},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.486769437789917},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.43854260444641113},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.39414381980895996},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39069581031799316},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35536015033721924}],"concepts":[{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.5831922292709351},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.486769437789917},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.43854260444641113},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.39414381980895996},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39069581031799316},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35536015033721924},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp43922.2022.9746771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp43922.2022.9746771","pdf_url":null,"source":{"id":"https://openalex.org/S4363607702","display_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309618","display_name":"Ministry of Science and Technology","ror":"https://ror.org/02b207r52"},{"id":"https://openalex.org/F4320311687","display_name":"Ministry of Education","ror":"https://ror.org/03m01yf64"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W653761051","https://openalex.org/W1521990686","https://openalex.org/W1964521756","https://openalex.org/W1978318660","https://openalex.org/W2020524619","https://openalex.org/W2026101255","https://openalex.org/W2046053831","https://openalex.org/W2098174516","https://openalex.org/W2144661574","https://openalex.org/W2162654459","https://openalex.org/W2172082699","https://openalex.org/W2346607232","https://openalex.org/W2586607074","https://openalex.org/W2598194391","https://openalex.org/W2625286829","https://openalex.org/W2904550993","https://openalex.org/W2942508766","https://openalex.org/W3015894443","https://openalex.org/W3120344529","https://openalex.org/W3128888383","https://openalex.org/W3157811516","https://openalex.org/W3168923453"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2051487156","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2600246793"],"abstract_inverted_index":{"Sparse":[0],"arrays":[1],"with":[2,15,35,102],"fourth-order":[3,25,109],"cumulant":[4],"processing":[5],"can":[6,97],"identify":[7],"up":[8],"to":[9,30],"$\\mathcal{O}\\left(":[10,51,58,114],"{{N^4}}":[11,52,59,115],"\\right)$":[12,53,60],"source":[13],"directions":[14],"only":[16],"N":[17],"physical":[18],"sensors.":[19],"To":[20],"achieve":[21],"this":[22],"property,":[23],"the":[24,47,63,69,91,94,103,120],"difference":[26,110],"co-array":[27,48,111],"is":[28],"preferable":[29],"own":[31,55],"a":[32,78,107],"contiguous":[33],"segment":[34],"no":[36],"holes.":[37],"However,":[38],"existing":[39],"sparse":[40],"array":[41,73,80],"designs":[42],"either":[43],"have":[44],"holes":[45],"in":[46,62],"of":[49,77,93,112,125],"size":[50,92,113],"or":[54],"fewer":[56],"than":[57],"elements":[61],"hole-free":[64,108],"co-array.":[65],"This":[66],"paper":[67],"proposes":[68],"half":[70],"inverted":[71],"nested":[72,79,87],"(HINA),":[74],"which":[75],"consists":[76],"and":[81,85],"an":[82],"inverted,":[83],"scaled,":[84],"shifted":[86],"array.":[88],"By":[89],"maximizing":[90],"co-array,":[95],"it":[96],"be":[98],"shown":[99],"that":[100],"HINA":[101],"optimal":[104],"parameters":[105],"possesses":[106],"\\right)$.":[116],"Numerical":[117],"examples":[118],"demonstrate":[119],"improved":[121],"DOA":[122],"estimation":[123],"performance":[124],"HINA.":[126]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}