{"id":"https://openalex.org/W2765769139","doi":"https://doi.org/10.1109/lsp.2017.2766294","title":"A New Nested MIMO Array With Increased Degrees of Freedom and Hole-Free Difference Coarray","display_name":"A New Nested MIMO Array With Increased Degrees of Freedom and Hole-Free Difference Coarray","publication_year":2017,"publication_date":"2017-10-25","ids":{"openalex":"https://openalex.org/W2765769139","doi":"https://doi.org/10.1109/lsp.2017.2766294","mag":"2765769139"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2017.2766294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2017.2766294","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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/A5102966656","display_name":"Minglei Yang","orcid":"https://orcid.org/0000-0002-9637-8088"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Minglei Yang","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101926390","display_name":"Lei Sun","orcid":"https://orcid.org/0000-0001-7680-6455"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Sun","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015431603","display_name":"Xin Yuan","orcid":"https://orcid.org/0000-0002-8311-7524"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xin Yuan","raw_affiliation_strings":["Bell Labs, Murray Hill, USA"],"affiliations":[{"raw_affiliation_string":"Bell Labs, Murray Hill, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046538404","display_name":"Baixiao Chen","orcid":"https://orcid.org/0000-0001-7320-327X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Baixiao Chen","raw_affiliation_strings":["Bell Labs, Murray Hill, USA"],"affiliations":[{"raw_affiliation_string":"Bell Labs, Murray Hill, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102966656"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":6.5416,"has_fulltext":false,"cited_by_count":71,"citation_normalized_percentile":{"value":0.97512132,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"25","issue":"1","first_page":"40","last_page":"44"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9990000128746033,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9983999729156494,"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/mimo","display_name":"MIMO","score":0.8073641061782837},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.7222030162811279},{"id":"https://openalex.org/keywords/coprime-integers","display_name":"Coprime integers","score":0.7206747531890869},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.6412224769592285},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.6326649785041809},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.6206101179122925},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5767326354980469},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.507529616355896},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44943347573280334},{"id":"https://openalex.org/keywords/array-gain","display_name":"Array gain","score":0.4454251825809479},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.43309780955314636},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4106118083000183},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4089277982711792},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.3350728750228882},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32989436388015747},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.298883318901062},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2753717303276062},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06827858090400696}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8073641061782837},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.7222030162811279},{"id":"https://openalex.org/C23230895","wikidata":"https://www.wikidata.org/wiki/Q104752","display_name":"Coprime integers","level":2,"score":0.7206747531890869},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.6412224769592285},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.6326649785041809},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.6206101179122925},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5767326354980469},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.507529616355896},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44943347573280334},{"id":"https://openalex.org/C136664719","wikidata":"https://www.wikidata.org/wiki/Q4795880","display_name":"Array gain","level":4,"score":0.4454251825809479},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.43309780955314636},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4106118083000183},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4089277982711792},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.3350728750228882},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32989436388015747},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.298883318901062},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2753717303276062},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06827858090400696},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2017.2766294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2017.2766294","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.8399999737739563}],"awards":[{"id":"https://openalex.org/G8322910638","display_name":null,"funder_award_id":"61571344","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1979842999","https://openalex.org/W2003157621","https://openalex.org/W2018744547","https://openalex.org/W2047783820","https://openalex.org/W2079302539","https://openalex.org/W2098174516","https://openalex.org/W2103542279","https://openalex.org/W2104471789","https://openalex.org/W2155951048","https://openalex.org/W2161666352","https://openalex.org/W2164390589","https://openalex.org/W2169733962","https://openalex.org/W2252687056","https://openalex.org/W2307126842","https://openalex.org/W2342925881","https://openalex.org/W2404652905","https://openalex.org/W2495945510","https://openalex.org/W2497079801","https://openalex.org/W2542528661","https://openalex.org/W2544551224","https://openalex.org/W2546016636","https://openalex.org/W2548767215","https://openalex.org/W6675782638","https://openalex.org/W6691777857","https://openalex.org/W6728770338"],"related_works":["https://openalex.org/W4376608380","https://openalex.org/W3183857160","https://openalex.org/W4316658506","https://openalex.org/W2349933779","https://openalex.org/W200518853","https://openalex.org/W3007950033","https://openalex.org/W2152652001","https://openalex.org/W2966772509","https://openalex.org/W3177081488","https://openalex.org/W3131682829"],"abstract_inverted_index":{"We":[0,43],"propose":[1],"anew":[2],"antenna":[3,98],"array":[4,37,86,99,120],"design":[5],"approach":[6,33],"for":[7,18,61],"a":[8,80],"multiple-input":[9],"and":[10,22,40,74,90,133],"multiple-output":[11],"(MIMO)":[12],"radar,":[13],"which":[14],"has":[15],"closed-form":[16],"expressions":[17],"the":[19,23,35,45,49,54,68,72,91,104,115,118,124,128,134,139],"sensor":[20],"locations":[21],"number":[24,106,125,129],"of":[25,28,48,53,71,85,94,107,117,123,126,130],"achievable":[26],"degrees":[27],"freedom":[29],"(DOFs).":[30],"This":[31],"new":[32],"utilizes":[34],"nested":[36],"as":[38],"transmitting":[39,73],"receiving":[41,75],"arrays.":[42],"employ":[44],"difference":[46],"coarray":[47,51],"sum":[50],"(DCSC)":[52],"MIMO":[55,141],"radar":[56],"to":[57,113],"obtain":[58,79],"more":[59],"DOFs":[60],"direction-of-arrival":[62],"(DOA)":[63],"estimation.":[64],"Via":[65],"properly":[66],"designing":[67],"interelement":[69],"spacings":[70],"arrays,":[76],"we":[77],"can":[78],"hole-free":[81],"DCSC.":[82],"The":[83],"characteristics":[84],"geometries":[87],"are":[88,100,111],"analyzed":[89],"optimal":[92],"numbers":[93],"sensors":[95],"in":[96,121],"transmitting/receiving":[97],"derived":[101],"when":[102],"given":[103],"total":[105],"physical":[108],"sensors.":[109],"Simulations":[110],"conducted":[112],"demonstrate":[114],"advantages":[116],"proposed":[119],"terms":[122],"DOFs,":[127],"resolvable":[131],"sources,":[132],"DOA":[135],"estimation":[136],"performance":[137],"over":[138],"coprime":[140],"array.":[142]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":14},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":8}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}