{"id":"https://openalex.org/W2755125673","doi":"https://doi.org/10.1109/twc.2019.2894120","title":"Linear Precoding With Low-Resolution DACs for Massive MU-MIMO-OFDM Downlink","display_name":"Linear Precoding With Low-Resolution DACs for Massive MU-MIMO-OFDM Downlink","publication_year":2019,"publication_date":"2019-01-28","ids":{"openalex":"https://openalex.org/W2755125673","doi":"https://doi.org/10.1109/twc.2019.2894120","mag":"2755125673"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2019.2894120","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2019.2894120","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1709.04846","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056363494","display_name":"Sven Jacobsson","orcid":"https://orcid.org/0000-0003-2751-5357"},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Sven Jacobsson","raw_affiliation_strings":["Ericsson Research, Gothenburg, Sweden","Ericsson#TAB#"],"raw_orcid":"https://orcid.org/0000-0003-2751-5357","affiliations":[{"raw_affiliation_string":"Ericsson Research, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]},{"raw_affiliation_string":"Ericsson#TAB#","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045561406","display_name":"Giuseppe Durisi","orcid":"https://orcid.org/0000-0002-3941-4038"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Giuseppe Durisi","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","Chalmers University of Technology"],"raw_orcid":"https://orcid.org/0000-0002-3941-4038","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]},{"raw_affiliation_string":"Chalmers University of Technology","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012139897","display_name":"Mikael Coldrey","orcid":"https://orcid.org/0000-0002-0241-6371"},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mikael Coldrey","raw_affiliation_strings":["Ericsson Research, Gothenburg, Sweden","Ericsson#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ericsson Research, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]},{"raw_affiliation_string":"Ericsson#TAB#","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083617223","display_name":"Christoph Studer","orcid":"https://orcid.org/0000-0001-8950-6267"},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christoph Studer","raw_affiliation_strings":["School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA","cornell University"],"raw_orcid":"https://orcid.org/0000-0001-8950-6267","affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA","institution_ids":["https://openalex.org/I205783295"]},{"raw_affiliation_string":"cornell University","institution_ids":["https://openalex.org/I205783295"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2744,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.52356092,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"18","issue":"3","first_page":"1595","last_page":"1609"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9997000098228455,"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/precoding","display_name":"Precoding","score":0.6806514263153076},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6753496527671814},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6035302877426147},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5814478993415833},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5695188045501709},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.47943490743637085},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44079363346099854},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4320236146450043},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.40605467557907104},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25566366314888},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15926018357276917}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6806514263153076},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6753496527671814},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6035302877426147},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5814478993415833},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5695188045501709},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.47943490743637085},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44079363346099854},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4320236146450043},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.40605467557907104},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25566366314888},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15926018357276917}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1109/twc.2019.2894120","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2019.2894120","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1709.04846","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1709.04846","pdf_url":"https://arxiv.org/pdf/1709.04846","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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:2755125673","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1709.04846v3","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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:research.chalmers.se:509428","is_oa":false,"landing_page_url":"https://research.chalmers.se/en/publication/509428","pdf_url":null,"source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"pmh:oai:www.research-collection.ethz.ch:20.500.11850/453541","is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11850/453541","pdf_url":null,"source":{"id":"https://openalex.org/S4306402302","display_name":"Repository for Publications and Research Data (ETH Zurich)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I35440088","host_organization_name":"ETH Zurich","host_organization_lineage":["https://openalex.org/I35440088"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Wireless Communications, 18 (3)","raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.48550/arxiv.1709.04846","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1709.04846","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":"Preprint"},{"id":"doi:10.3929/ethz-b-000453541","is_oa":true,"landing_page_url":"https://doi.org/10.3929/ethz-b-000453541","pdf_url":null,"source":{"id":"https://openalex.org/S7407051236","display_name":"ETH Z\u00fcrich Research Collection","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":"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:1709.04846","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1709.04846","pdf_url":"https://arxiv.org/pdf/1709.04846","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":[{"id":"https://openalex.org/G1108935830","display_name":null,"funder_award_id":"CCF-1535897","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1432546747","display_name":null,"funder_award_id":"CNS-1717559","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3105170327","display_name":null,"funder_award_id":"CAREER CCF-1652065","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5168074353","display_name":"Massive MIMO med l\u00e5gprecisionsomvandlare","funder_award_id":"ID14-0022","funder_id":"https://openalex.org/F4320320940","funder_display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning"},{"id":"https://openalex.org/G7968611072","display_name":null,"funder_award_id":"ECCS-1408006","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320320940","display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning","ror":"https://ror.org/044wr7g58"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":64,"referenced_works":["https://openalex.org/W1521591241","https://openalex.org/W1570112013","https://openalex.org/W1676355938","https://openalex.org/W1763302039","https://openalex.org/W1892643793","https://openalex.org/W1970110805","https://openalex.org/W1981835967","https://openalex.org/W2023535408","https://openalex.org/W2053637529","https://openalex.org/W2061390706","https://openalex.org/W2103972037","https://openalex.org/W2113158412","https://openalex.org/W2114258467","https://openalex.org/W2119584244","https://openalex.org/W2127152877","https://openalex.org/W2128513990","https://openalex.org/W2141682101","https://openalex.org/W2142238976","https://openalex.org/W2147601077","https://openalex.org/W2158496620","https://openalex.org/W2158980899","https://openalex.org/W2165808853","https://openalex.org/W2259323981","https://openalex.org/W2262641688","https://openalex.org/W2327337911","https://openalex.org/W2340870620","https://openalex.org/W2493390539","https://openalex.org/W2519378799","https://openalex.org/W2526144952","https://openalex.org/W2533046718","https://openalex.org/W2542673463","https://openalex.org/W2554533970","https://openalex.org/W2585411909","https://openalex.org/W2592453562","https://openalex.org/W2610940182","https://openalex.org/W2613591189","https://openalex.org/W2668617356","https://openalex.org/W2734911417","https://openalex.org/W2736245495","https://openalex.org/W2738625128","https://openalex.org/W2768111036","https://openalex.org/W2771202149","https://openalex.org/W2784553188","https://openalex.org/W2785618969","https://openalex.org/W2787789973","https://openalex.org/W2789809147","https://openalex.org/W2798208796","https://openalex.org/W2950076231","https://openalex.org/W2962692565","https://openalex.org/W2963399330","https://openalex.org/W2963511957","https://openalex.org/W2963543933","https://openalex.org/W2963992461","https://openalex.org/W2964287687","https://openalex.org/W2969909702","https://openalex.org/W2979011527","https://openalex.org/W3099569782","https://openalex.org/W3100399470","https://openalex.org/W3105846222","https://openalex.org/W3106282754","https://openalex.org/W4254197176","https://openalex.org/W6631398929","https://openalex.org/W6634152266","https://openalex.org/W6746690461"],"related_works":["https://openalex.org/W2542549766","https://openalex.org/W3038438333","https://openalex.org/W3004521393","https://openalex.org/W2950146920","https://openalex.org/W2765188541","https://openalex.org/W2953191850","https://openalex.org/W3013846183","https://openalex.org/W3201903174","https://openalex.org/W2970541347","https://openalex.org/W2978927731","https://openalex.org/W2519378799","https://openalex.org/W2982306622","https://openalex.org/W2963992461","https://openalex.org/W2845135229","https://openalex.org/W3206836210","https://openalex.org/W2969909702","https://openalex.org/W2610940182","https://openalex.org/W2741725597","https://openalex.org/W2950421420","https://openalex.org/W2789809147"],"abstract_inverted_index":{"We":[0,68,91],"consider":[1,60],"the":[2,15,35,54,61,71,98,114,120,132,144,148,187,191,201,205],"downlink":[3],"of":[4,65,116,122,179,193,203],"a":[5,39,94,157,162,181],"massive":[6,158],"multiuser":[7],"(MU)":[8],"multiple-input":[9],"multiple-output":[10],"(MIMO)":[11],"system":[12,36,160],"in":[13,110],"which":[14,106,138],"base":[16],"station":[17],"(BS)":[18],"is":[19],"equipped":[20],"with":[21,78,103,161],"low-resolution":[22],"digital-to-analog":[23],"converters":[24],"(DACs).":[25],"In":[26],"contrast":[27],"to":[28,50,142,174,186],"most":[29],"existing":[30],"results,":[31],"we":[32,59,125],"assume":[33],"that":[34],"operates":[37],"over":[38],"frequency-selective":[40],"wideband":[41],"channel":[42],"and":[43,84,208],"uses":[44],"orthogonal":[45],"frequency":[46],"division":[47],"multiplexing":[48],"(OFDM)":[49],"simplify":[51],"equalization":[52],"at":[53,190],"user":[55],"equipments":[56],"(UEs).":[57],"Furthermore,":[58,197],"practically":[62],"relevant":[63],"case":[64,115,121,189],"oversampling":[66],"DACs.":[67,118,214],"theoretically":[69],"analyze":[70],"uncoded":[72,177],"bit":[73],"error":[74],"rate":[75],"(BER)":[76],"performance":[77,183],"linear":[79],"precoders":[80],"(e.g.,":[81],"zero":[82],"forcing)":[83],"quadrature":[85],"phase-shift":[86],"keying":[87],"using":[88],"Bussgang's":[89],"theorem.":[90],"also":[92],"develop":[93],"lower":[95,145],"bound":[96],"on":[97,147],"information-theoretic":[99],"sum-rate":[100,150],"throughput":[101],"achievable":[102],"Gaussian":[104],"inputs,":[105],"can":[107,139],"be":[108,140],"evaluated":[109],"closed":[111],"form":[112],"for":[113,131,156],"1-bit":[117],"For":[119],"multi-bit":[123],"DACs,":[124,137],"derive":[126],"approximate,":[127],"yet":[128],"accurate,":[129],"expressions":[130],"distortion":[133],"caused":[134,211],"by":[135,212],"low-precision":[136,213],"used":[141],"establish":[143],"bounds":[146],"corresponding":[149],"throughput.":[151],"Our":[152],"results":[153,199],"demonstrate":[154],"that,":[155],"MU-MIMO-OFDM":[159],"128-antenna":[163],"BS":[164],"serving":[165],"16":[166],"UEs,":[167],"only":[168],"3-4":[169],"DAC":[170],"bits":[171],"are":[172],"required":[173],"achieve":[175],"an":[176],"BER":[178],"10-4with":[180],"negligible":[182],"loss":[184],"compared":[185],"infinite-resolution":[188],"cost":[192],"additional":[194],"out-of-band":[195],"emissions.":[196],"our":[198],"highlight":[200],"importance":[202],"considering":[204],"inherent":[206],"spatial":[207],"temporal":[209],"correlations":[210]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}