{"id":"https://openalex.org/W4409019624","doi":"https://doi.org/10.1109/jiot.2025.3555986","title":"On the Digital Predistortion of Wideband mmWave Communication Systems With Beam Squint","display_name":"On the Digital Predistortion of Wideband mmWave Communication Systems With Beam Squint","publication_year":2025,"publication_date":"2025-03-31","ids":{"openalex":"https://openalex.org/W4409019624","doi":"https://doi.org/10.1109/jiot.2025.3555986"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3555986","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3555986","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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":null,"display_name":"Linshan Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linshan Zhao","raw_affiliation_strings":["Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029622571","display_name":"Kai Ying","orcid":"https://orcid.org/0000-0003-2645-5305"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Ying","raw_affiliation_strings":["School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-2645-5305","affiliations":[{"raw_affiliation_string":"School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023266083","display_name":"Kai Kang","orcid":"https://orcid.org/0000-0002-7644-7058"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Kang","raw_affiliation_strings":["Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-7644-7058","affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018784820","display_name":"Hua Qian","orcid":"https://orcid.org/0000-0001-8290-879X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Qian","raw_affiliation_strings":["Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-8290-879X","affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Shanghai Advanced Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0704,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.7641312,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"12","issue":"13","first_page":"24083","last_page":"24093"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13816","display_name":"Advanced Signal Processing Techniques","score":0.9894000291824341,"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/T13816","display_name":"Advanced Signal Processing Techniques","score":0.9894000291824341,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9887999892234802,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9664999842643738,"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/predistortion","display_name":"Predistortion","score":0.9720856547355652},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.8211847543716431},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7305967211723328},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4366401135921478},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.42385879158973694},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.24571514129638672},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.12504228949546814},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07442057132720947}],"concepts":[{"id":"https://openalex.org/C2778587875","wikidata":"https://www.wikidata.org/wiki/Q7239686","display_name":"Predistortion","level":4,"score":0.9720856547355652},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.8211847543716431},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7305967211723328},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4366401135921478},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.42385879158973694},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.24571514129638672},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.12504228949546814},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07442057132720947}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3555986","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3555986","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.699999988079071}],"awards":[{"id":"https://openalex.org/G2577066847","display_name":null,"funder_award_id":"PKX2024-D01","funder_id":"https://openalex.org/F4320313610","funder_display_name":"Shanghai Science and Technology Development Foundation"}],"funders":[{"id":"https://openalex.org/F4320313610","display_name":"Shanghai Science and Technology Development Foundation","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W2161181093","https://openalex.org/W2801770979","https://openalex.org/W2925324561","https://openalex.org/W2949649067","https://openalex.org/W2958029774","https://openalex.org/W2980498872","https://openalex.org/W2987045404","https://openalex.org/W3090652075","https://openalex.org/W3102971715","https://openalex.org/W3108302515","https://openalex.org/W3188554269","https://openalex.org/W4221151058","https://openalex.org/W4225329973","https://openalex.org/W4226211208","https://openalex.org/W4290996477","https://openalex.org/W4293193165","https://openalex.org/W4293868648","https://openalex.org/W4294310096","https://openalex.org/W4296425646","https://openalex.org/W4312999598","https://openalex.org/W4317038490","https://openalex.org/W4318052263","https://openalex.org/W4318601902","https://openalex.org/W4319303228","https://openalex.org/W4322576964","https://openalex.org/W4323345758","https://openalex.org/W4383503781","https://openalex.org/W4384135302","https://openalex.org/W4384518893","https://openalex.org/W4387042313","https://openalex.org/W4387831691","https://openalex.org/W4389371294","https://openalex.org/W4390075405","https://openalex.org/W4390534765","https://openalex.org/W4391892489","https://openalex.org/W4401879010"],"related_works":["https://openalex.org/W2057692354","https://openalex.org/W1914102069","https://openalex.org/W3037983288","https://openalex.org/W2372593004","https://openalex.org/W2149981484","https://openalex.org/W2100482915","https://openalex.org/W2544684755","https://openalex.org/W2358845558","https://openalex.org/W2072625191","https://openalex.org/W2232745711"],"abstract_inverted_index":{"Large-scale":[0],"antenna":[1],"arrays":[2],"in":[3,101],"millimeter":[4],"wave":[5],"(mmWave)":[6],"systems":[7,21,104,161],"are":[8,171],"the":[9,35,73,88,95,115,119,127,136,146,183,193,196],"cornerstone":[10],"for":[11,149,159,173],"next-generation":[12],"Internet":[13],"of":[14,75,90,182,195],"Things":[15],"(IoT)":[16],"infrastructure.":[17],"However,":[18],"wideband":[19,102],"mmWave":[20,59,103,160],"suffer":[22],"from":[23,124],"frequency-dependent":[24],"channel":[25],"responses,":[26],"known":[27],"as":[28,145],"beam":[29,32,76,106,113,163],"squint.":[30,107,164],"With":[31],"squint":[33,77],"effect,":[34],"far-field":[36,120,137],"over-the-air":[37],"(OTA)":[38],"signal":[39,140,148],"may":[40],"exhibit":[41],"frequency":[42],"selective":[43],"fading,":[44],"rendering":[45],"ineffective":[46],"digital":[47],"predistortion":[48],"(DPD)":[49],"design":[50],"based":[51],"on":[52,78],"an":[53,155],"OTA":[54,121,138],"feedback":[55,61,85,147],"structure.":[56],"Therefore,":[57],"existing":[58,178],"DPD":[60,79,84,100,150,157,174,185,198],"architectures":[62],"need":[63],"to":[64,98,177],"be":[65],"examined":[66],"carefully.":[67],"In":[68,165],"this":[69,93,166],"article,":[70],"we":[71,153],"analyze":[72],"impact":[74],"and":[80],"propose":[81,154],"a":[82],"proper":[83],"architecture.":[86],"To":[87],"best":[89],"our":[91],"knowledge,":[92],"is":[94,141,187],"first":[96],"work":[97],"address":[99],"with":[105,112,162],"Our":[108],"results":[109,191],"indicate":[110],"that,":[111],"squint,":[114],"nonlinearity":[116],"observed":[117],"at":[118,126],"side":[122],"differs":[123],"that":[125,135],"power":[128],"amplifier":[129],"(PA)":[130],"output":[131],"side.":[132],"We":[133],"demonstrate":[134],"received":[139],"no":[142],"longer":[143],"suitable":[144],"estimation.":[151],"Moreover,":[152],"effective":[156],"scheme":[158,186],"scheme,":[167],"analog":[168],"beamforming":[169],"coefficients":[170],"fixed":[172],"identification.":[175],"Compared":[176],"solutions,":[179],"hardware":[180],"complexity":[181],"proposed":[184,197],"much":[188],"reduced.":[189],"Numerical":[190],"validate":[192],"effectiveness":[194],"scheme.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}