{"id":"https://openalex.org/W4413010863","doi":"https://doi.org/10.1109/tvt.2025.3592389","title":"Multi-Gate Mixture-of-Experts for Predistortion of Power Amplifiers in Satellite Multi-Antenna System","display_name":"Multi-Gate Mixture-of-Experts for Predistortion of Power Amplifiers in Satellite Multi-Antenna System","publication_year":2025,"publication_date":"2025-08-06","ids":{"openalex":"https://openalex.org/W4413010863","doi":"https://doi.org/10.1109/tvt.2025.3592389"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3592389","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3592389","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5100618026","display_name":"Menghan Wang","orcid":"https://orcid.org/0009-0004-2783-1979"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Menghan Wang","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002814068","display_name":"Haoge Jia","orcid":"https://orcid.org/0000-0003-0257-8087"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haoge Jia","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101487860","display_name":"Sheng Wu","orcid":"https://orcid.org/0009-0007-2743-9047"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Wu","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072737831","display_name":"Feng Ding","orcid":"https://orcid.org/0000-0002-2202-5458"},"institutions":[{"id":"https://openalex.org/I15089104","display_name":"China Aerospace Science and Industry Corporation (China)","ror":"https://ror.org/0523vvf33","country_code":"CN","type":"company","lineage":["https://openalex.org/I15089104"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Ding","raw_affiliation_strings":["Beijing Aerospace Science and Industry Century Satellite High Technology Company Ltd., Beijing, China","Beijing Aerospace Science and Industry Century Satellite High Technology Co., Ltd, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Aerospace Science and Industry Century Satellite High Technology Company Ltd., Beijing, China","institution_ids":["https://openalex.org/I15089104"]},{"raw_affiliation_string":"Beijing Aerospace Science and Industry Century Satellite High Technology Co., Ltd, Beijing, China","institution_ids":["https://openalex.org/I15089104"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005072193","display_name":"Chunxiao Jiang","orcid":"https://orcid.org/0000-0002-3703-121X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunxiao Jiang","raw_affiliation_strings":["Tsinghua Space Center, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua Space Center, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100653327","display_name":"Wei Zhang","orcid":"https://orcid.org/0000-0002-1059-3642"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wei Zhang","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100618026"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.27756549,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"1","first_page":"744","last_page":"755"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.991100013256073,"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"}},"topics":[{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.991100013256073,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9704999923706055,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9157999753952026,"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":0.9284880757331848},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.71388179063797},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.6544786095619202},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5513430237770081},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5051625370979309},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4925599694252014},{"id":"https://openalex.org/keywords/transistor-array","display_name":"Transistor array","score":0.4914435148239136},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.47384029626846313},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4364888072013855},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4115801155567169},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.38040778040885925},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.344551146030426},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3317112326622009},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1509781777858734},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.13058218359947205},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.09713667631149292}],"concepts":[{"id":"https://openalex.org/C2778587875","wikidata":"https://www.wikidata.org/wiki/Q7239686","display_name":"Predistortion","level":4,"score":0.9284880757331848},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.71388179063797},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.6544786095619202},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5513430237770081},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5051625370979309},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4925599694252014},{"id":"https://openalex.org/C170523978","wikidata":"https://www.wikidata.org/wiki/Q7834316","display_name":"Transistor array","level":4,"score":0.4914435148239136},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.47384029626846313},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4364888072013855},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4115801155567169},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.38040778040885925},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.344551146030426},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3317112326622009},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1509781777858734},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.13058218359947205},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.09713667631149292},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3592389","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3592389","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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":0.8700000047683716}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W2011041508","https://openalex.org/W2036196620","https://openalex.org/W2097883826","https://openalex.org/W2136141574","https://openalex.org/W2168845032","https://openalex.org/W2172082297","https://openalex.org/W2182104382","https://openalex.org/W2490292656","https://openalex.org/W2538905011","https://openalex.org/W2583204725","https://openalex.org/W2624494617","https://openalex.org/W2757623703","https://openalex.org/W2780751099","https://openalex.org/W2802405741","https://openalex.org/W2803793567","https://openalex.org/W2808644149","https://openalex.org/W2809290718","https://openalex.org/W2892517220","https://openalex.org/W2949649067","https://openalex.org/W3007303892","https://openalex.org/W3007804894","https://openalex.org/W3011892839","https://openalex.org/W3016177899","https://openalex.org/W3034568228","https://openalex.org/W3141797743","https://openalex.org/W3158177776","https://openalex.org/W3162281459","https://openalex.org/W3178611087","https://openalex.org/W3192367513","https://openalex.org/W4210250788","https://openalex.org/W4212872335","https://openalex.org/W4243493627","https://openalex.org/W4285241088","https://openalex.org/W4376607979","https://openalex.org/W4385062391","https://openalex.org/W4386920880"],"related_works":["https://openalex.org/W2540210237","https://openalex.org/W2050609909","https://openalex.org/W2166364183","https://openalex.org/W2001465617","https://openalex.org/W2161051577","https://openalex.org/W4328010791","https://openalex.org/W2145608641","https://openalex.org/W2131236856","https://openalex.org/W2359577182","https://openalex.org/W2912863886"],"abstract_inverted_index":{"To":[0,99],"meet":[1],"the":[2,37,40,83,93,96,101,149,190,215],"high":[3,73],"data":[4,30,34],"rate":[5],"and":[6,25,54,76,142,163,173,180,196,205,230],"large":[7],"capacity":[8,24],"demands":[9],"of":[10,42,95,152,221],"communications,":[11],"multi-antenna":[12,143],"technology":[13],"is":[14],"widely":[15],"adopted":[16],"in":[17,39,160,200,210,224,235],"satellite":[18],"communication":[19],"systems,":[20],"significantly":[21],"increasing":[22],"system":[23],"spectrum":[26],"efficiency":[27],"by":[28],"transmitting":[29],"through":[31],"multiple":[32,114,184],"parallel":[33],"streams.":[35],"However,":[36],"increase":[38],"number":[41],"transmission":[43],"paths":[44],"introduces":[45],"significant":[46],"challenges,":[47],"such":[48],"as":[49,155],"power":[50,227],"amplifier":[51],"(PA)":[52],"nonlinearity":[53],"inter-antenna":[55,207],"crosstalk.":[56,144,208],"Traditional":[57],"digital":[58],"predistortion":[59],"(DPD)":[60],"techniques":[61],"typically":[62],"rely":[63],"on":[64],"independent":[65],"compensation":[66,182],"for":[67,87,202],"each":[68,153],"PA,":[69],"which":[70,161],"leads":[71],"to":[72,137,169],"hardware":[74,127],"complexity":[75],"scalability":[77],"issues.":[78],"Moreover,":[79],"signal":[80,85],"crosstalk":[81],"distorts":[82],"feedback":[84],"used":[86],"DPD":[88,109,135],"parameter":[89],"estimation,":[90],"thereby":[91,120,177],"degrading":[92],"accuracy":[94],"nonlinear":[97,140,175,203],"modeling.":[98],"solve":[100],"above-mentioned":[102],"problems,":[103],"this":[104],"paper":[105],"proposes":[106],"a":[107,117,132,156,211,231],"novel":[108],"approach":[110],"that":[111,189],"jointly":[112,167],"compensates":[113],"PAs":[115],"using":[116],"single":[118],"model,":[119],"ensuring":[121],"beam":[122],"linearity":[123],"while":[124],"substantially":[125],"reducing":[126],"overhead.":[128],"Specifically,":[129,209],"we":[130],"design":[131],"multi-gate":[133],"mixture-of-experts-based":[134],"model":[136,147,217],"mitigate":[138],"PA":[139,154],"distortions":[141,204],"The":[145],"proposed":[146,191,216],"formulates":[148],"inverse":[150],"modeling":[151],"multi-task":[157],"learning":[158],"problem,":[159],"shared":[162],"task-specific":[164],"representations":[165],"are":[166],"leveraged":[168],"extract":[170],"both":[171],"common":[172],"distinctive":[174],"features,":[176],"enabling":[178],"efficient":[179],"simultaneous":[181],"across":[183],"PAs.":[185],"Experimental":[186],"evaluations":[187],"show":[188],"method":[192],"outperforms":[193],"conventional":[194],"polynomial-based":[195],"neural":[197],"network-based":[198],"approaches":[199],"compensating":[201],"suppressing":[206],"4-path":[212],"antenna":[213],"array,":[214],"achieves":[218],"an":[219],"improvement":[220],"2":[222],"dB":[223,233],"adjacent":[225],"channel":[226],"ratio":[228],"(ACPR)":[229],"3":[232],"reduction":[234],"normalized":[236],"mean":[237],"square":[238],"error":[239],"(NMSE).":[240]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
