{"id":"https://openalex.org/W4394564383","doi":"https://doi.org/10.1109/jiot.2024.3372091","title":"Reconfigurable Intelligent Surface-Assisted Multisatellite Cooperative Downlink Beamforming","display_name":"Reconfigurable Intelligent Surface-Assisted Multisatellite Cooperative Downlink Beamforming","publication_year":2024,"publication_date":"2024-04-08","ids":{"openalex":"https://openalex.org/W4394564383","doi":"https://doi.org/10.1109/jiot.2024.3372091"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2024.3372091","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3372091","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":"https://openalex.org/A5102645195","display_name":"Kai Feng","orcid":"https://orcid.org/0009-0001-7098-328X"},"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"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Feng","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-7098-328X","affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064073489","display_name":"Ting Zhou","orcid":"https://orcid.org/0000-0002-0420-0566"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Zhou","raw_affiliation_strings":["School of Microelectronics, Shanghai University, Shanghai, China","Shanghai Frontier Innovation Research Institute, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0420-0566","affiliations":[{"raw_affiliation_string":"School of Microelectronics, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]},{"raw_affiliation_string":"Shanghai Frontier Innovation Research Institute, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091777215","display_name":"Tianheng Xu","orcid":"https://orcid.org/0000-0002-7152-1378"},"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":"Tianheng Xu","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","Shanghai Frontier Innovation Research Institute, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-7152-1378","affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]},{"raw_affiliation_string":"Shanghai Frontier Innovation Research Institute, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065252700","display_name":"Xianfu Chen","orcid":"https://orcid.org/0000-0002-9453-4200"},"institutions":[{"id":"https://openalex.org/I87653560","display_name":"VTT Technical Research Centre of Finland","ror":"https://ror.org/04b181w54","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210089493","https://openalex.org/I87653560"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Xianfu Chen","raw_affiliation_strings":["Department of Communication Systems, VTT Technical Research Centre of Finland, Oulu, Finland"],"raw_orcid":"https://orcid.org/0000-0002-9453-4200","affiliations":[{"raw_affiliation_string":"Department of Communication Systems, VTT Technical Research Centre of Finland, Oulu, Finland","institution_ids":["https://openalex.org/I87653560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084889205","display_name":"Honglin Hu","orcid":"https://orcid.org/0000-0002-4665-5278"},"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":"Honglin Hu","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-4665-5278","affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046333931","display_name":"Celimuge Wu","orcid":"https://orcid.org/0000-0001-6853-5878"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Celimuge Wu","raw_affiliation_strings":["Meta-Networking Research Center, The University of Electro-Communications, Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0001-6853-5878","affiliations":[{"raw_affiliation_string":"Meta-Networking Research Center, The University of Electro-Communications, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5286,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.89897042,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"11","issue":"13","first_page":"23222","last_page":"23235"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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"}},"topics":[{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T12042","display_name":"Satellite Communication Systems","score":0.9979000091552734,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9955000281333923,"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/telecommunications-link","display_name":"Telecommunications link","score":0.7970587015151978},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7631347179412842},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7037747502326965},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5928401947021484},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2824145257472992},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.234075665473938}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7970587015151978},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7631347179412842},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7037747502326965},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5928401947021484},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2824145257472992},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.234075665473938}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2024.3372091","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3372091","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":[{"score":0.6299999952316284,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G649622948","display_name":null,"funder_award_id":"307GJHZ2023070FN","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"id":"https://openalex.org/G7520547647","display_name":null,"funder_award_id":"21XD1433700","funder_id":"https://openalex.org/F4320335796","funder_display_name":"Program of Shanghai Academic Research Leader"}],"funders":[{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320335796","display_name":"Program of Shanghai Academic Research Leader","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W2940954889","https://openalex.org/W2969424089","https://openalex.org/W3007804894","https://openalex.org/W3037170119","https://openalex.org/W3039380259","https://openalex.org/W3043220753","https://openalex.org/W3080511272","https://openalex.org/W3080545694","https://openalex.org/W3081933036","https://openalex.org/W3088768990","https://openalex.org/W3100107721","https://openalex.org/W3104650338","https://openalex.org/W3134105517","https://openalex.org/W3156195074","https://openalex.org/W3159402647","https://openalex.org/W3162720533","https://openalex.org/W3178611087","https://openalex.org/W3179283102","https://openalex.org/W3188554269","https://openalex.org/W3192880923","https://openalex.org/W3199000380","https://openalex.org/W3200312993","https://openalex.org/W3210046596","https://openalex.org/W3212897430","https://openalex.org/W3214727290","https://openalex.org/W4206658479","https://openalex.org/W4210261771","https://openalex.org/W4210497704","https://openalex.org/W4211195223","https://openalex.org/W4221152030","https://openalex.org/W4221161002","https://openalex.org/W4285032843","https://openalex.org/W4285048911","https://openalex.org/W4287887971","https://openalex.org/W4293195576","https://openalex.org/W4294068592","https://openalex.org/W4294811180","https://openalex.org/W4312245407","https://openalex.org/W4312618417","https://openalex.org/W4312880298","https://openalex.org/W4319068628","https://openalex.org/W4322576964","https://openalex.org/W4385221014","https://openalex.org/W4387681989","https://openalex.org/W4392153337"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401"],"abstract_inverted_index":{"As":[0],"a":[1,20,74,143,178,188],"vital":[2],"enabler":[3],"for":[4,66],"ubiquitous":[5],"connectivity":[6],"in":[7],"space-air-ground":[8],"integrated":[9],"networks,":[10,68],"the":[11,99,104,124,128,133,140,147,152,168,194,198,207,217,221,232],"satellite-terrestrial":[12],"communication":[13,105,156],"system":[14,43,226],"has":[15,69],"been":[16,70],"envisioned":[17],"to":[18,23,72,77,102,166,196,229],"be":[19,73],"crucial":[21],"complement":[22],"terrestrial":[24,100],"networks":[25],"because":[26],"of":[27,31,109,127,146,154,209,231],"its":[28],"superior":[29],"capability":[30],"providing":[32],"wide":[33],"coverage.":[34],"However,":[35],"there":[36],"are":[37],"many":[38],"practical":[39],"limitations":[40],"that":[41,216,230],"degrade":[42],"performance,":[44],"including":[45],"on-board":[46],"power":[47,150],"constraints,":[48],"severe":[49],"path":[50],"loss,":[51],"high":[52],"delay,":[53],"and":[54,114,158,187,214,220],"Doppler":[55],"frequency":[56],"shift.":[57],"Reconfigurable":[58],"intelligent":[59],"surface":[60],"(RIS),":[61],"an":[62,86,94,161],"attractive":[63],"candidate":[64],"technology":[65],"future":[67],"expected":[71],"promising":[75],"solution":[76],"tackle":[78],"these":[79],"challenges.":[80],"In":[81],"this":[82],"paper,":[83],"we":[84,121,138,159,175],"propose":[85,177],"RIS-assisted":[87],"multi-satellite":[88,155,199],"cooperative":[89],"downlink":[90],"transmission":[91,130,185,212],"scheme,":[92],"where":[93],"RIS":[95],"is":[96],"deployed":[97],"near":[98],"receiver":[101],"enhance":[103],"via":[106],"joint":[107],"design":[108],"beamforming":[110],"vectors":[111],"at":[112,118],"satellites":[113],"phase":[115],"shift":[116],"optimization":[117,145,163,180,191],"RIS.":[119],"Specifically,":[120],"first":[122],"optimize":[123],"channel":[125,201,237],"gain":[126],"proposed":[129,211],"scheme":[131,213],"under":[132,182,235],"continuous-time":[134],"propagation":[135],"model.":[136],"Then,":[137],"formulate":[139],"problem":[141],"as":[142],"maximization":[144],"received":[148],"signal":[149],"during":[151],"duration":[153],"service,":[157],"apply":[160],"alternating":[162],"(AO)":[164],"algorithm":[165,181,192,219,223,234],"solve":[167],"non-convex":[169],"problem.":[170],"To":[171],"reduce":[172],"computational":[173],"complexity,":[174],"further":[176],"low-complexity":[179,218],"line-of-sight":[183],"(LoS)":[184],"conditions":[186],"scalable":[189],"distributed":[190,222],"without":[193],"need":[195],"share":[197],"individual":[200],"state":[202],"information.":[203],"Simulation":[204],"results":[205],"validate":[206],"superiority":[208],"our":[210],"demonstrate":[215],"can":[224],"achieve":[225],"performance":[227],"comparable":[228],"AO":[233],"LoS":[236],"conditions.":[238]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":5}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
