{"id":"https://openalex.org/W4402980899","doi":"https://doi.org/10.1109/icme57554.2024.10687952","title":"Collaborative Edge Caching in LEO Satellites Networks: A MAPPO Based Approach","display_name":"Collaborative Edge Caching in LEO Satellites Networks: A MAPPO Based Approach","publication_year":2024,"publication_date":"2024-07-15","ids":{"openalex":"https://openalex.org/W4402980899","doi":"https://doi.org/10.1109/icme57554.2024.10687952"},"language":"en","primary_location":{"id":"doi:10.1109/icme57554.2024.10687952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme57554.2024.10687952","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Conference on Multimedia and Expo (ICME)","raw_type":"proceedings-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/A5057834401","display_name":"Mingzhou Wu","orcid":"https://orcid.org/0000-0002-8992-348X"},"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"]},{"id":"https://openalex.org/I4210114105","display_name":"Tsinghua\u2013Berkeley Shenzhen Institute","ror":"https://ror.org/02hhwwz98","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210114105","https://openalex.org/I95457486","https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingzhou Wu","raw_affiliation_strings":["Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China","institution_ids":["https://openalex.org/I4210114105","https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113151699","display_name":"Shiqi Dai","orcid":null},"institutions":[{"id":"https://openalex.org/I4210114105","display_name":"Tsinghua\u2013Berkeley Shenzhen Institute","ror":"https://ror.org/02hhwwz98","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210114105","https://openalex.org/I95457486","https://openalex.org/I99065089"]},{"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":"Shiqi Dai","raw_affiliation_strings":["Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China","institution_ids":["https://openalex.org/I4210114105","https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020194895","display_name":"Han Hu","orcid":"https://orcid.org/0000-0001-7532-0496"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Hu","raw_affiliation_strings":["Beijing Institute of Technology,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Beijing Institute of Technology,Beijing,China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100376363","display_name":"Zhi Wang","orcid":"https://orcid.org/0000-0001-5932-9124"},"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"]},{"id":"https://openalex.org/I4210114105","display_name":"Tsinghua\u2013Berkeley Shenzhen Institute","ror":"https://ror.org/02hhwwz98","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210114105","https://openalex.org/I95457486","https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Wang","raw_affiliation_strings":["Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua Shenzhen International Graduate School, Tsinghua University,Shenzhen,China","institution_ids":["https://openalex.org/I4210114105","https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5057834401"],"corresponding_institution_ids":["https://openalex.org/I4210114105","https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":7.9474,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.96751819,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9965000152587891,"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":0.9965000152587891,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9937999844551086,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9922999739646912,"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/computer-science","display_name":"Computer science","score":0.7299764156341553},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.6461920738220215},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38724014163017273},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19669175148010254}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7299764156341553},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.6461920738220215},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38724014163017273},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19669175148010254}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icme57554.2024.10687952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme57554.2024.10687952","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Conference on Multimedia and Expo (ICME)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337504","display_name":"Research and Development","ror":"https://ror.org/027s68j25"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2088214533","https://openalex.org/W2118704095","https://openalex.org/W2592916654","https://openalex.org/W3126686235","https://openalex.org/W3189035828","https://openalex.org/W3205036211","https://openalex.org/W4200164369","https://openalex.org/W4200235293","https://openalex.org/W4315629898","https://openalex.org/W4392114246","https://openalex.org/W6639025630","https://openalex.org/W6840380725"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W2382290278","https://openalex.org/W4395014643"],"abstract_inverted_index":{"Low":[0],"Earth":[1],"Orbit":[2],"satellite":[3,35,93,131],"networks,":[4],"as":[5],"a":[6,83,105,115,128,144],"crucial":[7],"component":[8],"of":[9],"global":[10],"low-latency":[11],"internet":[12],"access,":[13],"are":[14],"expected":[15],"to":[16,60,154,157],"carry":[17],"significant":[18],"user":[19],"traffic":[20,40],"in":[21,34,92,146],"the":[22,43,62,67,79,158],"future.":[23],"Caching":[24],"frequently":[25],"requested":[26],"content,":[27],"e.g.,":[28],"popular":[29],"videos":[30],"on":[31],"short-video":[32],"platforms,":[33],"networks":[36],"can":[37],"significantly":[38],"alleviate":[39],"congestion.":[41],"However,":[42],"satellite\u2019s":[44],"brief":[45],"overhead":[46],"passing":[47],"time,":[48],"which":[49],"is":[50],"less":[51],"than":[52],"ten":[53],"minutes,":[54],"makes":[55],"it":[56,103],"difficult":[57],"for":[58,75,87,122],"satellites":[59,72],"capture":[61],"content":[63],"popularity":[64],"distribution.":[65],"And":[66],"changing":[68],"relative":[69],"position":[70],"between":[71],"poses":[73],"challenges":[74],"cooperation.":[76],"To":[77],"address":[78],"challenges,":[80],"we":[81,96,113],"propose":[82],"method":[84],"called":[85],"SEC_MAPPO":[86],"deploying":[88],"cooperative":[89],"edge":[90],"caching":[91],"networks.":[94],"First,":[95],"model":[97],"this":[98,123],"novel":[99],"scenario":[100],"and":[101,133],"transform":[102],"into":[104],"Partially":[106],"Observable":[107],"Markov":[108],"Decision":[109],"Process":[110],"(POMDP).":[111],"Then,":[112],"design":[114],"multi-agent":[116],"reinforcement":[117],"learning":[118],"algorithm":[119,141],"specifically":[120],"tailored":[121],"scenario.":[124],"Trace-driven":[125],"simulation":[126],"using":[127],"real-world":[129],"LEO":[130],"constellation":[132],"video":[134,148],"request":[135,149],"dataset":[136],"demonstrated":[137],"that":[138],"our":[139],"proposed":[140],"could":[142],"achieve":[143],"reduction":[145],"average":[147],"latency":[150],"ranging":[151],"from":[152],"4.53%":[153],"9.31%":[155],"compared":[156],"baseline":[159],"solutions.":[160]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}