{"id":"https://openalex.org/W4414109668","doi":"https://doi.org/10.1145/3744969.3748394","title":"T-5GS: A Full-Scale Multi-Operator 5G Roaming Testbed Beyond Core-Level Simulations","display_name":"T-5GS: A Full-Scale Multi-Operator 5G Roaming Testbed Beyond Core-Level Simulations","publication_year":2025,"publication_date":"2025-09-08","ids":{"openalex":"https://openalex.org/W4414109668","doi":"https://doi.org/10.1145/3744969.3748394"},"language":"en","primary_location":{"id":"doi:10.1145/3744969.3748394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744969.3748394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3744969.3748394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Posters and Demos","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3744969.3748394","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103096054","display_name":"Chia-Hao Chang","orcid":"https://orcid.org/0009-0006-7980-3042"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chia-Hao Chang","raw_affiliation_strings":["Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039482466","display_name":"Tsung-Nan Lin","orcid":"https://orcid.org/0000-0001-5659-1194"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsung-Nan Lin","raw_affiliation_strings":["Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103096054"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.24927388,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"7","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9805999994277954,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9805999994277954,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9717000126838684,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9513000249862671,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/roaming","display_name":"Roaming","score":0.9781000018119812},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.6557999849319458},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.6182000041007996},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.48330000042915344},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.44359999895095825},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.3982999920845032},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.3822999894618988}],"concepts":[{"id":"https://openalex.org/C194498986","wikidata":"https://www.wikidata.org/wiki/Q680016","display_name":"Roaming","level":2,"score":0.9781000018119812},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.704200029373169},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.6557999849319458},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.6182000041007996},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5450000166893005},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.48330000042915344},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.44359999895095825},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3982999920845032},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.3822999894618988},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.3652999997138977},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.34529998898506165},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3366999924182892},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.2930000126361847},{"id":"https://openalex.org/C101618186","wikidata":"https://www.wikidata.org/wiki/Q3633928","display_name":"UMTS frequency bands","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.2728999853134155},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2712000012397766},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.2572999894618988},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.25609999895095825}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3744969.3748394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744969.3748394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3744969.3748394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Posters and Demos","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3744969.3748394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744969.3748394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3744969.3748394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGCOMM 2025 Posters and Demos","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321559","display_name":"Chunghwa Telecom Laboratories","ror":"https://ror.org/04f786589"},{"id":"https://openalex.org/F4320331164","display_name":"National Science and Technology Council","ror":"https://ror.org/00wnb9798"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4414109668.pdf","grobid_xml":"https://content.openalex.org/works/W4414109668.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W2137898377","https://openalex.org/W3214725335","https://openalex.org/W4319988651","https://openalex.org/W4389312997","https://openalex.org/W4390692254","https://openalex.org/W4390945323","https://openalex.org/W4394689764","https://openalex.org/W4401508098","https://openalex.org/W4401509605"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2883256816","https://openalex.org/W2369138185","https://openalex.org/W2945277231","https://openalex.org/W4210904806","https://openalex.org/W2388705066","https://openalex.org/W2171408034","https://openalex.org/W3003320923"],"abstract_inverted_index":{"Providing":[0],"seamless":[1],"service":[2],"beyond":[3],"geographical":[4],"boundaries":[5],"has":[6],"long":[7],"been":[8],"a":[9,18,46,91],"core":[10],"objective":[11],"of":[12,63],"mobile":[13],"networks,":[14],"with":[15],"roaming":[16,30,65,97],"playing":[17],"pivotal":[19],"role":[20],"[1].":[21],"However,":[22],"experimental":[23],"support":[24],"for":[25,94],"5G":[26,96],"Standalone":[27],"(5G":[28],"SA)":[29],"remains":[31],"limited---lagging":[32],"behind":[33],"both":[34],"architectural":[35],"progress":[36],"and":[37,49,100],"research":[38],"needs.":[39],"To":[40],"address":[41],"this,":[42],"we":[43],"present":[44],"T-5GS,":[45],"full-scale,":[47],"reproducible":[48],"open-source":[50],"testbed.":[51],"Unlike":[52],"partially":[53],"implemented":[54],"stacks":[55],"in":[56,87],"existing":[57],"platforms":[58],"that":[59],"cover":[60],"only":[61],"38%":[62],"the":[64,83],"protocol":[66,70],"stack,":[67],"T-5GS":[68],"improves":[69],"coverage":[71],"to":[72],"nearly":[73],"100%.":[74],"By":[75],"enabling":[76],"realistic":[77],"end-to-end":[78],"testing":[79],"through":[80],"VM-based":[81],"isolation---avoiding":[82],"kernel-sharing":[84],"issues":[85],"common":[86],"container-based":[88],"setups---T-5GS":[89],"offers":[90],"forward-looking":[92],"foundation":[93],"advancing":[95],"design,":[98],"interoperability,":[99],"security":[101],"research.":[102],"The":[103],"complete":[104],"implementation":[105],"is":[106],"publicly":[107],"available":[108],"at":[109],"https://github.com/T-5GS/T-5GS.":[110]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-10T00:00:00"}