{"id":"https://openalex.org/W4401210776","doi":"https://doi.org/10.1109/jiot.2024.3437167","title":"Pistis: A Scheduler to Achieve Ultra Reliability for URLLC Traffic in 5G O-RAN","display_name":"Pistis: A Scheduler to Achieve Ultra Reliability for URLLC Traffic in 5G O-RAN","publication_year":2024,"publication_date":"2024-08-01","ids":{"openalex":"https://openalex.org/W4401210776","doi":"https://doi.org/10.1109/jiot.2024.3437167"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2024.3437167","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3437167","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/A5100669228","display_name":"Qingyu Liu","orcid":"https://orcid.org/0000-0003-1487-7682"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qingyu Liu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA"],"raw_orcid":"https://orcid.org/0000-0003-1487-7682","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101399412","display_name":"Chengzhang Li","orcid":"https://orcid.org/0000-0003-3142-0131"},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chengzhang Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH, USA","institution_ids":["https://openalex.org/I52357470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004186620","display_name":"Shaoran Li","orcid":"https://orcid.org/0000-0002-2648-5478"},"institutions":[{"id":"https://openalex.org/I4210127875","display_name":"Nvidia (United States)","ror":"https://ror.org/03jdj4y14","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127875"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shaoran Li","raw_affiliation_strings":["NVIDIA Corporation, Santa Clara, CA, USA"],"raw_orcid":"https://orcid.org/0000-0002-2648-5478","affiliations":[{"raw_affiliation_string":"NVIDIA Corporation, Santa Clara, CA, USA","institution_ids":["https://openalex.org/I4210127875"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054863127","display_name":"Yi Shi","orcid":"https://orcid.org/0000-0002-6110-3084"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yi Shi","raw_affiliation_strings":["Commonwealth Cyber Initiative, Virginia Tech, Arlington, VA, USA"],"raw_orcid":"https://orcid.org/0000-0002-6110-3084","affiliations":[{"raw_affiliation_string":"Commonwealth Cyber Initiative, Virginia Tech, Arlington, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100646070","display_name":"Boyang Zhou","orcid":"https://orcid.org/0000-0003-0436-4293"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Boyang Zhou","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059824798","display_name":"Y. Thomas Hou","orcid":"https://orcid.org/0000-0003-3716-5768"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. Thomas Hou","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA"],"raw_orcid":"https://orcid.org/0000-0003-3716-5768","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001879281","display_name":"Wenjing Lou","orcid":"https://orcid.org/0000-0002-2421-4623"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenjing Lou","raw_affiliation_strings":["Department of Computer Science, Virginia Tech, Arlington, VA, USA"],"raw_orcid":"https://orcid.org/0000-0002-2421-4623","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Virginia Tech, Arlington, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8139,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.68941827,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"11","issue":"21","first_page":"35405","last_page":"35419"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.9786999821662903,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11932","display_name":"Wireless Body Area Networks","score":0.9786999821662903,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9742000102996826,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9732999801635742,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7844367623329163},{"id":"https://openalex.org/keywords/ran","display_name":"Ran","score":0.7387226819992065},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.5966140031814575},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.5872040390968323},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5821619033813477},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.20574745535850525},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.16867566108703613}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7844367623329163},{"id":"https://openalex.org/C160704184","wikidata":"https://www.wikidata.org/wiki/Q18031028","display_name":"Ran","level":2,"score":0.7387226819992065},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.5966140031814575},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.5872040390968323},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5821619033813477},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.20574745535850525},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.16867566108703613},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2024.3437167","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3437167","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":[],"awards":[{"id":"https://openalex.org/G3405165046","display_name":null,"funder_award_id":"N00014-19-1-2621","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"}],"funders":[{"id":"https://openalex.org/F4320333655","display_name":"Institute for Critical Technology and Applied Science","ror":null},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W2106864314","https://openalex.org/W2108789935","https://openalex.org/W2141789294","https://openalex.org/W2531823880","https://openalex.org/W2762579166","https://openalex.org/W2810482148","https://openalex.org/W2912966408","https://openalex.org/W2942205222","https://openalex.org/W2963077778","https://openalex.org/W3004502600","https://openalex.org/W3006737624","https://openalex.org/W3010586518","https://openalex.org/W3018588313","https://openalex.org/W3033821423","https://openalex.org/W3044043667","https://openalex.org/W3094234213","https://openalex.org/W3095317912","https://openalex.org/W3107212184","https://openalex.org/W3120801739","https://openalex.org/W3154037832","https://openalex.org/W3213083273","https://openalex.org/W3213641396","https://openalex.org/W4205714497","https://openalex.org/W4213015169","https://openalex.org/W4213275211","https://openalex.org/W4283217353","https://openalex.org/W4287887122","https://openalex.org/W4293731909","https://openalex.org/W4312253493","https://openalex.org/W4385894332","https://openalex.org/W4391019576","https://openalex.org/W6748881453","https://openalex.org/W6809567804","https://openalex.org/W6858261976"],"related_works":["https://openalex.org/W2885627391","https://openalex.org/W4324323655","https://openalex.org/W2922954044","https://openalex.org/W3037103914","https://openalex.org/W1982654631","https://openalex.org/W3018338683","https://openalex.org/W4288060126","https://openalex.org/W3197340217","https://openalex.org/W4294306393","https://openalex.org/W4311923021"],"abstract_inverted_index":{"Supporting":[0],"ultra":[1,32,123],"reliable":[2],"low-latency":[3],"communication":[4],"(URLLC)":[5],"is":[6,102,203],"an":[7],"extremely":[8],"challenging":[9],"problem,":[10,71],"due":[11],"to":[12,90,103,153,205],"the":[13,24,31,43,53,62,122,139,155,162,177,207],"excessive":[14],"requirements":[15],"on":[16,116,195],"reliability":[17,33,124,209],"and":[18,120,150,199,216],"latency.":[19],"To":[20],"date,":[21],"few":[22],"of":[23,45,75,82,93,161,176,186],"existing":[25],"research":[26],"efforts":[27],"have":[28],"successfully":[29],"addressed":[30],"problem":[34,41,66],"for":[35,49,97,211],"URLLC.":[36],"This":[37],"article":[38],"investigates":[39],"this":[40],"through":[42],"design":[44,135,160,175],"a":[46,68,73,80,91,105],"URLLC":[47,63],"scheduler":[48,134],"industrial":[50],"automation":[51],"under":[52],"open":[54],"radio":[55,84],"access":[56],"network":[57],"(O-RAN)":[58],"architecture.":[59],"We":[60,130,192],"cast":[61],"data":[64],"transmission":[65],"as":[67],"resource":[69,76],"scheduling":[70,106],"where":[72],"set":[74,81,92],"blocks":[77],"(RBs)":[78],"from":[79],"O-RAN":[83],"units":[85],"(O-RUs)":[86],"must":[87],"be":[88],"allocated":[89],"user":[94],"equipments":[95],"(UEs)":[96],"information":[98],"transmission.":[99],"The":[100],"challenge":[101],"find":[104],"solution":[107],"in":[108,143,158,173,189],"each":[109],"mini-slot":[110],"(sub":[111],"millisecond":[112],"time":[113,164,179],"scale)":[114],"based":[115],"dynamic":[117],"channel":[118,147,190],"conditions":[119],"satisfy":[121],"requirement":[125,210],"(e.g.,":[126],"99.9999%,":[127],"or":[128],"six-nine).":[129],"present":[131],"Pistis\u2014a":[132],"novel":[133],"that":[136,201],"fully":[137],"utilizes":[138],"three":[140],"control":[141],"loops":[142],"O-RAN.":[144],"Pistis":[145,194,202],"exploits":[146],"slow":[148],"fading":[149,188],"PHY-layer":[151],"properties":[152],"reduce":[154],"search":[156],"space":[157],"its":[159,174],"near-real":[163],"(near-RT)":[165],"component.":[166],"It":[167],"further":[168],"leverages":[169],"GPU":[170],"parallel":[171],"computing":[172],"real":[178],"(RT)":[180],"component,":[181],"which":[182],"takes":[183],"into":[184],"account":[185],"fast":[187],"dynamics.":[191],"implement":[193],"commercial":[196],"off-the-shelf":[197],"hardware":[198],"demonstrate":[200],"able":[204],"meet":[206],"six-nine":[208],"4":[212],"O-RUs,":[213],"40":[214,217],"RBs,":[215],"UEs":[218],"within":[219],"0.5":[220],"ms.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}