{"title":"A Hybrid DBA Algorithm for EPON-based Mobile Front-haul Networks","authors":"Anqi Wei, Tong Ye, Guangqiang He, J. He","doi":"10.1109/icc40277.2020.9148657","DOIUrl":null,"url":null,"abstract":"In recent years, Ethernet passive optical network (EPON) has been considered as a promising candidate of mobile front-haul networks, since it can provide high capacity for bandwidth-hungry enhanced mobile broadband (eMBB) traffic. However, the EPON cannot support ultra-reliable and low latency communication (uRLLC) traffic, which is sporadic, highly unpredictable, and delay-sensitive. To address this problem, this paper devises a hybrid dynamic bandwidth allocation (DBA) algorithm, which treats the uRLLC traffic as high-priority traffic. In particular, the hybrid DBA algorithm schedules the uRLLC traffic in a competitive manner every other fixed time interval and polls the eMBB traffic in a round-robin manner. Our simulation results show that the hybrid DBA algorithm can work very well in the network with 16 ONUs.","PeriodicalId":106560,"journal":{"name":"ICC 2020 - 2020 IEEE International Conference on Communications (ICC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ICC 2020 - 2020 IEEE International Conference on Communications (ICC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/icc40277.2020.9148657","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In recent years, Ethernet passive optical network (EPON) has been considered as a promising candidate of mobile front-haul networks, since it can provide high capacity for bandwidth-hungry enhanced mobile broadband (eMBB) traffic. However, the EPON cannot support ultra-reliable and low latency communication (uRLLC) traffic, which is sporadic, highly unpredictable, and delay-sensitive. To address this problem, this paper devises a hybrid dynamic bandwidth allocation (DBA) algorithm, which treats the uRLLC traffic as high-priority traffic. In particular, the hybrid DBA algorithm schedules the uRLLC traffic in a competitive manner every other fixed time interval and polls the eMBB traffic in a round-robin manner. Our simulation results show that the hybrid DBA algorithm can work very well in the network with 16 ONUs.
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