The ubiquitous and deterministic communication systems are becoming indispensable for future vertical applications such as industrial automation systems and smart grids.5G-TSN(Time-Sensitive Networking)integrated netw...The ubiquitous and deterministic communication systems are becoming indispensable for future vertical applications such as industrial automation systems and smart grids.5G-TSN(Time-Sensitive Networking)integrated networks with the 5G system(5GS)as a TSN bridge are promising to provide the required communication service.To guarantee the endto-end(E2E)QoS(Quality of Service)performance of traffic is a great challenge in 5G-TSN integrated networks.A dynamic QoS mapping method is proposed in this paper.It is based on the improved K-means clustering algorithm and the rough set theory(IKCRQM).The IKC-RQM designs a dynamic and loadaware QoS mapping algorithm to improve its flexibility.An adaptive semi-persistent scheduling(ASPS)mechanism is proposed to solve the challenging deterministic scheduling in 5GS.It includes two parts:one part is the persistent resource allocation for timesensitive flows,and the other part is the dynamic resource allocation based on the max-min fair share algorithm.Simulation results show that the proposed IKC-RQM algorithm achieves flexible and appropriate QoS mapping,and the ASPS performs corresponding resource allocations to guarantee the deterministic transmissions of time-sensitive flows in 5G-TSN integrated networks.展开更多
QOS (Quality of Service) parameter definitions are the basis of further QOS control.But QOS parameters defined by orgallizations such as ISO and ITU are incoherent and incompatible. It leads to the inefficiency of QOS...QOS (Quality of Service) parameter definitions are the basis of further QOS control.But QOS parameters defined by orgallizations such as ISO and ITU are incoherent and incompatible. It leads to the inefficiency of QOS controls. Based on the analysis of QOS parameters defined by ISO and ITU, this paper first promotes Minimum QOS Parameter Set in transport layer. It demonstrates that the parameters defined by ISO and ITU can be represented by parameters or a combination of parameters of the Set. The paper also expounds that the Set is open and manageable and it can be the potential unified base for QOS parameters.展开更多
基金supported by National Key Research and Development Project under Grant No.2020YFB1710900Sichuan International Cooperation Project of Science and Technology Innovation under Grant No.2022YFH0022。
文摘The ubiquitous and deterministic communication systems are becoming indispensable for future vertical applications such as industrial automation systems and smart grids.5G-TSN(Time-Sensitive Networking)integrated networks with the 5G system(5GS)as a TSN bridge are promising to provide the required communication service.To guarantee the endto-end(E2E)QoS(Quality of Service)performance of traffic is a great challenge in 5G-TSN integrated networks.A dynamic QoS mapping method is proposed in this paper.It is based on the improved K-means clustering algorithm and the rough set theory(IKCRQM).The IKC-RQM designs a dynamic and loadaware QoS mapping algorithm to improve its flexibility.An adaptive semi-persistent scheduling(ASPS)mechanism is proposed to solve the challenging deterministic scheduling in 5GS.It includes two parts:one part is the persistent resource allocation for timesensitive flows,and the other part is the dynamic resource allocation based on the max-min fair share algorithm.Simulation results show that the proposed IKC-RQM algorithm achieves flexible and appropriate QoS mapping,and the ASPS performs corresponding resource allocations to guarantee the deterministic transmissions of time-sensitive flows in 5G-TSN integrated networks.
文摘QOS (Quality of Service) parameter definitions are the basis of further QOS control.But QOS parameters defined by orgallizations such as ISO and ITU are incoherent and incompatible. It leads to the inefficiency of QOS controls. Based on the analysis of QOS parameters defined by ISO and ITU, this paper first promotes Minimum QOS Parameter Set in transport layer. It demonstrates that the parameters defined by ISO and ITU can be represented by parameters or a combination of parameters of the Set. The paper also expounds that the Set is open and manageable and it can be the potential unified base for QOS parameters.
