Satellite communication network has the advantages of high, long and wide-area coverage. It becomes an important part of 5G network. Network-as-a-service requires real-time processing capability in orbit. In order to cope with this challenge, this paper proposes a flexible network slice support. The space-based edge computing system architecture and the resource management mechanism is designed. The resource allocation can be based on different QoS requirements according to the application scenario and business requirements. This paper models and simulates the satellite network and resource model system. The simulation results show that flexible network slice allocation can be performed according to the service QoS requirements, which can meet the bandwidth and computing resources requirements of different slices, reduce the delay, improve the throughput, reduce the network backhaul bandwidth pressure, and improve the comprehensive benefits of the satellite network.

Space Edge Cloud Enabling Network Slicing for 5G Satellite Network

In this article, a (network value)‐based inter‐slice and intra‐slice adaptive dynamic bandwidth allocation algorithm is proposed for the coexistence scenario of URLLC slices, eMBB slices, and mMTC slices in 5G fronthaul networks. The network value model applicable to network slicing is constructed to provide a means for the value evaluation of virtual networks. According to the bandwidth requirements of the slices, the adaptive inter‐slice bandwidth allocation is realized to ensure that the fronthaul network can obtain the maximum economic value under different load states. For the service characteristics of three slices, three intra‐slice bandwidth allocation algorithms are proposed, respectively, to realize adaptive ONU bandwidth allocation. It not only meets the differentiated service demands of different slices, but also enables each slice to obtain the maximum QoS value. By simulation and analysis, the effectiveness of the proposed algorithm is demonstrated.

(Network value)‐based adaptive dynamic bandwidth allocation algorithm for 5G network slicing

Openflow-Extended Queue Scheduling for Multi-tenants in Access Network

Beyond 5G (B5G) and 6G networks must offer network slicing as a service to support disruptive applications using mobile network infrastructures. Moreover, network slicing as a service should enable the orchestration and management of disaggregated radio access networks (RAN), i.e., it allows the automation and abstraction of network configurations composed of physical and virtualized components such as defined by the 3rd Generation Partnership Project (3GPP) and Open RAN (O-RAN) Alliance. Network slicing must reach the part of the network between the radio units and the distribution units, i.e., the fronthaul network. Fronthaul is essential and diverse in 5G and B5G networks and can be composed of point-to-point or multipoint connections. In this context, the literature presents several works investigating the problems of network slicing and disaggregated networks. However, no survey explores current works integrating network slicing in disaggregated networks, specifically in the fronthaul network. This article surveys network slicing on disaggregated networks and its potential use in point-to-point and multipoint fronthaul infrastructures. We cover the state-of-the-art by analyzing four fundamental research questions and discuss existing solutions, open challenges, and research opportunities in B5G and 6G networks. 

Network Slicing Support by Fronthaul Interface in Disaggregated Radio Access Networks: A Survey

A service-aware dynamic network slicing scheme for wavelength resource supporting delay-sensitive services in 5G fronthaul is proposed. The experiment results demonstrate that this scheme is able to effectively reduce the end-to-end delay of services.

Service-aware Network Slicing Supporting Delay-Sensitive Services for 5G Fronthaul

An optical and radio access network resource management scheme based on hierarchical edge cloud and function split was proposed to realize the network slicing. Simulation indicates the scheme meets the requirements of different network slicing.

An Optical and Radio Access Network Resource Management Scheme Based on Hierarchical Edge Cloud and Baseband Function Split for 5G Network Slicing

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Service-aware Network Slicing Supporting Delay-Sensitive Services for 5G Fronthaul

An Optical and Radio Access Network Resource Management Scheme Based on Hierarchical Edge Cloud and Baseband Function Split for 5G Network Slicing