Slice architecture for 5G core network

Choi, Young-Seok; Park, Noik

doi:10.1109/icufn.2017.7993854

Cited by 33 publications

(16 citation statements)

References 3 publications

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“…Network slicing (NS) is one of the promising solutions to provide cost-effective flexible networks by providing optimized logical networks (i.e., slices) on a shared physical infrastructure via network function virtualization (NFV) and software-defined networking (SDN) [41], [42]. Each slice is tailored to increase the data rates and the QoS by reducing the operational complexity.…”

Section: Network Slicing In At-hcnsmentioning

confidence: 99%

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

et al. 2020

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To enable reliable connectivity in highly dynamic and dense communication environments, aerial-terrestrial heterogeneous cellular networks (AT-HCNs) have been proposed as a plausible enhancement to the conventional terrestrial HCNs (T-HCNs). In dense urban scenarios, users are often located in clusters and demand high bandwidth in both downlink (DL) and uplink (UL). We investigate this scenario and model the spatial distribution of clustered users using a Matern cluster process (MCP). Based on our analysis we then argue that decoupling of DL and UL in such a setting can significantly improve coverage performance and spectral efficiency. We further obtain closed-form expressions for the system coverage probability, spectral efficiency, and energy efficiency by using the Fox H-function. The obtained results confirm the validity of the proposed analytical model. Our simulations further indicate a significant performance improvement using decoupled access and provide quantitative insights on AT-HCN system design. INDEX TERMS Heterogeneous cellular networks, Downlink and uplink decoupling, Matern cluster process, Poisson point process, Unmanned aerial vehicles.

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Section: Network Slicing In At-hcnsmentioning

confidence: 99%

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

et al. 2020

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“…Slice selection mechanisms for the 5G era was explained in [57] which developed the core layer to define all the necessary functions to implement services in the core and run it over RAN to improve the network performance. Moreover, each slice could have suited functions in the core network that support specific applications to serve the slice's service.…”

Section: F Resources and Policy Managementmentioning

confidence: 99%

A Survey of Mobility Management as a Service in Real-Time Inter/Intra Slice Control

et al. 2021

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In-network softwarization, Network Slicing provides scalability and flexibility through various services such as Quality of Service (QoS) and Quality of Experience (QoE) to cover the network demands. For the QoS, a set of policies must be considered in real-time, accompanied by a group of functions and services to guarantee the end-user needs based on network demand. On the other hand, for the QoE, the service's performance needs to be improved to bring an efficient service to cover the demands of the end-user. The 3G Partnership Project (3GPP) defined the slice as a component of resources used to process a set of packets. These resources need to be flexible, which means the resources can be scaled up or down based on the demand. This survey discusses softwarization and virtualization techniques, considering how to implement the slices for future networks. Specifically, we discuss current advances concerning the functionality and architecture of the 5G network. Therefore, the paper critically evaluates recent research and systems related to mobility management as a service in real-time inter/intra slice control by considering the strengths and limitations of these contributions to identify the research gaps and possible research directions for emerging research and development opportunities. Moreover, we extend our review by considering the slice types and their numbers based on the 3GPP Technical Specification (3GPP TS). The study presented in this paper identifies open issues and research directions that reveal that mobility management at a service level with inter/intra slice management techniques has strong potential in future networks and requires further investigation from the research community to exploit its benefits fully.

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“…Down to the MAC layer, which is responsible for multiplexing and de-multiplexing, hybrid ARQ error correction, scheduling and transport format selection. Finally, the physical layer is responsible for modulation and demodulation of physical channels, frequency and time synchronization, power weighting of physical channels, MIMO antenna processing and RF processing [8]. By analyzing the 5G network architecture and communication protocol and comparing 5G wireless network with the wired industrial communication network, the 5G system architecture can be simplified as shown in Figure 6.…”

Section: G Communication Protocolmentioning

confidence: 99%

Research on the convergence architecture of 5G and industrial communication

et al. 2021

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As the next generation of mobile communication technology, 5G has the characteristics of enhanced mobile broadband (eMBB), massive machine-type communication (mMTC), and ultra-reliable low latency communication (URLLC), which are critical technologies for the future development of industrie 4.0. So far, these technologies have been explored and applied in industry, however, there is still a lack of general architectures. This paper presents a 5G and industrial communication convergence architecture and elaborates on the implementation methods from the aspects of device access technology and network configuration strategies, and discusses the transparent transmission and mapping methods adopted by 5G terminal access technology as well.

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Slice architecture for 5G core network

Cited by 33 publications

References 3 publications

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

A Survey of Mobility Management as a Service in Real-Time Inter/Intra Slice Control

Research on the convergence architecture of 5G and industrial communication

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