Complexity in 5G Network Applications and use cases

Abstract

The fifth generation (5G) of mobile telecommunication network is designed with an ambition to be a network faster, stronger, better and smarter than its predecessor. With the digital transformation, all industry sectors will develop new applications with new requirements regarding telecommunication networks that 5G should be able to meet. To meet the requirement of future 5G use cases and applications, it is crucial to study the complexity of such network system by distinguishing different parts, layers, components as well as their interdependencies. This paper describes the 5G networks from an End-to-End perspective (device, radio network, core network, data network) and from a multi-layer perspective (orchestration, virtualisation/containerization and infrastructure) to show how this system (or system of systems) is complex, especially when we address resilience challenges. Resilience requirements and challenges are further explained by proposing relevant scenarios and use cases. In this paper, we mainly intend to highlight 5G network complexity and open a discussion on methodologies to model such complex network for its resilience study with the hope that this paper could inspire the future study of researchers in the related field.

Opportunities and challenges of 5G network technology toward precision medicine

“…This includes the cost of building and maintaining 5G cell towers and base stations, as well as upgrading existing equipment to be compatible with 5G networks. In addition, the challenges about requirements and specifications arise due to the complexity of 5G network system from an End‐to‐End perspective (device, radio network, core network, and data network) and a multilayer perspective 113,114 . These costs can be substantial, especially in rural or under‐served areas where the infrastructure may not be as developed.…”

Petri Net-Based Model for 5G and Beyond Networks Resilience Evaluation

“…However, rarely is container-based virtualization modeled. Because it makes the telecommunication network modeling even more complex [2].…”

“…To better meet the different requirements and high demand, Network Function Virtualization (NFV) should be introduced for both RAN (Radio Access Network) and CN (Core Network) to better adjust the network configuration to the requirements. Thus, the resilience of the telecommunication networks is no longer an issue only for infrastructure but also for virtual elements and service delivery [2].…”