Use cases


Industry 4.0 Campus Network

This Use Case will deploy a 5GLAN featuring 5G-TSN for robotics in a factory environment, providing low latency and high precision clock synchronization across the 5G network


FUDGE-5G will showcase an Industry 4.0 Campus Network with ultra-low time synchronization requirements (TSN). In the factory a controller will interact with many sensor and actuator devices, located within a small area (up to 100 m2). These applications have high performance requirements such as low latency, high reliability, and deterministic delivery of messages. In some environments, replacing the wired links with wireless links will provide flexibility for remote reconfiguration and facilities deployments, e,g., cables need to go through hazardous areas, a rotating part in a machine needs connectivity. A 5GLAN-type of service can be provided enhancing existing wireless and/or fixed LAN solutions deployed in the Industry 4.0 factory. The combination of the private network with a public network (Campus Network) brings ubiquitous coverage where the private network does not reach. 


Extending TSN networks towards mobile infrastructure requires a set of fundamental enablers to match the features in fixed networks. The first and primary challenge consists in delivering time synchronization to the industrial mobile devices. This requires either some enhancements to the wireless modem to access specific radio signals or ultra-low delay high reliable radio link to exchange the PTP messages. The second and most challenging issue is the E2E transport between the cellular and the fixed device connected to the factory. TSN networks might require asynchronous communications where a set of scheduling transmission is agreed between the devices. Moreover, the data transmission might be non-IP as the industrial devices will have to exchange 802.1 address discover mechanisms and broadcast messages over L2 communications. Mobile networks have been designed for consumer communications, thus IP is the de facto transport in the radio link all the way until the packet gateway where a GTP session is decapsulated for communication with other devices. FUDGE-5G proposes usage of Ethernet all the way from the UE to the fixed industry LAN without GTP encapsulation/decapsulation in the E2E communications. 


5G-TSN is one of the key enabling 5G technologies of the project. The main innovation of this use case is the TSN integration in a 5GLAN public-private system. To achieve this, first, time synchronization delivery to wireless devices must be guaranteed and be cost efficiently. Secondly, a design of network functions in a service-oriented fashion required to implement a mobile device that includes all the required functionality to become TSN 5G device. 



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