Wireless Control Communications Co-Design via Application-Adaptive Resource Management
Lucas Scheuvens, Tom Hößler, Andre Noll Barreto, Gerhard Paul Fettweis · 2019 IEEE 2nd 5G World Forum (5GWF) · 2019
Ultra reliable low latency communications (URLLC) systems are usually designed to achieve availability values larger than 99.999 % at latencies in the millisecond range. However, these requirements can often be significantly relaxed by a control communications co-design approach, in which both control and communications domains adapt to each other. We present a framework to determine the quality of control (QoC) requirements of a given application and introduce the concept of application reliability, based on the example of an automated guided vehicle (AGV). It is observed that stability alone is not sufficient to cover QoC, and the required control precision has to be considered as well. These requirements are then mapped to possible network design strategies. Additionally, we propose an application-adaptive resource management that is able to reduce the average amount of links provisioned to the the application by approximately 1.7 while ensuring a maximum deviation from the desired path.