High Quality Mobile XR: Requirements and Feasibility

Virtual, augmented and mixed reality are expected to grow rapidly in popularity as the technology gets more mature over the coming years. For mobile networks these applications can put quite challenging requirements. In particular when the user devices shall have low weight and low energy consumption it may be necessary to offload some of the processing to edge cloud servers. This implies strict requirements on latency and high data rate between the edge server and the user device. In this paper we discuss the requirements for different quality levels of virtual reality and the feasibility of providing these in 4G and 5G cellular networks. In particular, we show how reduced latency can reduce the bit rate requirements and enable photo realistic XR over mobile networks.