Abstract
In the forthcoming era of the Tactile Internet, haptic communication is foreseen as one of its major use cases with impact in manufacturing, healthcare, education, as well as the service industry. Recent efforts in networking attempt to meet the requirements of such use cases providing the latency and reliability for bilateral teleoperation, the main component of haptic communication. However, the impact of changes in latency on bilateral teleoperation system performance varies among different control schemes and is dependent on the application domain. Furthermore, while recent efforts to reduce latency in wireless communication with tailored configurations have been successful, an increasing number of haptic communication flows could potentially compete when sharing network resources. In this paper, we provide a tractable model for teleoperation system performance that captures the impact of latency on different performance criteria. We then use this performance model to shape queuing prioritisation of different traffic flows. The proposed framework considers the requirements of high and low priority flows to suggest the best possible control scheme option to be used by the high priority one and at the same time keep the impact of the network scheduling discipline on the low priority one at minimum.
Highlights
The upcoming evolution of the Internet, namely the Tactile Internet, will be built upon use case enablers and technologies that can satisfy stringent network requirements
While bilateral teleoperation is a well-known concept for decades in various application domains, it heavily relies on stability control methods that compensate for the the lack of performance on communication network between the operator and the operation site [3]
This section discusses works that focus on monitoring Quality of Experience (QoE) for use cases such as bilateral teleoperation in order to manage Tactile Internet enablers to meet the requirements of ultra-reliable low latency communication (URLLC) applications
Summary
The upcoming evolution of the Internet, namely the Tactile Internet, will be built upon use case enablers and technologies that can satisfy stringent network requirements. This section discusses works that focus on monitoring QoE for use cases such as bilateral teleoperation in order to manage Tactile Internet enablers to meet the requirements of URLLC applications. It must be noted that only a few methodologies and frameworks consider the capabilities of bilateral teleoperation to compensate for the delays induced within the different network domains. Such efforts focus on making the network more application-aware with respect to system and QoE performance. In [6], a QoE model based on user feedback is used for fog computing resource management These efforts are used for measuring QoE of a wide range of Tactile Internet use cases
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