Task-oriented prediction and communication co-design for haptic communications

Kizilkaya, B. , She, C., Zhao, G. and Imran, M. A. (2023) Task-oriented prediction and communication co-design for haptic communications. IEEE Transactions on Vehicular Technology, (doi: 10.1109/TVT.2023.3247442) (Early Online Publication)

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Prediction has recently been considered as a promising approach to meet low-latency and high-reliability requirements in long-distance haptic communications. However, most of the existing methods did not take features of tasks and the relationship between prediction and communication into account. In this paper, we propose a task-oriented prediction and communication co-design framework, where the reliability of the system depends on prediction errors and packet losses in communications. The goal is to minimize the required radio resources subject to the low-latency and high-reliability requirements of various tasks. Specifically, we consider the just noticeable difference (JND) as a performance metric for the haptic communication system. We collect experiment data from a real-world teleoperation testbed and use time-series generative adversarial networks (TimeGAN) to generate a large amount of synthetic data. This allows us to obtain the relationship between the JND threshold, prediction horizon, and the overall reliability including communication reliability and prediction reliability. We take 5G New Radio as an example to demonstrate the proposed framework and optimize bandwidth allocation and data rates of devices. Our numerical and experimental results show that the proposed framework can reduce wireless resource consumption up to 77.80% compared with a task-agnostic benchmark.

Item Type:Articles
Status:Early Online Publication
Glasgow Author(s) Enlighten ID:Zhao, Dr Guodong and Imran, Professor Muhammad and KIZILKAYA, BURAK
Authors: Kizilkaya, B., She, C., Zhao, G., and Imran, M. A.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Journal Name:IEEE Transactions on Vehicular Technology
ISSN (Online):1939-9359
Published Online:22 February 2023
Copyright Holders:Copyright © 2023 IEEE
First Published:First published in IEEE Transactions on Vehicular Technology 2023
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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