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Location-Dependent Augmented Reality Services in Wireless Edge-Enabled Metaverse Systems

Communications Society, IEEE Open Journal of the, 2023, Vol.4, p.171-183

2020 IEEE ;DOI: 10.1109/OJCOMS.2023.3234254

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  • Title:
    Location-Dependent Augmented Reality Services in Wireless Edge-Enabled Metaverse Systems
  • Author: Zhang, Hongliang ; Mao, Shiwen ; Niyato, Dusit ; Han, Zhu
  • Subjects: Downlink ; Estimation error ; Location awareness ; location-dependent augmented reality ; Metaverse ; multi-access edge computing ; Quality of experience ; resource management ; Uplink ; Wireless communication
  • Is Part Of: Communications Society, IEEE Open Journal of the, 2023, Vol.4, p.171-183
  • Description: Metaverse is envisioned as the next-generation paradigm that links a virtual world to the physical world, providing immersive experience for human activities in the hypothetical environment with augmented reality (AR) and virtual reality (VR) technology. Recent development of wireless multiaccess edge computing (MEC) has accelerated the realization of this vision. In this paper, we consider location-dependent AR services in MEC-enabled Metaverse systems. In such a system, each user performs simultaneous localization and communication first to estimate its position and request AR contents from the MEC server. Due to limited computation and communication resources, the MEC server adaptively adjusts the resolution of AR contents. However, two challenges arise in such a system. First, the localization error will degrade the user's quality-of-experience (QoE); and second, the coupling of communication and computation complicates the resource management. To address these issues, we first model the QoE taking the localization errors into consideration, and then propose a minimum QoE maximization scheme to achieve fairness among users by jointly optimizing the waveform at users, the transmit power at the base station (BS), and the resolution of transmitted videos. Simulation results verify the effectiveness of the proposed scheme in comparison with benchmark schemes.
  • Publisher: IEEE
  • Language: English
  • Identifier: DOI: 10.1109/OJCOMS.2023.3234254
  • Source: IEEE Open Access Journals
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