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Environment-Aware Link Quality Prediction for Millimeter-Wave Wireless LANs

Published: 24 October 2022 Publication History
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  • Abstract

    Millimeter-wave (mmWave) communications have been regarded as one of the most promising solutions to deliver ultra-high data rates in wireless local-area networks. A significant barrier to delivering consistently high rate performance is the rapid variation in quality of mmWave links due to blockages and small changes in user locations. If link quality can be predicted in advance, proactive resource allocation techniques such as link-quality-aware scheduling can be used to mitigate this problem. In this paper, we propose a link quality prediction scheme based on knowledge of the environment. We use geometric analysis to identify the shadowed regions that separate LoS and NLoS scenarios, and build LoS and NLoS link-quality predictors based on an analytical model and a regression-based approach, respectively. For the more challenging NLoS case, we use a synthetic dataset generator with accurate ray tracing analysis to train a deep neural network (DNN) to learn the mapping between environment features and link quality. We then use the DNN to efficiently construct a map of link quality predictions within given environments. Extensive evaluations with additional synthetically generated scenarios show a very high prediction accuracy for our solution. We also experimentally verify the scheme by applying it to predict link quality in an actual 802.11ad environment, and the results show a close agreement between predicted values and measurements of link quality.

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    Cited By

    View all
    • (2024)A deep learning framework for blockage mitigation and duration prediction in mmWave wireless networksAd Hoc Networks10.1016/j.adhoc.2024.103562162(103562)Online publication date: Sep-2024
    • (2023)Spatial-Temporal Attention-Based mmWave Link Quality Prediction Under Dynamic BlockagesGLOBECOM 2023 - 2023 IEEE Global Communications Conference10.1109/GLOBECOM54140.2023.10437103(6279-6284)Online publication date: 4-Dec-2023
    • (2023)Resource Aware Client Selection for Federated Learning in IoT Scenarios2023 19th International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT)10.1109/DCOSS-IoT58021.2023.00010(1-8)Online publication date: Jun-2023

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    1. Environment-Aware Link Quality Prediction for Millimeter-Wave Wireless LANs

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        cover image ACM Conferences
        MobiWac '22: Proceedings of the 20th ACM International Symposium on Mobility Management and Wireless Access
        October 2022
        134 pages
        ISBN:9781450394802
        DOI:10.1145/3551660
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        Publication History

        Published: 24 October 2022

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        Author Tags

        1. WLAN
        2. link quality
        3. machine learning
        4. millimeter wave
        5. prediction

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        MobiWac '22 Paper Acceptance Rate 16 of 50 submissions, 32%;
        Overall Acceptance Rate 83 of 272 submissions, 31%

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        Cited By

        View all
        • (2024)A deep learning framework for blockage mitigation and duration prediction in mmWave wireless networksAd Hoc Networks10.1016/j.adhoc.2024.103562162(103562)Online publication date: Sep-2024
        • (2023)Spatial-Temporal Attention-Based mmWave Link Quality Prediction Under Dynamic BlockagesGLOBECOM 2023 - 2023 IEEE Global Communications Conference10.1109/GLOBECOM54140.2023.10437103(6279-6284)Online publication date: 4-Dec-2023
        • (2023)Resource Aware Client Selection for Federated Learning in IoT Scenarios2023 19th International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT)10.1109/DCOSS-IoT58021.2023.00010(1-8)Online publication date: Jun-2023

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