Research on Power Saving Techniques in NR for Cooperation between UEs and Wireless Networks
Authors: 
Sheng Zhang, Wei Deng, Cheng Bi, Cong Zhang, Hang Ruan, Li Jie Hu, Jian Hua Liu, Guan Jun Han, Yi WangAuthors Info & Claims
Sheng Zhang, Wei Deng, Cheng Bi, Cong Zhang, Hang Ruan, Li Jie Hu, Jian Hua Liu, Guan Jun Han, Yi WangAuthors Info & ClaimsPages 451 - 458
Abstract
The introduction of 5G characteristics including high data rate, large bandwidth, multi-stream transmission etc. leads to more power consumption of both 5G User equipment (UE) and base station (BS) in contrast to LTE, especially the shortened battery life of 5G UE that has significant influence on user experience. It is therefore important to reduce power consumption of 5G wireless networks. In this paper, we provide a comprehensive analysis of the standardized techniques from the perspective of collaborative power saving (PS) between UEs and wireless networks in time domain, space domain, frequency domain and power domain, which involves Connected Discontinuous Reception (C-DRX), energy saving Wake-Up Signal (WUS), UE Assistance Information (UAI), cell Discontinuous Transmission (DTX)/DRX alignment with UE DRX, the adaptation of spatial elements and transmit power with Channel State Information Reference Signal (CSI-RS) configuration enhancement, etc. Energy saving gains and applicable scenarios are presented based on actual measurements or simulations, to provide reference for application of UE-network cooperative PS techniques.
References
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GTI, 5G Device Power Consumption White paper_v3.0, GTI #26workshop.
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3GPP, TR 38.840. V16.0.0. Study on User Equipment (UE) Power Saving in NR[S]. 2019.
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Luyang Zhao, Hang Ruan, Dan Song, Tests and Research of 5G Terminal Power Saving Enhanced Features (in Chinese). In Proceedings of the 5G Network Innovation Workshop 2022, 360-365.
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3GPP, TSG-RAN WG1 Meeting #104-e. FL summary#1 of power saving for Active Time[S]. 2021.
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Tuo Yang, Lijie Hu, Fei Wang, Jianjun Liu, Nan Hu, Nan Li, Zhenping Hu, Energy Saving Scheme Analysis of 5G Terminals in Idle State (in Chinese). Telecommunication Science, 2021, 37(4):125-131. http://doi.org/10.11959/j.issn.1000-0801.2021066.
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3GPP, TS 38.306. V16.8.0. User Equipment (UE) radio access capabilities[S]. 2022.
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Index Terms
- Research on Power Saving Techniques in NR for Cooperation between UEs and Wireless Networks
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Published In
December 2023
648 pages
ISBN:9798400708909
DOI:10.1145/3638884
Copyright © 2023 ACM.
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Association for Computing Machinery
New York, NY, United States
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Published: 23 April 2024
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ICCIP 2023
ICCIP 2023: 2023 the 9th International Conference on Communication and Information Processing
December 14 - 16, 2023
Lingshui, China
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Overall Acceptance Rate 61 of 301 submissions, 20%
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