no code implementations • 12 Nov 2023 • Zeyang Hu, Tianyu Liu, Changsheng You, Zhaohui Yang, Mingzhe Chen
Thus, it has the great potential to improve the spectrum efficiency of conventional wireless systems with bit transmissions, especially in low signal-to-noise ratio (SNR) and small bandwidth regions.
no code implementations • 31 Oct 2023 • Yunpu Zhang, Changsheng You
Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks by exploiting massive number of antennas for generating pencil-like beamforming.
no code implementations • 12 Sep 2023 • Tao Wang, Changsheng You, Changchuan Yin
However, this approach may cause degraded beam training performance in practice due to the near-field channel model of the BS-IRS link.
no code implementations • 28 Jun 2023 • Changsheng You, Yunpu Zhang, Chenyu Wu, Yong Zeng, Beixiong Zheng, Li Chen, Linglong Dai, A. Lee Swindlehurst
Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to achieve super-high spectral efficiency and spatial resolution in future wireless systems.
no code implementations • 17 Apr 2023 • Yunpu Zhang, Changsheng You, Weijie Yuan, Fan Liu, Rui Zhang
Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fundamental paradigm shift from conventional far-field communications towards the new near-field communications.
no code implementations • 12 Feb 2023 • Xiaodan Shao, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) is an emerging technology that is able to significantly improve the performance of wireless communications, by smartly tuning signal reflections at a large number of passive reflecting elements.
no code implementations • 18 Jan 2023 • Yunpu Zhang, Changsheng You, Li Chen, Beixiong Zheng
For this scenario, we first obtain a closed-form expression for the inter-user interference at the near-field user caused by the far-field beam by using Fresnel functions, based on which the effects of the number of BS antennas, far-field user (FU) angle, near-field user (NU) angle and distance are analyzed.
no code implementations • 2 Jul 2022 • Ang Chen, Li Chen, Yunfei Chen, Changsheng You, Guo Wei, F. Richard Yu
In this paper, we improve the near-field positioning technology from the classical spherical wavefront model (SWM) to the more accurate and true electromagnetic propagation model (EPM).
no code implementations • 22 Jan 2022 • Xiaodan Shao, Changsheng You, Wenyan Ma, Xiaoming Chen, Rui Zhang
Intelligent reflecting surface (IRS) has emerged as a promising technology to reconfigure the radio propagation environment by dynamically controlling wireless signal's amplitude and/or phase via a large number of reflecting elements.
no code implementations • 28 Apr 2021 • Abu Sufian, Changsheng You, Mianxiong Dong
In this article, we propose a transfer learning-based edge computing method for home health monitoring.
no code implementations • 30 Oct 2020 • Beixiong Zheng, Changsheng You, Rui Zhang
To achieve the more significant passive beamforming gain in the double-intelligent reflecting surface (IRS) aided system over the conventional single-IRS counterpart, channel state information (CSI) is indispensable in practice but also more challenging to acquire, due to the presence of not only the single- but also double-reflection links that are intricately coupled and also entail more channel coefficients for estimation.
Information Theory Information Theory
no code implementations • 31 Aug 2020 • Beixiong Zheng, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) has emerged as an enabling technology to achieve smart and reconfigurable wireless communication environment cost-effectively.
Information Theory Emerging Technologies Information Theory
no code implementations • 6 Jul 2020 • Qingqing Wu, Shuowen Zhang, Beixiong Zheng, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal prorogation in wireless networks.
no code implementations • 2 Mar 2020 • Beixiong Zheng, Changsheng You, Rui Zhang
To achieve the full passive beamforming gains of intelligent reflecting surface (IRS), accurate channel state information (CSI) is indispensable but practically challenging to acquire, due to the excessive amount of channel parameters to be estimated which increases with the number of IRS reflecting elements as well as that of IRS-served users.
Information Theory Information Theory
no code implementations • 2 Sep 2018 • Guangxu Zhu, Dongzhu Liu, Yuqing Du, Changsheng You, Jun Zhang, Kaibin Huang
Accordingly, a new research area, called edge learning, emerges, which crosses and revolutionizes two disciplines: wireless communication and machine learning.