no code implementations • 23 Jan 2023 • Peilan Wang, Weidong Mei, Jun Fang, Rui Zhang
In this paper, we propose a new application of IRS for device-free target sensing via joint location and orientation estimation.
no code implementations • 4 Oct 2022 • Xi Zheng, Jun Fang, Hongwei Wang, Peilan Wang, Hongbin Li
Also, by utilizing the singular value decomposition-like structure of the effective channel, this paper develops a joint active and passive beamforming method based on the estimated cascade channels.
no code implementations • 30 Mar 2022 • Xi Zheng, Peilan Wang, Jun Fang, Hongbin Li
We consider the problem of downlink channel estimation for intelligent reflecting surface (IRS)-assisted millimeter Wave (mmWave) orthogonal frequency division multiplexing (OFDM) systems.
no code implementations • 25 Mar 2022 • Peilan Wang, Jun Fang, Weizheng Zhang, Zhi Chen, Hongbin Li, Wei zhang
The deployment of RIS, however, complicates the system architecture and poses a significant challenge for beam training (BT)/ beam alignment (BA), a process that is required to establish a reliable link between the transmitter and the receiver.
no code implementations • 10 Mar 2021 • Peilan Wang, Jun Fang, Wei zhang, Hongbin Li
Intelligent reflecting surface (IRS) has emerged as a competitive solution to address blockage issues in millimeter wave (mmWave) and Terahertz (THz) communications due to its capability of reshaping wireless transmission environments.
no code implementations • 17 Nov 2019 • Peilan Wang, Jun Fang, Huiping Duan, Hongbin Li
In this paper, we consider channel estimation for intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) systems, where an IRS is deployed to assist the data transmission from the base station (BS) to a user.
no code implementations • 28 Aug 2019 • Peilan Wang, Jun Fang, Xiaojun Yuan, Zhi Chen, Huiping Duan, Hongbin Li
In this framework, we study joint active and passive precoding design for IRS-assisted mmWave systems, where multiple IRSs are deployed to assist the data transmission from a base station (BS) to a single-antenna receiver.