600 citations · 979 across the 39 of their papers we have counts for
11 papers · 1 filter
Reducing Channel Estimation and Feedback Overhead in IRS-Aided Downlink System: A Quantize-then-Estimate Approach
Rui Wang, Zhaorui Wang, Liang Liu +2
Channel state information (CSI) acquisition is essential for the base station (BS) to fully reap the beamforming gain in intelligent reflecting surface (IRS)-aided downlink communi…
A Heterogeneous 6G Networked Sensing Architecture with Active and Passive Anchors
Qipeng Wang, Liang Liu, Shuowen Zhang +2
In the future 6G integrated sensing and communication (ISAC) cellular systems, networked sensing is a promising technique that can leverage the cooperation among the base stations…
Joint Data Association, NLOS Mitigation, and Clutter Suppression for Networked Device-Free Sensing in 6G Cellular Network
Qin Shi, Liang Liu, Shuowen Zhang
Recently, there is a growing interest in achieving integrated sensing and communication (ISAC) in the sixth-generation (6G) cellular network. Inspired by this trend and the success…
Networked Sensing in 6G Cellular Networks: Opportunities and Challenges
Liang Liu, Shuowen Zhang, Rui Du +2
Radar and wireless communication are widely acknowledged as the two most successful applications of the radio technology over the past decades. Recently, there is a trend in both a…
Trilateration-Based Device-Free Sensing: Two Base Stations and One Passive IRS Are Sufficient
Qipeng Wang, Liang Liu, Shuowen Zhang +1
The classic trilateration technique can localize each target based on its distances to three anchors with known coordinates. Usually, this technique requires all the anchors and ta…
Exploiting Temporal Side Information in Massive IoT Connectivity
Qipeng Wang, Liang Liu, Shuowen Zhang +1
This paper considers the joint device activity detection and channel estimation problem in a massive Internet of Things (IoT) connectivity system, where a large number of IoT devic…
Device-Free Sensing in OFDM Cellular Network
Qin Shi, Liang Liu, Shuowen Zhang +1
This paper considers device-free sensing in an orthogonal frequency division multiplexing (OFDM) cellular network to enable integrated sensing and communication (ISAC). A novel two…
A New Channel Estimation Strategy in Intelligent Reflecting Surface Assisted Networks
Rui Wang, Liang Liu, Shuowen Zhang +1
Channel estimation is the main hurdle to reaping the benefits promised by the intelligent reflecting surface (IRS), due to its absence of ability to transmit/receive pilot signals…
A Two-Stage Radar Sensing Approach based on MIMO-OFDM Technology
Liang Liu, Shuowen Zhang
Recently, integrating the communication and sensing functions into a common network has attracted a great amount of attention. This paper considers the advanced signal processing t…
Intelligent Reflecting Surface Aided Multicasting with Random Passive Beamforming
Qin Tao, Shuowen Zhang, Caijun Zhong +1
In this letter, we consider a multicast system where a single-antenna transmitter sends a common message to multiple single-antenna users, aided by an intelligent reflecting surfac…
IRS-Enhanced OFDM: Power Allocation and Passive Array Optimization
Yifei Yang, Shuowen Zhang, Rui Zhang
Intelligent reflecting surface (IRS) is a promising new technology for achieving spectrum and energy efficient wireless communication systems in the future. By adaptively varying t…