7 citations · 42 across the 21 of their papers we have counts for
21 papers
Two-Bit RIS-Aided Communications at 3.5GHz: Some Insights from the Measurement Results Under Multiple Practical Scenes
Shun Zhang, Haoran Sun, Runze Yu +6
In this paper, we propose a two-bit reconfigurable intelligent surface (RIS)-aided communication system, which mainly consists of a two-bit RIS, a transmitter and a receiver. A cor…
Joint Channel Estimation and Data Detection for Hybrid RIS aided Millimeter Wave OTFS Systems
Muye Li, Shun Zhang, Yao Ge +2
For high mobility communication scenario, the recently emerged orthogonal time frequency space (OTFS) modulation introduces a new delay-Doppler domain signal space, and can provide…
Deep Learning-based Time-varying Channel Estimation for RIS Assisted Communication
Meng Xu, Shun Zhang, Jianpeng Ma +1
Reconfigurable intelligent surface (RIS) is considered as a revolutionary technology for future wireless communication networks. In this letter, we consider the acquisition of the…
Cascaded Channel Estimation for RIS Assisted mmWave MIMO Transmissions
Yushan Liu, Shun Zhang, Feifei Gao +2
Channel estimation is challenging for the reconfigurable intelligence surface (RIS) assisted millimeter wave (mmWave) communications. Since the number of coefficients of the cascad…
AIRIS: Artificial Intelligence Enhanced Signal Processing in Reconfigurable Intelligent Surface Communications
Shun Zhang, Muye Li, Mengnan Jian +2
Reconfigurable intelligent surface (RIS) is an emerging meta-surface that can provide additional communications links through reflecting the signals, and has been recognized as a s…
Deep Learning based Channel Extrapolation for Large-Scale Antenna Systems: Opportunities, Challenges and Solutions
Shun Zhang, Yushan Liu, Feifei Gao +3
With the depletion of spectrum, wireless communication systems turn to exploit large antenna arrays to achieve the degree of freedom in space domain, such as millimeter wave massiv…
Deep Learning based Antenna Selection and CSI Extrapolation in Massive MIMO Systems
Bo Lin, Feifei Gao, Shun Zhang +2
A critical bottleneck of massive multiple-input multiple-output (MIMO) system is the huge training overhead caused by downlink transmission, like channel estimation, downlink beamf…
Ordinary Differential Equation-based CNN for Channel Extrapolation over RIS-assisted Communication
Meng Xu, Shun Zhang, Caijun Zhong +2
The reconfigurable intelligent surface (RIS) is considered as a promising new technology for reconfiguring wireless communication environments. To acquire the channel information a…
Deep Learning Based Antenna Selection for Channel Extrapolation in FDD Massive MIMO
Yindi Yang, Shun Zhang, Feifei Gao +3
In massive multiple-input multiple-output (MIMO) systems, the large number of antennas would bring a great challenge for the acquisition of the accurate channel state information,…
Graph Neural Network based Channel Tracking for Massive MIMO Networks
Yindi Yang, Shun Zhang, Feifei Gao +2
In this paper, we resort to the graph neural network (GNN) and propose the new channel tracking method for the massive multiple-input multiple-output networks under the high mobili…
A New Path Division Multiple Access for the Massive MIMO-OTFS Networks
Muye Li, Shun Zhang, Feifei Gao +2
This paper focuses on a new path division multiple access (PDMA) for both uplink (UL) and downlink (DL) massive multiple-input multiple-output network over a high mobility scenario…
Uplink-aided High Mobility Downlink Channel Estimation over Massive MIMO-OTFS System
Yushan Liu, Shun Zhang, Feifei Gao +2
Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems, application of massive multiple-input multiple-output (MIMO) over the orthogonal time fr…
Multi-Antenna Covert Communications with Random Access Protocol
Weile Zhang, Nan Zhao, Shun Zhang +1
In this paper, we consider the issue of covert communications with random access protocol. We consider that the legitimate user Bob has no priori knowledge about packet arrival tim…
High-Mobility Massive MIMO Communications:Doppler Compensation and Transmit Diversity
Weile Zhang, Zhinan Hu, Shun Zhang +1
High-mobility wireless communications have been receiving a lot attentions. In this paper, we consider the highmobility uplink transmission from a high-speed terminal (HST) to a ba…
Time-Varying Downlink Channel Tracking for Quantized Massive MIMO Networks
Jianpeng Ma, Shun Zhang, Hongyan Li +2
This paper proposes a Bayesian downlink channel estimation algorithm for time-varying massive MIMO networks. In particular, the quantization effects at the receiver are considered.…
Time-Varying Massive MIMO Channel Estimation: Capturing, Reconstruction and Restoration
Muye Li, Shun Zhang, Nan Zhao +2
On the time-varying channel estimation, the traditional downlink (DL) channel restoration schemes usually require the reconstruction for the covariance of downlink process noise ve…
Beamforming Network Optimization for Reducing Channel Time Variation in High-Mobility Massive MIMO
Yinghao Ge, Weile Zhang, Feifei Gao +2
Communications in high-mobility environments have caught a lot of attentions recently. In this paper, fast time-varying channels for massive multiple-input multiple-output (MIMO) s…
Base Station Selection for Massive MIMO Networks with Two-stage Precoding
Jianpeng Ma, Shun Zhang, Hongyan Li +2
The two-stage precoding has been proposed to reduce the overhead of both the channel training and the channel state information (CSI) feedback for the massive multiple-input multip…
Interference-Alignment and Soft-Space-Reuse Based Cooperative Transmission for Multi-cell Massive MIMO Networks
Jianpeng Ma, Shun Zhang, Hongyan Li +2
As a revolutionary wireless transmission strategy, interference alignment (IA) can improve the capacity of the cell-edge users. However, the acquisition of the global channel state…
Spatial-Temporal BEM and Channel Estimation Strategy for Massive MIMO Time-Varying Systems
Hongxiang Xie, Feifei Gao, Shun Zhang +1
This paper proposes a new channel estimation scheme for the multiuser massive multiple-input multiple-output (MIMO) systems in time-varying environment. We introduce a discrete Fou…
A Simple DFT-aided Spatial Basis Expansion Model and Channel Estimation Strategy for TDD/FDD Massive MIMO Systems
Hongxiang Xie, Feifei Gao, Shun Zhang +1
This paper proposes a new transmission strategy for the multiuser massive multiple-input multiple-output (MIMO) systems, including uplink/downlink channel estimation and user sched…