19 citations · 72 across the 14 of their papers we have counts for
14 papers
Near-Field Rainbow: Wideband Beam Training for XL-MIMO
Mingyao Cui, Linglong Dai, Zhaocheng Wang +2
Wideband extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technique to achieve Tbps data rates in future 6G systems through beamforming and spatial mul…
Terahertz Wireless Communications with Flexible Index Modulation Aided Pilot Design
Tianqi Mao, Zhaocheng Wang
Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second. However, some h…
Deep Learning Assisted Calibrated Beam Training for Millimeter-Wave Communication Systems
Ke Ma, Dongxuan He, Hancun Sun +2
Huge overhead of beam training imposes a significant challenge in millimeter-wave (mmWave) wireless communications. To address this issue, in this paper, we propose a wide beam bas…
RIS-Aided Offshore Communications with Adaptive Beamforming and Service Time Allocation
Zhengyi Zhou, Ning Ge, Wendong Liu +1
Reconfigurable intelligent surfaces (RISs), which can deliberately adjust the phase of incident waves, have shown enormous potentials to reconfigure the signal propagation for perf…
Compressive Sensing Techniques for Next-Generation Wireless Communications
Zhen Gao, Linglong Dai, Shuangfeng Han +3
A range of efficient wireless processes and enabling techniques are put under a magnifier glass in the quest for exploring different manifestations of correlated processes, where s…
Spectrum and Energy Efficient Beamspace MIMO-NOMA for Millimeter-Wave Communications Using Lens Antenna Array
Bichai Wang, Linglong Dai, Zhaocheng Wang +2
The recent concept of beamspace multiple input multiple output (MIMO) can significantly reduce the number of required radio-frequency (RF) chains in millimeter-wave (mmWave) massiv…
Codebook Design for Channel Feedback in Lens-Based Millimeter-Wave Massive MIMO Systems
Wenqian Shen, Linglong Dai, Yang Yang +2
The number of radio frequency (RF) chains can be reduced through beam selection in lens-based millimeter-wave (mmWave) massive MIMO systems, where the equivalent channel between RF…
GMD-Based Hybrid Precoding For Millimeter-Wave Massive MIMO Systems
Tian Xie, Linglong Dai, Xinyu Gao +2
Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains and relieve the huge energy consumption in mmWave massive MIMO systems, thus attracting…
Turbo-Like Beamforming Based on Tabu Search Algorithm for Millimeter-Wave Massive MIMO Systems
Xinyu Gao, Linglong Dai, Chau Yuen +1
For millimeter-wave (mmWave) massive MIMO systems, the codebook-based analog beamforming (including transmit precoding and receive combining) is usually used to compensate the seve…
Matrix Inversion-Less Signal Detection Using SOR Method for Uplink Large-Scale MIMO Systems
Xinyu Gao, Linglong Dai, Yuting Hu +2
For uplink large-scale MIMO systems, linear minimum mean square error (MMSE) signal detection algorithm is near-optimal but involves matrix inversion with high complexity. In this…
Low-complexity near-optimal signal detection for uplink large-scale MIMO systems
Xinyu Gao, Linglong Dai, Yongkui Ma +1
Minimum mean square error (MMSE) signal detection algorithm is near- optimal for uplink multi-user large-scale multiple input multiple output (MIMO) systems, but involves matrix in…
Effective Rate Analysis of MISO Systems over - Fading Channels
Jiayi Zhang, Linglong Dai, Zhaocheng Wang +2
The effective rate is an important performance metric of real-time applications in next generation wireless networks. In this paper, we present an analysis of the effective rate of…
Soft Pilot Reuse and Multi-Cell Block Diagonalization Precoding for Massive MIMO Systems
Xudong Zhu, Zhaocheng Wang, Chen Qian +4
The users at cell edge of a massive multiple-input multiple-output (MIMO) system suffer from severe pilot contamination, which leads to poor quality of service (QoS). In order to e…
Polar Decomposition of Mutual Information over Complex-Valued Channels
Qiuliang Xie, Zhaocheng Wang, Zhixing Yang
A polar decomposition of mutual information between a complex-valued channel's input and output is proposed for a input whose amplitude and phase are independent of each other. The…