45 citations · 103 across the 8 of their papers we have counts for
13 papers
Error Performance of Rectangular Pulse-shaped OTFS with Practical Receivers
Cheng Shen, Jinhong Yuan, Hai Lin
In this letter, we investigate error performance of rectangular pulse-shaped orthogonal time frequency space (OTFS) modulation with a practical receiver. Specifically, we consider…
Deep Reinforcement Learning for Joint Beamwidth and Power Optimization in mmWave Systems
Jiabao Gao, Caijun Zhong, Xiaoming Chen +2
This paper studies the joint beamwidth and transmit power optimization problem in millimeter wave communication systems. A deep reinforcement learning based approach is proposed. S…
Unsupervised Learning for Passive Beamforming
Jiabao Gao, Caijun Zhong, Xiaoming Chen +2
Reconfigurable intelligent surface (RIS) has recently emerged as a promising candidate to improve the energy and spectral efficiency of wireless communication systems. However, the…
An Overview of Enhanced Massive MIMO with Array Signal Processing Techniques
Mingjin Wang, Feifei Gao, Shi Jin +1
In the past ten years, there have been tremendous research progresses on massive MIMO systems, most of which stand from the communications viewpoint. A new trend of investigating m…
Beam Squint and Channel Estimation for Wideband mmWave Massive MIMO-OFDM Systems
Bolei Wang, Mengnan Jian, Feifei Gao +3
With the increasing scale of antenna arrays in wideband millimeter-wave (mmWave) communications, the physical propagation delays of electromagnetic waves traveling across the whole…
Design of Non-Orthogonal Beamspace Multiple Access for Cellular Internet-of-Things
Rundong Jia, Xiaoming Chen, Caijun Zhong +3
In this paper, we study the problem of massive connections over limited radio spectrum for the cellular Internet-of-Things (IoT) in the fifth-generation (5G) wireless network. To a…