27 citations · 53 across the 10 of their papers we have counts for
10 papers
Robust Adaptive Beam Tracking for Mobile Millimetre Wave Communications
Chunshan Liu, Min Li, Lou Zhao +4
Millimetre wave (mmWave) beam tracking is a challenging task because tracking algorithms are required to provide consistent high accuracy with low probability of loss of track and…
Millimeter-Wave Beam Search with Iterative Deactivation and Beam Shifting
Chunshan Liu, Min Li, Lou Zhao +3
Millimeter Wave (mmWave) communications rely on highly directional beams to combat severe propagation loss. In this paper, an adaptive beam search algorithm based on spatial scanni…
A Distributed Multi-RF Chain Hybrid mmWave Scheme for Small-cell Systems
Lou Zhao, Jiajia Guo, Zhiqiang Wei +2
This paper proposes a distributed hybrid millimeter wave (mmWave) scheme to exploit the structure of a Densely Deployed Distributed (DDD) small-cell-base-stations (SBSs) system for…
Millimeter Wave Systems for Wireless Cellular Communications
Lou Zhao
This thesis considers channel estimation and multiuser (MU) data transmission for massive MIMO systems with fully digital/hybrid structures in mmWave channels. It contains three ma…
Multi-Beam NOMA for Hybrid mmWave Systems
Zhiqiang Wei, Lou Zhao, Jiajia Guo +2
In this paper, we propose a multi-beam non-orthogonal multiple access (NOMA) scheme for hybrid millimeter wave (mmWave) systems and study its resource allocation. A beam splitting…
Multi-cell Hybrid Millimeter Wave Systems: Pilot Contamination and Interference Mitigation
Lou Zhao, Zhiqiang Wei, Derrick Wing Kwan Ng +2
In this paper, we investigate the system performance of a multi-cell multi-user (MU) hybrid millimeter wave (mmWave) communications in a multiple-input multiple-output (MIMO) netwo…
A Multi-Beam NOMA Framework for Hybrid mmWave Systems
Zhiqiang Wei, Lou Zhao, Jiajia Guo +2
In this paper, we propose a multi-beam non-orthogonal multiple access (NOMA) framework for hybrid millimeter wave (mmWave) systems. The proposed framework enables the use of a limi…
Mitigating Pilot Contamination in Multi-cell Hybrid Millimeter Wave Systems
Lou Zhao, Zhiqiang Wei, Derrick Wing Kwan Ng +2
In this paper, we investigate the system performance of a multi-cell multi-user (MU) hybrid millimeter wave (mmWave) multiple-input multiple-output (MIMO) network adopting the chan…
Multi-user Precoding and Channel Estimation for Hybrid Millimeter Wave Systems
Lou Zhao, Derrick Wing Kwan Ng, Jinhong Yuan
In this paper, we develop a low-complexity channel estimation for hybrid millimeter wave (mmWave) systems, where the number of radio frequency (RF) chains is much less than the num…
Multiuser Precoding and Channel Estimation for Hybrid Millimeter Wave MIMO Systems
Lou Zhao, Derrick Wing Kwan Ng, Jinhong Yuan
In this paper, we develop a low-complexity channel estimation for hybrid millimeter wave (mmWave) systems, where the number of radio frequency (RF) chains is much less than the num…