[PDF][PDF] 灾后应急通信网络下的中继选择与轨迹优化研究

陈海华, 高飞帆, 何明 - 电子与信息学报, 2023 - jeit.ac.cn
近年来, 无人机(UAVs) 凭借其机动灵活的特点, 广泛应用于灾后救援工作.
针对灾后应急通信网络下勘察无人机执行任务的场景, 为了延长应急通信网络的整体续航时间 …

Massive MIMO beam-forming for high speed train communication: directivity vs beamwidth

X Chen, J Lu, P Fan - arXiv preprint arXiv:1702.02121, 2017 - arxiv.org
High-mobility adaption and massive Multiple-input Multiple-output (MIMO) application are
two primary evolving objectives for the next generation high speed train communication …

Statistically-aided codebook-based hybrid precoding for mmWave single-user MIMO systems

AW Shaban, O Damen, Y Xin… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
In this paper, we propose practical yet effective statistically-aided codebook-based hybrid
precoding schemes for single-user massive MIMO systems operating in millimeter wave …

[HTML][HTML] Trajectory prediction and channel monitoring aided fast beam tracking scheme at unlicensed mmwave bands

P Li, D Liu, X Hou, J Wang - Electronics, 2020 - mdpi.com
Unlicensed 60 GHz millimeter band has a great potential in industrial Internet of things (IIoT)
owing to its continuous large bandwidth. However, the signal transmission in this band …

[PDF][PDF] 毫米波大规模天线系统中的混合波束成型技术

刘丹谱, 吴伟, 张松岭 - 中国传媒大学学报(自然科学版), 2021 - journal.cuc.edu.cn
混合波束成型通过模拟和数字两级混合处理, 可以在少量射频链路的支持下实现对更高频谱效率
的支持, 是毫米波大规模天线系统走向实用化的关键技术. 本文首先论述了混合波束成型系统的 …

Two-stage space-time receiver structure for multiuser hybrid mmW massive MIMO systems

R Magueta, D Castanheira, A Silva… - … IEEE Conference on …, 2016 - ieeexplore.ieee.org
This paper considers a hybrid two-stage space-time receiver structure for uplink millimeter
wave (mmW) based systems, where the user terminals (UTs) and the base station (BS) are …

[HTML][HTML] Two-stage 3D codebook design and fast beam search algorithm for millimeter-wave massive MIMO systems

Z Peng, W Li - Electronics, 2020 - mdpi.com
For 3D beam access in massive multi-input multi-output (MIMO) systems, this paper
proposes a feasible two-stage 3D codebook design and corresponding fast beam training …

[PDF][PDF] Millimeter wave beamforming training: A reinforcement learning approach

EM Mohamed - International Journal of Electronics and …, 2021 - journals.pan.pl
Beamforming training (BT) is considered as an essential process to accomplish the
communications in the millimeter wave (mmWave) band, ie, 30~ 300 GHz. This process …

Millimeter wave systems for wireless cellular communications

L Zhao - arXiv preprint arXiv:1811.12606, 2018 - arxiv.org
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 main …

Secure hybrid beamforming with low-resolution phase shifters in mmWave MIMO systems

X Tian, Z Wang, H Li, M Li, Z Sun - 2019 IEEE Global …, 2019 - ieeexplore.ieee.org
Millimeter wave (mmWave) communications with large-scale antenna arrays and hardware-
efficient analog/digital hybrid beamforming have been widely considered as one of the key …