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相关论文: Digital Twin Aided Massive MIMO: CSI Compression a…

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Incorporating deep learning (DL) into multiple-input multiple-output (MIMO) detection has been deemed as a promising technique for future wireless communications. However, most DL-based detection algorithms are lack of theoretical…

信号处理 · 电气工程与系统科学 2021-05-12 Qiang Hu , Feifei Gao , Hao Zhang , Geoffrey Y. Li , Zongben Xu

Deep learning (DL)-based channel state information (CSI) feedback methods compressed the CSI matrix by exploiting its delay and angle features straightforwardly, while the measure in terms of information contained in the CSI matrix has…

信息论 · 计算机科学 2023-05-16 Ziqing Yin , Renjie Xie , Wei Xu , Zhaohui Yang , Xiaohu You

In line with the AI-native 6G vision, explainability and robustness are crucial for building trust and ensuring reliable performance in millimeter-wave (mmWave) systems. Efficient beam alignment is essential for initial access, but deep…

机器学习 · 计算机科学 2025-07-22 Nasir Khan , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil , Sinem Coleri

This paper proposes a model-driven deep learning (MDDL)-based channel estimation and feedback scheme for wideband millimeter-wave (mmWave) massive hybrid multiple-input multiple-output (MIMO) systems, where the angle-delay domain channels'…

信息论 · 计算机科学 2022-01-20 Xisuo Ma , Zhen Gao , Feifei Gao , Marco Di Renzo

Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) for optimal performance. Although deep learning (DL) has…

信号处理 · 电气工程与系统科学 2025-05-14 Ruonan Ren , Jianhua Mo , Meixia Tao

Artificial intelligence (AI) substantially enhances channel state information (CSI) acquisition performance but is limited by its reliance on single-modality information and deployment challenges, particularly in dataset collection. This…

信息论 · 计算机科学 2025-06-27 Jiajia Guo , Yiming Cui , Shi Jin

Deep learning models have created great opportunities for data-driven fault diagnosis but they require large amount of labeled failure data for training. In this paper, we propose to use a digital twin to support developing data-driven…

机器学习 · 计算机科学 2024-11-05 Killian Mc Court , Xavier Mc Court , Shijia Du , Zhiguo Zeng

In frequency-division duplexing systems, the downlink channel state information (CSI) acquisition scheme leads to high training and feedback overheads. In this paper, we propose an uplink-aided downlink channel acquisition framework using…

信息论 · 计算机科学 2024-10-28 Jiajia Guo , Chao-Kai Wen , Shi Jin

Hybrid precoding is a cost-efficient technique for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) communications. This paper proposes a deep learning approach by using a distributed neural network for hybrid…

信息论 · 计算机科学 2022-04-19 Kai Wei , Jindan Xu , Wei Xu , Ning Wang , Dong Chen

In conventional multi-user multiple-input multiple-output (MU-MIMO) systems with frequency division duplexing (FDD), channel acquisition and precoder optimization processes have been designed separately although they are highly coupled.…

信息论 · 计算机科学 2022-09-22 Jeonghyeon Jang , Hoon Lee , Il-Min Kim , Inkyu Lee

Reinforcement Learning (RL) or Deep Reinforcement Learning (DRL) is a powerful approach to solving Markov Decision Processes (MDPs) when the model of the environment is not known a priori. However, RL models are still faced with challenges…

系统与控制 · 电气工程与系统科学 2024-06-04 Kabirat Olayemi , Mien Van , Luke Maguire , Sean McLoone

To reduce multiuser interference and maximize the spectrum efficiency in orthogonal frequency division duplexing massive multiple-input multiple-output (MIMO) systems, the downlink channel state information (CSI) estimated at the user…

信号处理 · 电气工程与系统科学 2023-07-19 Wei Chen , Weixiao Wan , Shiyue Wang , Peng Sun , Geoffrey Ye Li , Bo Ai

We study downlink (DL) channel estimation in a multi-cell Massive multiple-input multiple-output (MIMO) system operating in a time-division duplex. The users must know their effective channel gains to decode their received DL data signals.…

信息论 · 计算机科学 2021-09-07 Amin Ghazanfari , Trinh Van Chien , Emil Björnson , Erik G. Larsson

Magnetic resonance imaging (MRI) has revolutionized medical imaging, providing a non-invasive and highly detailed look into the human body. However, the long acquisition times of MRI present challenges, causing patient discomfort, motion…

医学物理 · 物理学 2026-01-16 Mojtaba Safari , Zach Eidex , Chih-Wei Chang , Richard L. J. Qiu , Xiaofeng Yang

Digital twin (DT) enables smart manufacturing by leveraging real-time data, AI models, and intelligent control systems. This paper presents a state-of-the-art analysis on the emerging field of DTs in the context of milling. The critical…

系统与控制 · 电气工程与系统科学 2025-12-16 Wenyi Liu , R. Sharma , W. "Grace" Guo , J. Yi , Y. B. Guo

Massive MIMO wireless FDD systems are often confronted by the challenge to efficiently obtain downlink channel state information (CSI). Previous works have demonstrated the potential in CSI encoding and recovery by take advantage of…

信息论 · 计算机科学 2021-12-20 Yu-Chien Lin , Zhenyu Liu , Ta-Sung Lee , Zhi Ding

In massive multiple-input multiple-output (MIMO) system, channel state information (CSI) is essential for the base station to achieve high performance gain. Recently, deep learning is widely used in CSI compression to fight against the…

信息论 · 计算机科学 2020-11-06 Zhilin Lu , Jintao Wang , Jian Song

In frequency division duplex mode, the downlink channel state information (CSI) should be sent to the base station through feedback links so that the potential gains of a massive multiple-input multiple-output can be exhibited. However,…

信息论 · 计算机科学 2018-04-24 Chao-Kai Wen , Wan-Ting Shih , Shi Jin

The proliferation of diverse wireless services in 5G and beyond has led to the emergence of network slicing technologies. Among these, admission control plays a crucial role in achieving service-oriented optimization goals through the…

机器学习 · 计算机科学 2024-10-11 Zhenyu Tao , Wei Xu , Xiaohu You

Coded caching provides significant gains over conventional uncoded caching by creating multicasting opportunities among distinct requests. Massive multiple-input multiple-output (MIMO) systems require downlink channel state information…

信息论 · 计算机科学 2019-07-08 Qianqian Yang , Mahdi Boloursaz Mashhadi , Deniz Gündüz