English
Related papers

Related papers: Knowledge-driven Meta-learning for CSI Feedback

200 papers

Deep learning (DL)-based channel state information (CSI) feedback has the potential to improve the recovery accuracy and reduce the feedback overhead in massive multiple-input multiple-output orthogonal frequency division multiplexing…

Signal Processing · Electrical Eng. & Systems 2024-08-14 Hongrui Shen , Long Zhao , Kan Zheng , Yuhua Cao , Pingzhi Fan

In massive multiple-input multiple-output (MIMO) systems, the user equipment (UE) needs to feed the channel state information (CSI) back to the base station (BS) for the following beamforming. But the large scale of antennas in massive MIMO…

Information Theory · Computer Science 2022-11-10 Xudong Zhang , Zhilin Lu , Rui Zeng , Jintao Wang

Meta-learning is a branch of machine learning which trains neural network models to synthesize a wide variety of data in order to rapidly solve new problems. In process control, many systems have similar and well-understood dynamics, which…

Systems and Control · Electrical Eng. & Systems 2022-09-20 Daniel G. McClement , Nathan P. Lawrence , Johan U. Backstrom , Philip D. Loewen , Michael G. Forbes , R. Bhushan Gopaluni

In recent years deep reinforcement learning (RL) systems have attained superhuman performance in a number of challenging task domains. However, a major limitation of such applications is their demand for massive amounts of training data. A…

The application of deep learning (DL)-based channel state information (CSI) feedback frameworks in massive multiple-input multiple-output (MIMO) systems has significantly improved reconstruction accuracy. However, the limited generalization…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Zhilin Du , Zhenyu Liu , Haozhen Li , Shilong Fan , Xinyu Gu , Lin Zhang

In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with CSI significantly hampers the throughput improvements. Recent…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Fan Qi , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Unleashing the full potential of massive MIMO in FDD mode by reducing the overhead of CSI feedback has recently garnered attention. Numerous deep learning for massive MIMO CSI feedback approaches have demonstrated their efficiency and…

Information Theory · Computer Science 2023-05-01 Sijie Ji , Mo Li

To fully unlock the benefits of multiple-input multiple-output (MIMO) networks, downlink channel state information (CSI) is required at the base station (BS). In frequency division duplex (FDD) systems, the CSI is acquired through a…

Information Theory · Computer Science 2023-05-23 Matteo Nerini , Valentina Rizzello , Michael Joham , Wolfgang Utschick , Bruno Clerckx

Deep learning based channel state information (CSI) feedback in frequency division duplex systems has drawn much attention in both academia and industry. In this paper, we focus on integrating the Type-II codebook in the beyond…

Information Theory · Computer Science 2023-06-01 Ke Ma , Yiliang Sang , Yang Ming , Jin Lian , Chang Tian , Zhaocheng Wang

In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convolutional neural network (NN) based techniques show competitive…

Information Theory · Computer Science 2018-11-20 Chao Lu , Wei Xu , Hong Shen , Jun Zhu , Kezhi Wang

With the great success of deep learning (DL) in image classification, speech recognition, and other fields, more and more studies have applied various neural networks (NNs) to wireless resource allocation. Generally speaking, these…

Signal Processing · Electrical Eng. & Systems 2023-06-26 Qiushuo Hou , Mengyuan Lee , Guanding Yu , Yunlong Cai

Machine learning methods adapt the parameters of a model, constrained to lie in a given model class, by using a fixed learning procedure based on data or active observations. Adaptation is done on a per-task basis, and retraining is needed…

Machine Learning · Computer Science 2021-10-22 Osvaldo Simeone , Sangwoo Park , Joonhyuk Kang

In next-generation wireless communication systems, the newly designated upper mid-band has attracted considerable attention, also called frequency range 3 (FR3), highlighting the need for downlink (DL) transmission design, which…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Xuan He , Hongwei Hou , Yafei Wang , Wenjin Wang , Shi Jin , Symeon Chatzinotas , Björn Ottersten

Deep neural networks can achieve great successes when presented with large data sets and sufficient computational resources. However, their ability to learn new concepts quickly is limited. Meta-learning is one approach to address this…

Machine Learning · Computer Science 2021-04-22 Mike Huisman , Jan N. van Rijn , Aske Plaat

As the application of deep learning has expanded to real-world problems with insufficient volume of training data, transfer learning recently has gained much attention as means of improving the performance in such small-data regime.…

Machine Learning · Computer Science 2019-05-16 Yunhun Jang , Hankook Lee , Sung Ju Hwang , Jinwoo Shin

Utilizing Deep Reinforcement Learning (DRL) for Reconfigurable Intelligent Surface (RIS) assisted wireless communication has been extensively researched. However, existing DRL methods either act as a simple optimizer or only solve problems…

Systems and Control · Electrical Eng. & Systems 2026-01-19 Meng-Qian Alexander Wu , Tzu-Hsien Sang , Luisa Schuhmacher , Ming-Jie Guo , Khodr Hammoud , Sofie Pollin

In multiple-input multiple-output (MIMO) systems, the high-resolution channel information (CSI) is required at the base station (BS) to ensure optimal performance, especially in the case of multi-user MIMO (MU-MIMO) systems. In the absence…

Information Theory · Computer Science 2022-02-04 Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Caleb Lo , Juho Lee , Jianzhong Zhang

This paper presents a finite-rate deep-learning (DL)-based channel state information (CSI) feedback method for massive multiple-input multiple-output (MIMO) systems. The presented method provides a finite-bit representation of the latent…

Signal Processing · Electrical Eng. & Systems 2024-03-14 Junyong Shin , Yujin Kang , Yo-Seb Jeon

While deep learning has achieved remarkable results on various applications, it is usually data hungry and struggles to learn over non-stationary data stream. To solve these two limits, the deep learning model should not only be able to…

Machine Learning · Computer Science 2019-09-05 Canyu Le , Xihan Wei , Biao Wang , Lei Zhang , Zhonggui Chen

In an aerial hybrid massive multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) system, how to design a spectral-efficient broadband multi-user hybrid beamforming with a limited pilot and feedback…

Signal Processing · Electrical Eng. & Systems 2022-09-12 Zhen Gao , Minghui Wu , Chun Hu , Feifei Gao , Guanghui Wen , Dezhi Zheng , Jun Zhang
‹ Prev 1 3 4 5 6 7 10 Next ›