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Deep learning (DL) based channel state information (CSI) feedback in multiple-input multiple-output (MIMO) systems recently has attracted lots of attention from both academia and industrial. From a practical point of views, it is huge…

信号处理 · 电气工程与系统科学 2022-10-19 Liqiang Jin , Qiuping Huang , Qiubin Gao , Yongqiang Fei , Shaohui Sun

In frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems, downlink channel state information (CSI) plays a crucial role in achieving high spectrum and energy efficiency. However, the CSI feedback overhead…

信息论 · 计算机科学 2026-01-13 Zijiu Yang , Qianqian Yang , Shunpu Tang , Tingting Yang , Zhiguo Shi

Dynamic magnetic resonance imaging (MRI) plays an indispensable role in cardiac diagnosis. To enable fast imaging, the k-space data can be undersampled but the image reconstruction poses a great challenge of high-dimensional processing.…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Zi Wang , Min Xiao , Yirong Zhou , Chengyan Wang , Naiming Wu , Yi Li , Yiwen Gong , Shufu Chang , Yinyin Chen , Liuhong Zhu , Jianjun Zhou , Congbo Cai , He Wang , Di Guo , Guang Yang , Xiaobo Qu

Speech dereverberation is often an important requirement in robust speech processing tasks. Supervised deep learning (DL) models give state-of-the-art performance for single-channel speech dereverberation. Temporal convolutional networks…

声音 · 计算机科学 2022-07-04 William Ravenscroft , Stefan Goetze , Thomas Hain

Deep learning (DL) based methods for orthogonal frequency division multiplexing (OFDM) radio receivers demonstrated higher signal detection performance compared to the traditional receivers. However, the existing DL-based models, usually…

信息论 · 计算机科学 2025-10-15 Mohanad Obeed , Ming Jian

In spite of its extensive adaptation in almost every medical diagnostic and examinatorial application, Magnetic Resonance Imaging (MRI) is still a slow imaging modality which limits its use for dynamic imaging. In recent years, Parallel…

图像与视频处理 · 电气工程与系统科学 2022-04-11 George Yiasemis , Chaoping Zhang , Clara I. Sánchez , Jan-Jakob Sonke , Jonas Teuwen

Model discovery based on existing data has been one of the major focuses of mathematical modelers for decades. Despite tremendous achievements of model identification from adequate data, how to unravel the models from limited data is less…

数值分析 · 数学 2020-09-25 Jia Zhao , Jarrod Mau

Massive multi-input multi-output (MIMO) in Frequency Division Duplex (FDD) mode suffers from heavy feedback overhead for Channel State Information (CSI). In this paper, a novel manifold learning-based CSI feedback framework (MLCF) is…

信息论 · 计算机科学 2024-08-27 Yandi Cao , Haifan Yin , Ziao Qin , Weidong Li , Weimin Wu , Mérouane Debbah

This paper proposes to learn analysis transform network for dynamic magnetic resonance imaging (LANTERN) with small dataset. Integrating the strength of CS-MRI and deep learning, the proposed framework is highlighted in three components:…

图像与视频处理 · 电气工程与系统科学 2019-08-27 Shanshan Wang , Yanxia Chen , Taohui Xiao , Ziwen Ke , Qiegen Liu , Hairong Zheng

Future wireless systems are expected to employ a substantially larger number of transmit ports for channel state information (CSI) estimation compared to current specifications. Although scaling ports improves spectral efficiency, it also…

信号处理 · 电气工程与系统科学 2026-01-26 Advaith Arun , Shiv Shankar , Dhivagar Baskaran , Klutto Milleth , Bhaskar Ramamurthi

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…

信号处理 · 电气工程与系统科学 2024-08-14 Hongrui Shen , Long Zhao , Kan Zheng , Yuhua Cao , Pingzhi Fan

In frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems, downlink channel state information (CSI) needs to be sent back to the base station (BS) by the users, which causes prohibitive feedback overhead.…

信息论 · 计算机科学 2023-06-06 Yifan Ma , Wentao Yu , Xianghao Yu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Massive multiple-input multiple-output (MIMO) is becoming a key technology for future 5G wireless communications. Channel feedback for massive MIMO is challenging due to the substantially increased dimension of MIMO channel matrix. In this…

信息论 · 计算机科学 2015-12-14 Wenqian Shen , Linglong Dai , Yi Shi , Xudong Zhu , Zhaocheng Wang

In this article, we propose a model-driven deep learning (DL) approach that combines DL with the expert knowledge to replace the existing orthogonal frequency-division multiplexing (OFDM) receiver in wireless communications. Different from…

信号处理 · 电气工程与系统科学 2018-10-23 Xuanxuan Gao , Shi Jin , Chao-Kai Wen , Geoffrey Ye Li

In this paper, we propose a novel cooperative multi-relay transmission scheme for mobile terminals to exploit spatial diversity. By improving the timeliness of measured channel state information (CSI) through deep learning (DL)-based…

信息论 · 计算机科学 2021-02-08 Wei Jiang , Hans Dieter Schotten

Reciprocity-based time-division duplex (TDD) Massive MIMO (multiple-input multiple-output) systems utilize channel estimates obtained in the uplink to perform precoding in the downlink. However, this method has been criticized of breaking…

信息论 · 计算机科学 2022-06-13 Ema Becirovic , Emil Björnson , Erik G. Larsson

Human learners can readily understand speech, or a melody, when it is presented slower or faster than usual. Although deep convolutional neural networks (CNNs) are extremely powerful in extracting information from time series, they require…

机器学习 · 计算机科学 2022-07-01 Brandon G. Jacques , Zoran Tiganj , Aakash Sarkar , Marc W. Howard , Per B. Sederberg

In this paper, we propose a novel method for efficient implementation of a massive Multiple-Input Multiple-Output (massive MIMO) system with Frequency Division Duplexing (FDD) operation. Our main objective is to reduce the large overhead…

信息论 · 计算机科学 2017-10-24 Mahdi Barzegar Khalilsarai , Saeid Haghighatshoar , Xinping Yi , Giuseppe Caire

This paper proposes a new method called Multimodal RNNs for RGB-D scene semantic segmentation. It is optimized to classify image pixels given two input sources: RGB color channels and Depth maps. It simultaneously performs training of two…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Abrar H. Abdulnabi , Bing Shuai , Zhen Zuo , Lap-Pui Chau , Gang Wang

Magnetic resonance imaging (MRI) is a valuable clinical tool for displaying anatomical structures and aiding in accurate diagnosis. Medical image super-resolution (SR) reconstruction using deep learning techniques can enhance lesion…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Xin Hua , Zhijiang Du , Hongjian Yu , Jixin Maa