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From the viewpoint of physical-layer authentication, spoofing attacks can be foiled by checking channel state information (CSI). Existing CSI-based authentication algorithms mostly require a deep knowledge of the channel to deliver decent…

Machine Learning · Computer Science 2018-07-26 Qian Wang , Hang Li , Zhi Chen , Dou Zhao , Shuang Ye , Jiansheng Cai

In the realm of reconfigurable intelligent surface (RIS)-assisted wireless communications, efficient channel state information (CSI) feedback is paramount. This paper introduces RIS-CoCsiNet, a novel deep learning-based framework designed…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Xi Yang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

In frequency division duplex (FDD) massive multiple-input multiple-output (mMIMO) systems, the reciprocity mismatch caused by receiver distortion seriously degrades the amplitude prediction performance of channel state information (CSI). To…

Information Theory · Computer Science 2023-09-01 Chaojin Qing , Zilong Wang , Qing Ye , Wenhui Liu , Linsi He

A critical bottleneck of massive multiple-input multiple-output (MIMO) system is the huge training overhead caused by downlink transmission, like channel estimation, downlink beamforming and covariance observation. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Bo Lin , Feifei Gao , Shun Zhang , Ting Zhou , Ahmed Alkhateeb

Multi-modality (MM) image fusion aims to render fused images that maintain the merits of different modalities, e.g., functional highlight and detailed textures. To tackle the challenge in modeling cross-modality features and decomposing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Zixiang Zhao , Haowen Bai , Jiangshe Zhang , Yulun Zhang , Shuang Xu , Zudi Lin , Radu Timofte , Luc Van Gool

In recent years, Discriminative Correlation Filter (DCF) based tracking methods have achieved great success in visual tracking. However, the multi-resolution convolutional feature maps trained from other tasks like image classification,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Qiangqiang Wu , Yan Yan , Yanjie Liang , Yi Liu , Hanzi Wang

In network MIMO cellular systems, subsets of base stations (BSs), or remote radio heads, are connected via backhaul links to central units (CUs) that perform joint encoding in the downlink and joint decoding in the uplink. Focusing on the…

Information Theory · Computer Science 2013-10-24 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

In this work, we develop a joint denoising and feedback strategy for channel state information in frequency division duplex systems. In such systems, the biggest challenge is the overhead incurred when the mobile terminal has to send the…

Information Theory · Computer Science 2025-09-05 Valentina Rizzello , Wolfgang Utschick

Similarity metric is crucial for massive MIMO positioning utilizing channel state information~(CSI). In this letter, we propose a novel massive MIMO CSI similarity learning method via deep convolutional neural network~(DCNN) and contrastive…

Information Theory · Computer Science 2022-06-07 Junquan Deng , Wei Shi , Jianzhao Zhang , Xianyu Zhang , Chuan Zhang

Recently, deep learning-enabled joint-source channel coding (JSCC) has received increasing attention due to its great success in image transmission. However, most existing JSCC studies only focus on single-input single-output (SISO)…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Model compression has emerged as an important area of research for deploying deep learning models on Internet-of-Things (IoT). However, for extremely memory-constrained scenarios, even the compressed models cannot fit within the memory of a…

Machine Learning · Statistics 2019-07-30 Kartikeya Bhardwaj , Chingyi Lin , Anderson Sartor , Radu Marculescu

Polyps segmentation poses a significant challenge in medical imaging due to the flat surface of polyps and their texture similarity to surrounding tissues. This similarity gives rise to difficulties in establishing a clear boundary between…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Juntong Fan , Debesh Jha , Tieyong Zeng , Dayang Wang

While deep neural networks (NN) significantly advance image compressed sensing (CS) by improving reconstruction quality, the necessity of training current CS NNs from scratch constrains their effectiveness and hampers rapid deployment.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Bin Chen , Zhenyu Zhang , Weiqi Li , Chen Zhao , Jiwen Yu , Shijie Zhao , Jie Chen , Jian Zhang

We present an efficient speech separation neural network, ARFDCN, which combines dilated convolutions, multi-scale fusion (MSF), and channel attention to overcome the limited receptive field of convolution-based networks and the high…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-12 Junyu Wang

The single image super-resolution(SISR) algorithms under deep learning currently have two main models, one based on convolutional neural networks and the other based on Transformer. The former uses the stacking of convolutional layers with…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Li Ke , Liu Yukai

In wireless communication, accurate channel state information (CSI) is of pivotal importance. In practice, due to processing and feedback delays, estimated CSI can be outdated, which can severely deteriorate the performance of the…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Muhammad Karam Shehzad , Luca Rose , Mohamad Assaad

This paper introduces an innovative multi-modal fusion deep learning approach to overcome the drawbacks of traditional single-modal recognition techniques. These drawbacks include incomplete information and limited diagnostic accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Xiaoyi Liu , Hongjie Qiu , Muqing Li , Zhou Yu , Yutian Yang , Yafeng Yan

Explicit channel state information at the transmitter side is helpful to improve downlink precoding performance for multi-user MIMO systems. In order to reduce feedback signalling overhead, compression of Channel State Information (CSI) is…

Signal Processing · Electrical Eng. & Systems 2021-10-13 Benedikt Groß , Rana Ahmed Salem , Thorsten Wild , Gerhard Wunder

In this paper, we propose an end-to-end deep learning-based joint transceiver design algorithm for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, which consists of deep neural network (DNN)-aided pilot…

Information Theory · Computer Science 2021-10-27 Qiyu Hu , Yunlong Cai , Kai Kang , Guanding Yu , Jakob Hoydis , Yonina C. Eldar

Deep convolutional neural networks (CNNs) with a large number of parameters require intensive computational resources, and thus are hard to be deployed in resource-constrained platforms. Decomposition-based methods, therefore, have been…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Shaowu Chen , Jiahao Zhou , Weize Sun , Lei Huang
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