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Cooperative spectrum sensing (CSS) is a promising approach to improve the detection of primary users (PUs) using multiple sensors. However, there are several challenges for existing combination methods, i.e., performance degradation and…

Signal Processing · Electrical Eng. & Systems 2024-09-30 Peng Yi , Yang Cao , Xin Kang , Ying-Chang Liang

Satellite-terrestrial communications are severely constrained by high path loss, limited spectrum resources, and time-varying channel conditions, rendering conventional bit-level transmission schemes inefficient and fragile, particularly in…

Information Theory · Computer Science 2026-03-04 Jinghong Huang , Mengying Sun , Xiaodong Xu , Jianchi Zhu , Zechuan Fang , Jingxuan Zhang , Ruichen Zhang , Chen Dong , Ping Zhang , Dusit Niyato

Semantic Communication (SemCom) is a promising new paradigm for next-generation communication systems, emphasizing the transmission of core information, particularly in environments characterized by uncertainty, noise, and bandwidth…

Information Theory · Computer Science 2025-02-25 Feibo Jiang , Siwei Tu , Li Dong , Kezhi Wang , Kun Yang , Ruiqi Liu , Cunhua Pan , Jiangzhou Wang

Channel state information (CSI) needs to be estimated for reliable and efficient communication, however, location information is hidden inside and can be further exploited. This article presents a detailed description of a Massive…

Systems and Control · Electrical Eng. & Systems 2022-11-11 Achiel Colpaert , Sibren De Bast , Andrea P. Guevara , Zhuangzhuang Cui , Sofie Pollin

Due to the ability of feature extraction, deep learning (DL)-based methods have been recently applied to channel state information (CSI) compression feedback in massive multiple-input multiple-output (MIMO) systems. Existing DL-based CSI…

Information Theory · Computer Science 2023-06-13 Shaoqing Zhang , Wei Xu , Shi Jin , Xiaohu You , Derrick Wing Kwan Ng , Li-Chun Wang

In order to fully exploit the advantages of massive multiple-input multiple-output (mMIMO), it is critical for the transmitter to accurately acquire the channel state information (CSI). Deep learning (DL)-based methods have been proposed…

Information Theory · Computer Science 2022-04-26 Ziqing Yin , Wei Xu , Renjie Xie , Shaoqing Zhang , Derrick Wing Kwan Ng , Xiaohu You

Semantic communications (SCs) aim to transmit only the essential information required to perform given tasks, thereby improving communication efficiency. Deep learning-based joint source-channel coding (deep JSCC) has emerged as a promising…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Eunhye Hong , Taewoo Park , Yongjune Kim

Channel state information (CSI) feedback is necessary for the frequency division duplexing (FDD) multiple input multiple output (MIMO) systems due to the channel non-reciprocity. With the help of deep learning, many works have succeeded in…

Information Theory · Computer Science 2023-02-07 Zhilin Lu , Xudong Zhang , Rui Zeng , Jintao Wang

Although existing semantic communication systems have achieved great success, they have not considered that the channel is time-varying wherein deep fading occurs occasionally. Moreover, the importance of each semantic feature differs from…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Kequan Zhou , Guangyi Zhang , Yunlong Cai , Qiyu Hu , Guanding Yu

Infrared-visible image fusion methods aim at generating fused images with good visual quality and also facilitate the performance of high-level tasks. Indeed, existing semantic-driven methods have considered semantic information injection…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Liying Wang , Xiaoli Zhang , Chuanmin Jia , Siwei Ma

Multimodal semantic communication has gained widespread attention due to its ability to enhance downstream task performance. A key challenge in such systems is the effective fusion of features from different modalities, which requires the…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Haoshuo Zhang , Yufei Bo , Hongwei Zhang , Meixia Tao

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…

Information Theory · Computer Science 2024-08-27 Yandi Cao , Haifan Yin , Ziao Qin , Weidong Li , Weimin Wu , Mérouane Debbah

Most multi-view clustering methods are limited by shallow models without sound nonlinear information perception capability, or fail to effectively exploit complementary information hidden in different views. To tackle these issues, we…

Machine Learning · Computer Science 2022-10-14 Fu Lele , Zhang Lei , Yang Jinghua , Chen Chuan , Zhang Chuanfu , Zheng Zibin

Semantic communication, when examined through the lens of joint source-channel coding (JSCC), maps source messages directly into channel input symbols, where the measure of success is defined by end-to-end distortion rather than traditional…

Information Theory · Computer Science 2024-07-09 Tze-Yang Tung , Homa Esfahanizadeh , Jinfeng Du , Harish Viswanathan

Current image fusion methods struggle to adapt to real-world environments encompassing diverse degradations with spatially varying characteristics. To address this challenge, we propose a robust fusion controller (RFC) capable of achieving…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Hao Zhang , Yanping Zha , Qingwei Zhuang , Zhenfeng Shao , Jiayi Ma

We introduce a novel physical layer scheme for single user Multiple-Input Multiple-Output (MIMO) communications based on unsupervised deep learning using an autoencoder. This method extends prior work on the joint optimization of physical…

Information Theory · Computer Science 2017-07-26 Timothy J. O'Shea , Tugba Erpek , T. Charles Clancy

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

Information Theory · Computer Science 2024-01-17 Yu Zhang , Ahmed Alkhateeb

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

Multimodal learning mimics the reasoning process of the human multi-sensory system, which is used to perceive the surrounding world. While making a prediction, the human brain tends to relate crucial cues from multiple sources of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Lang Su , Chuqing Hu , Guofa Li , Dongpu Cao

Machine learning (ML) has greatly advanced data-driven channel modeling and resource optimization in wireless communication systems. However, most existing ML-based methods rely on large, accurately labeled datasets with location…

Signal Processing · Electrical Eng. & Systems 2025-11-24 Wangqian Chen , Junting Chen , Shuguang Cui