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This paper considers a reconfigurable intelligent surface (RIS) aided wireless communication system where the transmitter employs one-sided amplitude-shift keying (ASK) for data modulation and the receiver employs an optimal noncoherent…

信号处理 · 电气工程与系统科学 2025-04-25 Sambit Mishra , Soumya P. Dash

With the support of integrated sensing and communication (ISAC) technology, mobile communication system will integrate the function of wireless sensing, thereby facilitating new intelligent applications such as smart city and intelligent…

信号处理 · 电气工程与系统科学 2023-08-15 Zhiqing Wei , Ruizhong Xu , Zhiyong Feng , Huici Wu , Ning Zhang , Wangjun Jiang , Xiaoyu Yang

Variational autoencoder (VAE) is an established generative model but is notorious for its blurriness. In this work, we investigate the blurry output problem of VAE and resolve it, exploiting the variance of Gaussian decoder and $\beta$ of…

机器学习 · 计算机科学 2024-09-17 Seunghwan Kim , Seungkyu Lee

In the era of 6G, with compelling visions of intelligent transportation systems and digital twins, remote surveillance is poised to become a ubiquitous practice. Substantial data volume and frequent updates present challenges in wireless…

网络与互联网体系结构 · 计算机科学 2024-10-23 Wanting Yang , Zehui Xiong , Yanli Yuan , Wenchao Jiang , Tony Q. S. Quek , Merouane Debbah

Recently, deep learning-assisted communication systems have achieved many eye-catching results and attracted more and more researchers in this emerging field. Instead of completely replacing the functional blocks of communication systems…

信息论 · 计算机科学 2020-07-22 Wen-Chiao Tsai , Chieh-Fang Teng , Han-Mo Ou , An-Yeu Wu

A new approach for blind channel equalization and decoding, variational inference, and variational autoencoders (VAEs) in particular, is introduced. We first consider the reconstruction of uncoded data symbols transmitted over a noisy…

机器学习 · 计算机科学 2020-04-14 Avi Caciularu , David Burshtein

In this paper, we address robust design of symbol-level precoding for the downlink of multiuser multiple-input multiple-output wireless channels, in the presence of imperfect channel state information (CSI) at the transmitter. In…

信号处理 · 电气工程与系统科学 2020-04-22 Alireza Haqiqatnejad , Farbod Kayhan , Bjorn Ottersten

Methods currently in use for locating and characterising sources in radio interferometry maps are designed for processing images, and require interferometric maps to be preprocessed so as to resemble conventional images. We demonstrate a…

天体物理仪器与方法 · 物理学 2018-12-26 Peter Hague , Haoyang Ye , Bojan Nikolic , Steve Gull

Symbolic Regression (SR) can generate interpretable, concise expressions that fit a given dataset, allowing for more human understanding of the structure than black-box approaches. The addition of background knowledge (in the form of…

机器学习 · 计算机科学 2023-05-05 Charles Fox , Neil Tran , Nikki Nacion , Samiha Sharlin , Tyler R. Josephson

Deep joint source-channel coding (DJSCC) has emerged as a robust alternative to traditional separate coding for communications through wireless channels. Existing DJSCC approaches focus primarily on point-to-point wireless communication…

图像与视频处理 · 电气工程与系统科学 2025-10-16 Jiangyuan Guo , Wei Chen , Yuxuan Sun , Bo Ai

Semantic communication (SemCom) has recently emerged as a promising paradigm for next-generation wireless systems. Empowered by advanced artificial intelligence (AI) technologies, SemCom has achieved significant improvements in transmission…

信息论 · 计算机科学 2026-01-12 Shunpu Tang , Yuanyuan Jia , Qianqian Yang , Ruichen Zhang , Jihong Park , Dusit Niyato

In this paper, we investigate the sequence estimation problem of binary and quadrature phase shift keying faster-than-Nyquist (FTN) signaling and propose two novel low-complexity sequence estimation techniques based on concepts of…

信息论 · 计算机科学 2017-01-31 Ebrahim Bedeer , Mohamed Hossam Ahmed , Halim Yanikomeroglu

We propose a simple yet effective wireless network coding and decoding technique. It utilizes spatial diversity through cooperation between nodes which carry out distributed encoding operations dictated by generator matrices of linear block…

信息论 · 计算机科学 2016-11-17 Tugcan Aktas , Ali Ozgur Yilmaz , Emre Aktas

Genomic signal processing has been used successfully in bioinformatics to analyze biomolecular sequences and gain varied insights into DNA structure, gene organization, protein binding, sequence evolution, etc. But challenges remain in…

基因组学 · 定量生物学 2022-11-04 Saish Jaiswal , Shreya Nema , Hema A Murthy , Manikandan Narayanan

Score-based diffusion models represent a significant variant within the diffusion model family and have seen extensive application in the increasingly popular domain of generative tasks. Recent investigations have explored the denoising…

信号处理 · 电气工程与系统科学 2025-06-26 Hao Mo , Yaping Sun , Shumin Yao , Hao Chen , Zhiyong Chen , Xiaodong Xu , Nan Ma , Meixia Tao , Shuguang Cui

Recently, semantic communication (SC) has been regarded as one of the potential paradigms of 6G. Current SC frameworks require channel state information (CSI) to handle severe signal distortion induced by channel fading. Since the channel…

信息论 · 计算机科学 2023-12-29 Jin Mao , Ke Xiong , Ming Liu , Zhijin Qin , Wei Chen , Pingyi Fan , Khaled Ben Letaief

The forthcoming 6G and beyond wireless networks are anticipated to introduce new groundbreaking applications, such as Integrated Sensing and Communications (ISAC), potentially leveraging much wider bandwidths at higher frequencies and using…

信号处理 · 电气工程与系统科学 2024-08-20 Nithin Babu , Alva Kosasih , Christos Masouros , Emil Björnson

Automated vulnerability detection in critical-infrastructure software confronts a fundamental barrier: industrial software is routinely deployed as stripped, symbol-free binaries that deprive conventional Software Composition Analysis of…

软件工程 · 计算机科学 2026-05-11 Bowei Ning , Xuejun Zong , Lian Lian , Kan He , Yifei Sun , Yuxiang Lei , Plamen Vasilev

Semantic communications are expected to enable the more effective delivery of meaning rather than a precise transfer of symbols. In this paper, we propose an end-to-end deep neural network-based architecture for image transmission and…

信号处理 · 电气工程与系统科学 2026-04-29 Hanju Yoo , Taehun Jung , Linglong Dai , Songkuk Kim , Chan-Byoung Chae

Integrated sensing and communication (ISAC) systems have emerged as a promising solution to improve spectrum efficiency and enable functional convergence. However, ensuring secure information transmission while maintaining high-quality…

信号处理 · 电气工程与系统科学 2025-12-12 Yufei Wang , Qiang Li , Hongli Liu , Ying Zhang , Jingran Lin