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Speech super-resolution (SR) is the task that restores high-resolution speech from low-resolution input. Existing models employ simulated data and constrained experimental settings, which limit generalization to real-world SR. Predictive…

音频与语音处理 · 电气工程与系统科学 2024-01-26 Heming Wang , Eric W. Healy , DeLiang Wang

Channel and delay coefficient are two essential parameters for the characterization of a multipath propagation environment. It is crucial to generate realistic channel and delay coefficient in order to study the channel characteristics that…

信号处理 · 电气工程与系统科学 2024-05-08 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

Learning the site-specific distribution of the wireless channel within a particular environment of interest is essential to exploit the full potential of machine learning (ML) for wireless communications and radar applications. Generative…

信号处理 · 电气工程与系统科学 2025-08-12 Benedikt Böck , Andreas Oeldemann , Timo Mayer , Francesco Rossetto , Wolfgang Utschick

Orthogonal delay-Doppler division multiplexing (ODDM) is a promising modulation technique for reliable communications in high-mobility scenarios. However, the existing channel estimation frameworks for ODDM systems cannot achieve both high…

计量经济学 · 经济学 2026-02-10 Jiasong Han , Xuehan Wang , Jingbo Tan , Jintao Wang , Yu Zhang , Hai Lin , Jinhong Yuan

As data generation increasingly takes place on devices without a wired connection, machine learning (ML) related traffic will be ubiquitous in wireless networks. Many studies have shown that traditional wireless protocols are highly…

Channel modeling has always been the core part in communication system design and development, especially in 5G and 6G era. Traditional approaches like stochastic channel modeling and ray-tracing (RT) based channel modeling depend heavily…

信号处理 · 电气工程与系统科学 2022-09-12 Xiping Wang , Zhao Zhang , Danping He , Ke Guan , Dongliang Liu , Jianwu Dou

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Channel knowledge map (CKM) is a promising technique that enables environment-aware wireless networks by utilizing location-specific channel prior information to improve communication and sensing performance. A fundamental problem for CKM…

信号处理 · 电气工程与系统科学 2024-12-20 Shen Fu , Zijian Wu , Di Wu , Yong Zeng

Unmanned Aerial Vehicles (UAVs) are increasingly adopted in modern communication networks. However, challenges in decision-making and digital modeling continue to impede their rapid advancement. Reinforcement Learning (RL) algorithms face…

机器学习 · 计算机科学 2025-01-13 Yousef Emami , Hao Zhou , Luis Almeida , Kai Li

As an entirely-new paradigm to design the communication systems, deep learning (DL), an approach that the machine learns the desired wireless function, has received much attention recently. In order to fully realize the benefit of DL-aided…

信息论 · 计算机科学 2024-05-14 Jinhong Kim , Yongjun Ahn , Byonghyo Shim

Data-driven machine learning (ML) is promoted as one potential technology to be used in next-generations wireless systems. This led to a large body of research work that applies ML techniques to solve problems in different layers of the…

机器学习 · 计算机科学 2023-03-15 Mohamed Akrout , Amal Feriani , Faouzi Bellili , Amine Mezghani , Ekram Hossain

Received waveforms contain rich information for both range information and environment semantics. However, its full potential is hard to exploit under multipath and non-line-of-sight conditions. This paper proposes a deep generative model…

信号处理 · 电气工程与系统科学 2023-05-30 Yuxiao Li , Santiago Mazuelas , Yuan Shen

Building on the remarkable achievements in generative sampling of natural images, we propose an innovative challenge, potentially overly ambitious, which involves generating samples of entire multivariate time series that resemble images.…

The medial temporal lobe (MTL), a brain region containing the hippocampus and nearby areas, is hypothesized to be an experience-construction system in mammals, supporting both recall and imagination of temporally-extended sequences of…

机器学习 · 计算机科学 2022-09-19 Arthur Juliani , Margaret Sereno

Neural translation models have proven to be effective in capturing sufficient information from a source sentence and generating a high-quality target sentence. However, it is not easy to get the best effect for bidirectional translation,…

计算与语言 · 计算机科学 2020-11-25 Parnia Bahar , Christopher Brix , Hermann Ney

Adaptive causal representation learning from observational data is presented, integrated with an efficient sample splitting technique within the semiparametric estimating equation framework. The support points sample splitting (SPSS), a…

机器学习 · 统计学 2024-11-25 Lynda Aouar , Han Yu

Generating music is an interesting and challenging problem in the field of machine learning. Mimicking human creativity has been popular in recent years, especially in the field of computer vision and image processing. With the advent of…

声音 · 计算机科学 2020-11-03 Ashish Ranjan , Varun Nagesh Jolly Behera , Motahar Reza

Learning probabilistic models that can estimate the density of a given set of samples, and generate samples from that density, is one of the fundamental challenges in unsupervised machine learning. We introduce a new generative model based…

机器学习 · 计算机科学 2020-06-11 Siavash A. Bigdeli , Geng Lin , Tiziano Portenier , L. Andrea Dunbar , Matthias Zwicker

Diffusion models (DMs) have become the dominant paradigm of generative modeling in a variety of domains by learning stochastic processes from noise to data. Recently, diffusion denoising bridge models (DDBMs), a new formulation of…

机器学习 · 计算机科学 2024-11-01 Guande He , Kaiwen Zheng , Jianfei Chen , Fan Bao , Jun Zhu

In order to characterize the channel capacity of a wavelength channel in a wavelength-division multiplexed (WDM) system, statistical models are needed for the transmitted signals on the other wavelengths. For example, one could assume that…

信息论 · 计算机科学 2024-01-25 Erik Agrell , Magnus Karlsson