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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

This letter presents a feature-guided adversarial framework, namely ComGAN, which is designed to reconstruct an incomplete fingerprint database by inferring missing received signal strength (RSS) values at unmeasured reference points (RPs).…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Jiaming Zhang , Jiajun He , Tianyu Lu , Jie Zhang , Okan Yurduseven

Radio map (RM) reconstruction is essential for environment-aware wireless networks, but practical measurements are often collected along mobility trajectories rather than randomly scattered over the target region. Such trajectory-sampled…

Signal Processing · Electrical Eng. & Systems 2026-05-08 Jiawen Zhang , Zhiyuan Jiang , Sheng Zhou , Zhisheng Niu

A method for statistical parametric speech synthesis incorporating generative adversarial networks (GANs) is proposed. Although powerful deep neural networks (DNNs) techniques can be applied to artificially synthesize speech waveform, the…

Sound · Computer Science 2017-09-26 Yuki Saito , Shinnosuke Takamichi , Hiroshi Saruwatari

In order to improve offline map matching accuracy of low-sampling-rate GPS, a map matching algorithm based on conditional random fields (CRF) and route preference mining is proposed. In this algorithm, road offset distance and the…

Networking and Internet Architecture · Computer Science 2015-10-07 Xu Ming , Du Yi-man , Wu Jian-ping , Zhou Yang

Communication-aware robot planning requires accurate predictions of wireless network performance. Current approaches rely on channel-level metrics such as received signal strength and signal-to-noise ratio, assuming these translate reliably…

Networking and Internet Architecture · Computer Science 2026-03-11 Nils Jörgensen

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

Channel knowledge map (CKM) has emerged as a pivotal technology for environment-aware wireless communications and sensing, which provides a priori location-specific channel knowledge to facilitate network optimization. Efficient CKM…

Signal Processing · Electrical Eng. & Systems 2025-11-10 Zixiang Ren , Juncong Zhou , Jie Xu , Ling Qiu , Yong Zeng , Han Hu , Juyong Zhang , Rui Zhang

Frequency modulated continuous wave (FMCW) radar is widely used in autonomous driving and industrial inspection due to its high-resolution target location and velocity estimation capability. However, the plethora of connected devices in…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Luoyan Zhu , Sergiy A. Vorobyov , Jie Wang , Yinsheng Liu , Zhangdui Zhong

Channel estimation is a challenging task, especially in a massive multiple-input multiple-output (MIMO) system with one-bit analog-to-digital converters (ADC). Traditional deep learning (DL) methods, that learn the mapping from inputs to…

Signal Processing · Electrical Eng. & Systems 2021-06-04 Yudi Dong , Huaxia Wang , Yu-Dong Yao

Map-based methods for autonomous racing estimate the vehicle's location, which is used to follow a high-level plan. While map-based optimisation methods demonstrate high-performance results, they are limited by requiring a map of the…

Robotics · Computer Science 2024-02-01 Benjamin David Evans , Hendrik Willem Jordaan , Herman Arnold Engelbrecht

Deep learning has become a standard approach for the modeling of audio effects, yet strictly black-box modeling remains problematic for time-varying systems. Unlike time-invariant effects, training models on devices with internal modulation…

Sound · Computer Science 2025-12-18 Yann Bourdin , Pierrick Legrand , Fanny Roche

A machine learning method for prediction of Raman gain and noise spectra is presented: it guarantees high-accuracy (RMSE < 0.4 dB) and low computational complexity making it suitable for real-time implementation in future optical networks…

Signal Processing · Electrical Eng. & Systems 2019-05-03 Ann Margareth Rosa Brusin , Vittorio Curri , Darko Zibar , Andrea Carena

There are two main algorithmic approaches to sparse signal recovery: geometric and combinatorial. The geometric approach starts with a geometric constraint on the measurement matrix and then uses linear programming to decode information…

Discrete Mathematics · Computer Science 2008-04-30 R. Berinde , A. C. Gilbert , P. Indyk , H. Karloff , M. J. Strauss

In this paper, we introduce Random Path Generative Adversarial Network (RPGAN) -- an alternative design of GANs that can serve as a tool for generative model analysis. While the latent space of a typical GAN consists of input vectors,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Andrey Voynov , Artem Babenko

Long-range time series forecasting is usually based on one of two existing forecasting strategies: Direct Forecasting and Iterative Forecasting, where the former provides low bias, high variance forecasts and the later leads to low…

Machine Learning · Computer Science 2022-08-08 Shiyu Liu , Rohan Ghosh , Mehul Motani

Deep learning approaches heavily rely on high-quality human supervision which is nonetheless expensive, time-consuming, and error-prone, especially for image segmentation task. In this paper, we propose a method to automatically synthesize…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Yu Yang , Hakan Bilen , Qiran Zou , Wing Yin Cheung , Xiangyang Ji

We consider the problem of high-dimensional channel estimation in fast time-varying millimeter-wave MIMO systems with a hybrid architecture. By exploiting the low-rank and sparsity properties of the channel matrix, we propose a two-phase…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Tianyu Jiang , Yan Yang , Hongjin Liu , Runyu Han , Bo Ai , Mohsen Guizani

Audio super-resolution is a challenging task of recovering the missing high-resolution features from a low-resolution signal. To address this, generative adversarial networks (GAN) have been used to achieve promising results by training the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-12 Shichao Hu , Bin Zhang , Beici Liang , Ethan Zhao , Simon Lui

Radio surveys are widely used to study active galactic nuclei. Radio interferometric observations typically trade-off surface brightness sensitivity for angular resolution. Hence, observations using a wide range of baseline lengths are…

Astrophysics of Galaxies · Physics 2019-06-11 Nina Glaser , O Ivy Wong , Kevin Schawinski , Ce Zhang