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Radio propagation modeling is essential in telecommunication research, as radio channels result from complex interactions with environmental objects. Recently, Machine Learning has been attracting attention as a potential alternative to…

Radio map describes network coverage and is a practically important tool for network planning in modern wireless systems. Generally, radio strength measurements are collected to construct fine-resolution radio maps for analysis. However,…

信号处理 · 电气工程与系统科学 2022-09-13 Songyang Zhang , Tianhang Yu , Jonathan Tivald , Brian Choi , Feng Ouyang , Zhi Ding

Radio maps provide metrics such as power spectral density for every location in a geographic area and find numerous applications such as UAV communications, interference control, spectrum management, resource allocation, and network…

信号处理 · 电气工程与系统科学 2021-09-10 Yves Teganya , Daniel Romero

Radio map estimation from sparse measurements is fundamental to wireless network planning, optimization, and localized map updating. Most recent learning-based approaches formulate the problem as dense map completion over a predefined grid,…

信号处理 · 电气工程与系统科学 2026-04-21 Ang Li , Chengyu Liu , Yue Wang

Learning-based radio map estimation (RME) plays a critical role in UAV-assisted wireless sensing, enabling tasks such as coverage prediction and network optimization. Most current methods assume an independently and identically distributed…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Feng Qiu , Zheng Fang , Shuhang Zhang , Kangjun Liu , Longkun Zou , Jing Liu , Ke Chen

Radio maps are important for environment-aware wireless communication, network planning, and radio resource optimization. However, dense radio map construction remains challenging when only a limited number of measurements are available,…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Zhihan Zeng , Ning Wei , Muhammad Baqer Mollah , Kaihe Wang , Phee Lep Yeoh , Fei Xu , Yue Xiu , Zhongpei Zhang

In this paper, we propose a novel physics-informed deep learning architecture for predicting radio maps over lunar terrain. Our approach integrates a physics-based lunar terrain generator, which produces realistic topography informed by…

信号处理 · 电气工程与系统科学 2025-09-19 Paolo Torrado , Anders Pearson , Jason Klein , Alexander Moscibroda , Joshua Smith

Radio Map Prediction (RMP), aiming at estimating coverage of radio wave, has been widely recognized as an enabling technology for improving radio spectrum efficiency. However, fast and reliable radio map prediction can be very challenging…

信号处理 · 电气工程与系统科学 2021-05-18 Yu Tian , Shuai Yuan , Weisheng Chen , Naijin Liu

We present a continual learning approach for generative adversarial networks (GANs), by designing and leveraging parameter-efficient feature map transformations. Our approach is based on learning a set of global and task-specific…

机器学习 · 计算机科学 2021-08-02 Sakshi Varshney , Vinay Kumar Verma , Srijith P K , Lawrence Carin , Piyush Rai

In this paper, we consider a radio resource management (RRM) problem in the dynamic wireless networks, comprising multiple communication links that share the same spectrum resource. To achieve high network throughput while ensuring fairness…

信号处理 · 电气工程与系统科学 2024-08-30 Kai Huang , Le Liang , Xinping Yi , Hao Ye , Shi Jin , Geoffrey Ye Li

Radio map is an efficient demonstration for visually displaying the wireless signal coverage within a certain region. It has been considered to be increasingly helpful for the future sixth generation (6G) of wireless networks, as wireless…

信号处理 · 电气工程与系统科学 2024-08-29 Shuhang Zhang , Shuai Jiang , Wanjie Lin , Zheng Fang , Kangjun Liu , Hongliang Zhang , Ke Chen

Radio channel modeling is one of the most fundamental aspects in the process of designing, optimizing, and simulating wireless communication networks. In this field, long-established approaches such as analytical channel models and ray…

网络与互联网体系结构 · 计算机科学 2021-12-16 Benjamin Sliwa , Melina Geis , Caner Bektas , Melisa Lopéz , Preben Mogensen , Christian Wietfeld

Radio maps enrich radio propagation and spectrum occupancy information, which provides fundamental support for the operation and optimization of wireless communication systems. Traditional radio maps are mainly achieved by extensive manual…

信号处理 · 电气工程与系统科学 2025-02-10 Yao Wang , Xin Wu , Lianming Xu , Na Liu , Li Wang

In Spectrum cartography (SC), the generation of exposure maps for radio frequency electromagnetic fields (RF-EMF) spans dimensions of frequency, space, and time, which relies on a sparse collection of sensor data, posing a challenging…

机器学习 · 计算机科学 2025-04-08 Mohammed Mallik , Davy P. Gaillot , Laurent Clavier

Ray tracing has become a standard for accurate radio propagation modeling, but suffers from exponential computational complexity, as the number of candidate paths scales with the number of objects raised to the interaction order. This…

This paper proposes exploiting the spatial correlation of wireless channel statistics beyond the conventional received signal strength maps by constructing statistical radio maps to predict any relevant channel statistics to assist…

信号处理 · 电气工程与系统科学 2022-08-17 Tobias Kallehauge , Pablo Ramìrez-Espinosa , Anders E. Kalør , Christophe Biscio , Petar Popovski

Channel-gain maps provide the channel gain between any two locations in a geographical region. They find numerous applications, from resource allocation and interference control to path planning for autonomous vehicles. Channel-gain map…

信号处理 · 电气工程与系统科学 2026-05-12 Prasenjit Dhara , Daniel Romero

Ray tracing is widely employed to model the propagation of radio-frequency (RF) signal in complex environment. The modelling performance greatly depends on how accurately the target scene can be depicted, including the scene geometry and…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Haifeng Jia , Xinyi Chen , Yichen Wei , Yifei Sun , Yibo Pi

We study real-time sampling and estimation of autoregressive Markovian sources in decentralized and dynamic multi-hop networks that share similar structures. Nodes cache neighboring samples and communicate over wireless collision channels.…

信号处理 · 电气工程与系统科学 2026-01-21 Xingran Chen , Navid NaderiAlizadeh , Alejandro Ribeiro , Shirin Saeedi Bidokhti

Sensing is an integral part of 6G and beyond systems, providing exceptional environmental perception along with communication. Radio frequency (RF)-based sensing often relies on simplified geometric assumptions (e.g., point scatterers or…

信号处理 · 电气工程与系统科学 2026-05-19 Xuhong Li , Erik Leitinger , Fredrik Tufvesson , Florian Meyer