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Accurate communication performance prediction is crucial for wireless applications such as network deployment and resource management. Unlike conventional systems with a single transmit and receive antenna, throughput (Tput) estimation in…

Information Theory · Computer Science 2025-04-02 Fan-Hao Lin , Tzu-Hao Huang , Chao-Kai Wen , Trung Q. Duong

Modeling radio frequency (RF) signal propagation is essential for understanding the environment, as RF signals offer valuable insights beyond the capabilities of RGB cameras, which are limited by the visible-light spectrum, lens coverage,…

Machine Learning · Computer Science 2025-10-07 Kyoungjun Park , Yifan Yang , Changhan Ge , Lili Qiu , Shiqi Jiang

Acquiring channel knowledge is required by many applications. For instance, handover in cellular networks is mainly decided based on the knowledge of pathloss. In contrast to traditional statistical distance-determined models that might…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Huiting Rao , Junyuan Wang , Huiling Zhu , Cheng-Xiang Wang

With 5G deployment and the evolution toward 6G, mobile networks must make decisions in highly dynamic environments under strict latency, energy, and spectrum constraints. Achieving this goal, however, depends on prior knowledge of…

Information Theory · Computer Science 2026-01-19 Lei Li , Yanqing Xu , Ye Xue , Feng Yin , Chao Shen , Rui Zhang , Tsung-Hui Chang

This paper presents a novel physics-informed diffusion model for generating synthetic net load data, addressing the challenges of data scarcity and privacy concerns. The proposed framework embeds physical models within denoising networks,…

Machine Learning · Computer Science 2024-06-05 Shaorong Zhang , Yuanbin Cheng , Nanpeng Yu

In this paper we propose a highly efficient and very accurate deep learning method for estimating the propagation pathloss from a point $x$ (transmitter location) to any point $y$ on a planar domain. For applications such as user-cell site…

Signal Processing · Electrical Eng. & Systems 2020-12-23 Ron Levie , Çağkan Yapar , Gitta Kutyniok , Giuseppe Caire

A Machine Learning (ML) network based on transfer learning and transformer networks is applied to wave propagation models for complex indoor settings. This network is designed to predict signal propagation in environments with a variety of…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Ziheng Fu , Swagato Mukherjee , Michael T. Lanagan , Prasenjit Mitra , Tarun Chawla , Ram M. Narayanan

Radio frequency (RF) map is a promising technique for capturing the characteristics of multipath signal propagation, offering critical support for channel modeling, coverage analysis, and beamforming in wireless communication networks. This…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Lizhou Liu , Xiaohui Chen , Zihan Tang , Mengyao Ma , Wenyi Zhang

Recently, ray tracing has gained renewed interest with the advent of Reflective Intelligent Surfaces (RIS) technology, a key enabler of 6G wireless communications due to its capability of intelligent manipulation of electromagnetic waves.…

Information Theory · Computer Science 2024-11-07 Huiying Yang , Zihan Jin , Chenhao Wu , Rujing Xiong , Robert Caiming Qiu , Zenan Ling

Air quality prediction and modelling plays a pivotal role in public health and environment management, for individuals and authorities to make informed decisions. Although traditional data-driven models have shown promise in this domain,…

Machine Learning · Computer Science 2024-02-08 Kethmi Hirushini Hettige , Jiahao Ji , Shili Xiang , Cheng Long , Gao Cong , Jingyuan Wang

Radio frequency (RF) signal mapping, which is the process of analyzing and predicting the RF signal strength and distribution across specific areas, is crucial for cellular network planning and deployment. Traditional approaches to RF…

Signal Processing · Electrical Eng. & Systems 2024-01-08 Yiming Li , Zeyu Li , Zhihui Gao , Tingjun Chen

As communication networks evolve towards greater complexity (e.g., 6G and beyond), a deep understanding of the wireless environment becomes increasingly crucial. When explicit knowledge of the environment is unavailable, geometry-aware…

Systems and Control · Electrical Eng. & Systems 2025-10-27 Wangqian Chen , Junting Chen , Shuguang Cui

We present a dynamic resource allocation strategy for energy-efficient and Electromagnetic Field (EMF) exposure aware computation offloading at the wireless network edge. The goal is to maximize the overall system sum-rate of offloaded…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Mattia Merluzzi , Serge Bories , Emilio Calvanese Strinati

Diffractive deep neural network (D2NN), also referred to as reconfigurable intelligent metasurface based deep neural networks (Rb-DNNs) or stacked intelligent metasurfaces (SIMs) in the field of wireless communications, has emerged as a…

Signal Processing · Electrical Eng. & Systems 2025-06-04 Xiaokun Teng , Wankai Tang , Xiao Li , Shi Jin

The calculation of electromagnetic field distributions within structured media is central to the optimization and validation of photonic devices. We introduce WaveY-Net, a hybrid data- and physics-augmented convolutional neural network that…

Conventional methods for outdoor environment reconstruction rely predominantly on vision-based techniques like photogrammetry and LiDAR, facing limitations such as constrained coverage, susceptibility to environmental conditions, and high…

Networking and Internet Architecture · Computer Science 2024-04-13 Hrant Khachatrian , Rafayel Mkrtchyan , Theofanis P. Raptis

This paper proposes a new end-to-end trainable matching network based on receptive field, RF-Net, to compute sparse correspondence between images. Building end-to-end trainable matching framework is desirable and challenging. The very…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Xuelun Shen , Cheng Wang , Xin Li , Zenglei Yu , Jonathan Li , Chenglu Wen , Ming Cheng , Zijian He

Mobile network operators must provide a target quality of service within a target coverage area. Each generation of networks from the 2nd to the 5th has reached higher quality-of-service (QoS) targets and coverage area sizes. However, the…

Signal Processing · Electrical Eng. & Systems 2022-06-15 Dinh-Thuy Phan-Huy , Yohann Bénédic , Sebastien Herraiz Gonzalez , Philippe Ratajczak

While functional magnetic resonance imaging (fMRI) offers valuable insights into brain activity, it is limited by high operational costs and significant infrastructural demands. In contrast, electroencephalography (EEG) provides…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Kristofer Grover Roos , Atsushi Fukuda , Quan Huu Cap

Inspired by human driving focus, this research pioneers networks augmented with Focusing Sampling, Partial Field of View Evaluation, Enhanced FPN architecture and Directional IoU Loss - targeted innovations addressing obstacles to precise…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Liman Wang , Hanyang Zhong