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Outdoor radio map estimation is an important tool for network planning and resource management in modern Internet of Things (IoT) and cellular systems. Radio map describes spatial signal strength distribution and provides network coverage…

信号处理 · 电气工程与系统科学 2022-12-27 Songyang Zhang , Achintha Wijesinghe , Zhi Ding

In the 6G era, real-time radio resource monitoring and management are urged to support diverse wireless-empowered applications. This calls for fast and accurate estimation on the distribution of the radio resources, which is usually…

信息论 · 计算机科学 2024-02-06 Zezhong Zhang , Guangxu Zhu , Junting Chen , Shuguang Cui

The increasing demand for high-speed and reliable wireless networks has driven advancements in technologies such as millimeter-wave and 5G radios, which requires efficient planning and timely deployment of wireless access points. A critical…

网络与互联网体系结构 · 计算机科学 2025-01-14 Xuanhao Luo , Zhizhen Li , Zhiyuan Peng , Mingzhe Chen , Yuchen Liu

In this paper, we present a Generative Adversarial Network (GAN) machine learning model to interpolate irregularly distributed measurements across the spatial domain to construct a smooth radio frequency map (RFMap) and then perform…

机器学习 · 计算机科学 2021-11-25 Kuldeep S. Gill , Son Nguyen , Myo M. Thein , Alexander M. Wyglinski

Radio Environment Maps (REMs) are crucial for numerous applications in Telecom. The construction of accurate Radio Environment Maps (REMs) has become an important and challenging topic in recent decades. In this paper, we present a method…

网络与互联网体系结构 · 计算机科学 2024-07-11 Ali Shibli , Tahar Zanouda

Enriching information of spectrum coverage, radiomap plays an important role in many wireless communication applications, such as resource allocation and network optimization. To enable real-time, distributed spectrum management,…

信号处理 · 电气工程与系统科学 2026-01-21 Yueling Zhou , Achintha Wijesinghe , Yue Wang , Songyang Zhang , Zhipeng Cai

Radio-frequency coverage maps (RF maps) are extensively utilized in wireless networks for capacity planning, placement of access points and base stations, localization, and coverage estimation. Conducting site surveys to obtain RF maps is…

机器学习 · 计算机科学 2023-08-22 Sopan Sarkar , Mohammad Hossein Manshaei , Marwan Krunz

Radio maps provide radio frequency metrics, such as the received signal strength, at every location of a geographic area. These maps, which are estimated using a set of measurements collected at multiple positions, find a wide range of…

信息论 · 计算机科学 2024-03-26 Daniel Romero , Tien Ngoc Ha , Raju Shrestha , Massimo Franceschetti

Providing rich and useful information regarding spectrum activities and propagation channels, radiomaps characterize the detailed distribution of power spectral density (PSD) and are important tools for network planning in modern wireless…

信号处理 · 电气工程与系统科学 2023-05-26 Songyang Zhang , Tianhang Yu , Brian Choi , Feng Ouyang , Zhi Ding

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…

信号处理 · 电气工程与系统科学 2026-03-31 Lizhou Liu , Xiaohui Chen , Zihan Tang , Mengyao Ma , Wenyi Zhang

The radio map, serving as a visual representation of electromagnetic spatial characteristics, plays a pivotal role in assessment of wireless communication networks and radio monitoring coverage. Addressing the issue of low accuracy existing…

机器学习 · 计算机科学 2024-01-18 Chen Qi , Yang Jingjing , Huang Ming , Zhou Qiang

To gain panoramic awareness of spectrum coverage in complex wireless environments, data-driven learning approaches have recently been introduced for radio map estimation (RME). While existing deep learning based methods conduct RME given…

机器学习 · 计算机科学 2025-02-04 Dong Yang , Yue Wang , Songyang Zhang , Yingshu Li , Zhipeng Cai

High-speed railway tunnel communication systems require reliable radio wave propagation prediction to ensure operational safety. However, conventional simulation methods face challenges of high computational complexity and inability to…

信号处理 · 电气工程与系统科学 2025-10-06 Yang Zhou , Haochang Wu , Yunxi Mu , Hao Qin , Xinyue Zhang , Xingqi Zhang

In wireless networks, radio-frequency (RF) maps are critical for tasks such as capacity planning, coverage estimation, and localization. Traditional approaches for obtaining RF maps, including site surveys and ray-tracing simulations, are…

网络与互联网体系结构 · 计算机科学 2026-03-17 Sopan Sarkar , Marwan Krunz

As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it is challenging for conventional GANs to synthesize raw…

信号处理 · 电气工程与系统科学 2023-06-27 Weidong Wang , Jiancheng An , Hongshu Liao , Lu Gan , Chau Yuen

Radio map construction based on extensive measurements is accurate but expensive and time-consuming, while environment-aware radio map estimation reduces the costs at the expense of low accuracy. Considering accuracy and costs, a…

信号处理 · 电气工程与系统科学 2024-10-25 Yifan Wang , Shu Sun , Na Liu , Lianming Xu , Li Wang

Modeling radio propagation is essential for wireless network design and performance optimization. Traditional methods rely on physics models of radio propagation, which can be inaccurate or inflexible. In this work, we propose using graph…

机器学习 · 计算机科学 2025-01-14 Adrien Bufort , Laurent Lebocq , Stefan Cathabard

Radio map in general refers to the geographical signal power spectrum density, formed by the superposition of concurrent wireless transmissions, as a function of location, frequency and time. It contains rich and useful information…

信息论 · 计算机科学 2018-12-19 Suzhi Bi , Jiangbin Lyu , Zhi Ding , Rui Zhang

Radio maps are essential for efficient radio resource management in future 6G and low-altitude networks. While deep learning (DL) techniques have emerged as an efficient alternative to conventional ray-tracing for radio map estimation…

机器学习 · 计算机科学 2026-02-24 Junshen Chen , Angzi Xu , Zezhong Zhang , Shiyao Zhang , Junting Chen , Shuguang Cui

The radio map represents the spatial distribution of spectrum resources within a region, supporting efficient resource allocation and interference mitigation. However, it is difficult to construct a dense radio map as a limited number of…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Taiqin Chen , Zikun Zhou , Zheng Fang , Wenzhen Zou , Kangjun Liu , Ke Chen , Yongbing Zhang , Yaowei Wang
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