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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…

Signal Processing · Electrical Eng. & Systems 2023-05-26 Songyang Zhang , Tianhang Yu , Brian Choi , Feng Ouyang , Zhi Ding

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…

Information Theory · Computer Science 2024-03-26 Daniel Romero , Tien Ngoc Ha , Raju Shrestha , Massimo Franceschetti

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…

Information Theory · Computer Science 2018-12-19 Suzhi Bi , Jiangbin Lyu , Zhi Ding , Rui Zhang

Radio maps characterize quantities of interest in radio communication environments, such as the received signal strength and channel attenuation, at every point of a geographical region. Radio map estimation typically entails interpolative…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Daniel Romero , Seung-Jun Kim

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…

Signal Processing · Electrical Eng. & Systems 2021-09-10 Yves Teganya , Daniel Romero

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…

Networking and Internet Architecture · Computer Science 2024-07-11 Ali Shibli , Tahar Zanouda

Radio maps provide metrics such as the received signal strength at every location in a geographical region of interest. Extensive research has been carried out in this context, but it relies almost exclusively on synthetic-data experiments.…

Signal Processing · Electrical Eng. & Systems 2025-08-20 Raju Shrestha , Tien Ngoc Ha , Pham Q. Viet , Daniel Romero

The task of radio map estimation aims to generate a dense representation of electromagnetic spectrum quantities, such as the received signal strength at each grid point within a geographic region, based on measurements from a subset of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Zheng Fang , Kangjun Liu , Ke Chen , Qingyu Liu , Jianguo Zhang , Lingyang Song , Yaowei Wang

Radio maps reflect the spatial distribution of signal strength and are essential for applications like smart cities, IoT, and wireless network planning. However, reconstructing accurate radio maps from sparse measurements remains…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Chuyun Deng , Na Liu , Wei Xie , Lianming Xu , Li Wang

Radio maps are important enablers for many applications in wireless networks, ranging from network planning and optimization to fingerprint based localization. Sampling the complete map is prohibitively expensive in practice, so methods for…

Signal Processing · Electrical Eng. & Systems 2020-01-27 Daniel Schäufele , Renato L. G. Cavalcante , Slawomir Stanczak

Constructing a propagation map from a set of scattered measurements finds important applications in many areas, such as localization, spectrum monitoring and management. Classical interpolation-type methods have poor performance in regions…

Signal Processing · Electrical Eng. & Systems 2023-01-25 Hao Sun , Junting Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Taiqin Chen , Zikun Zhou , Zheng Fang , Wenzhen Zou , Kangjun Liu , Ke Chen , Yongbing Zhang , Yaowei Wang

Spectrum cartography aims at estimating power propagation patterns over a geographical region across multiple frequency bands (i.e., a radio map)---from limited samples taken sparsely over the region. Classic cartography methods are mostly…

Signal Processing · Electrical Eng. & Systems 2020-10-28 Guoyong Zhang , Xiao Fu , Jun Wang , Xi-Le Zhao , Mingyi Hong

Radio map estimation (RME) is the problem of inferring the value of a certain metric (e.g. signal power) across an area of interest given a collection of measurements. While most works tackle this problem from a purely non-Bayesian…

Signal Processing · Electrical Eng. & Systems 2025-08-11 Tien Ngoc Ha , Daniel Romero

This paper constructs a full dimensional (6D) radio map to predict the channel gain between any transmitter location and any receiver location based on received signal strength (RSS) measurements between low-altitude aerial nodes and ground…

Signal Processing · Electrical Eng. & Systems 2022-09-02 Wenjie Liu , Junting Chen

Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

The accuracy of indoor wireless localization systems can be substantially enhanced by map-awareness, i.e., by the knowledge of the map of the environment in which localization signals are acquired. In fact, this knowledge can be exploited…

Information Theory · Computer Science 2014-02-18 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Recent widespread applications for unmanned aerial vehicles (UAVs) -- from infrastructure inspection to urban logistics -- have prompted an urgent need for high-accuracy three-dimensional (3D) radio maps. However, existing methods designed…

Information Theory · Computer Science 2024-08-09 Xinwei Chen , Xiaofeng Zhong , Zijian Zhang , Linglong Dai , Shidong Zhou

A fundamental building block for supporting better utilization of radio spectrum involves predicting the impact that an emitter will have at different geographic locations. To this end, fixed sensors can be deployed to spatially sample the…

Computational Engineering, Finance, and Science · Computer Science 2016-11-14 Shweta Sagari , Larry Greenstein , Wade Trappe

This paper proposes a high-accuracy radio map construction method tailored for environments where location information is affected by bursty errors. Radio maps are an effective tool for visualizing wireless environments. Although extensive…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Koki Kanzaki , Koya Sato
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