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Radio maps are emerging as a popular means to endow next-generation wireless communications with situational awareness. In particular, radio maps are expected to play a central role in unmanned aerial vehicle (UAV) communications since they…

Signal Processing · Electrical Eng. & Systems 2020-05-07 Daniel Romero , Raju Shrestha , Yves Teganya , Sundeep Prabhakar Chepuri

Received signal strength based radio tomographic imaging is a popular device-free indoor localization method which reconstructs the spatial loss field of the environment using measurements from a dense wireless network. Existing methods…

Emerging Technologies · Computer Science 2016-04-12 Hüseyin Yiğitler , Riku Jäntti , Ossi Kaltiokallio , Neal Patwari

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…

Signal Processing · Electrical Eng. & Systems 2022-12-27 Songyang Zhang , Achintha Wijesinghe , Zhi Ding

Several studies have explored deep learning algorithms to predict large-scale signal fading, or path loss, in urban communication networks. The goal is to replace costly measurement campaigns, inaccurate statistical models, or…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Fabian Jaensch , Giuseppe Caire , Begüm Demir

A radiomap, representing the spatial distribution of wireless signal strength within a specific region, is fundamentally determined by the local propagation channel and finds extensive applications in network planning and optimization. The…

Information Theory · Computer Science 2026-05-05 Wenli Li , Bin Wang , Guangxu Zhu , Haiyan Fan , Yi Zhang

Spectrum maps, which provide RF spectrum metrics such as power spectral density for every location in a geographic area, find numerous applications in wireless communications such as interference control, spectrum management, resource…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Yves Teganya , Daniel Romero

To characterize radio frequency (RF) signal power distribution in wireless communication systems, the radiomap is a useful tool for resource allocation and network management. Usually, a dense radiomap is reconstructed from sparse…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Yueling Zhou , Achintha Wijesinghe , Yibo Ma , Songyang Zhang , Zhi Ding

With the emergence of wireless applications in three-dimensional environments, such as the low-altitude airspace and 3D heterogeneous networks, radio map estimation is increasingly required to characterize signal propagation across both…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Zheng Fang , Junjie Liu , Kangjun Liu , Jianguo Zhang , Yaowei Wang , Ke Chen

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…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Xuhong Li , Erik Leitinger , Fredrik Tufvesson , Florian Meyer

In this paper, we address the problem of Received Signal Strength map reconstruction based on location-dependent radio measurements and utilizing side knowledge about the local region; for example, city plan, terrain height, gateway…

Signal Processing · Electrical Eng. & Systems 2023-06-09 Alkesandra Malkova , Massih-Reza Amini , Benoit Denis , Christophe Villien

Assessing wireless coverage is a fundamental task for public network operators and private deployments, whose goal is to guarantee quality of service across the network while minimizing material waste and energy consumption. These maps are…

Networking and Internet Architecture · Computer Science 2025-02-26 Mattia Merluzzi , Giuseppe Di Poce , Paolo Di Lorenzo

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…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Tobias Kallehauge , Pablo Ramìrez-Espinosa , Anders E. Kalør , Christophe Biscio , Petar Popovski

This letter studies an unmanned aerial vehicle-enabled wireless power transfer system within a radio-map-based robust positioning design.

Signal Processing · Electrical Eng. & Systems 2019-05-30 Xiaopeng Mo , Yuwei Huang , Jie Xu

In this paper, the field measurements of signal strength taken at the frequency of 2432 MHz in indoor & outdoor environments are presented and analyzed. The received signal levels from the base station were monitored manually. Total…

Networking and Internet Architecture · Computer Science 2013-09-06 Puneet Kumar Mongia , B. J. Singh

Over the last years, several works have explored the application of deep learning algorithms to determine the large-scale signal fading (also referred to as ``path loss'') between transmitter and receiver pairs in urban communication…

Networking and Internet Architecture · Computer Science 2024-10-28 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Traditional radio map estimation (RME) techniques fail to capture multi-dimensional and dynamic characteristics of complex spectrum environments. Recent data-driven methods achieve accurate RME in spatial domain, but ignore physical prior…

Signal Processing · Electrical Eng. & Systems 2026-02-27 Dong Yang , Yue Wang , Songyang Zhang , Yingshu Li , Zhipeng Cai , Zhi Tian

With the rapid deployments of 5G and 6G networks, accurate modeling of urban radio propagation has become critical for system design and network planning. However, conventional statistical or empirical models fail to fully capture the…

Signal Processing · Electrical Eng. & Systems 2026-04-23 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Xiaoying Zhang , Bo Ai

Precise aerial radio environment characterization is vital for low-altitude planning. However, existing datasets and estimation methods lack the high-resolution granularity required for complex aerial spaces. Additionally, current schemes…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Shijian Gao , Jiahui Liang , Yifeng Yuan , Wenlihan Lu , Guobin Shen , Liuqing Yang

Radio maps (RMs) provide a spatially continuous description of wireless propagation, enabling cross-layer optimization and unifying communication and sensing for integrated sensing and communications (ISAC). However, constructing…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Qiming Zhang , Xiucheng Wang , Nan Cheng , Zhisheng Yin , Xiang Li

Radio maps (RMs) are essential for environment-aware communication and sensing, providing location-specific wireless channel information. Existing RM construction methods often rely on precise environmental data and base station (BS)…

Artificial Intelligence · Computer Science 2025-05-22 Xiucheng Wang , Zhongsheng Fang , Nan Cheng , Ruijin Sun , Zan Li , Xuemin , Shen