UAV-Based Volumetric Measurements toward Radio Environment Map Construction and Analysis [PDF]
Sensors, 2022 Unmanned aerial vehicle (UAV)-empowered communications have gained significant attention in recent years due to the promise of agile coverage provision for a large number of various mobile nodes on the ground and in three-dimensional (3D) space ...
Antoni Ivanov +4 more
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Radio Environment Map for the Cognitive Radio Network Simulator [PDF]
International Journal of Electronics and Telecommunications, 2018 Military wireless tactical systems has faced the problem of limited spectrum resources. This is a reason why Cognitive Radio (CR) is one of the most popular topic studied by research institutes in the field of mobile telecommunications. CR technology is based on cognitive cycle, used for making decisions based on observation and orientation.
Piotr Bednarek +2 more
doaj +2 more sources
Application of Radio Environment Map Reconstruction Techniques to Platoon-based Cellular V2X Communications [PDF]
Sensors, 2020 Vehicle platoons involve groups of vehicles travelling together at a constant inter-vehicle distance, with different common benefits such as increasing road efficiency and fuel saving.
Sandra Roger +3 more
doaj +2 more sources
On the Construction of Radio Environment Maps for Cognitive Radio Networks [PDF]
2013 IEEE Wireless Communications and Networking Conference (WCNC), 2013 The Radio Environment Map (REM) provides an effective approach to Dynamic Spectrum Access (DSA) in Cognitive Radio Networks (CRNs). Previous results on REM construction show that there exists a tradeoff between the number of measurements (sensors) and ...
Feng, Zhiyong +4 more
core +2 more sources
A Radio Environment Map Updating Mechanism Based on an Attention Mechanism and Siamese Neural Networks [PDF]
Sensors, 2022 A radio environment map (REM) is an effective spectrum management tool. With the increase in the number of mobile devices, the wireless environment changes more and more frequently, bringing new challenges to REM updates.
Pan Zhen +3 more
doaj +2 more sources
Spectrum Awareness for Cognitive Radios Supported by Radio Environment Maps: Zonal Approach [PDF]
Applied Sciences, 2021 In this paper, we present the concept of the Radio Environment Map (REM) designed to ensure electromagnetic situational awareness of cognitive radio networks. The map construction techniques based on spatial statistics are presented. The results of field
Paweł Kaniewski +3 more
doaj +2 more sources
Spectrum environment map dataset based on ray-tracer under 3D dynamic built-up scenariosMendeley Data [PDF]
Data in BriefSpectrum Environment Maps (SEMs) can characterize the spatial-temporal distribution of spectrum strength or received signal strength (RSS) distribution in three-dimensional (3D) dynamic scenarios.
Xuan Wang +7 more
doaj +2 more sources
Reconstruction of Radio Environment Map Based on Multi-Source Domain Adaptive of Graph Neural Network for Regression [PDF]
SensorsThe graph neural network (GNN) has shown outstanding performance in processing unstructured data. However, the downstream task performance of GNN strongly depends on the accuracy of data graph structural features and, as a type of deep learning (DL ...
Xiaomin Wen +2 more
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MURM-A*: An Improved A* Within Comprehensive Path-Planning Scheme for Cellular-Connected Multi-UAVs Based on Radio Map and Complex Network [PDF]
SensorsFor the purpose of fulfilling the dual requirements of persistent cellular network connectivity and flight safety for cellular-connected Unmanned Aerial Vehicles (UAVs) operating in dense urban airspace, this paper presents an A*-oriented comprehensive ...
Yanming Chai +4 more
doaj +2 more sources
Measured spectrum environment map dataset with multi-radiation sources in urban scenariosMendeley Data [PDF]
Data in BriefThis paper presents a measured spectrum strength dataset in the urban scenario with multiple radiation sources, aiming to address the limitation of open datasets for spectrum environment map (SEM) in realistic multi-source dynamic scenarios.
Haotian Zou +7 more
doaj +2 more sources