Results 11 to 20 of about 485 (118)
Construction and Distribution Method of REM Based on Edge Intelligence [PDF]
Jisuanji kexue, 2022 Radio environment map(REM) can assist cognitive users to accurately perceive and utilize spectrum holes,achieve interference coordination between network nodes,and improve the spectrum efficiency and robustness of wireless networks.However,when cognitive
LIU Xing-guang, ZHOU Li, LIU Yan, ZHANG Xiao-ying, TAN Xiang, WEI Ji-bo
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IEEE Access, 2023 Radio environment map (REM) provides detailed information on the coverage of the primary terminals of wireless communication systems. The spatial estimation of the channel condition is directly related to the radio environment.
Ying Gao, Takeo Fujii
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Spectrum Awareness for Cognitive Radios Supported by Radio Environment Maps: Zonal Approach
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
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EURASIP Journal on Wireless Communications and Networking, 2020 In this paper, we present the dependency between density of a sensor network and map quality in the radio environment map (REM) concept. The architecture of REM supporting military communications systems is described.
Marek Suchański +4 more
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A REM Update Methodology Based on Clustering and Random Forest
Applied Sciences, 2023 In this paper, we propose a radio environment map (REM) update methodology based on clustering and machine learning for indoor coverage. We use real measurements collected by the TurtleBot3 mobile robot using the received signal strength indicator (RSSI)
Mario R. Camana +3 more
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Reinforcement Learning for Energy-Efficient 5G Massive MIMO: Intelligent Antenna Switching
IEEE Access, 2021 To provide users with high throughputs, the fifth generation (5G) and beyond networks are expected to utilize the Massive Multiple-Input Multiple-Output technology (MMIMO), i.e., large antenna arrays. However, additional antennas require the installation
Marcin Hoffmann, Pawel Kryszkiewicz
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Applied Sciences, 2023 Despite the technological progress achieved by our society, natural or man-made disasters continue to pose a challenge and put to the test the organization and preparedness of government apparatuses.
Athanasios Douklias +3 more
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IEEE Access, 2020 Radio environment map (REM) has emerged as a crucial technology to improve the robustness of intelligent transportation systems (ITS) by enhancing network planning and spectrum resource utilization.
Yubing Deng +6 more
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IEEE Access, 2023 In mobile communications network planning (and designing any radio system), coverage prediction helps network operators optimize cellular networks to improve customer experience.
Carla E. Garcia, Insoo Koo
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Research on the construction of radio environment map based on revised spatial interpolation
Dianzi Jishu Yingyong, 2018 Radio Environment Map(REM) provides accurate or comprehensive information support to dynamic spectrum access of cognitive radio networks. Practically, the sample size always fails to reach the application requirements due to the limitation of ...
Zi Ran +4 more
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