Multipath-Assisted Ultra-Wideband Vehicle Localization in Underground Parking Environment Using Ray-Tracing [PDF]
SensorsIn complex underground parking scenarios, non-line-of-sight (NLOS) obstructions significantly impede positioning signals, presenting substantial challenges for accurate vehicle localization.
Shuo Hu +3 more
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Analisis Performansi Multi User Detection pada Kanal NLOS untuk Sistem NOMA-VLC
Jurnal Elkomika, 2021 ABSTRAK Non-orthogonal multiple access (NOMA), mulai diteliti untuk dapat digunakan sebagai teknik multiple access yang efektif pada jaringan 5G karena teknik ini dapat menghemat bandwidth modulasi.
BIMA SURYA PRATAMA +2 more
doaj +1 more source
Analisis Prediksi Path Loss Teknologi Seluler 5G Pada Sel Micro Urban Wilayah Kota Bandung
Jurnal Elkomika, 2021 ABSTRAK Implementasi teknologi seluler 5G di Indonesia perlu dilakukan kajian dalam beberapa aspek. Analisis nilai path loss pada sistem seluler merupakan pendekatan dalam aspek large scale fading untuk menghitung cakupan layanan.
DWI ARYANTA
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Application of communication systems via the ultraviolet channel in FANET networks [PDF]
MATEC Web of Conferences, 2020 The possibility of providing communication in difficult conditions on the basis of Flying Ad Hoc Networks (FANET) requires the use of non-electronic means of communication.
Vasilyev Gleb S. +3 more
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Anomaly Detection for Urban Vehicle GNSS Observation with a Hybrid Machine Learning System
Remote Sensing, 2020 In urban areas, the accuracy and reliability of global navigation satellite systems (GNSS) vehicle positioning decline due to substantial non-line-of-sight (NLOS) signals and multipath effects. Recently, positioning enhancement approaches with supervised
Yan Xia +6 more
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A Succinct Method for Non-Line-of-Sight Mitigation for Ultra-Wideband Indoor Positioning System
Sensors, 2022 Ultra-wideband (UWB) is a promising indoor position technology with centimetre-level positioning accuracy in line-of-sight (LOS) situations. However, walls and other obstacles are common in an indoor environment, which can introduce non-line-of-sight ...
Ang Liu +3 more
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Research on UWB Indoor Positioning Algorithm under the Influence of Human Occlusion and Spatial NLOS
Remote Sensing, 2022 Ultra-wideband (UWB) time-of-flight (TOF)-based ranging information in a non-line-of-sight (NLOS) environment can display significant forward errors, which directly affect positioning performance.
Hao Zhang +4 more
doaj +1 more source
Millimeter Wave Propagation Measurements and Characteristics for 5G System
Applied Sciences, 2020 In future 5G systems, the millimeter wave (mmWave) band will be used to support a large capacity for current mobile broadband. Therefore, the radio access technology (RAT) should be made available for 5G devices to help in distinct situations, for ...
Ahmed M. Al-Samman +6 more
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NLOS Multipath Classification of GNSS Signal Correlation Output Using Machine Learning
Sensors, 2021 This paper proposes a method for detecting non-line-of-sight (NLOS) multipath, which causes large positioning errors in a global navigation satellite system (GNSS). We use GNSS signal correlation output, which is the most primitive GNSS signal processing
Taro Suzuki, Yoshiharu Amano
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Deep Learning-Based LOS and NLOS Identification in Wireless Body Area Networks
Sensors, 2019 In this article, the usage of deep learning (DL) in ultra-wideband (UWB) Wireless Body Area Networks (WBANs) is presented. The developed approach, using channel impulse response, allows higher efficiency in identifying the direct visibility conditions ...
Krzysztof K. Cwalina +4 more
doaj +1 more source