Sensors, 2018 The problem of target localization in WSN (wireless sensor network) has received much attention in recent years. However, the performance of traditional localization algorithms will drastically degrade in the non-line of sight (NLOS) environment ...
Jingyu Hua +4 more
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Research Progress of Non-line-of-sight Underwater Wireless Optical Communication Technology
Guangtongxin yanjiu, 2023 Non-Line-of-Sight (NLOS) Underwater Wireless Optical Communication (UWOC) is mainly realized through the air-seawater interface reflection or the scattering of light by particles in seawater.
KONG Mei-wei +5 more
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Applied Sciences, 2023 For indoor sensor systems, it is essential to implement an extra supporting area notification part. To inform the real-time coordinates, the time difference of arrival (TDOA) algorithm can be introduced.
Ruixiang Kan +4 more
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Average power prediction in microcells [PDF]
, 1994 A propagation model to estimate the average received power in an urban microcell environment has been developed. This model can be used both in line of sight (LOS) and non line of sight (NLOS) conditions in any regular or irregular microcell structure ...
Fernández, M, Ruiz Boqué, Sílvia
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Time‐varying non‐line‐of‐sight (NLOS) satellite navigation channel modelling and simulation using multiple point‐scatterers [PDF]
IET Radar, Sonar & Navigation, 2022 Abstract Recently, there has been an increasing interest in modelling and simulation of time‐varying (TV) non‐line‐of‐sight (NLOS) channels for global navigation satellite systems (GNSS) as an assisted means of resolving the GNSS urban canyon problem.
Shun Zhou +3 more
openaire +2 more sources
Scatterer information based indoor NLOS multiple base station cooperative localization algorithm
Tongxin xuebao, 2021 In indoor environments, the localization accuracy of existing line of sight (LOS) solutions will deteriorate severely in non-line-of-sight (NLOS) environment.In order to solve this problem, an scatterer information based indoor NLOS multiple base ...
Liangbo XIE +6 more
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Target tracking with line-of-sight identification in sensor networks under unknown measurement noises [PDF]
, 2009 —Tracking a target is a fundamental and crucial problem in wireless sensor networks. It is well known that non-line-of-sight (NLOS) propagation will significantly degrade the tracking accuracy if its effects are ignored.
H. C. So, H. Q. Liu
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Accurate Empirical Path Loss Models with Route Classification for mmWave Communications
International Journal of Antennas and Propagation, 2022 This paper presents accurate empirical path loss models with route classification for the high band frequency of 5 G wireless. Propagation path routes are mainly classified into line of sight (LOS) and non-line-of-sight (NLOS).
Supachai Phaiboon, Pisit Phokharatkul
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HMM-Based tracking of moving terminals in dense multipath indoor environments [PDF]
, 2005 This paper deals with the problem of radio localization of moving terminals (MTs) for indoor applications with mixed line-of sight/non-line-of-sight (LOS/NLOS) conditions.
C. Morelli +3 more
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Indoor wireless channel modeling from 2.4 to 24 GHz using a combined E/H-Plane 2D ray tracing method [PDF]
, 2004 Future wireless systems are moving to high frequencies for additional bandwidth and frequency reuse. This makes it very important to have accurate and time-efficient models for system planning.
Lu, Dai, Rutledge, David
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