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- W2351629139 abstract "A deterministic Ultra-Wide Band (UWB) channel simulation in a complex indoor environment was performed using GO/UTD (Geometrical Optics/Unified Theory of Diffraction) method.The time domain response and path loss of UWB channel were computed on the principle which is similar with VNA (Vector Network Analyzer).When image-based ray tracing method was used to compute the propagation paths,an algorithm of controlling the depth of image tree was introduced to improve the simulation performance.It limits the scale of image tree by predicting the potential minimum attenuation,which may be caused by a ray propagating from root node to child node,and comparing the predicted value with an expected maximal attenuation threshold when image tree is being constructed.Compared with simply using reflection or diffraction orders to control the scale of image tree,using this method can effectively reduce the computing time in the same accuracy condition.In order to enhance the representation of the simulation result,the visualization of path loss distribution was implemented by a 3D game platform." @default.
- W2351629139 created "2016-06-24" @default.
- W2351629139 creator A5081254155 @default.
- W2351629139 date "2010-01-01" @default.
- W2351629139 modified "2023-09-27" @default.
- W2351629139 title "UWB Channel Simulation Using Improved Ray-tracing Method and 3D Visualization Technique" @default.
- W2351629139 hasPublicationYear "2010" @default.
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