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| Applications of Stochastic Bridge Methods for UWB Wireless Channel |
| Hu Luo-quan; Zhu Hong-bo |
| Lab on Wireless Communication and EMC, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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Abstract The stochastic bridge methods are employed in the current research for the modeling of UWB indoor multipath channel. Stochastic bridge processes are first introduced, and a physical fundament of UWB indoor multipath channel is analyzed. Then the distortion and the phase distribution of an UWB signal are investigated in details. A Brownian Bridge Model (BBM) for UWB indoor multipath channel is obtained by dividing the energy loss of an UWB signal into two parts: the propagation loss and the reflection loss, treating the UWB indoor multipaths as Brownian bridge process, and adopting two phase assumptions. Using the channel model to simulate a corridor environment of two glass doors with a metal grid inside, several characteristic parameters of UWB indoor multipath channel, such as amplitude responses, reflection index of every mulitipath, and power delay profiles (PDPs), are obtained, which are similar to the results from other experiments.
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Received: 18 January 2005
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2006, Vol. 28 
