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- W1969230147 abstract "Channel measurement and modeling is an important issue when designing ultra wideband (UWB) communication systems. A Precise model of the channel response is inevitable for designing an ultra wideband telecommunication system. In this article signal propagation in indoor environment and LOS condition is evaluated and the appropriate model of this scenario is presented. Parameters such as the power delay profile, mean excess delay, delay spread, “NP10dB” are analyzed and simulated. Based on analysis results, the proposed model is presented. This model is based on Two-cluster approach but its average power delay profile is described with power function and cluster time of arrival is modeled by the modified exponential distribution. Finally UWB channel parameters of proposed model, Saleh and Valenzuela (S-V) and Two-cluster models are compared. Measurement and simulation results show that considerable improvement for mean excess delay, delay spread and “NP10dB” of proposed model comparing with S-V and Two-cluster model, this means the channel is better described, which mean the channel is described more precisely." @default.
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- W1969230147 date "2010-01-01" @default.
- W1969230147 modified "2023-10-16" @default.
- W1969230147 title "UWB Channel Modeling Improvement in Indoor Line-of-Sight (LOS) Environments" @default.
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- W1969230147 doi "https://doi.org/10.4236/ijcns.2011.311118" @default.
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