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- W4285169303 abstract "In order to evaluate the multi-frequency transmission performance of satellite navigation in urban canyon environment, the channel model needs to take into account the difference of multi-frequency transmission channels. Besides, the deterministic channel model lacks the precise details of electromagnetic environment. To assess the multi-frequency propagation characteristics of the Beidou navigation system, this study proposes a hybrid channel model that combines the propagation graph model with ray-tracing technology. Based on the virtual simulation of urban canyon environment, the characteristics of pseudo-range error of multi-frequency satellite navigation system are initially revealed. The simulation results show that the model can consistently represent the dense multipath component and its impact on the power delay profile and channel transfer function. Furthermore, as compared to the traditional satellite navigation channel model, the modelling method of ray-tracing embedded propagation graph described in this study improves the simulation details of multi-frequency propagation characteristics." @default.
- W4285169303 created "2022-07-14" @default.
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- W4285169303 date "2022-01-01" @default.
- W4285169303 modified "2023-10-16" @default.
- W4285169303 title "Hybrid Channel Modeling and Multi-frequency Propagation Characterization for GNSS in Urban Canyons" @default.
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- W4285169303 doi "https://doi.org/10.1007/978-981-19-2580-1_46" @default.
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