Simulation Method for Time-Varying Non-Stationary ARMA Processes
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Resource Overview
A method for simulating time-varying non-stationary ARMA processes, which computes ARMA coefficients based on Doppler shift and time-varying parameters, enabling simulation of non-stationary multipath fading channels. Implementation involves dynamic coefficient calculation algorithms and signal generation techniques.
Detailed Documentation
The method for simulating time-varying non-stationary ARMA processes is highly valuable. By computing ARMA coefficients based on Doppler shift and time-varying parameters, we can more accurately simulate non-stationary multipath fading channels. This simulation approach typically involves implementing algorithms that dynamically adjust ARMA coefficients using Doppler frequency inputs and parameter evolution functions. The implementation may include functions for calculating time-dependent autoregressive and moving average components, followed by signal generation through difference equations. This simulation method helps researchers better understand and study channel characteristics, providing valuable references for the design and optimization of wireless communication systems. Therefore, this method holds significant application value in the field of wireless communications.
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