Complex environmental obstacles can cause wireless signals to reflect, refract, and scatter during propagation, resulting in multiple propagation paths. signals from these different paths arrive at the receiving end with different times and intensities, leading to signal distortion and interference, and thus degrading the signal enhancement quality Therefore, a signal enhancement method for high-speed mobile communication networks based on Kalman filtering is proposed. By introducing the Kalman filtering algorithm, the method achieves efficient of high-speed mobile communication network signals, effectively suppresses noise interference, and improves signal stability. The method accurately identifies signal characteristics through initial signal rate measurement and extraction technology, providing important basis for subsequent enhancement processing. A multi-level enhancement mechanism for high-speed mobile communication network signals is set up, and the network parameters are adjusted according to the signal characteristics to achieve signal enhancement. Comparative experiments show that this method can effectively improve the signal amplitude, providing a solution for intelligent processing of-speed mobile communication network signals and network performance optimization.