Yang DaCheng's Mobile Propagation Environment with Channel Modeling Approaches

Yang DaCheng's research on mobile propagation environments provides detailed characterization of both large-scale fading channels (accounting for path loss and shadowing effects) and small-scale fading channels (addressing multipath propagation and Doppler shifts). The study employs multiple modeling approaches to better capture propagation characteristics, including statistical modeling techniques that use probability distributions to represent channel behavior, and geometric modeling methods that simulate wave propagation paths based on environmental geometry. From an implementation perspective, these models often involve MATLAB functions like rayleighchan() for small-scale fading and log-normal distributions for shadowing modeling. Through in-depth investigation of mobile propagation environments, this research enhances understanding of channel characteristics in wireless communication systems, providing valuable references and guidance for the advancement of wireless communication technologies. Key algorithm implementations may include path loss exponent calculations based on measurement data and Doppler spectrum simulations using Clarke's model.