Channel Modeling is a technique used in telecommunications to simulate how signals travel through different environments. It helps engineers understand how factors like distance, obstacles, and interference affect signal quality. By creating mathematical models, they can predict how well a communication system will perform under various conditions. These models are essential for designing and optimizing systems such as cellular networks and Wi-Fi. They allow for better planning of network coverage and capacity, ensuring that users experience reliable connections. Accurate channel models lead to improved technology and enhanced user experiences in wireless communication.