Description: Time Division Duplex (TDD) is a communication method that allows data transmission and reception over the same frequency channel by alternating between sending and receiving. This approach is particularly useful in environments where data demand can vary significantly between transmission and reception directions. Unlike Frequency Division Duplex (FDD), which uses separate channels for each direction, TDD optimizes spectrum usage by allowing both types of communication to share the same channel, which can result in greater efficiency and flexibility. In the context of wireless communication systems, TDD has become essential as it adapts to changing user needs and the dynamic nature of data traffic. Key features of TDD include the ability to adjust transmission and reception times based on demand, making it ideal for applications requiring high data capacity and low latency. Additionally, TDD facilitates the implementation of advanced technologies such as MIMO (Multiple Input Multiple Output), which further enhances spectrum efficiency and network capacity.