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Time Slot Allocation: The available time on the communication channel is divided into fixed-duration time slots. The duration of each time slot is determined based on the number of signals to be multiplexed and the desired data rate for each signal.
Signal Input: Multiple input signals or data streams from different sources are fed into the TDM system. Each input signal is assigned to a specific time slot in the TDM frame.
Multiplexing: The TDM system interleaves the input signals by sequentially transmitting them in their respective time slots. During each time slot, the TDM system samples the input signals and transmits the sampled data onto the communication channel.
Frame Structure: The multiplexed data stream is organized into frames, with each frame containing a sequence of time slots. The frame structure typically includes synchronization bits, framing information, and error detection/correction mechanisms to ensure reliable transmission.
Transmission: The multiplexed data stream, consisting of the interleaved signals, is transmitted over the communication channel to the receiving end. The channel may be a physical medium such as a wire, fiber-optic cable, or wireless transmission medium.
Demultiplexing: At the receiving end, a corresponding Time Division Demultiplexer (TDM) separates the multiplexed signals by demultiplexing them based on their assigned time slots. Each demultiplexed signal is then processed or routed to its respective destination.
Synchronization: Synchronization is essential in TDM systems to ensure that the transmitter and receiver are aligned with the timing of the time slots. Synchronization signals or framing patterns embedded in the multiplexed data stream are used to maintain synchronization between the transmitter and receiver.
Efficiency and Bandwidth Utilization: TDM offers efficient utilization of the communication channel’s bandwidth by allowing multiple signals to share the same channel without interference. By interleaving signals in time, TDM maximizes the utilization of available bandwidth and enables the transmission of multiple signals concurrently.