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Disadvantage: Complex transmitters and receivers. They must be wide-band, which means they are more expensive and possibly less reliable.

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12y ago

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What are the Advantages of WDM?

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Time Division Multiplexing (TDM) has several disadvantages, including inefficiency in bandwidth utilization, as it allocates fixed time slots to each channel regardless of whether data is being transmitted. This can lead to idle time and wasted capacity, especially if some channels have sporadic or low traffic. Additionally, TDM systems can be more complex to implement and manage compared to other multiplexing techniques, such as Frequency Division Multiplexing (FDM). Lastly, TDM is less flexible; if a new channel is added, it often requires reconfiguration of the entire system.


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