**2.2 Time division multiplexing**

Time Division Multiplexing (TDM) is a technique for the serial transmission of user data over a common medium such as a coaxial cable.

At a time, only one user's data are transmitted serially in a time slot. TDM allows each user to use the entire system bandwidth.

*Multiplexing Techniques for Applications Based-on 5G Systems DOI: http://dx.doi.org/10.5772/intechopen.101780*

**Figure 4.** *Frequency division multiplexing.*

In addition to user data, signaling and frame alignment word (FAW) are inserted into the frame. At the receiver, there is clock recovery and frame synchronization to recover data for each channel (**Figure 5**).
