we need to design simulink model for transceivers need frequency carriers for up-and down-conversion of the baseband signal. Therefore, a
frequency synthesizer is necessary, which increases the complexity and power consumption of the system.
IR-UWB, on the other hand, directly modulates the information bits with extremely short-duration pulses.
Since the pulse occupies a large bandwidth (no less than 500 MHz), it can be directly emitted without
using carriers or any intermediate frequency (IF) processing, greatly reducing the system complexity and
the overall power consumption and size . A capsule endoscope communication system includes an inbody transmitter and an on-body receiver with its corresponding blocks for synchronization and base-band