In 5G technology, wireless telecommunications consumers are preferred. 5G technology is the use of high bandwidth on cell phones where this is the dominant technology in the future.

5G supports large bandwidth upto 400 MHz whereas 5G devices may or may not support such a large bandwidth. We may not need always such a large bandwidth to send data. Thats why we have concept of bandwidth part. We can divide the bandwidth part and send the reference of bandwidth part used to the receiver