5G physical layer book

(2) Transmission/ Reception Point (TRP) spectrum efficiency. Transmission / Reception Point spectral efficiency is defined as an aggregate throughput of all users divided by the channel bandwidth divided by the number of transmission/reception point.

The NR symbol modulate function implements modulation for 5G NR in one simple call. Layer mapping is the operation that maps one or two codewords to up to eight layers . This operation is somewhat simplified compared to LTE, where you could see one or two codewords for a given number of layers.

5G NR can choose subcarrier spacing from 15kHz to 240kHz, with a maximum 3300 subcarriers in simultaneous use on one channel . However, channels can be no more than 400MHz wide. The standard is frequency agnostic, meaning any subcarrier configuration can be used on any band.