5G NR modulation and waveforms have some commonalities with LTE but aim to have much higher spectral efficiency. NR supports QPSK, 16 QAM, and 256 QAM with the same constellation mapping as LTE. An OFDM-based waveform is supported. Some parts of the numerology are flexible, like the SCS, while others are fixed. The subframe duration […]

New Radio is a new air interface that is not backward compatible with LTE, LTE⁃Advanced or LTE⁃Advanced⁃pro. Without depending on 2G, 3G or 4G networks, NR networks can be independently deployed. In order to be able to work independently, NR should have a complete set of RAN functionalities. Just like the previous mobile generation networks, […]