NSA (Non-Standalone) refers to the joint networking of 5G and 4G LTE , which means that 5G networks are deployed on the basis of existing 4G equipment. In the 5G NSA networking mode, operators can share 4G and 5G core networks.
Read moreWhat is the difference between LTE and 5G NR resource block?
In 5G, One NR Resource Block (RB) contains 12 sub-carriers in frequency domain similar to LTE. In LTE resource block bandwidth is fixed to 180 KHz but in NR it is not fixed and depend on sub-carrier spacing.
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