Unit 1
8 hrs5G Overview and Requirements Evolution from 4G LTE to 5G, limitations of LTE-A, need for next-generation networks, vision and goals of 5G, performance targets (data rate, latency, reliability), 5G service categories (eMBB, URLLC, mMTC), traffic characteristics, spectrum requirements, sub-6 GHz and mmWave spectrum, spectrum sharing and refarming, regulatory challenges, standardization bodies (3GPP overview).