eMBB
Enhanced Mobile Broadband: a 5G service category focused on delivering high data rates and capacity for bandwidth-intensive applications like video streaming and AR/VR.
eMBB is the 5G service category most people actually experience — it's the "faster phones" use case. Where URLLC chases latency and mMTC chases device density, eMBB is about raw capacity and peak rates for things like video streaming, AR/VR, and general smartphone traffic. It's the natural successor to LTE's mobile broadband, just scaled up.
The way eMBB gets those gains is mostly brute force in the good sense: wide carriers, high-order modulation, and lots of MIMO layers, plus dense mid-band and mmWave spectrum. For an operator it's also the category that drives most of the network build-out, because it sets the capacity that ordinary subscribers feel day to day. The other two pillars get the headlines, but eMBB is where the bulk of traffic — and revenue — still lives.
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