The main motivation for LTE is need of PS optimized system, higher data rate, high quality of services and cheaper infrastructure.
Key advantage chart of LTE.
|DL data rate||100 Mbps|
|UL data rate||50 Mbps|
|Coverage||5 – 100km with slight degradation after 30km|
|Mobility support||Optimized for low speeds from 0 to 15kmph support Up to 500kmph|
|Control plane latency (Transition time to active state)||< 100ms (for idle to active)|
|User plane latency||< 5ms|
|Control plane capacity||> 200 users per cell|
|Spectrum flexibility||1.4, 2.5, 5, 10, 15, and 20 MHz|