Mobile Devices

Wireless Access Systems ◾ 211

11.4 LTE

An alternative to WiMAX was under way in an attempt to optimize the

already deployed IP- based architecture, and to limit the threat posed to

cellular vendors and operators. Long Term Evolution (LTE) and Evolved

UMTS Terrestrial Radio Access Network (EUTRAN) were the new IP-

based access systems proposed aer WiMAX. e specications for

EUTRAN were published in 2009 by 3GPP Release 8.

Requirements listed by 3GPP 25.913

*

for EUTRAN include the following:

• Ability to be deployed with exible spectrum allocations from 1.25

to 20 MHz

• Average user throughput being three to four times the rates achiev ...