Top

The state of gigabit LTE in the U.S.

January 24, 2018

The combined features that deliver gigabit LTE were enhanced and adopted by standards-setting body 3GPP in October 2015 with the group’s Release 13. The primary building blocks of gigabit LTE are:

  • 4X4 multiple-input, multiple-output (MIMO), which uses four antenna ports at the transmitter and receiver to multiply the capacity of an RF link. With compatible user equipment, 4X4 MIMO can transmit four simultaneous delivering faster mobile data speeds.
  • Carrier aggregation effectively joins together non-contiguous bits of radio spectrum, both licensed and unlicensed, into a wider channel. Compatible with both TDD and FDD LTE networks, intra- and inter-band carrier aggregation in combinations of up to five component carriers of up to a 20 megahertz channel width.
  • 256 quadature amplitude modulation (QAM)  manipulates phase and amplitude of waveform to allow a higher bit rate per megahertz. The higher the order of modulation, the more bits per modulation symbol are transmitted.

Read More on RCR Wireless News