LTE does not use the standard one antenna and one signal at any given time, 4G LTE-A uses multiple signals and multiples antennas.
It uses MIMO (Multiple Input Multiple Output) technology to combine multiple antennas on both the transmitter (for example 4G masts) and the receiver (for example a smartphone). So a 2×2 MIMO configuration would mean there were two antennas on the transmitter and two on the receiver and you don’t have to stop at two, the more antennas theoretically the faster the potential speeds as the data streams can travel more efficiently.
4G is the fourth generation of mobile phone technology. It follows on from the existing 3G (third generation) and 2G (second generation) mobile technology but does everything at a much faster speed.
The benefits of 4G fall firmly into three categories. These are:
- improved download/upload speeds
- reduced latency
- crystal clear voice calls
3G, short for third generation, is the third generation of wireless mobile telecommunications technology. It is the upgrade for 2G and 2.5G GPRS networks, for faster internet speed. This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the International Mobile Telecommunications-2000 (IMT-2000) specifications by the International Telecommunication Union. 3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.