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5G and the Future Antenna Technology
Source:Origianl | Author:C&T RF Antennas Inc | Publish time: 2018-07-07 | 2418 Views | Share:



5G and the Future Antenna Technology

 

Over the past two decades, we have witnessed a shift in mobile communications from 1G to 4G LTE. During this period, the key technologies of communications are changing and the amount of information handled has multiplied. The antenna is an indispensable component to achieve this leap-forward promotion.

 

According to the definition of the industry, an antenna is an inverter that transforms a guided wave propagating on a transmission line into an electromagnetic wave that propagates in an unbounded medium (usually free space) or vice versa, that is, transmits or receives electromagnetic waves. It is popular to say that whether it is a base station or a mobile terminal, the antenna acts as a middleware for transmitting and receiving signals.

 

Now that the next-generation communications technology, 5G, has entered the end of the standard-setting stage, major carriers are also actively deploying 5G devices. Needless to say, 5G will bring new experiences to users. It has a transmission rate 10 times faster than 4G and puts forward new requirements for antenna systems. In 5G communication, the key to achieving high speed is millimeter wave and beamforming technology, but traditional antennas obviously cannot meet this demand. What kind of antenna is required for 5G communication?

 

Evolution and Trend of Mobile Communication Base Station Antennas

Base station antennas are developed along with network communications. Engineers design different antennas based on network requirements. Therefore, in the past generations of mobile communication technologies, antenna technology has also been evolving.

 

The first-generation mobile communications used almost all omnidirectional antennas. At the time, there were few users and the transmission rate was low. This time it was also an analog system.

 

By the second generation of mobile communication technology, we have entered the era of cellular. This stage of the antenna gradually evolved into a directional antenna, the general lobe width contains 60 ° and 90 ° and 120 °. Take 120° as an example, it has three sectors.