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Antenna technology of 5g system

From:Zhaoqing Xiangjiasheng Technology Co., Ltd     Release time:2021-03-26

Overview: This includes the design of a single antenna and the technology at the system level, which has been mentioned above, such as multi beam, beamforming, active antenna array, massive MIMO, etc.

This includes the design of a single antenna and the technology at the system level, which has been mentioned above, such as multi beam, beamforming, active antenna array, massive MIMO, etc.

From the specific antenna design point of view, metamaterial based concepts developed by the technology will be of great benefit. At present, metamaterials have achieved success in 3G and 4G, such as miniaturization, low profile, high gain and broadband.

The second is substrate or package integrated antenna. These antennas are mainly used in high frequency band, that is millimeter wave band. Although the size of the antenna in the high frequency band is very small, the loss of the antenna itself is very large, so it is better to integrate the antenna with the substrate or a smaller package on the terminal.

The third is the electromagnetic lens. Lens is mainly used in high frequency band. When the wavelength is very small, a medium can be put on to focus. The volume of high frequency antenna is not large, but the wavelength of microwave band is very long, which makes the lens difficult to use and the volume will be large.

The fourth is the application of MEMS. When the frequency is very low, MEMS can be used as a switch. In the mobile terminal, if the antenna can be effectively controlled and reconstructed, a multi-purpose antenna can be realized.


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