5G antenna design of power network and its radio frequency channel

The requirements of the 5G antenna system machine gain determine the number of units of the entire intensive array, and the number of RF channels determines the number of radiation units of the unit module, and the plurality of radiation units of the unit module are fed. Excitation. The amplitude of the power network determines the prefabrication angle of the unit module. The prefabricated tilt angle of the unit module determines the gain performance when the 5G large-scale antenna is in the direction of vertical scanning, and the following Table 1 analyzes the preparation of the unit module to When 0/3/6, three inclins, with a 96 unit array for an example, the gain performance of the whole machine antenna at different vertical tilt angles. As can be seen from the table, the gain advantage of the unit module prefabricated 6 degrees is very obvious when scanning is in large lower tumbs. Considering the increase in 5G base station, a single base station coverage is reduced, an antenna hanging high-level factor, and its operating state is more in the case where the lower hoot is large, so a certain prefabricated angle of setting a certain prefabricated angle of the unit module of the 5G large-scale antenna is conducive to its practical application. Table 1 Unit module prefabricates the gain performance when the entire tilt angle is vertically scan different inclination 5G large-scale antenna radiation unit needs to be electrically connected to the power network circuit, generally designed the power network as a double-sided microstructure PCB structure or a four-layer strip line structure, Figure 5 shows the unit module is fixed in double-sided sides. The case of the microstrip power separator PCB.

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