FIELD: electrical communication engineering.
SUBSTANCE: invention relates to communication technology using network sharing. In embodiments of the present invention, a base station is provided, which includes an antenna unit and a radio frequency unit, wherein port corresponding to receiving channel, which relates to radio-frequency unit and is in operating state, and a port corresponding to the transmission channel, which relates to the radio frequency unit and is in the operating state, are separately connected to ports corresponding to the different dipoles with double polarization or different single polarization dipoles in the antenna unit, wherein these different dipoles with double polarization or different single polarization dipoles available in antenna unit are mutually isolated.
EFFECT: invention is designed to eliminate interference on the side of the intermodulation signal generated by the downlink signal generated by the uplink signal for both the same frequency band and other frequency bands.
8 cl, 7 dwg
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