Phased array antenna, a method of operating a satellite communication system and a phased array antenna with a phased array antenna

摘要

A phased array antenna that provides a radiation pattern having a communication at least one beam, the antenna elements each having an antenna element signal having a phase relationship and an amplitude relationship between elements other signals, each antenna element, the digital beam forming and an analog beam forming network for reducing the digital signal processing configuration to provide a network, that the digital signal processing configuration is exposed to the interference signal, an analog beam forming network, corresponding to the interference signal on the received signal from the plurality of antenna elements and apply the analog beam forming weights in order to produce a null in the radiation pattern in the direction, the signals received from the analog beam forming network, a digital beam forming network, giving digital beam forming weights for each communication at least one beam, by a radiation pattern that is a composite of the antenna, the communication beams is provided with at least one phased array antenna is provided. Well, the analog beam forming network provides beamforming weights to each antenna element in the sub-array, digital beam forming network provides the beamforming weights for each sub-array is divided into subarrays multiple elements. [Selection Figure Figure 3