The invention relates to a node in a wireless communication network, wherein the mode comprises at least two antenna arrays that are physically separated from each other, and each antenna array comprises at least one dual polarized antenna unit. Each antenna unit has a first polarity and a second polarity. The node also comprises at least two four-port power dividers/combiners, each power divider/combiner is provided with a first port pair and a second port pair. As for each power divider/combiner, power input into any port in one port pair is isolated from the other port in the port part and is divided between ports of another port pair. Antenna ports of the antenna arrays that are separated pairwise physically are in cross connection with the first port pair of a corresponding power dividers/combiner from a pair of antenna arrays that are the most far part physically to a pair of antenna arrays that are the least far apart. As for at least one power divider/combiner, the ports of the second port pair are connected to a corresponding second phase position change device and a corresponding third phase position change device.