A method of configuring a dual polarized antenna array (111, 200a, 200b, 200c, 200d) for communication in a wireless access network, the antenna array (111, 200a, 200b, 200c, 200d) comprising antenna elements (210, 220) with respective polarizations and an antenna feed network, where each antenna element is associated with a respective beamforming weight, the method comprising configuring the antenna array (111, 200a, 200b, 200c, 200d) for transmission by a first set of beamforming weights w TX 1, wherein the first set of beamforming weights is arranged, via the antenna feed network, to provide a transmit antenna port connected to antenna elements of a first polarization (pol A) and of a second polarization (pol B), wherein the transmit antenna port is associated with an antenna power pattern, wherein the respective directivities of the first and the second polarizations vary differently along the antenna power pattern associated with the transmit antenna port; transmitting a first signal via the transmit antenna port on a downlink, DL, of the wireless access network; configuring the antenna array (111, 200a, 200b, 200c, 200d) for reception by a second w RX 1 and a third w RX 2 set of beamforming weights, wherein the second set of beamforming weights w RX 1 is arranged, via the antenna feed network, to provide a first receive antenna port connected to antenna elements of the first and of the second polarization, wherein the third set of beamforming weights w RX 2 is arranged, via the antenna feed network, to provide a second receive antenna port connected to antenna elements of the first and of the second polarization, where each of the receive antenna ports (RX1, RX2) is associated with the antenna power pattern, wherein the respective directivities of the first and the second polarizations vary differently along the respective antenna power patterns associated with the first and the second receive antenna ports, and where the respective variations of directivities of the first and the second receive antenna ports (RX1, RX2) are different; and receiving a second signal on an uplink, UL, of the wireless access network, via the first receive antenna port and the second receive antenna port. configuring the antenna array (111, 200a, 200b, 200c, 200d) for transmission by a first set of beamforming weights w TX 1, wherein the first set of beamforming weights is arranged, via the antenna feed network, to provide a transmit antenna port connected to antenna elements of a first polarization (pol A) and of a second polarization (pol B), wherein the transmit antenna port is associated with an antenna power pattern, wherein the respective directivities of the first and the second polarizations vary differently along the antenna power pattern associated with the transmit antenna port; transmitting a first signal via the transmit antenna port on a downlink, DL, of the wireless access network; configuring the antenna array (111, 200a, 200b, 200c, 200d) for reception by a second w RX 1 and a third w RX 2 set of beamforming weights, wherein the second set of beamforming weights w RX 1 is arranged, via the antenna feed network, to provide a first receive antenna port connected to antenna elements of the first and of the second polarization, wherein the third set of beamforming weights w RX 2 is arranged, via the antenna feed network, to provide a second receive antenna port connected to antenna elements of the first and of the second polarization, where each of the receive antenna ports (RX1, RX2) is associated with the antenna power pattern, wherein the respective directivities of the first and the second polarizations vary differently along the respective antenna power patterns associated with the first and the second receive antenna ports, and where the respective variations of directivities of the first and the second receive antenna ports (RX1, RX2) are different; and receiving a second signal on an uplink, UL, of the wireless access network, via the first receive antenna port and the second receive antenna port.