An antenna having an array structure for full-duplex communication on a same wireless resource is provided, as well a network element including such an antenna and a beamforming processor. A method for transmitting and receiving simultaneously on a same wireless resource using such an antenna is also provided. The antenna includes multiple transmit antenna elements, each of these elements coupled to a respective gain-controlled transmit amplifier. The antenna also includes multiple receive antenna elements, each of these elements coupled to a respective gain-controlled receive amplifier. The antenna also includes an electromagnetic isolation structure located between the plurality of transmit antenna elements and the plurality of receive antenna elements.