A method in a node in a first system associated with a first frequency band for radio communication, for avoiding or reducing interference in a second frequency band associated with a second system, the second frequency band adjacent to the first frequency band, the method comprising: - detecting an activity of the second system in the second frequency band; - determining characteristics of the activity of the second system in the second frequency band;and - adjusting at least one parameter related to the radio communication, based on at least one of said characteristics, a number of mobile terminals served by the node, and power requirements of the mobile terminals resulting from services utilized by the mobile terminals, such that the interference to the second frequency band, from the radio communication associated with the node, is adapted to the activity of the second system in said second frequency band, - wherein the at least one parameter comprises an antenna pattern of one or more transmit antennas associated with the node, wherein the antenna pattern is adjusted by one of: antenna tilting, beam redirection, and reconfiguration methods, and wherein the antenna pattern is temporarily adjusted for a predetermined time period based on an estimated distance between the node in the first system and one or more mobile nodes in the second system, - wherein the at least one parameter is adjusted such that the interference to the second frequency band is reduced when it is determined that the interference does not fulfill a predefined criterion and potentially interferes with the activity of the second system; and, such that the interference to the second frequency band is maintained or increased when it is determined that the interference fulfills said predefined criterion. - detecting an activity of the second system in the second frequency band; - determining characteristics of the activity of the second system in the second frequency band;and - adjusting at least one parameter related to the radio communication, based on at least one of said characteristics, a number of mobile terminals served by the node, and power requirements of the mobile terminals resulting from services utilized by the mobile terminals, such that the interference to the second frequency band, from the radio communication associated with the node, is adapted to the activity of the second system in said second frequency band, - wherein the at least one parameter comprises an antenna pattern of one or more transmit antennas associated with the node, wherein the antenna pattern is adjusted by one of: antenna tilting, beam redirection, and reconfiguration methods, and wherein the antenna pattern is temporarily adjusted for a predetermined time period based on an estimated distance between the node in the first system and one or more mobile nodes in the second system, - wherein the at least one parameter is adjusted such that the interference to the second frequency band is reduced when it is determined that the interference does not fulfill a predefined criterion and potentially interferes with the activity of the second system; and, such that the interference to the second frequency band is maintained or increased when it is determined that the interference fulfills said predefined criterion.