The inventors of the enclosed embodiments have further realized that in order to provide reliable services in the communications network, the selected channel assignment should be continuously monitored in order for the network node to detect new interference sources that could appear when e.g. new network nodes are deployed in the surroundings or if locations of the wireless devices served by the network node change significantly during the day or weekend. As locations of wireless devices and radio propagation characteristics are difficult to predict, using measurements from the wireless devices might me more accurate than measurements of the network node.

FIGS. 3 and 5 are flowcharts illustrating embodiments of methods for channel reconfiguration in a communications network 100. The methods are performed by the network node 200. The methods are advantageously provided as computer programs 920.

Reference is now made to FIG. 3 illustrating a method for channel reconfiguration in a communications network 100 as performed by the network node 200 according to an embodiment.

The network node 200 will use RSSI measurements reported periodically from served wireless devices 300a, 300b to trim and trigger channel reconfiguration. The network node 200 will collect RSSI measurements for all served wireless devices 300a, 300b over one or several measurement periods. Hence, the network node 200 is configured to perform step S102: