There is provided a method for a first network element of a wireless communication network, the method comprising: obtaining blanked subcarrier index data indicating one or more blanked subcarriers in a time-frequency resource grid; initiating reception of a transmission from a second network element of the wireless communication network on said time-frequency resource grid; causing performing an interference measurement on said one or more blanked subcarriers to obtain interference measurement data on said one or more blanked subcarriers; and outputting the interference measurement data for detecting a presence of radio jamming.