A network controlling device for controlling a network comprising network devices (111, 121) performing radiofrequency sensing, wherein the network comprises sensing areas (110, 120) defined by network devices (111, 121) of the network that are assigned to each sensing area (110, 120) such that each of the sensing areas (110, 120) corresponds to a spatial region, and wherein in each sensing area (110, 120) radiofrequency sensing is performed independent of the radiofrequency sensing in the other sensing areas (110, 120), wherein the network controlling device comprises: a sensing result providing unit for providing a sensing result of the radiofrequency sensing in each of the sensing areas (110, 120), wherein the network controlling device is characterised in that it further comprises: a potentially unreliable detection result determination unit for determining, based on a comparison between the sensing results of at least two sensing areas (110, 120), whether a detection result that is determined based on the sensing results is potentially unreliable in a spatial region being part of and/or being adjacent to at least one of the sensing areas (110, 120), and a new sensing area defining unit for defining a new sensing area by assigning network devices (111, 121) of the network to the new sensing area to perform radiofrequency sensing in the new sensing area, wherein the new sensing area corresponds to at least a part of the spatial region in which the detection result is potentially unreliable and wherein the radiofrequency sensing in the new sensing area is independent of the radiofrequency sensing in the other sensing areas (110, 120), wherein the sensing result providing unit is adapted to provide a new sensing result of the radiofrequency sensing in the new sensing area, and wherein the detection result is determined for at least the part of the spatial region for which a potentially unreliable detection result is determined based on at least one sensing result and the new sensing result. a sensing result providing unit for providing a sensing result of the radiofrequency sensing in each of the sensing areas (110, 120), wherein the network controlling device is characterised in that it further comprises: a potentially unreliable detection result determination unit for determining, based on a comparison between the sensing results of at least two sensing areas (110, 120), whether a detection result that is determined based on the sensing results is potentially unreliable in a spatial region being part of and/or being adjacent to at least one of the sensing areas (110, 120), and a new sensing area defining unit for defining a new sensing area by assigning network devices (111, 121) of the network to the new sensing area to perform radiofrequency sensing in the new sensing area, wherein the new sensing area corresponds to at least a part of the spatial region in which the detection result is potentially unreliable and wherein the radiofrequency sensing in the new sensing area is independent of the radiofrequency sensing in the other sensing areas (110, 120), wherein the sensing result providing unit is adapted to provide a new sensing result of the radiofrequency sensing in the new sensing area, and wherein the detection result is determined for at least the part of the spatial region for which a potentially unreliable detection result is determined based on at least one sensing result and the new sensing result. a potentially unreliable detection result determination unit for determining, based on a comparison between the sensing results of at least two sensing areas (110, 120), whether a detection result that is determined based on the sensing results is potentially unreliable in a spatial region being part of and/or being adjacent to at least one of the sensing areas (110, 120), and a new sensing area defining unit for defining a new sensing area by assigning network devices (111, 121) of the network to the new sensing area to perform radiofrequency sensing in the new sensing area, wherein the new sensing area corresponds to at least a part of the spatial region in which the detection result is potentially unreliable and wherein the radiofrequency sensing in the new sensing area is independent of the radiofrequency sensing in the other sensing areas (110, 120), wherein the sensing result providing unit is adapted to provide a new sensing result of the radiofrequency sensing in the new sensing area, and wherein the detection result is determined for at least the part of the spatial region for which a potentially unreliable detection result is determined based on at least one sensing result and the new sensing result.