A monitoring system configured to monitor the operation of at least one wireless access point, wherein the wireless access point is operating on at least one of a plurality of available wireless operating channels in a wireless network comprising a plurality of wireless access points, wherein the monitoring system comprises a measurement module, a correlation module and a knowledge module, configured such that: during a learning phase: - the measurement module is configured to measure performance parameters of the wireless operating channel currently used by the wireless access point without service interruption and, if no users are connected to the wireless access point and/or users connected to the wireless access point are using non-realtime implications, the measurement module is configured to also measure performance parameters of other wireless operating channels than the one currently used; - the correlations module is configured to determine correlations between the measured performance parameters of a plurality of different wireless operating channels, when said plurality of different wireless operating channels have been measured by the measurement module; and - the knowledge module is configured to store said correlations, and wherein the monitoring system further comprises an estimation module configured such that: during a prediction phase: - the estimation module is configured to estimate the performance of wireless operating channels of the plurality of different wireless operating channels other than the wireless operating channel currently used by the wireless access point by means of retrieval of the stored correlations in the knowledge module in function of the measurements of the measurement module. - the measurement module is configured to measure performance parameters of the wireless operating channel currently used by the wireless access point without service interruption and, if no users are connected to the wireless access point and/or users connected to the wireless access point are using non-realtime implications, the measurement module is configured to also measure performance parameters of other wireless operating channels than the one currently used; - the correlations module is configured to determine correlations between the measured performance parameters of a plurality of different wireless operating channels, when said plurality of different wireless operating channels have been measured by the measurement module; and - the knowledge module is configured to store said correlations, and wherein the monitoring system further comprises an estimation module configured such that: during a prediction phase: - the estimation module is configured to estimate the performance of wireless operating channels of the plurality of different wireless operating channels other than the wireless operating channel currently used by the wireless access point by means of retrieval of the stored correlations in the knowledge module in function of the measurements of the measurement module. - the estimation module is configured to estimate the performance of wireless operating channels of the plurality of different wireless operating channels other than the wireless operating channel currently used by the wireless access point by means of retrieval of the stored correlations in the knowledge module in function of the measurements of the measurement module.