A method of operation of a mobile terminal in a cellular communications network to obtain a measurement of received signal power for a measured cell, wherein the method comprises: selecting a plurality of weighting parameters for a plurality of time-frequency samples of a reference signal of a measured cell based, at least in part, on inter-cell interference from one or more synchronized interfering cells having reference signals that are synchronized to the reference signal of the measured cell and inter-cell interference from one or more non-synchronized interfering cells having reference signals that are not synchronized to the reference signal of the measured cell, wherein each weighting parameter of the plurality of weighting parameters is for a different one of the plurality of time-frequency samples of the reference signal of the measured cell; and applying the plurality of time-frequency samples of the reference signal of the measured cell and the plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell to a corresponding plurality of time-frequency samples of a received signal from the measured cell to obtain a measurement of a received signal power for the measured cell, wherein selecting the plurality of weighting parameters comprises: determining a first plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce an impact of the inter-cell interference from the one or more synchronized interfering cells on the measurement of the received signal power; determining a second plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce noise comprising the inter-cell interference from the one or more non-synchronized interfering cells plus thermal noise; and combining the first plurality of weighting parameters and the second plurality of weighting parameters to provide the plurality of weighting parameters. selecting a plurality of weighting parameters for a plurality of time-frequency samples of a reference signal of a measured cell based, at least in part, on inter-cell interference from one or more synchronized interfering cells having reference signals that are synchronized to the reference signal of the measured cell and inter-cell interference from one or more non-synchronized interfering cells having reference signals that are not synchronized to the reference signal of the measured cell, wherein each weighting parameter of the plurality of weighting parameters is for a different one of the plurality of time-frequency samples of the reference signal of the measured cell; and applying the plurality of time-frequency samples of the reference signal of the measured cell and the plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell to a corresponding plurality of time-frequency samples of a received signal from the measured cell to obtain a measurement of a received signal power for the measured cell, wherein selecting the plurality of weighting parameters comprises: determining a first plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce an impact of the inter-cell interference from the one or more synchronized interfering cells on the measurement of the received signal power; determining a second plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce noise comprising the inter-cell interference from the one or more non-synchronized interfering cells plus thermal noise; and combining the first plurality of weighting parameters and the second plurality of weighting parameters to provide the plurality of weighting parameters. determining a first plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce an impact of the inter-cell interference from the one or more synchronized interfering cells on the measurement of the received signal power; determining a second plurality of weighting parameters for the plurality of time-frequency samples of the reference signal of the measured cell that reduce noise comprising the inter-cell interference from the one or more non-synchronized interfering cells plus thermal noise; and combining the first plurality of weighting parameters and the second plurality of weighting parameters to provide the plurality of weighting parameters.