A method for detecting an Almost-Blank Subframe, ABS, configuration for an interfering macro cell of a heterogeneous network, the method being implemented in a wireless terminal and characterized by: for one or more resource blocks in a received signal, calculating a first power metric as a function of channel response estimates determined for predicted common reference signal, CRS, resource element locations in a plurality of symbols; for the one or more resource blocks in the received signal, calculating a second power metric as a function of channel response estimates determined for the predicted CRS resource element locations in a single one of the plurality of symbols; comparing a difference between the first and second power metrics to a threshold; and determining whether the macro cell is operating in a Multicast and Broadcast Single Frequency Network,MBSFN, mode or a non-MBSFN mode responsive to the comparison, wherein the MBSFN mode corresponds to the difference being greater than or equal to the threshold, and the non-MBSFN mode corresponds to the difference being less than the threshold; wherein said steps of calculating a first power metric, calculating a second power metric, and comparing a difference between the first and second power metrics to a threshold are performed for a plurality of resource blocks, and wherein said determining whether the macro cell is operating in a MBSFN mode or a non-MBSFN mode is performed responsive to the plurality of comparisons, with the MBSFN mode corresponding to a majority of the differences being greater than or equal to the threshold, and the non-MBSFN mode corresponds to a majority of differences being less than the threshold. for one or more resource blocks in a received signal, calculating a first power metric as a function of channel response estimates determined for predicted common reference signal, CRS, resource element locations in a plurality of symbols; for the one or more resource blocks in the received signal, calculating a second power metric as a function of channel response estimates determined for the predicted CRS resource element locations in a single one of the plurality of symbols; comparing a difference between the first and second power metrics to a threshold; and determining whether the macro cell is operating in a Multicast and Broadcast Single Frequency Network,MBSFN, mode or a non-MBSFN mode responsive to the comparison, wherein the MBSFN mode corresponds to the difference being greater than or equal to the threshold, and the non-MBSFN mode corresponds to the difference being less than the threshold; wherein said steps of calculating a first power metric, calculating a second power metric, and comparing a difference between the first and second power metrics to a threshold are performed for a plurality of resource blocks, and wherein said determining whether the macro cell is operating in a MBSFN mode or a non-MBSFN mode is performed responsive to the plurality of comparisons, with the MBSFN mode corresponding to a majority of the differences being greater than or equal to the threshold, and the non-MBSFN mode corresponds to a majority of differences being less than the threshold.