An apparatus (360, 860) comprising: means (512, 514, 516, 912a) for deriving (1016, 1112) a first channel estimate (CHP, CH1) using pilot symbols; the means for deriving the first channel estimate comprising: means for determining a filter selection metric for a signal to be recovered; means for selecting a channel estimation filter based on the filter selection metric; means for deriving the first channel estimate (CHP, CH1) with the selected channel estimation filter using pilot symbols; and means for recovering (1018, 1114) a first packet using the first channel estimate (CHP, CH1); means (528, 918a) for regenerating data symbols for the first packet; means (522, 534, 536, 924a) for deriving a second channel estimate (CHD, CHD1); means (538, 926a) for obtaining a third channel estimate; and means for recovering a second packet using the third channel estimate, wherein the means for selecting a channel estimation filter is configured to select a first channel estimation filter if the filter selection metric indicates a signal-to-noise ratio, SNR, within a first range of SNRs, and to select a second channel estimation filter if the filter selection metric indicates a SNR within a second range of SNRs; the means for deriving the second channel estimate (CHD, CHD1) is configured to derive the second channel estimate using a third channel estimation filter and using the regenerated data symbols; and the means for obtaining is configured to obtain the third channel estimate using the first channel estimate (CHP, CH1) and the second channel estimate (CHD, CHD1). means (512, 514, 516, 912a) for deriving (1016, 1112) a first channel estimate (CHP, CH1) using pilot symbols; the means for deriving the first channel estimate comprising: means for determining a filter selection metric for a signal to be recovered; means for selecting a channel estimation filter based on the filter selection metric; means for determining a filter selection metric for a signal to be recovered; means for selecting a channel estimation filter based on the filter selection metric; means for deriving the first channel estimate (CHP, CH1) with the selected channel estimation filter using pilot symbols; and means for recovering (1018, 1114) a first packet using the first channel estimate (CHP, CH1); means (528, 918a) for regenerating data symbols for the first packet; means (522, 534, 536, 924a) for deriving a second channel estimate (CHD, CHD1); means (538, 926a) for obtaining a third channel estimate; and means for recovering a second packet using the third channel estimate, wherein the means for selecting a channel estimation filter is configured to select a first channel estimation filter if the filter selection metric indicates a signal-to-noise ratio, SNR, within a first range of SNRs, and to select a second channel estimation filter if the filter selection metric indicates a SNR within a second range of SNRs; the means for deriving the second channel estimate (CHD, CHD1) is configured to derive the second channel estimate using a third channel estimation filter and using the regenerated data symbols; and the means for obtaining is configured to obtain the third channel estimate using the first channel estimate (CHP, CH1) and the second channel estimate (CHD, CHD1).