Patent ID: 8081690
Filing Date: 2011-12-20
Classification: H04L

Abstract:
1. A receiver for receiving an orthogonal frequency division multiplexed (OFDM) digital video broadcast (DVB) signal including OFDM symbol sets including data symbols and pilot symbols transmitted using a plurality of sub-carriers, the OFDM DVB signal being transmitted toward the receiver via a transmission channel, the receiver comprising: an input processor configured to receive the OFDM DVB signal via the transmission channel and to perform a Fourier transform on the OFDM DVB signal to provide a frequency-domain signal; and a channel estimation processor coupled to the input processor and configured to calculate final channel estimates for at least a particular time slot, the channel estimation processor being configured to: wherein the channel estimation processor is configured to select, as the sub-set of particular sub-carriers, N closest particular sub-carriers having frequencies lower than a frequency used to transmit a data symbol under inspection and N closest particular sub-carriers having frequencies higher than a frequency used to transmit the data symbol under inspection.