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In relating the use of consumer-grade equipment, Carrier Synchronization is a difficult task for DVB-S2 receivers, which have to operate with a large initial Carrier Frequency Offset (CFO) yet needing to achieve relatively high estimation precisions. For these reasons, conventional Carrier Frequency Recovery schemes for DVB-S2 systems need significant hardware complexity. In contrast, this paper proposes...
To ensure reliable acquisition of data in DVB-RCS systems, it is necessary to use a carrier frequency offset estimator having a large estimation range. This paper proposes an efficient data-aided feed-forward carrier frequency estimation algorithm for DVB-RCS systems. In this paper, the performances of the DA CFO estimation algorithms are compared and an efficient CFO estimation algorithm which is...
In this paper, we propose a channel estimation method associated with the interpolation order for DVB-T systems. We first analyze the time varying channel and frequency selective channels, and then derive the channel index which indicates the ratio of the time and the frequency axis variation. This channel index is used for determining the order of interpolation such as time axis followed by frequency...
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