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Computationally Efficient Joint Frequency Synchronization for OFDM-Based DVB-T
Young-Hwan YOU Sung-Jin KANG Hyoung-Kyu SONG
IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Broadcast Systems
OFDM, DVB, frequency synchronization,
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This letter proposes a computationally efficient way of jointly estimating the residual frequency offset (RFO) and sampling frequency offset (SFO) by using a continual pilot (CP) defined in OFDM-based DVB-T system. In order to devise an unbiased joint frequency estimator in the current DVB-T system, a CP subset is selected to offset the effects of RFO and SFO simultaneously.