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In an OFDM-based cooperative relay system, the arrival times and carrier frequency offsets (CFOs) of the signals from different relays are most likely different. Estimation of these timing offsets and CFOs is a crucial and challenging task. In this paper, a new preamble structure is designed, and an efficient time and frequency offset estimator is proposed for the OFDM-based cooperative system. The...
Digital Video Broadcasting - Second Generation Terrestrial (DVB-T2) is a new standard used for the digital terrestrial television broadcast. Compared with the first generation DVB-T, it introduced various advanced technologies to improve system capacity and transmission reliability. One of the new designs in DVB-T2 is to use P1 symbol as the preamble to help the receiver to achieve fast synchronization...
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