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This paper proposes a low-complexity compressed sensing (CS)-based time domain channel estimation with virtual oversampling for OFDM-based DTTB system. CS technique is first applied to sparse channel estimation in integrated services digital broadcasting-terrestrial (ISDB-T) system. Unfortunately, the CS-based time-domain channel estimation suffers from a performance degradation under the existence...
This paper proposed an oversampling Modified Orthogonal Matching Pursuit based channel estimation for ISDB-T in fractional delay TU6 channel. The simulation shows that the proposed method has better bit-error-rate performance compared to the conventional method. In addition, the oversampling MOMP requires only less computational cost to improved the performance in fractional delay.
Integrated Service Digital Broadcasting for Terrestrial (ISDB-T) is a Japanese standard for digital television that uses a multi-subcarrier systems called Orthogonal Frequency Division Multiplexing (OFDM). A solution for compressed sensing called Modified Orthogonal Matching Pursuit (MOMP) is capable of reducing the computational cost for channel estimation. This paper extends the capability of MOMP...
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