A data-aided OFDM/OQAM synchronization algorithm using maximum posterior probability criterion
The OFDM/offset QAM (OFDM/OQAM) systems are sensitive to synchronization errors. To overcome this shortage of OFDM/OQAM systems, in this paper, a data-aided joint symbol timing and carrier frequency offsets (CFO) estimation algorithm based on maximum posterior probability criterion is proposed. Comp...
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| Veröffentlicht in: | ICCTA 2011 : IET International Conference on Communication Technology and Application : 14-16 October 2011 S. 107 - 111 |
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| Format: | Tagungsbericht |
| Sprache: | Englisch |
| Veröffentlicht: |
Stevenage
IET
2011
The Institution of Engineering & Technology |
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| ISBN: | 9781849194709, 184919470X |
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| Abstract | The OFDM/offset QAM (OFDM/OQAM) systems are sensitive to synchronization errors. To overcome this shortage of OFDM/OQAM systems, in this paper, a data-aided joint symbol timing and carrier frequency offsets (CFO) estimation algorithm based on maximum posterior probability criterion is proposed. Compared to traditional data aided algorithms, the derived algorithm achieves better performance in multipath fading channels in terms of capture probability of symbol timing offsets, root mean square error (RMSE) of CFO estimation and bit error rate (BER) versus signal-to noise power ratio (SNR). |
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| AbstractList | The OFDM/offset QAM (OFDM/OQAM) systems are sensitive to synchronization errors. To overcome this shortage of OFDM/OQAM systems, in this paper, a data-aided joint symbol timing and carrier frequency offsets (CFO) estimation algorithm based on maximum posterior probability criterion is proposed. Compared to traditional data aided algorithms, the derived algorithm achieves better performance in multipath fading channels in terms of capture probability of symbol timing offsets, root mean square error (RMSE) of CFO estimation and bit error rate (BER) versus signal-to noise power ratio (SNR). |
| Author | Su Hu Hao Chen Gang Wu Shaoqian Li |
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| Copyright | Copyright The Institution of Engineering & Technology Oct 14, 2011 |
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| DOI | 10.1049/cp.2011.0640 |
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| Keywords | OFDM-offset QAM systems root mean square error maximum posterior probability criterion multipath channels quadrature amplitude modulation RMSE bit error rate maximum likelihood estimation data-aided OFDM-OQAM synchronization algorithm BER frequency estimation synchronisation fading channels synchronization errors data-aided joint symbol timing-carrier frequency offset estimation SNR multipath fading channels OFDM modulation CFO estimation mean square error methods signal-to-noise power ratio error statistics |
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| Snippet | The OFDM/offset QAM (OFDM/OQAM) systems are sensitive to synchronization errors. To overcome this shortage of OFDM/OQAM systems, in this paper, a data-aided... |
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| SubjectTerms | Interpolation and function approximation (numerical analysis) Modulation and coding methods Other topics in statistics Radio links and equipment |
| Title | A data-aided OFDM/OQAM synchronization algorithm using maximum posterior probability criterion |
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