| Equalization for continuous phase modulation over frequency-selective fading channels |
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| 作者姓名： | JIN Xiao-dong ZHAO Min-jian SUN Ling SHEN Wen-li |
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| 作者单位： | Department of Information Science and Electronic Engineering，Zhejiang University，Hangzhou 310027，China |
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| 摘 要： | This paper presents an equalization algorithm for continuous phase modulation (CPM) over frequency-selective channels. A specific training sequence is first embedded in each data packet. By recursive least-squares (RLS) estimation, the channel information parameters can be acquired, and a fractionally spaced equalizer performs joint decoding and equalization. Simulation results show that the proposed algorithm can acquire the channel information parameters rapidly and accurately, and that the fractionally spaced equalizer can eliminate the intersymbol interference (ISI) effectively, and is not sensitive to timing inaccuracy, so this algorithm can be exploited for demodulation system in burst mode.
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| 关 键 词： | 通道估计 均衡器 解码技术 频率 |
| 收稿时间： | 2007-03-17 |
| 修稿时间： | 2007-05-25 |
Equalization for continuous phase modulation over frequency-selective fading channels |
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| JIN Xiao-dong ZHAO Min-jian SUN Ling SHEN Wen-li.Equalization for continuous phase modulation over frequency-selective fading channels[J].Journal of Zhejiang University Science,2007,8(12):1884-1888. |
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| Authors: | Jin Xiao-dong Zhao Min-jian Sun Ling Shen Wen-li |
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| Institution: | (1) Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027, China |
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| Abstract: | This paper presents an equalization algorithm for continuous phase modulation (CPM) over frequency-selective channels. A specific training sequence is first embedded in each data packet. By recursive least-squares (RLS) estimation, the channel information parameters can be acquired, and a fractionally spaced equalizer performs joint decoding and equalization. Simulation results show that the proposed algorithm can acquire the channel information parameters rapidly and accurately, and that the fractionally spaced equalizer can eliminate the intersymbol interference (ISI) effectively, and is not sensitive to timing inaccuracy, so this algorithm can be exploited for demodulation system in burst mode. |
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| Keywords: | M-ary continuous phase modulation (CPM) Channel-estimation Joint decoding and equalization Fractionally spaced |
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