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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.12 P.1884~1888

http://doi.org/10.1631/jzus.2007.A1884


Equalization for continuous phase modulation over frequency-selective fading channels


Author(s):  JIN Xiao-dong, ZHAO Min-jian, SUN Ling, SHEN Wen-li

Affiliation(s):  Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   lanxing@zju.edu.cn, mjzhao@zju.edu.cn

Key Words:  M-ary continuous phase modulation (CPM), Channel-estimation, Joint decoding and equalization, Fractionally spaced


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 A, 2007, 8(12): 1884~1888.

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author="JIN Xiao-dong, ZHAO Min-jian, SUN Ling, SHEN Wen-li",
journal="Journal of Zhejiang University Science A",
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pages="1884~1888",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A1884"
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%T Equalization for continuous phase modulation over frequency-selective fading channels
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%A ZHAO Min-jian
%A SUN Ling
%A SHEN Wen-li
%J Journal of Zhejiang University SCIENCE A
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%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1884

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T1 - Equalization for continuous phase modulation over frequency-selective fading channels
A1 - JIN Xiao-dong
A1 - ZHAO Min-jian
A1 - SUN Ling
A1 - SHEN Wen-li
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 12
SP - 1884
EP - 1888
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A1884


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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[9] Pancaldi, F., Vitetta, G.M., 2005. Block channel equalization in the frequency domain. IEEE Trans. on Commun., 53(3):463-471.

[10] Pancaldi, F., Vitetta, G.M., 2006. Equalization algorithms in the frequency domain for continuous phase modulations. IEEE Trans. on Commun., 54(4):648-658.

[11] Proakis, J.G., 2001. Digital Communications (4th Ed.). McGraw-Hill, New York.

[12] Qureshi, S.U.H., 1985. Adaptive equalization. Proc. IEEE, 73(9):1349-1387.

[13] Tan, J., Stuber, G.L., 2005. Frequency-domain equalization for continuous phase modulation. IEEE Trans. on Wirel. Commun., 4(5):2479-2490.

[14] Vitetta, G.M., Taylor, D.P., 1995a. Viterbi decoding of differentially encoded PSK signals transmitted over Rayleigh flat-fading channels. IEEE Trans. on Commun., 43(2-4):1256-1259.

[15] Vitetta, G.M., Taylor, D.P., 1995b. Maximum likelihood decoding of uncoded and coded PSK signal sequences transmitted over Rayleigh flat-fading channels. IEEE Trans. on Commun., 43(11):2750-2758.

[16] Vitetta, G.M., Taylor, D.P., 1996. Multisampling receiver for uncoded and coded PSK signal sequences transmitted over Rayleigh flat-fading channels. IEEE Trans. on Commun., 44(2):130-133.

[17] Yiin, L., Stuber, G.L., 1997. MLSE and soft-output equalization for trellis-coded continuous phase modulation. IEEE Trans. on Commun., 45(6):651-659.

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