A new blind-equalization algorithm for an FIR SIMO system driven by MPSK signal
Gu, Nong, Xiang, Yong, Tan, Min and Cao, Zhiqiang 2007, A new blind-equalization algorithm for an FIR SIMO system driven by MPSK signal, IEEE transactions on circuits and systems. II, Express briefs, vol. 54, no. 3, pp. 227-231, doi: 10.1109/TCSII.2006.888734.
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Title
A new blind-equalization algorithm for an FIR SIMO system driven by MPSK signal
IEEE transactions on circuits and systems. II, Express briefs
Volume number
54
Issue number
3
Start page
227
End page
231
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Place of publication
Piscataway, N.J.
Publication date
2007-03
ISSN
1549-7747 1558-3791
Summary
We consider the problem of blind equalization of a finite impulse response and single-input multiple-output system driven by an M-ary phase-shift-keying signal. The existing single-mode algorithms for this problem include the constant modulus algorithm (CMA) and the multimodulus algorithm (MMA). It has been shown that the MMA outperforms the CMA when the input signal has no more than four constellation points, i.e., Mles4. In this brief, we present a new adaptive equalization algorithm that jointly exploits the amplitude and phase information of the input signal. Theoretical analysis shows that the proposed algorithm has less mean square error, i.e., better equalization performance, at steady state than the CMA regardless of the value of M. The superior performance of our algorithm to the CMA and the MMA is validated by simulation examples
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