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On the robustness of the fractionally-spaced constant modulus criterion to channel order undermodeling .II

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4 Author(s)
Endres, T.J. ; Sch. of Electr. Eng., Cornell Univ., Ithaca, NY, USA ; Anderson, B.D.O. ; Johnson, C.R. ; Green, M.

For pt. I see Proc. 1st IEEE Workshop on Signal Proc. Advances in Wireless Comm., 1997. This paper studies the constant modulus (CM) criterion specifically for the case where the time span of the fractionally-spaced equalizer (FSE) is less than that of the channel. Hence, there necessarily exists an error in the equalized signal. Results for the binary case (Part I) are extended to multi-level signalling. This analysts is connected with the previous work of Fijalkow et al. (see IEEE Trans. on Signal Proc., 1995) on misadjustment of a CM receiver to suggest a finite interval of acceptable FSE length which shows that a longer FSE may not be better than a shorter FSE-in some cases, matching the FSE length to that of the channel may not reduce the MSE to a prescribed threshold, while a shorter FSE may be successful in achieving this threshold

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Acoustics, Speech, and Signal Processing, 1997. ICASSP-97., 1997 IEEE International Conference on  (Volume:5 )

Date of Conference:

21-24 Apr 1997