Blind decision feedback equalization of time-varying channels withDPSK inputs
Er-Wei Bai; Zhi Ding
Signal Processing, IEEE Transactions on
Volume 49, Issue 7, Jul 2001 Page(s):1533 - 1542
Digital Object Identifier 10.1109/78.928706
Summary:This paper presents a new method to the blind equalization of a
class of linear time-varying mobile channels for differentially encoded
channel input signals. Through reparameterization, the equivalent
discrete system can be modeled as a single-input multiple-output system.
Unlike some existing methods, this new algorithm does not require prior
knowledge on the cyclic frequency of the channel response. The algorithm
is simple and relies only on a decision feedback structure and the
differential encoding nature of the channel input signals. The
convergence analysis of the decision feedback system is presented along
with simulation examples
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