Title :
Blind equalization for correlated input symbols: A Bussgang approach
Author :
Panci, Gianpiero ; Colonnese, Stefania ; Campisi, Patrizio ; Scarano, Gaetano
Author_Institution :
INFOCOM Dept., Univ. "La Sapienza" di Roma, Italy
fDate :
5/1/2005 12:00:00 AM
Abstract :
This paper addresses the problem of blind equalization in the case of correlated input symbols, and it shows how the knowledge of the symbol sequence probability distribution can be directly incorporated in a Bussgang blind equalization scheme. Numerical results pertaining to both linear and nonlinear modulation schemes show that a significant improvement in equalization performance is obtained by exploiting the symbol sequence probability distribution using the approach herein described.
Keywords :
Gaussian processes; blind equalisers; computational complexity; probability; quadrature phase shift keying; signal processing; Bussgang approach; Gaussian minimum shift keying; blind equalization scheme; correlated input symbol; linear modulation scheme; nonlinear modulation scheme; quadrature phase shift keying; symbol sequence probability distribution; Bandwidth; Blind equalizers; Digital communication; Filters; Frequency; GSM; Probability distribution; Pulse shaping methods; Sampling methods; Timing; Blind channel equalization; Bussgang equalization; correlated symbols;
Journal_Title :
Signal Processing, IEEE Transactions on
DOI :
10.1109/TSP.2005.845477