Title :
Block equalization techniques in the frequency domain
Author :
Pancaldi, F. ; Vitetta, G.M.
Author_Institution :
Dept. of Inf. Eng., Univ. of Modena & Reggio Emilia, Italy
Abstract :
In this work various channel equalization algorithms operating in the frequency domain are described in a unifying framework. First, minimum mean square error linear and decision-feedback equalizers are derived and a synthesis technique based on the well-known Levinson-Durbin algorithm is proposed for the latter. Then, iterative linear and decision feedback equalization algorithms for turbo processing are devised. Performance results for both uncoded and coded PSK transmissions show the efficacy of the proposed equalization techniques and their superiority over other existing frequency domain equalization strategies.
Keywords :
adaptive equalisers; block codes; channel estimation; decision feedback equalisers; frequency-domain synthesis; least mean squares methods; linear codes; phase shift keying; turbo codes; Levinson-Durbin algorithm; block equalization; channel equalization algorithm; decision-feedback equalizer; frequency domain operation; minimum mean square error linear equalizer; phase shift keying; turbo processing; uncoded-coded PSK transmission; unifying framework; Adaptive equalizers; Chirp modulation; Convergence; Decision feedback equalizers; Fading; Frequency domain analysis; Iterative algorithms; Mean square error methods; Phase shift keying; Transmitters;
Conference_Titel :
Wireless Communications and Networking Conference, 2004. WCNC. 2004 IEEE
Print_ISBN :
0-7803-8344-3
DOI :
10.1109/WCNC.2004.1311446