Title :
Self-recovering transceivers for block transmissions: filterbank precoders and decision-feedback equalizers
Author :
Stamoulis, Anastasios ; Giannakis, Georgios B. ; Scaglione, Anna
Author_Institution :
Dept. of ECE, Minnesota Univ., Minneapolis, MN, USA
Abstract :
Transmitter induced redundancy using FIR filterbanks can be used to equalize FIR channels irrespective of channel zeros and facilitate blind channel estimation. At the receiver end, linear or non-linear (DFE) FIR filterbanks can be applied to recover the transmitted data. Closed form expressions are derived for the FIR linear or DFE filterbank receivers. By applying blind channel estimation methods, the resulting DFE-framework becomes self-recovering. Extensive simulations illustrate the merits of our designs
Keywords :
FIR filters; channel bank filters; decision feedback equalisers; encoding; nonlinear filters; parameter estimation; transceivers; BER; DFE FIR filterbanks; DFE filterbank receiver; FIR channels equalisation; FIR linear filterbank receiver; blind channel estimation; blind channel estimation methods; block transmissions; channel zeros; closed form expressions; decision-feedback equalizers; filterbank precoders; linear FIR filterbanks; nonlinear FIR filterbanks; self-recovering transceivers; simulations; transmitted data recovery; transmitter induced redundancy; Additive noise; Bit error rate; Blind equalizers; Channel estimation; Decision feedback equalizers; Filter bank; Finite impulse response filter; Nonlinear filters; Transceivers; Transmitters;
Conference_Titel :
Signal Processing Advances in Wireless Communications, 1999. SPAWC '99. 1999 2nd IEEE Workshop on
Conference_Location :
Annapolis, MD
Print_ISBN :
0-7803-5599-7
DOI :
10.1109/SPAWC.1999.783064