Title :
Frequency domain training-aided channel estimation and equalization in time-varying optical transmission systems
Author :
Pittalà, Fabio ; Msallem, Majdi ; Hauske, Fabian N. ; Ye, Yabin ; Monroy, Idelfonso T. ; Nossek, Josef A.
Abstract :
We propose a non-weighted feed-forward equalization method with filter update by averaging channel estimations based on short CAZAC sequences. Three averaging methods are presented and tested by simulations in a time-varying 2×2 MIMO optical system.
Keywords :
MIMO communication; channel estimation; equalisers; filtering theory; optical fibre communication; time-varying channels; averaging channel estimation; chanel equalization; filter update; frequency domain training aided channel estimation; nonweighted feedforward equalization method; short CAZAC sequence; time-varying MIMO optical system; time-varying optical transmission systems; Bit error rate; Channel estimation; Equalizers; IIR filters; Optical filters; Optical noise; Signal to noise ratio; Coherent Communications; Fiber Optics Communications; Multiplexing; Polarization;
Conference_Titel :
Photonics Conference (IPC), 2012 IEEE
Conference_Location :
Burlingame, CA
Print_ISBN :
978-1-4577-0731-5
DOI :
10.1109/IPCon.2012.6358689
