Title :
Pseudo-Newton based equalization algorithms for QAM coherent optical systems
Author :
Selmi, Mehrez ; Ciblat, Philippe ; Jaouën, Yves ; Gosset, Christophe
Author_Institution :
LTCI, Telecom ParisTech, Paris, France
Abstract :
In 112 Gbit/s optical coherent transmission context, we propose decision-directed and blind adaptive equalizers using variable step size suitable for 16-QAM. The considered algorithms offer better steady state performance and convergence speed than standard adaptive equalizers.
Keywords :
Newton method; blind equalisers; quadrature amplitude modulation; QAM coherent optical systems; blind adaptive equalizers; optical coherent transmission context; pseudoNewton based equalization algorithms; standard adaptive equalizers; steady state performance; variable step size; Adaptive equalizers; Adaptive optics; Blind equalizers; Convergence; Cost function; Finite impulse response filter; Nonlinear filters; Optical receivers; Quadrature amplitude modulation; Telecommunications;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
