Title :
A constrained optimization approach to nonlinear interference cancellation
Author :
Rasmussen, Lars K.
Author_Institution :
ACCESS Linnaeus Center, KTH-R. Inst. of Technol., Stockholm, Sweden
Abstract :
Nonlinear interference cancellation has been successful as a low-complexity iterative detection strategy for multiple-input, multiple-output channels. However, such strategies are generally difficult to analyze. Here we develop a connection to constrained optimization through the use of penalty functions. The resulting framework provides a means of analysis, and includes known nonlinear cancellation schemes.
Keywords :
MIMO communication; interference suppression; iterative methods; optimisation; wireless channels; MIMO channel; constrained optimization approach; iterative detection; nonlinear interference cancellation; penalty functions; Approximation methods; Convergence; Decorrelation; Detectors; Interference cancellation; Optimization; Vectors;
Conference_Titel :
Communication Technologies Workshop (Swe-CTW), 2011 IEEE Swedish
Conference_Location :
Stockholm
Print_ISBN :
978-1-4577-1877-9
Electronic_ISBN :
978-1-4577-1876-2
DOI :
10.1109/Swe-CTW.2011.6082488
