IIIE   20352
INSTITUTO DE INVESTIGACIONES EN INGENIERIA ELECTRICA "ALFREDO DESAGES"
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
OFDM Receivers with Iterative Nonlinear Distortion Cancellation
Autor/es:
LEONARDO BALTAR; STEFAN DIERKS; FERNANDO GREGORIO; JUAN COUSSEAU; JOSEF NOSSEK
Lugar:
Marrakesh
Reunión:
Workshop; 2010 IEEE Eleventh International Workshop on Signal Processing Advances in Wireless Communications (SPAWC); 2010
Institución organizadora:
IEEE
Resumen:
We propose two practical schemes for the cancellation of nonlinear distortions caused by the power amplifiers (PA) in Orthogonal Frequency Division Multiplexing (OFDM) systems. The algorithms are iterative and located at the receiver. They utilize a soft channel decoder to improve the capabilities of the distortion estimation and relay all the computational complexity to the receiver. Simulation results show that the algorithm can improve the coded bit error rate (BER) to levels close to the linear system case.