Title :
Performance of a rotated QPSK based system in a fading channel subject to estimation errors
Author :
Lopes, Waslon T. A. ; De Alencar, Marcelo Sampaio
Author_Institution :
Departamento de Engenharia Eletrica, Univ. Fed. da Paraiba, Brazil
fDate :
6/23/1905 12:00:00 AM
Abstract :
This paper presents a performance analysis of a modified QPSK scheme for transmission over fading channels. Interleaving and rotation of the signal constellation are applied with the objective of improving its performance. It is shown that the proposed system outperforms the original scheme even in the presence of channel estimation errors.
Keywords :
digital radio; error statistics; fading channels; parameter estimation; quadrature phase shift keying; channel estimation errors; fading channel; interleaving; performance analysis; rotated QPSK based system; signal constellation; AWGN; Additive white noise; Channel estimation; Diversity reception; Estimation error; Fading; Interleaved codes; Performance analysis; Quadrature phase shift keying; Wireless communication;
Conference_Titel :
Microwave and Optoelectronics Conference, 2001. IMOC 2001.Proceedings of the 2001 SBMO/IEEE MTT-S International
Print_ISBN :
0-7803-7065-1
DOI :
10.1109/SBMOMO.2001.1008711
