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Performance of MIMO-FQPSK Receivers with MLSE  

Kim, Sang-Heon (School of Electrical and Electronic Engineering, Yonsei University)
Jung, Sung-Hun (Samsung Thales Company, Ltd.)
Shin, Myeong-Cheol (School of Electrical and Electronic Engineering, Yonsei University)
Lee, Cyung-Yong (School of Electrical and Electronic Engineering, Yonsei University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.44, no.6, 2007 , pp. 18-23 More about this Journal
Abstract
In this Paper, we consider multiple input multiple output Feher-patented quadrature phase shift keying (MIMO-FQPSK) system supporting high spectral efficiency and throughput. Based on the fact that the complex baseband signal sampled at every bit duration has only eight phase values and its signal can be considered as 8-phase-shift keying signal, FQPSK demodulation with maximum likelihood sequence estimation(MLSE) is considered and it is extended to MIMO system. The performance of MIMO-FQPSK receiver is analyzed by computer simulation and by considering the union upper bounds for zrero forcing detection and minimum mean square error detection.
Keywords
FPQPSK; MIMO; MLSE; coherent detection; union bound;
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