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Trellis Coded 8PSK Modulation with Diversity on Spatially Correlated Rayleigh Fading Channel
Gunawan WIBISONO Iwao SASASE
IEICE TRANSACTIONS on Communications
Publication Date: 1997/01/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Mobile Communication
M-ary Phase Shift Keying (MPSK), trellis coded modulation (TCM), spatially correlated Rayleigh fading channel,
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We have investigated the BER performance of TC 8PSK with 2 branch SC and MRC diversities on spatially correlated Rayleigh fading channel. The upper bounds using the transfer function bounding technique are derived several numerical results are shown. Although the correlation between branches causes signal-to-noise (SNR) loss (relative to uncorrelated fading case) for SC and MRC diversities, the diversity can lead to achieve the diversity gain compared to the system without diversity. It is found that the diversity gain of 4-state TC 8PSK is larger than 8-state TC 8PSK. It is also shown that the BER performance of TC 8PSK is decreased as the antenna separation is decreased.