Bit-interleaved coded DPSK with cyclic delay diversity: design and analysis

Authors:
Koji Ishibashi;Koji Ishii;Hideki Ochiai
Affiliations:
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu, Japan;Department of Reliability-Based Information Systems Engineering, Faculty of Engineering, Kagawa University, Takamatsu, Japan;Division of Physics, Electrical and Computer Engineering, Yokohama National University, Yokohama, Japan
Venue:
IEEE Transactions on Wireless Communications
Year:
2009

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Abstract

In this paper, the bit-interleaved convolutionally coded differential phase shift keying (DPSK) in combination with cyclic delay diversity (CDD) is theoretically analyzed in terms of pairwise error probability (PEP). We show that bit-interleaved coded DPSK with CDD can achieve full spatial and frequency diversity offered by the frequency selectivity of wireless channel conditioned that the minimum free distance dfree of the convolutional code is larger than the target diversity order. The design criterion of the considered system is presented based on the analysis of diversity and coding gains. Finally, the theoretical results obtained in this paper are confirmed by computer simulations.