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A Space-Time Coding Concept for a Multi-Element Transmitter

In this paper we propose a transmission concept that combines phase hopping and space-time coding to enable efficient multi-antenna transmission. The proposed space-time code can be considered as a non-orthogonal construction, a sibling of the ABBA code proposed in [7]. The transmission concept proposed here has the advantage that is can be utilized on top of the Alamouti code, essentially without any complexity increase in the terminal demodulator or decoder.