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It has been shown that quasi orthogonal space time block codes (QOSTBC) can achieve high transmission rate with partial diversity. Constellation rotational QOSTBC can achieve full diversity. In this paper, we present a constellation rotational QOSTBC concatenates Reed-Solomon (RS) error correction code structure. At the receiver, pairwise detection and error correction are first implemented. The decoded...
It is known that spread spectrum serves no help against white noise, but little literature gives explicit demonstration on this problem. In this paper, two receiver structures for direct-sequence spread spectrum (DSSS) systems are described, the error probabilities for the two receivers are obtained, and the equivalence of the two receivers is studied. It is shown that a system using spread spectrum...
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