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This paper addresses signal detection problems for orthogonal space-time block codes (OSTBC) without a transceiver signal linearization property, especially when a quasi-static channel condition does not hold. By augmenting transceiver a model with its complex conjugate, well-established multiple-input multiple-output (MIMO) detection techniques become applicable for the problem. We consider zero-forcing...
Error rate performance of the layered spacetime code (LST) combined with Alamouti coding (AC) in flat Rayleigh fading channel is investigated. With the sorted-QR-decomposition-based decision feedback detector (SQRD-DFD), the channel matrix is Q-R decomposed with proper column permutation to minimize the possibility of error propagation. Error rate performance of the LST combined with AC is compared...
This paper introduces a new class of space-time codes that achieve coding gain without a trellis or any form of inter-block dependency. The construction of the new codes starts from an existing (parent) space-time block code (STBC). Then by increasing the constellation size followed by expurgation of the expanded codebook, a better code is obtained at the original transmission rate. This method can...
This paper presents a low-ML-decoding-complexity, full-rate, full-diversity space-time block code (STBC) for a 2 transmit antenna, 2 receive antenna multiple-input multiple- output (MIMO) system, with coding gain equal to that of the best and well known Golden code for any QAM constellation. Recently, two codes have been proposed (by Paredes, Gershman and Alkhansari and by Sezginer and Sari), which...
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