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An efficient detector for combined space-time coding and layered processing

Authors Lin, Dai
Sfar, Sana
Ben Letaief, Khaled
Issue Date 2005
Source IEEE transactions on communications , v. 53, (9), 2005, SEP, p. 1438-1442
Summary Group layered space-time architecture (GLST) combines space-time block coding and layered space-time processing, where the transmit stream is partitioned into different groups, and in each group, space-time block coding is applied. In the traditional receiver of GLST, group detection is applied first to suppress the interference from other groups, and then decoding is performed for the desired group. In this letter, a novel detector is proposed in which the entire groups are decoded first, and then group detection is performed next. Theoretical analysis will demonstrate that the new detector can achieve a significant capacity gain compared with the traditional one. Simulation results will further show that the proposed detector can obtain at least 4 dB gain at a frame-error rate of 10(-2), for instance.
ISSN 0090-6778
Language English
Format Article
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