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2Nr MIMO ARQ Scheme Using Multi-Strata Space-Time Codes
Dongju KO Jeong Woo LEE
IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
multi-strata space-time codes (MSSTC), multi-input multi-output (MIMO), automatic repeat request (ARQ),
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We propose a 2Nr MIMO ARQ scheme that uses multi-strata space-time codes composed of two layers. The phase and transmit power of each layer are assigned adaptively at each transmission round to mitigate the inter-layer interference and improve the block error rate by retransmission. Simulation results show that the proposed scheme achieves better performance than the conventional schemes in terms of the throughput and the block error rate.