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3-Hop Cooperative Diversity Using Quasi-Orthogonal Space-Time Block Code
Tomoya YAMAOKA Yoshitaka HARA Noriyuki FUKUI Hiroshi KUBO
Publication
IEICE TRANSACTIONS on Communications
Vol.E93-B
No.6
pp.1636-1640 Publication Date: 2010/06/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.1636 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: cooperative diversity, multi-hop, quasi-orthogonal space-time block code,
Full Text: PDF>>
Summary:
We propose 3-hop cooperative diversity using QOSTBC (Quasi-Orthogonal Space-Time Block Code), which offers 3-hop cooperative diversity without signal separation in relay nodes. The key of our proposed scheme is encoding signal sequence in different signal unit according to relay stage. This letter explains details of the proposed scheme and shows that it offers interference reduction among streams and space diversity gain by result of simulations.
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