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STBC MIMO Network Coding for Bi-directional Multi-Hop Relay Networks
Fumie ONO Kei SAKAGUCHI
IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: MIMO Mesh Network
multi-hop network, MIMO, network coding, bi-directional relay, space time block code,
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Efficient bi-directional multi-hop wireless networks based on MIMO algorithm or network coding have been proposed in recent papers. This paper proposes a new technique named as MIMO network coding, that is a combination of network coding and MIMO algorithm for multi-hop relay networks. By using MIMO network coding, co-channel interference cancellation and efficient bi-directional transmission can be realized simultaneously with lower complexity in multi-hop networks. Moreover, Space Time Block Code (STBC) MIMO transmission is also introduced to achieve higher reliability in MIMO network coding. It is confirmed from numerical analysis that the MIMO network coding with STBC achieves higher capacity and reliability than conventional schemes.