IEICE Transactions on Communications

IEICE Transactions on Communications 2008 E91-B(1):62-69; doi:10.1093/ietcom/e91-b.1.62

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Copyright © 2008 The Institute of Electronics, Information and Communication Engineers

Special Section on Cognitive Radio and Spectrum Sharing Technology -- Papers -- Spectrum Sharing

MIMO Spatial Spectrum Sharing for High Efficiency Mesh Network

Fumie ONO¹ and Kei SAKAGUCHI²

¹ The author is with Yokohama National University, Yokohama-shi, 240-8501 Japan. E-mail: fumie{at}ynu.ac.jp, ² The author is with Tokyo Institute of Technology, Tokyo, 152-8552 Japan.

In this paper, an architecture of MIMO mesh network which avoids co-channel interference and supplies link multiplexing simultaneously, namely MIMO spatial spectrum sharing, is proposed. As a MIMO transmission scheme, linear (such as zero-forcing) and nonlinear (such as dirty paper coding and successive interference cancellation) MIMO algorithm are developed for the proposed mesh network. It is found from numerical analysis that the proposed MIMO mesh network achieves significantly higher channel capacity than that of conventional mesh networks.

Key Words: mesh network, MIMO, spatial spectrum sharing, bi-directional link multiplexing, interference cancellation

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Manuscript received May 10, 2007. Manuscript revised July 20, 2007.

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This Article Abstract Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to My Personal Archive Download to citation manager Request Permissions Google Scholar Articles by ONO, F. Articles by SAKAGUCHI, K. Search for Related Content Social Bookmarking          What's this?