Diversity-Multiplexing Tradeoff for the MIMO Static Half-Duplex Relay

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2009-01-01

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Leveque, Olivier
Vignat, Christophe
Yüksel Turgut, Ayşe Melda

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In this work, we investigate the diversity-multiplexing tradeoff (DMT) of the multiple-antenna (MIMO) static half-duplex relay channel. The relay channel is assumed to be symmetric in terms of number of antennas, i.e. the source and the destination have n antennas each, and the relay has m antennas. A general expression is derived for the DMT upper bound, which can be achieved by a compress-and-forward protocol at the relay, under certain assumptions. It is observed that the static half-duplex DMT matches the full-duplex DMT when the relay has a single antenna, and is strictly below the full-duplex DMT when the relay has multiple antennas.

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https://hdl.handle.net/11511/96667

DOI

https://doi.org/10.1109/isit.2009.5205889

Conference Name

IEEE International Symposium on Information Theory (ISIT 2009)

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Department of Electrical and Electronics Engineering, Conference / Seminar

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Diversity-Multiplexing Tradeoff for the MIMO Static Half-Duplex Relay Leveque, Olivier; Vignat, Christophe; Yüksel Turgut, Ayşe Melda (2010-07-01) In this paper, we investigate the diversity-multiplexing tradeoff (DMT) of the multiple-antenna (MIMO) static half-duplex relay channel. A general expression is derived for the DMT upper bound, which can be achieved by a compress-and-forward protocol at the relay, under certain assumptions. The DMT expression is given as the solution of a minimization problem in general, and an explicit expression is found when the relay channel is symmetric in terms of number of antennas, i.e., the source and the destinati...
Diversity-multiplexing tradeoff in half-duplex relay systems Yüksel Turgut, Ayşe Melda; Erkip, Elza (2007-01-01) We study the multiple antenna half-duplex relay channel from the diversity-multiplexing tradeoff (DMT) perspective. We find performance upper bounds and show that compress-and-forward (CF) protocol achieves the upper bound. We argue that although it is hard to find the exact DMT expressions for decode-and-forward (DF) type protocols, they would be suboptimal in the multiple antenna case. We also study the multiple-access relay channel (MARC), and evaluate how CF works in this system. Our results show that C...
Diversity-multiplexing tradeoff in multiple-antenna relay systems Yüksel Turgut, Ayşe Melda; Erkip, Elza (2006-01-01) We study the diversity-multiplexing tradeoff (DMT) for the full-duplex relay channel when the source and the destination have multiple antennas, and the relay has I or more. We find DMT upper bounds and investigate the achievable performance of decode-and-forward (DF), partial decode-and-forward (PDF), and compress-and-forward (CF) protocols. We study the effect of increased degrees of freedom in the direct link and the source-relay channel when multiple antennas are introduced. Our results suggest that whi...
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Citation Formats

O. Leveque, C. Vignat, and A. M. Yüksel Turgut, “Diversity-Multiplexing Tradeoff for the MIMO Static Half-Duplex Relay,” presented at the IEEE International Symposium on Information Theory (ISIT 2009), Seoul, Güney Kore, 2009, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/96667.