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Generalized QL-QR Decomposition Transceiver Design for Two-Way MIMO Relaying

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In this paper, a novel, generalized QL-QR decomposition is investigated. The proposed two-way amplify-and-forward MIMO consists of two source nodes and one relay node. The investigation is focused to reduce the computational complexity involved in MIMO system and a generalized RQ decomposition, which is practical and efficient, is proposed. Analytical experiments show that the proposed relaying system has much lower computational complexity than the generalized singular value decomposition based two-way relay system while maintaining a comparably competitive bit-error-rate performance at high signal-to-noise ratio regions.
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Keywords: Amplify-and-Forward; MIMO; QL-QR Decomposition; Two-Way Relay

Document Type: Research Article

Affiliations: 1: Department of Electronic Engineering, CAIIT, Chonbuk National University, Korea 2: Seoyeong University, Gwangju, Korea

Publication date: November 1, 2017

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