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

摘要

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 performanceat high signal-to-noise ratio regions.