Lattice-basis reduction precoding based on successive interference cancellation design for multiuser MIMO downlink system |
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| Authors: | Xuan Geng Ling-ge Jiang Chen He |
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| Institution: | Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200240, China |
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| Abstract: | Two kinds of lattice-basis reduction precoding schemes based on successive interference cancellation are proposed. The successive
interference cancellation (SIC) structure can be obtained by either orthogonal and a right triangular matrix (QR) decomposition,
or the Vertical Bell Labs Layered Space Time (VBLAST) algorithm which provides optimal user ordering. Moreover, the extended
channel approach is applied to the proposed SICbased schemes. Simulation results show that the proposed schemes can achieve
comparable BER performance to vector precoding (VP). |
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| Keywords: | multiuser multiple-input multiple-output （MIMO） lattice-basis reduction successive interference cancellation （SIC） extended channel |
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