A neighborhood restricted Mixed Gibbs Sampling (MGS) based approach is proposed for low-complexity high-order modulation large-scale Multiple-Scale Multiple-InputMultiple-Output (LS-MIMO) detection . Numerical simulation results considering 64-QAM demonstrated that the proposed detectionmethod can substantially improve the MGS algorithm convergence, whereas noextra computational complexity per iteration is required . D-simplified MGS-based detector has improved performance vs. complexity tradeoff when the system loadingis high, i.e., when K >= 0.75. N. is considered to be a more interesting choice than 1-sMGS . The

Author(s) : Alex Mussi, Taufik AbrĂ£o

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Keywords : scale - mgs - high - complexity - gibbs -

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