Modulation Design for MIMO-CoMP HARQ

Wenhao Wu; Hans Mittelmann; Zhi DIng

doi:10.1109/LCOMM.2016.2618796

Modulation Design for MIMO-CoMP HARQ

Wenhao Wu, Hans Mittelmann, Zhi DIng

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3 引用（Scopus）

摘要

Modulation diversity (MoDiv) is a simple and practical transmission enhancement technique that utilizes different modulation mappings to reduce packet loss rate and achieve higher link throughput. MoDiv is particularly meaningful and effective in Hybrid-Automatic Repeat reQuest (HARQ) systems. We study the deployment and optimization of MoDiv for HARQ in a MIMO-coordinated multi-point scenario under Rician fading channel to mitigate packet loss. We formulate the design optimization of MoDiv into a quadratic 3-D assignment problem, then solve it using a modified iterated local search method. Numerical results demonstrate clear performance gain over simple retransmissions and over a heuristic design under fading channels.

源语言	英语
文章编号	7593297
页（从-至）	290-293
页数	4
期刊	IEEE Communications Letters
卷	21
期	2
DOI	https://doi.org/10.1109/LCOMM.2016.2618796
出版状态	已出版 - 2月 2017
已对外发布	是

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Wu, W., Mittelmann, H., & DIng, Z. (2017). Modulation Design for MIMO-CoMP HARQ. IEEE Communications Letters, 21(2), 290-293. 文章 7593297. https://doi.org/10.1109/LCOMM.2016.2618796

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AB - Modulation diversity (MoDiv) is a simple and practical transmission enhancement technique that utilizes different modulation mappings to reduce packet loss rate and achieve higher link throughput. MoDiv is particularly meaningful and effective in Hybrid-Automatic Repeat reQuest (HARQ) systems. We study the deployment and optimization of MoDiv for HARQ in a MIMO-coordinated multi-point scenario under Rician fading channel to mitigate packet loss. We formulate the design optimization of MoDiv into a quadratic 3-D assignment problem, then solve it using a modified iterated local search method. Numerical results demonstrate clear performance gain over simple retransmissions and over a heuristic design under fading channels.

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Modulation Design for MIMO-CoMP HARQ

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