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

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

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.

Original language	English
Article number	7593297
Pages (from-to)	290-293
Number of pages	4
Journal	IEEE Communications Letters
Volume	21
Issue number	2
DOIs	https://doi.org/10.1109/LCOMM.2016.2618796
Publication status	Published - Feb 2017
Externally published	Yes

Keywords

CoMP
HARQ
MIMO
MoDiv
Q3AP

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10.1109/LCOMM.2016.2618796

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title = "Modulation Design for MIMO-CoMP HARQ",

abstract = "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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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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KW - HARQ

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KW - Q3AP

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Modulation Design for MIMO-CoMP HARQ

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Keywords

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