Signal Shaping for Non-Uniform Beamspace Modulated mmWave Hybrid MIMO Communications

This paper investigates adaptive signal shaping methods for millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications based on the maximizing the minimum Euclidean distance (MMED) criterion. In this work, we utilize the indices of analog precoders to carry information and optimiz...

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Bibliographic Details
Published in:IEEE transactions on wireless communications Vol. 19; no. 10; pp. 6660 - 6674
Main Authors: Guo, Shuaishuai, Zhang, Haixia, Zhang, Peng, Dang, Shuping, Xu, Chengcheng, Alouini, Mohamed-Slim
Format: Journal Article
Language:English
Published: New York IEEE 01.10.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Activation
beamspace modulation
Complexity
Complexity theory
Euclidean geometry
hybrid precoder
Millimeter waves
MIMO communication
mmWave MIMO communiations
Modulation
Optimization
Precoding
Quadratic programming
Radio frequency
signal shaping
Transmission line matrix methods
ISSN:1536-1276, 1558-2248
Online Access:Get full text
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Summary:This paper investigates adaptive signal shaping methods for millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications based on the maximizing the minimum Euclidean distance (MMED) criterion. In this work, we utilize the indices of analog precoders to carry information and optimize the symbol vector sets used for each analog precoder activation state. Specifically, we firstly propose a joint optimization based signal shaping (JOSS) approach, in which the symbol vector sets used for all analog precoder activation states are jointly optimized by solving a series of quadratically constrained quadratic programming (QCQP) problems. JOSS exhibits good performance, however, with a high computational complexity. To reduce the computational complexity, we then propose a full precoding based signal shaping (FPSS) method and a diagonal precoding based signal shaping (DPSS) method, where the full or diagonal digital precoders for all analog precoder activation states are optimized by solving two small-scale QCQP problems. Simulation results show that the proposed signal shaping methods can provide considerable performance gain in reliability in comparison with existing mmWave transmission solutions.
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ISSN:1536-1276
1558-2248
DOI:10.1109/TWC.2020.3004497