User Grouping and Power Allocation for Downlink NOMA-Based Quadrature Spatial Modulation

User Grouping and Power Allocation for Downlink NOMA-Based Quadrature Spatial Modulation

Conventional non-orthogonal multiple access (NOMA)-based spatial modulation (SM) systems utilize only the real part of amplitude-phase modulation (APM) symbols for transmission, but quadrature spatial modulation (QSM) can extend this to two orthogonal components to improve the spectral efficiency. I...

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Bibliographic Details
Main Authors: Zijie Hong, Guoquan Li, Yongjun Xu, Xiangyun Zhou
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Quadrature spatial modulation
non-orthogonal multiple access
multiple-input multiple-output
user grouping
power allocation
Online Access:https://ieeexplore.ieee.org/document/9001066/

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