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IEICE TRANSACTIONS on Fundamentals

Open Access
CsiNet-Plus Model with Truncation and Noise on CSI Feedback

Feng LIU, Xuecheng HE, Conggai LI, Yanli XU

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Summary :

For the frequency-division-duplex (FDD)-based massive multiple-input multiple-output (MIMO) systems, channel state information (CSI) feedback plays a critical role. Although deep learning has been used to compress the CSI feedback, some issues like truncation and noise still need further investigation. Facing these practical concerns, we propose an improved model (called CsiNet-Plus), which includes a truncation process and a channel noise process. Simulation results demonstrate that the CsiNet-Plus outperforms the existing CsiNet. The performance interchangeability between truncated decimal digits and the signal-to-noise-ratio helps support flexible configuration.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E103-A No.1 pp.376-381
Publication Date
2020/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.2019EAL2123
Type of Manuscript
LETTER
Category
Communication Theory and Signals

Authors

Feng LIU
  Shanghai Maritime University
Xuecheng HE
  Shanghai Maritime University
Conggai LI
  Shanghai Maritime University
Yanli XU
  Shanghai Maritime University

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