Channel Estimation and Pilot Design for Uplink Sparse Code Multiple Access System Based on Complex-Valued Sparse Autoencoder

Channel Estimation and Pilot Design for Uplink Sparse Code Multiple Access System Based on Complex-Valued Sparse Autoencoder

Channel estimation is one of the most important aspects of wireless communication. Especially, in sparse code multiple access (SCMA) system, the accuracy of channel estimation has a significant impact on decoding performance. Various methods, so far, have been developed for channel estimation. Most...

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Bibliographic Details
Main Authors: Quan Yuan, Dezhi Li, Zhenyong Wang, Chang Liu, Ci He
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Sparse code multiple access
channel estimation
sparse pilot structure
Internet of Things
massive connection
complex-valued sparse autoencoder
Online Access:https://ieeexplore.ieee.org/document/8667100/
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