A Two-Stage Bayesian Receiver for Massive Grant-Free OFDM-NOMA With Interfering Pilot Symbols

A Two-Stage Bayesian Receiver for Massive Grant-Free OFDM-NOMA With Interfering Pilot Symbols

Massive grant-free non-orthogonal multiple access (NOMA) enables low-latency data transmission for a subset of coexisting user terminals, which may not be known a priori, and operates in an uncoordinated manner. On the receiver side, the effectiveness of user data decoding techniques heavily relies...

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Bibliographic Details
Main Authors: Fakher Sagheer, Frederic Lehmann, Antoine O. Berthet
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Massive grant-free NOMA
OFDM
structured sparsity
sparse Bayesian learning
expectation progagation
non-orthogonal pilot symbols
Online Access:https://ieeexplore.ieee.org/document/11060008/
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https://ieeexplore.ieee.org/document/11060008/

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