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Doped expectation propagation for low-complexity message passing based detection

journal contribution
posted on 2024-11-16, 04:41 authored by Wei Wang, Zhongyong Wang, Qinghua GuoQinghua Guo, Chuanzong Zhang, Peng Sun
Expectation propagation (EP) has been used for Gaussian approximation of discrete-valued symbols to achieve low-complexity message passing based detection. It has been shown that EP-based Gaussian approximation significantly outperforms the direct Gaussian approximation. A doped EP (DEP) approach to Gaussian approximation is proposed, where the EP message is mixed with the Gaussian message obtained through direct approximation. It is demonstrated that the DEP approach delivers remarkably better performance than the EP one.

Funding

Low-complexity factor-graph-based receiver design for bandwidth-efficient communication systems over doubly selective channels

Australian Research Council

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Citation

W. Wang, Z. Wang, Q. Guo, C. Zhang & P. Sun, "Doped expectation propagation for low-complexity message passing based detection," Electronics Letters, vol. 53, (6) pp. 403-405, 2017.

Journal title

Electronics Letters

Volume

53

Issue

6

Pagination

403-405

Language

English

RIS ID

113333

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