Feb 17, 2022 · We present a hybrid message passing (HMP) approach for uplink channel estimation. The novelty of HMP is to adopt the expectation propagation approximation (EPA ...
Since the two procedures work iteratively, HMP can jointly decouple pilots and exploit the channel sparsity. Numerical simulation results verify the superiority ...
The novelty of HMP is to adopt the expectation propagation approximation (EPA) to decouple pilots instead of using the prior LS estimator, and then utilize ...
Hybrid message passing approach for uplink massive MIMO channel estimation. S Wang, L Zhou, W Xu, J Dai. IEEE Wireless Communications Letters 11 (5), 987-991 ...
To avoid the prior decoupling LS operation, a hybrid message passing approach was proposed to estimate the sparse uplink channel [15]. It was demonstrated that ...
Mar 20, 2023 · The design of message passing (MP) algorithms on factor graphs is an effective manner to implement channel estimation (CE) in wireless ...
The compressive sensing (CS)-based sparse channel estimator is recognized as the most effective solution to the excessive pilot overhead in massive MIMO systems ...
Oct 22, 2024 · This paper investigates uplink channel estimation for massive multi-input multi-output orthogonal frequency division multiplexing ...
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Oct 6, 2023 · The design of message passing (MP) algorithms on factor graphs is an effective manner to implement channel estimation (CE) in wireless ...
Jun 1, 2023 · In this letter, we propose the Bernoulli two-state Gaussian mixture (B-TSGM) probability model to characterize the angle-delay domain (ADD) ...
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