Orthogonal amp

J Ma, L Ping - IEEE Access, 2017 - ieeexplore.ieee.org
orthogonal, hence the name orthogonal AMP (OAMP). Intuitively, such orthogonality partially
… IID Gaussian, partial orthogonal and some illconditioned ones for which AMP does not work …

On orthogonal AMP in coded linear vector systems

J Ma, L Liu, X Yuan, L Ping - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
… Recently, we proposed an orthogonal approximate message passing (OAMP) algorithm, …
AMP may perform poorly or even diverge [28]–[30]. To handle this difficulty, an orthogonal AMP (…

On OAMP: Impact of the orthogonal principle

L Liu, Y Cheng, S Liang, JH Manton… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… the connection of OAMP and AMP in [23], explicitly emphasizing the orthogonality in AMP. …
impact of orthogonality in OAMP and other AMP-type algorithms. Specifically, orthogonality

Orthogonal AMP for problems with multiple measurement vectors and/or multiple transforms

Y Cheng, L Liu, S Liang, JH Manton… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Orthogonal AMP (OAMP) was recently developed to avoid the need for computing the so-called
Onsager term in traditional AMP … Whereas the extension of traditional AMP algorithms to …

Orthogonal AMP for massive access in channels with spatial and temporal correlations

Y Cheng, L Liu, L Ping - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
… We propose an MMV form of the orthogonal approximate … with existing alternatives,
including AMP-MMV and GTurbo-… derive an MMV form of orthogonal AMP (OAMP-MMV) below. …

An integral-based approach to orthogonal AMP

Y Cheng, L Liu, L Ping - IEEE Signal Processing Letters, 2020 - ieeexplore.ieee.org
… -based orthogonal AMP (IB-OAMP) technique that avoids the requirements of AMP (and
also the original form of OAMP) on differentiable and separable denoisers. The orthogonality in …

Orthogonal AMP for compressed sensing with unitarily-invariant matrices

J Ma, L Ping - 2016 IEEE information theory workshop (ITW), 2016 - ieeexplore.ieee.org
… of AMP can be asymptotically characterized by a simple scaler recursion called state evolution
(SE). SE analysis shows that AMP … In this paper, we propose an orthogonal AMP (OAMP) …

On the convergence of orthogonal/vector AMP: Long-memory message-passing strategy

K Takeuchi - IEEE Transactions on Information Theory, 2022 - ieeexplore.ieee.org
… optimal orthogonal/vector AMPorthogonal/vector AMP. The convergence of the state
evolution recursions for Bayes-optimal LM-MP implies that for Bayes-optimal orthogonal/vector AMP

Achievable rates of generalized linear systems with orthogonal/vector AMP receiver

L Liu, Y Chi, Y Li, Z Zhang - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
… [11], AMP is proven to be Bayes optimal [12], [13]. However, AMP is only valid for independent
identical distribution (IID) matrices A. This severely limits the application of AMP in more …

Memory amp

L Liu, S Huang, BM Kurkoski - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… To solve this issue, orthogonal/vector AMP (OAMP/VAMP) was proposed for … AMP and
BO-OAMP/VAMP, this paper offers a memory AMP (MAMP) framework based on the orthogonality