Results 21 to 30 of about 9,607 (255)

A simple message-passing algorithm for compressed sensing [PDF]

open access: yes2010 IEEE International Symposium on Information Theory, 2010
We consider the recovery of a nonnegative vector x from measurements y = Ax, where A is an m-by-n matrix whos entries are in {0, 1}. We establish that when A corresponds to the adjacency matrix of a bipartite graph with sufficient expansion, a simple message-passing algorithm produces an estimate \hat{x} of x satisfying ||x-\hat{x}||_1 \leq O(n/k) ||x ...
Venkat Chandar   +2 more
openaire   +4 more sources

Monitoring the Smart Grid Incorporating Turbines and Vehicles

open access: yesIEEE Access, 2018
In contrast to the traditional filtering approaches, this paper presents a message passing algorithm for multi-area interconnected power systems. The interconnected power system incorporating the thermal turbines and electrical vehicles is expressed as a
MD M. Rana   +3 more
doaj   +1 more source

Fixed-Symbol Aided Random Access Scheme for Machine-to-Machine Communications

open access: yesIEEE Access, 2019
The massiveness of devices in crowded Machine-to-Machine (M2M) communications brings new challenges to existing random-access (RA) schemes, such as heavy signaling overhead and severe access collisions.
Zhaoji Zhang, Ying Li, Lei Liu, Wei Hou
doaj   +1 more source

Message-Passing Algorithms for Quadratic Minimization

open access: yesCoRR, 2012
Gaussian belief propagation (GaBP) is an iterative algorithm for computing the mean of a multivariate Gaussian distribution, or equivalently, the minimum of a multivariate positive definite quadratic function. Sufficient conditions, such as walk-summability, that guarantee the convergence and correctness of GaBP are known, but GaBP may fail to converge
Nicholas Ruozzi, Sekhar Tatikonda
openaire   +3 more sources

Dynamic Byzantine Broadcast in Asynchronous Message-Passing Systems

open access: yesIEEE Access, 2022
The reconfiguration problem is considered a key challenge in distributed systems, especially in dynamic asynchronous message-passing systems.
Jing Li   +3 more
doaj   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Research on low complexity decoding for SCMA based on serial strategies of variable node

open access: yesDianxin kexue, 2017
Sparse code multiple access technology,as a competitive non orthogonal multiple access scheme for the fifth generation wireless communication network,has a broad application prospect.However,current SCMA uplink use the flooding scheme of message passing ...
Mingming JI, Jianhong ZHENG
doaj   +2 more sources

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

open access: yesMolecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce   +11 more
wiley   +1 more source

High-temperature expansions and message passing algorithms

open access: yesJournal of Statistical Mechanics: Theory and Experiment, 2019
Abstract Improved mean-field techniques are a central theme of statistical physics methods applied to inference and learning. We revisit here some of these methods using high-temperature expansions for disordered systems initiated by Plefka, Georges and Yedidia.
Maillard, Antoine   +5 more
openaire   +5 more sources

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