Results 51 to 60 of about 318,902 (264)

Closed-Form Expressions of Ergodic Capacity and MMSE Achievable Sum Rate for MIMO Jacobi and Rayleigh Fading Channels

open access: yesIEEE Access, 2020
Multimode/multicore fibers are expected to provide an attractive solution to overcome the capacity limit of the current optical communication system. In the presence of strong crosstalk between modes and/or cores, the squared singular values of the input/
Amor Nafkha, Nizar Demni
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Path Integral Approach to Nondispersive Optical Fiber Communication Channel

open access: yesEntropy, 2020
In the present paper we summarize the methods and results of calculations for the theoretical informational quantities obtained in our works for the nondispersive optical fiber channel.
Aleksei V. Reznichenko, Ivan S. Terekhov
doaj   +1 more source

Capacity of the Trapdoor Channel With Feedback [PDF]

open access: yesIEEE Transactions on Information Theory, 2008
We establish that the feedback capacity of the trapdoor channel is the logarithm of the golden ratio and provide a simple communication scheme that achieves capacity. As part of the analysis, we formulate a class of dynamic programs that characterize capacities of unifilar finite-state channels.
Haim H. Permuter   +3 more
openaire   +2 more sources

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

Broadcast Channel Cooperative Gain: An Operational Interpretation of Partial Information Decomposition

open access: yesEntropy
Partial information decomposition has recently found applications in biological signal processing and machine learning. Despite its impacts, the decomposition was introduced through an informal and heuristic route, and its exact operational meaning is ...
Chao Tian, Shlomo Shamai (Shitz)
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Investigation of Underwater Wireless Optical Communication Channel Capacity for Different Environment and System Parameters

open access: yesHittite Journal of Science and Engineering, 2020
Underwater wireless optical communication (UWOC) systems using the blue / green bands of the visible light spectrum stand out as an important solution in underwater applications that require high data communication rate such as remote sensing and ...
Yiğit Mahmutoğlu   +2 more
doaj   +1 more source

On channels without a capacity

open access: yesInformation and Control, 1963
which therefore always exists when C(k) exists. Many writers on information theory call by implication C(0-k) the capacity of the channel. They do this by proving a coding theorem and a weak converse (Wolfowitz, 1961, Section 7.6), and then calling the constant involved the capacity.
openaire   +2 more sources

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

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