Results 31 to 40 of about 1,433,685 (263)

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

Call blocking and outage probability in energy-efficient LTE networks [PDF]

, 2018
Mobile operators are continuously expanding network infrastructure through the deployment of additional base stations to satisfy ever growing user demands.
Ur-Rehman, Masood, Safdar, Ghazanfar Ali, Ghazanfar Ali Safdar, Ur Rehman, Masood, Kanwal, Kapil, Kapil Kanwal, Masood Ur Rehman, Safdar, Ghazanfar   +7 more
core   +1 more source

Reduce the probability of blocking for handoff and calls in cellular systems based on fixed and dynamic channel assignment [PDF]

, 2020
In cellular systems the high probability of blocking represents a big problem for users, The proposed solution by reducing the blocking probability and investigation cellular systems by method channels assignment.
Nawaf, Shahir Fleyeh; Tikrit University, Dervish, Mohammed Hassan; Tikrit University, Salih, Mohammad Omar; Tikrit University   +2 more
core   +1 more source

Dynamic Routing and Spectrum Assignment Based on the Consecutive Sub-Channels in Flexible-Grid Optical Networks

IEEE Access, 2022
Variable bandwidth channels can be created in Flexible Grid Optical Networks using Optical Orthogonal Frequency Division Multiplexing (O-OFDM). This allows more efficient spectrum use by allocating integral multiple of basic bandwidth slots (sub-channels)
Varsha Lohani, Anjali Sharma, Yatindra Nath Singh   +2 more
doaj   +1 more source

Artificial molecular machines and motors—Design and control of nanoscale motion

FEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

The unrestricted blocking number in convex geometry [PDF]

, 2010
Let K be a convex body in \mathbb{R}^n. We say that a set of translates \left \{ K + \underline{u}_i \right \}_{i=1}^{p} block K if any other translate of K which touches K, overlaps one of K + \underline{u}_i, i = 1, . . . , p.
Sezgin, S.
core  

Computationally Efficient UE Blocking Probability Model for GBR Services in Beyond 5G RAN

IEEE Access
Modeling the probability of blocking User Equipment (UE) sessions within a cell is a crucial aspect within the management of 5G services with Guaranteed Bit Rate (GBR) requirements, especially in the process of planning in advance the deployment of such ...
Oscar Adamuz-Hinojosa, Pablo Ameigeiras, Pablo Munoz, Juan M. Lopez-Soler   +3 more
doaj   +1 more source

Deep Reinforcement Learning Based Dynamic Channel Allocation Algorithm in Multibeam Satellite Systems

IEEE Access, 2018
Dynamic channel allocation (DCA) is the key technology to efficiently utilize the spectrum resources and decrease the co-channel interference for multibeam satellite systems.
Shuaijun Liu, Xin Hu, Weidong Wang
doaj   +1 more source

A Century-Long Challenge in Teletraffic Theory: Blocking Probability Evaluation for Overflow Loss Systems With Mutual Overflow

IEEE Access, 2023
In this review, we describe historical and recent developments towards tackling a century-long challenge in teletraffic theory, namely the evaluation of blocking probability in overflow systems with mutual overflow. Such systems have many applications in
Eric W. M. Wong, Yin-Chi Chan
doaj   +1 more source

Membrane composition and thermodynamic identity as boundaries of life for synthetic cell research

FEBS Letters, EarlyView.
What makes a cell a cell? The boundary of a living cell is not just a wall. Read as a Markov blanket, the membrane separates internal from external states, generating identity and non‐equilibrium order. Can this identity be rebuilt from scratch in a synthetic cell?
Caterina Presutti, Bert Poolman
wiley   +1 more source