Results 111 to 120 of about 13,960 (280)

On Reliable Transmission of Data over Simple Wireless Channels

open access: yesJournal of Computer Systems, Networks, and Communications, 2009
Standard protocols for reliable data transmission over unreliable channels are based on various Automatic Repeat reQuest (ARQ) schemes, whereby the sending node receives feedback from the receiver and retransmits the missing data.
Pawel Gburzynski   +2 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Ontology‐Aligned Structuring and Reuse of Multimodal Materials Data and Workflows Toward Automatic Reproduction

open access: yesAdvanced Engineering Materials, EarlyView.
Reproduction of stacking fault energy calculations from literature with a semi‐automated large language model‐assisted extraction procedure: extraction of simulation protocol, atomistic structures, computational parameters, and reported results, ontology alignment, knowledge graph construction and, finally, recomputation forvalidation.
Sepideh Baghaee Ravari   +5 more
wiley   +1 more source

Cooperative ARQ protocol based on switch and stay node selection in WSN

open access: yesTongxin xuebao, 2010
A cooperative automatic repeat request(ARQ) protocol based on switch and stay node selection(SSNS-CARQ) was proposed,which could obtain high energy efficiency and reliable transmission at the same time.A Markov model for analyzing the system throughput ...
HU Ying-bo1, CAI Yue-ming1
doaj   +2 more sources

Soft Mechanical‐Electrical Logic Using Liquid Metal‐Filled 3D‐Printed Architectures

open access: yesAdvanced Engineering Materials, EarlyView.
We present 3D‐printed soft mechanical–electrical logic elements that use liquid metal–filled silicone tubes actuated by thermoplastic polyurethane/polylactic acid (TPU/PLA) architectures to produce Boolean operations. Complementary normally open and normally closed unit cells perform repeatable binary transitions and can be combined into more complex ...
Christoph Lehmann   +2 more
wiley   +1 more source

Physical Layer Safety Communication Technology Based on Reliability Mixed Retransmission Protocol [PDF]

open access: yesJisuanji gongcheng, 2018
In physical layer secure communication system,the existing retransmission technology retransmits the whole wrong message when the legitimate user is in error,which may lead to the eavesdropper receives a lot of useful information.Aiming at solving the ...
ZOU Qinyu,ZHANG Bangning,GUO Daoxing,ZHAO Bing
doaj  

A Study on Hybrid Automatic Repeat Request Algorithm [PDF]

open access: yes, 2004
There are two important techniques, automatic repeat request (ARQ) and forward error control (FEC), in error control systems. ARQ uses redundancy for detecting errors.
Wu, Da-Cheng
core  

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar   +7 more
wiley   +1 more source

VISUALISASI PENGONTROLAN KESALAHAN DENGAN MENGGUNAKAN METODE AUTOMATIC REPEAT REQUEST(ARQ) PADA KOMUNIKASI DATA [PDF]

open access: yes, 2009
ABSTRAKSI: Tugas Akhir ini berisi tentang pembangunan aplikasi visualisasi dari Automatic Repeat reQuest (ARQ), yaitu sebuah metode pengontrolan kesalahan untuk transmisi data berbentuk frame yang menggunakan balasan (acknowledgments) dan waktu habis ...
Irfan Danu Nurtanto
core  

Molecular Dynamics Studies of Shape Memory Polymers: From Bead–Spring Models to Atomistic Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
Coarse‐grained (left) and atomistic (right) models of the shape memory polymer ESTANE ETE 75DT3 are shown schematically. The two representations bridge molecular detail and mesoscopic description. Both models capture shape memory behavior, linking segmental mobility and conformational relaxation of anisotropic chains to macroscopic recovery, and ...
Fathollah Varnik
wiley   +1 more source

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