Results 21 to 30 of about 111,140 (282)

Multi-level Turbo Decoding Assisted Soft Combining Aided Hybrid ARQ [PDF]

open access: yes, 2010
Hybrid Automatic Repeat reQuest (ARQ) plays an essential role in error control. Combining the incorrectly received packet replicas in hybrid ARQ has been shown to reduce the resultant error probability, while improving the achievable throughput.
Chen, Hong   +2 more
core   +1 more source

Channel-Aware Congestion Control in Vehicular Cyber-Physical Systems

open access: yesIEEE Access, 2020
In vehicular cyber-physical systems, cars are connected to create a mobile network called a vehicular ad hoc network (VANET) to perform various functions, including improved awareness of the surrounding environment.
Byeong-Moon Cho   +2 more
doaj   +1 more source

Performance Evaluation of MANET Routing Protocols AODV and DSDV Using NS2 Simulator

open access: yesSakarya University Journal of Computer and Information Sciences, 2021
Mobile Ad hoc Network (MANET) is a collection of wireless mobile nodes that dynamically form a network temporarily without any support of central management.
Amenah Mhmood, Ahmet Zengin
doaj   +1 more source

Reliable data delivery in low energy ad hoc sensor networks [PDF]

open access: yes, 2010
Reliable delivery of data is a classical design goal for reliability-oriented collection routing protocols for ad hoc wireless sensor networks (WSNs). Guaranteed packet delivery performance can be ensured by careful selection of error free links, quick ...
Daabaj, K.   +3 more
core   +2 more sources

Relationship between quantum decoherence times and solvation dynamics in condensed phase chemical systems [PDF]

open access: yes, 1998
A relationship between the time scales of quantum coherence loss and short-time solvent response for a solute/bath system is derived for a Gaussian wave packet approximation for the bath.
A. J. Bray   +31 more
core   +2 more sources

A quantitative analysis and performance study of fast congestion notification (FN) mechanism [PDF]

open access: yes, 2009
Congestion in computer network happens when the number of transmission requests exceeds the transmission capacity at a certain network point (called a bottle-neck resource) at a specific time.
Hassan, Suhaidi, M. Kadhum, Mohammed
core   +1 more source

Meningkatkan Kinerja Protokol Routing Aomdv Dalam Memilih Node Tetangga Berdasarkan Bandwidth, Round Trip Time, Dan Packet Loss Ratio Untuk Menemukan Rute Terbaik

open access: yesJournal of Computer Science and Informatics Engineering (J-Cosine), 2022
Mobile ad hoc network or in short MANET is a group of node that exchange the information from source node to destination node on wireless network. The main problem in MANET is on the network structure that change continously that is cause by node mobility that made route disconnected.
I Putu Gede Krisna Parwata   +2 more
openaire   +1 more source

Architecture and Performance Evaluation of a Novel Optical Packet Switch with Input Concentrators

open access: yesPhotonics, 2021
In this paper, we propose a novel optical packet switch (OPS) architecture with input concentrators, which employ multi-input single-output optical buffers to aggregate all the incoming traffic into a small size switching fabric.
Hongzhen Yang   +7 more
doaj   +1 more source

Trade-off analysis of a MAC protocol for wireless e-Emergency systems [PDF]

open access: yes, 2010
Wireless sensor networks are envisioned to be deployed in healthcare. Since emergency and intensive care applications need to assure reliable and timely data delivery, they have increased demands for quality of service, including at the MAC layer ...
Afonso, José A.   +3 more
core   +2 more sources

A UCB-based dynamic CoAP mode selection algorithm in distribution IoT

open access: yesAlexandria Engineering Journal, 2022
Lightweight constrained application protocol (CoAP) has emerged as a common communication protocol for resource-constrained equipment in distribution internet of things (IoT).
Shidong Zhang   +4 more
doaj   +1 more source

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