Results 71 to 80 of about 15,360 (242)
Análise e proposição de uma solução VoIP para o IFPB
Revista Principia, 2013 O estado atual das tecnologias IP e seus respectivos dispositivos permite estabelecer uma solução de telefonia que agregue as vantagens de oferecer novos serviços, aproveitar a infraestrutura de rede existente e reduzir o custo por chamada telefônica ...
Adan Miller Agostinho Pereira +5 more
doaj +1 more source
Förbättra kvaliteten på Multicast-nätverk under OPNET Modeler
, 2010 This thesis presents different Internet Protocol (IP) multicasting design models and together with their implementation methods in OPNET Modeler 14.5.
VIENJIPURAM, KRISHNA KUMARAN +1 more
core +2 more sources
ETRI Journal, 2017 In this study, a non‐preemptive M/G/1 queueing model of a spectrum handoff scheme for cognitive wireless networks is proposed. Because spectrum handoff gives secondary users an opportunity to carry on their transmissions, it is crucially important to ...
Muhammed Enes Bayrakdar, Ali Çalhan
doaj +1 more source
Uplink Performance under High Traffic Demand in Massive LoRaWAN [PDF]
Journal of Microwaves, Optoelectronics and Electromagnetic ApplicationsLoRaWAN (Long Range Wide Area Network) is an innovative and mature solution for IoT (Internet of Things) applications. It allows network devices to transmit their data whenever necessary, without the need for any coordination or scheduling mechanism, by ...
Fernando S. Sousa +2 more
doaj +1 more source
A Hybrid Trust Model against Insider Packet Drop Attacks in Wireless Sensor Networks. [PDF]
Sensors (Basel), 2023 Cho Y, Qu G.
europepmc +1 more source
Introduction of Modeling and Performance Evaluation Using OPNET
IEICE Communications Society Magazine, 2008 ネットワークシミュレーションツールのOPNETについて，モデリング，利用方法に関する基本事項を説明する．対象として，ネットワークシステムの設計・管理，及び，プロトコル・ネットワークの研究開発を担当し，OPNETを利用している，または，これから利用してみようと考えているエンジニアを想定する．まず，OPNETの背景となる仮想NW環境の概念とOPNETツールの全体像について述べる．次に，OPNETを用いたルーチングアーキテクチャ評価の基本的な方法を述べる．最後に，プロトコルモデル開発用ツールであるOPNET Modelerの基本的な使い方について解説する．
openaire +2 more sources
Generation of data units in OPNET Modeler environment
, 2010 This dissertation deals with the generating of data units at different levels of TCP/IP network model in OPNET Modeler environment. A part of the dissertation is a brief introduction to the simulation environment OPNET Modeler where important components ...
Mikulica, Vladimír
core
Cycle Polling Algorithm Optimization andSimulation Research of MVB Network
机车电传动, 2013 The MVB master realized the real-time scheduling on periodicdata with preset period pollingtable.This article focused on thebad performance of information load uniformity based on the period pollingtable in tradition way.
WANG Tao, WANG Li-de, ZHOU Jie-qiong
doaj
Back-Off Time Calculation Algorithms in WSN
Informatics, 2016 In a Mobile Wireless Sensor Mesh Network (MWSMN), based on the IEEE 802.15.4 standard, low power consumption is vitally important since the network devices are mostly battery driven.
Ali Al-Humairi, Alexander Probst
doaj +1 more source
Modeling computer networks by the help of OPNet tools
Proceedings of the 9th International Conference on Applied Informatics, Volume 1, 2015 The presentation deals with a family of modeling tools concerning physical infocommunication network problems. OPNet oers two free licence tools for academic use. The IT Guru can be used with an individual licence while the Modeler with an organizational licence.
openaire +1 more source