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44 results for “IEEE 802.11”
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Research ArticleOpen accessIn the keywordsPerformance Study of Power Control Radio Resource Management Over WLANsZ. I. Dafalla, M. B.R. MurthyWireless Local Area Networks (WLANs) based on IEEE 802.11 standard have been rapidly growing. With limitations of the WLAN standard and rapid increase in wireless application demand, the air interface acts as bottleneck even in high-speed WLAN standards such as IEEE 802.11a and 802.11g with expected data transmission rates of up to 54 Mbps. To improve the overall performance of … …Journal of Computer Science, Vol. 4, Issue 3 · 31 Mar 2008 · 7,255 accessesView PDFCite
Research ArticleOpen accessIn the keywordsImplementation Wireless Adapter Interface Module with Gateway Device for Connection to 4-20 mA TransmittersWaleed Ishaq Hameed, K. Ivica, Amar Al-jzari, Yasir I. AbdulraheemWireless communication is emerging technology from the office world to the industrial world. It is important that this technique are applied by the users in industrial environments because the industrial communication underlies stricter conditions than office communication. In this paper, It has been designed and implemented wireless adapter interface module with gateway connected to 4-20 mA devices and the Differential … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 3 · 1 Jul 2017 · 8,027 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEnergy Efficiency Analysis of a TR-UWB SystemAdil El Abboubi, Fouzia Elbahhar, Marc Heddebaut et al.In wireless communications, where sensors operate on batteries, the energy consumption must be reduced while considering the communication range and data rate requirements. In this context we analyze and compare, in this study, the UWB and TR-UWB system in terms of the total energy consumption. So, for that, we develop an analytical model to estimate the energy consumption of a … …Journal of Computer Science, Vol. 12, Issue 1 · 15 Feb 2016 · 7,317 accessesView PDFCite
Research ArticleOpen accessIn the keywordsENERGY EFFICIENT NETWORK SELECTION USING 802.16G BASED GSM TECHNOLOGYH. Anandakumar, K. UmamaheswariHandover is the mechanism that transfers information from one terminal to another as a user moves through the coverage area of a cellular system. Here the Network selection is the handover decision process between various network environments. This handover decision will be either mobile or network initiated. In 2G GSM handover decision method especially concentrates on Received frequency signals (RFS). … …Journal of Computer Science, Vol. 10, Issue 5 · 31 Dec 2013 · 7,076 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCOMPARISON FOR WIMAX SCHEDULING ALGORITHMS AND PROPOSAL QUALITY OF SERVICE IMPROVEMENT IN WIMAX NETWORKSR. Nandhini, N. DevarajanThe objective of the broadband wireless technologies is to ensure the end to end Quality of Service (QoS) for service classes. Wimax is a revolution in wireless networks which could support real time multimedia services. In order to provide QoS support and efficient usage of system resources an intelligent scheduling algorithm is needed. The design of detailed scheduling algorithm is … …American Journal of Applied Sciences, Vol. 11, Issue 1 · 19 Nov 2013 · 7,394 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA CROSS-LAYER SCHEDULER WITH CHANNEL STATE INFORMATION FOR GUARANTEED QUALITY OF SERVICER. Nandhini, N. DevarajanWiMAX networks are deployed for commercial use because of its nature high bandwidth. This requirement invokes the application level changes in QoS provisioning techniques. The objective of the broadband wireless technologies is to ensure the end to end Quality of Service (QoS) for the service classes. WiMAX is a revolution in wireless networks, which could support real time multimedia services. … …Journal of Computer Science, Vol. 10, Issue 2 · 13 Nov 2013 · 6,976 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHROUGHPUT ANALYSIS OF AGGREGATION WITH FRAGMENT RETRANSMISSION PLUS QUALITY OF SERVICE SCHEMETeuku Yuliar Arif, Riri Fitri SariAggregation with Fragment Retransmission (AFR) is a scheme designed for frame transmission to increase efficiency at the MAC layer throughput. AFR provides a higher throughput compare to Distributed Coordination Function (DCF) scheme. However AFR scheme did not has QoS service function when compared to DCF scheme. DCF scheme already has contention-based QoS service using Enhanced Distributed Coordination Function (EDCA) scheme. … …Journal of Computer Science, Vol. 9, Issue 10 · 5 Sep 2013 · 7,319 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMinimizing Interference in Wireless Mesh Networks Based Telemedicine SystemMohammad Siraj, Kamalrulnizam Abu BakarProblem statement: It has been always a challenging task for the researchers to incorporate information technology advancements in the medical profession. In order to guarantee a reliable network infrastructure that supports the employment of wireless technology and mobile devices, a hybrid infrastructure that integrates wireless networks with the traditional wired Local Area Networks (LANs) is needed. The wired network will … …Journal of Computer Science, Vol. 8, Issue 8 · 14 Jul 2012 · 8,146 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Multipath Energy Efficient Congestion Control Scheme for Wireless Sensor NetworkB. Chellaprabha, S. Chenthur PandianProblem statement: In most of the existing works either detection of congestion or scheme for congestion control in wireless sensor networks are presented. A very few works have been done, taken in to account of both congestion detection and congestion control. In most of the congestion detection works they have not achieved accuracy in detecting congestion and have resulted with … …Journal of Computer Science, Vol. 8, Issue 6 · 20 Mar 2012 · 6,857 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of an Android Recognition Open-Loop Tracking Control of Writing Robotic ArmShahriar Rahman Fahim, Sanjay Dey, Md. Rashiduzzaman et al.Writing is one of the medium of the manifestations of the expression which is staged by going through many evolutionary phases for the time being. And most importantly robots and technology are dramatically meliorated in the 21st century. So, robotic writing hand was introduced with the collaboration with human brain and technology. The whole methodology is staged for the development … …Journal of Mechatronics and Robotics, Vol. 3, Issue 1 · 30 Aug 2019 · 6,401 accessesView PDFCite