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146 articles for “wireless application”
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Research ArticleOpen accessIn the abstractPERFORMANCE ANALYSIS OF HIGH EFFICIENCY LOW DENSITY PARITY-CHECK CODE DECODER FOR LOW POWER APPLICATIONSM. Revathy, R. SaravananIn this study, we propose a low power, high efficient Low Density Parity-Check Code (LDPC) Decoder Architecture for error detection and correction applications. LDPC codes have been adopted in latest wireless standards such as satellite and mobile communications since they possess superior error-detecting and correcting capabilities. As technology scales, memory devices become larger and more powerful and low power consumption … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 30 Jan 2014 · 6,888 accessesView PDFCite
Research ArticleOpen accessIn the abstractA BROADCAST BASED ROUTING PROTOCOL FOR INTER-CLUSTER DATA DISSEMINATION IN VEHICULAR COMMUNICATIONAuxeeliya Jesudoss, S. V. Kasmir Raja, Ashraph SulaimanVehicular communication is one of the fast growing and promising technologies for a safe and comfortable driving environment. These technologies do not end up with economic and safety ramifications, but also extended with other informational and entertainment oriented services. Data are being propagated multi-hop between source and destination vehicles for many real-life applications. Clustering is one of the effective and … …Journal of Computer Science, Vol. 10, Issue 5 · 30 Dec 2013 · 7,525 accessesView PDFCite
Research ArticleOpen accessIn the abstractCERTIFICATE AUTHORITY SCHEMES USING ELLIPTIC CURVE CRYPTOGRAPHY, RSA AND THEIR VARIANTS-SIMULATION USING NS2S. Shivkumar, G. UmamaheswariA PKI (public key infrastructure) enables users of a basically unsecure public network to securely and privately exchange data through the use of a public and a private cryptographic key pair that is obtained and shared through a trusted authority. The public key infrastructure provides for a digital certificate that can identify an individual or an organization and directory services … …American Journal of Applied Sciences, Vol. 11, Issue 2 · 18 Dec 2013 · 7,384 accessesView PDFCite
Research ArticleOpen accessIn the abstractProtocols for Secure Routing and Transmission in Mobile Ad Hoc Network: A ReviewMohamed Othman, Salwa Aqeel Mahdi, Hamidah Ibrahim et al.Mobile ad hoc network security is a new area for research that it has been faced many difficulties to implement. These difficulties are due to the absence of central authentication server, the dynamically movement of the nodes (mobility), limited capacity of the wireless medium and the various types of vulnerability attacks. All these factor combine to make mobile ad hoc … …Journal of Computer Science, Vol. 9, Issue 5 · 25 May 2013 · 8,211 accessesView PDFCite
Research ArticleOpen accessIn the abstractWirelesshd Video Transmission Over Multicarrier Error-CorrectionchannelsMohamed Khedr, Maha SharkasUncompressed High-Definition video streaming over extremely high frequency using wireless technologies, also known as WirelessHD, is a challenge problem because of the high data rate requirement and channel variations. The advantages in RF technology and the huge bandwidth available in the 57-66 GHZ millimeter wave open new era for High Definition applications and high data rates communication. Retransmission is not … …Journal of Computer Science, Vol. 8, Issue 11 · 6 Nov 2012 · 6,586 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesign of Hybrid Coupler Connected Square Array Patch Antenna for Wi-Fi ApplicationsA. Sahaya Anselin Nisha, T. JayanthyMicrostrip patch antennas being popular because of light weight, low volume, thin profile configuration which can be made conformal. Wireless communication systems applications circular polarization antenna is placing vital role. In this study we introduce a new technique to produce circular polarization. Hybrid coupler is directly connected to microstrip antenna to get circular polarization. Also gain is further increased by … …Journal of Computer Science, Vol. 8, Issue 11 · 19 Sep 2012 · 6,642 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Security System for Smart Home ApplicationsMohammad Syuhaimi Ab-Rahman, Mohd Ariff Bin RazalyProblem statement: This study discusses the development of security system for smart home applications. More robust security system built around the world. Security system is being developed based on a microcontroller device as a receiver, processor and transmitter of information. Approach: The method of transmitting and receiving data is done wirelessly using a ZigBee device. ZigBee has the data transmission … …Journal of Computer Science, Vol. 8, Issue 10 · 24 Aug 2012 · 6,742 accessesView PDFCite
Research ArticleOpen accessIn the abstractImage Compression Algorithms Using Intensity Based Adaptive Quantization CodingSaad Al-Azawi, Said Boussakta, Alex YakovlevProblem statement: Low complexity image compression algorithms are necessary for modern portable devices such as mobile phones, wireless sensor networks and high constraint power consumption devices. In such applications low bit rate along with an acceptable image quality are an essential requirements. Approach: This study proposes low and moderate complexity algorithms for colour image compression. Two algorithms will be presented; … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 18 Jan 2012 · 8,501 accessesView PDFCite
Research ArticleOpen accessIn the abstractAuthentication Based and Optimized Routing Technique in Mobile Ad hoc NetworksS. Varadhaganapathy, A. M. Natarajan, S. N. SivanandamProblem statement: An Ad hoc network has been defined as a self-organizing, dynamic topology network formed by a group of wireless mobile nodes. Minimal configuration, absence of infrastructure and quick deployment, would make ad hoc networks convenient for emergency situations other than military applications. In recent years, security in Ad hoc Networks as a research topic had started to receive … …Journal of Computer Science, Vol. 7, Issue 5 · 7 May 2011 · 6,910 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnhanced Clustering Techniques for Hyper Network Planning using Minimum Spanning Trees and Ant-Colony AlgorithmLamiaa Fattouh IbrahimProblem statement: The process of network planning is divided into two sub steps. The first step is determining the location of the Multi Service Access Node (MSAN). The second step is the construction of subscriber network lines from MSAN to subscribers to satisfy optimization criteria and design constraints. Due to the complexity of this process artificial intelligence and clustering techniques … …Journal of Computer Science, Vol. 7, Issue 3 · 9 Mar 2011 · 6,820 accessesView PDFCite