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215 results for “communication systems”

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Research ArticleOpen accessIn the abstractApplication of Near Field Communication Technology for Mobile Airline TicketingWayan SupartaProblem statement: Near Field Communication (NFC) technology opens up exciting new usage scenarios for mobile devices based platform. Users of NFC-enabled devices can simply point or touch their devices to other NFC-enabled elements in the environment to communicate with them (‘contactless’), making application and data usage easy and convenient. Approach: The study describes the characteristics and advantages of NFC technology … …Journal of Computer Science, Vol. 8, Issue 8 · 12 Jul 2012 · 7,486 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact of the Use of Object Request Broker Middleware for Inter-Component Communications in C6416 Digital Signal Processor Based Software Communications Architecture Radio SystemsWael A. Murtada, Mohamed M. Zahra, Magdi Fikri et al.Problem statement: This study presents an in-depth analysis of the performance of Software Communications Architecture (SCA) component-based waveform applications in terms of inter-component communications. The main limitation with SCA, in the context of embedded systems, is the additional cost introduced by the use of Object Request Broker (ORB) middleware. The ORB middleware handles the interaction between components and objects in … …Journal of Computer Science, Vol. 8, Issue 6 · 3 Apr 2012 · 7,242 accessesView PDFCite
Research ArticleOpen accessIn the abstractArtificial Bee Colony based Energy Aware and Energy Efficient Routing ProtocolP. Visu, S. Koteeswaran, J. JanetProblem statement: Network becomes very important technology in the day to day life style of modern computer era, in which the wireless communication become very popular for the last few years. In the same manner, the other wireless network, i.e., ado network is very popular among the researchers in the past few decades. Approach: The Ad hoc networks are defined … …Journal of Computer Science, Vol. 8, Issue 2 · 19 Jan 2012 · 7,098 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Wireless Sensor Node Supporting Various Powers Supply and Communication MethodsStefan Gruber, Hannes Reinisch, Hartwig Unterassinger et al.Problem statement: This study presents a wireless sensor node dedicated for in-tire pressure and temperature monitoring. Additional features set it apart from the many different systems available on the highly competitive market. State-of-the-art implementations are mounted on the rim of a tire. Here the sensor node will be mounted on the inner liner of the tire. By moving the sensor … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 12 Jan 2012 · 8,035 accessesView PDFCite
Research ArticleOpen accessIn the abstractWireless Body Area Sensor Networks Signal Processing and Communication Framework: Survey on Sensing, Communication Technologies, Delivery and FeedbackKhalid Abu Al-Saud, Massudi Mahmuddin, Amr MohamedProblem statement: The Wireless Body Area Sensor Networks (WBASNs) is a wireless network used for communication among sensor nodes operating on or inside the human body in order to monitor vital body parameters and movements. This study surveys the state-of-the-art on Wireless Body Area Networks, discussing the major components of research in this area including physiological sensing and preprocessing, WBASNs … …Journal of Computer Science, Vol. 8, Issue 1 · 1 Nov 2011 · 9,159 accessesView PDFCite
Research ArticleOpen accessIn the abstractA New Security Model using Multilayer Approach for E-Health ServicesRossilawati Sulaiman, Dharmendra Sharma, Wanli Ma, Dat TranProblem statement: Delivering services online is important in e-health. Services that are delivered through online communications between engaging parties, often involve sensitive information transmitted over the Internet. However, while the Internet successfully facilitates these services, significant threats also come in parallel. Network attacks, information breaches and malicious software on a computer system are common threats to the Internet. These threats … …Journal of Computer Science, Vol. 7, Issue 11 · 29 Aug 2011 · 6,825 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Wideband Planar Inverted-F Antennas for Wireless ApplicationSaida Ibnyaich, Abdelilah Ghammaz, Moha M’Rabet HassaniProblem statement: Due to the rapid development in wireless communication, the antennas capable of broad-band operations are very demanding in cellular communications systems. Among various possible antennas, planar inverted-F antennas (PIFAs) have the advantages of low profile and compact size and are very suitable for present-day wireless communication application. Approach: This study demonstrates a very effective method of bandwidth enhancement … …Journal of Computer Science, Vol. 7, Issue 8 · 14 Jul 2011 · 6,616 accessesView PDFCite
Research ArticleOpen accessIn the abstractOn-Chip Implementation of Pipeline Digit-Slicing Multiplier-Less Butterfly for Fast Fourier Transform ArchitectureYazan Samir Algnabi, Rozita Teymourzadeh, Masuri Othman et al.Problem statement: The need for wireless communication has driven the communication systems to high performance. However, the main bottleneck that affects the communication capability is the Fast Fourier Transform (FFT), which is the core of most modulators. Approach: This study presented on-chip implementation of pipeline digit-slicing multiplier-less butterfly for FFT structure. The approach taken; in order to reduce computation complexity … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 30 Nov 2010 · 8,016 accessesView PDFCite
Research ArticleOpen accessIn the abstractVLSI Implementation of Novel Class of High Speed Pipelined Digital Signal Processing Filter for Wireless ReceiversRozita Teymourzadeh, Yazan Samir Algnabi, Masuri Othman et al.Problem statement: The need for high performance transceiver with high Signal to Noise Ratio (SNR) has driven the communication system to utilize latest technique identified as over sampling systems. It was the most economical modulator and decimation in communication system. It has been proven to increase the SNR and is used in many high performance systems such as in the … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 5 Nov 2010 · 7,820 accessesView PDFCite
Research ArticleOpen accessIn the abstractIntegrated Quantum and Classical Key Scheme for Two Servers Password AuthenticationA. Krishnan, T.S. ThangavelProblem statement: Traditional user authentication system uses passwords for their secured accessibility in a central server, which is prone to attack by adversaries. The adversaries gain access to the contents of the user in attack prone servers. To overcome this problem, the multi-server systems were being proposed in which the user communicate in parallel with several or all of the … …Journal of Computer Science, Vol. 6, Issue 12 · 2 Nov 2010 · 6,650 accessesView PDFCite