Research ArticleOpen accessIn the abstractA Disruption-Tolerant Model for Building a Mobile Application Using Web ServiceMaryati Mohd. Yusof, Mansor Omar, Zarina ShukurProblem statement: The emerging technology in broadband telecommunication and mobile devices has increased the use of mobile applications. However, the use of mobile application is affected with low bandwidth or disrupted broadband telecommunication due to building blockage or out of coverage area. Approach: We proposed a Disruption-Tolerant Mobile Application Model (DTMA) that enables remote data access and overcomes constraint due … …Journal of Computer Science, Vol. 6, Issue 12 · 1 Dec 2010 · 7,224 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Simulative Study on the Performance Evaluation for Simultaneous and Successive Mobility for Mobile IPv6Ibrahim Abdullah, Mohamed OthmanProblem statement: Mobile Internet Protocol (MIP) is the forms of the backbone for next generation wireless internet technology to provide uninterrupted network service while a node on the move. The original MIP use Home Agent to forward the traffic. Thus, it does not have problem with simultaneous mobility, i.e., the special case when both end nodes are mobile and move … …Journal of Computer Science, Vol. 6, Issue 12 · 30 Nov 2010 · 6,787 accessesView PDFCite
Research ArticleOpen accessIn the abstractDensity Based Routing Algorithm for Spare/Dense Topologies in Wireless Mobile Ad-Hoc NetworksEssam Natsheh, Khalid BuraggaProblem statement: A Mobile Ad-Hoc Networks (MANETs) operate in environments without infrastructures with an undefined network size. Most routing protocols of Mobile Ad-hoc Networks (MANETs) were studied using open space models where nodes were able to move throughput the entire simulation area. However, a more realistic topology should account for restricted mobility of nodes, such as in an urban city … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 7,465 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Improved Lazy Release Consistency ModelChapram Sudhakar, T. RameshProblem statement: A network of workstations, viewed as a distributed shared memory system can be used to develop and test parallel algorithms. Approach: For implementing parallel algorithms on such DSMs shared memory consistency model plays a vital role. Results: However on a LAN, strict consistency models like Sequential Consistency model (SC) are not useful since the communication is slow. In … …Journal of Computer Science, Vol. 5, Issue 11 · 30 Nov 2009 · 7,147 accessesView PDFCite
Research ArticleOpen accessIn the abstractThroughput-Delay Trade-Off for Slotted Aloha Multiple Access with Capture EffectA. Chehri, P. Fortier, P. M. TardifProblem statement: Medium Access Control (MAC) protocols are one of most important research issues in communication and networking. There have been proposed several MAC protocols in wireless as well in wired networks. Approach: ALOHA-based protocol is the simplest one, being able to provide prompt access, reliable channels and support for quality of service. However its limited capacity, low throughput and … …Journal of Computer Science, Vol. 5, Issue 9 · 30 Sep 2009 · 6,922 accessesView PDFCite
Research ArticleOpen accessIn the abstractTheoretical and Simulation Approaches for Studying Compensation Strategies of Nonlinear Effects Digital Lightwave Links Using DWDM TechnologyJ. Bel Hadj TaharNowadays, techniques for education are based on the combination of theoretical formulas, experimental measurement and simulation approaches. Theoretical analysis, experimental and simulation approaches based educations allow developing simple and non expensive tools for the aim of studying complex problems in optical network communication. Theoretical formulas, used to describe the non linear effects on digital lightwave links, may by simplified with … …Journal of Computer Science, Vol. 3, Issue 11 · 30 Nov 2007 · 6,706 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnergy Aware Optimal Routing for Wireless Sensor NetworksS. Chandramathi, U. Anand, T. Ganesh et al.Wireless Sensor Network (WSN) is a collection of autonomous devices with computational, sensing, and wireless communication capabilities. The sensor nodes are low cost, multi-functional devices that are densely deployed either inside the phenomenon or very close to it and are often powered by independent power sources. The lifetime of such sensor nodes show a strong dependence on lifetime of the … …Journal of Computer Science, Vol. 3, Issue 11 · 30 Nov 2007 · 6,649 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesign of 16-point Radix-4 Fast Fourier Transform in 0.18µm CMOS TechnologySiva Kumar Palaniappan, Tun Zainal Azni ZulkifliThis paper introduces detail design of semi-custom CMOS Fast Fourier Transform (FFT) architecture for computing 16-point radix-4 FFT. FFT is one of the most widely used algorithms in digital signal processing. It is used in many signal processing and communication application as an important block for various multi-carrier systems such as for WLAN (Wireless local area network). This paper describes … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 7,169 accessesView PDFCite
Research ArticleOpen accessIn the abstractSMS for Question-Answering in the m-Learning ScenarioS. R. Balasundaram, B. RamadossEmerging technologies are leading to the development of several new opportunities to guide and enhance learning that were unimaginable a few years ago. The move towards adopting mobile learning technologies is fast growing in both academic and industrial sectors. Mobile learning uses portable devices linked to a commercial public network, including different types of mobile phones and handheld computers. For … …Journal of Computer Science, Vol. 3, Issue 2 · 28 Feb 2007 · 7,448 accessesView PDFCite
Research ArticleOpen accessIn the abstractHuman-Robot Interface over the Web Based Intelligent SystemDesa Hazry, Masanori Sugisaka, Taki YujiThis research extends the capability for the new technology platform by Remote Data Inspection System (RDIS) server from Furukawa Co., Ltd. enabling the integration of standard Hypertext Markup Language (HTML) programming and RDIS tag programming to create a user-friendly “point-and-click” web-based control mechanism. The integration allows the users to send commands to mobile robot over the Internet. Web-based control enables … …American Journal of Applied Sciences, Vol. 3, Issue 1 · 31 Aug 2006 · 6,961 accessesView PDFCite