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In the recent decades, Internet of Things (IoT) is becoming much more popular than ever. The sensors in IoT are becoming heterogeneous and abundant. It is necessary to implement a middleware platform to deal with the tremendous growth in the number and variety of sensors. In this paper, we design and implement a modularized and dynamic platform based on OSGI framework to deal with the vast heterogeneous...
The presence of software and middleware technologies based on open APIs and protocols for advanced service provision in telecoms is the main subject of this article. Specifically, the role and the trade-off between open APIs and Protocols, i.e. OSA/Parlay APIs, JAIN APIs and SIP, in modern telecoms are addressed. We present a technical implementation analysis, based on a call-related telecom service,...
Presence systems are widely used today to get information of user availability and their willingness to communicate. As presence and Unified Communications (UC) services are viewed as productivity enhancements within enterprises, the need to connect these services across enterprise WANs and MANs becomes more important. Adding to the availability to communicate is the growing use of mobile devices...
The asynchronous nature of communications in message-based systems like service-oriented architectures introduces two major issues: inability to detect lost and out-of-sequence messages, and unrealizability of some messaging protocols. We show that these problems are actually different manifestations of the same phenomenon: communicating peers ending up with divergent views of the message exchange...
The main objective of this paper is to investigate and understand how ubiquitous computing framework is applied in next generation network (NGN) and what the major challenges which require looking into are. Due to converged network and standardization of more simplified protocols, now there are many deployments that are based on ubiquitous computing framework. However, there is not very much evidence...
Streaming applications, such as packet switching or video and multimedia processing, require high through-put, that can be obtained by exploiting the application coarse grain parallelism, and mapping the parallel multitasks application on a multiprocessor system on chip (MPSoC). The seamless migration of a task from software to hardware implementation requires an unified communication intrastructure...
ARC and gLite are two of the leading production-ready Grid middleware solutions being used by thousands of researchers every day. Even though the middlewares leverage the same technologies, there are substantial architectural and implementation divergences. Today, users face difficulties trying to cross the boundaries of the two systems. The gLite clients have so far not been capable of accessing...
Currently there is no widely accepted formalized description or metadata that represents networks, their components and interrelations between them. There is also no de facto classification of network parameters, models and services. The network community lacks a metadata specification similar to WSDL that represents networks in clear and unified manner and includes software, hardware and networking...
Many fields of the industrial automation can be already served by wireless technologies. Due to the different requirements regarding the reliability, latency, number of nodes, node density and range to communication systems there is no uniform standard for wireless communication covering all domains of automation. It is to be expected in the future on a strongly increasing number of radio technologies...
In the past decade, new communication schemes have been designed and retrofitted into substations by utilities to integrate data from relays and intelligent electronic devices (IEDs). The idea of standardising the language of communication between IEDs has evolved as the key for the advancement of connectivity and interoperability within a substation automation system. As a result of the standardization...
We propose D-uMiddle, a middleware framework that enables devices and sensor nodes in different smart spaces to interact with one another across the Internet. The development of pervasive systems has created smart spaces, where embedded sensors detect user contexts, and computational engines assists user activities. Even though there exists middleware platforms aiming at interoperability among devices,...
In the past decade, new communication schemes have been designed and retrofitted into substations by utilities to integrate data from relays and intelligent electronic devices (IEDs) and capitalize on the protection, control, metering, fault recording and communication functions available in digital devices. The introduction of IEC 61850 has made it possible and justifiable to integrate station IEDs...
The following topics are dealt with: next generation mobile communication; wireless sensor network; middleware; ubiquitous service composition; emotion recognition; speech user interface; protocol and intelligent agent.
The mobile application represents a class of sensor network application. A sensor node (SN) roaming across several access points (AP) will bring in new technical challenges. The current sensor network uses channel number, which is indicated by certain bits in sent datagram, to identify the source sensor node. Such mechanism can not fit well into the mobile applications. In order to solve this problem,...
Networking and information-sharing task force aims to develop common frameworks of robust networking and flexible information-sharing, which help to collect sensing data about damages and to control search-and-rescue devices like robots, sensor networks, PDA, and so on. Collecting disaster information at damaged area is the most important activity to help decision-making in rescue process, while normal...
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