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On the financial side, a key factor for the success of a smart-city initiative is the low cost of the sensors. On the technical side, the units need to be flexible enough to cover different roles, and to be reconfigurable for a distinct target. The capability to interact with an already deployed infrastructure, like a preexistent web-server, is a favorable feature from both the financial and technical...
Modern experiments in particle physics are based on advanced and sophisticated electronic systems. LLRF control system requires simultaneous data acquisition of multiple ADC channels and real time signal processing between pulses. Due to very high requirements related to reliability, availability, accessibility and efficiency development of software for such systems is very complex process. Additionally,...
Many e-commerce applications are prevalent in today's world. New features and enhanced security, both are required for successful launch and deployment of e-commerce applications. In this paper, we focus on a generic e-commerce architecture, called eTRON which incorporates - at its nucleus - the tamper-resistant eTRON chip, equipped with functions for mutual authentication, secure communication, and...
Multi-core architectures have spurred the rapid growth in high-end computing systems. While the vast majority of such multi-core processors contain symmetric hardware components, their interaction with systems software, in particular the communication stack, results in a remarkable amount of asymmetry in the effective capability of the different cores. In this paper, we analyze such interactions and...
The advent of embedded systems with greater capacity in terms of processing and general functionality has given rise to the recent use of embedded clusters, as seen in Singapore's satellite mission, X-Sat. This paper presents a Linux-based concurrent system of embedded network nodes, interconnected by Ethernet. It is formed of readily available components and is configured as a standard, commodity-based...
An integrated expansion bus bridge is disclosed that couples the traditional ISA (Industry Standard Architecture) data transfer bus to the USB (Universal Serial Bus), which was implemented in the external placement of a ISA data acquisition card. The main transfer function was achieved by the chip of Cypress, EZ-USB AN2131Q, and the performance of the chip, implementation of driver program development,...
The aim of this paper is to present a communication synthesis approach stated as an allocation problem. In the proposed approach, communication synthesis allows to transform a system composed of processes that communicate via high-level primitives through abstract channels into a set of processes executed by interconnected processors that communicate via signals and share communication control. The...
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