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In this paper, an optimal time slot allocation scheme (O-TDMA) supporting hard real-time communication in wireless sensor networks (WSNs) is studied. In mission-critical system, O-TDMA scheme based on TDMA protocol and a real-time performance analysis method based on WCAU (the worst case achievable utilization) are proposed. Analytical proof that O-TDMA has better performance than other schemes is...
This paper is focusing upon some aspects on designing of an innovation of pulse signal processing system. Traditional pulse signal waveform and spectroscopy analysis system amplified signal and stretched peak using analog method. Those systems suffered from jamming easily and being kept instable. The system employed in the paper obtains the compressed waveform in time domain and the energy spectrum...
The features of Fibre Channel technology is introduced. The structure and performance of FC-AE-1553 are briefly introduced. FC-AE-1553 is compared with traditional MIL-STD-1553. The paper analyses the advantages of the application of FC-AE-1553 in future spacecraft avionics networking system. FC-AE-1553 have better network performance in high-speed, low delay, reliability, fault tolerance and determinism...
IEEE Standard 1596 Scalable Coherent Interface (SCI) a COTS technology, is one of the candidate architectures for a "Unified Network." Its basic topology is a buffer insertion ring. Messages can be transmitted concurrently on the ring, thus can achieve high throughput. But problems exist when using SCI in real-time applications. The difficulty mainly results from its buffer-insertion feature...
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