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Due to the transmission speed limitation of MIL-STD-1553B, no support for large data transmission especially, many departments have tried to improve the MIL-STD-1553B protocol. On this background, it is a necessity to develop a flexible and scalable simulation system to meet the demands of validating the improved protocol. Based on multi-thread technique, this paper designs an integrated MIL-STD-1553B...
Manchester II coding is now widely used in many aerospace and aeronautics bus protocols. In all these protocols, the maximum data transfer rate is less than 20Mbps. Due to lack of core physical interface (PHY), higher data transfer rate can not be achieved, and key system performance can not be raised as well. To break this bottleneck, a new type fiber-optic bus PHY was designed and implemented. In...
This paper presents some real-time concepts as they are found in the AADL language and proposes their expression in two formalisms suitable for formal analysis: FIACRE which is based on timed transition systems and TASM which extends abstract state machines with resource consumption mechanisms.
In wireless sensor networks, congestion occurs when every sensor node will send the event it has sensed to a sink node. This operation makes the sensors closer to the sink, resulting in congestion. Congestion may cause packets loss, lower network throughput and sensor energy waste. In this paper, we propose a hybrid congestion control protocol that considers not only the packets delivery rate but...
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