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TTEthernet is a deterministic, synchronized and congestion-free network protocol based on the Ethernet standard and compliant with the ARINC 664p7 standard network. It supports safety-critical real-time applications by offering different traffic classes: static time-triggered (TT) traffic, rate-constrained (RC) traffic with bounded end-to-end latencies and best-effort traffic, for which no guarantees...
There are some classical routing protocols for WSNs (Wireless Sensor Networks) such as LEACH [3] and PEGASIS [5]. However, these protocols may have some problems in delay or energy consumption. In this paper, a novel routing protocol called DCEE (Delay-Constrained and Energy-Efficient) multi-hop routing protocol is proposed, which has high performance in delay and energy cost. In DCEE, through the...
This paper presents the new result in the Trajectory approach when considering more than one packet of a sporadic flow is overstocked on an output port for an AFDX network, using the FIFO assumption. The principal contribution is to compute upper bounds of end-to-end delays for the processing flows by the recursive calculation of interference time windows. The paper proposes a memo recursive computation...
On-demand routing protocols, which are widely used in mobile ad hoc networks, are mostly proposed to build and maintain a single route for each source-destination pair. Whenever an active route fails due to node mobility, a new route discovery process will be invoked. This leads to network performance degradation. To alleviate this problem, a novel Stable On-demand Multipath Routing (SOMR) protocol...
In this paper we consider prioritized maximal scheduling in multi-hop wireless networks, where the scheduler chooses a maximal independent set greedily according to a sequence specified by certain priorities. We show that if the probability distributions of the priorities are properly chosen, we can achieve the optimal (maximum) stability region using an i.i.d random priority assignment process, for...
The DFT-MSN protocol tailored for DTMSNs is deeply analyzed in this paper, and we propose an efficient improved DFT-MSN protocol (IDFT-MSN). Our simulation results show that, comparing with the DFT-MSN data delivering protocol, IDFT-MSN achieves a relatively higher message delivery ratio with lower transmission overhead and data delivery delay.
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