一种TTE固化点排序方法研究

Research on a Sort Method of TTE Permanence Point

时间触发以太网(TTE)以高精度时钟同步为基础,具备高可靠实时传输和无冲突确定访问的优点,适用于下一代航空航天电子系统强实时性、高确定性的通信需求.固化点排序用于还原各网络节点的时钟偏差,是高精度时钟同步的关键.本文提出一种TTE固化点二分插入排序方法,具有固化点实时收集排序、高可靠性、时间复杂度小等优点.仿真实验证明,该方法能高效地完成固化点排序,具有促使TTE网络时钟同步的作用.

Time-triggered Ethernet （rITE） is based on high-precision clock synchronization, with the advantages ofhighly reliable real time transmission and conflict-free determinately access, which can meet the communicationrequirements of the next generation of aerospace electronic systems to be strong real-time and high certainty.Permanence point ordering is used to restore the clock deviation of each network node, is a key step for high-precision clock synchronization. In this paper, a binary insert ordering method of TI＇E permanence points isproposed, which has the advantages of real-time collection and sorting of permanence point, high reliability and lowtime complexity. The simulation shows that the design can efficiently accomplish the ordering of permanence points,and has the effect to promote clock synchronization of TTE network.