基于TDMA的星载SpaceWire网络信道资源调度方法

I. Korobkov
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引用次数: 0

摘要

本文提出了一种支持TDMA技术的SpaceWire板载网络信道资源调度的新方法。考虑了基于SpaceWire网络标准和STP-ISS传输协议的网络特性,STP-ISS传输协议以“调度”机制的形式提供TDMA技术。当两个或多个设备同时试图传输数据,占用有限的信道资源时,这种机制用于网络,目的是提供确定性,解决冲突和阻塞。比较分析了现有的信道资源调度方法和算法,设计了调度表。提出并验证了SpaceWire星载网络中信道资源调度的一种新方法。使用对航天工业具有重要意义的参数进行了性能评估。验证了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Method of scheduling channel resources for onboard SpaceWire networks with TDMA
The article presents a new method for scheduling channel resources in SpaceWire onboard networks with support for TDMA technology. The network features based on the SpaceWire network standard and the STP-ISS transport protocol, which provides TDMA technology in the form of the «Scheduling» mechanism, were considered. This mechanism is used in networks with the goal of providing determinism, resolving conflicts and blocks when two or more devices are simultaneously trying to transmit data, occupying a limited channel resource. A comparative analysis of existing methods and algorithms for scheduling channel resources to design a schedule table was conducted. A new method of scheduling channel resources in SpaceWire onboard networks was presented and substantiated. A performance evaluation was carried out using the parameters significant for the space industry. It demonstrates the effectiveness of the developed method.
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