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Implementation and Evaluation of the Reference Broadcast Infrastructure Synchronization Protocol

机译：参考广播基础结构同步协议的实现和评估

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摘要

This paper describes reference broadcast infrastructure synchronization (RBIS), a clock synchronization protocol for IEEE 802.11 infrastructure wireless networks. The protocol is especially tailored for industrial and home automation networks, and in many application contexts, it offers several advantages compared with other solutions targeted at similar purposes. RBIS has been conceived to rely on conventional Wi-Fi equipment and, in particular, on unmodified access points. It is based on the master/slave approach and follows the receiver/receiver paradigm. An implementation of RBIS—carried out completely in software and based on timestamps taken at the interrupt handler level—has been developed, which achieves a synchronization error below . Then, a simple distributed hard real-time control application has been set up, which consists in two PCs running real-time application interface for Linux (RTAI) and connected through Wi-Fi. The actuation error, measured on the generation of synchronous pulses, is strictly below .
机译：本文介绍了参考广播基础结构同步（RBIS），一种用于IEEE 802.11基础结构无线网络的时钟同步协议。该协议专为工业和家庭自动化网络量身定制，并且在许多应用场合中，与针对类似目的的其他解决方案相比，它提供了许多优势。 RBIS被认为依赖于传统的Wi-Fi设备，尤其是依赖于未修改的接入点。它基于主/从方法，并遵循接收器/接收器范例。已经开发了RBIS的实现-完全在软件中执行，并且基于在中断处理程序级别获取的时间戳-在以下实现了同步错误。然后，建立了一个简单的分布式硬实时控制应用程序，其中包括两台运行Linux实时应用程序接口（RTAI）并通过Wi-Fi连接的PC。在产生同步脉冲时测得的致动误差严格低于。

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