Reliability and determinism of Wi-Fi can be tangibly improved by means of seamless redundancy, to the point of making this technology suitable for industrial environments. As pointed out in recent papers, the most benefits can be achieved when no phenomena can simultaneously affect transmissions on all channels of a redundant link. In this paper, several aspects are analyzed which, if not properly counteracted, may worsen seamless redundancy effectiveness. Effects they cause on communication have been experimentally evaluated in real testbeds, which rely on commercial Wi-Fi devices. Then, practical guidelines are provided, which aim at preventing joint interference through a careful system design. Results show that measured communication quality can be made as good as expected in theory.
翻译：Wi-Fi的可靠性和确定性可以通过无缝冗余方式得到明显改善,使这种技术适合工业环境。正如最近的论文所指出,当没有现象能够同时影响冗余链接所有渠道的传输时,可以取得最大的好处。在本文件中,分析了若干方面,如果不加以适当抵制,它们可能会加剧无缝冗余的功效。它们给通信带来的影响已经在实际测试台进行了实验性评价,这些测试台依靠商业无线网络装置。然后,提供了实用的指导方针,旨在通过谨慎的系统设计防止联合干扰。结果显示,衡量的通信质量可以达到理论上的预期。
相关内容
微信扫码咨询专知VIP会员