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Design of a Beyond-Line-of-Sight Microwave Propagation Study Across the Gulf of Mexico

机译:跨墨西哥湾的超视距微波传播研究的设计

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The Florida Department of Transportation (FDOT) Intelligent Transportation System (ITS) uses statewide, redundant, physically separate, fiber and microwave communications networks for mission critical services. However, there are two specific geographical regions that do not support redundant, physically separate networks. These two regions are the Florida panhandle and the Florida Keys. It may be possible to remove this vulnerability and implement a redundant communication path by utilizing a beyond Line-of-Sight(b-LoS) microwave link. A b-LoS microwave link uses the atmospheric evaporative duct which can be present immediately above large bodies of water. A propagation study project is underway that will investigate using this evaporative duct to create a 500-mile microwave link, across the Gulf of Mexico, between Key West and Destin, Florida. Such a link could potentially create an opportunity to introduce redundancy for both vulnerable geographic regions at the same time. This study will require the remote operation of two temporary microwave propagation test stations over an extended period. The separate transmit and receive test stations will use two candidate microwave frequencies for one-way link tests between the two locations. At the end of the propagation study, the results will be published and recommendations on next steps will be presented to the FDOT.
机译:佛罗里达州交通运输部(FDOT)的智能交通系统(ITS)使用全州范围的,冗余的,物理上分开的光纤和微波通信网络来提供关键任务服务。但是,有两个特定的地理区域不支持冗余的,物理上分离的网络。这两个地区是佛罗里达人的把手和佛罗里达群岛。通过利用超出视线(b-LoS)的微波链路,可以消除此漏洞并实现冗余的通信路径。 b-LoS微波链路使用大气蒸发管,该蒸发管可直接存在于大片水体上方。一项传播研究项目正在进行中,该项目将研究使用该蒸发管在基韦斯特和佛罗里达州德斯廷之间跨墨西哥湾创建一个500英里的微波链路。这样的链接可能会创造机会同时为两个易受攻击的地理区域引入冗余。这项研究将需要在延长的时间内对两个临时微波传播测试站进行远程操作。分开的发射和接收测试站将使用两个候选微波频率在两个位置之间进行单向链路测试。在传播研究结束时,将公布结果,并将有关下一步的建议提交给FDOT。

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