摘要

In this work, we argue against the common belief that millimeter-wave (mmwave) technology is not a viable option for building general purpose indoor WLANs due to the high directionality and susceptibility to blockage of 60GHz links. Our initial experiments, with commodity 802.11ad hardware, present a very encouraging picture, as far as range and blockage by commonly found materials in indoor WLAN environments is concerned. We observe that, while a typical indoor environment presents unique challenges in terms of presence of obstacles, it also provides communication opportunities with multiple available paths between the sender and receiver through the abundance of reflective surfaces. Our results clearly indicate that previously reported observations regarding 60GHz links inside datacenters or outdoor picocells do not apply to an indoor WLAN setup and thus motivate further work towards building multi-Gigabit indoor 802.11ad WLANs.
机译:在这项工作中,我们反对普遍的观点,即毫米波(mmwave)技术由于高度的方向性和60GHz链路的易感性,对于构建通用室内WLAN并不是可行的选择。就涉及室内WLAN环境中常见材料的范围和阻塞而言,我们使用商品802.11ad硬件进行的初步实验呈现出令人鼓舞的景象。我们观察到,尽管典型的室内环境在存在障碍方面提出了独特的挑战,但它也通过大量的反射表面为发送者和接收者之间的多个可用路径提供了通信机会。我们的结果清楚地表明,先前报告的有关数据中心或室外微微小区内部60GHz链路的观察结果不适用于室内WLAN设置,因此会促使人们进一步努力建设多千兆位室内802.11ad WLAN。

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