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Indoor planning and optimization of LTE-U radio access over WiFi

机译：通过WiFi进行室内规划和LTE-U无线电访问的优化

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The pursuit of more bandwidth and more efficient spectrum usage has led to consider the use of Long Term Evolution (LTE) technology in unlicensed frequency bands, a concept known as LTE-Unlicensed (LTE-U). This feature would be especially useful in hot-spots and indoors, where short-range pico-base stations could be used. However, indoor WiFi on unlicensed bands calls for coexistence mechanisms between LTE and WiFi. Accordingly, methods including listen-before-talk, advanced channel selection, duty-cycle, and variations of them, have been proposed. While these protocols are of great importance, we are approaching the coexistence issue from the radio access planning/optimization point of view by presenting a statistical system model for LTE-U indoor planning. The proposed optimization framework allows to obtain network topologies that maximize the benefits from the LTE-U deployment and fulfill coverage criteria. The performance of the statistically-optimized network topologies has also been validated by means of system level simulations.
机译：对更多带宽和更有效频谱使用的追求已导致考虑在免许可频段中使用长期演进（LTE）技术，这一概念被称为LTE-免许可（LTE-U）。此功能在热点和室内可以使用短距离微微基站的情况下特别有用。但是，无执照频段上的室内WiFi要求LTE和WiFi之间存在共存机制。因此，已经提出了包括通话前监听，高级信道选择，占空比以及它们的变化的方法。尽管这些协议非常重要，但我们正在通过提出用于LTE-U室内规划的统计系统模型，从无线电接入规划/优化的角度来解决共存问题。提出的优化框架允许获得使LTE-U部署的收益最大化并满足覆盖标准的网络拓扑。统计优化网络拓扑的性能也已通过系统级仿真得到了验证。

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