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

机译：WiFi上LTE-U无线电接入的室内规划和优化

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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：追求更多带宽和更高效的频谱使用导致考虑在未经许可频段中使用长期演进（LTE）技术，该概念称为LTE-Unlised（LTE-U）。此功能在热点和室内特别有用，可以使用短程微微基站。但是，在未经许可的频段上的室内WiFi要求LTE和WiFi之间的共存机制。因此，已经提出了包括倾听前谈话，高级信道选择，占空比和它们的变体的方法。虽然这些协议具有重要意义，但我们通过呈现LTE-U室内规划的统计系统模型来从无线电接入计划/优化角度接近共存问题。所提出的优化框架允许获得从LTE-U部署和满足覆盖标准的最大化益处的网络拓扑。通过系统级模拟验证了统计上优化的网络拓扑的性能。

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