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Impact of Correlation between Link Blockages on Macro-Diversity Gains in mmWave Networks

机译：链路阻塞与MMWAVE网络中宏观多样性收益之间的影响

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摘要

Blocking objects between a transmitter and receiver cause the transition of wireless communication links from line-of-sight (LOS) to non-line-of-sight (NLOS) propagation. This reduces the received power, particularly at higher frequencies such as millimeter wave (mmWave). We consider a form of macro-diversity in a mmWave cellular network in which a mobile user attempts to connect to two base stations (BSs) simultaneously, to increase the probability of having at least one LOS link. We develop a framework for determining the LOS probability when taking into account the correlation between blockages: for example, a single blockage close to the device could block multiple BSs. We also show that the BS density must scale as the square of the blockage density to maintain a given level of LOS probability.
机译：阻塞发射器和接收器之间的对象导致无线通信链路从视域（LOS）转换到非视线（NLOS）传播。这降低了所接收的功率，特别是在较高频率（例如毫米波）（MMWAVE）上。我们考虑在MMWAVE蜂窝网络中的一种形式的宏观分量，其中移动用户同时尝试连接到两个基站（BSS），以增加具有至少一个LOS链路的概率。我们开发一个框架，用于在考虑堵塞之间的相关性时确定LOS概率：例如，靠近设备的单个块可以阻止多个BSS。我们还表明BS密度必须刻度为阻塞密度的平方，以维持给定水平的LOS概率。

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