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Outage performance of dual branch diversity techniques in broadband fixed wireless access networks

机译:宽带固定无线接入网中双分支分集技术的中断性能

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摘要

New physical??mathematical models for the calculation of the outage probability of the maximal ratio combining and selection combining dual branch spatial diversity schemes for broadband fixed wireless access networks operating above 10 GHz are presented. At these frequency bands and considering line-of-sight conditions, rain attenuation is the dominant fading mechanism, which should be taken into account in the radio communications system design. The models are based on bivariate inverse Gaussian (IG) distribution and on the adoption of a spatial correlation coefficient for the convergent terrestrial wireless links. IG distribution has been shown that models accurately the rain attenuation fading for both temperate and tropical climatic regions. The models are validated with numerical results and some useful conclusions are drawn.
机译:提出了一种新的物理数学模型,用于计算在10 GHz以上工作的宽带固定无线接入网的最大比率合并和选择合并双分支空间分集方案的中断概率。在这些频带上并考虑视线条件,降雨衰减是主要的衰落机制,在无线电通信系统设计中应考虑在内。这些模型基于双变量逆高斯(IG)分布,并且基于会聚地面无线链路的空间相关系数。 IG分布已经显示出可以准确地模拟温带和热带气候地区的降雨衰减衰减。数值结果验证了模型的有效性,得出了一些有用的结论。

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  • 来源
    《Communications, IET》 |2014年第9期|1648-1653|共6页
  • 作者单位

    Mobile Radio Communications Laboratory, School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece|c|;

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