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A Multiple-Ring Model for Cognitive Radio Aggregate Interference

机译:认知无线电聚合干扰的多环模型

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摘要

This paper proposes a new, flexible, multiple ring model for the aggregate interference analysis of a Poisson field of cognitive radio transmitters distributed over an annular region. For Rayleigh fading or composite Rayleigh fading and Gamma shadowing environments, the moment generating function of the aggregate interference and the exact and asymptotic analysis of the outage are derived for the model. Typically, the model is most accurate for larger guard distances and lower path loss exponents. However, its parameters can be tuned such that a required accuracy is obtained for a trade-off in complexity.
机译:本文提出了一种新的,灵活的,多环模型,用于对分布在环形区域上的认知无线电发射机的泊松场进行总干扰分析。对于瑞利衰落或复合瑞利衰落和伽玛阴影环境,该模型推导了总干扰的矩生成函数以及中断的精确和渐近分析。通常,对于较大的保护距离和较低的路径损耗指数,该模型最为准确。但是,可以调整其参数,以便获得所需的精度以权衡复杂性。

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