Space-Time Stochastic Rain Fading Channel for Multiple LEO or MEO Satellite Slant Paths

被引：9
|
作者：
Kourogiorgas, Charilaos, I [1 ]
Panagopoulos, Athanasios D. [1 ]
机构：
[1] Natl Tech Univ Athens, Sch Elect & Comp Engn, GR-15773 Athens, Greece
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2018年 / 7卷 / 03期
关键词：
Satellite communications; rain attenuation; MEO satellites; LEO satellites; multi-dimensional stochastic differential equations; DYNAMIC-MODEL; ATTENUATION; SYSTEMS; KA; PERFORMANCE; STATISTICS; BANDS; KU;
D O I：
10.1109/LWC.2017.2772248
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a novel time series synthesizer of rain attenuation is proposed which incorporates the spatial correlation of rain attenuation for multiple Low Earth Orbit or Medium Earth Orbit (MEO) satellite links. The model is based on the multi-dimensional stochastic differential equations (SDEs) and it extends the well-known Maseng-Bakken model for multiple Earth-LEO or MEO satellite links. Analytical expressions, for the prediction of the joint exceedance probability of rain attenuation induced in LEO or MEO slant paths, are given. Moreover, multi-dimensional SDEs are proposed and the solution of the SDEs is used for the generation of time series of rain attenuation for spatially time-dependent correlated slant paths correlated in spatial domain. The synthesizer is validated with the theoretical expressions for the calculation of joint first order statistics of rain attenuation in various diversity schemes.
引用
收藏
页码：284 / 287
页数：4
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