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Capacity of Interference Exploitation Schemes in Multibeam Satellite Systems

机译:多滨卫星系统中干扰开发方案的能力

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摘要

In this paper, we propose a framework, based on the combined use of single- and multiuser detection, to jointly optimize the achievable rates of two signals sharing the same frequency in the forward link of a multibeam satellite system. We then propose the application of the described framework to two different scenarios of interest. First, we consider a uniform coverage scenario, aimed at maximizing the average throughput per beam in a realistic coverage condition. We compare different solutions based on alternative frequency reuse (FR) schemes and different receiver strategies. We demonstrate that the use of multiuser detection can achieve significant gains over a reference strategy based on single-user detection. Next, we analyze a "hotspot" case, where resources are pulled from empty beams to serve a beam with a high service demand. Also in this case, we compare several strategies and FR schemes. We show that the best performance is achieved by a scheme adopting three colors and single-user detection.
机译:在本文中,我们提出了一个框架,基于单次和多用户检测的组合使用,共同优化了在多阵线卫星系统的前向链路中共享相同频率的两个信号的可实现率。然后,我们建议将所述框架的应用应用于两个不同的感兴趣的情景。首先,我们考虑一个统一的覆盖场景,旨在在现实的覆盖条件下最大化每个波束的平均吞吐量。我们基于替代频率重用(FR)方案和不同的接收器策略来比较不同的解决方案。我们证明使用多用户检测可以通过基于单用户检测来实现参考策略的显着增益。接下来,我们分析“热点”案例,其中从空光束拉动资源,以提供具有高服务需求的光束。同样在这种情况下,我们比较了几种策略和FR方案。我们表明,通过采用三种颜色和单用户检测的方案实现了最佳性能。

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