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Broadband Hybrid Satellite-Terrestrial Communication Systems Based on Cognitive Radio toward 5G

机译：基于认知无线电的面向5G的宽带混合卫星-地面通信系统

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The development of 5G terrestrial mobile communications technology has been a driving force for revolutionizing satellite mobile communications. Satellite mobile communications, which carry many unique features, such as large coverage and support for reliable emergency communications, should satisfy the requirements for convergence between terrestrial mobile communications and satellite mobile communications for future broadband hybrid S-T communications. On the other hand, CR is an attractive technique to support dynamic single-user or multi-user access in hybrid S-T communications. This article first discusses several key issues in applying cognitive radio to future broadband satellite communications toward 5G. Then we present an overview of future broadband hybrid S-T communications systems, followed by an introduction to a typical application scenario of futuristic CR-broadband hybrid S-T communication systems toward 5G. Moreover, we propose a space segment design based on a spectrum-sensing-based cooperative framework, in consideration of the presence of MUs. An experiment platform for the proposed CR-based hybrid S-T communications system is also demonstrated.
机译：5G地面移动通信技术的发展一直是彻底改变卫星移动通信的动力。卫星移动通信具有许多独特的功能，例如覆盖范围广，并支持可靠的紧急通信，应满足地面移动通信和卫星移动通信之间融合的要求，以实现未来的宽带混合S-T通信。另一方面，CR是在混合S-T通信中支持动态单用户或多用户访问的一种有吸引力的技术。本文首先讨论了将认知无线电应用于未来面向5G的宽带卫星通信中的几个关键问题。然后，我们概述了未来的宽带混合S-T通信系统，然后介绍了面向5G的未来派CR宽带混合S-T通信系统的典型应用场景。此外，考虑到MU的存在，我们提出了一种基于频谱感知的协作框架的空间段设计。还演示了针对所提出的基于CR的混合S-T通信系统的实验平台。

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