Multi-Satellite Relay Transmission in 5G: Concepts, Techniques, and Challenges

被引：86
作者：
Bai, Lin [1 ,2 ]
Zhu, Lina [1 ,2 ]
Zhang, Xuejun [1 ,2 ]
Zhang, Wei [4 ]
Yu, Quan [1 ,3 ]
机构：
[1] Beihang Univ, Beijing, Peoples R China
[2] Beijing Lab Gen Aviat Technol, Beijing, Peoples R China
[3] Inst Chinese Elect Equipment Syst Engn Corp, Beijing, Peoples R China
[4] Univ New South Wales, Sydney, NSW, Australia
来源：
IEEE NETWORK | 2018年 / 32卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
SYSTEMS; NETWORKS;
D O I：
10.1109/MNET.2018.1800038
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The demands of 5G mobile communications, such as higher throughput and lower latency in future communications, has promoted more advanced communication technologies and heterogeneous network integration. Satellite communication has been recently considered as a key part of 5G for the benefits of meeting the availability and ubiquitous coverage requirements targeted by 5G. As a potential 5G technology, multi-satellite cooperative transmission systems have been studied, as they can provide the high throughput brought by virtual multiple-input multiple-output structures. In this article, we briefly review the concepts and techniques of multi-satellite cooperative transmission systems in 5G. Moreover, the architectures of two multi-satellite relay transmission systems based on TDMA and NOMA are introduced. In particular, we focus more on the performance evaluation and research challenges of the TDMA-based architecture to explore its system optimizing approach. Finally, to exploit the full potential of multi-satellite systems in 5G networks, future trends and challenges are discussed.
引用
收藏
页码：38 / 44
页数：7
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