Symmetry Chirp Spread Spectrum Modulation Used in LEO Satellite Internet of Things

被引：49
|
作者：
Qian, Yubi [1 ,2 ,3 ]
Ma, Lu [4 ]
Liang, Xuwen [2 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai 100049, Peoples R China
[2] Chinese Acad Sci, Shanghai Engn Ctr Microsatellites, Shanghai 100049, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Shanghai SpaceOK Aerosp Technol Co Ltd, Shanghai 201802, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2018年 / 22卷 / 11期
关键词：
loT; LEO Satellite; NB-IoT; LoRa; CSS; SCSS;
D O I：
10.1109/LCOMM.2018.2866820
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
With the development of Internet of Things (IoT), the world gradually moves toward the interconnection of all things. In terrestrial networks, narrowband-IoT and Long Rage (LoRa) are used widely in the IoT industry. For low-earthorbit (LEO) satellites, they have a lot of conspicuous advantages, such as broader coverage and lower construction cost. In this letter, we place emphasis on the application of LoRa-related technologies to LEO satellite communication systems, and the modulation is the prior research. Chirp spread spectrum (CSS) modulation is the most important technology in LoRa. Therefore, the research of CSS modulation used in the satellite IoT is imperative.
引用
收藏
页码：2230 / 2233
页数：4
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