| 近距空间链路协议概述 |
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| 作者姓名： | 王娜 张建华 张国华 |
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| 作者单位： | 中国空间技术研究院西安分院,西安710000 |
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| 摘 要： | 近距链路是小范围、双向、固定或移动的无线通信链路，一般应用于无人探测器、着陆器、行星探测器及静止轨道舱之间的相互通信。文章介绍了近距空间链路协议的原理及特性，讨论了近距链路协议的层结构和传输单元（PLTU）的构成，分析了Proximity-1（近距空间链路协议）的业务类型，并对近距链路协议的应用进行了展望。
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| 关 键 词： | Proximity-1 协议 |
The Overviews on Proximity-space Link Protocol |
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| Authors: | Wang Na Zhang Jianhua Zhang Guohua |
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| Institution: | Wang Na Zhang Jianhua Zhang Guohua (China Academy of Space Technology (Xi＇an),Xi＇an 710000, China) |
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| Abstract: | Proximity-space link is short-range, bi-directional, fixed or mobile radio links which are generally used to communicate among probes, landers, rovers, orbiting constellations, and orbiting relays. The principle and characteristics of Proximity-space link protocol are introduced in this paper. The composing of PLTU and layer structures are discussed and service types of Proximity-space link protocol is analyzed, and the application on Proximity-space link protocol is prospected. |
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| Keywords: | Proximity-1 Protocol |
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