Variable Data Rate Architectures in Optical LEO Direct-to-Earth Links: Design Aspects and System Analysis

被引：3

作者：

Arapoglou, Pantelis-Daniel ^{[1
]}

Colavolpe, Giulio ^{[2
,3
]}

Foggi, Tommaso ^{[2
,3
]}

Mazzali, Nicolo ^{[1
]}

Vannucci, Armando ^{[2
,3
]}

机构：

[1] European Space Agcy, Radio Frequency Syst Div, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands

[2] Univ Parma, Dept Engn & Architecture, I-43124 Parma, Italy

[3] CNIT Res Unit, I-43124 Parma, Italy

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2022年 / 40卷 / 16期

关键词：

Optical fiber communication; Symbols; Synchronization; Optical refraction; Optical feedback; Optical attenuators; Optical receivers; Free space optics; low Earth orbits (LEO) satellite communications; Variable Data Rate (VDR); CLOCK RECOVERY;

D O I：

10.1109/JLT.2022.3177244

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the frame of ongoing efforts between space agencies to define an on-off-keying-based optical low-Earth-orbit (LEO) direct-to-Earth (DTE) waveform, this paper offers an in-depth analysis of the Variable Data Rate (VDR) technique. VDR, in contrast to the currently adopted Constant Data Rate (CDR) approach, enables the optimization of the average throughput during a LEO pass over the optical ground station (OGS). The analysis addresses both critical link level aspects, such as receiver (time, frame, and amplitude) synchronization, as well as demonstrates the benefits stemming from employing VDR at system level.

引用

页码：5541 / 5556

页数：16

共 39 条

[1] Improving the Performance of Variable Data Rate Architectures for Optical LEO Direct-to-Earth Links
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