Hybrid FSO/RF communications system demonstrated across degraded 30 km link with integrated commercial radio

被引：0
|
作者：
Youssef, Raef [1 ]
Patel, Krunal [1 ]
O'Toole, Michelle [1 ]
Voshell, Andrew [1 ]
Newell, Katherine [1 ]
Malowicki, John [2 ]
机构：
[1] Johns Hopkins Univ Appl Phys Lab JHU APL, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA
[2] US Air Force Res Lab, 26 Elect Pkwy, Rome, NY 13441 USA
来源：
FREE-SPACE LASER COMMUNICATIONS XXXVI | 2024年 / 12877卷
关键词：
hybrid communication; retransmission; free space optics; quality of service;
D O I：
10.1117/12.2692399
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Radio frequency (RF) communication, while reliable, is capacity limited and faces heavy spectrum regulation. In contrast, free space optical (FSO) communication provides multi-Gbit/s rates without spectrum allocation. Yet, FSO communication experiences link degradation due to clouds, fog, beam misalignment, and line of sight blockages. This paper reviews the development of a layer 2 modem that combines both RF and FSO links seamlessly with error-free transmission and quality of service (QoS) capabilities. Test data collected on a 30 km terrestrial link demonstrates modem integration with a commercial RF link and provides insight on the QoS system performance.
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页数：9
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