L-band digital aeronautical communications system development status and challenges

被引：0
作者：
Zhu, Yanbo [1 ]
Wang, Zhipeng [1 ]
Guo, Kai [2 ]
Dan, Zhiqiang [1 ]
机构：
[1] School of Electronic Information Engineering, Beihang University, Beijing
[2] Institute of Artificial Intelligence, Beihang University, Beijing
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2024年 / 45卷 / 10期
基金：
中国国家自然科学基金;
关键词：
ATM modernization; aviation broadband communication; compatibility; integrated navigation and communication; LDACS;
D O I：
10.7527/S1000-6893.2023.29161
中图分类号：
学科分类号：
摘要：
The L-band Digital Aeronautical Communications System（LDACS）is a broadband，high speed and secure communication technique. It is an essential component of the air-to-ground communication system in the framework of the Future Communication Infrastructure（FCI），and is the first integrated Communication，Navigation and Surveillance（CNS）authenticate by the International Civil Aviation Organization（ICAO）. This study analyzes the development requirements for the aviation air-to-ground communication system. The status of the LDACS，including the presentation of the technique the ICAO standardization and the typical application scenarios are provided. Description of the key LDACS techniques is followed，which consist of the implement of broadband communication within limited spectrum resources，compatibility with the L-band open-sky signals，integration of navigation and communication，mobility management and multi-link access technology based on Aeronautical Telecommunication Network using Internet Protocol Suite（ATN/IPS），and the secure transmission of data. The status and challenges of the LDACS development in China is also provided. © 2024 Chinese Society of Astronautics. All rights reserved.
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