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With the development of weapons equipment, operational concepts, and communication technology, data link technology is updated constantly. Data link plays an important role in the trend of "no link, no missile" no missile, no war" in air combat. Hypersonic vehicles have become the commanding heights in the air combat system due to their unique characteristics, such as high speed and cross-domain. Data link technology provides support for maximizing the operational effectiveness of hypersonic vehicles. Conversely, the development of hypersonic vehicles broadened the boundaries of data link technology, and the requirements for index parameters (such as transmission rate, throughput, packet loss rate, and delay) vary in different combat missions. In recent years, the rapid development of emerging technologies such as 5G, the Internet of Things, cloud computing, and artificial intelligence has accelerated the continuous advancement of battlefield situational awareness from physical domains, and information domains to cognitive domains. Based on a review of the development of data links, this paper analyzes the challenges faced by hypersonic aircraft data links, which have the characteristics of large envelope flight. This paper discusses the top-level requirements and key technologies of the hypersonic vehicle data link. |
