The air and space information network is an important infrastructure for promoting social and economic development and safeguarding national security.The airspace information network constitutes an integrated network architecture of land-based network,satellite network and aviation network,deeply coupling communication,navigation,remote sensing and other functions to realize efficient transmission of information and high-precision location services.This article elaborates on the challenges it faces and analyzes the current development status of various wireless network communication-navigation integrated positioning technologies such as satellite networks,mobile communication networks,and local communication networks.It proposes that multi-network integration method that can enhance the reliability of indoor and outdoor wide-area seamless and high-precision location services.The 5G mobile communication network is utilized to combine with the BDS/GNSS satellite navigation system to realize mutual enhancement.Finally,the future development trend of communication-navigation integrated positioning technology in the air-space information network is discussed in terms of the space-ground integrated positioning navigation and timing system and the bionic communication-positioning and navigation.
关键词
空天信息网络/通导融合/多网融合/5G
Key words
Airspace Information Network/Communication-Navigation Integrated/Multi-Network Integration/5G
维普
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