摘要
面向不断涌现的新型应用和业务需求,空天地海一体化网络具有全域覆盖、高效灵活、弹性可靠等优势,为众多领域的多样化业务场景提供智能、协同、高效的泛在信息服务,是未来移动通信系统的重要组成部分.首先,分析了空天地海一体化的国内外发展现状、网络架构及其面临的需求挑战;然后,以海量差异化业务的承载需求为驱动力,研究了网络切片、移动边缘计算、通感算一体化关键网络技术;最后,从智能化、融合化、安全化角度探讨了未来空天地海一体化发展方向.
Abstract
Facing the emerging novel applications and service demands,space-air-ground-sea integrated network of-fers advantages such as global coverage,high efficiency,flexibility,elasticity,and reliability.It provides intelligent,collaborative,and efficient ubiquitous information services for diverse service scenarios in many fields,and is an im-portant part of future mobile communication system.Firstly,the domestic and international development status,net-work architecture,demands,and challenges of space-air-ground-sea integration were analyzed.Then,driven by the de-mand for carrying massive diverse services,key network technologies,including network slicing,mobile edge com-puting,and communication-sensing-computing integration,were investigated.Finally,the future development direc-tion of space-air-ground-sea integration was discussed from the perspectives of intelligence,integration,and security.
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