地震应急通信需要快速灵活组网、覆盖范围大、支持业务种类多,现有的应急通信手段都有一定的局限性,Ad Hoc网络无中心、自组织、多跳路由的特点非常适合于地震现场的无线组网,可以很好地弥补这些局限性,本文分析了Ad Hoc网络的通信机制,对Ad Hoc网络结构、路由技术作了说明,并探讨了在地震应急通信中的应用。 Earthquake emergency communications need fast and flexible networking, covering a wide range of business types to support the existing emergency communications means have some limitations, Ad Hoc network centerless, self-organizing, multi-hop routing is very suitable for the characteristics of the earthquake site This paper analyzes the communication mechanism of Ad Hoc network, describes the Ad Hoc network structure and routing technology, and discusses the application in the earthquake emergency communications.