一、我国宽带无线应急通信系统建设的必要性所谓应急通信系统,就是无论何时何地,无论当地现有通信状况好坏,都可迅速地建立并稳定使用的通信系统。传统的应急通信通常是指语音通信保障,随着技术的进步,应急 I. The Necessity of Establishing a Broadband Wireless Emergency Communication System in China The so-called emergency communication system is a communication system that can be established and used stably no matter when and wherever it is, regardless of whether the existing local communication conditions are good or bad. Traditional emergency communications usually refers to the protection of voice communications, as the technology advances, emergency