CAJ | 학술논문

针对现有应急通信系统调制模式单一、容易造成通信失效的问题，提出一种基于软件无线电的应急通信系统。分析了应急通信系统的系统需求，详细介绍了系统的软硬件设计，讨论了系统所利用到的软件无线电中的关键技术。在一个通用硬件平台上，通过调用相应的软件模块，能够实现多种调制模式的自动识别和调制解调。实验证明，该系统具有较高的调制模式识别率，有效解决了应急事件发生时出现的通信失效问题。
침대현유응급통신계통조제모식단일、용역조성통신실효적문제，제출일충기우연건무선전적응급통신계통。분석료응급통신계통적계통수구，상세개소료계통적연경건설계，토론료계통소이용도적연건무선전중적관건기술。재일개통용경건평태상，통과조용상응적연건모괴，능구실현다충조제모식적자동식별화조제해조。실험증명，해계통구유교고적조제모식식별솔，유효해결료응급사건발생시출현적통신실효문제。
This paper proposes an emergency communication system based on software defined radio , which aims at the prob-lem of communication failure caused by single modulation mode of existing emergency communication system . It analyses the re-quirements of emergency communication system , discusses the key technologies of Software Defined Radio and introduces the hard-ware and software design of the system . In a general hardware platform , it can realize the automatic identification of multi-modula-tion mode and modulation-demodulation by calling the corresponding software modules . The experiment result proves that this sys-tem has a higher recognition rate , which can effectively solve the problem of communication failure in the emergency event .