一种短波宽带快速建链协议设计

Fast Link-Establishment Protocol for WBHF

随着宽带波形和宽带数字化通信技术的发展,传统的短波建链模式已不能满足特定的宽带业务需求。如何实现短波宽带快速建链,是推动短波通信系统发展的关键之一。因此,设计一种针对实时话音或短消息的短波宽带快速建链协议,将信号带宽从传统的3 kHz发展到12 kHz。对短波全频段通信系统架构进行简要介绍,详细阐述了建链协议中协议数据单元结构、建链状态转移过程、波形设计和时序分析,并进行了仿真分析。结果表明,所提方案提高了建链速率和建链可靠性。

With the development of wideband waveform and wideband digital communication technology, the traditional mode of HF(High Frequency) link-establishment can no longer meet the specific needs of wideband service. The key to the development of HF communication system is how to realize fast linkestablishment for WBHF(Wideband High Frequency). Therefore, this paper designed a wideband fast linkestablishment protocol for real-time voice or short message, which developed the channel bandwidth from the traditional 3 kHz to 12 kHz. This paper briefly introduced the system architecture of HF full-band receiver, and elaborated the protocol data unit structure in the link-establishment protocol, link-establishment state transition process, waveform designing and time series analysis. Finally, the simulation analysis is carried out. The results indicate that the proposed scheme can improve the speed and reliability of linkestablishment.