4G移动通信技术在战术通信中的应用研究

当前4G移动通信技术发展突飞猛进,与之形成鲜明对比的是战术通信系统发展缓慢。把先进民用技术引进到战术通信中,不仅符合军民融合的趋势,而且还能迅速提升战术通信系统的性能。LTE和WiMAX作为4G宽带无线通信系统标准,采用了大量创新传输技术,例如OFDM和MIMO,使传输性能相对3G系统得到大幅提升。二者均采用了全IP体系结构和面向连接的传输特性,使业务QoS和传输时延性能得到了很好的保证。首先对4G移动通信的LTE和WiMAX标准进行概述,然后提炼出可以使用到战术通信系统中的关键技术,并分析这些关键技术在战术通信中面临的挑战和相应的改进技术,最后介绍了4G在战术通信使用方向并就军民融合进行展望。

Application of 4G Mobile Communication Technologyin Tactical Communication System

With the rapid development of 4G technology in recent years,the tactical communication,however,evolves slowly.The introduction of advanced civil technologies into military tactical communication could accord with the trend of civil and military fusion and enhance the capability of tactical communication. LTE and WiMAX, as 4G standard, benefit a lot from many advanced transmission technologies including OFDM and MIMO, thus resulting in a great improvement on throughput over 3G system. In addition, LTE and WiMAX,with IP-based architecture and connection-oriented features,could guarantee the QoS and transfer-latency performance. Firstly, the standard of LTE and WiMAX are briefed and the critical technologies are overviewed. Then the key technologies suitable for tactical wireless network are presented, the challenges and modifications discussed when these advanced technologies adopted in tactical communication system. Finally, the applications of 4G in tactical communication system are summaried and the trend of civil and military fusion forecasted.