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分析了北约STANAG 4538标准快速建链机制(FLSU)的技术特点。FLSU机制融合了呼叫建链与业务建链过程,并将呼叫信道与业务信道合并,有效地提升了建链效率和业务传输效率。通过建立短波自组织网的仿真场景和FLSU机制的仿真模型,分析了该机制的性能,并且与141B标准的3G ALE机制进行对比分析。仿真结果表明,FLSU机制在网络负载较轻时,性能有明显优势。网络负载饱和时,FLSU机制性能明显降级。因此,FLSU机制的使用应与短波通信的应用需求结合。
The technical characteristics of the NATO STANAG 4538 Standard Rapid Linkage Mechanism (FLSU) are analyzed. The FLSU mechanism integrates the process of call link establishment and service link establishment, and combines the call channel and the service channel to effectively improve the efficiency of link establishment and service transmission. Through the establishment of the simulation scenario of shortwave self-organizing network and the simulation model of FLSU mechanism, the performance of this mechanism is analyzed and compared with 141B standard 3G ALE mechanism. Simulation results show that the FLSU mechanism has obvious performance advantages when the network load is light. When the network load is saturated, the performance of FLSU mechanism is obviously degraded. Therefore, the use of the FLSU mechanism should be combined with the application requirements of HF communications.