基于排队论的复杂频谱环境建模方法研究

Queuing Theory Based Complex Spectrum Environment Models in the Battlefield

提出了一种基于排队论的战场复杂频谱环境的建模方法。考虑我方飞行器协同作战系统深入敌方纵深的复杂电磁频谱环境,未知干扰源可按一定的概率和强度来对我方通信频带进行干扰,整个战场频谱干扰模型可以由一个并行服务多窗口的排队论系统来描述。进而将通信系统受干扰造成的影响与信道衰落、噪声等同时考虑,可得到战场的复杂动态频谱环境模型。经过蒙特卡罗仿真可验证该方法建立的频谱环境模型较为符合实际战场情况。

The wireless spectrum environment models in the battlefield are researched. By considering the complicated electromagnetic spectrum environment, the whole frequency band for our operational communi- cation systems can be divided into a quantity of subbands, which can be occupied by the uncharted interfer- ence sources according to certain probability and intensity. Then the whole wireless spectrum environments can be performed by using the multi-window parallel service queuing system. The probability distribution function of the state of queuing system can be derived by its Markov state transition diagram. According to the interfering queuing system, the battlefield wireless spectrum environments can be modeled by involving the effect of channel fading and noise. By applying the Monte Carlo simulation, the rationality of this wire- less spectrum environments model can be verified.