JTIDS(Joint Tactical Information Distribution System)即联合战术信息分发系统,是美国陆海空三军为了应对联合作战而开发的具有相对导航、敌我识别、任务管理、武器协同、目标监视、保密话音和指挥控制能力的一种大容量、保密、抗干...JTIDS(Joint Tactical Information Distribution System)即联合战术信息分发系统,是美国陆海空三军为了应对联合作战而开发的具有相对导航、敌我识别、任务管理、武器协同、目标监视、保密话音和指挥控制能力的一种大容量、保密、抗干扰、时分多址的战术信息分发系统。为了应对未来不可预知的战争,对JTIDS数据链系统的干扰技术进行研究是势在必行的。本文介绍了JTIDS的系统特点和关键技术,通过对两种通信干扰技术的比较,最后得出对JTIDS的干扰通过对其同步段信号实施多频点阻塞式干扰将具有较高的可行性。展开更多
This paper explores the multi-frequency independent channel interference alignment(MFC-IA) system of 3 channels and4 users,and single data stream transmit,i.e.(3×3,1)~4 system.We derive the analytic solution for(...This paper explores the multi-frequency independent channel interference alignment(MFC-IA) system of 3 channels and4 users,and single data stream transmit,i.e.(3×3,1)~4 system.We derive the analytic solution for(3×3,1)~4 MFC-IA system.Based on the analytic solution,an optimization problem is proposed aim at the optimal IA solution.Then based on such a math model,we propose a simulated annealing(SA) algorithm to search optimal IA solution.The simulation results show that the simulated annealing IA algorithm has a better sum rate performance than iterative maximize signal to interference plus noise ratio(Max-SINR) algorithm.This result can be extended to single data stream multi-antenna IA system with 3 antennas and4 users.展开更多
文摘JTIDS(Joint Tactical Information Distribution System)即联合战术信息分发系统,是美国陆海空三军为了应对联合作战而开发的具有相对导航、敌我识别、任务管理、武器协同、目标监视、保密话音和指挥控制能力的一种大容量、保密、抗干扰、时分多址的战术信息分发系统。为了应对未来不可预知的战争,对JTIDS数据链系统的干扰技术进行研究是势在必行的。本文介绍了JTIDS的系统特点和关键技术,通过对两种通信干扰技术的比较,最后得出对JTIDS的干扰通过对其同步段信号实施多频点阻塞式干扰将具有较高的可行性。
基金supported by the 863 Program of China under Grant No.2015AA01A703the Fundamental Research Funds for the Central Universities under Grant No.2014ZD03-02+1 种基金the National Natural Science Foundation of China(NSFC,No.61171104,61571055)fund of State Key Laboratory of Millimeter Wave(SKL of MMW,No.K201501)
文摘This paper explores the multi-frequency independent channel interference alignment(MFC-IA) system of 3 channels and4 users,and single data stream transmit,i.e.(3×3,1)~4 system.We derive the analytic solution for(3×3,1)~4 MFC-IA system.Based on the analytic solution,an optimization problem is proposed aim at the optimal IA solution.Then based on such a math model,we propose a simulated annealing(SA) algorithm to search optimal IA solution.The simulation results show that the simulated annealing IA algorithm has a better sum rate performance than iterative maximize signal to interference plus noise ratio(Max-SINR) algorithm.This result can be extended to single data stream multi-antenna IA system with 3 antennas and4 users.
