摘要
提出了一种设计灵活和低成本TD-LTE信号源的方法。该方法利用Agilent ADS软件设计TD-LTE理想基带信号,并通过同样由ADS建模的三维衰落信道以生成基带衰落信号,其中三维衰落信道建模同时考虑离去角和到达角。然后ADS软件通过GPIB接口控制实验室现有的矢量信号发生器来产生TD-LTE射频信号,可用于移动通信实验课程教学以及TD-LTE设备的测试。最后采用Matlab数据分析和频谱仪测量的方式对所设计的TD-LTE信号源进行验证,结果表明达到了设计目标。
A method for designing the flexible and low-cost TD-LTE signal source is proposed. This method uses the Agilent ADS software to design TD-LTE ideal base-band signal,and a base-band fading signal is generated by the 3D fading channel which is similarly modeled by the ADS. Both DOD（ direction of departure） and DOA（ direction of arrival） are taken into account for the 3D fading channel modeling. Then,the ADS software controls the existing vector signal generator in the laboratory through the GPIB interface to produce the TD-LTE radio frequency signal,which can be used for the experimental teaching of mobile communication and the test of TD-LTE equipment.Finally,the designed TD-LTE signal source is verified by adopting the methods of the Matlab data analysis and the spectrum analyzer measurement,and the results show that the desired target is achieved.
出处
《实验技术与管理》
CAS
北大核心
2017年第10期88-93,97,共7页
Experimental Technology and Management
基金
国家自然科学基金项目(61471322)
