大数据环境下无线终端智能通信信号采集系统设计

Design of intelligent communication signal acquisition system for wireless terminal in large data environment

为了提高通信信号的稳定采集性能,提出一种改进的大数据环境下无线终端智能通信信号采集系统设计方法,系统主要包括AD模块、模拟信号预处理模块、收发转换模块、功率放大器、逻辑与译码控制模块等,采用32位VME总线扩展技术构建无线通信信号的采集系统的可编程专用集成总线,选用MAX264芯片作为信号处理核心芯片,设计运算放大器完成无线终端智能通信信号的数模转换,采用CPLD编程技术进行信号采集的数据锁存并完成串并转换,完成系统的硬件模块化设计和集成电路开发。测试结果表明,该信号采集系统能实现大数据环境下的无线终端智能通信信号采集,输出信号的信噪比较高,误比特率较低,具有很好的抗干扰性能。

In order to improve the stability of the acquisition performance of communication signals, a large data environment of wireless terminal intelligent communication signal acquisition system design method, the system mainly includes AD module, analog signal pretreatment module, transceiver conversion module, power amplifier, system logic and decoding control module, using 32 bit VME bus extension construction the wireless communication technology of the signal acquisition system programmableappropriation integrated bus, using MAX264 chip as the core of signal processing chip, the design of operational amplifier to complete analog wireless terminal intelligent communication signal conversion, signal acquisition using CPLD programming technology and complete the data latch and string conversion, complete modular design of hardware system and integrated circuit developed. Test results show that the system can realize the wireless signal acquisition terminal intelligent communication signal acquisition under the big data environment, output The signal-to-noise ratio of the signal is high and the bit error rate is low, so it has good anti-interference performance.