李永亮,冯杰波,郑晓庆,徐涛.基于1.8GHz TD-LTE无线专网的负荷控制终端接入技术[J].电测与仪表,2019,56(24):128-132. Li Yongliang,Feng Jiebo,Zheng Xiaoqing,Xu Tao.Communication method of precision load control system based on 1.8GHz TD-LTE wireless private network[J].Electrical Measurement & Instrumentation,2019,56(24):128-132.
基于1.8GHz TD-LTE无线专网的负荷控制终端接入技术
Communication method of precision load control system based on 1.8GHz TD-LTE wireless private network
The traditional wired access technology based on SDH and dedicated optical fiber network for load control terminal uses too many photoelectric and protocol converters, it’s construction period is long, and the construction is difficult and costs high, and it also has construction permission problem. In addition, the delay of existing wireless access technology based on GPRS and 230MHz is high. To solve these problems, an access technology based on 1.8GHz TD-LTE wireless network for the load control terminal is proposed. Firstly,extend the functions of load control terminal and substation; Secondly, connect the load control terminal and substation to 1.8GHz TD-LTE wireless network, and transmit UDP communication between load control terminal and substation to 1.8GHz TD-LTE wireless communication; Finally, realize the information transmission between load control terminal and substation. The test results show that the new communication method satisfies the engineering requirements. The new method has the advantages of simple network structure, flexible network, short construction period, low cost, no construction license issue, low communication delay, etc.
