Research on EMC of On-line Monitoring Equipment on Shared Tower

With the overall development of the construction of the shared tower, the electromagnetic interference of the communication base station to the surrounding on-line monitoring equipment has become increasingly prominent, but at present there is no standard and construction basis for the protection distance at home and abroad. In this paper, PO-MoM hybrid algorithm is used to calculate the electromagnetic environment of on-line monitoring equipment on shared tower, and the influence of communication antenna on the electromagnetic environment of on-line monitoring equipment on shared tower is obtained. Through the analysis and calculation of tower type, antenna power and different erection modes of antenna, the influence rules of three factors on radiation immunity of on-line monitoring equipment are solved. According to the research results, it is suggested that the protection distance between the communication base station and the on-line monitoring equipment should be set to 15-27m. The results provide a theoretical basis for the further study of the optimal layout of communication antennas on the shared tower and the design of electromagnetic safety engineering of the shared tower, and have certain practical value.