EIRP Measurement and Error Analysis of 5G Base Station

In this paper, two methods namely far-field absolute method and far-field relative method for measuring effective isotropic radiated power (EIRP) of fifth generation (5G) base station (BS) are analyzed and compared. According to the analysis of basic principle, measuring complexity and measuring results, we draw a conclusion that the relative method has higher test accuracy. From the perspective of the theory and the actual test, each error term is analyzed in detail by using the relative method measuring EIRP with the existing chamber facilities. Finally, a case of EIRP measurement for 5G BS of Ka-wavelength is given which shows that the test results agree with the theoretical calculation results.