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Abstract
The statistical properties of the reverberation chamber (RC) provide a theoretical basis for over-the-air (OTA) testing of wireless devices. This paper analyses the effect of different tuner steps on OTA testing by constructing an RC-based OTA test system. The test results show that the mean value of the total radiated power (TRP) gradually converges as the number of tuner steps increases. However, due to the limited number of independent samples provided by the tuner, the measurement accuracy cannot be improved infinitely by just increasing the number of tuner steps. The number of independent samples for one rotation of the tuner at 2437MHz is also calculated.
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Details
1 National Institute of Metrology , Beijing, China
2 Qingdao Haier Technology Co., LTD , Shandong, China