Millimeter-wave new radio test zone validation for MIMO over-the-air testing
Zhang, Fengchun; Hentilä, Lassi; Kyösti, Pekka; Fan, Wei (2021-09-15)
F. Zhang, L. Hentilä, P. Kyösti and W. Fan, "Millimeter-Wave New Radio Test Zone Validation for MIMO Over-the-Air Testing," in IEEE Transactions on Antennas and Propagation, vol. 70, no. 2, pp. 1569-1574, Feb. 2022, doi: 10.1109/TAP.2021.3111326
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https://urn.fi/URN:NBN:fi-fe2021122262969
Tiivistelmä
Abstract
Standardization efforts to define radiated metrics and test methods for verifying millimeter-wave (mmWave) new radio (NR) devices are currently ongoing. Multi-probe anechoic chamber (MPAC) method, which is capable of reproducing spatial fading channels in the test zone, is selected as the reference solution for NR device testing. It is of importance to ensure that the defined testing propagation environment in the test zone is correctly implemented. In this paper, a novel algorithm is proposed to determine the wideband power-angle-delay profile of the reconstructed channels in the test zone for mmWave NR. The proposed algorithm is shown to be generic (applicable for both 2D and 3D testing setup), applicable for both near-field and far-field conditions and robust (i.e. insensitive to measurement distance errors).
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