Probe Configuration in Dual Anechoic Chamber Multiprobe OTA Testing

This paper discusses probe configuration algorithm in the dual anechoic chamber setup, which establishes an end-to-end link without any cable connection on both ends for the multiprobe over-the-air (OTA) radiated testing. Under this setup, there exist no suitable probe configuration algorithm to meet the required accuracy of the spatial profile in the test zone. Therefore, an improved multi-objective evolutionary algorithm based on decomposition (MOEA/D) is proposed to configure the probes in terms of number, position and power weighting. Simulation results show that the proposed algorithm significantly improves the reconstruction accuracy of the spatial profile compared with the existing methods in the literature under the same test settings.