System for testing antenna-in-package modules and method for using the same

A system for testing antenna-in-package (AiP) modules comprising:

• a transmitting antenna configured to generate radio-frequency (RF) signals;
• a signal controller electrically connected to a plurality of antenna in package (AiP) modules and configured to control the plurality of AiP modules to respectively receive the RF signals;
• a plurality of control ICs respectively integrated in the plurality of AiP modules and electrically connected to the plurality of AiP modules and the signal controller, wherein the plurality of control ICs are respectively configured to receive the RF signals, the signal controller is configured to control each of the plurality of control ICs to adjust at least one of power and a phase of the corresponding RF signal to generate a RF amplified signal as a recognition tag with difference;
• a power combiner electrically connected to each of the plurality of control ICs, wherein the power combiner is configured to receive the RF amplified signal from each of the plurality of control ICs and sum power of the RF amplified signals of the plurality of control ICs to generate a test signal;
• a signal analyzer electrically connected to the power combiner and configured to receive the test signal and obtain RF properties corresponding to at least one of power and a phase of each of the RF amplified signals as recognition tags;
• and
• a control host electrically connected to the signal controller and the signal analyzer and configured to control operation of the signal controller and the signal analyzer, wherein the control host is configured to know power and a phase of each of the RF signals and transmit them to the signal analyzer, and the signal analyzer is configured to recognize the RF amplified signals respectively corresponding to the AiP modules by using power and a phase of each of the RF signals.

A method for testing antenna in package (AiP) modules comprising:

• controlling a plurality of antenna in package (AiP) modules to respectively receive radio-frequency (RF) signals;
• adjusting at least one of power and a phase of each of the RF signals to generate recognizable RF amplified signals as recognition tags with difference;
• summing power of the RF amplified signals to generate a test signal;
• and
• receiving the test signal and obtaining RF properties corresponding to at least one of power and a phase of each of the RF amplified signals as recognition tags and knowing power and a phase of each of the RF signals to recognize the RF amplified signals respectively corresponding to the AiP modules by using power and a phase of each of the RF signals.