Abstract: The present invention discloses an RF element group testing system and method. The method comprises steps: adding an identification feature to a first RF signal, which is output by one of the plurality of tested RF elements, to generate an identification RF signal; synthesizing the identification RF signal and a second RF signal, which is output by each of the rest of the tested RF elements, to generate a corresponding synthesis signal; resolving the synthesis signal into the identification RF signal and the corresponding second RF signal according to the identification feature; restoring the identification RF signal into the first RF signal; and calculating at least one signal-feature parameter of the first RF signal and the second RF signal.

Abstract: An antenna device for mixed beam scanning includes at least one antenna module, a plurality of active radio-frequency modules and a rotating portion. The antenna module can perform electronic scanning in a one-dimensional direction. Each of the active radio-frequency modules can enable the antenna module to form a radiation beam. The rotating portion can drive the antenna module to spin or revolve to compensate or enhance the scanning capacity of the antenna module in another dimension. Accordingly, the antenna device is capable both of electronic scanning and mechanical scanning to meet the needs for tracking different satellites and have a good scanning range of coverage while simplifying the overall structural design.

Abstract: An antenna device with a swinging mechanism includes at least one antenna module, at least one active radio-frequency module, and at least one swinging portion. The antenna module can transmit at least one active radio-frequency signal outward and receive at least one external RF signal from the outside. The active radio-frequency module can be electrically connected to the antenna module and control the phase and amplitude of the active RF signal so that the antenna module can form a focused radiation beam of the active RF signal and control the generation of a radiation pattern by the antenna module for receiving the external RF signal. The swinging portion is connected to the antenna module and can swing the antenna module along a circular arc around a center of circle defined by a central support point to supplement an ability of the antenna module in scanning in a one-dimensional direction.

Abstract: An antenna system for beam direction adjustment and shared use ofradio-frequency integrated circuit (RFIC) units includes an array antenna module including feed antenna units for producing at least one input signal, RFIC units respectively electrically connected to the feed antenna units through switching units and less in number than the feed antenna units, a control module for controlling, based on at least one antenna configuration message, some of the switching units to be switched on and the rest thereof to be switched off, and a microwave lens module for forming at least one beam in a particular direction. A feed antenna unit electrically connected to the switched-on switching unit is in a working state, and can receive a signal from the RFIC units and radiate a corresponding input signal to the microwave lens module. The antenna system greatly reduces the number of RFIC units, thereby lowering the overall cost.

Abstract: A calibration and group testing system for RF units and a method therefor are provided. The system includes a control device, a signal source device, a test platform, and a measurement device. M times of measurements are performed between the test platform and the measurement device. For each measurement, a microwave signal source is converted into random microwave signals with N random amplitudes and phases, and the RF units are respectively stimulated to output the random microwave signals superimposed on a measured path to form a measurement signal. The measurement device receives measurement signals of the M times of measurements and converts them into M pieces of measurement information, respectively. The control device solves the measurement information and performs iterative and convergent calculations on all solution results to obtain calibration information of the RF units in a specific state, thereby correcting the RF units according to the calibration information.

Abstract: The invention describes a system for testing antenna-in-package (AiP) modules and a method for using the same. Firstly, AiP modules respectively receive RF signals from a testing transmitting antenna. Then, at least one of the power and the phase of each of the RF signals is adjusted to generate modulated RF amplified signals as recognition tags with difference. The RF amplified signals are received from each control integrated circuit (IC) and the power of the modulated RF amplified signals is summed to generate a net mixed test signal. Finally, the test signal is received and RF properties corresponding to at least one of the power and the phase of each of the RF amplified signals as recognition tags are obtained. The method can simultaneously test a plurality of AiP modules to shorten the test time.

Abstract: A device for testing a group of radio-frequency (RF) chip modules and a method for using the same is disclosed. The device includes a signal analyzer, a power divider, control ICs, a signal controller, and a power combiner. The power divider receives an RF signal and transmits RF input signals to the RF chip modules and the control ICs in response to the RF signal. The signal controller controls each control IC to adjust at least one of the power and the phase of the corresponding RF input signal, thereby generating an RF output signal. The power combiner receives the RF output signal from each control IC to generate a test signal. The signal analyzer receives the test signal and obtains RF properties corresponding to at least one of the power and the phase of each RF output signal.

Abstract: An arrayed RF system includes an expandable mother circuit carrier and sub-modules implemented with RF packaged radiation structures. The sub-modules are embedded onto the mother circuit carrier through plug-in interfaces to form a replaceable and expandable co-structural structure. The mother circuit carrier receives and up-converts an input intermediate-frequency signal, thereby generating first high-frequency signals. The sub-modules are horizontally embedded on the mother circuit carrier, arranged into a one-dimensional or two-dimensional array, and electrically connected to the mother circuit carrier. The RF packaged radiation structures respectively receive first high-frequency signals, thereby emitting first RF signals. The RF packaged radiation structures receive second RF signals, thereby generating second high-frequency signals. The mother circuit carrier down-converts the second high-frequency signals, thereby generating an output intermediate-frequency signal.

Abstract: An integrated antenna device comprises a curved-surface transmitting array and an array antenna. The curved-surface transmitting army has a plurality of focuses to homogenize its radiation gains. The array antenna is arranged between the curved-surface transmitting array and the plurality of focuses. According to the control of an active RF module of the array antenna, the array antenna emits the first-order beam and performs beam scanning. The curved-surface transmitting array is used to focus the first-order beam to produce a second-order beam with high gain. The generation of the beamforming feed excitation weight of the active RF module makes the integrated antenna device have a beam scanning mechanism. The array antenna can be formed by feeder antennas A DSP dynamic groups the feeder antennas to form subarrays, the subarrays can generate different first-order beams for multi-point communications. The first-order beams can be scanned in an interleaved fashion.

Abstract: Provided is a display apparatus including a display panel, multiple antenna electrodes, a dummy electrode, and multiple feed lines. The display panel has a display area. The antenna electrodes are disposed on the display panel and overlap the display area. The dummy electrode is disposed around the antenna electrodes and overlaps the display area. The dummy electrode is electrically separated from the antenna electrodes, and has multiple dummy wire segments whose extension directions intersect each other. The dummy wire segments have multiple breaks. The feed lines are respectively electrically connected to the antenna electrodes. An antenna module is also provided.

Abstract: The present invention discloses an RF element group testing system and method. The method comprises steps: adding an identification feature to a first RF signal, which is output by one of the plurality of tested RF elements, to generate an identification RF signal; synthesizing the identification RF signal and a second RF signal, which is output by each of the rest of the tested RF elements, to generate a corresponding synthesis signal; resolving the synthesis signal into the identification RF signal and the corresponding second RF signal according to the identification feature; restoring the identification RF signal into the first RF signal; and calculating at least one signal-feature parameter of the first RF signal and the second RF signal.

Abstract: A calibration method for a phased array of antennas, wherein the phased array of antennas comprises N antenna elements, the N antenna elements are decomposed into G sub-arrays, each of the G sub-arrays comprises M antenna elements, and the calibration method comprises: (a) inputting a set of digital control codes to RF devices in order to produce field signals corresponding to an operation order r to the G sub-arrays' radiations; (b) measuring the observation field signals of the G sub-arrays corresponding to the operation order r in a fixed position to produce a DFT relationship with respect to the RF devices' operations; and (c) repeating operations (a) to (b) corresponding to the operation order r from 1 to G for generating error-calibrating signals corresponding to the signals of the G sub-arrays.

Abstract: Provided is a display apparatus including a display panel, multiple antenna electrodes, a dummy electrode, and multiple feed lines. The display panel has a display area. The antenna electrodes are disposed on the display panel and overlap the display area. The dummy electrode is disposed around the antenna electrodes and overlaps the display area. The dummy electrode is electrically separated from the antenna electrodes, and has multiple dummy wire segments whose extension directions intersect each other. The dummy wire segments have multiple breaks. The feed lines are respectively electrically connected to the antenna electrodes. An antenna module is also provided.

Abstract: A calibration and group testing system for RF units and a method therefor are provided. The system includes a control device, a signal source device, a test platform, and a measurement device. M times of measurements are performed between the test platform and the measurement device. For each measurement, a microwave signal source is converted into random microwave signals with N random amplitudes and phases, and the RF units are respectively stimulated to output the random microwave signals superimposed on a measured path to form a measurement signal. The measurement device receives measurement signals of the M times of measurements and converts them into M pieces of measurement information, respectively. The control device solves the measurement information and performs iterative and convergent calculations on all solution results to obtain calibration information of the RF units in a specific state, thereby correcting the RF units according to the calibration information.

Abstract: A device for testing a group of radio-frequency (RF) chip modules and a method for using the same is disclosed. The device includes a signal analyzer, a power divider, control ICs, a signal controller, and a power combiner. The power divider receives an RF signal and transmits RF input signals to the RF chip modules and the control ICs in response to the RF signal. The signal controller controls each control IC to adjust at least one of the power and the phase of the corresponding RF input signal, thereby generating an RF output signal. The power combiner receives the RF output signal from each control IC to generate a test signal. The signal analyzer receives the test signal and obtains RF properties corresponding to at least one of the power and the phase of each RF output signal.

Abstract: A system for testing antenna-in-package (AiP) modules and a method for using the same is disclosed. Firstly, AiP modules respectively receive RF signals from a testing transmitting antenna. Then, at least one of the power and the phase of each of the RF signals is adjusted to generate modulated RF amplified signals as recognition tags with difference. The RF amplified signals are received from each control integrated circuit (IC) and the power of the modulated RF amplified signals is summed to generate a net mixed test signal. Finally, the test signal is received and RF properties corresponding to at least one of the power and the phase of each of the RF amplified signals as recognition tags are obtained. The method can simultaneously test a plurality of AiP modules to shorten the test time.

Abstract: An antenna measurement system is configured to measure a radiation field pattern of an AUT fixed on a reference surface. The antenna measurement system includes an articulated robot, a measurement component, and a processor. The articulated robot is seated on a periphery of the reference surface, with a movable end capable of scanning a short-distance area defined by the reference surface. The measurement component is arranged on the movable end of the articulated robot, and a front surface of the measurement component is a specific geometric surface, which is used to face the antenna for radiation measurement. The processor is coupled to the movable end to control the movable end to drive the measurement component to move relative to the antenna along a predefined scanning path, and keep the specific geometric surface facing the antenna during the movement along the scanning path.

Abstract: An antenna measurement system includes an array of antennas, an array of reflectors, and a measurement surface. The array of antennas includes a plurality of antenna elements arranged in a straight line; any two adjacent antenna elements in the above antenna elements are separated by a predetermined distance, and each of the antenna elements in the above antenna elements has a radiator and a feed point. The array of reflectors includes at least one reflector and is arranged in a width direction or a height direction, and the array of reflectors is configured to generate a reflection signal according to a signal sent by the array of antennas. An antenna to be measured is configured to perform a measurement operation on the reflection signal on the measurement surface.

Abstract: An antenna measurement system includes an array of antennas, an array of reflection discs, and a measurement surface. The array of antennas includes a plurality of antenna elements arranged in a straight line; any two adjacent antenna elements in the above antenna elements are separated by a predetermined distance, and each of the antenna elements in the above antenna elements has a radiator and a feed point. The array of reflection discs includes at least one reflection disc and is arranged in a width direction or a height direction, and the array of reflection discs is configured to generate a reflection signal according to a signal sent by the array of antennas. An antenna to be measured is configured to perform a measurement operation on the reflection signal on the measurement surface.

Abstract: An antenna measurement system is configured to measure a radiation field pattern of an AUT fixed on a reference surface. The antenna measurement system includes an articulated robot, a measurement component, and a processor. The articulated robot is seated on a periphery of the reference surface, with a movable end capable of scanning a short-distance area defined by the reference surface. The measurement component is arranged on the movable end of the articulated robot, and a front surface of the measurement component is a specific geometric surface, which is used to face the antenna for radiation measurement. The processor is coupled to the movable end to control the movable end to drive the measurement component to move relative to the antenna along a predefined scanning path, and keep the specific geometric surface facing the antenna during the movement along the scanning path.