H04B17/20

Automated antenna testing device

An automated antenna testing device is disclosed. A carrying stand for objects-to-be-tested to be carried thereon, and an antenna stand corresponding to the carrying stand are installed in a receiving space of a cavity part on a machine part, and a conveyance device for moving the objects-to-be-tested to the carrying stand is installed on the machine part. The conveyance device and the cavity part are installed independently, therefore, an OTA testing environment can be prevented from being affected by external factors.

Automated antenna testing device

An automated antenna testing device is disclosed. A carrying stand for objects-to-be-tested to be carried thereon, and an antenna stand corresponding to the carrying stand are installed in a receiving space of a cavity part on a machine part, and a conveyance device for moving the objects-to-be-tested to the carrying stand is installed on the machine part. The conveyance device and the cavity part are installed independently, therefore, an OTA testing environment can be prevented from being affected by external factors.

Near-field wireless device
10917773 · 2021-02-09 · ·

One example discloses a near-field wireless device, including: a near-field antenna having a first conductive surface and a second conductive surface; wherein the conductive surfaces are configured to carry non-propagating quasi-static near-field electro-induction (NFEI) signals; a tuning circuit coupled to the near-field antenna and having a set of tuning parameters; a controller coupled to the tuning circuit; wherein the controller is configured to monitor a loading of the near-field antenna; wherein the controller is configured to adjust the tuning parameters if the loading is different from a preselected loading; and wherein the controller is configured to set a user present status in response to a predefined threshold change in the set of tuning parameters.

System and method for optimizing intermodulation performance of receivers

Systems and methods for mitigating broadband and/or Intermodulation (IM) interference. The methods comprise: monitoring performance of at least one demodulator performance metric of a communication device; detecting when the communication device is under or will be under an influence of IM interference based on a performance of the at least one demodulator performance metric; determining an improved level of gain to be applied to (i) a variable attenuator of the communication device or (ii) a variable gain low noise amplifier of the communication device; and selectively adjusting an amount of gain being applied by the variable attenuator or variable gain low noise amplifier based on the improved performance achieved with new level of attenuation.

AUTOMATED ANTENNA TESTING DEVICE
20210067982 · 2021-03-04 ·

An automated antenna testing device is disclosed. A carrying stand for objects-to-be-tested to be carried thereon, and an antenna stand corresponding to the carrying stand are installed in a receiving space of a cavity part on a machine part, and a conveyance device for moving the objects-to-be-tested to the carrying stand is installed on the machine part. The conveyance device and the cavity part are installed independently, therefore, an OTA testing environment can be prevented from being affected by external factors.

AUTOMATED ANTENNA TESTING DEVICE
20210067982 · 2021-03-04 ·

An automated antenna testing device is disclosed. A carrying stand for objects-to-be-tested to be carried thereon, and an antenna stand corresponding to the carrying stand are installed in a receiving space of a cavity part on a machine part, and a conveyance device for moving the objects-to-be-tested to the carrying stand is installed on the machine part. The conveyance device and the cavity part are installed independently, therefore, an OTA testing environment can be prevented from being affected by external factors.

INITIALIZATION OF CONFIGURABLE RECEIVER FRONT END MODULE INTO A SELECTED MODE

In one aspect, a method comprises: initializing a front end circuit of a wireless device into a first mode in which a radio frequency (RF) signal processing path comprises a low noise amplifier (LNA) having an output coupled to an RF filter; and in response to an RF signal received in the front end circuit having a level greater than a first threshold, reconfiguring the front end circuit into a second mode in which the RF filter is coupled to an input of the LNA.

INITIALIZATION OF CONFIGURABLE RECEIVER FRONT END MODULE INTO A SELECTED MODE

In one aspect, a method comprises: initializing a front end circuit of a wireless device into a first mode in which a radio frequency (RF) signal processing path comprises a low noise amplifier (LNA) having an output coupled to an RF filter; and in response to an RF signal received in the front end circuit having a level greater than a first threshold, reconfiguring the front end circuit into a second mode in which the RF filter is coupled to an input of the LNA.

METHOD FOR RECOMMENDING INSTALLATION POSITION OF BASE STATION, STORAGE MEDIUM, MOWER, AND MOBILE ELECTRONIC DEVICE

A method for recommending an installation position of a base station, a storage medium, a mower, and a mobile electronic device are provided. The method acquires satellite observation data at a plurality of sampling points along a boundary of a target map; determining target sampling points satisfying a preset condition according to satellite observation data at each sampling point; determining common satellite observation frequency bands according to satellite observation data at the target sampling points; determining the number of the common satellite observation frequency bands at each sampling point according to the common satellite observation frequency bands and the satellite observation data at each sampling point; and determining recommendation information of the installation position of the base station according to the number of the common satellite observation frequency bands at each sampling point.

Locating passive intermodulation fault sources

A method for locating the source of a passive intermodulation (PIM) fault in a radio frequency (RF) system, the method comprising: a) generating a PIM fault fingerprint database by: modelling an RF network; defining a plurality of PIM fault patterns for the modelled RF network by defining PIM faults at one or more sources; simulating a received RF signal for each respective PIM fault pattern; generating the PIM fault fingerprint database in dependence on the simulated received RF signals for each defined PIM fault pattern; b) measuring an RF signal for a real network having a PIM fault and abstracting the measured RF signal to define a given signal; c) searching and matching the given signal using the fingerprint database to determine the PIM fault pattern; and d) locating the source of the PIM fault, or giving a further measuring guideline in dependence on the determined PIM fault pattern.