Abstract: In accordance with an embodiment, a first electronic device is configured to communicate with a first ultra-wideband base station via ultra-wideband wireless communication and receive coordinates of the first electronic device that are based on a relative location between the first electronic device and the first ultra-wideband base station. The first electronic device is further configured to display a control window of a second electronic device in response to detecting that the first electronic device is located in a front area of the second electronic device and points to the second electronic device.

Abstract: A method is implemented by an electronic device to mark a position of a home device. The method includes that the electronic device receives a first operation of a user, where the first operation is used to trigger the electronic device to mark a position of a first home device in a plurality of home devices. In response to the first operation, the electronic device obtains, by using a UWB chip, spatial position-attitude information of the electronic device when the electronic device separately points to the first home device in n orientations, and calculates spatial position information of the first home device based on the spatial position-attitude information of the electronic device in the n orientations.

Abstract: A method includes a device in an area 1 that requests a ultra-wideband (UWB) base station in the area 1 to measure an initial position, and starts inertial measurement unit (IMU) measurement. The device moves to an area 2, and the device requests to measure distances between each UWB base station in the area 2 and at least three locations. The device returns to the area 1, and requests the UWB base station in the area 1 to measure an end point position. The device corrects coordinates of the device in the area 2 calculated using data obtained through the IMU measurement based on the measured end point position. Calculate the coordinates of each UWB base station in the area 2 based on the corrected coordinates in the area 2 and the measured distances between each UWB base station and the device in the area 2.

Abstract: This application relates to a UWB base station anomaly detection method. The method includes: obtaining a first distance that is between each of the N UWB base stations and the UWB tag and that is obtained through measurement; obtaining an estimated value of spatial coordinates of the UWB tag in the first coordinate system based on the first distance and spatial coordinates of each UWB base station in the first coordinate system; obtaining a second distance between each UWB base station and the UWB tag based on the estimated value and the spatial coordinates of each UWB base station in the first coordinate system; and determining, based on the first distance and the second distance that correspond to each UWB base station, whether a UWB base station in the N UWB base stations is abnormal.

Abstract: A variable capacitor-based antenna adjustment method and a related apparatus. A first signal strength of a first communications system with a highest priority that is supported by an antenna having a variable capacitor is detected, and when the first signal strength is relatively strong to meet a first release condition, a capacitance value of the variable capacitor is adjusted to a preset capacitance value, where the preset capacitance value is closer to a second capacitance value corresponding to a working frequency band of a second communications system supported by the antenna, so that a working frequency band of the antenna having the variable capacitor is closer to the working frequency band of the second communications system, and therefore, communication quality of the second communications system is improved.

Abstract: A variable capacitor-based antenna adjustment method and a related apparatus. A first signal strength of a first communications system with a highest priority that is supported by an antenna having a variable capacitor is detected, and when the first signal strength is relatively strong to meet a first release condition, a capacitance value of the variable capacitor is adjusted to a preset capacitance value, where the preset capacitance value is closer to a second capacitance value corresponding to a working frequency band of a second communications system supported by the antenna, so that a working frequency band of the antenna having the variable capacitor is closer to the working frequency band of the second communications system, and therefore, communication quality of the second communications system is improved.

Abstract: A signal transmission method and system, and a controller are disclosed. The controller controls a single-pole double-throw switch by determining whether a signal status of a first signal with a higher priority satisfies a service requirement; and if the service requirement is not satisfied, guides a mixed signal of the first signal and a second signal that is received by an antenna to a processing back-end of the first signal by using the single-pole double-throw switch; or if the service requirement is satisfied, guides a mixed signal of the first signal and a second signal that is received by an antenna to a power splitter by using the single-pole double-throw switch, and separately transfers the mixed signal of the first signal and the second signal to a processing back-end of the first signal and a processing back-end of the second signal by using the power splitter.