H04B7/0805

Wireless communication device and selection method
11770165 · 2023-09-26 · ·

The wireless communication device (200) according to the present disclosure includes the control unit (260). The control unit (260) acquires the temperatures of a plurality of antennas (2110) having different directivities. The control unit (260) acquires information regarding the communication quality of the plurality of antennas (2110). In a case where the temperature of the antenna which is being used for communication is equal to or higher than the second temperature threshold which is lower than the first temperature threshold for determining whether or not to stop using the antenna (2110), the control unit (260) switches the antenna which is being used to an antenna selected on the basis of the communication quality among the antennas whose temperatures are lower than the second temperature threshold.

ANTENNA SWITCHING BASED MIMO SCHEME FOR IOT
20210359730 · 2021-11-18 ·

A multi-user access node for receiving concurrent signals which are carrying redundant chip sequences at a baseband rate, the access node including: a plurality of antennas organized in an antenna configuration; a main transceiver comprising an analog receiver and an ADC for converting an incoming signal into a digital signal which comprises the incoming chip sequences; a switch for switching the transceiver between the plurality of antennas; a controller configured for: initializing the multi-user access node by switching the transceiver between the plurality of antennas to capture a spatial character of the different users based on unique initialization chip sequences from the different users, separating collided chip sequences transmitted by different users by switching the transceiver between the plurality of antennas according to a scrambling sequence and by using the spatial character in combination with the applied scrambling sequence.

RADIO FREQUENCY TRANSMIT-RECEIVE APPARATUS, TERMINAL, AND METHOD

A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.

Electromagnetic interference control method and related device

Disclosed are an electromagnetic interference control method, an electronic device and a non-transitory computer-readable storage medium. The method includes detecting whether a camera of the electronic device is activated, responsive to detecting that the electronic device receives a voice communication service; detecting whether electromagnetic interference occurs between the camera and a radio frequency system of the electronic device, responsive to detecting that the camera is activated; if yes, responsive to determining that the currently activated primary antenna is a first antenna, sending a first preset instruction to a modem by an application processor; and receiving the first preset instruction by the modem for switching the activated antenna from the first antenna to a second antenna and fix. Based on the method, the interference of a radio frequency system on a mobile phone camera is reduced, camera screen crash or jam is reduced, and imaging quality is improved.

Smart mechanism to manage thermal impact in 5G NR

This disclosure relates to methods and devices for mitigating overheating in a user equipment device (UE). The UE is configured to communicate over each of LTE and 5G NR and may be configured to communicate through 5G NR over each of a Sub-6GHz and a millimeter Wave (mmW) frequency band. The UE is configured to establish an ENDC connection with an enB and one or more gNBs. The UE implements intelligent transmission modification and cell measurement adjustments to mitigate overheating and reduce battery drain.

System and method for fabricating and executing a wireless gaming keyboard and mouse adapter system
11748291 · 2023-09-05 · ·

A wireless gaming keyboard and mouse adapter system may comprise a wireless gaming keyboard and mouse adapter housing, forming a dongle operably coupled to an input device, within which an electrical circuit and an antenna are embedded within a plurality crystal polymer layers for housing a network interface device, a USB-C adapter mounting, and a controller, which may be electrically coupled via the electrical circuit, and where the network interface device is electrically coupled to the antenna. The controller may receive input/output gaming instructions for the gaming software application, via the USB-C adapter, from an input device for a remote information handling system executing the gaming software application, and may execute wireless gaming keyboard and mouse adapter system code instructions to direct the network interface device to transceive the input/output gaming instructions to a cloud-based gaming application server via the wireless network Access Point (AP) at frequencies above 24 GHz.

ANTENNA SWITCHING ON MIMO DEVICES
20230155635 · 2023-05-18 · ·

A multiple-input, multiple-output (MIMO) transceiver comprises a plurality of RF chains, a plurality of antennas, a plurality of switching components, and control circuitry operatively coupled to the plurality of switching components. In some examples, a total quantity of RF chains included in the plurality of RF chains is equal to a first value, and a total quantity of antennas included in the plurality of antennas is equal to a second value that is less than the first value.

Radio base station and reception method at radio base station

A characteristic variable antenna configured to be able to select or switch antenna characteristics in accordance with a predetermined periodic variable timing, an RF unit configured to perform a reception process on a signal received by the characteristic variable antenna, an ADC unit configured to sample the analog signal input from the RF unit at a sampling period corresponding to the variable timing of the antenna characteristics of the characteristic variable antenna, a signal dividing unit configured to divide the digital signal input from the ADC unit into different digital signals in accordance with the antenna characteristics and output the divided different digital signals, a MIMO-OFDM demodulation unit configured to receive inputs of the different digital signals divided by the signal dividing unit and perform a demodulation process of predetermined MIMO-OFDM, and a control unit configured to periodically select or switch the antenna characteristics of the characteristic variable antenna in accordance with the sampling period of the ADC unit are included.

Smart mechanism to manage thermal impact in 5G NR

This disclosure relates to methods and devices for mitigating overheating in a user equipment device (UE). The UE is configured to communicate over each of LTE and 5G NR and may be configured to communicate through 5G NR over each of a Sub-6 GHz and a millimeter Wave (mmW) frequency band. The UE is configured to establish an ENDC connection with an enB and one or more gNBs. The UE implements intelligent transmission modification and cell measurement adjustments to mitigate overheating and reduce battery drain.

UNMANNED AERIAL VEHICLE CONTROL METHOD AND UNMANNED AERIAL VEHICLE
20220214704 · 2022-07-07 ·

A method for controlling an unmanned aerial vehicle includes obtaining flight status information of a target aircraft, determining a relative direction of the target aircraft relative to the unmanned aerial vehicle according to the flight status information of the target aircraft, and communicatively connecting an automatic dependent surveillance broadcast (ADS-B) device of the unmanned aerial vehicle to a target antenna selected from a plurality of antennas of the unmanned aerial vehicle according to the relative direction and radiation patterns of the plurality of antennas, so that the ADS-B device obtains and analyzes an ADS-B signal from the target aircraft received by the target antenna. The radiation patterns of the plurality of antennas are different from each other.