Abstract: A millimeter wave antenna and a process design of a millimeter wave antenna are provided. The millimeter wave antenna includes a substrate and an antenna attached to the substrate. The substrate includes a first region and a second region. A thickness of the first region is less than a thickness of the second region. The antenna is arranged on the first region. According to the present application, the millimeter wave antenna enables the substrate attached with the antenna to be as thin as possible, such that a medium structure of the first region of the substrate is changed, reducing an energy loss while a millimeter wave is being transmitted.

Abstract: A system for millimeter wave-based fire detecting and rescuing and a method thereof are provided, the system including: an environmental obtaining device, a millimeter wave detector, a wireless transmitter, and a monitoring terminal, which are interconnected and arranged in an environment. The environmental obtaining device is configured to collect environmental information and send the environmental information to the wireless transmitter when the environmental information is determined to include fire information. The millimeter wave detector is configured to perform all-weather scanning on the environment to obtain characteristics and location information of a living organism in the environment, and send the characteristics and location information to the wireless transmitter. The wireless transmitter is configured to report the above information to the monitoring terminal through a millimeter wave, and the monitoring terminal stores the characteristics and location information.

Abstract: The present disclosure relates to a communication zone allocation method for a terminal. The method includes: controlling antenna array to receive received signals from a target terminal at a plurality of beam angles under the condition of minimum beam width according to a corresponding relationship between beam width, beam angle and antenna array parameters established in advance; determining a direction of the target terminal according to signal quality of the received signals received at the plurality of beam angles; and setting an exclusive communication zone for the target terminal according to the direction of the target terminal and a target beam width required by the target terminal.

Abstract: A system for millimeter wave-based fire detecting and rescuing and a method thereof are provided, the system including: an environmental obtaining device, a millimeter wave detector, a wireless transmitter, and a monitoring terminal, which are interconnected and arranged in an environment. The environmental obtaining device is configured to collect environmental information and send the environmental information to the wireless transmitter when the environmental information is determined to include fire information. The millimeter wave detector is configured to perform all-weather scanning on the environment to obtain characteristics and location information of a living organism in the environment, and send the characteristics and location information to the wireless transmitter. The wireless transmitter is configured to report the above information to the monitoring terminal through a millimeter wave, and the monitoring terminal stores the characteristics and location information.

Abstract: The present disclosure relates to a communication zone allocation method for a terminal. The method includes: controlling antenna array to receive received signals from a target terminal at a plurality of beam angles under the condition of minimum beam width according to a corresponding relationship between beam width, beam angle and antenna array parameters established in advance;determining a direction of the target terminal according to signal quality of the received signals received at the plurality of beam angles; and setting an exclusive communication zone for the target terminal according to the direction of the target terminal and a target beam width required by the target terminal.

Abstract: The present disclosure relates to a wireless communication technology, and provides a method for adjusting an antenna parameter, a radio device, and an apparatus with a storage function. The method may include: acquiring a target environmental data set, wherein the target environmental data set includes environmental data of an antenna assembly in a current location; comparing the target environmental data set with an environmental data set corresponding to a preset scene; determining a first preset scene to which an antenna assembly corresponding to the target environment data set belongs, to obtain a preset antenna parameter corresponding to the first preset scene, and setting a parameter of the antenna assembly for a radio signal to the preset antenna parameter, wherein the first preset scene is a preset scene to which the current location of the antenna assembly belongs.

Abstract: A millimeter wave antenna and a process design of a millimeter wave antenna are provided. The millimeter wave antenna includes a substrate and an antenna attached to the substrate. The substrate includes a first region and a second region. A thickness of the first region is less than a thickness of the second region. The antenna is arranged on the first region. According to the present application, the millimeter wave antenna enables the substrate attached with the antenna to be as thin as possible, such that a medium structure of the first region of the substrate is changed, reducing an energy loss while a millimeter wave is being transmitted.

Abstract: A video recording system includes an input unit and a video recording unit. The input unit generates a first operation signal upon receipt of a first trigger, and generates a second operation signal upon receipt of a second trigger. The video recording unit initiates operation in a first recording mode and records at a first frame rate in the first recording mode upon receipt of the first operation signal, and switches operation into a second recording mode and records in the second recording mode at a second frame rate that is different from the first frame rate upon receipt of the second operation signal when the video recording unit operates in the first recording mode.

Abstract: A video recording system includes an input unit and a video recording unit. The input unit generates a first operation signal upon receipt of a first trigger, and generates a second operation signal upon receipt of a second trigger. The video recording unit initiates operation in a first recording mode and records at a first frame rate in the first recording mode upon receipt of the first operation signal, and switches operation into a second recording mode and records in the second recording mode at a second frame rate that is different from the first frame rate upon receipt of the second operation signal when the video recording unit operates in the first recording mode.

Abstract: A wireless communication device that includes a power amplifier and an antenna is provided. The power amplifier includes a first and a second power amplifying paths and a first and a second matching modules. The first and the second power amplifying paths receive a first and a second input signals respectively. The first matching module includes a first input variable load and a first phase-shifting circuit to respectively adjust the magnitude and the phase of the first input signal to generate a first output signal. The second matching module includes a second input variable load and a second phase-shifting circuit to respectively adjust the magnitude and the phase of the second input signal to generate a second output signal. The antenna is coupled to the power amplifier to transmit the first and the second output signals.

Abstract: An antenna system includes a ground plane, a microstrip-line coupler, a metal cover, and a main antenna. The microstrip-line coupler has a first input port, a second input port, a first output port, and a second output port. The metal cover is disposed above the microstrip-line coupler and coupled to the ground plane. The main antenna is coupled to the first output port and the second output port of the microstrip-line coupler. The metal cover is configured to reduce the interference from the microstrip-line coupler and to enhance the gain of the main antenna.

Abstract: A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array at least includes a first antenna and a second antenna. The first and second antennas are both embedded in the dielectric substrate. The first and second antennas have different polarizations. The transceiver is coupled to the antenna array so as to transmit or receive a signal. The polarization of the antenna array may be dynamically adjusted by controlling a phase difference between the first antenna and the second antenna.

Abstract: A tunable impedance matching circuit is provided for matching a signal source to an impedance of an antenna. The tunable impedance matching circuit includes two terminals, a series path, and two shunt paths. The first terminal is coupled to the signal source, and the second terminal is coupled to the antenna. The series path is coupled between the first terminal and the second terminal and includes a first tunable capacitor and at least one tunable inductor. One of the two shunt paths is coupled between the first terminal and a ground end, and the other one of the two shunt paths is coupled between the second terminal and the ground end. Each of the shunt paths includes a second tunable capacitor.

Abstract: A wireless communication device that includes a power amplifier and an antenna is provided. The power amplifier includes a first and a second power amplifying paths and a first and a second matching modules. The first and the second power amplifying paths receive a first and a second input signals respectively. The first matching module includes a first input variable load and a first phase-shifting circuit to respectively adjust the magnitude and the phase of the first input signal to generate a first output signal. The second matching module includes a second input variable load and a second phase-shifting circuit to respectively adjust the magnitude and the phase of the second input signal to generate a second output signal. The antenna is coupled to the power amplifier to transmit the first and the second output signals.

Abstract: An electronic device includes an antenna, an RF circuit, and a matching circuit. The matching circuit is configured to provide variable impedance between the antenna and the RF circuit, wherein the matching circuit includes a first element having a first terminal and a second terminal, and wherein the first terminal is coupled to the antenna; a second element having a third terminal connected to the second terminal of the first element and a fourth terminal coupled to the RF circuit; a first tuning cell connected to the second terminal of the first element and the third terminal of the second element, and comprising a first tuning element, a second tuning element and a first control element, wherein the first control element determines whether to make a first node connected between the first and second tuning elements couple to a voltage level.

Abstract: An antenna system includes a ground plane, a microstrip-line coupler, a metal cover, and a main antenna. The microstrip-line coupler has a first input port, a second input port, a first output port, and a second output port. The metal cover is disposed above the microstrip-line coupler and coupled to the ground plane. The main antenna is coupled to the first output port and the second output port of the microstrip-line coupler. The metal cover is configured to reduce the interference from the microstrip-line coupler and to enhance the gain of the main antenna.

Abstract: A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array includes a first antenna, a second antenna, and a third antenna. The third antenna is disposed between the first and second antennas so as to reduce coupling between the first and second antennas. The first, second and third antennas are all embedded in the dielectric substrate and substantially arranged in a straight line. Each of the first and second antennas is a transmission antenna and the third antenna is a reception antenna, or each of the first and second antennas is a reception antenna and the third antenna is a transmission antenna. The transceiver is coupled to the antenna array and is configured to transmit or receive a signal.

Abstract: An electronic device for processing radio frequency signals includes an antenna, an RF circuit, and a matching circuit. The matching circuit provides variable impedance between the antenna and the RF circuit. The antenna is capable of operating in a first frequency band or a second frequency band according to the variable impedance The matching circuit includes a first element; a second element; a first tuning cell connected to the first element and the second element, and comprising a first tuning element, a second tuning element and a first control element, the first control element determining whether to make a first node connected between the first and second tuning elements couple to a voltage level according to a first control signal; and a selecting circuit coupled to the first control element and configured to generate the first control signal so as to adjust the variable impedance.

Abstract: A tunable impedance matching circuit is provided for matching a signal source to an impedance of an antenna. The tunable impedance matching circuit includes two terminals, a series path, and two shunt paths. The first terminal is coupled to the signal source, and the second terminal is coupled to the antenna. The series path is coupled between the first terminal and the second terminal and includes a first tunable capacitor and at least one tunable inductor. One of the two shunt paths is coupled between the first terminal and a ground end, and the other one of the two shunt paths is coupled between the second terminal and the ground end. Each of the shunt paths includes a second tunable capacitor.

Abstract: A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array at least includes a first antenna and a second antenna. The first and second antennas are both embedded in the dielectric substrate. The first and second antennas have different polarizations. The transceiver is coupled to the antenna array so as to transmit or receive a signal. The polarization of the antenna array may be dynamically adjusted by controlling a phase difference between the first antenna and the second antenna.