48 results about "Antenna tuner" patented technology

Certain aspects of the present disclosure provide techniques for multi-stage impedance tuning for a radio frequency (RF) transmitter. An example apparatus includes RF circuitry comprising an amplifier, an impedance tuning circuit coupled to an output of the amplifier, and an antenna tuner coupled between an antenna feed and an output of the impedance tuning circuit. The apparatus further includes one or more memories and one or more processors coupled to the one or more memories. The one or more processors are configured to cause the apparatus to configure at least one parameter of the impedance tuning circuit or the amplifier based at least in part on at least one load characteristic at the antenna feed; and communicate one or more signals via the RF circuitry while the at least one parameter is configured based at least in part on the at least one load characteristic at the antenna feed.

The utility model discloses a real-time vector detection device based on a radio frequency signal short-wave antenna tuner, which comprises a radio frequency signal sampling module, an AGC, an AD and an FPGA, the sampling input end of the radio frequency signal sampling module is connected with a radio frequency path, and the output end of the radio frequency signal sampling module is provided with a forward signal end and a reverse signal end and is connected to the AGC; the AGC can perform gain attenuation processing on an input forward signal and an input reverse signal, an output end of the AGC is provided with a forward signal end and a reverse signal end which are respectively connected to a sampling input end of the AD, the AD is a dual-channel over-sampling analog-to-digital conversion module, an output end of the AD is connected with the FPGA, an input clock of the FPGA is 100MHz, the DDS is realized by adopting an IP core design, the FPGA can realize sampling, calculation and frequency mixing, and the FPGA is connected with the FPGA. And the matching network is controlled to realize tuning and system protection or alarm according to the calculated impedance value and standing-wave ratio. According to the utility model, the hardware circuit is simplified, the power standing-wave ratio condition of the access can be detected in real time, the detection efficiency is improved, the use is convenient, and the detection is efficient and accurate.

The invention discloses a low-power-consumption short-wave portable antenna tuner and a working method thereof. The antenna tuner comprises a hardware module and a software module. The working method comprises the following steps: when the short-wave radio station works normally, all circuits are in a normal working state; after tuning of the short-wave portable antenna tuner is finished, the FPGA performs zero clearing processing on the control pin of the magnetic latching relay, so that the control pin is in a state of lowest power consumption; when the short-wave portable antenna tuner is in a normal working state, the short-wave portable antenna tuner works normally if receiving a radio station action instruction within a set time, otherwise, the hardware module and the software module enter a dormant state, the FPGA internal logic only keeps a dormant awakening module, and a trigger mechanism of a falling edge is started; and when a radio station sends data to the short-wave portable antenna tuner, the FPGA quickly awakens all hardware modules and software modules in a dormant state, so that the short-wave portable antenna tuner enters a normal working state. The invention has the advantages of low power consumption, simple circuit structure, few discrete components, low cost and 100% localization.

A method for performing antenna control in a wireless communications system with aid of joint decision of antenna selection and tuning for antenna performance optimization and associated apparatus are provided. The method may include: during a runtime stage among multiple stages, dynamically determining any action of a state change among multiple actions according to a set of runtime measurements and a pre-defined database in a storage device within the wireless transceiver device; and during the runtime stage, performing the any action to selectively adjust a hybrid state of the wireless transceiver device, the hybrid state being a combination of a switch state of a switch circuit for antenna selection within the communication control circuit and at least one tuner state of at least one antenna tuner for antenna tuning within the communication control circuit, for performing at least one adjustment among a switch state adjustment and a tuner state adjustment.

Devices, systems, and methods for dynamic antenna (120) tuning compensation. One example method (300) includes controlling a transmitter (108A) to transmit a first plurality of signals (402), each of the first plurality of signals (402) having a fundamental frequency different from the others. The method (300) includes controlling a receiver (108B) to receive a second plurality of signals (404), wherein each of the second plurality of signals (404) is received at a harmonic frequency of one of the first plurality of signals (402). The method (300) includes determining at least one tuning parameter for an antenna tuner (108C) based on the second plurality of signals (404). The method (300) includes controlling the antenna tuner (108C) to operate using the at least one tuning parameter.

This invention discloses a real-time online calibration system and method for a vector antenna tuner. The system includes a debugging terminal communicatively connected to the vector antenna tuner. The vector antenna tuner is equipped with a detection device, which includes a temperature sensor module, a DDS control module, a DDS measurement module, a switching module, and an OSL calibration module, all communicatively connected in sequence. In the method, the debugging terminal sends a calibration command to the DDS control module, or the temperature sensor module detects low-temperature environment information and sends it to the DDS control module. The DDS control module automatically triggers the calibration command, controls the switching module to switch states, and simultaneously controls the OSL calibration module to perform calibration in the corresponding state. This achieves real-time online automatic calibration of the antenna tuner, eliminating the need to repeatedly open and close the device and plug and unplug calibration components. It solves the problem of inaccurate impedance measurement caused by deviations in the original room-temperature calibration data due to component parameter drift in low-temperature environments, thus improving reliability and saving manpower and resources.

The invention discloses an antenna tuning matching network circuit of a mobile platform short wave shunt-fed antenna and a tuning method of the antenna tuning matching network circuit. The circuit comprises a series inductor L1, a series capacitor C2, a parallel inductor L2 and a parallel capacitor C1, one end of the series inductor L1 is connected with one end of a shunt-fed antenna, the other end of the series inductor L1 is connected with one end of the series capacitor C2, and the other end of the series capacitor C2 is connected with one end of a power amplifier; the common end of the series inductor L1 and the series capacitor C2 is connected to one end of the parallel inductor L2 and one end of the parallel capacitor C1. The other end of the shunt inductor L2 is connected with the other end of the shunt capacitor C1, and the common end is connected to the other end of the shunt-fed antenna and the other end of the power amplifier. According to the input impedance admittance data of the mobile platform short-wave shunt-fed antenna, tuning is carried out in multiple frequency band ranges. According to the invention, perfect matching of the short-wave shunt-fed antenna which shows strong capacitance in a high frequency band and even has a second resonance point is realized, so that the tuning capability of the antenna tuner is improved, and the communication effect is improved.

Methods and apparatus for dynamic transmission power limit adjustment over antenna tuner states with radio frequency (RF) exposure compliance are described. An example method includes determining RF exposure characterizations per (i) transmit scenario supported by a wireless device and (ii) tuner code setting associated with a tuner (s) coupled to a transmit antenna (s) of the wireless device. A respective transmit power limit is determined for the transmit antenna (s) for each transmit scenario and tuner code setting, in compliance with an RF exposure limit, based at least on the RF exposure characterizations. Indications of the transmit power limits are stored. In some example methods, a signal is transmitted from the transmit antenna (s) of a wireless device at a transmission power level based on the indications of the transmit power limits, in compliance with an RF exposure limit.

An apparatus includes a power amplifier, a first inductor coupled to the power amplifier, a second inductor magnetically coupled with the first inductor, and an impedance matching circuit having a first terminal and a second terminal, wherein the first terminal is coupled to the second inductor, and the second terminal is coupled to an antenna port. The impedance matching circuit includes a third inductor coupled between the first terminal and the second terminal, wherein the third inductor overlaps the first inductor and the second inductor, and one or more capacitors coupled to the third inductor.

Radio frequency feed line for connecting an HF radio tuner to a tunable antenna. Radio frequency feed line (1) for connecting an HF radio tuner to a tunable antenna, with a length between 0.7 m and 3 m, comprising: a central conductor wire (2); an electrically insulating sheath (3) surrounding the conductor wire (2); an electrically insulating layer (4) comprising nested frustoconical eyelets (4a) with a maximum radius between 2 and 3 cm; a heat-shrinkable sleeve (5) encasing the electrically insulating layer (4); and two self-amalgamating sleeves (6) at both ends of the electrically insulating layer (4). Figure for the abstract: [Fig. 1]

The invention discloses an SMD (Surface Mounted Device) antenna and an application device thereof, and the SMD antenna comprises a PCB (Printed Circuit Board) substrate, a tuning element, a floor, and a feeder line and a coupling line which are formed by removing a metal conductive layer on the PCB substrate, the feeder line is used for coupling a received first signal to the coupling line in an electromagnetic coupling mode, and the coupling line generates a second signal under the action of the feeder line and excites the floor to generate radiation. Therefore, only a small usable area needs to be reserved on the PCB substrate for feeding, double-frequency radiation can be generated through the SMD antenna and the coupling line excitation floor, so that the usable area of the PCB antenna device is reduced, the occupied space of the PCB antenna device is small, and the PCB antenna device can be applied to increasingly-miniaturized electronic devices and is particularly suitable for IOT equipment in the wifi frequency band, the Bluetooth frequency band, the UWB frequency band and the like.

This application provides a method, device, medium, and program product for controlling the pin level state of an antenna tuner, including: obtaining a pin level configuration command, the pin level configuration command including a target pin level state configuration for a target frequency band; and setting the pin level state of the antenna tuner in the target frequency band according to the target pin level state configuration for the target frequency band. This reduces the cost of configuring the antenna tuner and improves the flexibility and efficiency of antenna tuner configuration.

1. The name of the design product: Antenna automatic tuner (Tian Tiao-FT-500AT). 2. The use of the design product: for completing the impedance matching between the antenna and the transceiver. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Devices, systems, and methods for dynamic antenna (120) tuning compensation. One example method (300) includes controlling a transmitter (108A) to transmit a first plurality of signals (402), each of the first plurality of signals (402) having a fundamental frequency different from the others. The method (300) includes controlling a receiver (108B) to receive a second plurality of signals (404), wherein each of the second plurality of signals (404) is received at a harmonic frequency of one of the first plurality of signals (402). The method (300) includes determining at least one tuning parameter for an antenna tuner (108C) based on the second plurality of signals (404). The method (300) includes controlling the antenna tuner (108C) to operate using the at least one tuning parameter.

Certain aspects of the present disclosure provide techniques for multi-stage impedance tuning for a radio frequency (RF) transmitter. An example apparatus includes RF circuitry comprising an amplifier, an impedance tuning circuit coupled to an output of the amplifier, and an antenna tuner coupled between an antenna feed and an output of the impedance tuning circuit. The apparatus further includes one or more memories and one or more processors coupled to the one or more memories. The one or more processors are configured to cause the apparatus to configure at least one parameter of the impedance tuning circuit or the amplifier based at least in part on at least one load characteristic at the antenna feed; and communicate one or more signals via the RF circuitry while the at least one parameter is configured based at least in part on the at least one load characteristic at the antenna feed.

An antenna tuner receives outputs of detectors coupled to an input and / or an output of each power amplifier (PA) of a plurality of PAs of a multiple antenna system. A processor of the antenna tuner is configured to process the detector outputs and to generate at least one of a gm gate bias value and a cascode gate bias value to be applied to gm and cascode gates, respectively, of a last stage of each of the PAs to change the shape of an input amplitude-to-output amplitude (AM-AM) response of each of the PAs independently of one another. The processor can also be configured to process the detector outputs to generate a varactor bias value to be applied to a terminal of a varactor of each of the PAs to change the shape of an input amplitude-to-output phase shift (AM-PM) response of each of the PAs independently of one another.

Methods and apparatus for dynamic transmission power limit adjustment over antenna tuner states with radio frequency (RF) exposure compliance are described. An example method includes determining RF exposure characterizations per (i) transmit scenario supported by a wireless device and (ii) tuner code setting associated with a tuner (s) coupled to a transmit antenna (s) of the wireless device. A respective transmit power limit is determined for the transmit antenna (s) for each transmit scenario and tuner code setting, in compliance with an RF exposure limit, based at least on the RF exposure characterizations. Indications of the transmit power limits are stored. In some example methods, a signal is transmitted from the transmit antenna (s) of a wireless device at a transmission power level based on the indications of the transmit power limits, in compliance with an RF exposure limit.

The application further provides a handheld personal assistant device antenna device, and specific technical solutions are as follows: a processor and an antenna end shared by a radio frequency identification ultra-high frequency linear antenna and a diversity antenna; an antenna tuner used for receiving a control signal of the processor, switching a resonance point, and adapting an operating frequency of the ultra-high frequency linear antenna or the diversity antenna; a radio frequency switch module connected with the processor through a first control interface and connected with the antenna end through a plurality of radio frequency channels, and used for switching a radio frequency channel state of the radio frequency identification ultra-high frequency linear antenna and the diversity antenna. The application realizes antenna multiplexing of the radio frequency identification ultra-high frequency linear antenna and the diversity antenna through a switch and an interface, reduces the number of antennas required by a mobile device and hardware cost, improves product competitiveness, and enhances product practicability.

The present disclosure provides an antenna tuning method, device, electronic equipment, storage medium and program product, the method comprising: in response to a first instruction, determining whether the device enters a networkless communication state; in a case where it is determined that the device is in the networkless communication state, adjusting an antenna tuner of the device to a first state; when the antenna tuner is in the first state, the antenna of the device has a first impedance value in a first frequency band; the first impedance value is a matching impedance of the antenna when the device performs networkless communication. Through the present disclosure, the performance of networkless communication can be enhanced.

The present disclosure relates to an antenna tuning device, method, electronic equipment and storage medium. The antenna tuning device comprises a communication access module electrically connected with a control module through a first preset interface, the communication access module is used for sending a wake-up instruction to the control module through the first preset interface in response to a communication request, to instruct the control module to switch from a sleep state to a working state; the control module is electrically connected with an antenna tuner, and is used for sending tuning information associated with the communication request to the antenna tuner, to tune the antenna tuner. The control module in the device switches from the sleep state to the working state when receiving the wake-up instruction, that is, it is in the working state only when the antenna tuner needs to be tuned, which can effectively reduce the power consumption of the control module, and in turn reduce the overall power consumption, prolong the standby time of the terminal equipment, and improve the user experience.

The invention discloses an integrated design method for an airborne short-wave antenna feeder system, and the method comprises the steps: carrying out the targeted design of a matching network of an antenna tuner in simulation software according to an installation impedance parameter provided by antenna simulation, combining the parameters of an antenna tuner selected component, obtaining the loss of the matching network, and carrying out the iteration of the loss into an antenna radiation pattern, forming an antenna radiation direction simulation diagram with antenna feeder efficiency, performing demand interaction on an antenna and an antenna tuner according to the requirements on the gain and the radiation direction of the short-wave antenna feeder system, and performing repeated iteration to obtain a first set of antenna prototype and an antenna tuner prototype; after the whole machine is assembled, the antenna feeder system serves as a whole to test and verify the performance of an antenna prototype and an antenna tuning prototype, repeated iteration testing is carried out by designing an installation environment and using a system with a machine body prosthesis, and finally an installation test is carried out after the optimal performance target of the antenna feeder system is achieved. The radiation efficiency of the antenna feeder system is improved, and the quality of short-wave communication is improved.

The invention provides an antenna tuner, an antenna assembly and electronic equipment, and belongs to the technical field of antennas. The antenna tuner includes: a package structure; the packaging structure body comprises a first part and a second part, and at least one first switch element is integrated in the first part; the first part is provided with at least one first control port, at least one input port and at least one output port; the second part is provided with at least one second control port; the at least one first switch element is electrically connected between the at least one input port and the at least one output port; the at least one first control port and the at least one second control port are electrically connected with the at least one first switch element respectively. According to the antenna tuner, the control signals of at least two communication systems are compatibly received through the first control port and the second control port, and multi-system control of the antenna tuner is achieved.

Devices, systems, and methods for dynamic antenna tuning compensation. One example method includes controlling a transmitter to transmit a first plurality of signals, each of the first plurality of signals having a fundamental frequency different from the others. The method includes controlling a receiver to receive a second plurality of signals, wherein each of the second plurality of signals is received at a harmonic frequency of one of the first plurality of signals. The method includes determining at least one tuning parameter for an antenna tuner based on the second plurality of signals. The method includes controlling the antenna tuner to operate using the at least one tuning parameter.

The invention provides an antenna tuner, an antenna assembly and electronic equipment, and belongs to the technical field of antennas. The antenna tuner includes: a package body; at least two first switch elements are arranged in the packaging body; an input pin, an addressing pin, at least one output pin and at least one control pin are arranged on the outer side of the packaging body; at least one first switch element is arranged between the input pin and the at least one output pin, and at least one first switch element is arranged between the input pin and the addressing pin; each first switch element is electrically connected to at least one control pin. According to the antenna tuner, the addressing pin is used as an output pin, a switch switching channel is added, the function or performance configuration of other pins of the packaging body does not need to be changed, the problems of stray and the like can be effectively reduced, the reliability of the antenna tuner is maintained, and a low-cost implementation scheme for state expansion of the antenna tuner is provided.

The application discloses an antenna tuner based on an internal damping structure, which comprises a cabinet, a vibration isolator, a metal mounting plate, a super-flexible shielding channel and an internal functional module, wherein the cabinet is hung on an aviation platform, one vibration isolator is installed on each of four supporting corners in the cabinet, and the metal mounting plate is installed in the cabinet through the four vibration isolators; the internal functional module is installed on the metal mounting plate, and the internal functional module is connected with external interfaces on the cabinet through the super-flexible shielding channel. The application realizes damping of each functional module of the antenna tuner, has high integration, strong anti-vibration capacity, excellent electromagnetic compatibility, is convenient to install, has strong environmental adaptability, is high in reliability and is suitable for use requirements of a new aviation platform on air equipment.

A method and apparatus for implementing host-centric antenna control. An apparatus may include a plurality of antennas for wireless transmission and reception, a wireless modem for processing a signal for wireless transmission and reception via the antennas, a processor (host), and an antenna tuner circuitry. The processor is configured to run an antenna tuner software module configured to generate a control signal to configure at least one antenna. The antenna tuner circuitry is configured to switch or tune the at least one antenna based on the control signal. The apparatus may include at least one sensor coupled to the processor. The antenna tuner software module may be configured to generate the control signal based on inputs from the at least one sensor. The antenna tuner software module may be configured to receive RF parameters from the wireless modem and generate the control signal based on the RF parameters.

The present disclosure provides an antenna tuning method, device, electronic equipment, storage medium and program product. The method can comprise: determining whether a GNSS engine of the device is in an enabled state; in a case where it is determined that the GNSS engine is in the enabled state, determining whether the device is in a positioning scenario; in a case where it is determined that the device is in the positioning scenario, adjusting an antenna tuner of the device to a GPS optimization state; when the antenna tuner is in the GPS optimization state, the antenna of the device transmits data in a GPS frequency band, and the impedance of the antenna is a preset first value. Through the present disclosure, the performance of GPS positioning can be enhanced.

The invention discloses a short wave transmitting and receiving device based on power amplification. The device comprises a signal interface unit, a power supply unit, a power amplification unit, a harmonic filtering unit, a signal processing unit and a receiving amplification unit, when a signal is transmitted, a voice or data signal is sent to the signal interface unit through upper computer software of a computer, and then enters the signal processing unit for modulation processing; then the radio-frequency signals enter the power amplification unit and the harmonic filtering unit to be processed, and finally the amplified radio-frequency signals are transmitted out through the antenna tuner; when a signal is received, the signal is amplified by the receiving and amplifying unit and then enters the signal processing unit to be demodulated, and finally the demodulated baseband signal is transmitted to a computer to be played or further processed. According to the invention, the efficiency of transmitting and receiving useful short wave signals is improved, the success rate of receiving signals is improved, and the stability of the receiving amplification unit is improved.

An apparatus includes a power amplifier, a first inductor coupled to the power amplifier, a second inductor magnetically coupled with the first inductor, and an impedance matching circuit having a first terminal and a second terminal, where the first terminal is coupled to the second inductor and the second terminal is coupled to an antenna port. The impedance matching circuit includes a third inductor coupled between the first terminal and the second terminal, and one or more capacitors coupled to the third inductor, wherein the third inductor overlaps the first inductor and the second inductor.

A transmitter includes a Loran pulse generator, a dispersion filter, an equalizer, a power amplifier, an antenna tuner, and an antenna. The Loran pulse generator is configured to generate a Loran pulse signal. The dispersion filter is coupled to the Loran pulse generator, and is configured to generate a dispersed signal responsive to the Loran pulse signal. The equalizer is coupled to the dispersion filter, and is configured to generate an equalized dispersed signal responsive to the dispersed signal. The power amplifier is coupled to the equalizer, and configured to generate an amplified signal responsive to the equalized dispersed signal. The antenna tuner is coupled to the power amplifier, and is configured to generate a tuned signal responsive to the amplified signal. The antenna is coupled to the antenna tuner, and is configured to radiate a transmitted signal responsive to the tuned signal.