Patent classifications
H04B17/10
Satellite beamforming
A beam former processor receives a group of signals for transmission through the plurality of amplifiers, wherein the group of signals is less than a total number of feeds in an antenna array. The beam former processor determines terrestrial regions for transmitting the group of signals. The beam former processor identifies a subset of feeds that are configured to form beams covering the terrestrial regions. The beam former processor controls the switching circuitry to route the group of signals from the plurality of amplifiers to the subset of feeds through the switching circuitry, such that the subset of feeds are enabled to form beams that cover the terrestrial regions based on the group of signals.
ANTENNA MODULE FOR GENERATING SELF TESTING SIGNAL AND ELECTRONIC DEVICE USING IT
The present disclosure relates to a 5th (5G) generation or pre-5G communication system for supporting a higher data transmission rate beyond a 4th (4G) generation communication system such as long term evolution (LTE). According to various embodiments of the present disclosure, an antenna module may include at least one transmission chain including a first mixer configured to up-convert a transmission signal into a radio frequency band; at least one frequency generator configured to generate at least one signal; and at least one switch configured to receive the at least one signal generated from the frequency generator, and to selectively deliver the at least one signal to the first mixer, the antenna element, the transmission chain, and the frequency generator.
Method and apparatus for dynamic radio emission compliance monitoring
The disclosure generally relates to a method, apparatus and system for identifying non-compliant radio emissions and for enforcing compliance. In one embodiment, the disclosure relates to a dynamic radiation control of a radio by measuring a signal attribute for an outbound signal having a protocol; comparing the signal attribute with a predefined mask, the predefined mask governed by at least one of a radio location or a signal protocol; and determining whether to transmit the outbound signal.
Electronic device and antenna control method thereof
An electronic device is provided. The electronic device includes a first antenna, a second antenna, a transmission/reception path unit, a first reception path unit, a second reception path unit including a low noise amplifier (LNA), a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit, and a radio frequency integrated circuit (RFIC) module or a processor including the RFIC module configured to control the signal path selection unit to have a first state in which the first antenna is connected to the transmission/reception path unit and the second antenna is connected to the second reception path unit or control the signal path selection unit to have a second state in which the first antenna is connected to the first reception path unit and the second antenna is connected to the transmission/reception path unit.
Over-the-air testing of millimeter wave antenna arrays
A system and method for testing (e.g., rapidly and inexpensively) devices such as integrated circuits (IC) with integrated antennas configured for millimeter wave transmission and/or reception. The method may first perform a calibration operation on a reference device under test (DUT). The calibration operation may determine a set of reference DUT FF base functions and may also generate a set of calibration coefficients. After the calibration step using the reference DUT, the resulting reference DUT FF base functions and the calibration coefficients (or reconstruction matrix) may be used in determining far-field patterns of DUTs based on other field measurements, e.g., measurements taken in the near field of the DUT.
LOW COMPLEXITY TRANSMITTER STRUCTURE FOR ACTIVE ANTENNA SYSTEMS
Various embodiments disclosed herein provide for a low complexity transmitter structure for active antenna arrays by reducing the number of digital predistortion extraction loops that need to be performed. Digital predistortion (DPD) corrects any non-linearities in a power amplifier. By determining which power amplifiers have similar characteristics in an array, and thus may use similar predistortion coefficients, once the DPD coefficients are determine for one of the grouped power amplifiers, DPD can be performed on each of the grouped power amplifiers based on the DPD coefficients.
TRANSMIT-SIGNAL STRENGTH INDICATOR CIRCUIT AND TRANSMITTING CIRCUIT
A transmitting circuit, which includes a power amplifier, a processing circuit, and a signal strength indicator circuit. The power amplifier is configured to amplify an input signal according to a power gain of the power amplifier to generate an output signal. The processing circuit is configured to adjust the power gain according to an indicating signal. The signal strength indicator circuit has a plurality of power detection ranges. The signal strength indicator circuit is configured to uses one of the plurality of power detection ranges to detect a power of the output signal to generate the indicating signal.
CLOSED LOOP APERTURE TUNABLE ANTENNA
An apparatus comprises a radio frequency (RF) antenna circuit; an antenna aperture tuning circuit; an antenna impedance measurement circuit; and a processor circuit electrically coupled to the tunable antenna aperture circuit and the impedance measurement circuit. The processor circuit is configured to: set the antenna aperture tuning circuit to an antenna aperture tuning state according to one or more parameters of an RF communication network; initiate an antenna impedance measurement; and change the antenna aperture tuning state to an antenna aperture tuning state indicated by the antenna impedance.
POWER CONTROL
There is provided a method at a network node equipped with an advance antenna system, AAS. The AAS comprises a plurality of antenna elements and one or more radio frequency integrated circuits, RFICs. Each of the one or more RFICs is associated with one or more of the plurality of antenna elements. The method comprising: capturing a plurality of signal samples of one or more signal chains of each of the one or more RFICs. Each of the one or more signal chains correspond to one or more of the plurality of antenna elements and a signal sample is associated with an envelope power level at an output of the respective signal chain; and summing at least a subset of the plurality of signal samples to obtain a short term average power value at the AAS.
METHODS, SYSTEMS, AND DEVICES FOR ADJUSTING AN ANTENNA ARRAY OF A COMMUNICATION DEVICE TO PROVIDE COARSE POWER ADJUSTMENT
Aspects of the subject disclosure may include, for example, obtaining a reference signal, power information regarding the reference signal, and maximum power threshold for the communication device from a base station over a communication network. Further embodiments can include measuring a power of reference signal obtained from the base station resulting in a measure power, and determining a path loss between the base station and the communication device based on the measured power. Additional embodiments can include adjusting the antenna array to generate a coarse power adjustment for the communication device based on the path loss and the maximum power threshold, and providing a transmission signal to the base station according to the coarse power adjustment over the communication network. Other embodiments are disclosed.