Patent classifications
H04B17/13
Electronic device and wireless communication system thereof
An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.
Electronic device and wireless communication system thereof
An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.
Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations
Systems and methods for a scalable test model for a cellular communications system having multiple different bandwidth and subcarrier combinations are disclosed. Embodiments of a method performed by a test node and corresponding embodiments of a test node are disclosed. In some embodiments, a method performed by a test node comprises generating a test signal for a particular bandwidth and subcarrier spacing combination, the test signal being in accordance with a test model that is scalable for a plurality of different bandwidth and subcarrier spacing combinations. By using the scalable test model, the test model can be flexibly used to test for different bandwidth and subcarrier spacing combinations.
METHOD AND APPARATUS FOR TEMPERATURE-BASED ANTENNA SELECTION
An electronic device having multiple antenna groups for data communication may determine a temperature of a first antenna group and determine a power gain of a second antenna group. The electronic device may communicate using the second antenna group in response to determining that the temperature of the first antenna group exceeds a temperature threshold and the power gain of the second antenna group exceeds a gain threshold. In some embodiments, the electronic device may receive communication link preferences, determine an antenna group that is disposed outside of thermal hotspots of the electronic device, and determine a beam that enables the communication link preferences via the antenna group. The electronic device may then transmit or receive data via the antenna group by forming the beam.
METHOD AND APPARATUS FOR TEMPERATURE-BASED ANTENNA SELECTION
An electronic device having multiple antenna groups for data communication may determine a temperature of a first antenna group and determine a power gain of a second antenna group. The electronic device may communicate using the second antenna group in response to determining that the temperature of the first antenna group exceeds a temperature threshold and the power gain of the second antenna group exceeds a gain threshold. In some embodiments, the electronic device may receive communication link preferences, determine an antenna group that is disposed outside of thermal hotspots of the electronic device, and determine a beam that enables the communication link preferences via the antenna group. The electronic device may then transmit or receive data via the antenna group by forming the beam.
Reference signals for power amplifier compression measurements
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive a set of reference signals having different levels of power amplifier compression. The mobile station may transmit a measurement report based at least in part on measurements of the set of reference signals. Numerous other aspects are described.
Reference signals for power amplifier compression measurements
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive a set of reference signals having different levels of power amplifier compression. The mobile station may transmit a measurement report based at least in part on measurements of the set of reference signals. Numerous other aspects are described.
ELECTRONIC DEVICE AND WIRELESS COMMUNICATION SYSTEM THEREOF
An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.
ELECTRONIC DEVICE AND WIRELESS COMMUNICATION SYSTEM THEREOF
An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.
TWO DIMENSIONAL GAIN CALIBRATION FOR ANALOG COMPONENT
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may identify, for a set of frequency values and a set of temperature values, characterization gain values associated with an analog component. The device may determine a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency and a second observed gain associated with a target frequency. The device may determine a temperature contribution based at least in part on comparing a first characterization gain value associated with a reference temperature and a second characterization gain value associated with a target temperature. The device may determine a gain offset for the target temperature and the target frequency based at least in part on combining the frequency and temperature contributions. The device may configure the gain offset for the analog component. Numerous other aspects are described.