In an embodiment, an apparatus includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on modulating the calibration signal. The calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, the receive section includes a second RF section and a calibration section, the second RF section is configured to generate a received calibration signal based on the RF calibration signal, the received calibration signal and a reference signal associated with the RF calibration signal comprise inputs to the calibration section and the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.

In an embodiment, an apparatus includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on modulating the calibration signal. The calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, the receive section includes a second RF section and a calibration section, the second RF section is configured to generate a received calibration signal based on the RF calibration signal, the received calibration signal and a reference signal associated with the RF calibration signal comprise inputs to the calibration section and the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.

A radio frequency device has a multifunctional tuner that stores measurements of reflection coefficient parameter in a register. The radio frequency device also has a transceiver that has a transmitter. The transceiver may detect a transmitter signal from the transmitter to an antenna in an initial tuning state and then determine whether the transmitter signal is stable. In response to the transmitter signal being stable, the transceiver may measuring the reflection coefficient parameters at the multifunctional tuner. Furthermore, the radio frequency device has a baseband controller that has a memory to store instructions and a processor to execute the instructions. The instructions cause the processor to determine an antenna impedance based on the reflection coefficient parameters, and in response to determining that the antenna impedance is greater than or less than a threshold antenna impedance, iteratively tune the antenna using the multifunctional tuner.

A radio frequency device has a multifunctional tuner that stores measurements of reflection coefficient parameter in a register. The radio frequency device also has a transceiver that has a transmitter. The transceiver may detect a transmitter signal from the transmitter to an antenna in an initial tuning state and then determine whether the transmitter signal is stable. In response to the transmitter signal being stable, the transceiver may measuring the reflection coefficient parameters at the multifunctional tuner. Furthermore, the radio frequency device has a baseband controller that has a memory to store instructions and a processor to execute the instructions. The instructions cause the processor to determine an antenna impedance based on the reflection coefficient parameters, and in response to determining that the antenna impedance is greater than or less than a threshold antenna impedance, iteratively tune the antenna using the multifunctional tuner.

A method for programming a network transceiver is provided. The method includes: providing a network transceiver having a programming interface; obtaining transceiver identification information via a radio-frequency transceiver programming system (RTPS); obtaining, via the RTPS, configuration data for the network transceiver based on the transceiver identification information; transmitting, via the RTPS, at least some of the configuration data via a radio-frequency (RF) interface; and programming the network transceiver via the programming interface using the at least some of the configuration data received via the RF interface. Corresponding systems, apparatuses (including smart labels, host devices, and transceivers) are also provided.

A method for programming a network transceiver is provided. The method includes: providing a network transceiver having a programming interface; obtaining transceiver identification information via a radio-frequency transceiver programming system (RTPS); obtaining, via the RTPS, configuration data for the network transceiver based on the transceiver identification information; transmitting, via the RTPS, at least some of the configuration data via a radio-frequency (RF) interface; and programming the network transceiver via the programming interface using the at least some of the configuration data received via the RF interface. Corresponding systems, apparatuses (including smart labels, host devices, and transceivers) are also provided.

In various embodiments, methods, systems, and vehicle apparatuses are provided. A method to selectively pair an in-vehicle display to a mobile device used by a passenger with an in-vehicle display system when seated in the vehicle, including receiving, by a processor of a vehicle, notification via a rideshare app of a request for a ride to a destination; in response, to the passenger entering the vehicle, initiating a pairing operation of a system of the vehicle with a passenger's mobile device based on the capture by the passenger using the passenger's mobile device of a QR code displayed in the vehicle; displaying a QR code for capture by the passenger's mobile device in the vehicle and initiating a wireless connection with the passenger's mobile device wherein the wireless connection is a secure connection based on an identification of the passenger and passenger location in the vehicle based on the QR code.

In an embodiment, a communications system includes a first transmitter including a digital beamforming baseband section configured to receive an input signal to be transmitted, the input signal at a baseband frequency, and a modulation section electrically coupled to the digital beamforming baseband section and a first antenna of a phased array antenna. The modulation section is configured to receive a local oscillator signal at a first local oscillator frequency and apply a baseband frequency shift to the input signal to generate a baseband frequency shifted input signal. The modulation section generates a modulated signal based on the input signal. The communication system includes a second transmitter included in a second IC chip of the plurality of IC chips electrically coupled to a second antenna and configured to provide a second modulated signal at the carrier frequency and a second LO leakage signal at a second local oscillator frequency.

In an embodiment, a communications system includes a first transmitter including a digital beamforming baseband section configured to receive an input signal to be transmitted, the input signal at a baseband frequency, and a modulation section electrically coupled to the digital beamforming baseband section and a first antenna of a phased array antenna. The modulation section is configured to receive a local oscillator signal at a first local oscillator frequency and apply a baseband frequency shift to the input signal to generate a baseband frequency shifted input signal. The modulation section generates a modulated signal based on the input signal. The communication system includes a second transmitter included in a second IC chip of the plurality of IC chips electrically coupled to a second antenna and configured to provide a second modulated signal at the carrier frequency and a second LO leakage signal at a second local oscillator frequency.

An autonomous electric vehicle comprises a battery electrically connected to the electric motor for powering the electric motor and a battery status prediction module to predict, based on event data from a mobile device of a user of the vehicle, whether the vehicle will be parked at a destination and a time period when the vehicle will be parked. The battery status prediction module predicts a predicted battery status at the end of the time period based on a temperature profile for the time period obtained from a remote weather server. The battery status prediction module determines if the predicted battery status at the end of the time period will have at least a minimum battery capacity to travel a distance to a charging station determined by the battery status prediction module from the destination and a location of the charging station.