Abstract: A method and apparatus of internal measurement of voltage standing wave ratio in a transmitter includes providing power to hardware comprising the transmitter, transmitting a signal from the transmitter, sampling the signal in both a transmitted feedforward direction toward an antenna and a reflected direction from the antenna, and computing in a processor associated with the transmitter the voltage standing wave ratio on the basis of the feedforward and reflected sampled signals. A method of calculating a voltage standing wave ratio (VSWR) in a transmitter includes storing, in a memory associated with a processor associated with the transmitter, a captured feedforward signal from the transmitter to an antenna, storing, in the memory, a captured feedback signal reflected from the antenna, and calculating the VSWR in the processor on the basis of the stored transmitted and reflected signals.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus correlates the feedback signal to a reference transmit signal to correct time misalignments between the transmit chain and the feedback loop, wherein the reference transmit signal is generated in digital domain at an input to a transmit chain and estimates a transmit signal quality value based on the correlation.

Abstract: Techniques for compensating for interference in a Global Navigation Satellite System (GNSS) receiver of a mobile device are provided. An example method according to these techniques includes determining transmission band information and channel tuning information associated with an operating configuration of a Wireless Wide Area Network (WWAN) transceiver of the mobile device, identifying interference compensation data using the transmission band information and the channel tuning information for compensating for interference caused by the WWAN transceiver at the GNSS receiver, and dynamically configuring notch filters of the GNSS receiver according to the interference compensation data.