Patent 9154277 was granted and assigned to Texas Instruments on October, 2015 by the United States Patent and Trademark Office.
This patent application considers the configuration aperiodic sounding reference signal parameters by radio resource control signaling and the triggering of aperiodic SRS transmission by detection of a positive trigger in downlink control information. Transmission timing rules are also proposed to determine the valid subframes for aperiodic SRS transmission.