Patent ID: 8843085

Claim:
A method for pre-optimization of an antenna transmit circuit, comprising: providing an antenna system coupled to a transceiver and a processor, said antenna system comprising a first antenna element and a second antenna element positioned in proximity with said first antenna element, the first and second antenna elements each being coupled to one or more tunable components, wherein said one or more tunable components are adapted to vary a reactance of said first and second antenna elements, respectively; applying transmit power to the first antenna element; setting the one or more tunable components coupled to the second antenna element to one of: a baseline value or a setting from a previous cycle; with said second antenna element being positioned in proximity with said first antenna element, receiving a coupled signal from the first antenna element; sampling forward and reflected power from the second antenna element using the coupled signal to measure performance in a first cycle; adjusting reactance of the one or more tunable components coupled to the second antenna element to one step lower than the baseline value or the setting from a previous cycle; repeating the sampling of forward and reflected power from the second antenna element using the coupled signal in a subsequent cycle; and if reflected power measured in the subsequent cycle is lower than that of the first cycle, adjusting reactance of the one or more tunable components coupled to the second antenna element to one step lower than the baseline value or the setting from a previous cycle and repeating the sampling of forward and reflected power from the second antenna element using the coupled signal in a subsequent cycle, otherwise: adjusting reactance of the one or more tunable components coupled to the second antenna element to one step higher than the baseline value.