Reprogrammable array of selectable antenna elements for frequency adjustment

A method of signal communication in a mobile device, the method comprising:

• wirelessly communicating using an antenna array that includes a plurality of selectable antenna elements arranged in a rectangular grid;
• selecting a combination of the plurality of selectable antenna elements to connect to a plurality of radio frequency signal conditioning circuits that are partitioned into a plurality of groups including a first group and a second group, each radio frequency circuit of the first group including a power amplifier, a low noise amplifier, and a switch configured to select the power amplifier or the low noise amplifier;
• providing a first radio frequency signal to a first radio frequency splitter from a first output of a crossbar switch, the first radio frequency splitter having a single input receiving the first radio frequency signal and a plurality of outputs each connected to the switch of a corresponding radio frequency circuit of the first group;
• and
• changing an operating frequency of the antenna array from a first frequency band to a second frequency band by using the control circuit to change the combination of the plurality of selectable antenna elements from a first selected combination including all of the selectable antenna elements to a second selected combination including alternating antenna elements of the antenna array.

A radio frequency module, the radio frequency module comprising:

• a module substrate;
• an antenna array including a plurality of selectable antenna elements attached to the module substrate and arranged in a rectangular grid;
• and
• a semiconductor die attached to the module substrate, the semiconductor die including a plurality of radio frequency signal conditioning circuits partitioned into a plurality of groups including a first group and a second group, each radio frequency circuit of the first group including a power amplifier, a low noise amplifier, and a switch configured to select the power amplifier or the low noise amplifier, the semiconductor die further including a first radio frequency splitter having a single input and a plurality of outputs each connected to the switch of a corresponding radio frequency circuit of the first group, and a crossbar switch having a first output configured to provide a first radio frequency signal to the first radio frequency splitter, the semiconductor die further including a control circuit configured to select a combination of the plurality of selectable antenna elements to connect to the plurality of radio frequency circuits, the control circuit configured to change an operating frequency of the antenna array from a first frequency band to a second frequency band by changing the combination of the plurality of selectable antenna elements from a first selected combination including all of the selectable antenna elements to a second selected combination including alternating antenna elements of the antenna array.