Patent ID: 8604987

Claim:
An antenna assembly, comprising: a first feed board, the first feed board including a ground plane; a first plurality of radiators, the first plurality of radiators being connected to the first feed board; a first RF feed, the first RF feed being connected to the first feed board and the first plurality of radiators, the first RF feed configured for feeding the first plurality of radiators via the first feed board, wherein the first plurality of radiators, in response to receiving said feeding, is configured for radiating electromagnetic energy in a radiation pattern; a second feed board, the second feed board including a ground plane, the second feed board being connected to and stacked upon the first plurality of radiators, the second feed board includes a grooved metal surface portion, the grooved metal surface portion of the second feed board promotes mitigation of scattering caused by the first plurality of radiators; a second plurality of radiators, the second plurality of radiators being connected to the second feed board; a second RF feed, the second RF feed being connected to the second feed board and the second plurality of radiators, the second RF feed configured for feeding the second plurality of radiators via the second feed board, wherein the second plurality of radiators, in response to receiving said feeding from the second RF feed, is configured for radiating electromagnetic energy in a radiation pattern; a third feed board, the third feed board including a ground plane, the third feed board being connected to and stacked upon the second plurality of radiators; an antenna element, the antenna element being connected to the third feed board; and a third RF feed, the third RF feed being connected to the third feed board and the antenna element, the third RF feed being configured for feeding the antenna element via the third feed board, wherein the antenna element, in response to receiving said feeding from the third RF feed, is configured for radiating electromagnetic energy in a radiation pattern, wherein the first plurality of radiators is configured for operating over a first frequency band, the second plurality of radiators is configured for operating over a second frequency band and the antenna element is configured for operating over a third frequency band.