US 12,244,066 B2
Multi-band massive MIMO antenna array
Jeffrey Shamblin, San Marcos, CA (US); Yang Xu, San Diego, CA (US); and Claudio Anzil, Encinitas, CA (US)
Assigned to INNOPHASE, INC., San Diego, CA (US)
Appl. No. 17/772,861
Filed by Innophase, Inc., San Diego, CA (US)
PCT Filed Oct. 28, 2020, PCT No. PCT/US2020/057782
§ 371(c)(1), (2) Date Apr. 28, 2022,
PCT Pub. No. WO2021/086998, PCT Pub. Date May 6, 2021.
Claims priority of provisional application 62/927,109, filed on Oct. 28, 2019.
Prior Publication US 2022/0384964 A1, Dec. 1, 2022
Int. Cl. H01Q 21/06 (2006.01); H01Q 5/307 (2015.01); H01Q 9/16 (2006.01); H01Q 13/00 (2006.01)
CPC H01Q 21/064 (2013.01) [H01Q 5/307 (2015.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an array of tapered slot antenna elements, each antenna element having a horizontal polarization portion and a vertical polarization portion;
each portion of each antenna element having a first tapered slot formed by a gap in a metallization layer positioned on a first side of a dielectric substrate, and an associated first feedline port formed from a first metallization stripline positioned on a second side of the dielectric substrate, the first metallization stripline crossing over the first gap in the metallization layer to couple electromagnetic radiation from the antenna element to free space within a first frequency band;
at least a subset of the antenna elements having a second slot joined to the first slot and formed by a second gap in the metallization layer positioned on the first side of the dielectric substrate, and an associated second feedline port formed from a second metallization stripline positioned on the second side of the dielectric substrate, the second metallization stripline crossing over the second gap in the metallization layer to couple electromagnetic radiation from the antenna element to free space within a second frequency band, the second frequency band being lower than the first frequency band.