US 12,334,637 B2
Metasurface antenna
Sin-Hooi Cheah, Taipei (TW); Kim Hai Wong, Singapore (SG); Wei Liu, Singapore (SG); and Zhining Chen, Singapore (SG)
Assigned to Tyco Electronics Holdings (Bermuda) No. 7 Limited, Taipei (TV); Tyco Electronics Singapore Pte Ltd, Singapore (SG); and National University of Singapore, Singapore (SG)
Filed by Tyco Electronics Holdings (Bermuda) No. 7 Limited, Taipei (TW); Tyco Electronics Singapore Pte Ltd, Singapore (SG); and National University of Singapore, Singapore (SG)
Filed on Mar. 7, 2022, as Appl. No. 17/687,855.
Prior Publication US 2023/0282984 A1, Sep. 7, 2023
Int. Cl. H01Q 15/00 (2006.01); H01Q 9/04 (2006.01); H01Q 21/06 (2006.01)
CPC H01Q 15/0086 (2013.01) [H01Q 9/0407 (2013.01); H01Q 21/065 (2013.01)] 26 Claims
OG exemplary drawing
 
1. An antenna assembly comprising:
a metasurface antenna unit including a radiating structure, a feeding structure coupled to the radiating structure, and a grounding structure;
the radiating structure including radiating elements arranged in an m×n grid of m rows of radiating elements and n columns of radiating elements, where n is greater than m, the radiating elements being separated by radiating slots with edges of the radiating elements facing each other across the radiating slots, each radiating element including a pad and a via extending from the pad through the radiating structure to the ground plane, each pad being rectangular wherein the vias have a spacing between the vias within the row, at least two of the spacings being different from each other;
the grounding structure including a ground plane having a coupling aperture therethrough; and
the feeding structure including a single strip feedline for feeding the radiating elements, the strip feedline passing across the coupling aperture and feeding the radiating structure through the coupling aperture;
wherein at least one of the radiating elements is fed through at least one other radiating element across the corresponding radiating slot.