Antenna apparatus

An antenna apparatus comprising:

• a ground plane;
• a patch antenna pattern disposed above an upper surface of the ground plane and having a polygonal shape when viewed in a vertical direction perpendicular to the upper surface of the ground plane;
• a first feed via extending through the ground plane in the vertical direction, disposed at a first position biased toward away from a center of the polygonal shape of the patch antenna pattern toward a first side of the patch antenna pattern, and spaced apart from the patch antenna pattern;
• a second feed via extending through the ground plane in the vertical direction, disposed at a second position biased away from the center of the polygonal shape of the patch antenna pattern toward a second side of the patch antenna pattern, and spaced apart from the patch antenna pattern, the second side of the patch antenna pattern being different from the first side of the patch antenna pattern;
• a first feed pattern electrically connected to an upper end of the first feed via, spaced apart from the patch antenna pattern, and configured to provide a first feed path to the patch antenna pattern;
• a second feed pattern electrically connected to an upper end of the second feed via, spaced apart from the patch antenna pattern, and configured to provide a second feed path to the patch antenna pattern;
• and
• a plurality of first dummy patterns arranged three-dimensionally between the first and second feed patterns on a level in the vertical direction between the patch antenna pattern and the first and second feed patterns, each of the plurality of first dummy patterns having a polygonal shape when viewed in the vertical direction,
• wherein at least some of the plurality of first dummy patterns are completely overlapped by the patch antenna pattern when viewed in the vertical direction.

An antenna apparatus comprising:

• a dielectric layer;
• a patch antenna pattern disposed above an upper surface of the dielectric layer and having a polygonal shape when viewed in a vertical direction perpendicular to the upper surface of the dielectric layer;
• a first feed via extending through the dielectric layer in the vertical direction, disposed at a first position biased away from a center of the polygonal shape of the patch antenna pattern toward a first side of the patch antenna pattern, and spaced apart from the patch antenna pattern;
• a second feed via extending through the dielectric layer in the vertical direction, disposed at a second position biased away from the center of the polygonal shape of the patch antenna pattern toward a second side of the patch antenna pattern, and spaced apart from the patch antenna pattern, the second side of the patch antenna pattern being different from the first side of the patch antenna pattern;
• a first feed pattern electrically connected to an upper end of the first feed via, spaced apart from the patch antenna pattern, and configured to provide a first feed path to the patch antenna pattern;
• a second feed pattern electrically connected to an upper end of the second feed via, spaced apart from the patch antenna pattern, and configured to provide a second feed path to the patch antenna pattern;
• a first plurality of extended patch antenna patterns spaced apart from the first feed pattern, and spaced apart from the first side of the patch antenna pattern in a first direction parallel to the patch antenna pattern and away from the center of the polygonal shape of the patch antenna pattern without overlapping the patch antenna pattern in the vertical direction;
• and
• a second plurality of extended patch antenna patterns spaced apart from the second feed pattern, and spaced apart from the second side of the patch antenna pattern in a second direction parallel to the patch antenna pattern and away from the center of the polygonal shape of the patch antenna pattern without overlapping the patch antenna pattern in the vertical direction, the second direction being different from the first direction,
• wherein the first feed pattern comprises a coiled feed pattern that overlaps one extended patch antenna pattern of the first plurality of extended patch antenna patterns when viewed in the vertical direction,
• the second feed pattern comprises a coiled feed pattern that overlaps one extended patch antenna pattern of the second plurality of extended patch antenna patterns when viewed in the vertical direction, and
• when the antenna apparatus is viewed in the vertical direction, the patch antenna pattern is disposed in a first area, the first plurality of extended patch antenna patterns are disposed in a second area separated from the first area and not overlapping the first area, and the second plurality of extended patch antenna patterns are disposed in a third area separated from the first and second areas and not overlapping the first and second areas.