Short-range communication antenna for multi-link communication
A short-range communication antenna for multi-link communication includes a plurality of radiators each independently set to transmit and receive different signals and having a predetermined array structure, in which each of the plurality of radiators includes: a patch-shaped radiating element; a first parasitic element formed to surround the radiating element; and a second parasitic element formed to surround the first parasitic element, wherein each of the plurality of radiators is rotated +90 degrees or −90 degrees compared to adjacent radiators.
1. A short-range communication antenna for multi-link communication, including a plurality of radiators each independently set to transmit and receive different signals and having a predetermined array structure,
in which each of the plurality of radiators includes:
a patch-shaped radiating element;
a first parasitic element formed to surround the radiating element; and
a second parasitic element formed to surround the first parasitic element,
wherein each of the plurality of radiators is rotated +90 degrees or −90 degrees compared to adjacent radiators.
2. The short-range communication antenna for multi-link communication according to claim 1 ,
wherein the first parasitic element and the second parasitic element have an oval shape.
3. The short-range communication antenna for multi-link communication according to claim 2 ,
wherein the patch-shaped radiating element has a feeding point formed at a point other than the center of the radiating element.
4. The short-range communication antenna for multi-link communication according to claim 3 ,
wherein each of the plurality of radiators further includes a plurality of first decoupling elements spaced apart from the second parasitic element, disposed in an external area of the second parasitic element, and arranged in a first direction toward an adjacent radiator.
5. The short-range communication antenna for multi-link communication according to claim 4 ,
wherein each of the plurality of radiators further includes a plurality of second decoupling elements spaced apart from the second parasitic element, disposed in an external area of the second parasitic element, and arranged in a second direction toward another adjacent radiator.
6. The short-range communication antenna for multi-link communication according to claim 5 ,
wherein each of the plurality of first decoupling elements and the plurality of second decoupling elements is arranged at an interval of λ/2.
7. The short-range communication antenna for multi-link communication according to claim 6 ,
wherein the radiating element and the first parasitic element are formed on a first substrate, the second parasitic element, the first decoupling elements and the second decoupling elements are formed on a second substrate located on top of the first substrate, and a ground plane is formed on the lower part of the first substrate.
8. A short-range communication antenna for multi-link communication, including a plurality of radiators each independently set to transmit and receive different signals and having a predetermined array structure,
in which each of the plurality of radiators includes:
a patch-shaped radiating element;
a first parasitic element formed to surround the radiating element;
a second parasitic element formed to surround the first parasitic element; and
a plurality of first decoupling elements spaced apart from the second parasitic element, disposed in an external area of the second parasitic element, and arranged in a first direction toward an adjacent radiator.
9. The short-range communication antenna for multi-link communication according to claim 8 ,
wherein each of the plurality of radiators further includes a plurality of second decoupling elements spaced apart from the second parasitic element, disposed in an external area of the second parasitic element, and arranged in a second direction toward another adjacent radiator.
10. The short-range communication antenna for multi-link communication according to claim 8 ,
wherein each of the plurality of radiators is rotated +90 degrees or −90 degrees compared to adjacent radiators.
11. The short-range communication antenna for multi-link communication according to claim 10 ,
wherein the first parasitic element and the second parasitic element have an oval shape.
12. The short-range communication antenna for multi-link communication according to claim 11 ,
wherein the patch-shaped radiating element has a feeding point formed at a point other than the center of the radiating element.
13. The short-range communication antenna for multi-link communication according to claim 12 ,
wherein each of the plurality of first decoupling elements and the plurality of second decoupling elements is arranged at an interval of λ/2.
14. The short-range communication antenna for multi-link communication according to claim 13 ,
wherein the radiating element and the first parasitic element are formed on a first substrate, the second parasitic element, the first decoupling elements and the second decoupling elements are formed on a second substrate located on top of the first substrate, and a ground plane is formed on the lower part of the first substrate.