Antenna module including dielectric and base station including same
An example embodiment provides an antenna module including at least one antenna array including a first dielectric having a plate shape; a second dielectric disposed on a top of the first dielectric, wherein a top of the second dielectric is separated from the top of the first dielectric by a first distance; a first radiator disposed on the top surface of the second dielectric; and a feeder disposed on the first dielectric and on the second dielectric to supply an RF signal to the first radiator; and a feeder disposed on the first dielectric and the second dielectric and configured to supply a radio frequency (RF) signal to the first radiator.
1. An antenna module comprising at least one antenna array, wherein the antenna module comprises:
a first dielectric having a plate shape for each radiator of the at least one antenna array;
a second dielectric, wherein a first side of the second dielectric is separated from a first side of the first dielectric by a first distance;
a first radiator disposed on the first side of the second dielectric; and
a feeder configured to supply a radio frequency (RF) signal to the first radiator,
wherein the second dielectric is disposed to support the first radiator,
wherein the feeder is associated with a first feeding line for a first polarization and a second feeding line for a second polarization, and
wherein the first feeding line and the second feeding line are formed on a side separate from the first radiator by a second distance and separated from the first dielectric by a third distance.
2. The antenna module of claim 1 ,
wherein a direction of the first feeding line is perpendicular to a direction of the second feeding line.
3. The antenna module of claim 1 , wherein the first distance is determined based on a wavelength of an electronic wave that is radiated from the first radiator.
4. The antenna module of claim 1 ,
wherein the second distance is determined based on a wavelength of an electronic wave that is radiated from the first radiator.
5. The antenna module of claim 1 , further comprising:
a third dielectric, wherein a first side of the third dielectric is separated from the first side of the first dielectric by the first distance;
a second radiator disposed on a second side opposite to the first side of the third dielectric; and
a distributor configured to distribute the RF signal,
wherein the feeder supplies the RF signal distributed by the distributor to each of the first radiator and the second radiator.
6. The antenna module of claim 1 , further comprising:
at least one material disposed on the first side of the first dielectric to dispose the first feeding line and the second feeding line being separated from the second side of first dielectric by the third distance.
7. The antenna module of claim 6 , wherein the third distance is shorter than the first distance and a difference between the first distance and the third distance is determined based on a frequency of an electronic wave that is radiated from the first radiator or an overlapping area of the first radiator and the feeder.
8. The antenna module of claim 1 , further comprising:
a wireless communication chip or a circuit board disposed on a second side opposite to the first side of the first dielectric and configured to supply the RF signal to the feeder,
wherein the antenna module is configured to operate a multiple input multiple output, MIMO, antenna scheme.
9. A base station comprising at least one processor and a plurality of antenna arrays, wherein an antenna module of the base station comprises:
a printed circuit board (PCB);
a first dielectric having a plate shape for each radiator of for an antenna array;
a second dielectric, wherein a first side of the second dielectric is separated from a first side of the first dielectric by a first distance;
a first radiator disposed on the first side of the second dielectric; and
a feeder configured to supply a radio frequency (RF) signal to the first radiator,
wherein the second dielectric is disposed to support the first radiator,
wherein the feeder is associated with a first feeding line for a first polarization and a second feeding line for a second polarization, and
wherein the first feeding line and the second feeding line are formed on a side separate from the first radiator by a second distance and separated from the first dielectric by a third distance.
10. The base station of claim 9 ,
wherein a direction of the first feeding line is perpendicular to a direction of the second feeding line.
11. The base station of claim 9 , further comprising:
a third dielectric, wherein a first side of the third dielectric is separated from the first side of the first dielectric by the first distance;
a second radiator disposed on a second side opposite to the first side of the third dielectric; and
a distributor configured to distribute the RF signal,
wherein the feeder supplies the RF signal distributed by the distributor to each of the first radiator and the second radiator.
12. The base station of claim 9 , further comprising:
at least one material disposed on the first side of the first dielectric to dispose the first feeding line and the second feeding line being separated from the second side of first dielectric by the third distance.
13. The base station of claim 9 , further comprising:
a wireless communication chip or a circuit board disposed on a second side opposite to the first side of the first dielectric and configured to supply the RF signal to the feeder, wherein the antenna module is configured to operate a multiple input multiple output, MIMO, antenna scheme.
14. The antenna module of claim 1 , further comprising:
a separation wall disposed on between antenna arrays.
15. The antenna module of claim 5 ,
wherein the feeder is associated with a third feeding line for the first polarization and a fourth feeding line for the second polarization, and
wherein the third feeding line and the fourth feeding line are formed on a side separated from the second radiator by the second distance and separated from the first side of the first dielectric by the third distance.
16. The antenna module of claim 1 , further comprising:
a metal plate comprising a ground layer, disposed on a second side opposite to the first side of the first dielectric,
wherein the first radiator and each of the first feeding line and the second feeding line are electrically connected via a coupling.
17. The antenna module of claim 1 , wherein the first radiator is formed on the first side of the second dielectric to face the first side of the first dielectric.
18. The antenna module of claim 1 , wherein the second dielectric is disposed to form a space between the first radiator and each of the first feeding line and the second feeding line.