Antenna system and apparatus including the same
An antenna system and an apparatus including the same are provided. The antenna system includes at least one antenna module, wherein the antenna module may include a plurality of antennas formed on one surface of a first board, and a beamforming chip formed on one surface of a second board, wherein the plurality of antennas is connected to the beamforming chip through a plurality of microstrip lines and a waveguide.
1 . An antenna system comprising:
an antenna module,
wherein the antenna module comprises:
a plurality of antennas formed on one surface of a first board; and
a beamforming chip formed on one surface of a second board,
wherein the plurality of antennas is connected to the beamforming chip through a plurality of microstrip lines and a waveguide,
wherein at least a first partial area of the first board overlaps the waveguide at a first surface of the waveguide, and at least a first partial area of the second board overlaps the waveguide at a second surface of the waveguide opposite to the first surface of the waveguide.
2 . The antenna system of claim 1 , wherein
the plurality of microstrip lines comprises:
a first microstrip line connected to the beamforming chip; and
a second microstrip line connected to the plurality of antennas.
3 . The antenna system of claim 2 , wherein
the waveguide is configured to connect the first microstrip line and the second microstrip line.
4 . The antenna system of claim 2 , wherein
a surface comprising a chip pad connected to the first microstrip line among surfaces of the beamforming chip is connected to the one surface of the second board.
5 . The antenna system of claim 1 , wherein
a normal direction of the one surface of the first board is opposite to a normal direction of the one surface of the second board,
a second partial area of the first board extends beyond a region where the first partial area of the first board overlaps the waveguide,
a second partial area of the second board extends beyond a region where the first partial area of the second board overlaps the waveguide,
the second partial area of the first board is greater than the first partial area of the first board, and
the second partial area of the second board is greater than the second partial area of the second board.
6 . The antenna system of claim 5 , wherein
the beamforming chip comprises a plurality of channels corresponding to a number of the plurality of antennas,
the first microstrip line extends across the one surface of the first board from the second partial area of the first board to the first partial area of the first board to connect to the waveguide, and
the second microstrip line extends across the one surface of the second board from the first partial area of the second board to the second partial area of the second board to connect to the plurality of antennas.
7 . The antenna system of claim 1 , wherein
the waveguide comprises a rectangular waveguide.
8 . The antenna system of claim 7 , wherein
a length of the rectangular waveguide is determined based on a number of the plurality of antennas and a width of each of the plurality of microstrip lines.
9 . The antenna system of claim 1 , wherein
the plurality of antennas comprises a plurality of planar antennas.
10 . The antenna system of claim 1 , wherein
the antenna system is for terahertz band-based wireless communication.
11 . A communication apparatus comprising
the antenna system of claim 1 .