Small shorted patch antenna

A patch antenna comprising:

• a ground portion having a first long edge and a second long edge opposite to each other, and a first short edge and a second short edge opposite to each other and each connected to said first long edge and said second long edge;
• a radiating portion spaced apart from said ground portion and having a third long edge and a fourth long edge opposite to each other, and a third short edge and a fourth short edge opposite to each other and each connected to said third long edge and said fourth long edge, said third short edge being aligned with said first short edge, said second short edge and said fourth short edge being located on a same side of said first short edge;
• a shorting portion having a first side connected to said first short edge of said ground portion, and a second side opposite to said first side and connected to said third short edge of said radiating portion;
• and
• a feed-in portion connected to said third short edge of said radiating portion, extending from said third short edge towards said first short edge, forming a first slit with said first short edge, and forming a second slit with said shorting portion, said first slit and said second slit being interconnected.

A patch antenna comprising:

• a ground portion having a first long edge and a second long edge opposite to each other, and a first short edge and a second short edge opposite to each other and each connected to said first long edge and said second long edge;
• a radiating portion spaced apart from said ground portion and having a third long edge and a fourth long edge opposite to each other, and a third short edge and a fourth short edge opposite to each other and each connected to said third long edge and said fourth long edge, said third long edge being aligned with said first long edge, said second short edge and said fourth short edge being located on a same side of said first short edge;
• a shorting portion having a first side connected to said first long edge of said ground portion, and a second side opposite to said first side and connected to said third long edge of said radiating portion;
• and
• a feed-in portion connected to said third long edge of said radiating portion, extending from said third long edge towards said first long edge, forming a first slit with said first long edge, and forming a second slit with said shorting portion, said first slit and said second slit being interconnected.