To provide an antenna apparatus capable of obtaining non-directionality within a horizontal surface while improving a gain in an elevation angle direction.
An antenna apparatus 1 comprises a plurality of cross dipole antennas (10, 20) each including a pair of dipole antennas (11, 12, 21, 22) disposed to become orthogonal with each other. A plane specified by a pair of dipole antennas (a principal surface 3 of a film 2) is common between the plurality of cross dipole antennas. The plurality of cross dipole antennas are disposed on a plane in such a way that a pair of dipole antennas are disposed side by side at an equal angle (45°) interval on that plane. A length of each of the pair of dipole antennas is set to be n-times ((n) is an integer of ≥2) a center wavelength λ of a frequency band to be used of the pair of dipole antennas.
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Masayuki Sakai
Nobuo Arakawa
Masato Sasaki
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