LAMINATED WAVEGUIDE, WIRELESS MODULE, AND WIRELESS SYSTEM

摘要

A laminated waveguide includes: a dielectric layer, a first and a second patch antennae formed on a first face of the dielectric layer, a third and a fourth patch antennae formed on a second face of the dielectric layer, the first face being opposite to the second surface, a first and a second transmission lines formed on the dielectric layer and connected to the first and the second patch antennae, respectively, a third and a fourth transmission lines formed on the dielectric layer and connected to the third and the fourth patch antennae, respectively, wherein a pair of the first and the third patch antennae and another pair of the second and the fourth patch antennae are arranged to form an angle between the pair and the another pair so as to suppress interference between the pair and the another pair.

主权项

1. A laminated waveguide, comprising:
a first dielectric layer; a first conductive layer provided on a first surface of the first dielectric layer and having a first slot and a second slot; a second conductive layer provided on a second surface of the first dielectric layer opposite to the first surface and having a third slot and a fourth slot that are formed at positions respectively corresponding to the first slot and the second slot in plan view; a second dielectric layer laminated on the first dielectric layer with the first conductive layer interposed in between; a third dielectric layer laminated on the first dielectric layer with the second conductive layer interposed in between; a first patch antenna formed on the second dielectric layer such that the first patch antenna is located within an opening of the first slot in plan view; a second patch antenna formed on the second dielectric layer such that the second patch antenna is located within an opening of the second slot in plan view; a third patch antenna formed on the third dielectric layer such that the third patch antenna is located within an opening of the third slot in plan view; a fourth patch antenna formed on the third dielectric layer such that the fourth patch antenna is located within an opening of the fourth slot in plan view; a first transmission line formed on the second dielectric layer and connected to a first end of the first patch antenna; a second transmission line formed on the second dielectric layer and connected to a first end of the second patch antenna; a third transmission line formed on the third dielectric layer and connected to an end of the third patch antenna on the same side as a second end of the first patch antenna opposite to the first end in plan view; and a fourth transmission line formed on the third dielectric layer and connected to an end of the fourth patch antenna on the same side as a second end of the second patch antenna opposite to the first end in plan view, wherein a pair of the first patch antenna and the third patch antenna, and another pair of the second patch antenna and the fourth patch antenna are arranged to form an angle between a first amplitude direction of electric fields of the pair and a second amplitude direction of electric fields of the another pair in plan view so as to suppress interference between the pair and the another pair.