Single directional wide-band millimetre wave planar slot antenna

A slot antenna and broadband technology, applied in the direction of slot antenna, antenna, radiating element structure, etc., can solve the problems of antenna bidirectional radiation, low gain, affecting antenna bandwidth, reflection loss, etc., to achieve easy adjustment, easy size, The effect of easy impedance matching

Inactive Publication Date: 2007-08-22
SHANGHAI JIAO TONG UNIV
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  • Summary
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Problems solved by technology

For example, "Broadband CPW-Fed Square Slot Antennas With a Widened Tuning Stub" published by H.D. Chen in "IEEE Transactions on Antennas and Propagation" ("IEEE Transactions on Antennas and Propagation" VOL 51, (2003) 1982-1986) Coplanar waveguide fed wideband rectangular slot antenna"), this paper proposes to use a rectangular wide slot as the ra

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  • Single directional wide-band millimetre wave planar slot antenna

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Embodiment Construction

[0016] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0017] Fig. 1 is a schematic diagram of the antenna structure of the present invention, wherein 1 is a rectangular slot radiation unit; 2 is a coplanar waveguide feeder; 9 is two upper and lower windows opened for the coplanar waveguide; 3 is a rectangular beam guide larger than the rectangular slot radiation unit Slot 7 is the microwave base, 3 and 7 together form a beam guiding structure; 4, 5, and 6 are three layers of concentric rectangular cut-off slits that gradually shrink as reflection structures; 8 is the support of three-layer rectangular cut-off slits 4, 5, ...

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Abstract

This invention relates to a single-way broad band mm wave plane slot antenna, in which, a coplanar waveguide feed line and a rectangle slot radiation unit are set at a same plane on a side of a microwave base, a beam guiding slot is set on the other side of the base, the rectangle cut-off slot is set under the base closing to the rectangle slot radiation unit on a supporting structure, the beam guiding slot, the rectangle radiation slot unit and three-layer or over rectangle cut-off slots are concentric forming similar rectangles getting smaller from the top, this invented coplanar waveguide feed line and impedance can be adjusted easily and the feed part and the radiation unit are coplanar, the rectangle slot radiation unit can reach the requirement of broadband and single-way radiation can be realized by three-layer or more coplanar rectangle cut-off slot reflection structure steadily reduced at the back and a positive wavebeam leading structure.

Description

technical field [0001] The invention relates to an antenna in the technical field of communication, in particular to a unidirectional broadband millimeter-wave antenna based on micro-electromechanical system technology. Background technique [0002] With the development of satellite communications and the increasingly crowded radio channels, radio technology is developing towards shorter and shorter millimeter waves and submillimeter waves. Millimeter wave is between microwave and light wave, so it has the advantages of both. The main features are: extremely wide bandwidth, usually the frequency range of millimeter wave is 30GHz~300GHz; high resolution, the wavelength of millimeter wave is between 1mm and 10mm , the wavelength is much shorter than microwave, so it has higher resolution; compared with laser, it is less affected by climate and has all-weather working characteristics; compared with microwave, the size of millimeter wave components is much smaller, and it is eas...

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Application Information

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IPC IPC(8): H01Q13/10H01Q13/08H01Q1/38
Inventor 丁桂甫陈伟强
Owner SHANGHAI JIAO TONG UNIV
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