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Conformal dual-band receiving and transmitting antenna

A transceiver antenna, dual-band technology, applied to antennas, antenna grounding devices, antennas suitable for movable objects, etc., can solve the problem of not being able to integrate transceiver dual-band, etc., and achieve the effect of easy processing and small size

Inactive Publication Date: 2015-04-22
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] There are a lot of literature on conformal antennas at home and abroad. Through searching the existing technologies, it is found that such as the article in 2010 Proccedings of the Fourth European conference on Antannas and Propagation. (EUCAP): Dual-Polarized Cylindrically Conformal Microchip Patch Antannas and Arrays, which introduces A patch antenna conformal to the cylinder is proposed, but only a single-band antenna is realized, and it is not possible to integrate dual-band transceivers

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  • Conformal dual-band receiving and transmitting antenna
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  • Conformal dual-band receiving and transmitting antenna

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Embodiment Construction

[0041] The embodiments of the present invention are described in detail below: this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and specific operation process are given. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention.

[0042] This embodiment provides a conformal dual-band transceiver antenna for covering the two frequency bands 2.198~2.218GHz and 2.273~2.320GHz, including antenna radiation unit, metal ground and dielectric substrate, among which:

[0043] The antenna radiation unit includes a first metal sheet and a second metal sheet, the first metal sheet resonates at 2205 MHz as a receiving antenna, and the second metal sheet resonates at 2295 MHz as a transmitting antenna;

[0044] The meta...

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Abstract

The invention provides a conformal dual-band receiving and transmitting antenna which comprises an antenna radiating element, a metal base and a dielectric substrate. The antenna radiating element comprises a first metal piece and a second metal piece. The first metal piece with the resonance of 2205 MHz serves as a receiving antenna. The second metal piece with the resonance of 2295 MHz serves as a transmitting antenna. The metal base is located on the back of the dielectric substrate. The first metal piece and the second metal piece are connected to the front of the dielectric substrate through feeding points. The first metal piece and the second metal piece are each provided with a metal via hole I used for short circuits. The dielectric substrate is provided with metal via holes II corresponding to the metal via holes I in position. The conformal dual-band receiving and transmitting antenna has the fairly high isolation degree within the two frequency bands of 2.198-2.218 GHz and 2.273-2.320 GHz, namely, the return loss of a port of the antenna is smaller than minus 10 dB, and the isolation degree is smaller than minus 17 dB.

Description

Technical field [0001] The present invention relates to the technical field of conformal antennas, in particular to a conformal dual-band transceiver antenna covering the dual frequency bands of 2.198 to 2.218 GHz and 2.273 to 2.320 GHz. Background technique [0002] With the continuous development of communication technology, certain parts of airplanes, high-speed trains or other vehicles require antennas. Conformal antennas are designed to create an antenna that can be integrated with the structure of the object without causing additional burden. When the antenna is integrated, the working performance of the antenna is less interfered in environments such as cities, and the antenna is not easily detected by the human eye. In modern military defense systems, a typical additional requirement is that when the antenna is used by a local radar transmitter The emitted microwaves do not produce backscattering during irradiation. At the same time, considering aerodynamic factors or hyd...

Claims

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Application Information

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IPC IPC(8): H01Q5/20H01Q1/36H01Q1/48H01Q1/27
Inventor 沈广海李静彭宏利吴林晟
Owner SHANGHAI JIAO TONG UNIV
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