Multiband magnetic monopole antenna

A monopole antenna and magnetic monopole technology, which is applied to the connection of the antenna, the antenna grounding switch structure, and the device that enables the antenna to work in different frequency bands at the same time, can solve the problems of insufficient impedance bandwidth and inability to cover the bandwidth, etc. The effect of simple antenna construction and good impedance matching

Inactive Publication Date: 2015-11-18
SYSU CMU SHUNDE INT JOINT RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing mobile phone antennas are compact and reasonable in structure, have a fairly omnidirectional radiation pattern, good efficiency and simple s

Method used

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  • Multiband magnetic monopole antenna

Examples

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Embodiment 1

[0023] Such as figure 1 As shown, a multi-band magnetic monopole antenna includes a monopole antenna 1 and a coplanar waveguide 2; the monopole antenna 1 and the coplanar waveguide 2 are printed on the same substrate, and the monopole antenna 1 includes a coplanar waveguide The feed point patch structure 3 of the waveguide, a strip radiation unit 4 (GH section) and a loop short-circuit radiation unit 5 (GI section); the strip radiation unit 4 (GH section) and the loop short-circuit radiation unit 5 (GI section ) is connected to both sides of the feed point patch structure 3 of the coplanar waveguide; the monopole antenna 1 also includes a short radiation unit 6 (EF section), and the short radiation unit 6 (EF section) is connected to the feed point of the coplanar waveguide The patch structure 3 is connected to and on the same side as the long radiation unit 4 (GH section), and the short radiation unit 6 (EF section) is below the long radiation unit 4 (GH section); the loop sh...

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Abstract

The present invention provides a multiband magnetic monopole antenna. The multiband magnetic monopole antenna comprises a monopole antenna and a coplanar waveguide, the monopole antenna and the coplanar waveguide are printed on the same substrate, the monopole antenna comprises a feed point patch structure of the coplanar waveguide, a long strip radiation unit and a circulation short circuit radiation unit, the long strip radiation unit and the circulation short circuit radiation unit are connected at two sides of the feed point patch structure of the coplanar waveguide, the monopole antenna also comprises a short strip radiation unit, the short strip radiation unit is connected with the feed point patch structure of the coplanar waveguide and is at the same side as the long strip radiation unit and below the long strip radiation unit, a tail end, of the circulation short circuit radiation unit, not connected with the feed point patch structure of the coplanar waveguide is connected integrally with the coplanar waveguide, a groove corresponding to the feed point patch structure of the coplanar waveguide is disposed in the coplanar waveguide, and the feed point patch structure of the coplanar waveguide is placed inside the groove in a non-contacting manner.

Description

technical field [0001] The invention relates to the field of mobile communication antennas, in particular to a multi-band magnetic monopole antenna. Background technique [0002] With the rapid development of wireless communication technology, wireless communication devices with low profile, light weight, multi-band and superior performance are expected by consumers. However, these requirements have brought great challenges to antenna designers, especially in designing multi-band built-in mobile phone antennas with good radiation characteristics in a small size. In order to meet the requirements of modern mobile communication systems, the present invention adopts a CPW (coplanar waveguide) structure, and the multi-band CPW structure provided can be easily integrated in an integrated circuit and has a very wide frequency band. The invention is easy to print on one side of the circuit board, so that the cost of the antenna is low and the antenna is easy to manufacture. The e...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q5/10H01Q5/20H01Q5/50
Inventor 谭洪舟张全琪詹茜严曙辉
Owner SYSU CMU SHUNDE INT JOINT RES INST
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