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Antenna and wireless router

An antenna and radiator technology, applied in the direction of antenna, antenna coupling, antenna components, etc., can solve the problems of narrow radiator bandwidth, large antenna size, low radiation efficiency, etc. low effect

Pending Publication Date: 2017-01-04
N RADIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an antenna and a wireless router, aiming at solving the problems of narrow bandwidth, low radiation efficiency, high profile and inability to planarize the radiator of the antenna in the prior art, so that the antenna in the prior art has a large size and Problems of narrow bandwidth, low radiation efficiency, and high profile

Method used

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  • Antenna and wireless router
  • Antenna and wireless router
  • Antenna and wireless router

Examples

Experimental program
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Effect test

Embodiment 1

[0057] see figure 1 , the antenna provided by Embodiment 1 of the present invention includes a radiator 1, a director 2, one or two absorbers 3 and a reflector 4, and relative to the radiation direction of the radiator 1, the director 2 is located at the side of the radiator 1 In the front, the reflector 4 is located behind the radiator 1, and the two absorbers 3 are respectively located on the two sides of the radiator 1.

[0058] The antenna provided in Embodiment 1 of the present invention may also include one or two isolators 5, and the two isolators 5 are respectively located at the back of the two absorbers 3 facing away from the radiator 1, or at the back of the two absorbers 3 facing the radiation the front of device 1. Isolator 5 can adopt I-shaped single negative dielectric constant material (such as figure 2 shown). The reflector 4 in the antenna provided in Embodiment 1 of the present invention may be a metal plate.

[0059] see Figure 3 to Figure 6 The radi...

Embodiment 2

[0091] see Figure 15 The difference between the antenna provided by Embodiment 2 of the present invention and the antenna provided by Embodiment 1 of the present invention is that a director 6 of another structure and a reflector 7 of another structure are used.

[0092] see Figure 16 to Figure 22The director of the antenna working in the 5.8GHz frequency band provided by Embodiment 2 of the present invention includes a zero-refractive index lens 51 and one or two FSS lenses 52 in the director of the antenna provided by Embodiment 1 of the present invention. The period of the resonant screen unit structure of the FSS lens 52 in the second embodiment of the present invention and the period of the capacitive metal patch of the first capacitive screen and the second capacitive screen can be compared with that of the 2.4GHz frequency band in the first embodiment of the present invention The period of the FSS lens is less, depending on the actual situation. The zero-refractive-...

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Abstract

The invention is applicable to the field of communication, and provides an antenna and a wireless router. The antenna comprises a radiator, a director, at least one wave absorber and a reflector, wherein relative to the radiation direction of the radiator, the director is in front of the radiator, the reflector is behind the radiator, and the wave absorber is located on a side face of the radiator; and the radiator comprises a base plate, a composite left and right hand transmission line unit attached to a front face of the base plate, an electromagnetic field band gap EBG structure attached to a bottom face of the base plate, and a flat metal plate located on the side of the EBG structure and connected with the composite left and right hand transmission line unit to serve as the ground. The antenna provided by the invention has the advantages of small size, low profile, horizontal omnidirectional radiation, high efficiency and wide bandwidth.

Description

technical field [0001] The invention belongs to the communication field, and in particular relates to an antenna and a wireless router. Background technique [0002] Antennas in the prior art include radiators, reflectors, directors, isolation elements, and the like. Among them, the radiator mainly uses dipoles or monopoles to provide horizontal omnidirectional and vertically polarized radiation performance. Dipoles or monopoles are radiations whose electrical length is 1 / 2 or 1 / 4 of the wavelength of the antenna. The radiation is omnidirectional on the horizontal plane, and the polarization direction of the radiated electric field is perpendicular to the earth, that is, vertical polarization. When this type of radiator is used, it is generally placed outside the antenna perpendicular to the horizontal plane. However, the radiator has narrow bandwidth, low radiation efficiency, high profile and cannot be planarized, so that the antenna in the prior art has large size, narro...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q17/00H01Q15/14H01Q19/10H01Q1/52H04L12/771H04L45/60
CPCH01Q1/36H01Q1/52H01Q1/521H01Q15/14H01Q17/00H01Q17/007H01Q19/10H04L45/60
Inventor 苏华峰张利鹏陈开宏王照何丽娥
Owner N RADIO TECH CO LTD
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