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Small-size high-isolation double-frequency MIMO antenna for WLAN (Wireless Local Area Network)

A wireless local area network, high-isolation technology, applied to antennas, antenna coupling, and devices that enable antennas to work in different bands at the same time, can solve the problems of WLAN networks that do not achieve large-scale coverage of antennas, and achieve small antenna sizes and increased gain , the effect of suppressing signal interference

Active Publication Date: 2016-07-13
FUJIAN HUICHUANG XINGAO ELECTRONICS SCI & TECH
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  • Abstract
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Problems solved by technology

[0003] Although MIMO technology has been applied in WLAN systems, so far, an important factor that has not yet achieved large-scale coverage in WLAN networks is the problem of antennas.

Method used

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  • Small-size high-isolation double-frequency MIMO antenna for WLAN (Wireless Local Area Network)
  • Small-size high-isolation double-frequency MIMO antenna for WLAN (Wireless Local Area Network)
  • Small-size high-isolation double-frequency MIMO antenna for WLAN (Wireless Local Area Network)

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as Figure 1 to Figure 5 The shown miniaturized high-isolation dual-frequency MIMO sub-antenna applied to a wireless local area network includes a first dielectric board 1 , a second dielectric board 2 and a third dielectric board 3 . The first dielectric board 1 is covered with two metal grounding plates 11 for providing grounding signals. The metal grounding plate 11 is made into a hollowed-out metal plate in the shape of an "I", where the height...

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Abstract

The invention discloses a small-size high-isolation double-frequency MIMO antenna for a WLAN (Wireless Local Area Network), and belongs to the technical field of antennas. A first dielectric plate (1) is covered by two metal grounding plates (11), and the two metal grounding plates (11) are arranged vertically and are connected with each other through an inductor (12). Two surfaces of a second dielectric plate (2) and two surfaces of a third dielectric plate (3) are respectively coated with metal layers, wherein one metal layer is a dipole antenna unit which is arranged symmetrically, and the other metal layer is a rectangular metal belt (25). The antenna can completely cover the working frequency bands (2.4-2.485GHz and 5.15-5.85GHz) of the WLAN, is small in size, is high in isolation, and is good in performance of directed radiation. Moreover, the impact on the antenna from a background installation environment is smaller, and the antenna is suitable for roof-absorbing installation.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a miniaturized high-isolation dual-frequency MIMO antenna applied to a wireless local area network. Background technique [0002] Wireless Local Area Network (WLAN) antenna is one of the key components of WLAN communication system, and its performance has a great influence on the quality and distance of wireless communication. In recent years, although wireless local area network technology has developed rapidly, its performance and speed still have a certain gap with people's expectations. How to further improve the performance and capacity of wireless local area network is becoming increasingly important. The new generation of wireless local area network standard adopts MIMO technology as its core technology, so as to further improve the throughput, transmission distance and reliability of WLAN. [0003] Although MIMO technology has been applied in WLAN systems, so far, an im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/52H01Q1/38H01Q5/335
CPCH01Q1/38H01Q1/52H01Q5/335
Inventor 林益富袁家德陈奋忠欧义圣
Owner FUJIAN HUICHUANG XINGAO ELECTRONICS SCI & TECH
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