A 3.5ghz Dual Polarization Wireless LAN Ceiling Antenna

A wireless local area network and ceiling-mounted antenna technology, which can be applied to the combination of antenna units with different polarization directions, the structural connection of antenna grounding switches, and the structural form of radiation elements. It can solve the problems that multi-antenna technology cannot simultaneously take into account miniaturization and high gain , to achieve the effect of expanding the working bandwidth, high precision, and simplifying the antenna structure

Active Publication Date: 2017-02-01
SOUTHEAST UNIV
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Problems solved by technology

[0004] Technical problem to be solved: Aiming at the deficiencies of the prior art, the present invention proposes a 3.5GHz dual-polarization wireless LAN ceiling antenna, which is used to solve the problem that the multi-antenna technology in the existing LAN antenna equipment cannot simultaneously take into account miniaturization, high Gain technical issues

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  • A 3.5ghz Dual Polarization Wireless LAN Ceiling Antenna
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  • A 3.5ghz Dual Polarization Wireless LAN Ceiling Antenna

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, it is a 3.5GHz dual-polarized wireless local area network ceiling antenna of the present invention. The antenna consists of a dielectric substrate 1 with a metal substrate to form the floor and support structure of the antenna. The upper surface of the dielectric substrate 1 is printed with two Feed networks 2 and 3 in the form of a group of microstrip lines. The feed network 2 includes three groups of tree-like bisection power dividers 21, 22, and 23. The feed network 3 includes three groups of tree-like bisection power dividers. Power splitters 31, 32, 33, each feeding network is composed of 3 groups of tree-like halved power splitters cascaded in the above-mentioned 2 groups of tree-like halved power splitters. The two-stage cascading method of the equal power output terminals of a group of tree-like two equal power dividers other ...

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Abstract

The invention discloses a low-profile dual-polarized indoor ceiling antenna of an access point of a 3.5 GHz (3.3-3.8 GHz) wireless local area network (WiFi / WiMax), and the dimensions of the wireless local area network is 188*188*20(mm). A feeder part of the low-profile dual-polarized indoor ceiling antenna is a microstrip line based on a standard printed circuit technique. A radiating unit is formed by four groups of main incentive units of all-steel structures and nine spurious resonance units. The low-profile and flat dual-polarized indoor ceiling antenna conducts optimal design on the access point of a wireless local area network system with the work efficiency at 3.3-3.8 GHz, has 500 MHz bandwidth, 15.5+ / -0.5 dBi middle and high gains, a low cross polarization to co-polarization ratio of 20 dB and high port isolation degree of gt; 20 dB, and has the advantages of being simple in structure, small in size, low in cost and convenient to produce in batches, being capable of meeting requirements for planar circuit integration, etc.

Description

technical field [0001] The invention relates to the field of comprehensive design of communication systems, in particular to a dual-polarized flat panel access antenna suitable for 3.5GHz (3300-3800MHz) wireless local area network (WiFi / WiMax). Background technique [0002] With the popularization of wireless local area network technology and the commercialization of a large number of related terminal equipment, wireless local area network is rapidly implementing network deployment and coverage inside and outside various buildings. At present, the mainstream wireless LAN operating frequencies include 2.4GHz, 5.8GHz and 3.5GHz, and different frequencies are selected according to the different management requirements of radio spectrum in various countries and regions. It should be noted that different operating frequencies correspond to different communication standards and protocols, but all of them can effectively support broadband data transmission services. As an effectiv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/50H01Q21/24
Inventor 张彦杨天杨洪伟朱晓维
Owner SOUTHEAST UNIV
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