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Long term evolution (LTE) double-frequency high-grain omnidirectional antenna

An omnidirectional antenna, high-gain technology, applied in antennas, antenna arrays, antenna grounding devices, etc., can solve the problems of inconvenient installation, large size, complex structure, etc., and achieve easy installation and fixing, convenient system integration, and radiation efficiency high effect

Inactive Publication Date: 2013-06-12
西安新海天通信有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, omnidirectional antennas had relatively narrow bandwidth and relatively large size and volume. Different communication network systems had to design antennas independently, and the systems were not compatible. Some communication product systems were integrated due to the use of frequency combiners, which was not easy to install. , which increases the cost
At present, some omnidirectional antennas use series feed, but this kind of antenna has low gain, complex structure, high processing cost, and the antenna's pattern is not round enough, which cannot fully meet the needs of existing mobile communications for network coverage and communication. Development and applications with high quality requirements

Method used

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  • Long term evolution (LTE) double-frequency high-grain omnidirectional antenna
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  • Long term evolution (LTE) double-frequency high-grain omnidirectional antenna

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Embodiment Construction

[0021] refer to figure 1 , the present invention includes an upper matching network 17, a lower matching network 18, a hollow outer conductor 6, a radio frequency cable head 19 and 8 radiation oscillator units, but not limited to 8. in:

[0022] Each radiating oscillator unit, such as figure 2 As shown, it is composed of an upper radiator 1, a lower radiator 2, an annular dielectric block 3, a metal short circuit 4 and a coaxial feeder 7. The ring-shaped dielectric block 3 is added between the upper and lower radiators of the radiation oscillator, and the upper radiator 1 and the lower radiator 2 are connected as a whole. The characteristic impedance of the antenna is adjusted by adjusting the thickness of the ring-shaped dielectric block 3. The metal The short-circuiter 4 is welded in the middle of the dielectric block 3, and the coaxial line 7 is welded on one side of the ring-shaped dielectric sleeve 3 to form a broadband independent feeding radiation unit with a frequen...

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Abstract

The invention discloses a long term evolution (LTE) double-frequency high-grain omnidirectional antenna, mainly overcoming the defects of narrow bandwidth and low grain of a frequency range used by the existing omnidirectional antenna. The omnidirectional antenna comprises n radiation oscillators, two matching networks and a hollow external conductor, wherein each radiation oscillator comprises an upper radiator (1) and a lower radiator (2); the upper radiator (1) and the lower radiator (2) are connected by the annular medium sleeve (3) of epoxy medium; a metal short circuit device (4) penetrates through the middle of the annular medium sleeve (3); one side of the annular medium sleeve (3) is welded with a first feeding coaxial line (7) to form an broadband independent feeding radiation unit of which the frequency band is 1880-2600MHz; and an upper matching network (17) and a lower matching network (18) are respectively connected to the middle end and the bottom end of a hollow external conductor (6) to realize antenna input impendence matching and direct-current earthing. The long term evolution (LTE) double-frequency high-grain omnidirectional antenna has the advantages of simple structure and high wide double-frequency gain and can be used for broadband mobile communication network systems.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to an LTE dual-frequency high-gain omnidirectional antenna array, which can be used in mobile communication network systems with frequency ranges of 1880MHz-1920MHz and 2500MHz-2575MHz. Background technique [0002] With the large-scale deployment of the TD-SCDMA network, its performance and services have been well demonstrated, the network is becoming more and more mature, and the conditions for starting the research of the next generation mobile communication technology are also met. TD-LTE focuses on high-speed data services and has high requirements for coverage and communication quality. During the introduction of the network in the early stage, the electromagnetic environment faced by the system is becoming increasingly complex. In order to reduce the mutual interference between different systems, the new network system requires the type of new requirements were raised. Sinc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/48H01Q21/00
Inventor 王建清陈滢刘东峰赵玉叶邹婧婧陈金虎
Owner 西安新海天通信有限公司
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