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LTE multi-frequency-band antenna and mobile terminal

A multi-band antenna and frequency band technology, applied to antennas, devices that enable antennas to work in different bands at the same time, electrical components, etc., can solve the problems that cannot cover multiple frequency bands, mobile phone antennas cannot work in multiple modes, and mobile phone antennas have narrow bandwidths, etc. , to achieve the effect of easy antenna analysis and debugging, clear antenna resonant subject, and increased antenna bandwidth

Inactive Publication Date: 2016-03-16
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above technical problems, a LTE multi-band antenna is provided to solve the problem that the mobile phone antenna in the prior art has narrow bandwidth, cannot cover multiple frequency bands, and the mobile phone antenna cannot work in multiple modes;

Method used

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  • LTE multi-frequency-band antenna and mobile terminal

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Embodiment Construction

[0027] 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 creative efforts fall within the protection scope of the present invention.

[0028] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0030] Since the communication frequency bands corresponding to FDD-LTEBand17 and FDD-LTEBand28 technologies are...

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Abstract

The invention belongs to the technical field of communication, and especially relates to an LTE multi-frequency-band antenna and a mobile terminal. The LTE multi-frequency-band antenna comprises an antenna main body part, a first branch part and a second branch part; the antenna main body part is provided with a feeding point (101) and a first grounding point (102), and a first high-frequency band is covered through resonance; the first branch part and the antenna main body part are spaced by a first gap, the antenna main body part performs coupling feeding through the first gap, and is resonant at a first resonance frequency point (f1) to cover a first low-frequency band; and the second branch part and the antenna main body are spaced by a second gap, the antenna main body performs coupling feeding through a second gap, and is resonant at a second resonance frequency point (f2) to cover a second low-frequency band. The technical scheme adopts a double coupling feeding mode, the antenna bandwidth can be effectively increased, an antenna resonance main body is relatively clear, and antenna analyses and debugging are easy.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a multi-band antenna. Background technique [0002] Today, with the rapid development of mobile communication technology, mobile phone terminals, as an indispensable device in people's lives, have increasingly demonstrated their powerful advantages and greatly improved people's life efficiency. Mobile phone antennas are indispensable in communication systems. The excellent performance of the antenna directly determines the performance of the entire mobile phone system. With the continuous enrichment of mobile phone functions, new requirements are put forward for the design of mobile phone antennas. Especially with the large-scale commercialization of 4G (the4thgenerationcommunicationsystem, fourth-generation mobile communication technology) LTE (LongTermEvolution, long-term evolution) network, mobile terminals are required to support traditional 2G (the2ndGener...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q5/10H01Q5/28H01Q5/371H01Q5/378H01Q5/50
Inventor 江坤
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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