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Mobile terminal with MIMO (Multi-input Multi-output) antennae

A mobile terminal and antenna technology, which is applied in the directions of antenna coupling, antenna grounding device, antenna support/installation device, etc., can solve the problems of low correlation coefficient and high isolation of MIMO antenna, small size of mobile terminal, etc. Achieve the effects of increasing effective communication distance and coverage, reducing correlation coefficient and coupling coefficient, and enhancing radiation characteristics

Active Publication Date: 2014-04-30
SHENZHEN CRYSTAL VIDEO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the volume of mobile terminals is getting smaller and smaller, which makes it more difficult to achieve low correlation coefficient and high isolation of MIMO antennas

Method used

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  • Mobile terminal with MIMO (Multi-input Multi-output) antennae
  • Mobile terminal with MIMO (Multi-input Multi-output) antennae
  • Mobile terminal with MIMO (Multi-input Multi-output) antennae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] Such as figure 1 , 2 , 3, in the structural diagram of a preferred embodiment of the mobile terminal with MIMO antenna in the present invention, the mobile terminal with MIMO antenna includes a dielectric substrate 100 and a first circuit part 31 and The second circuit part 32, the mobile terminal with MIMO antenna also includes five antennas 11, 12, 13, 14, 15 arranged on the front of the dielectric substrate 100, and the five antennas 11, 12, 13, 14, 15 are distributed on the periphery of the first circuit part 31, and the five antennas 11, 12, 13, 14, 15 are respectively connected to the first circuit part 31 or the second circuit part 32 through transmission lines (not shown in the figure), wherein , the polarization directions of every two adjacent antennas are orthogonal, and the first circuit part 31 is provided with a first shield (not shown in the figure) matching the shape of the first circuit part, and the second circuit part 32 A second shielding case (not...

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Abstract

The invention discloses a mobile terminal with MIMO (Multi-input Multi-output) antennae. The mobile terminal comprises a medium base plate, a first circuit part and a second circuit part, wherein the first circuit part and the second circuit par are respectively arranged on the front face and the back face of the media base plate. The mobile terminal further comprises five antennae arranged on the front face of the media base plate, wherein the five antennae are distributed at the periphery of the first circuit part, and the five antennae are respectively connected with the first circuit part or the second circuit part by transmission lines; the directions of polarization of each two adjacent antennae are respectively orthogonal to each other; a first shielding cover is arranged on the first circuit part, a second shielding cover is arranged on the second circuit part, and the first shielding cover and the second shielding cover are grounded; and an air gap is reserved between each two adjacent antennae on the medium base plate respectively. By carrying out the technical scheme in the invention, under the condition that the volume of the mobile terminal is limited, the isolation between antennae is improved, thus the correlativity coefficient and the coupling coefficient of the MIMO antennae are greatly reduced, and the radiation characteristic of an MIMO antenna array is enhanced.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a mobile terminal with MIMO antenna. Background technique [0002] With the rapid development of wireless communication technology, mobile users have higher and higher requirements for the capacity and quality of wireless communication. Due to the problems of multipath fading, spectrum congestion, and noise interference in the current wireless channel, the improvement of data rate is greatly affected. . In order to further increase the capacity of the system, people have proposed antenna diversity technology, and the further development of diversity technology has produced MIMO technology immediately. Multiple-Input Multiple-Output (MIMO) technology in mobile communication refers to the technology that uses multiple transmitting antennas and multiple receiving antennas for wireless transmission. The wireless communication system using this technology is called MIMO....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/52H01Q1/22H01Q1/48H01Q21/24
Inventor 姜勇童鹰
Owner SHENZHEN CRYSTAL VIDEO TECH
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