CN205104610U - Multiple -input -multiple -output MIMO antenna system and mobile terminal - Google Patents
Multiple -input -multiple -output MIMO antenna system and mobile terminal Download PDFInfo
- Publication number
- CN205104610U CN205104610U CN201520881057.7U CN201520881057U CN205104610U CN 205104610 U CN205104610 U CN 205104610U CN 201520881057 U CN201520881057 U CN 201520881057U CN 205104610 U CN205104610 U CN 205104610U
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- antenna
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- antenna branch
- antenna system
- mimo
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- 238000002955 isolation Methods 0.000 abstract description 9
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a multiple -input -multiple -output MIMO antenna system and mobile terminal, the system includes: antenna system ground end, MIMO antenna array includes around the antenna branch that locates the antenna system ground end outside, and there is the gap in antenna branch with the antenna system ground end outside, setting up a ground point to antenna branch and being connected with the antenna branch that corresponds is electric with antenna system ground end respectively, first side and second side are cut apart in the branch with the antenna, set up respectively to antenna branch that electrical unit is presented to first radio frequency and electrical unit is presented to the second radio frequency, electrical unit is presented to first many radio frequencies and electrical unit is presented respectively to the first side of antenna branch and the second side feeding signal of antenna branch that correspond to the second radio frequency. Adopt the utility model provides a technical scheme, can be in the narrow and small spatial dimension of mobile terminal a plurality of antennas of structure to high isolation can be realized, MIMO antenna system's performance has been improved.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of multiple-input and multiple-output mimo antenna system and mobile terminal.
Background technology
Along with various radio communication service is weeded out the old and bring forth the new and the development of broadband data service, more harsh requirement is proposed to the two-forty of transfer of data and validity.Various communication service interleaved parallel, taking and competing Radio Resource, makes this just rare frequency spectrum resource at present more and more nervous, how more efficiently to utilize these limited communication resources to become one of radio communication problem urgently to be resolved hurrily.Research shows, use multiple-input and multiple-output (MultipleInputandMultipleOutput, MIMO) technology, do not increasing under the total transmitting power of system bandwidth antenna, multiple antennas is used to make full use of space resources, improving channel capacity exponentially, improve radio communication quality greatly, is one of precedence technique of high speed data transfer.
Along with MIMO multi-antenna technology is constantly applied, need to adopt multiple antenna at transmitting-receiving two-end simultaneously, and the design of mobile terminal at present can not reserve larger space to antenna, limit the interval of multi-antenna-unit layout, distance between antenna lean on each other very near time, coupling and the spatial coherence of the height between antenna receiving signal will certainly be caused, this for mimo system require Received signal strength each subchannel between separate be very disadvantageous, even can cause the deterioration of mimo system performance.How in compact structure, ensure that each antenna element isolation is the difficult point of mobile terminal multi-antenna design.
Summary of the invention
The utility model proposes a kind of multiple-input and multiple-output mimo antenna system and mobile terminal, in order to solve due to the narrow and small antenna space of mobile terminal cause the problem that mimo antenna isolation of system degree is lower.
The utility model is by the following technical solutions:
A kind of multiple-input and multiple-output mimo antenna system, comprising: antenna system ground end 1;
Mimo antenna array, described mimo antenna array comprises antenna branch 2, and described antenna branch 2 is held outside 1 with being set around described antenna system, and with described antenna system hold 1 outside there is gap; For antenna branch 2, an earth point 5 is set, earth point 5 first side holds 1 to be electrically connected with described antenna system ground, earth point 5 second side is electrically connected with corresponding antenna branch 2, and the antenna branch 2 that correspondence is electrically connected is divided into antenna branch first side 3 and antenna branch second side 4;
Arrange the first radio-frequency feed source unit 6 and the second radio-frequency feed source unit 7 respectively for antenna branch 2, the described source unit of radio-frequency feed more than first 6 and the second radio-frequency feed source unit 7 are respectively to antenna branch first side 3 of correspondence and antenna branch second side 4 FD feed.
Further, described mimo antenna array comprises multiple antenna branch 2, and wherein, any antenna branch 2 is perpendicular to the antenna branch close to described any antenna branch.
Further, described antenna system ground end 1 is rectangle.
Further, described mimo antenna array comprises 4 antenna branch 2, and described 4 antenna branch 2 are arranged at the outside that described squaerial systematically holds each limit of 1 respectively.
Further, described antenna system ground end 1 is " convex " font.
Further, described mimo antenna array comprises 8 antenna branch 2, and described 8 antenna branch 2 hold the outside on a limit of 1 with being arranged at described antenna system respectively.
Further, described earth point 5 is determined by the frequency of the antenna branch side set with described antenna branch 2 electrically connecting position.
In addition, the utility model additionally provides a kind of mobile terminal, and described mobile terminal comprises the above-mentioned multiple-input and multiple-output mimo antenna system provided.
Adopt technical scheme provided by the utility model, multiple antenna can be constructed within the scope of mobile terminal narrow space, and high-isolation can be formed between each antenna, reduce the correlation of each antenna, improve the performance of mimo antenna system.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model first embodiment provides;
Fig. 2 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model second embodiment provides;
Fig. 3 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model the 3rd embodiment provides.
In figure:
1, antenna system ground end; 2, antenna branch; 3, antenna branch first side;
4, antenna branch second side; 5, earth point; 6, the first radio-frequency feed source unit;
7, the second radio-frequency feed source unit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not full content.
Fig. 1 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model first embodiment provides.
See Fig. 1, described multiple-input and multiple-output mimo antenna system, comprising:
Hold 1 to antenna system, holding to described antenna system can be the arbitrary shapes such as circle, ellipse, rectangle or Long Circle, in the present embodiment, holds 1 to be Long Circle to described antenna system; Mimo antenna array, described mimo antenna array comprises 1 antenna branch 2, due to antenna branch and antenna system the gap of holding be that rectangle can better radiated electromagnetic wave, antenna branch 2 is held outside the microscler limit of 1 with being set around described antenna system, and with described antenna system hold outside the microscler limit of 1 and there is gap, can form gap is rectangular slot antenna.One earth point 5 is provided with for antenna branch 2, earth point 5 first side holds 1 to be electrically connected with described antenna system ground, described earth point 5 second side is electrically connected with corresponding antenna branch 2, and the antenna branch 2 that correspondence is electrically connected is divided into antenna branch first side 3 and antenna branch second side 4.For antenna branch 2, also correspondence is provided with the first radio-frequency feed source unit 6 and the second radio-frequency feed source unit 7 respectively, and the described source unit of radio-frequency feed more than first 6 and the second radio-frequency feed source unit 7 are respectively to described antenna branch first side 3 and antenna branch second side 4 FD feed.
In the present embodiment, antenna system ground end 1 is the equipotential of mobile terminal, i.e. the reference potential point of mobile terminal system.Antenna branch 2 is held outside 1 with being set around described antenna system, and with described antenna system hold 1 outside there is gap.First radio-frequency feed source unit 6 and the second radio-frequency feed source unit 7 are respectively to antenna branch first side 3 and antenna branch second side 4 FD feed.First radio-frequency feed source unit 6 forms signal circuit with antenna branch first side 3 and earth point 5, and the second radio-frequency feed source unit 7 forms signal circuit with antenna branch second side 4 and earth point 5, forms two slot antennas.And described two antenna directions become 180 °, can when not increasing antenna space, the effective isolation strengthening two antennas, reduces the spatial coherence of signal.
The present embodiment another preferred embodiment in, described earth point 5 and described antenna branch 2 electrically connecting position are determined by the frequency of the antenna branch side set.Because an antenna branch 2 is divided into two antenna branch sides by an electricity-linkingup point 5, each antenna branch side forms one section of antenna to earth point 5 and corresponding radio-frequency feed source unit, because the frequency of each antenna becomes corresponding relation with the length of antenna, choose suitable antenna length according to the predeterminated frequency of each antenna, and then determine described earth point 5 and described antenna branch 2 electrically connecting position.
Fig. 2 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model second embodiment provides.
See Fig. 2, described multiple-input and multiple-output mimo antenna system, comprise: antenna system ground end 1, described antenna system ground end 1 is rectangle, described mimo antenna array comprises 4 antenna branch 2, described 4 antenna branch 2 are held outside 1 with being set around described antenna system, and each antenna branch 2 exists gap outside all holding 1 with described antenna system ground.There is certain distance between antenna branch 2, avoid signal to interfere with each other.Due to antenna system hold 1 for rectangle, and 4 antenna branch 2 are held outside 1 with being set around described antenna system, and two other antenna branch that in described 4 antenna branch, any antenna branch is all close with it is vertical.Exemplary, the antenna branch 2 of antenna system ground end corresponding to 1 long limit holds antenna branch 2 corresponding to 1 two minor faces perpendicular to antenna system respectively.Antenna branch 2 is vertical with its close antenna branch 2, effectively can strengthen the isolation between antenna, reduces the spatial coherence of signal.Described multiple-input and multiple-output mimo antenna system also comprises the earth point 5 configured respectively for each antenna branch 2, each earth point 5 first side holds 1 to be electrically connected with described antenna system ground, each earth point 5 second side is electrically connected with corresponding antenna branch 2, and the antenna branch (2) that correspondence is electrically connected is divided into antenna branch first side 3 and antenna branch second side 4.4 antenna branch 2 are divided into 8 antenna sides.Arrange the first radio-frequency feed source unit (6) and the second radio-frequency feed source unit (7) respectively for each antenna branch (2), the described source unit of radio-frequency feed more than first (6) and the second radio-frequency feed source unit (7) are respectively to antenna branch first side (3) of correspondence and antenna branch second side (4) FD feed.Mimo antenna array is made to form 8 slot antennas altogether.
The present embodiment can arrange 8 slot antennas in the narrow and small antenna space of mobile terminal, meet the demand of the slot antenna of the multiple different frequency of structure, and the slot antenna slot antenna close with it is in 90 ° or 180 °, the isolation between antenna can be strengthened, reduce the spatial coherence of signal.
Fig. 3 is the structural representation of the multiple-input and multiple-output mimo antenna system that the utility model the 3rd embodiment provides.
See Fig. 2, described multiple-input and multiple-output mimo antenna system, comprising: antenna system ground end 1,
Described antenna system ground end 1 is " convex " font, described mimo antenna array comprises 8 antenna branch 2, described 8 antenna branch 2 are arranged at the outside on a limit of described " convex " shape antenna system ground end respectively, and keep certain distance between described 8 antenna branch 2, avoid described 8 antenna branch 2 signals to interfere with each other.Also the antenna branch 2 can choosing predetermined number is as required arranged at the outside on a limit of described " convex " font antenna system ground end.Antenna branch 2 is perpendicular to its close antenna branch 2.Described multiple-input and multiple-output mimo antenna system comprises 8 earth points 5, corresponding respectively with each antenna branch, first side of described 8 earth points 5 holds 1 to be electrically connected with described antenna system ground, second side of described 8 earth points 5 is electrically connected with described 8 antenna branch 2 respectively, and described 8 antenna branch 2 are divided into 16 antenna branch sides respectively.All be respectively equipped with the first radio-frequency feed source unit 6 and the second radio-frequency feed source unit 7 for antenna branch 2, the described source unit of radio-frequency feed more than first 6 and the second radio-frequency feed source unit 7 are respectively to antenna branch first side 3 of correspondence and antenna branch second side 4 FD feed.Form 16 antennas altogether.To realize the object of structure 16 different frequency slot antennas.Wherein, the slot antenna that each slot antenna is adjacent is in 90 ° or 180 °, effectively can improve the isolation of antenna.On the basis of the present embodiment, also can 1 be held to be designed to the structures such as " ten " font, two " ten " font or " recessed " font, to realize the object constructing more different frequency slot antennas described antenna system.Do not repeat at this.
In addition, the utility model additionally provides a kind of mobile terminal, and this mobile terminal applies above-mentioned multiple-input and multiple-output mimo antenna system, can have better isolation.This mobile terminal comprises mobile phone, panel computer etc.
Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection range that all should be included in the utility model claim.
Claims (8)
1. a multiple-input and multiple-output mimo antenna system, is characterized in that, comprising:
Antenna system ground end (1);
Mimo antenna array, described mimo antenna array comprises at least one antenna branch (2), described antenna branch (2) hold with being set around described antenna system (1) outside, and with described antenna system hold (1) outside there is gap;
For each antenna branch (2), an earth point (5) is set respectively, earth point (5) first side holds (1) to be electrically connected with described antenna system ground, earth point (5) second side is electrically connected with corresponding antenna branch (2), and the antenna branch (2) that correspondence is electrically connected is divided into antenna branch first side (3) and antenna branch second side (4);
Arrange the first radio-frequency feed source unit (6) and the second radio-frequency feed source unit (7) respectively for each antenna branch (2), described first radio-frequency feed source unit (6) and the second radio-frequency feed source unit (7) are respectively to antenna branch first side (3) of correspondence and antenna branch second side (4) FD feed.
2. system according to claim 1, is characterized in that, described mimo antenna array comprises multiple antenna branch (2), and wherein, any antenna branch (2) is perpendicular to the antenna branch close to described any antenna branch.
3. system according to claim 1, is characterized in that, described antenna system ground end (1) is rectangle.
4. system according to claim 3, it is characterized in that, described mimo antenna array comprises 4 antenna branch (2), and described 4 antenna branch (2) hold the outside on a limit of (1) with being arranged at described antenna system respectively.
5. system according to claim 1, is characterized in that, described antenna system ground end (1) is " convex " font.
6. system according to claim 5, it is characterized in that, described mimo antenna array comprises 8 antenna branch (2), and described 8 antenna branch (2) hold the outside on a limit of (1) with being arranged at described antenna system respectively.
7. system according to claim 1, is characterized in that, described earth point (5) and described antenna branch (2) electrically connecting position are determined by the frequency of the antenna branch side set.
8. a mobile terminal, is characterized in that, comprises the arbitrary described multiple-input and multiple-output mimo antenna system of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881057.7U CN205104610U (en) | 2015-11-05 | 2015-11-05 | Multiple -input -multiple -output MIMO antenna system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881057.7U CN205104610U (en) | 2015-11-05 | 2015-11-05 | Multiple -input -multiple -output MIMO antenna system and mobile terminal |
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| Publication Number | Publication Date |
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| CN205104610U true CN205104610U (en) | 2016-03-23 |
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| CN201520881057.7U Expired - Fee Related CN205104610U (en) | 2015-11-05 | 2015-11-05 | Multiple -input -multiple -output MIMO antenna system and mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207406A (en) * | 2016-06-24 | 2016-12-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of mimo antenna structure and mobile terminal |
| CN106340719A (en) * | 2016-09-23 | 2017-01-18 | 南京酷派软件技术有限公司 | Terminal equipment |
| CN108281766A (en) * | 2018-01-19 | 2018-07-13 | 广东欧珀移动通信有限公司 | Antenna assembly and electronic equipment |
| WO2019144914A1 (en) * | 2018-01-26 | 2019-08-01 | Huawei Technologies Co., Ltd. | Antenna device and mimo antenna arrays for electronic device |
| EP3531502A4 (en) * | 2016-11-17 | 2019-10-30 | Huawei Technologies Co., Ltd. | Communication terminal |
| US10651553B2 (en) | 2018-05-30 | 2020-05-12 | Wistron Neweb Corporation | Antenna structure |
| EP3823093A4 (en) * | 2018-07-11 | 2021-08-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna assembly and electronic device |
-
2015
- 2015-11-05 CN CN201520881057.7U patent/CN205104610U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207406A (en) * | 2016-06-24 | 2016-12-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of mimo antenna structure and mobile terminal |
| CN106340719A (en) * | 2016-09-23 | 2017-01-18 | 南京酷派软件技术有限公司 | Terminal equipment |
| US11011837B2 (en) | 2016-11-17 | 2021-05-18 | Huawei Technologies Co., Ltd. | Communications terminal |
| EP3531502A4 (en) * | 2016-11-17 | 2019-10-30 | Huawei Technologies Co., Ltd. | Communication terminal |
| JP2019537909A (en) * | 2016-11-17 | 2019-12-26 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Communication terminal |
| CN111129768A (en) * | 2016-11-17 | 2020-05-08 | 华为技术有限公司 | Communication terminal |
| AU2016429569B2 (en) * | 2016-11-17 | 2020-09-10 | Huawei Technologies Co., Ltd. | Communications terminal |
| CN108281766A (en) * | 2018-01-19 | 2018-07-13 | 广东欧珀移动通信有限公司 | Antenna assembly and electronic equipment |
| WO2019144914A1 (en) * | 2018-01-26 | 2019-08-01 | Huawei Technologies Co., Ltd. | Antenna device and mimo antenna arrays for electronic device |
| US11223103B2 (en) | 2018-01-26 | 2022-01-11 | Huawei Technologies Co., Ltd. | Antenna device and MIMO antenna arrays for electronic device |
| US10651553B2 (en) | 2018-05-30 | 2020-05-12 | Wistron Neweb Corporation | Antenna structure |
| EP3823093A4 (en) * | 2018-07-11 | 2021-08-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna assembly and electronic device |
| US11532871B2 (en) | 2018-07-11 | 2022-12-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna assembly and electronic device |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |