CN109449595A - A kind of mimo antenna - Google Patents
A kind of mimo antenna Download PDFInfo
- Publication number
- CN109449595A CN109449595A CN201811478397.XA CN201811478397A CN109449595A CN 109449595 A CN109449595 A CN 109449595A CN 201811478397 A CN201811478397 A CN 201811478397A CN 109449595 A CN109449595 A CN 109449595A
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- high frequency
- gps
- mimo antenna
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- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of mimo antennas, including diversity antenna and GPS and WIFI antenna, the diversity antenna and GPS and WIFI antenna are set to the back side of metal edge frame, the frame top of left and right two of the metal edge frame is equipped with gap one and gap two, GPS the and WIFI antenna is set to the metal edge frame upper left position for being biased to gap one, pcb board is installed on the inside of the metal edge frame back side, pcb board between GPS the and WIFI antenna and diversity antenna is equipped with isolation and adjusts feedback place one and isolation adjusting feedback place two, the isolation adjusts feedback place one and isolation adjusts feedback place two and is electrically connected respectively with diversity antenna and GPS and WIFI antenna；By using metal structure as antenna, suitably cracking, reducing antenna area and meeting different frequency range required for antenna, by way of reasonable antenna arrangement, change adjacent antenna, improves mutual coupling of antenna and improve antenna efficiency.
Description
Technical field
The invention belongs to antenna technical fields, and in particular to a kind of mimo antenna.
Background technique
With the fast development of the communication technology, more stringent requirements are proposed for performance of the user to mobile communication system, and not
The disconnected miniaturization and portability for pursuing mobile device；Therefore the mimo antenna of multiple-input and multiple-output becomes the best of wireless communication
Selection.But since mobile phone space is smaller, there are inevitable couplings between antenna element, weaken mimo antenna and exist
Advantage in channel capacity.
Existing improved technology is slotted in metal edge frame, is increased antenna amount and is either tuned increase band by Multi- Switch
It is wide；The influence that two improvements measure is limited by border structure is very big, the coupling influence antenna performance between multiple antennas；And
The antenna gap of interior of mobile phone is relatively narrow, and feed point and position of the switch selection are limited, meanwhile, switch lossy, tuning difficulty.
In view of this kind of antenna is designed, antenna area is small, frequency range covering is wide and improves mutual coupling of antenna and promotes day
The mimo antenna of line efficiency is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of mimo antennas, full by suitably cracking using metal structure as antenna
Different frequency range required for sufficient antenna, while reducing antenna area；By reasonable antenna arrangement, change the shape of adjacent antenna
Formula improves mutual coupling of antenna and improves antenna efficiency, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of mimo antenna, including diversity antenna and GPS
And WIFI antenna, the diversity antenna and GPS and WIFI antenna are set on the back side of metal edge frame, the left and right two of the metal edge frame
A frame top is equipped with gap one and gap two, and the diversity antenna is set to the top frame for being biased to the metal edge frame in gap two
On, GPS the and WIFI antenna is set to the metal edge frame upper left position for being biased to gap one, peace on the inside of the metal edge frame back side
Equipped with pcb board, pcb board between GPS the and WIFI antenna and diversity antenna be equipped with isolation adjust feedback place one and every
Adjust feedback place two from degree, the isolation adjusts feedback place one and isolation adjust feedback place two respectively with diversity antenna and
GPS and WIFI antenna is electrically connected；
The pcb board of the diversity antenna side is equipped with diversity antenna feeding point and switch foot, GPS the and WIFI antenna
The pcb board of side be equipped with GPS and WIFI antenna feed place and GPS and WIFI antenna feed point, the diversity antenna respectively with
Diversity antenna feeding point on metal edge frame and pcb board and switch foot are electrically connected, GPS the and WIFI antenna respectively with metal
GPS and WIFI antenna feed place and GPS and WIFI antenna feed point on frame and pcb board are electrically connected；
The diversity antenna includes diversity high frequency mimo antenna and diversity medium-high frequency mimo antenna, the diversity high frequency MIMO
Antenna and diversity medium-high frequency mimo antenna are respectively arranged on the metal edge frame of two lower part of gap one and gap, the diversity high frequency
Mimo antenna and diversity medium-high frequency mimo antenna are electrically connected with switch foot respectively, and the pcb board was close to diversity high frequency MIMO days
Line side is equipped with diversity high frequency mimo antenna feeding point and diversity high frequency mimo antenna presents place, and the pcb board is in diversity
High frequency mimo antenna side is equipped with diversity medium-high frequency mimo antenna feeding point and diversity medium-high frequency mimo antenna and presents place, and described point
Collect high frequency mimo antenna respectively on metal edge frame and pcb board diversity high frequency mimo antenna feeding point and diversity high frequency MIMO days
Line present place be electrically connected, the diversity medium-high frequency mimo antenna respectively with the diversity medium-high frequency on metal edge frame and pcb board
Mimo antenna feeding point and diversity medium-high frequency mimo antenna feedback place are electrically connected.
Preferably, the diversity high frequency mimo antenna and diversity medium-high frequency mimo antenna are LOOP form, the GPS and
WIFI antenna and diversity antenna are IFA form.
Compared with prior art, the beneficial effects of the present invention are:
1, by using metal structure as antenna, suitably cracking, reducing antenna area and meeting required for antenna
Different frequency range；
2, it by way of reasonable antenna arrangement, change adjacent antenna, improves mutual coupling of antenna and improves antenna
Efficiency.
Detailed description of the invention
Fig. 1 is schematic rear view of the invention；
Fig. 2 is structure schematic diagram of the invention；
Fig. 3 is that the S11 of diversity high frequency mimo antenna of the present invention schemes；
Fig. 4 is that the S11 of GPS and WIFI antenna of the present invention schemes；
Fig. 5 is that the S11 of diversity medium-high frequency mimo antenna of the present invention schemes.
In figure: 100, diversity antenna；110, diversity high frequency mimo antenna；120, diversity medium-high frequency mimo antenna；200,GPS
And WIFI antenna；300, pcb board；400, metal edge frame；1, diversity high frequency mimo antenna feeding point；2, diversity high frequency mimo antenna
Present place；3, GPS and WIFI antenna feed place；4, GPS and WIFI antenna feed point；5, isolation adjusts feedback place one；6, every
Feedback place two is adjusted from degree；7, diversity antenna feeding point；8, foot is switched；9, diversity medium-high frequency mimo antenna feeding point；10, diversity
Medium-high frequency mimo antenna presents place；11, gap one；12, gap two.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of technical solution: a kind of mimo antenna, including 100 He of diversity antenna
GPS and WIFI antenna 200, the diversity antenna 100 and GPS and WIFI antenna 200 are set to the back side of metal edge frame 400, described
The frame top of left and right two of metal edge frame 400 is equipped with gap 1 and gap 2 12, and the diversity antenna 100, which is set to, is biased to seam
On the top frame of the metal edge frame 400 of gap 2 12, GPS the and WIFI antenna 200 is set to the metal edges for being biased to gap 1
400 upper left position of frame, is equipped with pcb board 300 on the inside of 400 back side of metal edge frame, GPS the and WIFI antenna 200 with
Pcb board between diversity antenna 100 is equipped with isolation and adjusts feedback place 1 and isolation adjusting feedback place 26, the isolation
Degree adjusts feedback place 1 and electrically connects with diversity antenna 100 and GPS and WIFI antenna 200 respectively with isolation adjusting feedback place 26
It connects；
The pcb board 300 of 100 side of diversity antenna be equipped with diversity antenna feeding point 7 and switch foot 8, the GPS and
The pcb board 300 of 200 side of WIFI antenna is equipped with GPS and WIFI antenna feed place 3 and GPS and WIFI antenna feed point 4, institute
State diversity antenna 100 respectively on metal edge frame 400 and pcb board 300 diversity antenna feeding point 7 and switch foot 8 be electrically connected,
GPS the and WIFI antenna 200 respectively on metal edge frame 400 and pcb board 300 GPS and WIFI antenna feed place 3 and GPS
And WIFI antenna feed point 4 is electrically connected；
The diversity antenna 100 include diversity high frequency mimo antenna 110 and diversity medium-high frequency mimo antenna 120, described point
Collection high frequency mimo antenna 110 and diversity medium-high frequency mimo antenna 120 are respectively arranged on the metal of 2 12 lower part of gap 1 and gap
On frame 400, the diversity high frequency mimo antenna 110 and diversity medium-high frequency mimo antenna 120 electrically connect with switch foot 8 respectively
It connects, the pcb board 300 is equipped with diversity high frequency mimo antenna feeding point 1 close to 110 side of diversity high frequency mimo antenna and diversity is high
Frequency mimo antenna presents place 2, and the pcb board 300 is equipped with diversity medium-high frequency MIMO close to 120 side of diversity medium-high frequency mimo antenna
Antenna feed point 9 and diversity medium-high frequency mimo antenna present place 10, the diversity high frequency mimo antenna 110 respectively with metal edge frame
400 and the diversity high frequency mimo antenna feeding point 1 on pcb board 300 and diversity high frequency mimo antenna feedback place 2 be electrically connected, institute
Diversity medium-high frequency mimo antenna 120 is stated to feed with the diversity medium-high frequency mimo antenna on metal edge frame 400 and pcb board 300 respectively
Point 9 and diversity medium-high frequency mimo antenna feedback place 10 are electrically connected.
As shown in Fig. 3, Fig. 4 and Fig. 5, the diversity high frequency mimo antenna 110 is with diversity medium-high frequency mimo antenna 120
LOOP form, GPS the and WIFI antenna 200 are IFA form with diversity antenna 100；
The isolation adjusts feedback place 1 and isolation adjusts feedback place 26 and can improve diversity antenna 100 and GPS
And the isolation of WIFI antenna 200.
As shown in Fig. 3, Fig. 4 and Fig. 5, centered on diversity high frequency mimo antenna feeding point 1, pass through gap 1 and diversity
High frequency mimo antenna feedback place 2 generates high band resonances and passes through gap centered on diversity medium-high frequency mimo antenna feeding point 9
2 12 generate medium-high frequency resonance with diversity medium-high frequency mimo antenna feedback place 10, can complete diversity high frequency by switching foot 8
Frequency range switching between mimo antenna 110 and diversity medium-high frequency mimo antenna 120 is with GPS and WIFI antenna feed point 4
The heart is generated the frequency range for meeting GPS and WIFI demand by GPS and WIFI antenna feed place 3 and gap 1, realized basic, normal, high
The all standing of frequency range；
Feedback place 1 is adjusted by isolation and isolation adjusts feedback place 26 and is adjusted and improves diversity antenna 100
With the isolation of GPS and WIFI antenna 200, by S11 figure, GPS and WIFI days of testing the diversity high frequency mimo antenna obtained
The S11 figure of line and the S11 of diversity medium-high frequency mimo antenna scheme, and improved mimo antenna meets requirement of experiment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of mimo antenna, including diversity antenna (100) and GPS and WIFI antenna (200), it is characterised in that: the diversity
Antenna (100) and GPS and WIFI antenna (200) are set to the back side of metal edge frame (400), the left and right of the metal edge frame (400)
Two frame tops are equipped with gap one (11) and gap two (12), and the diversity antenna (100), which is set to, is biased to gap two (12)
On the top frame of metal edge frame (400), GPS the and WIFI antenna (200) is set to the metal edge frame for being biased to gap one (11)
(400) upper left position, metal edge frame (400) back side inside are equipped with pcb board (300), GPS the and WIFI antenna
(200) pcb board between diversity antenna (100) is equipped with isolation and adjusts feedback place one (5) and isolation adjusting feedback place
Two (6), the isolation adjusts feedback place one (5) and isolation adjust feedback place two (6) respectively with diversity antenna (100) and
GPS and WIFI antenna (200) is electrically connected；
The pcb board (300) of diversity antenna (100) side is equipped with diversity antenna feeding point (7) and switch foot (8), described
The pcb board (300) of GPS and WIFI antenna (200) side is equipped with GPS and WIFI antenna feed place (3) and GPS and WIFI antenna
Feeding point (4), the diversity antenna (100) respectively with the diversity antenna feeding point on metal edge frame (400) and pcb board (300)
(7) with switch foot (8) be electrically connected, GPS the and WIFI antenna (200) respectively with metal edge frame (400) and pcb board (300)
On GPS and WIFI antenna feed place (3) and GPS and WIFI antenna feed point (4) be electrically connected；
The diversity antenna (100) includes diversity high frequency mimo antenna (110) and diversity medium-high frequency mimo antenna (120), described
Diversity high frequency mimo antenna (110) and diversity medium-high frequency mimo antenna (120) are respectively arranged on gap one (11) and gap two (12)
On the metal edge frame (400) of lower part, the diversity high frequency mimo antenna (110) and diversity medium-high frequency mimo antenna (120) are respectively
It is electrically connected with switch foot (8), the pcb board (300) is equipped with diversity high frequency close to diversity high frequency mimo antenna (110) side
Mimo antenna feeding point (1) and diversity high frequency mimo antenna feedback place (2), the pcb board (300) is close to diversity medium-high frequency MIMO
Antenna (120) side is equipped with diversity medium-high frequency mimo antenna feeding point (9) and diversity medium-high frequency mimo antenna feedback place (10), institute
Diversity high frequency mimo antenna (110) is stated to present with the diversity high frequency mimo antenna on metal edge frame (400) and pcb board (300) respectively
Electric point (1) and diversity high frequency mimo antenna feedback place (2) be electrically connected, the diversity medium-high frequency mimo antenna (120) respectively with
Diversity medium-high frequency mimo antenna feeding point (9) and diversity medium-high frequency mimo antenna on metal edge frame (400) and pcb board (300)
Place (10) are presented to be electrically connected.
2. a kind of mimo antenna according to claim 1, it is characterised in that: the diversity high frequency mimo antenna (110) with
Diversity medium-high frequency mimo antenna (120) is LOOP form, GPS the and WIFI antenna (200) and diversity antenna (100) are IFA
Form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478397.XA CN109449595B (en) | 2018-12-05 | 2018-12-05 | MIMO antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478397.XA CN109449595B (en) | 2018-12-05 | 2018-12-05 | MIMO antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449595A true CN109449595A (en) | 2019-03-08 |
| CN109449595B CN109449595B (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811478397.XA Active CN109449595B (en) | 2018-12-05 | 2018-12-05 | MIMO antenna |
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| Country | Link |
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| CN (1) | CN109449595B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492237A (en) * | 2019-08-19 | 2019-11-22 | 深圳市信维通信股份有限公司 | Mimo antenna structure and mobile device based on metal edge frame |
| CN111613876A (en) * | 2020-05-26 | 2020-09-01 | 捷开通讯(深圳)有限公司 | Antenna structure and mobile terminal thereof |
| WO2021148004A1 (en) * | 2020-01-22 | 2021-07-29 | 华为技术有限公司 | Antenna apparatus and electronic device |
| US11996625B2 (en) | 2019-09-18 | 2024-05-28 | Huawei Technologies Co., Ltd. | Multi-antenna system and electronic device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492237A (en) * | 2019-08-19 | 2019-11-22 | 深圳市信维通信股份有限公司 | Mimo antenna structure and mobile device based on metal edge frame |
| US11996625B2 (en) | 2019-09-18 | 2024-05-28 | Huawei Technologies Co., Ltd. | Multi-antenna system and electronic device |
| WO2021148004A1 (en) * | 2020-01-22 | 2021-07-29 | 华为技术有限公司 | Antenna apparatus and electronic device |
| CN111613876A (en) * | 2020-05-26 | 2020-09-01 | 捷开通讯(深圳)有限公司 | Antenna structure and mobile terminal thereof |
| CN111613876B (en) * | 2020-05-26 | 2023-04-07 | 捷开通讯(深圳)有限公司 | Antenna structure and mobile terminal thereof |
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| Publication number | Publication date |
|---|---|
| CN109449595B (en) | 2023-11-24 |
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