CN102856644B - LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch - Google Patents
LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch Download PDFInfo
- Publication number
- CN102856644B CN102856644B CN201210107065.7A CN201210107065A CN102856644B CN 102856644 B CN102856644 B CN 102856644B CN 201210107065 A CN201210107065 A CN 201210107065A CN 102856644 B CN102856644 B CN 102856644B
- Authority
- CN
- China
- Prior art keywords
- antenna
- diversity antenna
- metal
- metal wire
- diversity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to an LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by a switch. The structure comprises a metal ground, a main antenna, a diversity antenna and a control switch, wherein the metal ground comprises a first side and a second side which form a pair of opposite sides; the main antenna is arranged at the first side of the metal ground; the diversity antenna is arranged at the second side of the metal ground; and the diversity antenna is internally connected to the metal ground through the control switch. The antenna can cover a high-performance LTE MIMO antenna at a low frequency range, and is very applicable to be installed on mobile terminals such as a mobile phone, and the technical problem that excellent isolation and low relevancy can not be simultaneously realized in multiple wide frequency ranges in the prior art are solved.
Description
Technical field
The present invention relates to a kind of antenna for mobile phone, particularly a kind of LTE MIMO antenna structure of mobile phole of switch control rule.
Background technology
As next generation wireless communication technology, LTE(Long Term Evolution is next generation wireless communication standard) data rate faster can be provided, more excellent multimedia service.In LTE technology, MIMO(Multiple Input Multiple Output, refer to and adopt many transmit antennas at transmitting terminal, receiving terminal adopts many reception antennas) be the technology of most critical.In MIMO technology, need to use two or more reception and transmitting antenna being operated in same frequency.For the multiple antennas being operated in same frequency, coupling certainly exists.And the coupling between antenna can reduce the performance of antenna.Especially for mimo antenna, good isolation and low relative coefficient should be had between antenna to realize high diversity gain.The method of raising isolation between antennas the most frequently used at present increases over half to operation wavelength of distance between antenna.But in handheld device (as mobile phone), space is very narrow and small, and the gap between antenna is very little, designs and to meet the demands and the mimo antenna system with superperformance is very difficult, particularly in low-frequency range.Simultaneously, multiple wireless communication standard is had to meet different application in current world wide, and a standard also can cover multiple frequency range, the frequency range of only LTE covering, just from 700MHz until 2690 MHz, therefore needs LTE antenna system also can realize multiband work.In order to realize the LTE antenna of function admirable, a large amount of research work has been done by many companies and multiple R&D team, and the method proposed and structure comprise following several:
The first, adopt decoupling technique.Please refer to Fig. 1, this technology adds one section of uncoupling network between two antennas, and this network is made up of two transmission lines and several lumped-parameter element.But the method has following shortcoming: one is occupy too much pcb board space, and network needs through whole pcb board, and this is unallowed in the design of reality; Two is that the method can only realize good isolation and low correlation in a narrow frequency range, cannot realize good isolation and low correlation in multiple wide-band simultaneously.
The second, in employing and line technology realize between antenna height isolation.Please refer to Fig. 2, between the antenna of two close proximity, increase a transmission line, this transmission line can in and coupling energy between antenna, realize high isolation.But, the shortcoming of the method also clearly: one is can only be realize high isolation in very narrow frequency band; Two is that the method is not suitable for multiband work, adopts the method can realize high isolation in a narrow frequency range, but in other frequency ranges, isolation is degenerated.And in adopting and after line technology, two antennas are still symmetrical, and radiation direction still can be very close, and therefore the envelope correlation coefficient problem of its low-frequency range may still cannot be resolved.
The third, adopt electromagnetism Super-material antenna.Please refer to Fig. 3, this technology adopts two electromagnetism Meta Materials fabrication techniques antennas, and therefore antenna size is less.But this technology is also difficult to realize multiband work, and also lower in the radiation efficiency of design frequency range internal antenna.
4th kind, adopt the method that diversity antenna side is placed.Please refer to Fig. 4, main antenna is placed on the end on the long limit of plank, and diversity antenna is placed on the side of plank.The radiation direction of two kinds of antennas is different, thus realizes isolation high between antenna and low relative coefficient, and radiation efficiency is better.But the method needs to take most lateral space, many times cell phone manufacturer cannot provide such space to diversity antenna, which has limited the range of application of the method.
Summary of the invention
The object of the present invention is to provide a kind of LTE MIMO antenna structure of mobile phole of switch control rule, this antenna is the high-performance LTE mimo antenna that can cover low-frequency range, and be very suitable for placement and be arranged on the mobile terminals such as mobile phone, to solve the technical problem that cannot realize good isolation and low correlation in prior art in multiple wide-band simultaneously.
In order to solve the problem, the invention provides a kind of LTE MIMO antenna structure of mobile phole of switch control rule, comprise Metal ground, main antenna, diversity antenna and control switch, described Metal ground comprises first side and second side, described first side and second side are one group of opposite side, described main antenna is arranged on the first side of described Metal ground, and described diversity antenna is arranged on the second side of described Metal ground; Also Metal ground is connected to by described control switch in described diversity antenna.
Preferably, described diversity antenna comprises diversity antenna feed line, diversity antenna feed port and some diversity antennas bending branch metal wire, and one end of some diversity antenna bending branches metal wire is connected with described Metal ground respectively; One end of described diversity antenna feed line is connected with described diversity antenna feed port, and the other end and a diversity antenna bend branch's metal wire and be connected; The input of described control switch is connected to diversity antenna bending branch's metal wire or a diversity antenna feed line by a connection metal line, the output of described control switch is connected to described Metal ground respectively by some different elements, and some diversity antenna bending branches metal wire forms capacitive load.
Preferably, some diversity antenna bending branches metal wire all forms gap with described Metal ground, and described some diversity antenna bending branches metal wire bends to correspondence direction.
Preferably, described some diversity antenna bending branches metal wire comprises first diversity antenna bending branch's metal wire and the second diversity antenna bending branch metal wire, and described first diversity antenna bending branch metal wire is all connected with described Metal ground with one end of the second diversity antenna bending branch metal wire; One end of described diversity antenna feed line is connected with described diversity antenna feed port, and the other end bends branch's metal wire with described first diversity antenna and is connected; Described first diversity antenna bending branch metal wire is connected with described control switch by described connection metal line.
Preferably, described control switch is radio-frequency (RF) switch, the input of described radio-frequency (RF) switch bends branch's metal wire by described connection metal line with the first classification antenna and is connected, and the output of described radio-frequency (RF) switch is connected to described Metal ground by some different elements, some different element in parallel.
Preferably, described first diversity antenna bending branch metal wire also comprises some branches.
Preferably, described main antenna comprises an annular metal cord and main antenna feed port, and one end of described annular metal cord is connected with described main antenna feed port, and the other end is connected with described Metal ground.
Preferably, the length of described annular metal cord is the half of the wavelength of lowest operating frequency.
Preferably, described main antenna is following wherein a kind of: monopole antenna, loop antenna, IFA antenna, PIFA antenna, slot antenna.
Compared with prior art, there is following technique effect in the present invention:
The LTE MIMO antenna structure of mobile phole of a kind of switch control rule of the present invention, realization can in the high-performance LTE mimo antenna of multiple band operation, particularly can be operated in well in the such low-frequency range of 700MHz-960MHz, high isolation and low relative coefficient can be obtained, and be very suitable for placement and be arranged on the mobile terminals such as mobile phone.
The first, the height that antenna structure of the present invention can realize main antenna and diversity antenna in multiple frequency range is isolated and low correlation.
The second, the diversity antenna in antenna structure of the present invention is placed on the end of circuit board, does not need to take too much side area, facilitates the design and installation of non-antenna device in the mobile terminal devices such as mobile phone.
3rd, the working frequency range of antenna structure of the present invention can comprise the such low-frequency range of LTE700.
Accompanying drawing explanation
Fig. 1 is the structural representation adopting decoupling technique in prior art;
Fig. 2 be in prior art adopt in and line technology realize between antenna height isolation structural representation;
Fig. 3 is the structural representation adopting electromagnetism Super-material antenna in prior art;
Fig. 4 is the structural representation of the method adopting diversity antenna side to place in prior art;
Fig. 5 is the schematic diagram of the LTE MIMO antenna structure of mobile phole of a kind of switch control rule of the present invention;
Fig. 6 is the structural representation of main antenna of the present invention;
Fig. 7 is a kind of structural representation of diversity antenna of the present invention;
Fig. 8 is the another kind of structural representation of diversity antenna of the present invention;
Fig. 9 is the design principle figure of radio-frequency (RF) switch of the present invention;
Figure 10 is main antenna of the present invention and the stickogram of diversity antenna when diversity antenna is operated in state 1;
Figure 11 is main antenna of the present invention and the coefficient correlation figure of diversity antenna when diversity antenna is operated in state 1;
Figure 12 is main antenna of the present invention and the stickogram of diversity antenna when diversity antenna is operated in state 2;
Figure 13 is main antenna of the present invention and the coefficient correlation figure of diversity antenna when diversity antenna is operated in state 2.
Embodiment
The invention provides a kind of LTE MIMO antenna structure of mobile phole of switch control rule, comprise Metal ground, main antenna, diversity antenna and control switch, Metal ground comprises first side and second side, first side and second side are one group of opposite side, main antenna is arranged on the first side of Metal ground, and diversity antenna is arranged on the second side of Metal ground; Also Metal ground is connected to by control switch in diversity antenna.
Diversity antenna comprises diversity antenna feed line, diversity antenna feed port and some diversity antennas bending branch metal wire, and one end of some diversity antenna bending branches metal wire is connected with Metal ground respectively; One end of diversity antenna feed line is connected with diversity antenna feed port, and the other end and a diversity antenna bend branch's metal wire and be connected; The input of control switch is connected to diversity antenna bending branch's metal wire or a diversity antenna feed line by a connection metal line, the output of control switch is connected to Metal ground respectively by some different elements, and some diversity antenna bending branches metal wire forms capacitive load.In the present invention, control switch can bend branch's metal wire with a diversity antenna and be connected and switch the operating state of antenna, and also can be connected the operating state with switched antenna with diversity antenna feed line, the present invention is not limited; Diversity antenna can be designed as low frequency operation, and also can increase frequency range number to realize high-frequency work by increasing more diversity antenna bending branch metal wire, the present invention is not restricted this; Meanwhile, the present invention also can increase frequency range number by the control way (each element is a Dominating paths of control switch) increasing control switch.The present invention is not restricted this.Below in conjunction with accompanying drawing, lift specific embodiment and described in detail.
Please refer to Fig. 5, a kind of LTE MIMO antenna structure of mobile phole of switch control rule, comprise Metal ground 1, main antenna 11, diversity antenna 12 and control switch, Metal ground 1 comprises first side 10 and second side 20, and first side 10 and second side 20 are one group of opposite side.In the present embodiment, first side 10 is parallel with second side 20.Main antenna 11 is arranged on the first side 10 of Metal ground 1, and diversity antenna 12 is arranged on the second side 20 of Metal ground 1, and is also connected to Metal ground 1 by control switch in diversity antenna 12.In the present embodiment, this Metal ground 1 is a rectangle structure, and first side 10 and second side 20 are one group of opposite side, and this can be the opposite side of both sides to opposite side, and also can be the top opposite side at two ends, the present embodiment not be limited this.Preferably, first side 10 and second side 20 are the top opposite side at two ends, and namely diversity antenna 12 is arranged on top, and diversity antenna 12 is arranged on top, and this kind of set-up mode is larger than technical difficulty on the limit being arranged on both sides.
Please refer to Fig. 6, main antenna 11 comprises an annular metal cord and main antenna feed port 114, and one end of annular metal cord is connected with main antenna feed port 114, and the other end is connected with Metal ground 1.In the present embodiment, this annular metal cord comprises the first vertical metal line 111, tiling annular metal cord 112 and the second vertical metal line 113, first vertical metal line 111 is vertical with Metal ground 1 respectively with the second vertical metal line 113, tiling annular metal cord 112 is parallel with Metal ground 1, and this tiling annular metal cord 112 is the ring-type do not closed, the shape of the present embodiment to this tiling annular metal cord 112 is not restricted, and in the present embodiment, this tiling annular metal cord 112 is square.One end of first vertical metal line 111 is connected with main antenna feed port 114, and the other end is connected with the left end of tiling annular metal cord 112; The connection metal ground, one end 1 of the second vertical metal line 113 is in 113a place, and the other end is connected with the right-hand member of tiling annular metal cord 112.The length of this annular metal cord is the half of the wavelength of lowest operating frequency.
In the present embodiment, main antenna 11 adopts loop antenna, realizes a LTE mimo antenna textural association with diversity antenna 12, but the present invention is not limited thereto, main antenna 11 can also adopt monopole antenna, loop antenna, IFA antenna, PIFA antenna, and slot antenna etc., the present invention is not limited.
Diversity antenna 12 comprises diversity antenna feed line, diversity antenna feed port and some diversity antennas bending branch metal wire, and one end of some diversity antenna bending branches metal wire is connected with Metal ground 1 respectively; One end of diversity antenna feed line is connected with diversity antenna feed port, and the other end and a diversity antenna bend branch's metal wire and be connected; The input of control switch is connected to diversity antenna bending branch's metal wire or a diversity antenna feed line by a connection metal line, the output of control switch is connected to Metal ground 1 respectively by some different elements, and some diversity antenna bending branches metal wire forms capacitive load.The present invention does not do concrete restriction to the type of control switch, and in the present embodiment, this control switch is radio-frequency (RF) switch.In the present invention, the input of radio-frequency (RF) switch is connected to the diversity antenna bending branch metal wire of one of them by a connection metal line, the operating state of antenna is switched, or being connected to diversity antenna feed line with the operating state of switched antenna by a connection metal line, the present invention is not restricted this.The output of radio-frequency (RF) switch is connected to Metal ground 1 respectively by some different elements, namely this some different element is in parallel, within some time periods, an element is only had to be communicated with input, other element and input disconnect, now, the element that diversity antenna 12 is connected by input is connected with Metal ground 1.In the present invention, being communicated with output by switching different inputs, the operating state of diversity antenna 12 can be controlled.In the present invention, be not restricted the number of element, the present invention increases frequency range number by the control way (each element is a Dominating paths of control switch) increasing radio-frequency (RF) switch.In the present embodiment, some diversity antenna bending branches metal wire all forms gap with Metal ground 1, and some diversity antenna bending branches metal wire bends to correspondence direction.
Please refer to Fig. 7, in the present embodiment, some diversity antenna bending branches metal wire comprises the first diversity antenna bending branch metal wire 121 and metal wire 122, first diversity antenna bending branch of the second diversity antenna bending branch metal wire 121 is all connected with Metal ground 1 with one end of the second diversity antenna bending branch metal wire 122; One end of diversity antenna feed line 123 is connected with diversity antenna feed port 124, and the other end and the first diversity antenna bend branch's metal wire 121 and be connected; First diversity antenna bending branch metal wire 121 is connected with radio-frequency (RF) switch 13 by connection metal line 125.In the present embodiment, the first diversity antenna bending branch metal wire 121 is L-type, and is vertically connected with Metal ground 1, and first the first diversity antenna bending branch metal wire 121 upwards extends perpendicular to the 121a place of Metal ground 1, and then extends to the right; Second diversity antenna bending branch metal wire 122 is also vertically be connected with Metal ground 1, and first the second diversity antenna bending branch metal wire 122 upwards extends perpendicular to the 122a place of Metal ground 1, and then extends back, and finally extends left again.Second diversity antenna bending branch metal wire 122 forms capacitive load to the first diversity antenna bending branch metal wire 121, one of its effect can reduce the length of the first diversity antenna bending branch metal wire 121, effect two on can change the sense of current and the radiation direction of operating frequency place diversity antenna 12, and reduce and being coupled of main antenna 11, improve isolation and the relative coefficient of diversity antenna 12 and main antenna 11.
In an embodiment, this diversity antenna 12 is only designed to low frequency operation.But in fact can also realize high-frequency work by increasing some branch's metal wires on the first diversity antenna bending branch metal wire 121.As, please refer to Fig. 8, at increase by branch metal wire 121b on the first diversity antenna bending branch metal wire 121, this branch metal wire 121b is L-type, and extend to the second diversity antenna bending branch metal wire 122.A high-frequency work frequency range can be produced by increasing this branch metal wire 121b.
Please refer to Fig. 7 and Fig. 9, in the present embodiment, the input of radio-frequency (RF) switch 13 is connected to the 121c place of Metal ground 1 by a connection metal line 125, output is connected to Metal ground 1 respectively by some different elements, and some different elements are in parallel, within some time periods, an element is only had to be communicated with input, other element and input disconnect, and now, the element that diversity antenna 12 is connected by input is connected with Metal ground 1.
The antenna structure of mobile phole of support LTE MIMO technology proposed by the invention can adopt multiple technologies to realize, as PCB processing, flexographic plate technology, metal is pasted, the technology such as 3D LDS processing, but antenna structure proposed by the invention not only can adopt above-mentioned technology to realize, other possible process technologies also can be adopted to realize, and the present invention is not limited.
Please refer to Figure 10, its be the output of radio-frequency (RF) switch 13 by element 1 and input UNICOM, now diversity antenna 12 is operated in state 1.Wherein curve 1S11 represents the return loss of main antenna 11 in whole frequency band, and curve 1S22 represents the return loss of diversity antenna 12 when state 1, and curve 1S21 represents the coupling condition between main antenna 11 and diversity antenna 12.Main antenna 11 and diversity antenna 12 realize MIMO and work together with in the frequency range of 0.79-0.82GHz.Curve S 21 is all less than-12dB in design frequency range, illustrates to have quite good isolation between main antenna 11 and diversity antenna 12.
Please refer to Figure 11, it is the relative coefficient of diversity antenna 12 main antenna 11 and diversity antenna 12 when being operated in state 1.Can see that relative coefficient is less than 0.4, shows that main antenna 11 and diversity antenna 12 can realize good MIMO and work in design frequency range 0.79-0.82GHz.
Please refer to Figure 12, its be the output of radio-frequency (RF) switch 13 by element 2 and input UNICOM, now diversity antenna 12 is operated in state 2.Wherein curve 2S11 represents the return loss of main antenna 11 in whole frequency band, and curve 2S22 represents the return loss of diversity antenna 12 when state 2, and curve 2S21 represents the coupling condition between main antenna 11 and diversity antenna 12.Main antenna 11 and diversity antenna 12 realize MIMO and work together with in the frequency range of 0.925-0.96GHz.Curve S 21 is all less than-12dB in design frequency range, illustrates to have quite good isolation between main antenna 11 and diversity antenna 12.
Please refer to Figure 13, it is the relative coefficient of diversity antenna 12 main antenna 11 and diversity antenna 12 when being operated in state 2.Can see that relative coefficient is less than 0.4, shows that main antenna 11 and diversity antenna 12 can realize good MIMO and work in design frequency range 0.925-0.96GHz.
Be only a specific embodiment of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection range of the application.
Claims (7)
1. the LTE MIMO antenna structure of mobile phole of a switch control rule, it is characterized in that, comprise Metal ground, main antenna, diversity antenna and control switch, described Metal ground comprises first side and second side, described first side and second side are one group of opposite side, described main antenna is arranged on the first side of described Metal ground, and described diversity antenna is arranged on the second side of described Metal ground; Also Metal ground is connected to by described control switch in described diversity antenna;
Described diversity antenna comprises diversity antenna feed line, diversity antenna feed port and some diversity antennas bending branch metal wire, and one end of some diversity antenna bending branches metal wire is connected with described Metal ground respectively; One end of described diversity antenna feed line is connected with described diversity antenna feed port, and the other end and a diversity antenna bend branch's metal wire and be connected; The input of described control switch is connected to diversity antenna bending branch's metal wire or a diversity antenna feed line by a connection metal line, the output of described control switch is connected to described Metal ground respectively by some different elements, and some diversity antenna bending branches metal wire forms capacitive load;
Described some diversity antenna bending branches metal wire comprises first diversity antenna bending branch's metal wire and the second diversity antenna bending branch metal wire, and described first diversity antenna bending branch metal wire is all connected with described Metal ground with one end of the second diversity antenna bending branch metal wire; One end of described diversity antenna feed line is connected with described diversity antenna feed port, and the other end bends branch's metal wire with described first diversity antenna and is connected; Described first diversity antenna bending branch metal wire is connected with described control switch by described connection metal line; Second diversity antenna bending branch metal wire forms capacitive load to the first diversity antenna bending branch metal wire.
2. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 1, is characterized in that, some diversity antenna bending branches metal wire all forms gap with described Metal ground, and described some diversity antenna bending branches metal wire bends to correspondence direction.
3. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 1, it is characterized in that, described control switch is radio-frequency (RF) switch, the input of described radio-frequency (RF) switch bends branch's metal wire by described connection metal line with the first classification antenna and is connected, the output of described radio-frequency (RF) switch is connected to described Metal ground by some different elements, some different element in parallel.
4. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 1, is characterized in that, described first diversity antenna bending branch metal wire also comprises some branches.
5. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 1, it is characterized in that, described main antenna comprises an annular metal cord and main antenna feed port, and one end of described annular metal cord is connected with described main antenna feed port, and the other end is connected with described Metal ground.
6. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 5, it is characterized in that, the length of described annular metal cord is the half of the wavelength of lowest operating frequency.
7. the LTE MIMO antenna structure of mobile phole of switch control rule as claimed in claim 1, is characterized in that, described main antenna is following wherein a kind of: monopole antenna, loop antenna, IFA antenna, PIFA antenna, slot antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210107065.7A CN102856644B (en) | 2012-04-13 | 2012-04-13 | LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210107065.7A CN102856644B (en) | 2012-04-13 | 2012-04-13 | LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102856644A CN102856644A (en) | 2013-01-02 |
| CN102856644B true CN102856644B (en) | 2015-02-04 |
Family
ID=47402990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210107065.7A Expired - Fee Related CN102856644B (en) | 2012-04-13 | 2012-04-13 | LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102856644B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199332B (en) * | 2013-03-27 | 2015-11-25 | 上海安费诺永亿通讯电子有限公司 | A kind of built-in multiple frequency band LTE mimo antenna |
| CN104112904A (en) * | 2013-04-17 | 2014-10-22 | 中兴通讯股份有限公司 | Decoupling method and mobile terminal |
| CN106450658A (en) | 2015-08-07 | 2017-02-22 | 微软技术许可有限责任公司 | Antenna device for electronic equipment |
| CN105932420A (en) * | 2016-05-31 | 2016-09-07 | 芜湖辉灿电子科技有限公司 | Mobile phone antenna with multiple alternatively used branches |
| WO2018148973A1 (en) * | 2017-02-20 | 2018-08-23 | 华为技术有限公司 | Communication device supporting multiple-input multiple-output technology |
| CN108879112B (en) * | 2017-05-12 | 2021-02-09 | 华为技术有限公司 | Antenna array and terminal |
| CN112751195A (en) * | 2019-10-31 | 2021-05-04 | 珠海市魅族科技有限公司 | Terminal antenna system and mobile terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
| CN1875518A (en) * | 2003-10-31 | 2006-12-06 | Lk产品有限公司 | Multiband planar antenna |
| CN102394348A (en) * | 2011-07-08 | 2012-03-28 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency-range cell phone MIMO (Multiple Input Multiple Output) antenna structure applicable to LTE (Long Term Evolution) standard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692347A (en) * | 2009-07-17 | 2010-04-07 | 珠海艾派克微电子有限公司 | Memory chip on imaging box of imaging device |
| FI20096134A0 (en) * | 2009-11-03 | 2009-11-03 | Pulse Finland Oy | Adjustable antenna |
-
2012
- 2012-04-13 CN CN201210107065.7A patent/CN102856644B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
| CN1875518A (en) * | 2003-10-31 | 2006-12-06 | Lk产品有限公司 | Multiband planar antenna |
| CN102394348A (en) * | 2011-07-08 | 2012-03-28 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency-range cell phone MIMO (Multiple Input Multiple Output) antenna structure applicable to LTE (Long Term Evolution) standard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102856644A (en) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102856644B (en) | LTE (Long Term Evolution) MIMO (Multiple Input Multiple Output) mobile phone antenna structure controlled by switch | |
| CN102856645B (en) | Support the antenna structure of mobile phole of LTE MIMO technology | |
| CN103401061B (en) | Six frequency band smart phone MIMO (Multiple Input Multiple Output) antenna | |
| CN102694261B (en) | Antenna module | |
| CN103858277B (en) | A kind of three poliarizing antennas | |
| CN204596947U (en) | Mobile terminal antenna and mobile terminal | |
| CN108565543B (en) | MIMO antenna structure and handheld device with same | |
| CN202759016U (en) | Tunable coupling feed antenna system | |
| CN106935960A (en) | A kind of antenna element and mimo antenna and terminal | |
| CN105591190A (en) | Completely closed metal frame antenna and MIMO antenna thereof | |
| CN109659686B (en) | High-isolation MIMO antenna | |
| CN102570028A (en) | System and method for realizing high isolation of antennas between adjacent frequency bands | |
| CN102868017A (en) | Radiation device and array antenna based on same | |
| CN201937004U (en) | Double G type multiband antenna | |
| CN103825108A (en) | Mobile phone terminal MIMO antenna structure applied to multiple modes and multiple bands | |
| CN106252839A (en) | A kind of band becket reconfigurable LTE MIMO antenna for mobile phone | |
| CN105811076A (en) | High-isolation mobile phone antenna structure based on metal back cover | |
| CN103811869B (en) | A kind of multi-input multi-output antenna system and mobile terminal | |
| CN106450728A (en) | Flexible wearable dual-band monopole antenna based on PDMS material | |
| CN103594793A (en) | Communication device | |
| CN204741070U (en) | Antenna device | |
| CN204391276U (en) | Antenna assembly | |
| Di Wu et al. | A planar MIMO antenna for mobile phones | |
| CN108963431B (en) | Dual-polarized sub-6GHz antenna system of mobile communication terminal | |
| CN203760679U (en) | MIMO antenna structure suitable for multi-mode multi-band mobile phone terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20200413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |