CN206490165U - A kind of unit antenna system of mobile phone of broadband four - Google Patents
A kind of unit antenna system of mobile phone of broadband four Download PDFInfo
- Publication number
- CN206490165U CN206490165U CN201621359675.6U CN201621359675U CN206490165U CN 206490165 U CN206490165 U CN 206490165U CN 201621359675 U CN201621359675 U CN 201621359675U CN 206490165 U CN206490165 U CN 206490165U
- Authority
- CN
- China
- Prior art keywords
- unit
- broadband
- antenna
- mobile phone
- antenna system
- 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
Abstract
The utility model provides a kind of unit antenna system of mobile phone of broadband four, this kind of unit antenna system of mobile phone of broadband four is simple in construction, make easy, high with wide and isolation, it is suitable as the equipment of the mobile terminals such as mobile phone, and the rate of information throughput can be improved, cover five frequency ranges of DCS1800, PCS1900, UMTS2100, LTE2300, LTE2500.In whole working band, the mutual coupling between any two antenna element is respectively less than 10 dB, and the antenna has good diversity performance.
Description
Technical field
The utility model is related to the technical field of multi-input/output antenna, single more specifically to a kind of broadband four
First antenna system of mobile phone.
Background technology
Multiple-input and multiple-output（Multiple-Input and Multiple-Output, MIMO）Technology is that one kind can
Under the premise of not expanding communication band bandwidth, channel capacity is significantly improved, so as to improve the transmission rate of information, reaches that data are high
The ability of speed transmission.Therefore, wideband MIMO antenna is studied on mobile terminal of mobile telephone to be of great immediate significance.
In existing document, Li H in 2014 et al. are in IEEE Transactions on Antennas ＆
Propagation delivers entitled " Design of Orthogonal MIMO Handset Antennas Based on
The GHz of Characteristic Mode Manipulation at Frequency Bands Below 1 " article, in this article
The orthogonal MIMO antenna for mobile phone design less than 1 GH frequency bands is proposed in chapter.Ban Y L in 2014 et al. are in IEEE Antennas
＆ Wireless Propagation Letters deliver entitled " Decoupled Planar WWAN Antennas With T-
Shaped Protruded Ground for Smartphone Applications " article, proposes use in this article
The scheme protruded in decoupling plane WWAN antennas with T-shaped.Wong K L in 2011 et al. are in Microwave ＆ Optical
Technology Letters deliver entitled " Internal mobile phone antenna array for LTE/WWAN
And LTE MIMO operations " article, proposes the movement for LTE/WWAN and LTE MIMO in this article
Telephone antenna array.
Wong K L in 2010 et al. are in Proceedings of the 71st Vehicular Technology
Conference delivers entitled " the MIMO in LTE-Field of Antenna Configurations for 4 × 4
Measurements " article, indicates that 4 × 4 mimo systems can provide more than 2 × 2 mimo systems in this article
Channel capacity.MARTIN C C in 2011 et al. are in Proceedings IEEE Vehicular Technology
Conference delivers entitled " Multiple-input multiple-output (MIMO) radio channel
Measurements article, it is single-input single-output system in theory that four element antenna power system capacities are demonstrated in this article
4 times of system.Wang Xuan in 2011 et al. delivers entitled " Four-element in Chinese Journal of Radio Science
Antenna system for a clamshell phone article, proposes a clamshell phone of Unit four in this article
Antenna, it needs two pieces of floors, so not meeting the demand in intelligent machine epoch of today.Wong K L in 2010 et al. exist
Microwave ＆ Optical Technology Letters deliver entitled " Four LTE low-band smartphone
Antennas and their MIMO performance with user's hand presence " article, in this article
In give a four element antennas for intelligent machine, it covers LTE low-frequency ranges, and a large amount of inductance, electricity are introduced in the design
Hold equal loss's element, and add match circuit, add the complexity of antenna.
This paper presents a kind of five frequency ranges for being operated in DCS1800, PCS1900, UMTS2100, LTE2300, LTE2500
Four unit MIMO antenna for mobile phone.Employ neutralize that line, extension ground, floor slot that three kinds of modes combine make any two antenna
Isolation between unit is respectively less than -10 dB in whole bandwidth of operation.
Utility model content
The purpose of this utility model is to overcome shortcoming and deficiency of the prior art that there is provided a kind of unit mobile phone of broadband four
Antenna system, this kind of unit antenna system of mobile phone of broadband four is simple in construction, make easy, high with wide and isolation, is suitable as
For the equipment of such as mobile phone mobile terminal, and the rate of information throughput can be improved, cover DCS1800, PCS1900,
Five frequency ranges of UMTS2100, LTE2300, LTE2500.In whole working band, the mutual coupling between any two antenna element
Respectively less than -10 dB, the antenna has good diversity performance.
In order to achieve the above object, the utility model is achieved by following technical proposals：A kind of unit hand of broadband four
Machine antenna system, it is characterised in that：The unit antenna system of mobile phone of broadband four includes：First module, the first module bag
Include planar inverted-F antenna；Second unit, the second unit includes planar inverted-F antenna；Third unit, the third unit includes
Planar inverted-F antenna；And Unit the 4th include planar inverted-F antenna, the first module, second unit, third unit,
The planar inverted-F antenna of Unit the 4th is identical.
The unit antenna system of mobile phone of broadband four includes neutralizing line, extension ground, floor fluting.
With line connection is neutralized between the first module and the second unit, line short circuit grounding is neutralized, described first is single
Rectangular channel is provided between first and described third unit.
Paster is printed on FR4 dielectric-slabs.
The size of the FR4 dielectric-slabs is that length is 120 mm -6 mm, and width is 216 mm -10.8mm, and thickness is
3.2 mm -0.16 mm。
The FR4 dielectric-slabs are preferably dimensioned to be the mm of the mm of 108 mm × 60 × 1.6.
Envelope phase relation between the first module and the second unit, the third unit, Unit the 4th
Number both less than 0.11.
The unit antenna system of mobile phone of broadband four include parasitic element, distributing point, actual measurement -6dB impedance bandwidths from
1.7GHz to 2.85GHz.
The unit antenna system of mobile phone of broadband four cover DCS1800, PCS1900, UMTS2100, LTE2300,
Five frequency ranges of LTE2500, in whole working band, the mutual coupling between any two antenna element is respectively less than -10 dB, has
Good diversity performance.
By such scheme, can obtain it is a kind of simple in construction, make easily, the unit antenna for mobile phone of broadband four of high-isolation
System.
More specifically, from the symmetry and reciprocal theorem of antenna structure, the antenna system S parameter is met：S11=
S22=S33=S44, S12=S34, S13=S31=S24=S42, S14=S41=S23=S32, addition parasitic element after in high band institute coverage
It is slightly higher, and it is substantially broadening in low-frequency range bandwidth, solve the problem of can not completely covering DCS1800 frequency ranges.
It is in kind according to antenna, test its S parameter using vector network analyzer Agilent N5247A.ECC is MIMO
The important parameter of antenna.In whole working frequency range, the envelope correlation coefficient between unit 1 and unit 2,3,4 is respectively less than 0.11,
In actual applications, the four element antenna systems designed herein have good diversity performance.
A kind of method for sending signal in the unit antenna system of mobile phone of broadband four, methods described is including the use of broadband four
Unit antenna system of mobile phone sends and receives signal of communication, it is characterised in that：The unit antenna system of mobile phone of broadband four includes
First module, the first module includes inverse-F antenna；Second unit, the second unit includes inverse-F antenna；Third unit, institute
Stating third unit includes inverse-F antenna；And, Unit the 4th includes inverse-F antenna, the first module, second unit, the
Unit three, Unit the 4th planar inverted-F antenna it is identical.
The unit antenna system of mobile phone of broadband four includes neutralizing line, extension ground, floor fluting.
With line connection is neutralized between the first module and the second unit, line short circuit grounding is neutralized, described first is single
Rectangular channel is provided between first and described third unit.
Paster is printed on FR4 dielectric-slabs.
The size of the FR4 dielectric-slabs is that length is 120 mm -6 mm, and width is 216 mm -10.8mm, and thickness is
3.2 mm -0.16 mm。
The FR4 dielectric-slabs are preferably dimensioned to be the mm of the mm of 108 mm × 60 × 1.6.
Envelope phase relation between the first module and the second unit, the third unit, Unit the 4th
Number both less than 0.11.
The unit antenna system of mobile phone of broadband four includes parasitic element, distributing point.
The unit antenna system of mobile phone of broadband four cover DCS1800, PCS1900, UMTS2100, LTE2300,
Five frequency ranges of LTE2500.
More specifically, from the symmetry and reciprocal theorem of antenna structure, the antenna system S parameter is met：S11=
S22=S33=S44, S12=S34, S13=S31=S24=S42, S14=S41=S23=S32, addition parasitic element after in high band institute coverage
It is slightly higher, and it is substantially broadening in low-frequency range bandwidth, solve the problem of can not completely covering DCS1800 frequency ranges.
It is in kind according to antenna, test its S parameter using vector network analyzer Agilent N5247A.ECC is MIMO
The important parameter of antenna.In whole working frequency range, the envelope correlation coefficient between unit 1 and unit 2,3,4 is respectively less than 0.11,
In actual applications, the four element antenna systems designed herein have good diversity performance.
Embodiment of the disclosure realizes enhanced multi-input/output antenna.This is described in detail now with reference to accompanying drawing
The various illustrative embodiments of utility model.While illustrating various details in the following description, will readily appreciate that is not having
The utility model is realized in the case of these details, and recognizes that a large amount of realities can be made to utility model as described herein
It is now specific to determine to reach the specific objective of utility model people, such as to meet the regulation or the pact related to design of technology
Beam, this will change according to different realizations.Although this development is probably complicated and time consuming, however its for
It will be the routine work taken for those skilled in the art in benefit of this disclosure.For example, with block diagram and flow-chart form (and
It is not in detail) selected scheme is shown, to avoid limitation the utility model or make it that the utility model is not obvious.In addition,
Presented in the sense that the algorithm related to the data in computer storage or operation provided herein is embodiment one
A little parts.Those skilled in the art using it is this description and represent to others skilled in the art describe and pass on them to work
Essence.
Used herein, term " system " etc. is intended to refer to computer related entity, its be hardware, software, hardware and
The software performed in the combination or machine of software, computer or processor.For example, component can be (but are not limited to)：Processing
Device, the process run on a processor, object, executable file, thread, program or the computer performed.As explanation,
The application run on computer and computer can be component in itself.One or more assemblies may reside within process or execution
Thread in, and component localization on a computer or can be dispersed on two or more computers.
Word " example " is used to herein to be denoted as example, example or purposes of discussion.Described herein as
It is preferred or favourable that any scheme or design of " example ", which are not necessarily to be construed as relative to other schemes or design,.Ability
Field technique personnel will readily appreciate that to be matched somebody with somebody in the case where not departing from the scope, spirit or degree of theme claimed to this
Put and much changed.In addition it is possible to use standard program and engineering technology by disclosed theme be embodied as system, method,
Device or manufacture, each scheme detailed in this article is realized to produce for control computer or equipment based on processor
Software, firmware, hardware or their any combination.
Brief description of the drawings
Fig. 1 shows antenna overall structure of the present utility model.
Fig. 2 shows the specific size of each antenna element of the present utility model.
Fig. 3 shows Surface current distribution during 1.71 GHz resonant frequencies.
Fig. 4 shows Surface current distribution during 2.34 GHz resonant frequencies.
Fig. 5 shows the S for whetheing there is parasitic element11Comparison diagram.
Fig. 6 shows the mutual coupling situation of unit 1 and unit 2,3 after several decoupling measures.
Fig. 7 shows actual measurement S parameter.
Fig. 8 shows ECC result.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The utility model is illustrated by taking model FR4 substrate as an example, in embodiment, Fig. 1 surrounding 1,2,3,4 points
Not Wei unit 1, unit 2, unit 3, unit 4, unit 1 be first module, unit 2 be second unit, unit 3 be third unit,
Unit 4 is Unit the 4th.
The unit antenna system of mobile phone of broadband four of the present utility model includes antenna, and antenna overall structure is shown in Fig. 1, paster printing
Relative dielectric constant be 4.4, loss tangent be FR4 dielectric-slabs that 0.02, size is the mm of the mm of 108 mm × 60 × 1.6 just
Face, the floor of grey is at its back side.The antenna system is made up of four identical " ∏ " type planar inverted-F antenna units, right
Title is distributed on positive four angles of dielectric-slab.In order to improve the isolation between antenna element, between unit 1 and unit 2
Connected with width for 0.5 mm neutralization line, neutralize short circuit grounding in the middle of line, while extend ground minor matters, and unit 1 and unit 3
A length of 15 mm, a width of 1 mm rectangular channel are opened on middle floor.
Fig. 2 is the specific size of each antenna element, and the size of each unit is the mm of 18.4 mm × 18, by two trunks branches
Section and a parasitic element composition.In order to be best understood from influence of the Each part to antenna of antenna element, Fig. 3 and Fig. 4
Give Surface current distribution of the antenna element 1 in different resonant frequencies.In 1.71 GHz, in the parasitic element of unit 1
There is strong CURRENT DISTRIBUTION, resonance is mainly produced by parasitic element herein；In 2.34 GHz, two trunk minor matters of unit 1
Have above compared with forceful electric power flow distribution, resonance is produced jointly by this two resonance arms herein.
From the symmetry and reciprocal theorem of antenna structure, the antenna system S parameter is met：S11=S22=S33=S44, S12
=S34, S13=S31=S24=S42, S14=S41=S23=S32, therefore this paper properties are reference with unit 1.
Fig. 5 gives the S for whetheing there is parasitic element11Comparison diagram.It can be seen that in high frequency after addition parasitic element
Section institute coverage is slightly higher, and substantially broadening in low-frequency range bandwidth, and asking for DCS1800 frequency ranges can not completely be covered by solving
Topic.
Fig. 6 gives the mutual coupling situation of unit 1 and unit 2,3 after several decoupling measures.In entirely decoupling project study
During, remained at because unit 1 is coupled relatively far apart, between the two with unit 4 below -15dB.Structure 1 is not in figure
By any decoupling measure, structure 2 is that addition neutralizes line and short circuit grounding, and structure 3 is to add extension again on the basis of structure 2
Ground, the scheme of combination be exactly set forth herein decoupling measure.It can be seen that the S of structure 112In 1.6 ~ 2.1 GHz
On be all greater than -10 dB, for the mutual coupling between reduction unit 1 and unit 2, between unit 1 and unit 2 introduce neutralize line simultaneously
Short circuit grounding（Structure 2）, when exciting unit 1, neutralize line and bring new coupling path, with being produced by floor non-actuated unit
The opposite in phase of two raw electric currents, so as to offset a part of couple current, reaches decoupling purpose.But now unit 1 with it is single
Mutual coupling between member 3 has been above -10 dB in 2.2 ~ 2.65 ghz bands.Structure 3 solves this and asked well
Topic, but S12High band again be more than -10 dB, herein will neutralize line, extension ground, floor fluting combination after decoupling into
Work(solves these problems.
It is as shown in Figure 7 that its S parameter is tested with vector network analyzer Agilent N5247A.
ECC is the important parameter of mimo antenna.ECC result is as shown in figure 8, it can be seen that entirely working
In frequency range, the envelope correlation coefficient between unit 1 and unit 2,3,4 is respectively less than 0.11, the result explanation：In actual applications,
The four element antenna systems designed herein have good diversity performance.
Embodiment 2
The utility model is illustrated by taking model FR4 substrate as an example.
A kind of unit antenna system of mobile phone of broadband four, it is characterised in that：The unit antenna system of mobile phone of broadband four includes：
First module, the first module includes planar inverted-F antenna；Second unit, the second unit includes planar inverted-F antenna；The
Unit three, the third unit includes planar inverted-F antenna；And Unit the 4th includes planar inverted-F antenna, described first
Unit, second unit, third unit, Unit the 4th planar inverted-F antenna it is identical.
The unit antenna system of mobile phone of broadband four includes neutralizing line, extension ground, floor fluting.
With line connection is neutralized between the first module and the second unit, line short circuit grounding is neutralized, described first is single
Rectangular channel is provided between first and described third unit.
Paster is printed on FR4 dielectric-slabs.
The size of the FR4 dielectric-slabs is the mm of the mm of 54 mm × 30 × 0.8.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (8)
1. a kind of unit antenna system of mobile phone of broadband four, it is characterised in that：The element antenna system of broadband four includes：First is single
Member, the first module includes planar inverted-F antenna；Second unit, the second unit includes planar inverted-F antenna；Third unit,
The third unit includes planar inverted-F antenna；Unit the 4th, Unit the 4th includes planar inverted-F antenna, and described first is single
Member, second unit, third unit, Unit the 4th planar inverted-F antenna it is identical, the element antenna system of broadband four include neutralize
Line, extension ground, floor fluting, are connected with neutralization line between the first module and the second unit, neutralize line short circuit grounding,
Rectangular channel is provided between the first module and the third unit.
2. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：The unit mobile phone of broadband four
Antenna system includes parasitic element.
3. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：Paster is printed on FR4 media
Plate.
4. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：The size of FR4 dielectric-slabs is
Length is 120 mm -6 mm, and width is 216 mm -10.8mm, and thickness is 3.2 mm -0.16 mm.
5. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：The size of FR4 dielectric-slabs is excellent
Elect the mm of the mm of 108 mm × 60 × 1.6 as.
6. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：The first module with it is described
Envelope correlation coefficient between second unit, the third unit, Unit the 4th is both less than 0.11.
7. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：The unit mobile phone of broadband four
Antenna system covers five frequency ranges of DCS1800, PCS1900, UMTS2100, LTE2300, LTE2500.
8. the unit antenna system of mobile phone of broadband four according to claim 1, it is characterised in that：Between any two unit
Isolation is respectively less than -10 dB in whole bandwidth of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359675.6U CN206490165U (en) | 2016-12-13 | 2016-12-13 | A kind of unit antenna system of mobile phone of broadband four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359675.6U CN206490165U (en) | 2016-12-13 | 2016-12-13 | A kind of unit antenna system of mobile phone of broadband four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490165U true CN206490165U (en) | 2017-09-12 |
Family
ID=59768217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621359675.6U Expired - Fee Related CN206490165U (en) | 2016-12-13 | 2016-12-13 | A kind of unit antenna system of mobile phone of broadband four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206490165U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539381A (en) * | 2018-05-11 | 2018-09-14 | 瑞声科技（南京）有限公司 | Antenna system and mobile terminal |
| CN114024137A (en) * | 2021-11-09 | 2022-02-08 | 安徽大学 | Multi-loop resonance structure and MIMO antenna communication system |
| CN114447617A (en) * | 2022-01-28 | 2022-05-06 | 江苏亿连通信技术有限公司 | Microstrip antenna structure based on microstrip line structure decoupling design and design method thereof |
-
2016
- 2016-12-13 CN CN201621359675.6U patent/CN206490165U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539381A (en) * | 2018-05-11 | 2018-09-14 | 瑞声科技（南京）有限公司 | Antenna system and mobile terminal |
| CN114024137A (en) * | 2021-11-09 | 2022-02-08 | 安徽大学 | Multi-loop resonance structure and MIMO antenna communication system |
| CN114447617A (en) * | 2022-01-28 | 2022-05-06 | 江苏亿连通信技术有限公司 | Microstrip antenna structure based on microstrip line structure decoupling design and design method thereof |
| CN114447617B (en) * | 2022-01-28 | 2023-08-15 | 江苏亿连通信技术有限公司 | Microstrip antenna structure based on microstrip line structure decoupling design and design method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xue et al. | MIMO antenna using hybrid electric and magnetic coupling for isolation enhancement | |
| Wong et al. | Dual‐band dual inverted‐F/loop antennas as a compact decoupled building block for forming eight 3.5/5.8‐GHz MIMO antennas in the future smartphone | |
| Soltani et al. | A port and frequency reconfigurable MIMO slot antenna for WLAN applications | |
| Khan et al. | Compact ultra‐wideband diversity antenna with a floating parasitic digitated decoupling structure | |
| CN201845871U (en) | Two-unit-broadband MIMO (multiple input multiple output) antenna array | |
| Powell | Antenna design for ultra wideband radio | |
| Chen et al. | Characterizations of mutual coupling effects on switch-based phased array antennas for 5G millimeter-wave mobile communications | |
| CN104733857A (en) | Miniaturized high-isolation dual-band MOMO antenna | |
| Lin et al. | A triple band hybrid MIMO rectangular dielectric resonator antenna for LTE applications | |
| Chen et al. | Simultaneous decoupling and decorrelation scheme of MIMO arrays | |
| CN206490165U (en) | A kind of unit antenna system of mobile phone of broadband four | |
| Ullah et al. | A four-port multiple input multiple output (MIMO) antenna for future 5G smartphone applications | |
| Islam et al. | Design of a half-wave dipole antenna for wi-fi & wlan system using ism band | |
| Shi et al. | Compact quadruple band MIMO antenna for 5G mobile applications | |
| Azremi et al. | Coupling element-based dual-antenna structures for mobile terminal with hand effects | |
| Agrawal et al. | Design and Simulation of MIMO antenna for low frequency 5G band application | |
| Thamae et al. | Dielectric resonator-based multiple-input multiple-output antennas and channel characteristic analysis | |
| Prakash et al. | MIMO antenna for mobile terminals with enhanced isolation in LTE band | |
| Khan et al. | Efficiency of millimeter wave mobile terminal antennas with the influence of users | |
| Zhou et al. | Design of Six Port Antenna With Frequency Diversity and Diverse Radiation Pattern | |
| Plicanic et al. | Performance of a multiband diversity antenna with hand effects | |
| Tatomirescu et al. | Port isolation method for MIMO antenna in small terminals for next generation mobile networks | |
| Zabetiakmal et al. | A side-edge frame dual-band eight-element MIMO antenna array for 5G handset | |
| Hossain et al. | A two-element planar multiple input multiple output array for ultra-wideband applications | |
| Liu et al. | Design and performance investigation of a 2.6 GHz dual-element MIMO antenna system for LTE terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20171213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |