CN206471485U - A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals - Google Patents
A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals Download PDFInfo
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- CN206471485U CN206471485U CN201621424906.7U CN201621424906U CN206471485U CN 206471485 U CN206471485 U CN 206471485U CN 201621424906 U CN201621424906 U CN 201621424906U CN 206471485 U CN206471485 U CN 206471485U
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- China
- Prior art keywords
- pin diode
- frequency range
- lte
- subscriber terminals
- mobile subscriber
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Abstract
The utility model discloses a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, radiating element, PIN diode component in embedded radiating element, the fixture of fixed radiating element and PIN diode component, the mobile phone substrate of fixed fixture；Radiating element composition has：First radiation branch, the second radiation bending branch, the 3rd radiation bending branch；PIN diode component composition has：The second PIN diode, the 3rd PIN diode, the 4th PIN diode in the first PIN diode in the second radiation bending branch, embedded 3rd radiation bending paper slip.The utility model provides a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, the utility model is distributed on antenna radiation unit wattles by 4 PIN diodes, by the bias state for changing 4 PIN diodes, make each branch electric current redistribution of its radiating element, antenna electric performance parameter is set to change, so as to realize nine Band mobile communication systems of covering, global roaming is realized.
Description
Technical field
It is related to radio equipment field, particularly a kind of nine frequency ranges reconfigurable antenna.
Background technology
The equipment launched in radio system or receive electromagnetic wave, referred to as antenna (antenna).The function of antenna is energy
Conversion：Radio frequency guided wave energy is transformed into radio energy to space radiation；Or vice versa, by incident spatial electromagnetic wave energy quantitative change
Change radio frequency guided wave energy into and be transferred to receiver.I.e. antenna is the converter between guided electromagnetic wave and spatial electromagnetic ripple.
Reconfigurable antenna (Reconfigurable Antenna), generally referred to as antenna structure restructural.Or pass through
The redistribution of its electric current or aperture field, to try to achieve the change of antenna electric performance.With multifunction wireless terminal, how defeated multi input is
Go out (MIMO) and radio ultra wide band system and anti-interference with secure communication demand, reconfigurable antenna become new study hotspot it
One.
PIN diode (PIN Diode), adds low-doped intrinsic of a thin layer between P and N semi-conducting materials
(Intrinsic) semiconductor layer, the diode of this P-I-N structures of composition is exactly PIN diode.PIN diode frequently as
Variable impedance element is used, or is switched as microwave radio among reconfigurable antenna design.
It is badly in need of currently on the market by using PIN diode, to change antenna current distribution, sends out antenna electric performance parameter
It is raw to change, so as to realize the covering Band mobile communication systems of LTE/WWAN nine；Not the problem of prior art does not also solve such.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is that providing a kind of moved suitable for LTE＆WWAN uses
Nine frequency range reconfigurable antennas of family terminal, the utility model is distributed in antenna radiation unit wattles by 4 PIN diodes
On, by changing the bias state of 4 PIN diodes, make each branch electric current redistribution of its radiating element, make antenna electrical
Energy parameter changes, so as to realize covering LTE700 (698-787MHz), GSM850 (824-894MHz), GSM900 (880-
960MHz),GSM1800(1710-1880MHz),GSM1900(1850-1990MHz),UMTS(1920-2170MHz),
LTE2300 (2300-2400MHz), LTE2500 (2500-2690MHz), WLAN (2400-2480MHz) frequency range, this nine frequency range are moved
Dynamic communication system, realizes global roaming.
In order to realize above-mentioned target, the utility model is adopted the following technical scheme that：
A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, radiating element, embedded radiation is single
PIN diode component in member, the fixture of fixed radiating element and PIN diode component, the mobile phone substrate of fixed fixture；
Radiating element composition has：First radiation branch, the second radiation bending branch, the 3rd radiation bending branch；PIN diode component group
Cheng You：The 2nd PIN bis- in the first PIN diode in the second radiation bending branch, embedded 3rd radiation bending paper slip
Pole pipe, the 3rd PIN diode, the 4th PIN diode.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, fixture is FR4 materials
The cube of matter.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, the volume of fixture
For：40mm×8mm×5mm.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, mobile phone substrate is FR4
The substrate of material.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, the volume of mobile phone substrate
For：136mm×68.8mm×1mm.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, the first radiation branch position
In frontal left position, the second radiation bending branch is located at tip position, and the 3rd radiation bending branch is folded to the back of the body positioned at front
The position in face.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, in addition to：Invest hand
The layer of metal floor of the lower surface of machine substrate, invests the lower surface of mobile phone substrate and for the trapezoidal clearance zone of impedance matching
Domain.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, the first PIN diode,
Second PIN diode, the 3rd PIN diode, the 4th PIN diode are HSMP-3860PIN diodes.
A kind of foregoing nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, HSMP-3860PIN bis-
Pole pipe is equivalent to a 1.5ohm resistance in forward conduction, when adding reverse bias voltage equivalent to 0.2pf electric capacity.
It is of the present utility model to be beneficial in that：The utility model provides a kind of suitable for LTE＆WWAN mobile subscriber terminals
Nine frequency range reconfigurable antennas, the utility model is distributed on antenna radiation unit wattles by 4 PIN diodes, is led to
The bias state for changing 4 PIN diodes is crossed, makes each branch electric current redistribution of its radiating element, joins antenna electric performance
Number changes, complex compared to conventional structure and cover the less antenna of frequency range, and this Antenna Construction Design is simple simultaneously
The requirement of Global coverage is met, covering LTE700/2300/2500, GSM850/900/1800/1900, UMTS and WLAN is realized
Nine frequency ranges covering.In utility model covering frequency range, each covering frequency range has preferable gain and radiation efficiency, meets
Nowadays the performance requirement of wireless communication system.The size of the antenna is only 40mm × 8mm × 5mm, and size is smaller, solves mobile phone
The problem of internal reservation is to Antenna Design insufficient space.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present utility model；
Fig. 2 is a kind of expanded schematic diagram of embodiment of radiating element of the present utility model；
Fig. 3 is a kind of structural representation of embodiment of the utility model mobile phone base lower surface；
Fig. 4 is S parameter of the antenna in table 1 under state 1 and 2；
Fig. 5 is S parameter of the antenna in table 1 under state 3 and 4；
Fig. 6 is the directional diagram at 0.77GHz, 1.75GHz and 2.45GHz frequency that antenna is tested in xoz planes；
Fig. 7 is the directional diagram at 0.77GHz, 1.75GHz and 2.45GHz frequency that antenna is tested in yoz planes；
Fig. 8 is antenna gain and radiation efficiency figure；
The implication of reference in figure：
1 first radiation branch, 2 second radiation bending branches, 3 the 3rd radiation bending branches, 4 first PIN diodes, 5 the
Two PIN diodes, 6 the 3rd PIN diodes, 7 the 4th PIN diodes, 8 trapezoidal empty regions, 9 metal floors.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, radiating element, embedded radiation is single
PIN diode component in member, the fixture of fixed radiating element and PIN diode component, the mobile phone substrate of fixed fixture；
Radiating element composition has：First radiation branch 1, the second radiation bending branch 2, the 3rd radiation bending branch 3；PIN diode group
Part composition has：Second in the first PIN diode 4 in the second radiation bending branch 2, embedded 3rd radiation bending paper slip
PIN diode 5, the 3rd PIN diode 6, the 4th PIN diode 7.As a preferred embodiment, the first radiation branch 1 is located at a front left side
Side position, the second radiation bending branch 2 is located at tip position, and the 3rd radiation bending branch 3 is located at the position that front is folded to the back side
Put.
As a preferred embodiment, fixture is the cube of FR4 materials；The volume of fixture is：40mm×8mm×5mm.Hand
Machine substrate is the substrate of FR4 materials；The volume of mobile phone substrate is：136mm×68.8mm×1mm.Radiating element and 4 PIN bis-
Pole pipe is close on cube, and the volume that mobile phone substrate is set to 136mm × 68.8mm × 1mm meets 5 inches of mainstream size
On mobile phone substrate；It is that loss tangent is 0.02 because the relative dielectric constant of FR4 materials is 4.4 from FR4 materials.
Nine frequency range reconfigurable antennas, in addition to：The layer of metal floor 9 of the lower surface of mobile phone substrate is invested, mobile phone is invested
The lower surface of substrate and the trapezoidal empty regions 8 for being used for impedance matching.As a preferred embodiment, metal floor 9 is thin layer copper sheet, ladder
Shape empty regions 8 are the region of non-cohesive thin layer copper sheet, in order to have preferable impedance bandwidth in whole LTE/WWAN, so the ladder
Shape empty regions 8 have the effect of impedance matching.
First PIN diode 4, the second PIN diode 5, the 3rd PIN diode 6, the 4th PIN diode 7 are HSMP-
3860PIN diodes.HSMP-3860PIN diodes are equivalent to a 1.5ohm resistance in forward conduction, are adding reverse bias
Equivalent to a 0.2pf electric capacity during voltage.As shown in table 1 below is that PIN diode is operated in antenna institute under different working condition
The working frequency range of covering, by combining the bias state of 4 PIN diodes, changes the distribution of antenna current, so as to obtain fitting
The frequency range reconfigurable antennas of LTE/WWAN nine communicated for global roaming.
Table 1
For the effect that further description the utility model is brought, illustrated with reference to Fig. 4-8 with table 1；
As Fig. 4,5 are operated in the S parameter curve under 1,2 states and under 3,4 states for the utility model antenna PIN diode
Figure, the utility model can cover LTE700/2300/2500, GSM850/900/1800/1900, UMTS well as seen from the figure
And WLAN frequency ranges, meet the requirement of global system for mobile communications covering.
As Fig. 6,7 be the utility model antenna 0.77GHz, 1.75GHz for being tested in xoz and yoz planes and
Directional diagram at 2.45GHz frequencies, test shows that this antenna has good directionality performance.
As Fig. 8 be antenna gain and radiation efficiency figure, at low-frequency range (698-960MHz), antenna measurement gain from-
1.2dBi rises to 1.9dBi radiation efficiencies more than 37%, at high band (1710-2690MHz), antenna measurement gain from-
0.83dBi is changed to 2.66dBi, and radiation efficiency, more than 50%, meets the requirement of modern communicationses simultaneously.
The utility model provides a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, this practicality
It is new to be distributed in by 4 PIN diodes on antenna radiation unit wattles, by the biasing shape for changing 4 PIN diodes
State, makes each branch electric current redistribution of its radiating element, antenna electric performance parameter is changed, compared to conventional structure compared with
The less antenna of frequency range is covered for complexity, this Antenna Construction Design simply meets the requirement of Global coverage, realizes covering simultaneously
LTE700/2300/2500, GSM850/900/1800/1900, UMTS and WLAN nine frequency ranges covering.The utility model is covered
In frequency range, each covering frequency range has preferable gain and radiation efficiency, meets the performance requirement of nowadays wireless communication system.
The size of the antenna is only 40mm × 8mm × 5mm, and size is smaller, solves interior of mobile phone and keeps for Antenna Design insufficient space
The problem of.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within protection domain of the present utility model.
Claims (9)
1. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals, it is characterised in that radiating element, embedding
Enter the PIN diode component in above-mentioned radiating element, the fixture of fixed above-mentioned radiating element and PIN diode component is fixed
The mobile phone substrate of above-mentioned fixing piece；Above-mentioned radiating element composition has：First radiation branch, the second radiation bending branch, the 3rd spoke
Penetrate bending branch；Above-mentioned PIN diode component composition has：The first PIN diode in the second radiation bending branch, it is embedded
The second PIN diode, the 3rd PIN diode, the 4th PIN diode in 3rd radiation bending paper slip.
2. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 1, its
It is characterised by, above-mentioned fixing piece is the cube of FR4 materials.
3. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 2, its
It is characterised by, the volume of above-mentioned fixing piece is：40mm×8mm×5mm.
4. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 1, its
It is characterised by, above-mentioned mobile phone substrate is the substrate of FR4 materials.
5. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 4, its
It is characterised by, the volume of above-mentioned mobile phone substrate is：136mm×68.8mm×1mm.
6. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 1, its
It is characterised by, above-mentioned first radiation branch is located at frontal left position, the second radiation bending branch is located at tip position, the 3rd spoke
Penetrate bending branch and be located at the position that front is folded to the back side.
7. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 1, its
It is characterised by, in addition to：The layer of metal floor of the lower surface of mobile phone substrate is invested, the lower surface of mobile phone substrate is invested and is used for
The trapezoidal empty regions of impedance matching.
8. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 1, its
It is characterised by, above-mentioned first PIN diode, the second PIN diode, the 3rd PIN diode, the 4th PIN diode is HSMP-
3860 PIN diodes.
9. a kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals according to claim 8, its
It is characterised by, above-mentioned HSMP-3860 PIN diodes are equivalent to a 1.5ohm resistance in forward conduction, are adding reverse bias
Equivalent to a 0.2pf electric capacity during voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424906.7U CN206471485U (en) | 2016-12-23 | 2016-12-23 | A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424906.7U CN206471485U (en) | 2016-12-23 | 2016-12-23 | A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471485U true CN206471485U (en) | 2017-09-05 |
Family
ID=59711591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424906.7U Expired - Fee Related CN206471485U (en) | 2016-12-23 | 2016-12-23 | A kind of nine frequency range reconfigurable antennas suitable for LTE＆WWAN mobile subscriber terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471485U (en) |
-
2016
- 2016-12-23 CN CN201621424906.7U patent/CN206471485U/en not_active Expired - Fee Related
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| 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: 20170905 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |