CN104852147A - Miniaturized extra wide frequency band terminal antenna and mobile phone - Google Patents
Miniaturized extra wide frequency band terminal antenna and mobile phone Download PDFInfo
- Publication number
- CN104852147A CN104852147A CN201510179705.9A CN201510179705A CN104852147A CN 104852147 A CN104852147 A CN 104852147A CN 201510179705 A CN201510179705 A CN 201510179705A CN 104852147 A CN104852147 A CN 104852147A
- Authority
- CN
- China
- Prior art keywords
- metal sheet
- rectangular metal
- miniaturized
- frequency band
- antenna
- 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.)
- Pending
Links
Landscapes
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a miniaturized extra wide frequency band terminal antenna and a mobile phone. The antenna comprises a dielectric slab, a grounding rectangular sheet metal printed on a side of the dielectric slab, and a feed tape, a short circuit tape, and a lumped inductor on the other side of the dielectric slab. Through coupled feeding between the feed tape loaded with the lumped inductor and the bended and folded short circuit tape, under the condition of two to one (S11< -10 dB) of standing-wave ratio, the antenna realizes two very large bandwidths, so as to cover twelve frequency bands of DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/5.2/5.8/WiMAX2.5/3.5/5.5. Compared with the prior art, the terminal antenna covers global common 2G/3G/4G communication frequency bands and all WLAN/ WiMAX wireless communication frequency bands. The terminal antenna is suitable to be widely popularized and applied in the technical field of miniaturized wide frequency band terminal antennas.
Description
Technical field
The invention belongs to antenna technical field, be specifically related to a kind of miniaturized ultratvide frequency band terminal antenna and mobile phone.
Background technology
Antenna is as communication terminal equipment, the multiple band operation requirement of demand fulfillment, such as DCS1800(1710 ~ 1880 MHz), PCS1900(1850 ~ 1990MHz), UMTS2100(1920 ~ 2170 MHz), LTE2300(2305 ~ 2400 MHz), LTE2500(2500 ~ 2690 MHz), Bluetooth(2400 ~ 2500 MHz), but along with developing rapidly of Modern wireless communication technology, WLAN (wireless local area network) WLAN(Wireless Local Area Networks) and worldwide interoperability for microwave access WiMAX(Worldwide Interoperability for Microwave Access) covering of frequency range also becomes new demand.The advantage of WLAN is its flexibility and mobility, and shortcoming is that coverage is little, and user is mobile fast will cause Quality Down; The advantage of WiMAX is that coverage is large, meets the user's request of high-speed mobile.If WLAN and WiMAX is combined, the advantage that the two is respective can be obtained, make up respective shortcoming.Therefore, study the wireless communication system that simultaneously can be operated in WLAN and WiMAX frequency range and there is practical significance.Current WLAN operates mainly in 2.4GHz(2.4 ~ 2.484GHz), 5.2GHz(5.15 ~ 5.35GHz) and 5.8GHz(5.725 ~ 5.825GHz), and WiMAX is operated in 2.5GHz(2.4 ~ 2.69GHz), 3.5GHz(3.3 ~ 3.7 GHz) and 5.5GHz(5.25 ~ 5.85GHz).
Along with the arrival in 4G epoch and the commercialization of LTE, consumer is also more and more harsher to the demand of mobile terminal, miniaturized, personalized, ultra-thin, multifrequency, the design requirement such as multi-functional are vigorous, and strong coupling between multiple antenna, can be produced, thus reduction communication quality, this just brings difficulty to Antenna Design.Be 2:1(S11<-10dB in standing-wave ratio) condition under, seldom have antenna while covering above DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 12 frequency ranges completely, the planar dimension of antenna can be accomplished to be less than 120mm
2.Antenna for mobile phone in such as number of patent application CN201410193510.5 is at 60 × 8mm
2plane space in achieve the covering of 8 mobile phone frequency ranges; Miniature antenna in number of patent application CN201420282378.0 covers WLAN/WiMAX many frequency bands.Therefore, design miniaturization, focus and difficult point that low cost, easily processing and the terminal antenna of integrated 2G/3G/4G and WLAN/WiMAX frequency range also become current antenna research work.
Summary of the invention
The object of the invention is to overcome existing antenna technology corresponding frequency band few, the defect that volume is larger, aim to provide a kind of miniaturized ultratvide frequency band terminal antenna and mobile phone, easy to process, cost savings.
The present invention is solved mainly through following proposal: propose a kind of miniaturized ultratvide frequency band terminal antenna, it comprises dielectric-slab, ground connection rectangular metal sheet, feed strip, short circuit band and lumped inductance; Described ground connection rectangular metal sheet is printed on the side of dielectric-slab, described feed strip, and short circuit band and lumped inductance fit in the opposite side of dielectric-slab; Described feed strip includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet, the second rectangular metal sheet, the 3rd rectangular metal sheet and the C shape radiating element be made up of the 4th rectangular metal sheet be connected successively, lumped inductance, the 5th rectangular metal sheet, the 6th rectangular metal sheet; Described short circuit band comprises the 7th rectangular metal sheet, the 8th rectangular metal sheet, the 9th rectangular metal sheet, the tenth rectangular metal sheet, the 11 rectangular metal sheet, the 12 rectangular metal sheet that are connected successively; Described diversity antenna comprises the 11 rectangular metal sheet connected vertically, the 12 upright rectangular metal sheet mutually; The 11 described rectangular metal sheet respectively the tenth rectangular metal sheet and the 12 rectangular metal sheet intersects vertically; Meanwhile, the 12 rectangular metal sheet is parallel to the plane at dielectric-slab place.
Described lumped inductance connects the end of the 4th rectangular metal sheet and the initiating terminal of the 5th rectangular metal sheet respectively.
Described terminal antenna is 2:1(S11<-10dB in standing-wave ratio) condition under, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges.
The initiating terminal of the first described rectangular metal sheet is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet is directly connected with the ground connection rectangular metal sheet short circuit of dielectric-slab opposite side by via hole.
The vertical height of described 11 rectangular metal sheet is 3 ~ 5mm.
Gap width between described feed strip and short circuit band is 0.3 ~ 1mm.
Described lumped inductance value is 10 ~ 15nH.
The size of dielectric-slab of the present invention, ground connection rectangular metal sheet, feed strip and short circuit band and lumped inductance value are all to carry out adjusting depending on concrete applied environment and to obtain optimal value.
A kind of mobile phone adopting described antenna.
Compared with prior art, the invention has the beneficial effects as follows, on the one hand, be 2:1(S11<-10dB in standing-wave ratio) condition under, antenna achieves two very large bandwidth, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges, the conventional 2G/3G/4G communication frequency band in the whole world and all WLAN/ WiMAX wireless communication frequency bands can be operated in, convenient international roam and remote wireless communication; On the other hand, antenna structure is simple, convenient debugging, and its planar dimension is only 10mm × 12mm, highly integrated, reduces the space shared by antenna greatly, is adapted at miniaturization broadband terminal antenna technical field wide popularization and application.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described;
Fig. 1 is the structural representation of a kind of miniaturized ultratvide frequency band terminal antenna of the present invention;
Fig. 2 is the partial structurtes schematic diagram of antenna of the present invention;
Fig. 3 is S11 performance parameter curve of the present invention;
In figure, 1, dielectric-slab, 2, ground connection rectangular metal sheet, 3, feed strip, 4, short circuit band, 5, lumped inductance, 31, the first rectangular metal sheet, the 32, second rectangular metal sheet, the 33, the 3rd rectangular metal sheet, 34, the 4th rectangular metal sheet, the 35, the 5th rectangular metal sheet, the 36, the 6th rectangular metal sheet, 41, the 7th rectangular metal sheet, the 42, the 8th rectangular metal sheet, the 43, the 9th rectangular metal sheet, 44, the tenth rectangular metal sheet, the 45, the 11 rectangular metal sheet, the 46, the 12 rectangular metal sheet.
Embodiment
Below by specific embodiment, also the present invention is described in further detail by reference to the accompanying drawings.
Embodiment
A kind of miniaturized ultratvide frequency band terminal antenna, as shown in Figure 1, terminal antenna comprises dielectric-slab 1, ground connection rectangular metal sheet 2, feed strip 3, short circuit band 4 and lumped inductance 5; Ground connection rectangular metal sheet 2 is printed on the side of dielectric-slab 1, feed strip 3, and short circuit band 4 and lumped inductance 5 fit in the opposite side of dielectric-slab 1.In Fig. 2, described feed strip 3 includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet 31, second rectangular metal sheet 32, the 3rd rectangular metal sheet 33 and the C shape radiating element be made up of the 4th rectangular metal sheet 34 be connected successively, lumped inductance 5, the 5th rectangular metal sheet 35, the 6th rectangular metal sheet 36; Short circuit band 4 comprises the 7th rectangular metal sheet 41, the 8th rectangular metal sheet 42, the 9th rectangular metal sheet 43, the tenth rectangular metal sheet the 44, the 11 rectangular metal sheet the 45, the 12 rectangular metal sheet 46 that are connected successively; 11 rectangular metal sheet 45 respectively the tenth rectangular metal sheet the 44 and the 12 rectangular metal sheet 46 intersects vertically; Meanwhile, the 12 rectangular metal sheet 46 is parallel to the plane at dielectric-slab 1 place.Lumped inductance 5 connects the end of the 4th rectangular metal sheet 34 and the initiating terminal of the 5th rectangular metal sheet 35 respectively.
The initiating terminal of the first rectangular metal sheet 31 is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet 41 is directly connected with ground connection rectangular metal sheet 2 short circuit of dielectric-slab 1 opposite side by via hole.
Wherein, the vertical height of the 11 rectangular metal sheet 45 is 3mm, gap spacing between first rectangular metal sheet 31 and the 7th rectangular metal sheet 41 is 0.5mm, gap spacing between 3rd rectangular metal sheet 33 and the 9th rectangular metal sheet 43 is 1mm, and the gap spacing between the 4th rectangular metal sheet 34 and the tenth rectangular metal sheet 44 is 0.3mm.Meanwhile, lumped inductance value elects 12nH as.
When not loading lamped element, feed strip can produce the resonant mode of 2.8GHz and 5.5GHz, then add and the capacitively coupled bending short circuit band of feed strip, a complete couple feed antenna structure is defined with feed strip, wherein preferably the spacing of short circuit band and feed strip is 0.3mm, the capacitive because feed strip contraction in length produces can be made up, improve the impedance matching of antenna in low-frequency range, next, a lumped inductance is loaded in the optimum position of feed strip, increase the bandwidth of low frequency and high frequency, optimize high band and low-frequency range impedance matching, achieve the bandwidth of operation of ultra-wide.
This terminal antenna and dielectric-slab, ground connection rectangular metal sheet together form a complete radiating system, as Fig. 3, be 2:1(S11<-10dB in standing-wave ratio) condition under, achieve two and be respectively 1661 ~ 4254MHz and the ultratvide frequency band much larger than 4929 ~ 6000MH, thus cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges, the conventional 2G/3G/4G communication frequency band in the whole world and all WLAN/ WiMAX wireless communication frequency bands can be operated in, convenient international roam and remote wireless communication.Meanwhile, antenna structure is simple, convenient debugging, and its planar dimension is only 10mm × 12mm, reduces the space shared by antenna greatly, is adapted at miniaturization broadband terminal antenna technical field wide popularization and application, has very large market value.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. a miniaturized ultratvide frequency band terminal antenna, is characterized in that, it comprises dielectric-slab (1), ground connection rectangular metal sheet (2), feed strip (3), short circuit band (4) and lumped inductance (5); Described ground connection rectangular metal sheet (2) is printed on the side of dielectric-slab (1), described feed strip (3), and short circuit band (4) and lumped inductance (5) fit in the opposite side of dielectric-slab (1); Described feed strip (3) includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet (31), the second rectangular metal sheet (32), the 3rd rectangular metal sheet (33) and the C shape radiating element be made up of the 4th rectangular metal sheet (34) be connected successively, lumped inductance (5), the 5th rectangular metal sheet (35), the 6th rectangular metal sheet (36); Described short circuit band (4) comprises vertical the 7th rectangular metal sheet (41), the 8th rectangular metal sheet (42), the 9th rectangular metal sheet (43), the tenth rectangular metal sheet (44), the 11 rectangular metal sheet (45), the 12 rectangular metal sheet (46) be connected successively; The 11 described rectangular metal sheet (45) respectively the tenth rectangular metal sheet (44) and the 12 rectangular metal sheet (46) intersects vertically; 12 rectangular metal sheet (46) is parallel to the plane at dielectric-slab (1) place.
2. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, is characterized in that, described lumped inductance (5) connects the end of the 4th rectangular metal sheet (34) and the initiating terminal of the 5th rectangular metal sheet (35) respectively.
3. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, it is characterized in that, described terminal antenna is 2:1 in standing-wave ratio, S11<-10dB, condition under, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges.
4. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, the described initiating terminal of the first rectangular metal sheet (31) is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet (41) is directly connected with ground connection rectangular metal sheet (2) short circuit of dielectric-slab (1) opposite side by via hole.
5. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, is characterized in that, the vertical height of described 11 rectangular metal sheet (45) is 3 ~ 5mm.
6. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, the gap width between described feed strip (3) and short circuit band (4) is 0.3 ~ 1mm.
7. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, described lumped inductance (5) value is 10 ~ 15nH.
8. one kind adopts the mobile phone of the antenna according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179705.9A CN104852147A (en) | 2015-04-16 | 2015-04-16 | Miniaturized extra wide frequency band terminal antenna and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179705.9A CN104852147A (en) | 2015-04-16 | 2015-04-16 | Miniaturized extra wide frequency band terminal antenna and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104852147A true CN104852147A (en) | 2015-08-19 |
Family
ID=53851605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510179705.9A Pending CN104852147A (en) | 2015-04-16 | 2015-04-16 | Miniaturized extra wide frequency band terminal antenna and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104852147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024092397A1 (en) * | 2022-10-31 | 2024-05-10 | Goertek Inc. | Antenna assembly and device provided with the antenna assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN103985956A (en) * | 2014-04-29 | 2014-08-13 | 中国计量学院 | T shape surrounding type multi-frequency mobile phone antenna |
| CN204179226U (en) * | 2014-11-21 | 2015-02-25 | 中国计量学院 | A kind of seven frequency range multiple-input and multiple-output antenna for mobile phone based on magnetic dielectric material |
| CN204516902U (en) * | 2015-04-16 | 2015-07-29 | 中国计量学院 | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone |
-
2015
- 2015-04-16 CN CN201510179705.9A patent/CN104852147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN103985956A (en) * | 2014-04-29 | 2014-08-13 | 中国计量学院 | T shape surrounding type multi-frequency mobile phone antenna |
| CN204179226U (en) * | 2014-11-21 | 2015-02-25 | 中国计量学院 | A kind of seven frequency range multiple-input and multiple-output antenna for mobile phone based on magnetic dielectric material |
| CN204516902U (en) * | 2015-04-16 | 2015-07-29 | 中国计量学院 | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone |
Non-Patent Citations (5)
| Title |
|---|
| YONG-LING BAN ETC.: ""Low-Profile Printed Octa-Band LTE/WWAN Mobile Phone Antenna Using Embedded Parallel Resonant Structure"", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| YONG-LING BAN ETC.: ""Small-Size Coupled-Fed Antenna With Two Printed Distributed Inductors for Seven-Band WWAN/LTE Mobile Handset"", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| YONG-LING BAN ETC.: ""Small-Size Multiresonant Octaband Antenna for LTE/WWAN Smartphone Applications"", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| YONG-LING BAN ETC.: ""Small-Size Wideband Monopole With Distributed Inductive Strip for Seven-Band WWAN/LTE Mobile Phone"", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| YUN-WEN CHI ETC.: ""Quarter-Wavelength Printed Loop Antenna With an Internal Printed Matching Circuit for GSM/DCS/PCS/UMTS Operation in the Mobile Phone"", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024092397A1 (en) * | 2022-10-31 | 2024-05-10 | Goertek Inc. | Antenna assembly and device provided with the antenna assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103199339B (en) | Reactance loaded dual-band antenna | |
| CN104617379A (en) | Antenna structure | |
| CN102110892B (en) | Low-standing-wave ratio and ultra-wide band planar slot antenna | |
| CN103199342B (en) | Plane printed antenna for mobile terminal considering clearance zone area and multi-frequency-band covering | |
| CN105140649B (en) | A kind of multifrequency antenna | |
| CN107968256B (en) | Small-size multifunctional antenna | |
| CN103985957B (en) | A kind of broadband multi-band built-in mobile phone antenna | |
| CN201789074U (en) | Indoor coverage patch antenna with low profile for mobile communication | |
| CN105490035B (en) | A kind of coplanar directional aerial of low section GSM, LTE | |
| CN108365334B (en) | Multi-band antenna based on microstrip line proximity coupling feed | |
| CN104638357B (en) | A kind of sub- plane antenna for mobile phone of multiple frequency broad band circular monopole | |
| CN104716441A (en) | Multi-band antenna and mobile terminal | |
| CN205376776U (en) | Low section GSM, LTE coplane directional aerial | |
| US8797215B2 (en) | Wire antenna | |
| CN105552536A (en) | Monopole dual-band WLAN/WiMAX antenna | |
| CN101505000A (en) | Multi-frequency band antenna and wireless communication terminal using the same | |
| CN202817178U (en) | Dual-frequency monopole antenna and its mobile terminal | |
| CN209658395U (en) | A kind of ten frequency range antenna for mobile phone of miniature ultra wide band | |
| CN101964451A (en) | Low-section mobile communication indoor cover patch antenna | |
| CN104681946A (en) | Novel multi-band planar inverted-F mobile phone antenna | |
| CN204516902U (en) | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone | |
| CN102969567A (en) | Communication device and method for increasing antenna operation bandwidth | |
| CN107658557B (en) | Miniaturized three-dimensional multifrequency microstrip antenna | |
| CN107681257B (en) | Miniaturized three-resonance antenna | |
| CN105024164A (en) | UWB (ultra wide band) antenna based on U-shaped groove and L-shaped parasitic strips |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
|
| RJ01 | Rejection of invention patent application after publication |