CN106602221A - Novel LTE/WWAN antenna - Google Patents
Novel LTE/WWAN antenna Download PDFInfo
- Publication number
- CN106602221A CN106602221A CN201611145748.6A CN201611145748A CN106602221A CN 106602221 A CN106602221 A CN 106602221A CN 201611145748 A CN201611145748 A CN 201611145748A CN 106602221 A CN106602221 A CN 106602221A
- Authority
- CN
- China
- Prior art keywords
- antenna
- sar
- new lte
- antennas according
- drop
- 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
- 238000002955 isolation Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
Abstract
The invention provides a novel LTE/WWAN antenna, including antenna wiring. The antenna wiring includes a feed branch connected with a feed point and a grounding branch connected with a grounding point, and also includes a tuning circuit and an SAR reducing device which are arranged on the antenna route in a fusion manner, one end of the grounding branch, which is close to the grounding point, is connected with the tuning circuit in series and/or is connected with an SAR reducing device circuit in parallel. The novel LTE/WWAN antenna provided by the invention integrates the tuning circuit and the SAR reducing device in an antenna wiring structure, and can support antenna tuning and reduce the SAR without considering additionally increasing the circuit of a board end. The layout workload of the board end is reduced, connection cables are reduced, the antenna is more integrated, the installation is simple, the bandwidth can be broadened, radiation of the antenna to a human body can also be reduced, and the novel LTE/WWAN antenna has a broad application foundation in practical engineering.
Description
Technical field
The present invention relates to wireless communication field, more particularly, to new LTE/WWAN antennas.
Background technology
The continuous improvement of fast development and computer utility performance along with communication technology, the informationization of social economy are entered
Journey is gradually accelerated, and especially of new generation communication technology 4G comes into operation so that various mobile terminals such as notebook, mobile phone etc. set
It is standby to start to increase more communications bands.For mobile terminal, support that full frequency band becomes the attraction of bright eye, but for antenna sets
For meter engineer, frequency range is continuously increased the difficulty for directly increasing Antenna Design.On the other hand, in recent years the public for spoke
Penetrate safety problem growing interest, although the energy that the Wireless Telecom Equipment such as mobile phone, notebook is launched in normal work is very low, but
It is that these handheld devices are very near apart from tissue in normal work, induction field in human body, will be produced.Industry is introduced
Biological dose specific absorption rate（SAR）To characterize influence degree of the electromagnetic radiation to human body.In actual applications, SAR is a survey
Value, unit are W/kg.SAR value represents that the heat energy of mobile communication terminal can be known from experience on people and causes how many impacts, and numerical value is bigger, table
Show that the impact to human body is bigger；Otherwise then affect less.Therefore, how to reduce antenna SAR value operationally is Antenna Design
Another difficult problem that engineer faces.
In prior art, when needing to increase communications band, then need to increase tuning circuit at mainboard end, need to reduce electromagnetism
During the impact of Radiation On Human body, then need to increase drop SAR devices at mainboard end, so as to increased the pressure at mainboard end, and for
Different types of electronic equipment, its size and bearing requirements to mainboard end are higher, and the increase of module causes motherboard size to become big,
Then so that equipment overall dimensions become big and are difficult to meet market demands.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide and a kind of tuning circuit and drop SAR devices is incorporated day
Line cabling, the new LTE/WWAN antennas for reducing plate end pressure.
To solve above-mentioned technical problem, the technical scheme that the present invention is provided is：A kind of new LTE/WWAN antennas, including
Antenna cabling, the antenna cabling include the ground connection branch of the feed branch for connecting distributing point and connection earth point, also including melting
Enter to be arranged at the tuning circuit and drop SAR devices on antenna cabling, one end series tuning of the ground connection branch near earth point
Circuit and/or drop SAR devices in parallel.
The antenna structure makes full use of the structural environment of antenna itself so that tuning circuit and drop SAR devices are walked with antenna
Line fusion is integral.On the one hand widen the bandwidth of antenna so that antenna becomes active antenna, can switch according to application scenarios
Frequency range, on the other hand can reduce the radiation of antenna pair human body, reduce the harm to human body.For electronic equipment, can be without
Consider the extra circuit for increasing plate end to support antenna tuning and drop SAR.The layout workloads at plate end are reduced, is decreased
Connection cable, meanwhile, antenna has more integration, installs also simple.
Preferably, the Xia Di branches at least one.The tuning circuit and drop SAR devices of application incorporate the side of antenna cabling
Case can be used for the antenna structure of one or more ground connection branches, strong applicability, effect is significant.
Preferably, the tuning circuit and drop SAR devices are arranged at same ground connection branch or different ground connection branches.Tuning electricity
Road can be arranged at same ground connection branch or different ground connection branches, reduction according to the design alternative of antenna cabling with drop SAR devices
Design difficulty so that spatial distribution is more reasonable.
Preferably, the tuning circuit and drop SAR devices are arranged in parallel.When tuning circuit and drop SAR devices are arranged at together
During one ground connection branch, the double effectses widened frequency band and reduce radiation effect only by being arranged in parallel, need to be met.
Preferably, the drop SAR devices also concatenate lamped element.Drop impact of the SAR devices to antenna is reduced with big degree.
Preferably, the lamped element is inductance.
Preferably, drop SAR devices Xia Di branches in parallel are serially connected with isolation capacitance.Ensure drop SAR device circuits
Normal work.
Preferably, the tuning circuit includes tuning chip and control circuit.
Preferably, the drop SAR devices include sensing part, induction chip and its control circuit.
Preferably, the antenna cabling is formed by PCB, FPC or LDS technique.
The present invention LTE/WWAN antenna structures, it is most crucial where be by tuning circuit and drop SAR devices be fused to day
In line part, integral antenna structure is formed.Tuning circuit and drop SAR devices may be located at same ground connection branch, it is also possible to position
In different ground connection branches.Tuning circuit is serially connected with ground connection branch side closely, and drop SAR devices are connected to ground connection branch one
Side, and connect drop SAR devices Xia Di branches need to concatenate isolation capacitance element, ensure drop SAR device circuits normal work, need
It is to be noted that in order to big degree to the greatest extent reduces drop impact of the SAR devices to antenna, and connect the side of drop SAR devices and need to concatenate lump unit
Part inductance.And the tuning circuit in the LTE/WWAN antenna structures of the present invention and drop SAR devices part, it is also possible to according to different
Application scenario selects tuning part therein or drop SAR device circuit part to merge with antenna element flexibly using.
Compared with prior art, the invention has the advantages that：
The present invention provides a kind of new LTE/WWAN antennas, and tuning circuit is incorporated into antenna cabling with drop SAR device circuits
In structure, antenna tuning and drop SAR can be supported without considering the extra circuit for increasing plate end.Reduce the layout at plate end
Workload, decreases connection cable, and antenna has more integration, can broadened bandwidth, can also reduce the spoke of antenna pair human body
Penetrate, basis is widely used in Practical Project.
Description of the drawings
Fig. 1 is 1 structural representation of the embodiment of the present invention.
Return loss plots of the Fig. 2 for the embodiment of the present invention 1.
Fig. 3 is 2 structural representation of the embodiment of the present invention.
Wherein, 101 is distributing point, and 102 is the second earth point, and 103 is the first ground connection branch, and 104 is the second ground connection branch,
105 is isolation capacitance, and 106 is lamped element, and 107 is tuning circuit, and 108 are drop SAR devices, and G is earth point, and S is distributing point.
Specific embodiment
For the ease of it will be appreciated by those skilled in the art that carrying out further to the present invention below in conjunction with accompanying drawing and embodiment
Describe in detail.
Embodiment 1
As shown in figure 1, a kind of new LTE/WWAN antennas, including antenna cabling and mainboard end match circuit, antenna cabling bag
Distributing point 101 and earth point G, the lying copper region domain at earth point connection mainboard end or the metal part of board itself are included, is also included
The feed branch of connection distributing point, connection earth point ground connection branch, the quantity that Xia Di branches are arranged is according to actual debugging demand
Judge, the present embodiment arranges two ground connection branches, that is, the first ground connection branch 103 and connection second for connecting the first earth point is grounded
Second ground connection branch 104 of point 102, concatenates 105 He of isolation capacitance at the second earth point 102 in the second ground connection branch 104
Tuning circuit 107, the desirable 10～40pF of capacitance of isolation capacitance, the present embodiment are set to 20pF, while the second ground connection branch
104 branch roads that 108 concatenation of lamped element inductance 106 and drop SAR devices is also parallel near the end of the second earth point, inductance value
For 70～100 nH, the present embodiment is set to 82nH.
Wherein, tuning circuit is arranged in series with ground connection branch, mainly includes tuning chip and control circuit.Tuning chip master
To be there is provided by RFMD, ON Semiconductor, CK and Skyworks chip producer, according to different application scenarios, be selected
Corresponding chip and control circuit.
Drop SAR device circuit parts, branch is arranged in parallel with ground connection, main to include sensing part and induction chip and its control
Circuit processed.According to different application scenarios and requirement, induction chip and control circuit are provided by corresponding chip producer.
As shown in Fig. 2 the return loss plot of the specific embodiment for the present invention, it can be seen that the antenna is low
Frequency part switches 4 states, covers 698～960MHz by tuning device, and HFS covers 1410～6000MHz,
Japanese APJ frequency ranges, LTE Band 42 and 5G parts are covered, be disclosure satisfy that the full frequency band of current operator is covered and required have
It is widely applied basis.
Sensor chips are the core for dropping SAR devices, and the chip and test DEMO plates of this test is by producer
SEMTECH is provided, and from the point of view of the data of test, the Sensor distance of reaction of the antenna is 15mm, can meet test request.
Embodiment 2
As shown in figure 3, the present embodiment is as different from Example 1, tuning circuit 107 is connected with the first ground connection branch, drop SAR dresses
Put in parallel with the second ground connection branch, same is that isolation capacitance 105 is connected to the second ground connection branch 104, lump original paper inductance
It is serially connected with the parallel branch that drop SAR devices are located.Remaining structure is same as Example 1.
According to different enforcement occasions, two kinds of different embodiment antenna structures can selecting tuning circuit part 107
Implement with any one of SAR devices part 108 is dropped.
It is the wherein specific implementation of the present invention above, its description is more concrete and detailed, but therefore can not manage
Solution is the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, some deformations and improvement can also be made, these obvious alternative forms belong to this
Bright protection domain.
Claims (10)
1. a kind of new LTE/WWAN antennas, including antenna cabling, the antenna cabling include the feed point for connecting distributing point
Prop up and connect the ground connection branch of earth point, it is characterised in that：Also include incorporating the tuning circuit and drop being arranged on antenna cabling
SAR devices, one end series-tuned circuit and/or in parallel drop SAR device of the ground connection branch near earth point.
2. new LTE/WWAN antennas according to claim 1, it is characterised in that：The Xia Di branches at least one.
3. new LTE/WWAN antennas according to claim 2, it is characterised in that：The tuning circuit and drop SAR dresses
Install and be placed in same ground connection branch or different ground connection branches.
4. new LTE/WWAN antennas according to claim 1, it is characterised in that：The tuning circuit and drop SAR dresses
Put and be arranged in parallel.
5. new LTE/WWAN antennas according to claim 1, it is characterised in that：The drop SAR devices also concatenate collection
Total element.
6. new LTE/WWAN antennas according to claim 5, it is characterised in that：The lamped element is inductance.
7. new LTE/WWAN antennas according to claim 1, it is characterised in that：Under the drop SAR devices parallel connection
Ground branch is serially connected with isolation capacitance.
8. new LTE/WWAN antennas according to claim 1, it is characterised in that：The tuning circuit includes tuning core
Piece and control circuit.
9. new LTE/WWAN antennas according to claim 1, it is characterised in that：The drop SAR devices include sensing
Part, induction chip and its control circuit.
10. new LTE/WWAN antennas according to claim 1, it is characterised in that：The antenna cabling by PCB,
FPC or LDS techniques are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145748.6A CN106602221A (en) | 2016-12-13 | 2016-12-13 | Novel LTE/WWAN antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145748.6A CN106602221A (en) | 2016-12-13 | 2016-12-13 | Novel LTE/WWAN antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106602221A true CN106602221A (en) | 2017-04-26 |
Family
ID=58802038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145748.6A Pending CN106602221A (en) | 2016-12-13 | 2016-12-13 | Novel LTE/WWAN antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602221A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039922A (en) * | 2017-12-26 | 2018-05-15 | 西安易朴通讯技术有限公司 | A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal |
| CN109088151A (en) * | 2018-07-04 | 2018-12-25 | 深圳市万普拉斯科技有限公司 | antenna system and mobile terminal |
| CN109273841A (en) * | 2018-09-17 | 2019-01-25 | 深圳传音通讯有限公司 | Antenna and terminal device |
| CN110289495A (en) * | 2019-06-29 | 2019-09-27 | 上海创功通讯技术有限公司 | Antenna assembly and electronic equipment |
| CN114243271A (en) * | 2021-12-15 | 2022-03-25 | 深圳市锐尔觅移动通信有限公司 | Antenna device, circuit board assembly and electronic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120146865A1 (en) * | 2009-11-13 | 2012-06-14 | Hitachi Metals, Ltd. | Frequency-variable antenna circuit, antenna device constituting it, and wireless communications apparatus comprising it |
| US20120164962A1 (en) * | 2010-12-28 | 2012-06-28 | Chi Mei Communication Systems, Inc. | Proximity sensor module and electronic device using same |
| WO2012117756A1 (en) * | 2011-03-02 | 2012-09-07 | 株式会社フジクラ | Antenna unit and planar wireless device |
| CN102883526A (en) * | 2011-07-14 | 2013-01-16 | 深圳光启高等理工研究院 | PCB (printed circuit board) of integrated antenna |
| US20130310106A1 (en) * | 2012-02-03 | 2013-11-21 | Huawei Device Co., Ltd. | Proximity detection device and mobile terminal |
| CN204029983U (en) * | 2014-08-15 | 2014-12-17 | 惠州硕贝德无线科技股份有限公司 | A kind of panel computer LTE antenna |
| CN105591192A (en) * | 2015-12-25 | 2016-05-18 | 惠州硕贝德无线科技股份有限公司 | Two-in-one SAR reduction antenna structure |
| WO2016122102A1 (en) * | 2015-01-30 | 2016-08-04 | 주식회사 아이티엠반도체 | Antenna module package and antenna module package circuit |
| CN206313121U (en) * | 2016-12-13 | 2017-07-07 | 惠州硕贝德无线科技股份有限公司 | A kind of new LTE/WWAN antennas |
-
2016
- 2016-12-13 CN CN201611145748.6A patent/CN106602221A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120146865A1 (en) * | 2009-11-13 | 2012-06-14 | Hitachi Metals, Ltd. | Frequency-variable antenna circuit, antenna device constituting it, and wireless communications apparatus comprising it |
| US20120164962A1 (en) * | 2010-12-28 | 2012-06-28 | Chi Mei Communication Systems, Inc. | Proximity sensor module and electronic device using same |
| WO2012117756A1 (en) * | 2011-03-02 | 2012-09-07 | 株式会社フジクラ | Antenna unit and planar wireless device |
| CN102883526A (en) * | 2011-07-14 | 2013-01-16 | 深圳光启高等理工研究院 | PCB (printed circuit board) of integrated antenna |
| US20130310106A1 (en) * | 2012-02-03 | 2013-11-21 | Huawei Device Co., Ltd. | Proximity detection device and mobile terminal |
| CN204029983U (en) * | 2014-08-15 | 2014-12-17 | 惠州硕贝德无线科技股份有限公司 | A kind of panel computer LTE antenna |
| WO2016122102A1 (en) * | 2015-01-30 | 2016-08-04 | 주식회사 아이티엠반도체 | Antenna module package and antenna module package circuit |
| CN105591192A (en) * | 2015-12-25 | 2016-05-18 | 惠州硕贝德无线科技股份有限公司 | Two-in-one SAR reduction antenna structure |
| CN206313121U (en) * | 2016-12-13 | 2017-07-07 | 惠州硕贝德无线科技股份有限公司 | A kind of new LTE/WWAN antennas |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039922A (en) * | 2017-12-26 | 2018-05-15 | 西安易朴通讯技术有限公司 | A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal |
| CN109088151A (en) * | 2018-07-04 | 2018-12-25 | 深圳市万普拉斯科技有限公司 | antenna system and mobile terminal |
| CN109088151B (en) * | 2018-07-04 | 2021-04-20 | 深圳市万普拉斯科技有限公司 | Antenna system and mobile terminal |
| CN109273841A (en) * | 2018-09-17 | 2019-01-25 | 深圳传音通讯有限公司 | Antenna and terminal device |
| CN110289495A (en) * | 2019-06-29 | 2019-09-27 | 上海创功通讯技术有限公司 | Antenna assembly and electronic equipment |
| CN110289495B (en) * | 2019-06-29 | 2021-11-12 | 上海创功通讯技术有限公司 | Antenna device and electronic apparatus |
| CN114243271A (en) * | 2021-12-15 | 2022-03-25 | 深圳市锐尔觅移动通信有限公司 | Antenna device, circuit board assembly and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106602221A (en) | Novel LTE/WWAN antenna | |
| CN105514624B (en) | A kind of mobile terminal antenna system and mobile terminal | |
| CN104681929B (en) | Antenna structure and wireless communication device with the antenna structure | |
| CN106887671A (en) | Mobile device | |
| CN106025509A (en) | Shell, antenna device and mobile terminal | |
| CN102570062B (en) | Antenna with built-in filter and electronic device having the same | |
| CN106549213A (en) | A kind of reconfigurable antenna device suitable for three-stage metal back cover | |
| CN104488077A (en) | Chip heat dissipation structure and terminal device | |
| CN103441330A (en) | Wireless communication equipment | |
| CN1937321A (en) | Connection structure between plurality of boards of portable terminal | |
| CN106654518A (en) | Terminal and manufacturing method therefor | |
| CN114284721A (en) | Antenna device and electronic equipment | |
| CN105428789B (en) | A kind of antenna and the electric terminal including the antenna | |
| CN103378406A (en) | Antenna module and radiation efficiency adjusting method thereof | |
| CN206313121U (en) | A kind of new LTE/WWAN antennas | |
| CN105591192A (en) | Two-in-one SAR reduction antenna structure | |
| CN205985326U (en) | Metal casing , antenna device and mobile terminal | |
| CN109301476B (en) | Flat LTE (Long term evolution) ultra-wideband antenna with metal back cover | |
| EP3062391B1 (en) | Pcb board, terminal and method for improving anti-interference capability of pcb board | |
| CN105826681B (en) | A kind of antenna system | |
| CN102237885A (en) | Wireless communication module | |
| CN106921766B (en) | Circuit board structure, antenna device and mobile terminal | |
| CN207409659U (en) | It is a kind of antenna integrated | |
| CN105305068A (en) | Combined antenna and electronic equipment | |
| Sketoe | Integrated circuit electromagnetic immunity handbook |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |