Nothing Special   »   [go: up one dir, main page]

CN104716441A - Multi-band antenna and mobile terminal - Google Patents

Multi-band antenna and mobile terminal Download PDF

Info

Publication number
CN104716441A
CN104716441A CN201310694466.1A CN201310694466A CN104716441A CN 104716441 A CN104716441 A CN 104716441A CN 201310694466 A CN201310694466 A CN 201310694466A CN 104716441 A CN104716441 A CN 104716441A
Authority
CN
China
Prior art keywords
antenna
oscillator
mobile terminal
superfrequency
multifrequency
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.)
Granted
Application number
CN201310694466.1A
Other languages
Chinese (zh)
Other versions
CN104716441B (en
Inventor
刘明伯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spreadtrum Communications Shanghai Co Ltd
Original Assignee
Spreadtrum Communications Shanghai Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spreadtrum Communications Shanghai Co Ltd filed Critical Spreadtrum Communications Shanghai Co Ltd
Priority to CN201310694466.1A priority Critical patent/CN104716441B/en
Publication of CN104716441A publication Critical patent/CN104716441A/en
Application granted granted Critical
Publication of CN104716441B publication Critical patent/CN104716441B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The invention discloses a multi-band antenna and a mobile terminal. The multi-band antenna comprises a feed point, a grounding point, a super high frequency oscillator, a first ultrahigh frequency oscillator, a second ultrahigh frequency oscillator and a matching component. The feed point is used for being connected with a feeder line, the grounding point is used for being connected with a ground wire, the super high frequency oscillator is coupled to the feed point and the grounding point, the first ultrahigh frequency oscillator is coupled to the feed point and the grounding point, the second ultrahigh frequency oscillator is coupled to the feed point and the grounding point, and the matching component is coupled between the super high frequency oscillator and the first ultrahigh frequency oscillator and used for adjusting the coupling coefficient between the super high frequency oscillator and the first ultrahigh frequency oscillator. According to the technical scheme, the multi-band antenna has the advantages that a 2.4 GHz wireless network antenna, a Bluetooth antenna, a 5GHz wireless network antenna and a GPS receiving antenna are integrated on a metal sheet, in this way, the space, occupied by the antennas, inside the mobile terminal is reduced, the arrangement space of the antennas is more sufficient, the possibility of interference among the multiple antennas is reduced, and then arrangement of the antennas inside the mobile terminal is facilitated.

Description

A kind of multifrequency antenna and mobile terminal
Technical field
The present invention relates to a kind of radio-frequency unit, particularly relate to a kind of multifrequency antenna.。
Background technology
In existing mobile communcations system, 2G(Generation Mobile Telecommunication System network standard)/3G(3 G mobile communication network standard) popularize.In some developed countries, 4G(forth generation mobile communications network standard) LTE(Long Term Evolution " Long Term Evolution ") also popularize gradually.
Because 4G communication system is by inevitable for the one becoming future, the so corresponding support of mobile terminal to 4G network also becomes a kind of demand of necessity.Due to the demand of 4G standard, the mobile terminal of 4G needs to arrange an antenna than the mobile terminal of 2G/3G more.Like this, in the design of antenna, 4G mobile terminal just needs the position of reserved at least one antenna more than the mobile terminal of 2G/3G.And the fast development of mobile terminal, adding of various New function, usually needing to arrange multiple antenna could realize.Multiple antenna concentrates on a mobile terminal, nowadays mobile terminal is more and more thinner, under more and more less trend, is an acid test to the layout of antenna and performance.
Multiple antenna is integrated on a mobile device, due to the restriction of size, it is very little that mutual distance will become, and this has great impact to the radiance of each antenna, even cannot meet the requirement of operator, this has become the bottleneck on hand-held mobile terminal Antenna Design.
Summary of the invention
For the problems referred to above that existing mobile terminal exists on antenna is arranged, now provide a kind of, be intended to minimizing antenna to take up room, thus realize the multifrequency antenna of antenna rational deployment in mobile terminal and use the mobile terminal of this antenna.
Concrete technical scheme is as follows:
A kind of multifrequency antenna, wherein, comprising:
Distributing point, in order to connect feeder line;
Earth point, in order to connect ground wire;
Hyperfrequency (Super High Frequency, SHF, 3GHz-30GHz) oscillator, is coupled respectively to described distributing point and described earth point;
First superfrequency (Ultra High Frequency, UHF, 300MHz-3GHz) oscillator, is coupled respectively to described distributing point and described earth point;
Second superfrequency oscillator, is coupled respectively to described distributing point and described earth point;
Matching block, is coupled between described hyperfrequency oscillator and described first superfrequency oscillator, in order to regulate the coupling coefficient between described hyperfrequency oscillator and described first superfrequency oscillator.
Preferably, described distributing point, described earth point, described hyperfrequency oscillator, described first superfrequency oscillator and described second superfrequency oscillator are formed on a sheet metal.
Preferably, described hyperfrequency oscillator resonance is in 5GHz frequency range.
Preferably, described first superfrequency oscillator resonance is in 2.4GHz frequency range.
Preferably, described second superfrequency oscillator resonance is in 1227.60MHz and/or resonance in 1575.42MHz.
Preferably, described matching block is formed primarily of the gap on described sheet metal, regulates the coupling coefficient between described hyperfrequency oscillator and described first superfrequency oscillator by the shape and/or size adjusting described gap.
Preferably, described first UHF-antenna is wireless network antenna and/or Bluetooth antenna.
A kind of mobile terminal, wherein, comprises above-mentioned multifrequency antenna.
Preferably, described multifrequency antenna is arranged at the upper right corner, the back side place of described mobile terminal.
Preferably, also comprise main communication antenna, be arranged at the back bottom of described mobile terminal.
Preferably, also comprise telescopic antenna, described telescopic antenna is arranged at described mobile terminal side, for receiving Mobile Multimedia Broadcasting.
Preferably, also comprise near field communication antenna, described near field communication antenna is arranged at described mobile terminal upper rear portion.
Preferably, also comprise Wireless charging coil, described Wireless charging coil is arranged in the middle part of the described mobile terminal back side, and presses close to the back housing of described mobile terminal.
Preferably, described main communication antenna is GSM antenna and/or WCDMA antenna and/or CDMA antenna and/or TD antenna and/or LTE antenna.
Preferably, also comprise LTE diversity antenna when described main communication antenna is LTE antenna, described LTE diversity antenna is arranged at top, the described mobile terminal back side.
The beneficial effect of technique scheme is:
2.4GHz wireless network antenna, Bluetooth antenna, 5GHz wireless network antenna and GPS reception antenna are integrated in one, reduce the space that antenna takies in mobile terminal, thus be conducive to the layout of mobile terminal internal antenna.
By on integrated to 2.4GHz wireless network antenna, Bluetooth antenna, a 5GHz wireless network antenna and GPS reception antenna sheet metal, the volume of antenna is further reduced, make the arrangement space of antenna more abundant, decrease possibility interfering with each other between multiple antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of multifrequency antenna of the present invention;
Fig. 2 is the structural representation of the antenna arrangement of mobile terminal of the present invention;
Fig. 3 is the return loss test result schematic diagram of multifrequency antenna of the present invention;
Fig. 4 is that multifrequency antenna of the present invention receives the passive efficiency test result schematic diagram of frequency range at GPS;
Fig. 5 is that multifrequency antenna of the present invention receives and dispatches the passive efficiency test result schematic diagram of frequency range at bluetooth and 2.4GHz wireless network;
Fig. 6 is the passive efficiency test result schematic diagram of multifrequency antenna of the present invention in 5GHz wireless network transmitting-receiving frequency range.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
It is pointed out that under the prerequisite that there is not contradiction, the embodiment in technical scheme of the present invention, and the technical characteristic in embodiment can combine mutually.
As shown in Figure 1, the invention provides a kind of multifrequency antenna, wherein, comprising: distributing point 1, in order to connect feeder line (not in shown in figure); Earth point 2, in order to connect ground wire; Hyperfrequency oscillator 3, is coupled respectively to distributing point 1 and earth point 2; First superfrequency oscillator 4, is coupled respectively to distributing point 1 and earth point 2; Second superfrequency oscillator 5, is coupled respectively to distributing point 1 and earth point 2; Matching block 6, is coupled between hyperfrequency oscillator 3 and the first superfrequency oscillator 4, in order to regulate the coupling coefficient between hyperfrequency oscillator 3 and the first superfrequency oscillator 4.
In technique scheme, hyperfrequency oscillator 3 resonance is in 5GHz frequency range, in order to the signal transmitting and receiving of 5GHz wireless network, first superfrequency oscillator 4 resonance is in 2.4GHz frequency range, in order to the signal transmitting and receiving of bluetooth and 2.4GHz wireless network, second superfrequency oscillator 5 resonance in 1227.60MHz and/or resonance in 1575.42MHz, for the reception of gps signal.Technique scheme is by the oscillator of the signal transmitting and receiving for 5GHz wireless network, be integrated in an antenna for bluetooth and the oscillator of signal transmitting and receiving of 2.4GHz wireless network and the oscillator for receiving gps signal, thus reduce the duty space of antenna, be conducive to the layout of mobile terminal inside antenna.Matching block 6 coupling coefficient adjusted between hyperfrequency oscillator 3 and the first superfrequency oscillator 4 makes both be matched with in same antenna structure.
On technique scheme basis, further, distributing point 1, earth point 2, hyperfrequency oscillator 3, first superfrequency oscillator 4 and the second superfrequency oscillator 5 are formed on a sheet metal 0.Namely antenna structure is a metal sheet, thus taking up room of antenna is further reduced, and even can fit in the shell inner surface of mobile terminal, further be conducive to the antenna arrangement in mobile terminal.
On technique scheme basis, further, matching block 6 can be formed primarily of the gap on sheet metal 0, regulates the coupling coefficient between hyperfrequency oscillator 3 and the first superfrequency oscillator 4 by the shape and/or size adjusting gap.
As shown in Figures 3 to 6, after tested, its performance can meet the multifrequency antenna that technique scheme provides, and wherein the efficiency of GPS frequency f1 can reach-5.5dB.Bluetooth and 2.4GHz wireless network frequency range f2 can reach more than-6.5dB.5GHz wireless network frequency range f3 can reach more than-6dB.The performance requirement that mobile terminal is received and dispatched in GPS reception, bluetooth and the transmitting-receiving of 2.4GHz wireless network and 5GHz wireless network can be met.
Also comprise a kind of mobile terminal in technical scheme of the present invention, wherein, comprise above-mentioned multifrequency antenna 100, as shown in Figure 2, multifrequency antenna 100 can be arranged at the upper right corner, the back side place of mobile terminal 000.
On this basis, also further can comprise main communication antenna 200, main communication antenna 200 can be arranged at the back bottom of mobile terminal 000.Wherein, main communication antenna can be GSM antenna and/or WCDMA antenna and/or CDMA antenna and/or TD antenna and/or LTE antenna.The mode of operation of main communication antenna can be arranged according to the needs of mobile terminal reality.When main communication antenna is LTE antenna, the top, the back side that LTE diversity antenna 201, LTE diversity antenna 201 can be arranged at mobile terminal 000 also further can be comprised.
On this basis, also can further comprise telescopic antenna 300, telescopic antenna 300 can be arranged at the side of mobile terminal 000, for receiving Mobile Multimedia Broadcasting (CMMB China MobileMultimedia Broadcasting).
On this basis, also further can comprise near-field communication (NFC Near FieldCommunication) antenna 400, near field communication antenna 400 can be arranged at the upper rear portion of mobile terminal 000.
On this basis, also can further comprise Wireless charging coil 500, Wireless charging coil 500 can be arranged in the middle part of mobile terminal 100 back side, and presses close to the back housing of mobile terminal 000.
It is to be noted; the execution mode of above-mentioned mobile terminal antenna layout is the embodiment in technical scheme of the present invention; do not represent the whole of technical solution of the present invention, the new execution mode obtained by the mutual combination of above-mentioned execution mode also should be included in protection scope of the present invention.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.

Claims (15)

1. a multifrequency antenna, is characterized in that, comprising:
Distributing point, in order to connect feeder line;
Earth point, in order to connect ground wire;
Hyperfrequency oscillator, is coupled respectively to described distributing point and described earth point;
First superfrequency oscillator, is coupled respectively to described distributing point and described earth point;
Second superfrequency oscillator, is coupled respectively to described distributing point and described earth point;
Matching block, is coupled between described hyperfrequency oscillator and described first superfrequency oscillator, in order to regulate the coupling coefficient between described hyperfrequency oscillator and described first superfrequency oscillator.
2. multifrequency antenna as claimed in claim 1, it is characterized in that, described distributing point, described earth point, described hyperfrequency oscillator, described first superfrequency oscillator and described second superfrequency oscillator are formed on a sheet metal.
3. multifrequency antenna as claimed in claim 1, it is characterized in that, described hyperfrequency oscillator resonance is in 5GHz frequency range.
4. multifrequency antenna as claimed in claim 1, it is characterized in that, described first superfrequency oscillator resonance is in 2.4GHz frequency range.
5. multifrequency antenna as claimed in claim 1, is characterized in that, described second superfrequency oscillator resonance is in 1227.60MHz and/or resonance in 1575.42MHz.
6. multifrequency antenna as claimed in claim 2, it is characterized in that, described matching block is formed primarily of the gap on described sheet metal, regulates the coupling coefficient between described hyperfrequency oscillator and described first superfrequency oscillator by the shape and/or size adjusting described gap.
7. multifrequency antenna as claimed in claim 4, it is characterized in that, described first UHF-antenna is wireless network antenna and/or Bluetooth antenna.
8. a mobile terminal, is characterized in that, comprises as multifrequency antenna as described in arbitrary in claim 1-7.
9. mobile terminal as claimed in claim 8, it is characterized in that, described multifrequency antenna is arranged at the upper right corner, the back side place of described mobile terminal.
10. mobile terminal as claimed in claim 9, is characterized in that, also comprise main communication antenna, be arranged at the back bottom of described mobile terminal.
11. mobile terminals as claimed in claim 9, it is characterized in that, also comprise telescopic antenna, described telescopic antenna is arranged at described mobile terminal side, for receiving Mobile Multimedia Broadcasting.
12. mobile terminals as claimed in claim 9, it is characterized in that, also comprise near field communication antenna, described near field communication antenna is arranged at described mobile terminal upper rear portion.
13. mobile terminals as claimed in claim 9, it is characterized in that, also comprise Wireless charging coil, described Wireless charging coil is arranged in the middle part of the described mobile terminal back side, and presses close to the back housing of described mobile terminal.
14. mobile terminals as claimed in claim 10, is characterized in that, described main communication antenna is GSM antenna and/or WCDMA antenna and/or CDMA antenna and/or TD antenna and/or LTE antenna.
15. mobile terminals as claimed in claim 14, it is characterized in that, also comprise LTE diversity antenna when described main communication antenna is LTE antenna, described LTE diversity antenna is arranged at top, the described mobile terminal back side.
CN201310694466.1A 2013-12-17 2013-12-17 A kind of multifrequency antenna and mobile terminal Active CN104716441B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310694466.1A CN104716441B (en) 2013-12-17 2013-12-17 A kind of multifrequency antenna and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310694466.1A CN104716441B (en) 2013-12-17 2013-12-17 A kind of multifrequency antenna and mobile terminal

Publications (2)

Publication Number Publication Date
CN104716441A true CN104716441A (en) 2015-06-17
CN104716441B CN104716441B (en) 2019-03-12

Family

ID=53415549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310694466.1A Active CN104716441B (en) 2013-12-17 2013-12-17 A kind of multifrequency antenna and mobile terminal

Country Status (1)

Country Link
CN (1) CN104716441B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406176A (en) * 2015-12-09 2016-03-16 广东欧珀移动通信有限公司 Antenna system for mobile terminal and mobile terminal
CN105703790A (en) * 2016-01-18 2016-06-22 广东欧珀移动通信有限公司 Mobile terminal
CN105870586A (en) * 2016-01-06 2016-08-17 乐视移动智能信息技术(北京)有限公司 Dual-frequency wireless fidelity (WI-FI) antenna and mobile terminal
CN110427790A (en) * 2019-07-22 2019-11-08 阿里巴巴集团控股有限公司 A kind of RFID device and the information processing method based on it
US10984135B2 (en) 2019-07-22 2021-04-20 Advantageous New Technologies Co., Ltd. RFID information processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2541958Y (en) * 2002-04-02 2003-03-26 寰波科技股份有限公司 Reverse F-shape antenna
US20040137950A1 (en) * 2001-03-23 2004-07-15 Thomas Bolin Built-in, multi band, multi antenna system
US20090027299A1 (en) * 2007-07-26 2009-01-29 Arima Communications Corporation Multiple frequency band antenna
CN201298589Y (en) * 2008-08-06 2009-08-26 比亚迪股份有限公司 Cellphone antenna module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040137950A1 (en) * 2001-03-23 2004-07-15 Thomas Bolin Built-in, multi band, multi antenna system
CN2541958Y (en) * 2002-04-02 2003-03-26 寰波科技股份有限公司 Reverse F-shape antenna
US20090027299A1 (en) * 2007-07-26 2009-01-29 Arima Communications Corporation Multiple frequency band antenna
CN201298589Y (en) * 2008-08-06 2009-08-26 比亚迪股份有限公司 Cellphone antenna module

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406176A (en) * 2015-12-09 2016-03-16 广东欧珀移动通信有限公司 Antenna system for mobile terminal and mobile terminal
CN105406176B (en) * 2015-12-09 2018-09-04 广东欧珀移动通信有限公司 A kind of mobile terminal antenna system and mobile terminal
CN105870586A (en) * 2016-01-06 2016-08-17 乐视移动智能信息技术(北京)有限公司 Dual-frequency wireless fidelity (WI-FI) antenna and mobile terminal
CN105703790A (en) * 2016-01-18 2016-06-22 广东欧珀移动通信有限公司 Mobile terminal
CN110427790A (en) * 2019-07-22 2019-11-08 阿里巴巴集团控股有限公司 A kind of RFID device and the information processing method based on it
US10984135B2 (en) 2019-07-22 2021-04-20 Advantageous New Technologies Co., Ltd. RFID information processing
US11334688B2 (en) 2019-07-22 2022-05-17 Advanced New Technologies Co., Ltd. RFID information processing

Also Published As

Publication number Publication date
CN104716441B (en) 2019-03-12

Similar Documents

Publication Publication Date Title
CN103858277B (en) A kind of three poliarizing antennas
CN103151601B (en) A kind of bottom edge slot coupled antenna
US8330665B2 (en) Antenna device and portable radio communication device comprising such antenna device
CN105514624A (en) Mobile terminal antenna system and mobile terminal
CN104733861A (en) Antenna structure and wireless communication device with same
CN201682057U (en) Multifrequency antenna
CN105490004A (en) Mobile terminal antenna system and mobile terminal
CN204375915U (en) Multiband antenna
CN102856629A (en) Three-in-one antenna device of cell phone
CN104505589A (en) LTE (Long Term Evolution) carrier aggregation antenna of portable equipment with full-metal shell
CN104518278A (en) Antenna and terminal
CN103825108A (en) Mobile phone terminal MIMO antenna structure applied to multiple modes and multiple bands
CN102820523A (en) Multi-band antenna
CN104716441A (en) Multi-band antenna and mobile terminal
CN105811123A (en) Antenna system and electronic device
CN112838351A (en) Radio frequency device and electronic equipment
CN104218330A (en) Antenna
CN105846069A (en) Multi-band MIMO cell phone antenna with simple decoupling structure
CN203760679U (en) MIMO antenna structure suitable for multi-mode multi-band mobile phone terminal
CN204668472U (en) A kind of coupled handset antenna
CN104332696B (en) Mobile phone mimo antenna structure
CN102969567A (en) Communication device and method for increasing antenna operation bandwidth
CN203104423U (en) Multi-band antenna circuit and mobile terminal
CN202042592U (en) Built-in mobile phone antenna
WO2014000582A1 (en) 3g antenna for cellphone and 3g cellphone

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200601

Address after: 361012 unit 05, 8 / F, building D, Xiamen international shipping center, No.97 Xiangyu Road, Xiamen area, China (Fujian) free trade zone, Xiamen City, Fujian Province

Patentee after: Xinxin Finance Leasing (Xiamen) Co.,Ltd.

Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288

Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20150617

Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

Assignor: Xinxin Finance Leasing (Xiamen) Co.,Ltd.

Contract record no.: X2021110000010

Denomination of invention: A multi frequency antenna and mobile terminal

Granted publication date: 20190312

License type: Exclusive License

Record date: 20210317

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230718

Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288

Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

Address before: 361012 unit 05, 8 / F, building D, Xiamen international shipping center, 97 Xiangyu Road, Xiamen area, China (Fujian) pilot Free Trade Zone, Xiamen City, Fujian Province

Patentee before: Xinxin Finance Leasing (Xiamen) Co.,Ltd.