CN106785419A - A kind of band spreading structure of terminal antenna - Google Patents
A kind of band spreading structure of terminal antenna Download PDFInfo
- Publication number
- CN106785419A CN106785419A CN201611246858.1A CN201611246858A CN106785419A CN 106785419 A CN106785419 A CN 106785419A CN 201611246858 A CN201611246858 A CN 201611246858A CN 106785419 A CN106785419 A CN 106785419A
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- China
- Prior art keywords
- metal
- coupling piece
- terminal
- antenna
- metal coupling
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- 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
- H01Q5/10—Resonant antennas
-
- 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
-
- 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
- H01Q5/335—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 at the feed, e.g. for impedance matching
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- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of band spreading structure of terminal antenna, the structure includes:Metal back cover and metal center, the metal center is provided with around the metal back cover, the metal back cover is separated with the top of the metal center by gap, so that the top of the metal center is used as antenna radiator, wherein, the antenna radiator is connected in first position with earth point, is connected with tuning circuit by tuning switch in second position, by coupling steel disc and distributing point couple feed at the 3rd position;Metal Coupling piece, the metal Coupling piece is arranged on the target location on the distributing point periphery, to extend the bandwidth of the antenna radiator by the coupling between the metal Coupling piece and the antenna radiator.
Description
Technical field
The present invention relates to antenna technology, more particularly to a kind of terminal antenna band spreading structure.
Background technology
With forth generation (4G, 4thGeneration) mechanics of communication is developed rapidly, and current mobile terminal is also increasingly
4G networks, such as Long Term Evolution (LTE, Long Term Evolution) network are supported more, and this is accomplished by antenna with wider
Bandwidth meet the demand of user.On the other hand, with the further popularization of 4G terminals, mobile phone homogeneity is also more and more tighter
Weight, people opponent is confidential to seek also more and more higher, such as:Fuselage texture, user's online experience etc..Therefore, many cell phone manufacturers push away
Metal type is gone out, wherein all-metal integrated mobile phone enjoys consumer to like because its is attractive in appearance, structural strength is big, heat conductivility is superior
Love.All-metal mobile phone, also because metal has natural signal shielding characteristic, is reduced while mobile phone texture, class is lifted
The performance of antenna, in order to not influence the experience of user, while meeting 4G standards, this also just brings huge choosing to Antenna Design
War.
Design of the existing mobile terminal to antenna, can reach the bandwidth covering of low-frequency range GSM800/900, high band
The bandwidth covering of DCS/PCS/UMTS/LTE2300/2500, for fear of the limitation of mobile terminal structure design so that extended antenna again
Frequency range have very big difficulty, however, it is necessary to mobile terminal further expands frequency range under some application scenarios, to meet user
Demand, such as Latin American needs the working frequency range of 700MHz, it is seen then that meeting the same of mobile terminal structure design limitation
When, how the frequency range of extended antenna be urgent need to resolve problem.
The content of the invention
In order to solve the above technical problems, a kind of band spreading structure of terminal antenna is the embodiment of the invention provides, can
While mobile terminal structure design limitation is met, the frequency range of extended antenna.
The band spreading structure of terminal antenna provided in an embodiment of the present invention, including:
Metal back cover and metal center, are provided with the metal center, the metal back cover around the metal back cover
Top with the metal center is separated by gap so that the top of the metal center as antenna radiator, wherein, institute
State antenna radiator to be connected with earth point in first position, be connected with tuning circuit by tuning switch in second position,
By coupling steel disc and distributing point couple feed at the 3rd position;
Metal Coupling piece, the metal Coupling piece is arranged on the target location on the distributing point periphery, with by described
Couple to extend the bandwidth of the antenna radiator between metal Coupling piece and the antenna radiator.
In the embodiment of the present invention, the metal Coupling piece is parallel with the top of the metal back cover.
In the embodiment of the present invention, the metal Coupling piece is arranged on terminal protection and puts, and the terminal protection set can cover
It is located at the terminal back that the metal back cover and metal center are formed;
When the terminal protection set is set in terminal back, the metal Coupling piece is located at the mesh on the distributing point periphery
At cursor position.
In the embodiment of the present invention, the metal Coupling piece is arranged on the outer surface of the terminal protection set;Or,
The metal Coupling piece is arranged on the inside of the terminal protection set;Or,
The metal Coupling piece is arranged on the inner surface of the terminal protection set.
In the embodiment of the present invention, the inner surface that the metal Coupling piece is arranged on the terminal protection set refers to:Described
The inner surface of terminal protection set has groove structure, and the metal Coupling piece is set in the groove structure.
In the embodiment of the present invention, fixation and the antenna radiator that the metal Coupling piece is covered by the terminal protection
Keep not in contact with state.
In the embodiment of the present invention, it is equipped with the position corresponding with the metal Coupling piece on the terminal protection covers
Through hole, causes that the metal Coupling piece stretches out a metal clips by the through hole, and the metal clips states antenna spoke with described
Beam is connected.
In the embodiment of the present invention, it is equipped with the position corresponding with the metal Coupling piece on the terminal protection covers
Through hole, causes that the metal Coupling piece stretches out a metal thimble by the through hole, and the metal thimble states antenna spoke with described
Beam is connected.
In the embodiment of the present invention, the tuning switch is specially two-way tuning switch, wherein, the two-way tuning switch energy
It is enough that the antenna radiator capacitance different from two is connected.
In the technical scheme of the embodiment of the present invention, the band spreading structure of terminal antenna, including:In metal back cover and metal
Frame, is provided with the metal center around the metal back cover, pass through at the top of the metal back cover and the metal center
Gap separates so that the top of the metal center as antenna radiator, wherein, the antenna radiator is in first position
It is connected with earth point, is connected with tuning circuit by tuning switch in second position, by coupling steel disc at the 3rd position
With distributing point couple feed;Metal Coupling piece, the metal Coupling piece is arranged on the target location on the distributing point periphery, with
The bandwidth of the antenna radiator is extended by the coupling between the metal Coupling piece and the antenna radiator.Using this
The technical scheme of inventive embodiments, on the premise of terminal existing design is not changed, is matched by using one with terminal
Metal Coupling piece (may be provided at terminal protection set in) is extended come the working frequency range to antenna.
Brief description of the drawings
Fig. 1 is a hardware architecture diagram for optional mobile terminal for realizing each embodiment of the invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the terminal back board structure under the embodiment of the invention;
Fig. 4 is the structure of the terminal antenna under the embodiment of the invention;
Fig. 5 is the band spreading structure of the terminal antenna under the embodiment of the invention;
Fig. 6 is the antenna standing wave return loss figure one of the embodiment of the present invention;
Fig. 7 is the antenna standing wave return loss figure two of the embodiment of the present invention.
Specific embodiment
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to the explanation of the embodiment of the present invention,
Itself do not have specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the embodiment of the present invention can include it is all
Such as mobile phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA, Personal
Digital Assistant), panel computer (PAD), portable media player (PMP, Portable Media
Player), the mobile terminal of guider etc. and the such as fixed terminal of numeral TV, desktop computer etc..Below, it is false
If terminal is mobile terminal.However, it will be understood by those skilled in the art that, except be used in particular for moving purpose element it
Outward, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, audio/video (A/V) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, its can with DMB (DMB,
Digital Multimedia Broadcasting) electronic program guides (EPG, Electronic Program Guide),
The electronic service guidebooks of digital video broadcast-handheld (DVB-H, Digital Video Broadcasting-Handheld)
The form of (ESG, Electronic Service Guide) etc. and exist.Broadcasting reception module 111 can be by using each
The broadcast system of type receives signal broadcast.Especially, broadcasting reception module 111 can be by using such as multi-media broadcast
Broadcast-ground (DMB-T, Digital Multimedia Broadcasting-Terrestrial), DMB-defend
Star (DMB-S, Digital Multimedia Broadcasting-Satellite), digital video broadcast-handheld (DVB-H),
Radio Data System, the received terrestrial digital broadcasting synthesis of forward link media (MediaFLO, Media Forward Link Only)
The numeral of service (ISDB-T, Integrated Services Digital Broadcasting-Terrestrial) etc. is wide
Broadcast system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that the various broadcast systems for being adapted to provide for broadcast singal
And above-mentioned digit broadcasting system.The broadcast singal and/or broadcast related information received via broadcasting reception module 111 can be deposited
Storage is in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (Wi-Fi, WLAN,
Wireless Local Area Networks), WiMAX (Wibro), worldwide interoperability for microwave accesses (Wimax), at a high speed under
Downlink packet is accessed (HSDPA, High Speed Downlink Packet Access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth, radio frequency identification (RFID, Radio Frequency Identification), Infrared Data Association (IrDA, Infrared
Data Association), ultra wide band (UWB, Ultra Wideband), purple honeybee etc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be global positioning system (GPS, Global Positioning System).According to current technology, GPS moulds
Block 115 calculates range information and correct time information from three or more satellites and the Information application three for calculating
Angle, so as to calculate according to longitude, latitude and highly accurately three-dimensional current location information.Currently, for calculating position
The position and time for calculating are corrected using three satellites and by using an other satellite with the method for temporal information
The error of information.Additionally, GPS module 115 can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and can include subscriber identification module (UIM, User Identify Module), client identification module (SIM,
Subscriber Identity Module), Universal Subscriber identification module (USIM, Universal Subscriber
Identity Module) etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take intelligence
The form of card, therefore, identifying device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170
Can be used for the input transmission that receive the input (for example, data message, electric power etc.) from external device (ED) and will receive
To one or more elements in mobile terminal 1 00 or can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI, User Interface) or graphic user interface (GUI, Graphical User
Interface).When mobile terminal 1 00 is in video calling pattern or image capture mode, display unit 151 can show
Show the image of capture and/or the image of reception, the UI or GUI that show video or image and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 can include liquid crystal display (LCD, Liquid
Crystal Display), thin film transistor (TFT) LCD (TFT-LCD, Thin Film Transistor-LCD), organic light-emitting diodes
In pipe (OLED, Organic Light-Emitting Diode) display, flexible display, three-dimensional (3D) display etc.
It is at least one.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as
Transparent display, typical transparent display can be, for example, transparent organic light emitting diode (TOLED) display etc..According to
Specific desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), example
Such as, mobile terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to examine
Survey touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM, Random Access
Memory), static random-access memory (SRAM, Static Random Access Memory), read-only storage (ROM,
Read Only Memory), Electrically Erasable Read Only Memory (EEPROM, Electrically Erasable
Programmable Read Only Memory), programmable read only memory (PROM, Programmable Read Only
Memory), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC, Application Specific Integrated Circuit), digital signal processor (DSP, Digital
Signal Processing), digital signal processing device (DSPD, Digital Signal Processing Device), can
Programmed logic device (PLD, Programmable Logic Device), field programmable gate array (FPGA, Field
Programmable Gate Array), processor, controller, microcontroller, microprocessor, be designed to perform it is described herein
Function electronic unit at least one implement, in some cases, such implementation method can be in controller 180
Middle implementation.For software implementation, the implementation method of such as process or function can with allow to perform at least one function or operation
Single software module implement.Software code can be by the software application write with any appropriate programming language
(or program) is implemented, and software code can store in memory 160 and be performed by controller 180.
So far, oneself according to its function through describing mobile terminal.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal wherein according to embodiments of the present invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA, Frequency Division Multiple Access), time division multiple acess
(TDMA, Time Division Multiple Access), CDMA (CDMA, Code Division Multiple
) and UMTS (UMTS, Universal Mobile Telecommunications System) is (special Access
Not, Long Term Evolution (LTE, Long Term Evolution)), global system for mobile communications (GSM) etc..As unrestricted
Property example, following description is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS, Base
Station) 270, base station controller (BSC, Base Station Controller) 275 and mobile switching centre (MSC,
Mobile Switching Center)280.MSC280 is configured to and Public Switched Telephony Network (PSTN, Public
Switched Telephone Network) 290 formation interfaces.MSC280 is also structured to and can be coupled via back haul link
BSC275 to base station 270 forms interface.If any one in the interface that back haul link can be known according to Ganji is constructed, described
Interface includes such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that as shown in Figure 2
System can include multiple BSC275.
Each BS 270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS 270.Or, each subregion can by two for diversity reception or more
Multiple antennas are covered.Each BS 270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency
Spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS 270 can also be referred to as base station transceiver
System (BTS, Base Transceiver Station) or other equivalent terms.In this case, term " base station "
Can be used for broadly representing single BSC275 and at least one BS 270.Base station can also be referred to as " cellular station ".Or, it is special
Each subregion for determining BS 270 can be referred to as multiple cellular stations.
As shown in Figure 2, be sent to for broadcast singal by broadcsting transmitter (BT, Broadcast Transmitter) 295
The mobile terminal 1 00 of operation in system.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to connect
Receive the broadcast singal sent by BT295.In fig. 2 it is shown that several satellites 300, such as can use global positioning system
(GPS) satellite 300.Satellite 300 helps position at least one of multiple mobile terminal 1s 00.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS 270 receives the reverse strand from various mobile terminal 1s 00
Road signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270
Reverse link signal is processed in specific BS 270.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides logical
Words resource allocation and the mobile management function of the coordination including the soft switching process between BS 270.BSC275 will also be received
Data are routed to MSC280, and it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS 270 with by forward link signals
It is sent to mobile terminal 1 00.
The mobile communication module 112 of wireless communication unit 110 is based on the built-in access movement of mobile terminal in mobile terminal
The necessary data (including customer identification information and authentication information) of communication network (such as 2G/3G/4G mobile communications networks) is accessed
Mobile communications network is the business transmission mobile data (bag such as the web page browsing of mobile terminal user, network multimedia broadcasting
Include up mobile data and descending mobile data).
The wireless Internet module 113 of wireless communication unit 110 by run the related protocol function of hotspot and reality
The function of existing hotspot, hotspot supports that multiple mobile terminals (any mobile terminal outside mobile terminal) are accessed, and leads to
The webpage that the mobile communication crossed between multiplexing mobile communication module 112 and mobile communications network is connected as mobile terminal user is clear
Look at, the business transmission mobile data such as network multimedia is played (including up mobile data and descending movement it is logical
Letter data), because mobile terminal is substantially the mobile communication connection transmission movement between multiplexing mobile terminal and communication network
Communication data, therefore the flow of the mobile data of mobile terminal consumption counts movement by the charging entity of communication network side
The post and telecommunication tariff of terminal, so as to consume the data flow of the mobile data that the mobile terminal post and telecommunication tariff that uses of signing includes
Amount.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the invention is proposed.
A kind of band spreading structure of terminal antenna is the embodiment of the invention provides, including:Metal back cover and metal center,
The metal center is provided with around the metal back cover, the metal back cover passes through gap with the top of the metal center
Separate so that the top of the metal center as antenna radiator, wherein, the antenna radiator first position with connect
Place is connected, and is connected with tuning circuit by tuning switch in second position, by coupling steel disc with feedback at the 3rd position
Electricity point couple feed;Metal Coupling piece, the metal Coupling piece is arranged on the target location on the distributing point periphery, to pass through
Couple to extend the bandwidth of the antenna radiator between the metal Coupling piece and the antenna radiator.Using the present invention
The technical scheme of embodiment, on the premise of terminal existing design is not changed, by using a metal matched with terminal
Coupling piece (may be provided at terminal protection set in) is extended come the working frequency range to antenna.
In order to more clearly understand the structure of the terminal antenna being related in the embodiment of the present invention, below to terminal antenna
Structure is elaborated.
Because of whole machine metal structure, the clearance zone of antenna increasingly comes small to current all-metal antenna for mobile phone environment, clearance zone week
Enclosing the device put causes all-metal mobile phone top antenna performance to be increasingly difficult to broadband and radiance high, and user
Receptivity requirement for top antenna is still very high, therefore improves the research side that all-metal top antenna performance necessitates
To.
Based on this, a kind of improvement top antenna performance on all-metal backboard breaking joint mobile phone is the embodiment of the invention provides
Design.Antenna carries out couple feed using coupling steel disc to top metal frame, and loading capacitance reality is switched using tuning switch
The function of existing resonance high and low frequency switching, enables the antenna to cover wide-band.
Fig. 3 is the terminal back board structure under the embodiment of the invention, and Fig. 4 is under the embodiment of the invention
Terminal antenna structure;As shown in figure 3, terminal backboard is all-metal construction, the top antenna and bottom antenna of backboard are used
Breaking joint form symmetrical above and below, seam width is 2mm.
Fig. 4 is the view in the XY faces of Fig. 3, is coupling steel disc in dotted line circle as shown in figure 4,1 is distributing point, with steel disc with
The mode of mobile phone metal frame coupling is fed.In Fig. 4,2 and 3 is all earth point, wherein 2 single-pole double throws being connected on mainboard are adjusted
On humorous switch, then it is connected to main by mainboard;3 to be directly connected to after metal shell main so as to be connected to.4 is rear camera.
The size of the antenna structure of the embodiment of the present invention can flexibly be set.
The above-mentioned antenna structure of the embodiment of the present invention, concrete methods of realizing is as follows:
1) switch is disconnected, tuning switch is in suspended state, optimizes and revises the shapes and sizes of coupling steel disc, finds 3 and connect
The optimal position in place, make antenna obtain low frequency and each resonance of high frequency, its low-frequency band covering 880-960MHz frequency ranges wide,
High frequency covers 2300-2700MHz band segments.In this step, the position of 3 earth points is extremely important, determines low frequency and high frequency
The position of resonance point.
2) low frequency and high-frequency resonant are pulled by accessing constant capacitance in tuning switch 2, two resonance all can be past low
Frequency deviation is moved.Using double switch, different capacitances are respectively connected to, low frequency and high-frequency resonant are toward low frequency offset, two kinds of generation
Frequency state, makes low frequency cover 824-894MHz, and intermediate frequency is humorous in 1710-1990MHz and 1920-2170MHz parts generation two
Shake.
In above-mentioned antenna structure, two different capacitances are accessed by using switch and produces two groups of low frequencies and high frequency group
Close, switch hanging frequency range state in addition in addition, enable the antenna to cover whole low frequency 824-960MHz, medium/high frequency can be produced
Raw three resonance, so that top antenna obtains broadband character and good performance in 1710-2700MHz frequency ranges.
In above-mentioned antenna structure, if it is desired on the premise of existing antenna structure is not influenceed, further to antenna
Frequency range is extended, then need the band spreading structure by the embodiment of the present invention to realize.
Fig. 5 is the band spreading structure of the terminal antenna under the embodiment of the invention, as shown in figure 5, the knot
Structure includes:
Metal back cover 51 and metal center 52, are provided with the metal center 52 around the metal back cover 51, described
Metal back cover 51 is separated with the top of the metal center 52 by gap 53 so that the top of the metal center 52 is used as day
Beta radiation body 54, wherein, the antenna radiator 54 is connected in first position with earth point 3, in second position by adjusting
Humorous switch 2 is connected with tuning circuit, by coupling steel disc and the couple feed of distributing point 1 at the 3rd position;
Metal Coupling piece 55, the metal Coupling piece 55 is arranged on the target location on the periphery of the distributing point 1, to pass through
Couple to extend the bandwidth of the antenna radiator 54 between the metal Coupling piece 55 and the antenna radiator 54.
In the embodiment of the present invention, the metal Coupling piece 55 is parallel with the top of the metal back cover 51.
In the embodiment of the present invention, the metal Coupling piece 55 is arranged on terminal protection and puts, and the terminal protection set can
It is set in the terminal back that the metal back cover 51 and metal center 52 are formed;
When the terminal protection set is set in terminal back, the metal Coupling piece 55 is located at the periphery of the distributing point 1
Target location.
Here, terminal protection set can be made of soft plastic material, it would however also be possible to employ rigid plastics is made.
In the embodiment of the present invention, the metal Coupling piece 55 is arranged on the outer surface of the terminal protection set;Or,
The metal Coupling piece 55 is arranged on the inside of the terminal protection set;Or,
The metal Coupling piece 55 is arranged on the inner surface of the terminal protection set.
In the embodiment of the present invention, the inner surface that the metal Coupling piece 55 is arranged on the terminal protection set refers to:Institute
The inner surface for stating terminal protection set has groove structure, and the metal Coupling piece 55 is set in the groove structure.
In the embodiment of the present invention, fixation and the aerial radiation that the metal Coupling piece 55 is covered by the terminal protection
Body 54 is kept not in contact with state.This mode is referred to as the coupled modes of metal Coupling piece.
In the embodiment of the present invention, worn at the position corresponding with the metal Coupling piece 55 on the terminal protection covers
There is through hole, cause that the metal Coupling piece 55 stretches out a metal clips by the through hole, the metal clips states day with described
Beta radiation body 54 is connected.This mode is referred to as the short circuit mode of metal Coupling piece.
In the embodiment of the present invention, worn at the position corresponding with the metal Coupling piece 55 on the terminal protection covers
There is through hole, cause that the metal Coupling piece 55 stretches out a metal thimble by the through hole, the metal thimble states day with described
Beta radiation body 54 is connected.This mode is referred to as the short circuit mode of metal Coupling piece.
In the embodiment of the present invention, the tuning switch 2 is specially two-way tuning switch 2, wherein, the two-way tuning switch
2 can be connected the capacitance different from two of the antenna radiator 54.
In such scheme, the operation principle of metal Coupling piece is:Made by the coupling of metal Coupling piece and antenna radiator
With, by increasing capacitance it is possible to increase the effective length of the electric current of low frequency branch or high-frequency branch, it is met antenna size and reach working frequency range A's
Quarter-wave, so, working frequency range A is extended frequency range, such as 700Mhz.
As a example by realizing the effective length in low-frequency antenna branch current path, no matter metal Coupling piece is sidewall coupling mode
Or side wall short circuit mode, metal Coupling pitch of fins terminal W wide is 1.35mm, and the length L of metal Coupling piece is 29mm, then antenna is stayed
Shown in ripple return loss figure reference picture 6, as illustrated, add metal Coupling piece after, can allow antenna radiator low frequency branch with
Sheet metal produces coupling so that low frequency operation is in 700MHz or so.But high frequency effect is larger, intermediate frequency disappears.
As a example by realizing the effective length in low-frequency antenna branch current path, metal Coupling piece is bottom short circuit mode, gold
Category coupling piece is 2mm away from terminal W wide, and the length L of metal Coupling piece is 60mm, then shown in antenna standing wave return loss figure reference picture 7, such as
Shown in figure, after metal Coupling piece is added, the low frequency branch of antenna radiator and sheet metal can be allowed to produce coupling so that
Low frequency operation is in 700MHz or so.High-frequency resonant is not significantly affected simultaneously.
Between technical scheme described in the embodiment of the present invention, in the case where not conflicting, can be in any combination.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.
Claims (9)
1. the band spreading structure of a kind of terminal antenna, it is characterised in that the structure includes:
Metal back cover and metal center, are provided with the metal center, the metal back cover and institute around the metal back cover
The top for stating metal center is separated by gap so that the top of the metal center as antenna radiator, wherein, the day
Beta radiation body is connected in first position with earth point, is connected with tuning circuit by tuning switch in second position,
By coupling steel disc and distributing point couple feed at three positions;
Metal Coupling piece, the metal Coupling piece is arranged on the target location on the distributing point periphery, with by the metal
Couple to extend the bandwidth of the antenna radiator between coupling piece and the antenna radiator.
2. the band spreading structure of terminal antenna according to claim 1, it is characterised in that the metal Coupling piece and institute
The top for stating metal back cover is parallel.
3. the band spreading structure of terminal antenna according to claim 1, it is characterised in that the metal Coupling piece is set
On terminal protection set, the terminal protection set can be set in the terminal back of the body that the metal back cover and metal center are formed
Portion;
When the terminal protection set is set in terminal back, the metal Coupling piece is located at the target position on the distributing point periphery
Put place.
4. the band spreading structure of terminal antenna according to claim 3, it is characterised in that
The metal Coupling piece is arranged on the outer surface of the terminal protection set;Or,
The metal Coupling piece is arranged on the inside of the terminal protection set;Or,
The metal Coupling piece is arranged on the inner surface of the terminal protection set.
5. the band spreading structure of terminal antenna according to claim 4, it is characterised in that the metal Coupling piece is set
Refer in the inner surface of terminal protection set:There is groove structure in the inner surface of terminal protection set, in the groove
The metal Coupling piece is set in structure.
6. the band spreading structure of terminal antenna according to claim 3, it is characterised in that the metal Coupling piece passes through
The fixation of the terminal protection set is kept not in contact with state with the antenna radiator.
7. the band spreading structure of terminal antenna according to claim 3, it is characterised in that on terminal protection set
Through hole is equipped with the position corresponding with the metal Coupling piece, causes that the metal Coupling piece stretches out one by the through hole
Metal clips, the metal clips is connected with the antenna radiator of stating.
8. the band spreading structure of terminal antenna according to claim 3, it is characterised in that on terminal protection set
Through hole is equipped with the position corresponding with the metal Coupling piece, causes that the metal Coupling piece stretches out one by the through hole
Metal thimble, the metal thimble is connected with the antenna radiator of stating.
9. the band spreading structure of the terminal antenna according to any one of claim 1 to 8, it is characterised in that the tuning
Switch is specially two-way tuning switch, wherein, what the two-way tuning switch can be different from two by the antenna radiator
Capacitance is connected.
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CN201611246858.1A CN106785419A (en) | 2016-12-29 | 2016-12-29 | A kind of band spreading structure of terminal antenna |
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CN201611246858.1A CN106785419A (en) | 2016-12-29 | 2016-12-29 | A kind of band spreading structure of terminal antenna |
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CN201611246858.1A Pending CN106785419A (en) | 2016-12-29 | 2016-12-29 | A kind of band spreading structure of terminal antenna |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107230823A (en) * | 2017-06-16 | 2017-10-03 | 昆山睿翔讯通通信技术有限公司 | A kind of antenna system based on all-metal back-cover smart mobile phone |
CN107453056A (en) * | 2017-06-22 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | Antenna system and communication apparatus |
CN109066057A (en) * | 2018-09-28 | 2018-12-21 | 深圳市信维通信股份有限公司 | One kind is based on metal edge frame three-in-one antenna under small headroom |
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US20140323063A1 (en) * | 2013-04-26 | 2014-10-30 | Apple Inc. | Methods for Manufacturing an Antenna Tuning Element in an Electronic Device |
CN105433567A (en) * | 2014-06-24 | 2016-03-30 | 联想(北京)有限公司 | Electronic device protective sleeve and combination equipment |
CN106058436A (en) * | 2016-08-04 | 2016-10-26 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
CN106252875A (en) * | 2016-09-30 | 2016-12-21 | 努比亚技术有限公司 | A kind of antenna structure and electronic equipment |
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US20140323063A1 (en) * | 2013-04-26 | 2014-10-30 | Apple Inc. | Methods for Manufacturing an Antenna Tuning Element in an Electronic Device |
CN105433567A (en) * | 2014-06-24 | 2016-03-30 | 联想(北京)有限公司 | Electronic device protective sleeve and combination equipment |
CN106058436A (en) * | 2016-08-04 | 2016-10-26 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
CN106252875A (en) * | 2016-09-30 | 2016-12-21 | 努比亚技术有限公司 | A kind of antenna structure and electronic equipment |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107230823A (en) * | 2017-06-16 | 2017-10-03 | 昆山睿翔讯通通信技术有限公司 | A kind of antenna system based on all-metal back-cover smart mobile phone |
CN107230823B (en) * | 2017-06-16 | 2019-11-08 | 昆山睿翔讯通通信技术有限公司 | A kind of antenna system based on all-metal back-cover smart phone |
CN107453056A (en) * | 2017-06-22 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | Antenna system and communication apparatus |
CN107453056B (en) * | 2017-06-22 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Antenna system and communication equipment |
CN109066057A (en) * | 2018-09-28 | 2018-12-21 | 深圳市信维通信股份有限公司 | One kind is based on metal edge frame three-in-one antenna under small headroom |
CN109066057B (en) * | 2018-09-28 | 2023-12-19 | 深圳市信维通信股份有限公司 | Three-in-one antenna based on metal frame under small clearance |
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