CN106384868A - Terminal antenna frequency band extension structure - Google Patents
Terminal antenna frequency band extension structure Download PDFInfo
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- CN106384868A CN106384868A CN201610864902.9A CN201610864902A CN106384868A CN 106384868 A CN106384868 A CN 106384868A CN 201610864902 A CN201610864902 A CN 201610864902A CN 106384868 A CN106384868 A CN 106384868A
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- China
- Prior art keywords
- coupling piece
- terminal
- metal
- described metal
- antenna radiator
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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
- H01Q1/12—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
- H01Q1/243—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 with built-in antennas
- H01Q1/244—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 with built-in antennas extendable from a housing along a given path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Abstract
The invention discloses a terminal antenna frequency band extension structure comprising a metal rear cover and a metal middle frame. The metal middle frame is arranged around the metal rear cover. The bottom part of the metal rear cover and the metal middle frame is separated by seams so that the bottom part of the metal middle frame is enabled to act as an antenna radiator. The antenna radiator is provided with a grounding point, a feed point and a switch which connects the antenna radiator and the metal rear cover. The antenna radiator is enabled to generate low frequency band bandwidth and high frequency band bandwidth through resonance by controlling disconnection and connection of the switch. The terminal antenna frequency band extension structure also comprises a metal coupling sheet which is arranged at the target position around the feed point so as to extend the low frequency band bandwidth or the high frequency band bandwidth through coupling between the metal coupling sheet and the antenna radiator, wherein the metal coupling sheet is parallel to the bottom part of the metal rear cover.
Description
Technical field
The present invention relates to antenna technology, the band spreading structure of more particularly, to a kind of terminal antenna.
Background technology
With forth generation (4G, 4thGeneration) the developing rapidly of mechanics of communication, current mobile terminal is also increasingly
How support 4G network, such as Long Term Evolution (LTE, Long Term Evolution) network, this be accomplished by antenna have wider
The demand to meet user for the bandwidth.On the other hand, with the popularization further of 4G terminal, 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..For this reason, many cell phone manufacturers push away
Go out metal type, wherein all-metal integrated mobile phone enjoys consumer to like because it is attractive in appearance, structural strength is big, heat conductivility is superior
Love.All-metal mobile phone, while lifting mobile phone texture, class, also because metal has natural signal shielding characteristic, reduces
The performance of antenna, in order to not affect the experience of user, meets 4G standard, this also just brings huge choosing to Antenna Design simultaneously
War.
The design to antenna for the existing mobile terminal, the bandwidth that can reach low-frequency range GSM800/900 covers, high band
The bandwidth of DCS/PCS/UMTS/LTE2300/2500 covers, and the restriction for fear of mobile terminal structure design is so that extended antenna again
Frequency range have very big difficulty, however, under some application scenarios, needing mobile terminal to further expand frequency range, 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 limit
When, how the frequency range of extended antenna is the problem of urgent need to resolve.
Content of the invention
For solving above-mentioned technical problem, embodiments provide a kind of band spreading structure of terminal antenna, can
While meeting mobile terminal structure design limit, 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, the surrounding of described metal back cover is provided with described metal center, described metal back cover
Separated so that antenna radiator is used as in the bottom of described metal center by gap with the bottom of described metal center, wherein, institute
State and earth point, distributing point and the switch connecting described antenna radiator and described metal back cover are provided with antenna radiator；
By controlling disconnection and the conducting of described switch, resonance goes out low frequency band bandwidth and high frequency respectively can to make described antenna radiator
Band bandwidth；
Metal Coupling piece, described metal Coupling piece is arranged on the target location of described distributing point periphery, with by described
Couple expansion low-frequency band bandwidth or high-frequency band bandwidth, wherein, institute between metal Coupling piece and described antenna radiator
State metal Coupling piece parallel with the bottom of described metal back cover.
In the embodiment of the present invention, described metal Coupling piece is arranged on terminal protection and puts, and described terminal protection set can cover
It is located at the terminal back that described metal back cover and metal center are formed；
When described terminal protection set is set in terminal back, described metal Coupling piece is located at the mesh of described distributing point periphery
At cursor position.
In the embodiment of the present invention, described metal Coupling piece is arranged on the outer surface of described terminal protection set；Or,
Described metal Coupling piece is arranged on the inside of described terminal protection set；Or,
Described metal Coupling piece is arranged on the inner surface of described terminal protection set.
In the embodiment of the present invention, the inner surface that described metal Coupling piece is arranged on described terminal protection set refers to：Described
The inner surface of terminal protection set has groove structure, arranges described metal Coupling piece in described groove structure.
In the embodiment of the present invention, fixation and described antenna radiator that described metal Coupling piece is covered by described terminal protection
Keep not in contact with state.
In the embodiment of the present invention, described terminal protection set is equipped with the position corresponding with described metal Coupling piece
Through hole, makes described metal Coupling piece stretch out a metal clips by described through hole, described metal clips states antenna spoke with described
Beam is connected.
In the embodiment of the present invention, described terminal protection set is equipped with the position corresponding with described metal Coupling piece
Through hole, makes described metal Coupling piece stretch out a metal thimble by described through hole, described metal thimble states antenna spoke with described
Beam is connected.
In the embodiment of the present invention, when described switching off, described antenna radiator is not connected with described metal back cover, institute
State antenna radiator resonance and go out low frequency band bandwidth.
In the embodiment of the present invention, when described switch conduction, described antenna radiator is connected with described metal back cover, described
Antenna radiator resonance goes out high-frequency band bandwidth.
In the technical scheme of the embodiment of the present invention, the band spreading structure of terminal antenna includes：In metal back cover and metal
Frame, the surrounding of described metal back cover is provided with described metal center, and the bottom of described metal back cover and described metal center is passed through
Gap separates so that the bottom of described metal center, as antenna radiator, wherein, described antenna radiator is provided with ground connection
Point, distributing point and the switch connecting described antenna radiator and described metal back cover；By control described switch disconnection with
Conducting, resonance goes out low frequency band bandwidth and high-frequency band bandwidth respectively can to make described antenna radiator；Metal Coupling piece, described
Metal Coupling piece is arranged on the target location of described distributing point periphery, with by described metal Coupling piece and described aerial radiation
Coupling between body comes expansion low-frequency band bandwidth or high-frequency band bandwidth, wherein, after described metal Coupling piece and described metal
The bottom of lid is parallel.Using the technical scheme of the embodiment of the present invention, on the premise of not changing terminal existing design, by using
The metal Coupling piece (may be provided in terminal protection set) that one is matched with terminal the working frequency range of antenna is extended.
Brief description
Fig. 1 is the hardware architecture diagram of an optional mobile terminal realizing each embodiment of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the structure of the terminal antenna under the embodiment of the invention；
Fig. 4 is the band spreading structure of the terminal antenna under the embodiment of the invention；
Fig. 5 is the antenna standing wave return loss figure of the embodiment of the present invention.
Specific embodiment
Realize the mobile terminal of each embodiment of the present invention 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 does not have specific meaning.Therefore, " module " and " part " can mixedly use.
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the embodiment of the present invention can include all
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 fixed terminal of the mobile terminal of guider etc. and such as digital TV, desk computer etc..Below, false
If terminal is mobile terminal.However, it will be understood by those skilled in the art that, except be used in particular for mobile 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 realizing each embodiment of the present invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, audio/video (A/V) input block 120, user input
Unit 130, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 illustrates
There is the mobile terminal of various assemblies, it should be understood that be not required for implementing all assemblies illustrating.Can be alternatively
Implement more or less of assembly.Will be discussed in more detail below the element of mobile terminal.
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 generating before the server of broadcast singal and/or broadcast related information or reception and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singal, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combining with TV or radio signals.Broadcast phase
Pass information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.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 receipt signal broadcast of type.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),
The Radio Data System of forward link media (MediaFLO, Media Forward Link Only), received terrestrial digital broadcasting are comprehensive
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 being adapted to provide for broadcast singal
And above-mentioned digit broadcasting system.Via broadcasting reception module 111, the broadcast singal receiving and/or broadcast related information can be deposited
Storage is in memorizer 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 include voice and lead to
Words signal, video calling signal or the various types of data 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.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this 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 accesses (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, RF identification (RFID, Radio Frequency Identification), Infrared Data Association (IrDA, Infrared
Data Association), ultra broadband (UWB, Ultra Wideband), purple honeybee etc..
Location information module 115 be for check or obtain mobile terminal positional information module.Location information module
Typical case be global positioning system (GPS, Global Positioning System).According to current technology, as
The location information module 115 of GPS calculate from the range information of three or more satellites and correct time information and for
The Information application triangulation calculating, thus calculate three-dimensional current location information according to longitude, latitude and highly accurately.When
Before, the method for calculating position and temporal information uses three satellites and calculates by using an other satellite correction
The position going out and the error of temporal information.Additionally, the location information module 115 as GPS can be by Continuous plus in real time
Current location information carrys out calculating speed information.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He
Mike 122, camera 121 is to the static images being obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video is processed.Picture frame after process may be displayed on display unit 151.Process through camera 121
Picture frame afterwards can be stored in memorizer 160 (or other storage medium) or carry out sending out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Mike 122 can be in telephone calling model, note
Sound (voice data) is received via mike in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
It is sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise that (or suppression) produces in reception with during sending audio signal or to do
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 touched and lead to resistance, pressure, the change of electric capacity etc. sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Interface unit 170 is connected, with mobile terminal 1 00, the interface that can pass through 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 of device for connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage for verifying that user uses each of mobile terminal 1 00
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 with mobile terminal 1 00 via port or other attachment means.Interface unit 170
Can be used for receiving the input (for example, data message, electric power etc.) being derived from external device (ED) and transmitting the input receiving
One or more elements in mobile terminal 1 00 or can be used for transmission 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 the path of mobile terminal 1 00 from base or can serve as allowing the various command signals from base input to pass through it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from the various command signals of base input or electric power
The no signal being accurately fitted within base.Output unit 150 is configured to defeated with the offer of vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include showing
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processing in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show (for example, text messaging, the multimedia file that communicate with call or other
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, UI or GUI of video or image and correlation function etc. is shown.
Meanwhile, when display unit 151 and the touch pad touch screen with formation superposed on one another as a layer, display unit
151 can serve as input equipment 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.
At least one.Some in these display may be constructed such that transparence to allow user from outside viewing, 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
The specific embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display device), example
As mobile terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for examining
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,
When under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide and move
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation of terminal 100 execution.
Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 1 00.Typical event is permissible
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video output, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, enters when communicating (incoming communication) when receiving calling, message or some other, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of 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.
Memorizer 160 can store software program of the process being executed by controller 180 and control operation etc., or can
Temporarily to store the data (for example, telephone directory, message, still image, video etc.) having exported or will having exported.And
And, memorizer 160 can be to store the vibration of various modes with regard to exporting and audio signal when touching and being applied to touch screen
Data.
Memorizer 160 can include the storage medium of at least one type, and described storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizer etc.), random access storage device (RAM, Random Access
Memory), static random-access memory (SRAM, Static Random Access Memory), read only memory (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 execute memorizer with by network connection
The network storage device cooperation of 160 store function.
Controller 180 generally controls the overall operation of mobile terminal.For example, controller 180 execution and voice call, data
The related control of communication, video calling etc. and process.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 construct in controller 180, or it is so structured that and controls
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executing 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
Suitable electric power needed for part and assembly.
Various embodiment described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.Hardware is implemented, embodiment 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 execute described herein
The electronic unit of function at least one implementing, in some cases, such embodiment can be in controller 180
Middle enforcement.Software is implemented, the embodiment of such as process or function can at least one function or operation with permission execution
Single software module implementing.Software code can be by the software application write with any suitable programming language
(or program) implementing, software code can be stored in memorizer 160 and be executed by controller 180.
So far, describe mobile terminal according to its function.Below, for the sake of brevity, will describe 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 as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system being operable to referring now to Fig. 2 description mobile terminal wherein according to embodiments of the present invention.
Such communication system can use different air interfaces 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, as LTE), global system for mobile communications (GSM) etc..As non-limiting example, explained below 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 couple via back haul link
BSC275 to base station 270 forms interface.Back haul link can construct according to any one in some known interfaces, 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 the sky of multidirectional antenna or sensing specific direction
Each subregion that line covers is radially away from BS 270.Or, each subregion can be by for two of diversity reception or more
Multiple antennas cover.Each BS 270 may be constructed such that support multiple frequency distribution, and the distribution of each frequency has specific frequency
Spectrum (for example, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed 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, special
The each subregion determining BS 270 can be referred to as multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to by broadcsting transmitter (BT, Broadcast Transmitter) 295
The mobile terminal 1 00 of operation in system.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to connect as shown in Figure 1
Receive the broadcast singal being sent by BT295.In fig. 2 it is shown that several satellites 300, for example, can adopt global positioning system
(GPS) satellite 300.Satellite 300 helps position at least one of multiple mobile terminal 1s 00.
In fig. 2, depict multiple satellites 300, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.Location information module 115 as GPS is generally configured to coordinate with satellite 300 to obtain as shown in Figure 1
The location information that must want.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use can follow the tracks of mobile whole
Other technology of the position at end.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb passing
Defeated.
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 certain base station 270 reception
Reverse link signal is processed in specific BS 270.The data obtaining is forwarded to the BSC275 of correlation.BSC provides logical
Words resource allocation and the mobile management function of including the coordination of soft switching process between BS 270.BSC275 also will receive
Data is 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.
In mobile terminal, the mobile communication module 112 of wireless communication unit 110 is moved based on the built-in access of mobile terminal
The necessary data of communication network (as mobile communications networks such as 2G/3G/4G) accesses (including customer identification information and authentication information)
The business transmission mobile data (bag such as mobile communications network is the web page browsing of mobile phone users, network multimedia broadcasting
Include up mobile data and descending mobile data).
The wireless Internet module 113 of wireless communication unit 110 reality by the related protocol function of operation hotspot
The function of existing hotspot, hotspot supports that multiple mobile terminals (any mobile terminal outside mobile terminal) access, and leads to
Cross multiplexing mobile communication module 112 and mobile communications network between mobile communication be connected as mobile phone users webpage clear
Look at, network multimedia is play etc., and business transmits mobile data (includes up mobile data and descending movement is led to
Letter data), it is connected transmission movement because mobile terminal is substantially the mobile communication being multiplexed between 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, thus consume the data flow of mobile data that the post and telecommunication tariff that mobile terminal signing uses includes
Amount.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the present invention is proposed.
Embodiments provide a kind of band spreading structure of terminal antenna, including：Metal back cover and metal center,
The surrounding of described metal back cover is provided with described metal center, and gap is passed through in the bottom of described metal back cover and described metal center
Separate so that the bottom of described metal center is as antenna radiator, wherein, described antenna radiator is provided with earth point,
Distributing point and the switch connecting described antenna radiator and described metal back cover；By control described switch disconnection with lead
Logical, resonance goes out low frequency band bandwidth and high-frequency band bandwidth respectively can to make described antenna radiator；Metal Coupling piece, described gold
Belong to the target location that coupling piece is arranged on described distributing point periphery, with by described metal Coupling piece and described antenna radiator
Between coupling come expansion low-frequency band bandwidth or high-frequency band bandwidth, wherein, described metal Coupling piece and described metal back cover
Bottom parallel.Using the technical scheme of the embodiment of the present invention, on the premise of not changing terminal existing design, by using one
The individual metal Coupling piece (may be provided in terminal protection set) matching with terminal the working frequency range of antenna is extended.
In order to more clearly understand the structure of the terminal antenna being related in the embodiment of the present invention, below first to terminal antenna
Structure elaborate.
, from outward appearance, its upper and lower metal is still wide, usually 5mm to 15mm for current all-metal terminal,
Thus causing nonconductive plastic material region at breaking joint substantially, to have a strong impact on terminal appearance.For this reason, the embodiment of the present invention proposes one
Plant all-metal LTE 18 frequency intelligent terminal's antenna, the width of the upper and lower metal of terminal can be reduced.
Fig. 3 is the structure of the terminal antenna under the embodiment of the invention, as shown in figure 3, embodiment of the present invention base
Carry out designing antenna in the bottom (also referred to as bottom metal frame 3) of metal center, the degree of bottom metal frame 3 is 0.6mm, is highly
5mm, effective length is 86mm；It is connected by nonconductive plastic material region 4 between bottom metal frame 3 and metal back cover 1, non-conductive mould
The width in material region 4 is 2mm, designs with certain radian that has been connected by of bottom metal frame 3, subtracts further in visual aspects
Its width little；The height of side metal frame 2 is 5mm；The size of metal back cover 1 is 138mm × 71mm × 0.3mm, from the back side
See that the metal accounting of whole metal back cover 1 is up to 95%, the integrated visual impact of all-metal outward appearance can be met well.
In sum, the embodiment of the present invention is used as antenna radiator by making full use of bottom metal frame, makes non-conductive
Plastic areas as much as possible to bottom movement, so that common three-stage is designed and be in close proximity to all-metal integration
Design.
The terminal antenna of the embodiment of the present invention can provide LTE/ wireless wide area network (WWAN, Wireless Wide Area
Network) the communication bandwidth requirements of seven pattern 18 frequency range, by adopting Reconfiguration Technologies, the switching using switch can be effective
Realize the covering of entirely high, medium and low frequency range, concrete methods of realizing is as follows：
5 is the distributing point (also referred to as feed port) of antenna, and 8 is the matching network and tune before signal source enters distributing point 5
Humorous network, 6 is the dead earth point connecting antenna radiator 3 and metal back cover 1, and 7 is to connect antenna radiator 3 and metal back cover
1 gate-controlled switch.When switch in the conduction state when, it has a corresponding inductance value, now by adjust matching network and
The parameter value of tuning network 8, achievable antenna is high, intermediate frequency DCS/PCS/WCDMA I/WCDMA, II/TD-SCDMA A/TD-SCDMA
The covering of F/LTE1/LTE3/LTE7/LTE38/LTE39/LTE40/LTE41；When switch is off, its inductance value is
Zero, now only need to change certain capacitance in tuning network, just can achieve the switching to low frequency, CDMA BCO/ can be covered
GSM850/GSM900/WCDMAⅤ/WCDMAⅧ.
Each size in the antenna structure of the embodiment of the present invention all can flexibly be arranged.
Fig. 4 is the band spreading structure of the terminal antenna under the embodiment of the invention, as shown in figure 4, described knot
Structure includes：
Metal back cover 1 and metal center 2, the surrounding of described metal back cover 1 is provided with described metal center 2, described metal
Bonnet 1 is separated by gap 4 so that antenna radiator is used as in the bottom of described metal center 2 with the bottom of described metal center 2
3, wherein, described antenna radiator 3 is provided with earth point 6, distributing point 5 and connects described antenna radiator 3 and described gold
Belong to the switch 7 of bonnet 1；By controlling disconnection and the conducting of described switch 7, resonance goes out respectively can to make described antenna radiator 3
Low frequency band bandwidth and high-frequency band bandwidth；
Metal Coupling piece 9, described metal Coupling piece 9 is arranged on the target location of described distributing point 5 periphery, with by institute
State and couple expansion low-frequency band bandwidth or high-frequency band bandwidth between metal Coupling piece 9 and described antenna radiator 3, its
In, described metal Coupling piece 9 is parallel with the bottom of described metal back cover 1.
In the embodiment of the present invention, described metal Coupling piece 9 is arranged on terminal protection and puts, and described terminal protection set can cover
It is located at the terminal back that described metal back cover 1 and metal center 2 are formed；
When described terminal protection set is set in terminal back, described metal Coupling piece 9 is located at described distributing point 5 periphery
Target location.
Here, terminal protection set can be made using soft plastic material, it would however also be possible to employ rigid plastics are made.
In the embodiment of the present invention, described metal Coupling piece 9 is arranged on the outer surface of described terminal protection set；Or,
Described metal Coupling piece 9 is arranged on the inside of described terminal protection set；Or,
Described metal Coupling piece 9 is arranged on the inner surface of described terminal protection set.
In the embodiment of the present invention, the inner surface that described metal Coupling piece 9 is arranged on described terminal protection set refers to：Described
The inner surface of terminal protection set has groove structure, arranges described metal Coupling piece 9 in described groove structure.
In this embodiment, fixation and described aerial radiation that described metal Coupling piece 9 is covered by described terminal protection
Body 3 keeps not in contact with state.This mode is referred to as the bottom coupled modes of metal Coupling piece 9.
In this another embodiment, described terminal protection set is worn at the position corresponding with described metal Coupling piece 9
It is provided with through hole, make described metal Coupling piece 9 stretch out a metal clips by described through hole, described metal clips states sky with described
Beta radiation body 3 is connected.This mode is referred to as the bottom short circuit mode of metal Coupling piece 9.
In the embodiment of the present invention, described terminal protection set wears at the position corresponding with described metal Coupling piece 9
There is through hole, make described metal Coupling piece 9 stretch out a metal thimble by described through hole, described metal thimble states antenna with described
Radiant body 3 is connected.
In the embodiment of the present invention, when described switch 7 disconnects, described antenna radiator 3 is not connected with described metal back cover 1
Connect, described antenna radiator 3 resonance goes out low frequency band bandwidth.
In the embodiment of the present invention, when described switch 7 conducting, described antenna radiator 3 is connected with described metal back cover 1,
Described antenna radiator 3 resonance goes out high-frequency band bandwidth.
In such scheme, the operation principle of metal Coupling piece 9 is：By coupling of metal Coupling piece 9 and antenna radiator 3
Effect, by increasing capacitance it is possible to increase the effective length of the electric current of low frequency branch or high-frequency branch reaches working frequency range A so as to meet antenna size
Quarter-wave, so, working frequency range A is extended frequency range, such as 700Mhz.
Taking realize the effective length in low-frequency antenna branch current path as a example, metal Coupling piece 9 is bottom short circuit mode, gold
Belonging to coupling piece 9 away from terminal width W is 2mm, and length L of metal Coupling piece 9 is 60mm, then shown in antenna standing wave return loss figure reference Fig. 5,
As shown in figure 5, after adding metal Coupling piece 9, the low frequency branch of antenna radiator 3 being allowed to produce with sheet metal and to couple work
With so that low frequency operation is in 700MHz.High-frequency resonant is not significantly affected simultaneously.
Between technical scheme described in the embodiment of the present invention, in the case of not conflicting, can be in any combination.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.
Claims (9)
1. a kind of band spreading structure of terminal antenna is it is characterised in that described structure includes：
Metal back cover and metal center, the surrounding of described metal back cover is provided with described metal center, described metal back cover and institute
The bottom stating metal center is separated so that antenna radiator is used as in the bottom of described metal center by gap, wherein, described sky
Earth point, distributing point and the switch connecting described antenna radiator and described metal back cover are provided with beta radiation body；Pass through
Control disconnection and the conducting of described switch, resonance goes out low frequency band bandwidth and high-frequency band respectively can to make described antenna radiator
Bandwidth；
Metal Coupling piece, described metal Coupling piece is arranged on the target location of described distributing point periphery, with by described metal
Couple expansion low-frequency band bandwidth or high-frequency band bandwidth, wherein, described gold between coupling piece and described antenna radiator
Belong to coupling piece parallel with the bottom of described metal back cover.
2. the band spreading structure of terminal antenna according to claim 1 is it is characterised in that described metal Coupling piece is arranged
On terminal protection set, described terminal protection set can be set in the terminal back of the body that described metal back cover and metal center are formed
Portion；
When described terminal protection set is set in terminal back, described metal Coupling piece is located at the target position of described distributing point periphery
Put place.
3. terminal antenna according to claim 2 band spreading structure it is characterised in that
Described metal Coupling piece is arranged on the outer surface of described terminal protection set；Or,
Described metal Coupling piece is arranged on the inside of described terminal protection set；Or,
Described metal Coupling piece is arranged on the inner surface of described terminal protection set.
4. the band spreading structure of terminal antenna according to claim 3 is it is characterised in that described metal Coupling piece is arranged
Refer in the inner surface of described terminal protection set：In the inner surface of described terminal protection set, there is groove structure, in described groove
Described metal Coupling piece is set in structure.
5. the band spreading structure of terminal antenna according to claim 2 is it is characterised in that described metal Coupling piece passes through
The fixation of described terminal protection set is kept not in contact with state with described antenna radiator.
6. terminal antenna according to claim 2 band spreading structure it is characterised in that described terminal protection set on
It is equipped with through hole at the position corresponding with described metal Coupling piece, make described metal Coupling piece stretch out one by described through hole
Metal clips, described metal clips is connected with described antenna radiator of stating.
7. terminal antenna according to claim 2 band spreading structure it is characterised in that described terminal protection set on
It is equipped with through hole at the position corresponding with described metal Coupling piece, make described metal Coupling piece stretch out one by described through hole
Metal thimble, described metal thimble is connected with described antenna radiator of stating.
8. the band spreading structure of terminal antenna according to claim 1 is it is characterised in that when described switching off,
Described antenna radiator is not connected with described metal back cover, and described antenna radiator resonance goes out low frequency band bandwidth.
9. the band spreading structure of terminal antenna according to claim 1 is it is characterised in that when described switch conduction,
Described antenna radiator is connected with described metal back cover, and described antenna radiator resonance goes out high-frequency band bandwidth.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021114343A1 (en) * | 2019-12-12 | 2021-06-17 | 惠州Tcl移动通信有限公司 | Mobile terminal |
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