CN102780065B - Antenna module and mobile terminal - Google Patents

Antenna module and mobile terminal Download PDF

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Publication number
CN102780065B
CN102780065B CN201110123006.4A CN201110123006A CN102780065B CN 102780065 B CN102780065 B CN 102780065B CN 201110123006 A CN201110123006 A CN 201110123006A CN 102780065 B CN102780065 B CN 102780065B
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CN
China
Prior art keywords
described
antenna
mobile terminal
radiating element
antenna port
Prior art date
Application number
CN201110123006.4A
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Chinese (zh)
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CN102780065A (en
Inventor
宋玉明
刘君英
潘生根
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泰科电子(上海)有限公司
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Priority to CN201110123006.4A priority Critical patent/CN102780065B/en
Publication of CN102780065A publication Critical patent/CN102780065A/en
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Publication of CN102780065B publication Critical patent/CN102780065B/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H01Q9/0457Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line

Abstract

The present invention relates to for the antenna module of mobile terminal and use the mobile terminal of such antenna module.The basic thought of the present invention is to be used as the radiating element of its antenna system by the conductive enclosure of mobile terminal.In one embodiment of the invention, it is provided that a kind of antenna module for mobile terminal (20), it is characterised in that including: radiating element (206), it is integrated in the lid of described mobile terminal and is made up of conductive material;Described radiating element includes at least one antenna port formed thereon (261,262);Wherein, when described lid is anchored on described mobile terminal, described antenna port can encourage described radiating element to work in multiple frequency range.This design can reduce the number of the stand-alone antenna in existing mobile terminal, therefore can further realize the miniaturization of mobile terminal.

Description

Antenna module and mobile terminal

Technical field

The present invention relates to a kind of antenna technology, particularly relate to a kind of antenna sets for mobile terminal Part.

Background technology

While its profile develops towards miniaturization and ultrathin day by day, the merit of mobile terminal Can be the most increasingly sophisticated, need to meet various communications protocols and standard simultaneously.These trend one side Face makes the space that in mobile terminal, antenna element can take more and more less, on the other hand, to only The performance of the antenna occupying the confined space is but constantly proposing higher requirement, i.e. requires antenna System keeps high performance duty on more multiband, more broadband.And antenna conduct One with the element of frequency dependence, its radiance to its shared by space size be directly proportional.Narrow Little space will limit the radiance of antenna so that it is is difficult to meet the performance requirement of system.

If mobile terminal generally includes separate dry aerial.Especially, at mobile phone terminal In, traditionally these antenna is divided into main antenna and auxiliary antenna, wherein main antenna by function It is the antenna of the communication protocol supporting cellular system, such as GSM, CDMA, WCDMA Deng.Auxiliary antenna can be to support GPS (global positioning system), bluetooth, wireless local The antenna of the different frequency range signals such as net WLAN, mobile TV or FM frequency modulation broadcasting, also Can be to support multiple-input and multiple-output (MIMO) technology or the slave antenna of signal diversifying technology. Owing to each antenna all occupies the internal certain space of mobile terminal, so that whole antenna The space that system occupies is the most considerable.And to each antenna element, due to its occupied area, Highly, the restriction of the factor such as headroom, and the impact of the parts such as housing so that it is radiance It is extremely difficult to excellent level, eventually affects the communication quality of system.

It addition, in mobile terminal particularly mobile phone terminal field, metal shell is due to its texture Increasingly favored by consumer with durability.Use metal material as phone housing Become a kind of trend.Conventional way is by the circuit board in this metal shell and mobile terminal Floor be electrically connected so that it is become the part on the ground of system.In order to prevent metal-back The signal of built-in aerial is caused shielding by body, corresponds to the position of built-in aerial at metal shell Perforate or groove are so that the signal of antenna can radiate.This mode is due to the week at antenna Enclose and adds additional a bigger metal parts, it will usually the performance of antenna is caused and compares Big adverse effect.

Summary of the invention

The basic thought of the present invention is as its aerial radiation using the conductive enclosure of mobile terminal Body is used.Pass through its profile and feed port position, the design of energisation mode, Conductive enclosure can realize channel radio as antenna radiator in one or more frequency ranges Letter.

In the present invention, similar micro-strip patch is formed between the ground in metal shell and mobile terminal The structure of chip antenna.

Micro-strip paster antenna is that patch adds conductor sheet on the dielectric substrate with conductor earth plate And the antenna formed, fed in position by microstrip line or coaxial cable, Encouraged radio frequency electromagnetic field between conductor sheet and earth plate, and by conductor sheet surrounding with Gap between earth plate is to external radiation, and it is high that micro-strip paster antenna has radiance, it is easy to altogether Shape, antenna form is flexible, it is easy to accomplish the advantages such as circular polarisation, dual polarization, multiple-frequency operation. But owing to its space taken is relatively big, common mobile terminal seldom uses microband paste Antenna.

Based on above-mentioned principle, printed circuit board (PCB) in metal shell in the present invention and mobile terminal Floor between form the structure of similar micro-strip paster antenna.Its frequency range and pattern can be passed through The shape of shell and feed placement and feeding classification are designed and realize.In existing design Also there is the scheme on mobile terminal appearance member that is integrated in by antenna, such as by the gold of mobile terminal Belong to the part of frame as antenna.But these design in use antennas be unipole antenna, Antenna form traditional in the mobile terminals such as loop aerial or inverse-F antenna (IFA), and, Shell in these designs is all plastic material, only in frame region embedded with metal material conduct The radiating element of antenna.

In one embodiment of the invention, it is provided that a kind of antenna sets for mobile terminal Part, it is characterised in that including: radiating element, it is integrated in the lid of described mobile terminal And it is made up of conductive material;Described radiating element includes that at least one is formed thereon Antenna port;Wherein, when described lid is anchored on described mobile terminal, described antenna end Mouth can encourage described radiating element to work in multiple frequency range.

In one embodiment of the invention, the antenna module for mobile terminal also includes institute State the floor of printed circuit board (PCB) in mobile terminal.Radiating element forms similar micro-strip with floor The structure of paster antenna.

In one embodiment of the invention, the antenna module for mobile terminal also include with Described antenna port at least one feed element one to one, described feed element and described Contact is used to connect or contactless connection between antenna port.

In one embodiment of the invention, for multiple works of antenna module of mobile terminal Include as frequency range the combination in any of frequency range corresponding to following communication protocol: GPS, bluetooth, WiFi, frequency modulation broadcasting, mobile TV, GSM, CDMA, WCDMA, TD-SCDMA, LTE、WiMAX。

In another embodiment of the present invention, in the antenna module of mobile terminal, spoke Penetrate the antenna port on unit and at least include a multifrequency antenna port, this multifrequency antenna port Described radiating element can be encouraged to work in the son of multiple working frequency range of antenna module Collection, this subset includes at least two frequency range in the plurality of working frequency range.

In another embodiment of the present invention, in the antenna module of mobile terminal, spoke Penetrate the antenna port on unit and include multiple antenna port;Wherein, the plurality of antenna port In each described radiating element can be encouraged to work in different frequency ranges.

In one embodiment of the invention, it is provided that a kind of antenna sets for mobile terminal Part, it is characterised in that including: radiating element, it is integrated in the lid of described mobile terminal And it is made up of conductive material;Described radiating element includes multiple antenna formed thereon Port;Wherein, when described lid is anchored on described mobile terminal, the plurality of antenna end Mouth can encourage described radiating element to work in same frequency range.

In one embodiment of the invention, the antenna module for mobile terminal also includes institute State the floor of printed circuit board (PCB) in mobile terminal.Radiating element forms similar micro-strip with floor The structure of paster antenna.

In one embodiment of the invention, the antenna module for mobile terminal also include with The most multiple feed element of the plurality of antenna port, described feed element and described Contact is used to connect or contactless connection between antenna port.

In one embodiment of the invention, multiple antenna end of the antenna module of mobile terminal At least two in Kou can encourage described radiating element to work in the orthogonal mode of same frequency range Formula.

In one embodiment of the invention, for the radiation list of antenna module of mobile terminal The outer surface of unit also covers one layer of electric insulation layer, to reduce user contact radiation further Unit and adverse effect that performance for wireless communications is caused.

In one embodiment of the invention, in the antenna module of mobile terminal, radiation The conductive material that unit uses includes metal, conductive plastics or conductive rubber.

In one embodiment of the invention, it is provided that a kind of mobile terminal, it includes aforementioned Antenna module described in any embodiment.

In one embodiment of the invention, mobile terminal also includes being connected to multifrequency antenna end One gating unit (switch element, duplexer or multiplexer) of mouth.

It can be seen that pass through external at multiple diverse locations from the embodiment that the present invention is given Shell encourages, and skin antenna can produce the resonance covering multiple wireless communication frequency bands, and Each resonance band all can obtain excellent radiation efficiency, permissible between each antenna port Realize good isolation, the radio communication of multi-protocols can be carried out simultaneously.Outside due to metal The size of shell is relatively big, utilizes shell to be easily obtained higher free space as antenna radiator Radiation efficiency.The most this design can reduce the individual of the stand-alone antenna in existing mobile terminal Number, therefore can further realize the miniaturization of mobile terminal.

Accompanying drawing explanation

The detailed description that non-limiting example is made made with reference to the following drawings by reading, The other features, objects and advantages of the present invention will become more apparent:

Fig. 1 shows the decomposition of a part for mobile terminal according to an embodiment of the invention Structure chart;

Fig. 2 a shows a part for mobile terminal according to another embodiment of the invention Decomposition chart;

Fig. 2 b shows the plane graph of the radiating element of mobile terminal in Fig. 2 a;

Fig. 2 c shows the return loss plot of each antenna port in mobile terminal shown in Fig. 2 a;

Fig. 2 d shows the transmission coefficient curve of each antenna port in mobile terminal shown in Fig. 2 a;

Fig. 3 shows dividing of a part for mobile terminal according to another embodiment of the invention Unhitch composition;

Fig. 4 shows a part for mobile terminal according to another embodiment of the invention Building-block of logic;

Fig. 5 shows dividing of a part for mobile terminal according to another embodiment of the invention Unhitch composition;

Fig. 6 a shows radiating element in antenna module according to another embodiment of the invention Plane graph;

Fig. 6 b shows return loss and the transmission coefficient curve of antenna port shown in Fig. 6 a;

In the drawings, running through different diagrams, same or similar reference represents characteristic of correspondence.

Detailed description of the invention

Mobile terminal alleged in the present invention, contains any by a certain or multiple wireless The movable equipment of the portable or hand-held that agreement or standard communicate with other equipment, such as But be not limited to mobile phone, smart mobile phone, personal digital assistant (PDA), portable computer, Portable GPS terminal etc..

Fig. 1 shows dividing of a part for mobile terminal 10 according to an embodiment of the invention Unhitch composition.As it can be seen, the mobile terminal 10 in this embodiment includes front panel 103, printing In circuit board (PCB) 102, the bonnet 101 of electric conductivity, dielectric shell 104, independence Put antenna 105.Such as but not limited to, battery can be at least partially disposed at bonnet 101 and print Between printed circuit board 102.

The radiating element of one planar is integrated in the part on bonnet 101 as antenna module.? In some example, whole bonnet 101 can be as a radiating element.Generally, radiating element by Conductive material is constituted, such as metal, alloy, conductive plastics or conductive rubber.

Printed circuit board (PCB) 102 is additionally provided with feed element 151 and corresponding signal processing mould thereof Block 111, feed element 152 and corresponding signal processing module 112 thereof, feed element 153 and Its corresponding signal processing module 113.When bonnet 101 is anchored on mobile terminal 10, Mei Yikui Electric unit 151,152,153 can be fed by the respective antenna port on radiating element, With excitation radiation cell operation at least one frequency range.So, the radiation list of bonnet 101 it is integrated in Unit forms the structure of similar micro-strip paster antenna with the floor of printed circuit board (PCB) 102.In this embodiment, The corresponding mobile TV frequency range of feed element 151 to support mobile multi-media service, feed element 152 Corresponding working frequency range is Bluetooth band, and the working frequency range corresponding to feed element 153 is GPS Frequency range.

Based on the consideration in some design, independent built-in antenna 105 is still with the presence of its necessity. In this case, a part of region of mobile terminal 10 uses dielectric shell 104.Shell 104 are usually plastic material, in order to wireless signal Net long wave radiation is gone out by independent built-in antenna 105, Will not be shielded.

In various embodiments of the present invention, the work corresponding to each feed element (or antenna port) That makees that frequency range can include in the frequency range corresponding to following communication protocol is one or more: GPS, indigo plant Tooth, WiFi, frequency modulation broadcasting, mobile TV uhf band, S-band, GSM, CDMA, WCDMA、TD-SCDMA、LTE、WiMAX.For making signal effectively be sent to antenna end Mouthful, feed element includes the match circuit of necessity.

Fig. 2 a shows of mobile terminal 20 according to another embodiment of the invention The decomposition chart divided.Mobile terminal 20 in this embodiment includes printed circuit board (PCB) 202 He The radiating element 206 being integrated on lid (not shown).

Antenna port 261 and 262 is included on radiating element 206.

Feed element 251,252 and corresponding signal processing module is included on printed circuit board (PCB) 202 (not shown).In one end of printed circuit board (PCB) 202, not by radiating element 206 institute The region hidden is provided with a traditional antenna 208.Antenna 208 is such as but not limited to one pole Sub antenna, PIFA antenna.

Feed element 251 is corresponding to antenna port 261, by feeding to antenna port 261, Work with excitation radiation unit 206.Feed element 252, corresponding to antenna port 262, is passed through Feed to antenna port 262, work with excitation radiation unit 206.So, it is integrated in lid Radiating element 206 forms the structure of similar micro-strip paster antenna with the floor of printed circuit board (PCB) 202.

Between feed element 251 and antenna port 261, feed element 252 and antenna port 262 Between can use contact connect or contactless connection.Connecting for contact, feed is single Unit can use pogo pin (pogo pin) or the form of elastomeric connector (spring clip). For contactless connection, use between feed element and respective antenna port such as but do not limit In capacity coupled form.In other embodiments of the present invention, feed element can also It is arranged on lid.

Fig. 2 b shows the plane graph of the radiating element 206 of mobile terminal 20 in Fig. 2 a;Fig. 2 c Show each antenna or the return loss plot of antenna port in mobile terminal 20 shown in Fig. 2 a;Figure 2d shows the transmission coefficient curve of each antenna or antenna port in mobile terminal 20 shown in Fig. 2 a.

As shown in Figure 2 b, radiating element 206 is rectangle, size be 45mm (x-axis) × 75mm (y-axis).With the lower right corner of radiating element 206 shown in scheming as zero, antenna The coordinate of the center of port 261 is (43mm, 22mm), antenna port 262 The coordinate of center is (22.5mm, 57mm).The return loss of antenna port 261 is (right Frequency) curve illustrates by the curve of labelling circular in Fig. 2 c, transmission coefficient (to frequency) Curve is illustrated by the curve of labelling circular in Fig. 2 d.The return loss plot of antenna port 262 Being illustrated by the curve of Fig. 2 c intermediate cam shape labelling, transmission coefficient curve is by Fig. 2 d intermediate cam shape The curve of labelling illustrates.The return loss plot of antenna 208 and transmission coefficient curve respectively by Fig. 2 c, Fig. 2 d do not have markd curve illustrate.As it can be seen, antenna port 261 is corresponding Working frequency range include the Bluetooth band near 2450MHz or WiFi frequency range;Antenna port The working frequency range of 262 correspondences includes the GPS frequency range near 1575.42MHz;Traditional antenna The working frequency range of 208 correspondences includes the frequency range of multiple cellular system, such as GSM850MHz Frequency range, EGSM900MHz frequency range, DCS1800MHz frequency range, PCS1900MHz frequency range, WCDMA frequency range (1710-1755MHz/2110-2155MHz/1920-1980MHz/ 2110-2170MHz).From Fig. 2 c it can be seen that in the above frequency range, corresponding echo Loss is all at below-6dB, from Fig. 2 d it can be seen that the isolation between each port is better than 15dB, illustrates that present design has excellent service behaviour reliably.

In order to avoid or reduce user extremity radiating element 206 and to mobile terminal The performance of 20 adversely affects, alternatively, it is also possible at the outer surface of radiating element 206 Cover one layer of electric insulation layer.

In some other embodiment of the present invention, as a part for antenna module, it is integrated in shifting The radiating element of the lid of dynamic terminal has variously-shaped, such as triangle, tetragon, circle, Oval etc., and the class polygon that corner is round and smooth.In further embodiments, it is integrated in movement Variously-shaped or the openwork part of pattern is there is on the radiating element of the lid of terminal, generally, these Openwork part is made up of non-conductive material or fills.The above-mentioned various designs of the shape of radiating element For meeting the requirement of the various different working frequency range to antenna and combinations thereof.

Fig. 3 shows a part for mobile terminal 30 according to still another embodiment of the invention Decomposition chart.As it can be seen, the mobile terminal 30 in this embodiment includes front panel 303, print Printed circuit board 302, bonnet 301.Such as but not limited to, battery can be at least partially disposed at Between bonnet 301 and printed circuit board (PCB) 302.

In this embodiment, bonnet 301 main body is as radiating element, and printed circuit board (PCB) 302 Floor forms the structure of similar micro-strip paster antenna together.So that antenna has multiple resonance frequency Rate, to support multiple working frequency range, radiating element can be designed with the shape of complex pattern, Such as but not limited to having a strip as depicted and the openwork part of an E font.

Be provided with on printed circuit board (PCB) 302 feed element 351 and corresponding signal processing module thereof or Circuit 311.Such as but not limited to, when bonnet 301 is anchored on mobile terminal 30, by feed Unit 351 is corresponding antenna port feed on bonnet 301, and antenna 301 may operate in multiple Cellular system frequency range.It is, of course, also possible to increase other antenna ports and feed element so that lid The frequency range of other communication protocol can be simultaneously worked in, thus replace the whole independences in mobile terminal Antenna element, all antenna functions are all realized by lid.

In some embodiments of the invention, it is integrated on the radiating element of mobile terminal lid Comprise multiple antenna port.At least one multifrequency antenna end is included at these multiple antenna ports Mouthful.Multifrequency antenna port can encourage described radiating element to work at least two frequency range, should At least two frequency range is a subset of all multiple working frequency range of described radiating element.? In one embodiment, the working frequency range that multifrequency antenna port is corresponding includes: GPS frequency range, shifting Galvanic electricity regards uhf band, WiFi, Bluetooth band.In this embodiment, mobile terminal also wraps Including the multiplexer being connected to described multimode antenna port, this multiplexer is connected to one or more Signal processing module, with process respectively gps signal, mobile television signal, WiFi signal, Bluetooth signal.

Fig. 4 shows patrolling of a part for mobile terminal according to an embodiment of the invention Collect structure chart.In this embodiment, the radiating element bag being integrated on the lid of mobile terminal Include a multifrequency antenna port 451.This multifrequency antenna port 451 is connected on printed circuit board (PCB) Feed element 411.As it was previously stated, connected mode can use directly contact or contactless Coupling.Feed element 411 is connected to a gating unit 460.Gating unit 460 is connected to Multiple signal processing modules or circuit 461,462 etc..Multifrequency antenna port 451 can encourage Radiating element works in multiple frequency range, and each signal processing module or circuit 461,462 are used In the signal processing one of them working frequency range.Specifically, gating unit 460 include with respectively Signal processing circuit or module 461,462 filter unit one to one, to select each signal The signal of the operating frequency corresponding to processing module or circuit.In various embodiments, root Factually border application and design requirement, gating unit can be respectively switch element, duplexer Or multiplexer.

In other embodiments of the present invention, it is integrated in the radiating element of mobile terminal lid On comprise multiple single-band antenna port.These multiple single-band antenna ports can encourage described respectively Radiating element works in different frequency ranges.In one embodiment, mobile terminal lid it is integrated in Four single-band antenna ports are comprised on the radiating element of body;The work that one of them port is corresponding Frequency range is GPS frequency range, the gps signal processing module being connected on printed circuit board (PCB);Another The working frequency range that individual port is corresponding is Bluetooth band, the bluetooth letter being connected on printed circuit board (PCB) Number processing module;The working frequency range that another port is corresponding is frequency modulation broadcasting frequency range, is connected to Fm broadcast signal processing module on printed circuit board (PCB);The work frequency that another port is corresponding Section is WiFi frequency range, the WiFi signal processing module being connected on printed circuit board (PCB).

In other embodiments of the present invention, it is integrated in the radiating element of mobile terminal lid On comprise multiple single-band antenna port, and working frequency range corresponding to these multiple ports is same frequency Section.

Fig. 5 shows a part for mobile terminal 50 according to another embodiment of the invention Decomposition chart.Mobile terminal 50 in this embodiment includes printed circuit board (PCB) 502 and integrated Radiating element 506 on lid (not shown).Radiating element 506 and printed circuit board (PCB) 502 Floor form the structure of similar micro-strip paster antenna.

First antenna port 561 formed thereon and second day is included on radiating element 506 Line cap 562.Include on printed circuit board (PCB) 502 respectively with first antenna port 561, second The feed element 551,552 of antenna port 562 connection and corresponding signal processing module are (in figure Not shown).

First antenna port 561 and the second antenna port 562 all can excitation radiation unit 506 Work in first frequency range.First frequency range can be arbitrary support multiple-input and multiple-output The wireless communication protocol of (Multiple-Input, Multiple-Output, MIMO) technology is made Frequency range, such as but not limited to 2400~2483MHz WiFi frequency ranges.

By shape, size and first antenna port 561, second to radiating element 506 The position of antenna port 562 well-designed, can produce two with excitation radiation unit 506 Orthogonal pattern, and the resonant frequency of the two pattern is identical.Such as but not limited to, radiation Unit 506 can be square or be similar to square;First antenna port 561 and second Antenna port 562 can lay respectively on two axis of radiating element 506 near edge Position.

In one embodiment of the invention, the antenna module for mobile terminal includes integrated In the lid of described mobile terminal and the radiating element that is made up of conductive material;When described When lid is anchored on described mobile terminal, this radiating element and the printed circuit board (PCB) in mobile terminal Floor form the structure of similar micro-strip paster antenna, between radiating element and printed circuit board (PCB) away from From for 5mm.Fig. 6 a particularly illustrates radiating element 606 in the antenna module of this embodiment Plane graph.As it can be seen, the size of radiating element 606 is 55mm × 54mm, on it Including first antenna port 661 and the second antenna port 662.With radiating element shown in scheming The lower left corner of 606 is zero, and the coordinate of the center of antenna port 661 is (27.5mm, 14mm), the coordinate of the center of antenna port 662 be (19mm, 29mm).In this case, antenna port 661 the pattern approximation micro-strip patch motivated The TM polarized in the y-direction of chip antenna01Mould, antenna port 662 excitation is in the x-direction The TM of polarization10Mould, this both of which is mutually orthogonal.Fig. 6 b shows shown in Fig. 6 a The performance curve of antenna port.The return loss of antenna port 661 | S11| curve is by band triangle mark The curve of note illustrates, the return loss of antenna port 662 | S11| curve is by the curve of band circle labelling Illustrate, the transmission coefficient between antenna port 661 and 662 | S21| curve is shown by unmarked curve Go out.As it can be seen, within the frequency band range (2400~2483MHz) of WLAN, sky In the band of line cap 661 and 662, return loss is respectively less than-6dB, and isolation each other is higher than 20dB, its good performance can meet mimo system to the high-isolation of multiaerial system, High efficiency requirement.

Those skilled in the art will be understood that above-described embodiment is all illustrative and not restrictive. The different technologies feature occurred in different embodiments can be combined, to obtain beneficial effect. Those skilled in the art, on the basis of research accompanying drawing, specification and claims, will be understood that And the embodiment of other changes of the embodiment disclosed in realizing.In detail in the claims, term " bag Include " it is not precluded from other devices or step;Indefinite article " one " is not excluded for multiple;Term " the One ", " second " is used for indicating title not for representing any specific order.Claim In any reference be all understood not to limiting of its scope.Claim occurs The function of some can be realized by a single hardware or software module, certain part Function can also be realized by multiple different hardware or software module.Some technical characteristic occurs Different dependent claims is not meant to can not be combined by these technical characteristics with Obtain beneficial effect.

Claims (13)

1. the antenna module for mobile terminal (20), it is characterised in that including:
Radiating element (206), in a part for its lid being integrated in described mobile terminal also And be made up of conductive material, and the remainder of wherein said lid is by non-conductive material Material is constituted;
Described radiating element includes multiple antenna port (261,262) formed thereon, It is different that each in the plurality of antenna port can encourage described radiating element to work in Frequency range;
Wherein, when described lid is anchored on described mobile terminal, described antenna port can Described radiating element is encouraged to work in multiple frequency range;
And wherein, described antenna module also includes:
The floor of the printed circuit board (PCB) in described mobile terminal;And
With described antenna port (261,262) at least one feed element one to one (251, 252), it is arranged on the printed circuit board and to corresponding antenna port feed;
And wherein not hidden by described radiating element (206) at described printed circuit board (PCB) Region antenna is set.
Antenna module the most according to claim 1, it is characterised in that described feed list Contact is used to connect or contactless connection between first and described antenna port.
Antenna module the most according to claim 1, it is characterised in that the plurality of frequency Section include the combination in any of frequency range corresponding to following communication protocol: GPS, bluetooth, WiFi, Frequency modulation broadcasting, mobile TV, GSM, CDMA, WCDMA, TD-SCDMA, LTE, WiMAX。
Antenna module the most according to claim 1, it is characterised in that described radiation list The outer surface of unit also covers one layer of electric insulation layer.
Antenna module the most according to claim 1, it is characterised in that described electric conductivity Material includes metal, conductive plastics or conductive rubber.
Antenna module the most according to claim 1, it is characterised in that described antenna end Mouth at least includes a multifrequency antenna port, and this multifrequency antenna port can encourage described radiation Cell operation is in a subset of the plurality of frequency range, and this subset includes in the plurality of frequency range At least two frequency range.
7. a mobile terminal, it is characterised in that include as arbitrary in claim 1 to 6 Antenna module described in Xiang.
8. a mobile terminal, it is characterised in that include antenna as claimed in claim 6 Assembly, also includes the gating unit being connected to described multifrequency antenna port.
9. the antenna module for mobile terminal, it is characterised in that including:
Radiating element, in a part for its lid being integrated in described mobile terminal and by leading Electric material is constituted, and the remainder of wherein said lid is made up of non-conductive material;
Described radiating element includes multiple antenna port formed thereon;
Wherein, when described lid is anchored on described mobile terminal, the plurality of antenna port In at least two described radiating element can be encouraged to work in the orthogonal mode of same frequency range Formula;
And wherein, described antenna module also includes:
The floor of the printed circuit board (PCB) in described mobile terminal;And
With described antenna port at least one feed element one to one, it is arranged on described On printed circuit board (PCB) and to corresponding antenna port feed;
And wherein in the region not hidden by described radiating element of described printed circuit board (PCB) Antenna is set.
Antenna module the most according to claim 9, it is characterised in that described feed list Contact is used to connect or contactless connection between first and described antenna port.
11. antenna modules according to claim 9, it is characterised in that described radiation list The outer surface of unit also covers one layer of electric insulation layer.
12. antenna modules according to claim 9, it is characterised in that described electric conductivity Material includes metal, conductive plastics or conductive rubber.
13. 1 kinds of mobile terminals, it is characterised in that include as appointed in claim 9 to 12 One described antenna module.
CN201110123006.4A 2011-05-12 2011-05-12 Antenna module and mobile terminal CN102780065B (en)

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