CN109151936A - Antenna system and method for switching network - Google Patents
Antenna system and method for switching network Download PDFInfo
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- CN109151936A CN109151936A CN201811057549.9A CN201811057549A CN109151936A CN 109151936 A CN109151936 A CN 109151936A CN 201811057549 A CN201811057549 A CN 201811057549A CN 109151936 A CN109151936 A CN 109151936A
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- antenna
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- network
- interface card
- switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Abstract
The invention discloses a kind of antenna system and method for switching network, its antenna system includes at least two antenna elements, each antenna element at least has a primary antenna and common antenna, at least two network interface card units corresponding with the antenna element, the primary antenna of each antenna element be connected to its corresponding to the network interface card unit, switching switch, the slave antenna of each antenna element pass through it is described switching switch be connected to its corresponding to the network interface card unit, and control unit, its signal for controlling the slave antenna of each antenna element with the switching switch connection between the network interface card unit corresponding to it connects on-off;Compared with prior art, antenna system and method for switching network of the invention, it is improved by the structure to antenna system, the extraction feeder line of all antennas is connect by a switching switch with embedded controller and is controlled, reduce the space occupied needed for needs repeat setting feeder line.
Description
Technical field
The present invention relates to antenna technical field, especially a kind of antenna system and method for switching network.
Background technique
It is known that WLAN (Wireless Local Area Networks) refers to WLAN, relative to cable network
For, without passing through physics cable-assembly, but electromagnetic wave is utilized, is communicatively coupled in the sky, so as to make user exist
Using that can have more flexibilities and mobility when network, known many electronic intelligences have been widely used in it and have set
It is standby upper.WWAN (Wireless Wide Area Network) refers to wireless wide area network, which makes electronic equipment such as notebook
Computer, tablet computer etc. are connected to internet in the range of having cellular network covering.
Currently, being realized on notebook or 3C electronic product with metal shell by using radio-frequency antenna above-mentioned
The network connecting functions such as WLAN, WWAN, it is known that antenna has certain requirement to the wireless environment of notebook, i.e., aerial radiation or connects
Metal must not be had by receiving region.Common solution is that nonmetallic plastic cement area is arranged on metal decking.Nonmetallic plastic cement area
The structural strength decline that will lead to entire laptop case is set, degree of deformation is difficult to control, and appearance processing is complicated, yield decline, because
And the problems such as will cause cost increase.And if the size of antenna can be controlled to the minimum dimension met under use condition,
So because the problem that nonmetallic plastic cement zone is come will be by improvement largely.So antenna miniaturization design is electronics
On product Antenna Design there is a continuing need for the technical problems of breakthrough.
However, the growth with people to the functional requirement of electronic product, many electronic products need to be arranged a variety of differences
The antenna of type, for example, taking the mobile phone as an example, needs that different operators can either be received to meet different network signal demands
2G/3G/4G signal, it is also desirable to can connect WLAN, thus need to be respectively set opposite with the signal of different frequency range
The multiple dual-mode antennas answered, in addition, some laptops, tablet computer is having wireless lan network signal transmitting and receiving function
While, be also equipped with wireless wide area network network signal transceiver module, only need to install corresponding operator SIM card can whether there is or not
The area of line wide area network signals carries out network transmission and in this case similarly needs that multiple dual-mode antennas are arranged.
It is known that the signal transmitting and receiving frequency of wireless wide area network belongs to low frequency signal section generally between 699MHZ-2690MHZ,
And the signal transmitting and receiving frequency of WLAN then generally has low frequency (1710MHZ-2690MHZ) and high frequency (5150MHZ-
5850MHZ) two wave bands, therefore, the signal transmitting and receiving frequency of WLAN and wireless wide area network, which has, to be centainly overlapped, however
In current electronic product, since antenna respectively corresponds setting, some antenna is actually extra, and is divided
Multiple dual-mode antennas are not set, will also result in antenna size and become much larger, occupied space is bigger, moreover, with new 5G network
Appearance, future has the network signal antennas of more different frequency ranges and is placed in electronic product, so if
By carrying out structure design to individual antenna itself, it has been difficult that antenna is made to become smaller, and multiple dual-mode antennas is set still
Larger space can be occupied, at the same time, existing antenna is due to being corresponding setting, it is therefore desirable to related circuit be arranged
It is fed, structure is complicated, and when handover network type, certain antennas stop working completely, and antenna utilization efficiency is very low, so I
Need a kind of new settling mode.
Summary of the invention
In view of the above-mentioned problems in the prior art, the present invention provides a kind of antenna system and method for switching network.
To realize said effect, antenna system of the invention and method for switching network are adopted the following technical scheme that
A kind of antenna system, comprising:
At least two antenna elements, each antenna element at least have a primary antenna and common antenna,
At least two network interface card units corresponding with the antenna element, the primary antenna of each antenna element are connected to
With the network interface card unit corresponding to it,
Switching switch, the slave antenna of each antenna element pass through it is described switching switch be connected to its corresponding to institute
Network interface card unit is stated, and,
Control unit, with it is described switching switch connection with control each antenna element slave antenna and its corresponding to
Signal between network interface card unit connects on-off.
Preferably, the antenna element includes:
First antenna unit is wireless lan antenna, and the first antenna unit includes the first primary antenna and first
Slave antenna, first primary antenna are the antenna with signal transmitting and receiving function, are used to monitor the Wireless LAN in environment
Signal;First slave antenna is the antenna with signal receiving function, is used to carry out signal reception by WLAN;
Second antenna element, is wireless wide area network antenna, and second antenna element includes the second primary antenna and the
Two slave antennas, second primary antenna are the antenna with signal transmitting and receiving function, are used to monitor the wireless wide area network in environment
Network signal;Second slave antenna is the antenna with signal receiving function, is used to carry out signal by wireless wide area network to connect
It receives.
Preferably, the network interface card unit includes WLAN network interface card, WWAN network interface card, the WLAN network interface card and the first antenna
Unit is corresponding, and the WWAN network interface card is corresponding with second antenna element.
Preferably, the switching switch is model BGS12SN6 electronic switch.
Preferably, described control unit is embedded controller.
A kind of method for switching network, comprising:
Detect the network signal feature of current environment;
According to the network signal feature, the determining and highest target network of current environment matching degree;
Switch to the target network.
Preferably, the network signal feature includes: signal strength, signal classification.
Preferably, then directlying adopt the network of the category when being only capable of detecting a signal classification in the environment;
When that can detect at least two signal classifications in the environment, then the signal strength of each signal is continued to test, and cut
Shift to the strongest network of signal strength.
Preferably, the signal classification includes: WLAN signal, WWAN signal.
Preferably, further including enumerating currently available network to terminal before switching to the strongest network of signal strength
The signal classification and signal strength of signal, and switched over by user's selection.
Compared with prior art, antenna system of the invention and method for switching network are changed by the structure to antenna system
Into the extraction feeder line of all antennas switched to connect with embedded controller by switching controlling, reduce needs
The space occupied needed for repeating setting feeder line, is beneficial to reduce cost, at the same provide it is a kind of from software and hardware layer adhesion with
The method for carrying out network switching, software and hardware structure frame is simpler compared with the prior art, and it is more convenient to operate, more stable.
Detailed description of the invention
Fig. 1 is the system structure diagram of the embodiment of the present invention;
Fig. 2 is the Switch structure figure of the embodiment of the present invention;
Fig. 3 is the method for switching network flow chart of the embodiment of the present invention;
Fig. 4 is the method for switching network flow chart of the embodiment of the present invention;
Fig. 5 is the main view of antenna used by the antenna system of the embodiment of the present invention;
Fig. 6 is the rearview of Fig. 5;
Fig. 7 is that antenna used by the antenna system of the embodiment of the present invention is installed to the main view of matrix.
Description of symbols:
1- the first irradiation unit 11- the first feed-in section 12- the second feed-in section 111- the first radiant section the second radiant section of 112-
The 4th radiant section 115- feeding point 2- the first coupling part 21- ground section 22- coupled section 23- of 113- third radiant section 114-
Grounding point 3- the second coupling part 4- matrix 5- first antenna unit 51- the first primary antenna the first slave antenna of 52- 6- second
Antenna element 61- the second primary antenna 62- the second slave antenna 7- switches switch 8- network interface card unit 9- control unit.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
The sectional view of showing device structure can disobey general proportion and make partial enlargement, and the schematic diagram is example, is not answered herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
Referring to figs. 1 to a kind of antenna system for shown in Fig. 2, showing the embodiment of the present invention, which are mainly applied at present
3C class product such as laptop, tablet computer or the mobile phone known are stepped on intelligent terminal comprising: at least two antenna lists
Member, at least two network interface card units 8 corresponding with the antenna element switch switch 7 and control unit 9.
Each antenna element in two antenna elements at least has a primary antenna and common antenna, wherein primary antenna list
Member is the antenna with signal transmitting and receiving function, and slave antenna is the antenna with signal receiving function, when primary antenna is same with slave antenna
When working, an antenna element can normally work.
Meanwhile each antenna element all has network interface card unit 8 corresponding thereto, the primary antenna of each antenna element connects
Be connected to its corresponding to the network interface card unit 8, the letter which is received and dispatched for realizing corresponding antenna element
Number data encapsulation with deblocking, link pipeline and coding with decoding etc., thus enable smart machine by antenna element with it is right
The network answered establishes data connection.
Switching switch 7 is an electronic chip component, and the slave antenna of each antenna element passes through the switching switch 7 and is connected to
With the network interface card unit 8 corresponding to it, which can control as the switch for controlling each antenna element work
The slave antenna of each antenna element whether is given to feed, when the slave antenna of certain antenna element is not fed, which then only retains
The function of the corresponding network signal in environment can be monitored, and complete network signal transmission work can not be carried out.
Control unit 9 connect with the switching switch 7 with control the slave antenna of each antenna element and its corresponding to
Signal between network interface card unit 8 connects on-off, can be embedded controller.
Specifically, antenna element can be the different types of antenna being currently known, for example, LTE wide frequency antenna,
2.4G5Gwifi antenna, 5G antenna, GPS antenna etc. keep their slave antenna logical by the way that all kinds of antennas are carried out structure improvement
The feeder line extraction for crossing a switching switch 7 is connected to feed end, and the different antennae for saving difference carries out feeder line layout institute
The space occupied is needed, the occupied size of antenna is reduced.
Further, the antenna element of the embodiment of the present invention includes first antenna unit 5 and the second antenna element 6.
First antenna unit 5 is wireless lan antenna (WLAN antenna) comprising the first primary antenna 51 and the first secondary day
Line 52, first primary antenna 51 are the antenna with signal transmitting and receiving function, are used to monitor the Wireless LAN in environment
Signal;First slave antenna 52 is the antenna with signal receiving function, is used to carry out signal by WLAN to connect
It receives.
Second antenna element 6 is wireless wide area network antenna (WWAN antenna) comprising the second primary antenna 61 and second is secondary
Antenna 62, second primary antenna 61 are the antenna with signal transmitting and receiving function, are used to monitor the wireless wide area network in environment
Network signal;Second slave antenna 62 is the antenna with signal receiving function, is used to carry out signal by wireless wide area network
It receives.
Corresponding, network interface card unit 8 includes WLAN network interface card, WWAN network interface card, WLAN network interface card and the first antenna unit 5
Corresponding, WWAN network interface card is corresponding with second antenna element 6.
Further, referring to Fig. 2, switching switch 7 employed in the embodiment of the present invention is model BGS12SN6 electronics
Switch has an input terminal RFin and double-direction control switch RF1, RF2, and wherein RF1, RF2 are respectively connected to first antenna
The slave antenna of the slave antenna of unit 5 and the second antenna element 6.
The embodiment of the present invention furthermore present it is a kind of only have a feed end but can satisfy simultaneously WLAN antenna with
The antenna structure embodiment of WWAN antenna function may include matrix 4, the first irradiation unit 1, the first coupling referring to Fig. 5 to Fig. 7
Conjunction portion 2, ground section 21 and the second coupling part 3.
First irradiation unit 1 includes feed-in section, and feed-in section is upwardly extended by the bottom edge of printed circuit board and one end (lower end) is
Feed end, the middle part of feed-in section are laterally extended to form the first radiant section 111, along opposite both direction (left and right directions) respectively
Two radiant sections 112, feed-in section are each extended over the opposite other end of its feed end along opposite both direction (left and right directions)
Form third radiant section 113 and the 4th radiant section 114;In the present embodiment, feed-in section includes the first feed-in section 11 being set side by side
With the second feed-in section 12, the bottom of the bottom of the first feed-in section 11 and the second feed-in section 12 is respectively provided with feeding point 115, the second radiation
The 112, the 4th radiant section 114 of section is connect with the second feed-in section 12, constitutes an inverted F shaped antenna structure, the first radiant section 111, the
Three radiant sections 113 are connect with the first feed-in section 11, constitute an inverted F shaped antenna structure, and two inverted F shaped antenna structures are set back-to-back
It sets, and constitutes the monopole antenna structure for being operable in two-band.
First coupling part 2 includes a ground section 21, and by the ground section 21 one end towards the parallel third radiant section
113 and the direction of the 4th radiant section 114 extend coupled section 22 to intercouple;In specific the present embodiment referring to fig. 2
Described, the ground section 21 of the first coupling part 2 in the present embodiment by the middle position of leaning on of coupled section 22, prolong from top to bottom by dioptric type
Stretch and be grounded with system ground (not shown), a part of coupled section 22 and the 4th radiant section 114 partly overlap with third
Radiant section 113, the 4th radiant section 114 generate coupling, and the electromagnetic energy on third radiant section 113, the 4th radiant section 114 is passed
It is handed in coupled section 22, so that third radiant section 113, the 4th radiant section 114 collectively form with coupled section 22 and be operable in multifrequency
The WWAN antenna of band, specifically, by the spacing between control coupled section 22 and the 4th radiant section 114, third radiant section 113,
To control coupling amount, to achieve the purpose that adjust Antenna Impedance Matching.
Based on antenna structure, for required operation frequency range, to third radiant section 113, the 4th radiant section 114 and coupled section
22 length and width carries out appropriate adjustment design, by the operation frequency range for alloing the antenna of the present embodiment cover LTE (824MHz~
960MHz, 1710~2170MHz), and there is WWAN antenna function, specifically, in the present embodiment, the radiation of above-mentioned coupled section 22
Frequency range is 699~960MHz, and the radiating bands of third radiant section 113 are 1565MHZ~1675MHz, the spoke of the 4th radiant section 114
Radio band is 1710~2170MHz, therefore meets the functional requirement of WWAN antenna.
Second coupling part 3 is arranged on the printed circuit board and is parallel to the 4th radiant section 114 to intercouple.Tool
Body, appropriate adjustment design is carried out by length and width to the second coupling part 3 and its spacing between the 4th radiant section 114,
To controlling coupling amount, to achieve the purpose that adjust Antenna Impedance Matching, and enable the second coupling part 3 cover 2300MHz~
2690MHz (2.4Ghz) enables the first radiant section 111 to cover by adjusting the first radiant section 111, the second radiant section 112
2400MHZ~2500MHz (2.4Ghz) enables the second radiant section 112 to cover 5150MHZ~5850MHZ (5.8GHZ).
Further, with continued reference to Fig. 5 to Fig. 7, in the present embodiment, the length of first radiant section 111 is less than described
The length of third radiant section 113, the length of second radiant section 112 is less than the length of the 4th radiant section 114, thus structure
At plane inverse F type (PIFA) antenna structure for being operable in two frequency ranges, wanted to become and can meet WLAN work
Seek the WLAN antenna including 802.11a/b/g.
Through this structure, only by a feed end, formation can meet WWAN antenna and WLAN antenna function simultaneously
The PCB antenna that can be required subtracts to reduce WWAN antenna and WLAN antenna because of antenna size required for frequency range lap
Lack antenna integrally occupied space, without different feeding points is respectively set to control different antennas, is conducive to day
Line Miniaturization Design.
With continued reference to Fig. 3 to Fig. 4, by using above-mentioned antenna system, the embodiment of the present invention further provides for a kind of net
Network switching method, comprising:
Step 1: detecting the network signal feature of current environment;
Step 2: according to the network signal feature, the determining and highest target network of current environment matching degree;
Step 3: switching to the target network.
In step 1, using the primary antenna in each antenna element of the antenna system in the embodiment of the present invention in environment
Network signal feature is monitored and monitoring data is transmitted to operating system end by network interface card unit 8.
In step 2, according to the network signal feature monitored, the determining and highest target network of current environment matching degree
Network, for example, when intelligent terminal is in while having the interior of WWAN signal and WLAN signal, if it is determined that WLAN signal
With current environment matching degree highest, then wlan network is determined as target network.
In step 3, switch the WLAN signal antenna and net that switch 7 is connected in antenna system by embedded controller controls
Card unit 8 is fed, and so that intelligent terminal is connected to wlan network and is carried out network data exchange.
Specifically, network signal feature described in above-described embodiment includes: signal strength, signal classification, wherein this reality
Applying the signal classification in example includes: WLAN signal, WWAN signal.
Further, the category is then directlyed adopt when being only capable of detecting a signal classification in the environment referring to Fig. 4
Network;For example, then directly selecting when can only monitor WLAN signal or WWAN signal in current environment using the category
Network, and switch switch 7 by embedded controller controls and switch to corresponding signal antenna and fed.
When that can detect at least two signal classifications in the environment, then the signal strength of each signal is continued to test, and cut
Shift to the strongest network of signal strength, for example, when user just from the outdoor interior for entering and having there is wlan network to cover when, ring at this time
Have WLAN signal that there is WWAN signal simultaneously in border, and the intensity of WLAN signal is bigger, then operating system level then can be direct
Control control unit 9 issues the instruction for switching to wlan network to switching switch 7, and is switched feed current by switching switch 7
To the antenna element for receiving and dispatching wlan network signal.
It further, further include that currently available network is enumerated to terminal before switching to the strongest network of signal strength
The signal classification and signal strength of signal, and switched over by user's selection.For example, pop-up or gas can be passed through at operating system end
The forms such as dwell window enumerate the list of currently available network to user, and select network required for it to switch over as user.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as falling in the scope of the present invention.
Claims (10)
1. a kind of antenna system characterized by comprising
At least two antenna elements, each antenna element at least have a primary antenna and common antenna,
At least two network interface card units corresponding with the antenna element, the primary antenna of each antenna element is connected to and it
The corresponding network interface card unit,
Switching switch, the slave antenna of each antenna element pass through it is described switching switch be connected to its corresponding to the net
Card unit, and,
Control unit, with the slave antenna of the switching switch connection to control each antenna element and the network interface card corresponding to it
Signal between unit connects on-off.
2. antenna system according to claim 1, which is characterized in that the antenna element includes:
First antenna unit is wireless lan antenna, and the first antenna unit includes the first primary antenna and the first secondary day
Line, first primary antenna are the antenna with signal transmitting and receiving function, are used to monitor the wireless LAN signal in environment;
First slave antenna is the antenna with signal receiving function, is used to carry out signal reception by WLAN;
Second antenna element, is wireless wide area network antenna, and second antenna element includes that the second primary antenna and second are secondary
Antenna, second primary antenna are the antenna with signal transmitting and receiving function, are used to monitor the radio wide area network letter in environment
Number;Second slave antenna is the antenna with signal receiving function, is used to carry out signal reception by wireless wide area network.
3. antenna system according to claim 2, which is characterized in that the network interface card unit includes WLAN network interface card, WWAN net
Card, the WLAN network interface card is corresponding with the first antenna unit, and the WWAN network interface card is corresponding with second antenna element.
4. antenna system according to claim 1, which is characterized in that the switching switch is model BGS12SN6 electronics
Switch.
5. antenna system according to claim 1, which is characterized in that described control unit is embedded controller.
6. a kind of method for switching network characterized by comprising
Detect the network signal feature of current environment;
According to the network signal feature, the determining and highest target network of current environment matching degree;
Switch to the target network.
7. method for switching network according to claim 6, which is characterized in that the network signal feature includes: that signal is strong
Degree, signal classification.
8. method for switching network according to claim 7, which is characterized in that when being only capable of detecting a signal in the environment
When classification, then the network of the category is directlyed adopt;
When that can detect at least two signal classifications in the environment, then the signal strength of each signal is continued to test, and switched to
The strongest network of signal strength.
9. method for switching network according to claim 8, which is characterized in that the signal classification includes: WLAN signal,
WWAN signal.
10. method for switching network according to claim 9, which is characterized in that switching to the strongest network of signal strength
It before, further include the signal classification and signal strength of currently available network signal being enumerated to terminal, and cut by user's selection
It changes.
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