CN104079311B - Communication system and communication control method - Google Patents
Communication system and communication control method Download PDFInfo
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- CN104079311B CN104079311B CN201310104676.0A CN201310104676A CN104079311B CN 104079311 B CN104079311 B CN 104079311B CN 201310104676 A CN201310104676 A CN 201310104676A CN 104079311 B CN104079311 B CN 104079311B
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Abstract
A kind of communication system and communication control method, this system includes: antenna structure, the first wave filter, the second wave filter, the first radio frequency chip, and the second radio frequency chip.Antenna structure has a load point, and is positioned at the first signal of the first frequency band for receiving or transmitting and is positioned at the secondary signal of the second frequency band, and wherein the first frequency band is different from the second frequency band, and the second frequency band is a frequency modulation frequency band, about between 88MHz to 108MHz.First wave filter is for making the frequency of the first frequency band pass through, and stops the frequency of the second frequency band.Second wave filter is for making the frequency of the second frequency band pass through, and stops the frequency of the first frequency band.First radio frequency chip is coupled to the load point of antenna structure via the first wave filter.Second radio frequency chip is coupled to the load point of antenna structure via the second wave filter.The system and method for the present invention, owing to need not extra antenna structure and Antenna Design space, is easily applied to the mobile device of various miniaturization by appearance.
Description
Technical field
The present invention relates to a kind of communication system, particularly relate to the common antenna including containing band multiplex
The communication system of structure.
Background technology
Along with the prosperity of mobile communication technology, mobile device the most more prevalent, common such as:
The portable electronic dress of hand-held computer, mobile phone, multimedia player and other mixed functions
Put.In order to meet the demand of people, mobile device is generally of the function of radio communication.Some is contained
The range for wireless communication of distance, such as: mobile phone uses 2G, 3G, LTE (Long Term
Evolution) system and used 700MHz thereof, 850MHz, 900MHz, 1800MHz,
The frequency bands for communication of 1900MHz, 2100MHz, 2300MHz and 2500MHz, and some
Then contain short-range range for wireless communication, such as: Wi-Fi, Bluetooth and
WiMAX (Worldwide Interoperability for Microwave Access) system use 2.4GHz,
The frequency bands for communication of 3.5GHz, 5.2GHz and 5.8GHz.
In known technology, in band multiplex, if desired carry out radio communication, then must be provided with multiple
Antenna is in mobile device, to be respectively corresponding to these frequency bands.But, the inner space of mobile device
The most extremely limited, therefore so multiple antennas cannot be accommodated in wherein.
Summary of the invention
In order to solve problem of the prior art, the present invention provides a kind of communication system, including: an antenna
Structure, has a load point, and for receive or transmit one first signal being positioned at one first frequency band with
And it is positioned at a secondary signal of one second frequency band, wherein this first frequency band is different from this second frequency band, and
This second frequency band is a frequency modulation frequency band, about between 88MHz to 108MHz；One first filtering
Device, for making the frequency of this first frequency band pass through, and stops the frequency of this second frequency band；One second filter
Ripple device, for making the frequency of this second frequency band pass through, and stops the frequency of this first frequency band；One first
Radio frequency chip, is coupled to this load point of this antenna structure, and is used for processing via this first wave filter
Or produce this first signal；And one second radio frequency chip, it is coupled to this sky via this second wave filter
This load point of line structure, and be used for processing or produce this secondary signal.
It addition, the present invention also provides for a kind of communication control method, comprise the following steps: by an antenna
Structure, receives or transmits and be positioned at one first signal of one first frequency band and be positioned at the one of one second frequency band
Secondary signal, wherein this first frequency band is different from this second frequency band, and this second frequency band is a frequency modulation frequency
Band, about between 88MHz to 108MHz；By one first wave filter, make this first frequency band
Frequency is passed through, and stops the frequency of this second frequency band；By one second wave filter, make this second frequency band
Frequency pass through, and stop the frequency of this first frequency band；By one first radio frequency chip, process or produce
This first signal raw, wherein this first radio frequency chip is coupled to this antenna structure via this first wave filter
A load point；And by one second radio frequency chip, process or produce this secondary signal, wherein should
Second radio frequency chip is coupled to this load point of this antenna structure via this second wave filter.
In the communication system of present invention offer and method, including a shared antenna structure to support many repetitions
The radio communication of band.Owing to need not extra antenna structure and Antenna Design space, the present invention will hold
It is easily applied to the mobile device of various miniaturization so that it is more can operate at least one frequency modulation frequency band.
Accompanying drawing explanation
Fig. 1 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 2 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 3 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 4 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 5 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 6 is to show the schematic diagram according to the communication system described in one embodiment of the invention；
Fig. 7 is to show the schematic diagram according to the communication system described in one embodiment of the invention；And
Fig. 8 is to show the flow chart according to the communication control method described in one embodiment of the invention.
[main element description of reference numerals]
100,200,300,400,500,600,700～communication system；
110,120,130,140,150～wave filter；
112,122,132～radio frequency chip；
114,124,134,144,154～match circuit；
116,126,136～low-noise amplifier；
180,580～antenna structure；
182,582～the load point of antenna structure；
583～the short dot of antenna structure；
587～the Part I of antenna structure；
588～the Part II of antenna structure；
589～breach；
710～Parasitica；
713～the short dot of Parasitica；
GND～earthing potential；
G1～coupling gap；
S1～the first signal；
S2～secondary signal；
S3～the 3rd signal.
Detailed description of the invention
For objects, features and advantages of the present invention can be become apparent, cited below particularly go out the present invention
Specific embodiment, and the figure appended by cooperation, be described in detail below.
Fig. 1 is to show the schematic diagram according to the communication system 100 described in one embodiment of the invention.One
In a little embodiments, communication system 100 can be of a transceiver (Transceiver) of a mobile device
Point, and this mobile device can be a smart mobile phone (Smart Phone), a panel computer (Tablet
Computer), a notebook computer (Notebook Computer), or other have radio communication merit
The electronic installation of energy.As it is shown in figure 1, communication system 100 at least includes: an antenna structure 180, two
Individual wave filter 110,120, and two radio frequency chip (RF Chip, Radio Frequency
Chip)112、122.Antenna structure 180 may be made of metal, such as: copper, silver, or aluminum.Antenna
Structure 180 has a load point 182, and for receive or (and) transmit and be positioned at the one the of one first frequency band
One signal S1 and be positioned at secondary signal S2 of one second frequency band, wherein this first frequency band is different from this
Second frequency band.In the preferred embodiment, this second frequency band be a frequency modulation (Frequency Modulation,
FM) frequency band, it is about between 88MHz to 108MHz.This first frequency band then can be according to different need
Electing, detailed content refer to embodiment thereafter.The kind of antenna structure 180 is in the present invention
In be not restricted.Such as, antenna structure 180 can be a unipole antenna (Monopole Antenna),
One loop antenna (Loop Antenna), a dipole antenna (Dipole Antenna), a plane inverse-F shape sky
Line (Planar Inverted F Antenna, PIFA), a patch antenna (Patch Antenna), or one
Antenna component (Chip Antenna).Wave filter 110 is for making the frequency of this first frequency band pass through, and
Stop the frequency of this second frequency band.Wave filter 120 is for making the frequency of this second frequency band pass through, and
Stop the frequency of this first frequency band.In other words, wave filter 110,120 all has band filter
The part merit of wave filter (Band Rejection Filter, BRF) refused by (Band Pass Filter, BPF) and band
Can, but it can pass through frequency band (Pass Band) and stopping frequency band (Stop Band) then differs.Real at some
Executing in example, wave filter 110,120 each includes one or more capacitor and inducer.Radio frequency chip
112 are coupled to the load point 182 of antenna structure 180 via wave filter 110, and for process or (and)
Produce the first signal S1.Radio frequency chip 122 is coupled to the feedback of antenna structure 180 via wave filter 120
Access point 182, and for process or (and) produce secondary signal S2.Because had wave filter 110,
120, radio frequency chip 112,122 will not be disturbed by unrelated frequencies, at this shared antenna structure
Under remain to keep good treatment efficiency.Radio frequency chip 112,122 can use integrated circuit (Integrated
Circuits, ICs) implement it.In the preferred embodiment, radio frequency chip 122 is that a frequency modulation processes core
Sheet, and wave filter 120 can make this frequency modulation frequency band be that frequency is passed through.
In certain embodiments, this first frequency band be a bluetooth (Bluetooth) or (and) one Wi-Fi frequency
Band, it is about between 2400MHz to 2500MHz.In certain embodiments, this first frequency band
Be a GPS (Global Positioning System, GPS) frequency band, its about between
Between 1565MHz to 1585MHz.In certain embodiments, this first frequency band is a simulated television
(Analog Television, ATV) frequency band, it is about between 470MHz to 862MHz.One
In a little embodiments, this first frequency band be a near-field communication (Near Field Communication, NFC) frequently
Band, it is located approximately at 13.56MHz.In certain embodiments, this first frequency band is a wireless charging
(Wireless Charging) frequency band, it is located approximately at 13.56MHz.It should be noted that the present invention is not
It is limited to this.In other embodiments, this first frequency band also can contain other above NM frequency models
Enclose.
In present pre-ferred embodiments, antenna structure 180, wave filter 110, and radio frequency chip
112 formation one main communication path, and on the other hand, antenna structure 180, wave filter 120, and
Radio frequency chip 122 forms a secondary communication path.This first frequency band of this main communication path may select
For various frequency bands, such as: one bluetooth/Wi-Fi frequency band, or a GPS frequency band etc.
Deng, and this second frequency band in this secondary communication path is all chosen as a frequency modulation frequency band.Due to wave filter
110,120 can provide different resonant length (such as: wave filter 120 can include at least one inducer with
Increase resonant length), this main communication path and this secondary communication path can shared antenna structures 180
Transmit and receive the first signal S1 and secondary signal S2 being positioned at different frequency bands.In other words, wave filter
110 and antenna structure 180 can be considered a first antenna, and wave filter 120 and antenna structure 180 are visual
Being one second antenna, wherein this first antenna can contain this first frequency band, and this second antenna can be contained
This second frequency band.At this under design, the communication system of the present invention only needs single antenna structure to grasp
Make in band multiplex, have and reduce cost and save the internal advantage using space of mobile device.Citing
For, the present invention can by its principal antenna shared (such as: one bluetooth/Wi-Fi antenna, or one near
Communication antenna etc.) mode so that general intelligence mobile phone increases the function of listening in frequency modulation broadcast.
Fig. 2 is to show the schematic diagram according to the communication system 200 described in one embodiment of the invention.Fig. 2
Similar with Fig. 1.In the embodiment of fig. 2, communication system 200 also includes two match circuits
(Matching Circuit) 114,124 and two low-noise amplifiers (Low Noise Amplifier,
LNA)116、126.Match circuit 114,124 is to be respectively used to adjust this main communication path and be somebody's turn to do
The impedance matching in secondary communication path.Match circuit 114,124 can each include one or more inducer
And capacitor.In certain embodiments, radio frequency chip 112 is via match circuit 114 and wave filter 110
It is coupled to the load point 182 of antenna structure 180, and radio frequency chip 122 is via match circuit 124 and filter
Ripple device 120 is coupled to the load point 182 of antenna structure 180.Low-noise amplifier 116 connects for amplification
The the first signal S1 received, and low-noise amplifier 126 is for amplifying secondary signal S2 of reception.One
In a little embodiments, radio frequency chip 112 is coupled to sky via low-noise amplifier 116 and wave filter 110
The load point 182 of line structure 180, and radio frequency chip 122 is via low-noise amplifier 126 and wave filter
120 load points 182 being coupled to antenna structure 180.If a match circuit and a low-noise amplifier are same
Time be arranged in a communication path, the order of connection the most therebetween is not restricted.Such as, main at this
In communication path, match circuit 114 can be exchanged as position with low-noise amplifier 116.Merit attention
, match circuit 114,124 and low-noise amplifier 116,126 are for improving communication system
The usefulness of 200, but the most non-necessary element for the present invention.In other embodiments, they also can be from logical
Communication system 200 removes.Remaining feature of the communication system 200 of Fig. 2 all with the communication system of Fig. 1
100 is similar, therefore the two embodiment all can reach similar operating effect.
Fig. 3 is to show the schematic diagram according to the communication system 300 described in one embodiment of the invention.Fig. 3
Similar with Fig. 1.In the fig. 3 embodiment, communication system 300 also includes a wave filter 130 and
Radio frequency chip 132.In addition to the first signal S1 and secondary signal S2, antenna structure 180 is additionally operable to
Receive or (and) transmit and be positioned at one the 3rd signal S3 of one the 3rd frequency band, wherein the 3rd frequency band is different from
This second frequency band or (and) be different from this first frequency band.Wave filter 130 is the frequency for making the 3rd frequency band
Rate is passed through, and stops the frequency of this first frequency band and this second frequency band.Radio frequency chip 132 is via filtering
Device 130 is coupled to the load point 182 of antenna structure 180, and for process or (and) produce the 3rd signal
S3.It addition, the wave filter 110 of this main communication path and the wave filter 120 in this secondary communication path
Can be additionally used in the frequency stopping the 3rd frequency band.In the present embodiment, antenna structure 180, wave filter
130, and radio frequency chip 132 forms another secondary communication path so that communication system 300 can share
Antenna structure 180 receives and transmits and is positioned at the first signal S1 of at least three frequency bands, secondary signal S2,
And the 3rd signal S3.In other embodiments, communication system 300 can include wanting communication lines more times
Footpath, such as, four or five.Similarly, this second frequency band is still selected as a frequency modulation frequency band,
It is about between 88MHz to 108MHz.In certain embodiments, this first frequency band is a bluetooth
Or (and) a Wi-Fi frequency band, it is about between 2400MHz to 2500MHz, and the 3rd frequency band
Being a GPS frequency band, it is about between 1565MHz to 1585MHz.One
In a little embodiments, this first frequency band is a near-field communication frequency band, and it is located approximately at 13.56MHz, and this
Three frequency bands are a wireless charging frequency band, and it is located approximately at 13.56MHz.Its of the communication system 300 of Fig. 3
Remaining feature is all similar to the communication system 100 of Fig. 1 figure, therefore the two embodiment all can be reached similar
Operating effect.
Fig. 4 is to show the schematic diagram according to the communication system 400 described in one embodiment of the invention.Fig. 4
Similar with Fig. 2, Fig. 3.In the fig. 4 embodiment, communication system 400 also includes a match circuit
134 and a low-noise amplifier 136.Match circuit 134 can include one or more inducer and electric capacity
Device, and for adjusting the impedance matching of its communication path.In certain embodiments, radio frequency chip 132
The load point 182 of antenna structure 180 it is coupled to via match circuit 134 and wave filter 130.Low noise
Amplifier 136 is the 3rd signal S3 for amplifying reception.In certain embodiments, radio frequency chip
132 are coupled to the load point of antenna structure 180 via low-noise amplifier 136 and wave filter 130
182.Similarly, match circuit 134 and low-noise amplifier 136 are for improving communication system 400
Usefulness, but the most non-necessary element for the present invention.In other embodiments, they also can be from communication system
System 400 removes.Remaining feature of the communication system 400 of Fig. 4 all with the communication system of Fig. 2, Fig. 3
200,300 is similar, therefore these three embodiment all can reach similar operating effect.
Fig. 5 is to show the schematic diagram according to the communication system 500 described in one embodiment of the invention.Fig. 5
Similar with Fig. 1.In the 5 embodiment of figure 5, communication system 500 includes a day with given shape
Line structure 580.Antenna structure 580 can be the planar structure that metal is made, such as: copper, silver, or
Aluminum.In certain embodiments, antenna structure 580 can be printed on a medium substrate, such as: one
FR4 substrate.In more detail, antenna structure 580 includes Part I 587 and a Part II
588, a wherein Part I 587 substantially rectangle, Part II 588 substantially is J-shaped, and
One load point 582 of antenna structure 580 is the corner being located substantially at Part I 587.Feed-in
Point 582 is coupled to wave filter 110 and the wave filter in this secondary communication path of this main communication path
120.Part I 587 and the Part II 588 of antenna structure 580 can define a breach
589, and a breach 589 substantially L-shaped.The shape of above-described antenna structure 580 is only one
Citing, is not the restrictive condition of the present invention.In certain embodiments, communication system 500 also can be wrapped
Include another secondary communication path for receiving and transmit one the 3rd signal S3, as shown in Figure 3.One
In a little embodiments, communication system 500 may also include one or more match circuit and low-noise amplifier,
As shown in Figure 2, Figure 4 shows.Remaining feature of the communication system 500 of Fig. 5 all with the communication system of Fig. 1
100 is similar, therefore these two embodiments all can reach similar operating effect.
Fig. 6 is to show the schematic diagram according to the communication system 600 described in one embodiment of the invention.Fig. 6
Similar with Fig. 5.In the embodiment in fig 6, the antenna structure 580 of communication system 600 also has one
Short dot 583, it is coupled to an earthing potential GND.In certain embodiments, antenna structure 580
Short dot 583 be another corner being located substantially at its Part I 587.Such as, load point 582
Relative two corners of the Part I 587 of rectangle can be laid respectively at short dot 583, but do not limit
In this.It addition, communication system 600 also includes wave filter 140 and a match circuit 144.Wave filter
140 are coupled between the short dot 583 of antenna structure 580 and earthing potential GND, and are used for stopping
The frequency of this second frequency band (that is, a frequency modulation frequency band, it is about between 88MHz to 108MHz)
Rate.Owing to this second frequency band in this secondary communication path is corresponding to longer wavelength, in antenna structure 580
A grounding path in add for stopping the wave filter 140 of this second frequency band, this grounding path can be made
Be an open circuit (Open Circuit) for the signal of this second frequency band, with maintain antenna structure 580 in
Effective resonant length of this second frequency band.In certain embodiments, short dot 583 also can be via filtering
Device 140 and match circuit 144 are coupled to earthing potential GND.Match circuit 144 can include one or many
Individual inducer and capacitor.Match circuit 144 is this grounding path for adjusting antenna structure 580
Impedance matching, but be not necessity element of the present invention.Remaining feature of the communication system 600 of Fig. 6
All similar to the communication system 500 of Fig. 5, therefore the two embodiment all can reach similar operation effect
Really.
Fig. 7 is to show the schematic diagram according to the communication system 700 described in one embodiment of the invention.Fig. 7
Similar with Fig. 6.In the embodiment of Fig. 7, communication system 700 also includes a Parasitica 710.Parasitic
Portion 710 can be the planar structure that metal is made, such as: copper, silver, or aluminum.In some embodiments
In, Parasitica 710 can be printed on a medium substrate, such as: a FR4 substrate.Such as Fig. 7 institute
Showing, Parasitica 710 separates with antenna structure 580, and has a short dot 713.Parasitica 710 connects
Nearly antenna structure 580, and there is between Parasitica 710 and antenna structure 580 a narrow and small coupling gap
G1.In certain embodiments, Parasitica 710 substantially I font, and short dot 713 is substantially
It is positioned at one end of Parasitica 710.In other embodiments, Parasitica 710 is alternatively other shapes,
Such as, substantially one L-shaped, a S font, or a U-shaped, and short dot 713 is the most substantially
It is positioned at one end of Parasitica 710.In certain embodiments, the short dot 713 of Parasitica 710 is close
The short dot 583 of antenna structure 580.It addition, communication system 700 also includes a wave filter 150 and
Match circuit 154.Wave filter 150 is coupled to short dot 713 and the earthing potential of Parasitica 710
Between GND, and be used for stopping this second frequency band (that is, a frequency modulation frequency band, it is about between 88MHz
Between 108MHz) frequency.Similarly, wave filter 150 can make a ground connection of Parasitica 710
Path is an open circuit for the signal of this second frequency band.In certain embodiments, short dot 713
Also can be coupled to earthing potential GND via wave filter 150 and match circuit 154.Match circuit 154
One or more inducer and capacitor can be included.Match circuit 154 is for adjusting being somebody's turn to do of Parasitica 710
The impedance matching of grounding path, but be not necessity element of the present invention.The communication system 700 of Fig. 7
Remaining feature is all similar to the communication system 600 of Fig. 6, therefore the two embodiment all can be reached similar
Operating effect.
Fig. 8 is to show the flow chart according to the communication control method described in one embodiment of the invention.First
First, in step S810, by an antenna structure, receive or (and) transmit and be positioned at the one of one first frequency band
First signal and be positioned at a secondary signal of one second frequency band, wherein this first frequency band be different from this
Two frequency bands, and this second frequency band is a frequency modulation frequency band, about between 88MHz to 108MHz.?
Step S820, by one first wave filter, makes the frequency of this first frequency band pass through, and stop this second
The frequency of frequency band.In step S830, by one second wave filter, the frequency of this second frequency band is made to lead to
Cross, and stop the frequency of this first frequency band.In step S840, by one first radio frequency chip, process
Or (and) produce this first signal, wherein this first radio frequency chip is coupled to this sky via this first wave filter
One load point of line structure.Finally, in step S850, by one second radio frequency chip, process or (and)
Producing this secondary signal, wherein this second radio frequency chip is coupled to this antenna knot via this second wave filter
This load point of structure.It should be noted that above step to be not necessary to according to order to perform.It addition, Fig. 1-
Each detail characteristic of the embodiment of Fig. 7 all can be applied to this communication control method.
Above-described component shape, component parameters, and the most non-restriction for the present invention of frequency band range
Condition.Designer can need to adjust these setting values according to difference.
The present invention provides the communication system of a kind of novelty, and it includes that a shared antenna structure is multiple to support
The radio communication of frequency band.Owing to need not extra antenna structure and Antenna Design space, the present invention will
Hold the mobile device being easily applied to various miniaturization so that it is more can operate at least one frequency modulation frequency band.
Ordinal number in this specification and claim, such as " first ", " second ",
" 3rd " etc., each other precedence relationship the most sequentially, it is only used for indicating differentiation two
The individual different elements with same name.
Though with preferred embodiment disclosure as above, so it is not limited to the scope of the present invention to the present invention,
Any technical staff being familiar with this area general knowledge, without departing from the spirit and scope of the present invention,
When doing a little change and retouching, therefore protection scope of the present invention is when regarding appended claim institute
Define in the range of standard.
Claims (18)
1. a communication system, including:
One antenna structure, has a load point, and is positioned at the one of one first frequency band for receiving or transmitting
First signal and be positioned at a secondary signal of one second frequency band, wherein this first frequency band be different from this
Two frequency bands, and this second frequency band is a frequency modulation frequency band, about between 88MHz to 108MHz；
One first wave filter, for making the frequency of this first frequency band pass through, and stops this second frequency band
Frequency；
One second wave filter, for making the frequency of this second frequency band pass through, and stops this first frequency band
Frequency；
One first radio frequency chip, is coupled to this load point of this antenna structure via this first wave filter,
And be used for processing or produce this first signal；And
One second radio frequency chip, is coupled to this load point of this antenna structure via this second wave filter,
And be used for processing or produce this secondary signal；
Wherein this antenna structure includes a Part I and a Part II, this Part I substantially
Rectangle, this Part II substantially is J-shaped；
Wherein this Part I of this antenna structure and this Part II define a breach, and this breach
Substantially one L-shaped；
Wherein this antenna structure also has one first short dot, and this communication system also includes one the 4th filtering
Device, the 4th wave filter is coupled between this first short dot and an earthing potential, and is used for stopping this
The frequency of the second frequency band；
Wherein this load point lays respectively at relative two corners of this Part I with this first short dot.
2. communication system as claimed in claim 1, wherein this first frequency band is a bluetooth or a Wi-Fi
Frequency band, about between 2400MHz to 2500MHz.
3. communication system as claimed in claim 1, wherein this first frequency band is a global positioning satellite
Band system band, about between 1565MHz to 1585MHz.
4. communication system as claimed in claim 1, wherein this first frequency band is a simulated television frequency
Band, about between 470MHz to 862MHz.
5. communication system as claimed in claim 1, wherein this first frequency band is a near-field communication frequency
Band, is located approximately at 13.56MHz.
6. communication system as claimed in claim 1, wherein this first frequency band is a wireless charging frequency
Band, is located approximately at 13.56MHz.
7. communication system as claimed in claim 1, also includes:
One first low-noise amplifier, for amplifying this first signal of reception, wherein this first radio frequency
Chip is coupled to this feed-in of this antenna structure via this first low-noise amplifier and this first wave filter
Point；And
One second low-noise amplifier, for amplifying this secondary signal of reception, wherein this second radio frequency
Chip is coupled to this feed-in of this antenna structure via this second low-noise amplifier and this second wave filter
Point.
8. communication system as claimed in claim 1, also includes:
One first match circuit, wherein this first radio frequency chip via this first match circuit and this first
Wave filter is coupled to this load point of this antenna structure；And
One second match circuit, wherein this second radio frequency chip via this second match circuit and this second
Wave filter is coupled to this load point of this antenna structure.
9. communication system as claimed in claim 1, wherein this antenna structure is additionally operable to receive or transmit
Being positioned at one the 3rd signal of one the 3rd frequency band, the 3rd frequency band is different from this second frequency band, and this communication
System also includes:
One the 3rd wave filter, for making the frequency of the 3rd frequency band pass through, and stop this first frequency band and
The frequency of this second frequency band；And
One the 3rd radio frequency chip, is coupled to this load point of this antenna structure via the 3rd wave filter,
And be used for processing or produce the 3rd signal；
Wherein, this first wave filter and this second wave filter are additionally operable to stop the frequency of the 3rd frequency band.
10. communication system as claimed in claim 9, wherein this first frequency band is a bluetooth or a Wi-
Fi frequency band, about between 2400MHz to 2500MHz, and the 3rd frequency band is a Global Satellite
Alignment system frequency band, about between 1565MHz to 1585MHz.
11. communication systems as claimed in claim 9, wherein this first frequency band is a near-field communication frequency
Band, is located approximately at 13.56MHz, and the 3rd frequency band is a wireless charging frequency band, be located approximately at
13.56MHz。
12. communication systems as claimed in claim 9, also include:
One the 3rd low-noise amplifier, for amplifying the 3rd signal of reception, wherein the 3rd radio frequency
Chip is coupled to this feed-in of this antenna structure via the 3rd low-noise amplifier and the 3rd wave filter
Point.
13. communication systems as claimed in claim 9, also include:
One the 3rd match circuit, wherein the 3rd radio frequency chip is via the 3rd match circuit and the 3rd
Wave filter is coupled to this load point of this antenna structure.
14. described communication systems as claimed in claim 1, also include:
One the 4th match circuit, wherein this first short dot is via the 4th wave filter and the 4th coupling
Circuit is coupled to this earthing potential.
15. communication systems as claimed in claim 1, also include:
One Parasitica, separates with this antenna structure, and close to this antenna structure, wherein this Parasitica tool
There is one second short dot；And
One the 5th wave filter, is coupled between this second short dot and an earthing potential, and is used for stopping
The frequency of this second frequency band.
16. communication systems as described in claim 15, also include:
One the 5th match circuit, wherein this second short dot is via the 5th wave filter and the 5th coupling
Circuit is coupled to this earthing potential.
17. communication system as claimed in claim 15, wherein this Parasitica substantially I fonts,
And this second short dot is located substantially at one end of this Parasitica.
18. 1 kinds of communication control methods, comprise the following steps:
By an antenna structure, receive or transmit and be positioned at one first signal of one first frequency band and be positioned at
One secondary signal of one second frequency band, wherein this first frequency band is different from this second frequency band, and this second
Frequency band is a frequency modulation frequency band, about between 88MHz to 108MHz；
By one first wave filter, make the frequency of this first frequency band pass through, and stop this second frequency band
Frequency；
By one second wave filter, make the frequency of this second frequency band pass through, and stop this first frequency band
Frequency；
By one first radio frequency chip, process or produce this first signal, wherein this first radio frequency chip
It is coupled to this antenna structure one load point via this first wave filter；And
By one second radio frequency chip, process or produce this secondary signal, wherein this second radio frequency chip
This load point of this antenna structure it is coupled to via this second wave filter；
Wherein this antenna structure includes a Part I and a Part II, this Part I substantially
Rectangle, this Part II substantially is J-shaped；
Wherein this Part I of this antenna structure and this Part II define a breach, and this breach
Substantially one L-shaped；
Wherein this antenna structure also has one first short dot, and it is first short that one the 4th wave filter is coupled to this
Between waypoint and an earthing potential, and for stopping the frequency of this second frequency band；
Wherein this load point lays respectively at relative two corners of this Part I with this first short dot.
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| CN106025499A (en) * | 2016-07-29 | 2016-10-12 | 宇龙计算机通信科技(深圳)有限公司 | Antenna device and mobile terminal |
| CN106299600A (en) * | 2016-08-12 | 2017-01-04 | 珠海格力电器股份有限公司 | Multifunctional antenna control method and device and smart phone with device |
| TWI638485B (en) * | 2017-10-05 | 2018-10-11 | 廣達電腦股份有限公司 | Wearable device |
| CN107919523A (en) * | 2017-10-31 | 2018-04-17 | 维沃移动通信有限公司 | A kind of antenna assembly and mobile terminal |
| KR102068569B1 (en) * | 2018-04-05 | 2020-01-21 | 엘지전자 주식회사 | Mobile terminal |
| US10306029B1 (en) | 2018-04-05 | 2019-05-28 | Lg Electronics Inc. | Mobile terminal |
| KR102068570B1 (en) * | 2018-04-05 | 2020-01-21 | 엘지전자 주식회사 | Mobile terminal |
| CN109495138B (en) * | 2018-10-29 | 2021-01-26 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
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| FI119404B (en) * | 2006-11-15 | 2008-10-31 | Pulse Finland Oy | Built-in multi-band antenna |
| CN101882941A (en) * | 2010-07-07 | 2010-11-10 | 中兴通讯股份有限公司 | Device and equipment for quadruple-frequency transceiving of global mobile communication system |
| CN202352835U (en) * | 2011-09-21 | 2012-07-25 | 上海科世达-华阳汽车电器有限公司 | Antenna capable of switching electric wave polarization direction, and circuit |
| CN202352836U (en) * | 2011-10-28 | 2012-07-25 | 希姆通信息技术（上海）有限公司 | Double-frequency common antenna |
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