CN104753554A - Radio-frequency device and wireless communication device - Google Patents
Radio-frequency device and wireless communication device Download PDFInfo
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- CN104753554A CN104753554A CN201310737700.4A CN201310737700A CN104753554A CN 104753554 A CN104753554 A CN 104753554A CN 201310737700 A CN201310737700 A CN 201310737700A CN 104753554 A CN104753554 A CN 104753554A
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Abstract
The invention discloses a radio-frequency device and a wireless communication device. The radio-frequency device is applied to the wireless communication device, and comprises an antenna setting area, a grounding assembly, and a first antenna and a second antenna which are arranged in the antenna setting area and are used for receiving and transmitting a first wireless signal and a second wireless signal respectively; the first antenna comprises a feed-in board which is provided with a feed-in part, a first radiation body which is coupled to the feed-in board, is electrically connected to the grounding assembly, and is used for transmitting the first wireless signal, a first signal feed-in assembly which is electrically connected to the feed-in part and is used for transmitting the first wireless signal to the first radiation body through the feed-in board in order to transmit the first wireless signal through the first radiation body, and a metal support arm which is electrically connected to the grounding assembly; the first antenna and the second antenna share the grounding assembly positioned between the first antenna and the second antenna; the feed-in board is positioned between the metal support arm and the first radiation body; and the metal support arm is used for guiding a reflected signal of the second wireless signal to the metal support arm in order to increase the antenna isolation degree. Through adoption of the radio-frequency device and the wireless communication device, the antenna efficiency can be increased, and normal running of wireless transmission is ensured.
Description
Technical field
The present invention relates to a kind of radio-frequency unit and radio communication device, espespecially one can promote isolation, to place multiple antenna in the confined space, and maintains radio-frequency unit and the radio communication device of antenna performance and bandwidth.
Background technology
There is the electronic product of radio communication function, as notebook computer, personal digital assistant (Personal DigitalAssistant), wireless base station, mobile phone, intelligent electric meter (Smart Meter), USB wireless network card (USB dongle) etc., launched by antenna or receive radio wave, to transmit or to exchange radio signal, and then access of radio network.Therefore, in order to allow user can access to wireless communication network more easily, the bandwidth of ideal antenna should increase as much as possible in tolerance band, and size then should reduce as far as possible, to coordinate the trend of electronic product volume-diminished.In addition, along with the continuous evolution of wireless communication technology, the antenna amount that electronic product configures may increase.For example, in the design of USB wireless network card, the different wireless communication system (as Bluetooth and WiFi) of same frequency band can be used to perform different application to allow the user of related electronic products simultaneously, or promote the spectrum efficiency of wireless communication system and transmission rate to improve communication quality, USB wireless network card need utilize multiple (or many groups) antenna synchronous transmitting/receiving wireless signal, space is divided into many passages, and then multiple antenna patterns illustrated is provided.Organize antenna owing to using, one of emphasis need considered when the problem of interference mutually also just becomes design between antenna more.
In the design of wireless communications products, many group antennas to be placed on the diagonal of wireless communications products or the position of lie farthest away on longest edge usually respectively, to reduce the interference between many group antennas as far as possible, and reach best complimentary antennas characteristic.But, when wireless communications products overall dimensions or wherein can arrange the region of antenna less time, the layout of many group antennas need be considered simultaneously, avoid mutually disturbing between antenna, therefore increase many design difficulty.
In addition, along with the technological progress of wireless communication system, one of broad-band antenna primary demand becoming communication system already.Common broad-band antenna, as planar inverted-F antenna, though it can reach the object of transmitting-receiving multi-frequency radio signal, but, the radiant body length of this kind of antenna is oversize, cannot be installed in miniaturized wireless communication system, and low frequency bandwidth deficiency (about 110MHz), wide band communications system demand cannot be met.
Therefore, in the confined space, how to design the antenna that many groups meet transmission demand, take into account each beamwidth of antenna, efficiency and isolation simultaneously, also just become one of target that industry makes great efforts.
Thus, need to provide a kind of radio-frequency unit and radio communication device to meet the demand.
Summary of the invention
The present invention mainly provides a kind of radio-frequency unit and the radio communication device that promote isolation between antennas, to place multiple antenna in the confined space, and maintains the beamwidth of antenna and usefulness.
The present invention discloses a kind of radio-frequency unit, and this radio-frequency unit is used for a radio communication device, and this radio-frequency unit comprises: an antenna setting area; One grounding assembly, this grounding assembly is used to provide ground connection; One first antenna, this first antenna is arranged in this antenna setting area, is used for transmitting-receiving one first wireless signal; And one second antenna, this second antenna is arranged in this antenna setting area, is used for transmitting-receiving one second wireless signal; This first antenna comprises: a feed-in plate, and this feed-in plate has a feeding portion; One first radiant body, this first radiant body is coupled to this feed-in plate, and is electrically connected at this grounding assembly, is used for launching this first wireless signal; One first signal feed-in assembly, this first signal feed-in assembly is electrically connected at this feeding portion, is used for this first wireless signal to be sent to this first radiant body through this feed-in plate, to launch this first wireless signal by this first radiant body; And a metal support arm, this metal support arm is electrically connected at this grounding assembly; Wherein, this grounding assembly is between this first antenna and this second antenna, this first antenna and this this grounding assembly of the second antenna duplexer, this feed-in plate is between this metal support arm and this first radiant body, this metal support arm is used for guiding a reflected signal of this second wireless signal on this metal support arm, to promote the isolation of this first antenna and this second antenna.
The present invention also discloses a kind of radio communication device, and this radio communication device comprises: a system earth part, and this system earth part is used to provide ground connection; One radio-frequency signal processing module, this radio-frequency signal processing module is used for processing multiple wireless signal; And a radio-frequency unit, this radio-frequency unit comprises: an antenna setting area, and the central authorities of this antenna setting area arrange this radio-frequency signal processing module; One grounding assembly, this grounding assembly is electrically connected this system earth part; One first antenna, this first antenna is arranged in this antenna setting area, is used for receiving and dispatching one first wireless signal of the plurality of wireless signal; And one second antenna, this second antenna is arranged in this antenna setting area, is used for receiving and dispatching one second wireless signal of the plurality of wireless signal; This first antenna comprises: a feed-in plate, and this feed-in plate has a feeding portion; One first radiant body, this first radiant body is coupled to this feed-in plate, and is electrically connected at this grounding assembly, is used for launching this first wireless signal; One first signal feed-in assembly, this first signal feed-in assembly is electrically connected at this feeding portion, is used for this first wireless signal to be sent to this first radiant body through this feed-in plate, to launch this first wireless signal by this first radiant body; And a metal support arm, this metal support arm is electrically connected at this grounding assembly; Wherein, this grounding assembly is between this first antenna and this second antenna, this first antenna and this this grounding assembly of the second antenna duplexer, this feed-in plate is between this metal support arm and this first radiant body, this metal support arm is used for guiding a reflected signal of this second wireless signal on this metal support arm, to promote the isolation of this first antenna and this second antenna.
The present invention to guide transmission of signal and the reflected signal of antenna, to promote multiple isolation between antennae under the confined space, increases antenna efficiency, to guarantee the normal operation of wireless transmission by increase metal support arm by this.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a radio communication device of the embodiment of the present invention.
Fig. 2 is the schematic diagram of a radio-frequency unit of the embodiment of the present invention.
Fig. 3 A is the low-frequency current distribution schematic diagram of Fig. 2 radio-frequency unit.
Fig. 3 B is the high-frequency current distribution schematic diagram of Fig. 2 radio-frequency unit.
Fig. 4 A to Fig. 4 C is the voltage standing wave ratio schematic diagram of Fig. 2 radio-frequency unit.
Fig. 5 A to Fig. 5 B is the isolation between antennas schematic diagram of Fig. 2 radio-frequency unit.
Fig. 6 is the schematic diagram of a radio-frequency unit of the embodiment of the present invention.
Fig. 7 A to Fig. 7 B is the voltage standing wave ratio schematic diagram of Fig. 6 radio-frequency unit.
Fig. 8 is the isolation between antennas schematic diagram of Fig. 6 radio-frequency unit.
Primary clustering symbol description:
10 radio communication devices
102 radio-frequency signal processing modules
100,20,60 radio-frequency units
200,210,220,600,610 antennas
230,630 grounding assemblies
250,650 antenna setting areas
202,602 metal support arms
204,212,214,222,224,604,612,614 radiant bodies
206,606 feed-in plates
207,607 feeding portions
216,226,616 short-circuit component
208,218,228,608,618 signal feed-in assemblies
D1, D2, D3 direction
H1 coupling space
H2 distance
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of a radio communication device 10 of the embodiment of the present invention.Radio communication device 10 can be any electronic product with radio communication function, as mobile phone, computer system, wireless access point device, wireless base station, USB wireless network card etc., it is made up of a radio-frequency unit 100 and a radio-frequency signal processing module 102 briefly.Radio-frequency unit 100 provides a radio communication function of radio communication device 10, and more precisely, radio-frequency signal processing module 102 can support that the wireless signal of multiple same frequency band is received and dispatched simultaneously, and radio-frequency unit 100 can guarantee this operation under isolation.So-called " wireless signal of multiple same frequency band is received and dispatched simultaneously " can be the wireless communication systme synchronization transmitting/receiving wireless signal supporting multiple input multiple output communications technology, or adopts different wireless communication system (as Bluetooth(bluetooth) and Wi-Fi) the transmitting/receiving wireless signal simultaneously of same frequency band.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of a radio-frequency unit 20 of the embodiment of the present invention.Radio-frequency unit 20 can be applicable in the radio-frequency unit 100 in Fig. 1, includes one first antenna 200,1 second antenna 210, third antenna 220, grounding assembly 230 and an antenna setting area 250.First antenna 200, second antenna 210 and third antenna 220 are arranged in antenna setting area 250, are used for receiving and dispatching the wireless signal of multiple same frequency band simultaneously.For example, the first antenna 200 can be used to the signal receiving and dispatching Bluetooth communication system, and the second antenna 210 and third antenna 220 can be used to the signal receiving and dispatching WiFi communication system.First antenna 200 includes metal support arm 202,1 first radiant body 204, feed-in plate 206 and a signal feed-in assembly 208.Feed-in plate 206 has a feeding portion 207.Signal feed-in assembly 208 is electrically connected at feeding portion 207, is used for wireless signal to be sent to the first radiant body 204 through feed-in plate 206; First radiant body 204 is arranged at the side of feed-in plate 206, be electrically connected at grounding assembly 230, and be coupled to feed-in plate 206, namely it produces signal by coupled modes and feed-in plate 206 and links, to receive by the wireless signal of feed-in plate 206 feed-in, and then wireless signal emission.Relative to the first radiant body 204, the opposite side of feed-in plate 206 is then provided with metal support arm 202, and metal support arm 202 is less than or equal to 5mm haply with a distance h2 of feeding portion 207, and it is also electrically connected at grounding assembly 230.The length of the first radiant body 204 and metal support arm 202 is the quarter-wave of an operating frequency haply, but both do not need isometric.In the embodiment of fig. 2, metal support arm 202 is roughly parallel to the first radiant body 204, but is not limited thereto.In other embodiments, metal support arm 202 can be not parallel to the first radiant body 204.Beeline between metal support arm 202 and the first radiant body 204 need be greater than certain value, such as be applied in the system of Bluetooth or Wi-Fi, beeline between metal support arm 202 and the first radiant body 204 needs to be more than or equal to 15mm haply, certainly, in the system of different frequency, the beeline between metal support arm 202 and the first radiant body 204 can do suitable adjustment.In the case, a reflected signal of the wireless signal that the second antenna 210 and third antenna 220 can produce by metal support arm 202 is directed on metal support arm 202, to promote the isolation between antenna 200,210,220, and then reaches good antenna efficiency.
Specifically, the second antenna 210 and third antenna 220 and the first antenna 200 are arranged on same substrate, and shared grounding assembly 230, to connect a system earth part of radio communication device 10.Radio-frequency signal processing module 102 is arranged at the central authorities of antenna setting area 250, first antenna 200 is arranged at one end of antenna setting area 250 haply, the other end of antenna setting area 250 on the bearing of trend D1 that the second antenna 210 and third antenna 220 are arranged at the first radiant body 204 and metal support arm 202 haply.Second antenna 210 includes one second radiant body 212, the 3rd radiant body 214, short-circuit component 216 and a signal feed-in assembly 218, and third antenna 220 includes one the 4th radiant body 222, the 5th radiant body 224, short-circuit component 226 and a signal feed-in assembly 228.As shown in Figure 2, the antenna form of the second antenna 210 and third antenna 220 is similar to planar inverted F-antenna and adds earth point (short-circuit component 216,226), but is not limited thereto, and other forms of antenna also has similar effect.Second radiant body 212 and the 4th radiant body 222 are used for exciting the mode compared with low frequency, and the 3rd radiant body 214 and the 5th radiant body 224 are used for exciting the mode of higher-frequency.Wherein, CURRENT DISTRIBUTION when the first antenna 200, second antenna 210 and third antenna 220 operate simultaneously is as shown in Fig. 3 A and Fig. 3 B, and Fig. 3 A shows low-frequency current distribution, and Fig. 3 B shows high-frequency current distribution.Establish because the second antenna 210 is relative with third antenna 220, therefore wireless signal on the second antenna 210 and third antenna 220 (as in short-circuit component 216,226) the sense of current D2, D3 of producing contrary, therefore have good isolation between antennas between the second antenna 210 and third antenna 220.In addition, the reflected signal that the second antenna 210 and third antenna 220 produce can be directed on metal support arm 202 and not disturb the first antenna 200 by metal support arm 202, to promote the isolation between the first antenna 200 and the second antenna 210 and third antenna 220.In addition, the metal support arm 202 resonance current major part also can guided in the first antenna 200 flow in the first radiant body 204, therefore can guarantee that the first antenna 200 has good usefulness.
Further, Fig. 4 A is voltage standing wave ratio (the Voltage Standing Wave Ratio of the first antenna 200, VSWR) schematic diagram, Fig. 4 B is the voltage standing wave ratio schematic diagram of the second antenna 210, Fig. 4 C is the voltage standing wave ratio schematic diagram of third antenna 220, Fig. 5 A is the isolation between antennas schematic diagram of the first antenna 200 and the second antenna 210, and Fig. 5 B is the isolation between antennas schematic diagram of the first antenna 200 and third antenna 220.As shown in Fig. 4 A to Fig. 5 B, the first antenna 200, second antenna 210 and third antenna 220 have good bandwidth, and the isolation between antenna all can reach about-25dB.
Should be noted, the present invention utilizes the metal support arm 202 resonance current major part guided in the first antenna 200 to flow in the first radiant body 204, and make the reflected current of other antennas flow on metal support arm 202 and not disturb the first radiant body 204, to guarantee that antenna has good bandwidth, efficiency and isolation, those of ordinary skill in the art should do different modifications according to this, and is not limited thereto.For example, the wireless signal that the first antenna 200 produces is fed into the first radiant body 204 with coupled modes by feed-in plate 206, and its coupling space h1 can do suitable adjustment, but is not limited thereto.First antenna 200 also can do suitable modification, makes wireless signal with other feed-in mode feed-in first radiant body 204.In addition, the all visual different designs demands such as metal support arm 202, first radiant body 204, feed-in plate 206, second radiant body 212, the 3rd radiant body 214, the 4th radiant body 222, the 5th radiant body 224 extend in X, Y, Z axis direction or change, and are not limited to the shape in Fig. 1.Short-circuit component 216,226 is in order to connect radiant body 212,222 and grounding assembly 230, and in order to adjust Antenna Impedance Matching, therefore the coupling of the visual entire physical of form of short-circuit component 216,226 and bandwidth do appropriateness adjustment, and its shape is also unrestricted.Moreover the substrate being used for arranging radio-frequency unit 20 can be a printed circuit board (PCB) (Printed Circuit Board, PCB), can also be the substrate of other materials.
Please refer to Fig. 6, Fig. 6 is the schematic diagram of a radio-frequency unit 60 of another embodiment of the present invention.Radio-frequency unit 60 is similar with radio-frequency unit 20, unlike the application of radio-frequency unit 60 for two antennas, in antenna setting area 650, therefore only arranges the first antenna 600 and the second antenna 610.First antenna 600 is similar to the first antenna 200, and main difference is shape and the width of metal support arm 602.Due to the beeline between metal support arm 602 and the first radiant body 604 be greater than certain value time, effect of the present invention can be reached, therefore the shape of metal support arm 602 and width can adjust on demand, do not affect the function of metal support arm 602.That is, the metal support arm 602 resonance current major part similarly can guided in the first antenna 600 flow in the first radiant body 604, and make the reflected current of other antennas (i.e. the second antenna 610) flow on metal support arm 602 and not disturb the first radiant body 604, to guarantee that antenna has good bandwidth, efficiency and isolation.Fig. 7 A is the voltage standing wave ratio schematic diagram of the first antenna 600, and Fig. 7 B is the voltage standing wave ratio schematic diagram of the second antenna 610, and Fig. 8 is the isolation between antennas schematic diagram of the first antenna 600 and the second antenna 610.As shown in Fig. 7 A to Fig. 8, the first antenna 600 and the second antenna 610 have good bandwidth, and the isolation between antenna also can reach about-25dB.
In addition, the first radiant body 604 of the first antenna 600 is in order to excite the mode compared with low frequency, and feed-in plate 606 also visual application is different and as a high frequency radiation body, in order to excite the mode of higher-frequency.Short-circuit component 616 connects the second radiant body 612, the 3rd radiant body 614 and the grounding assembly 630 of the second antenna 610, in order to adjust Antenna Impedance Matching, therefore the coupling of the visual entire physical of the form of short-circuit component 616 and bandwidth do appropriateness adjustment, and its shape is also unrestricted.Apart from the above, relevant modifications and the change of radio-frequency unit 20 all can be applicable to radio-frequency unit 60, and unlimited.
In addition, known by industry, the radiation frequency, bandwidth, efficiency etc. of antenna are relevant to antenna pattern, material etc., therefore, designer suitably should adjust the size of each assembly in X, Y, Z axis direction, width, spacing etc. in antenna 200,210,220,600 and 610, to meet needed for system.Other shapes, position etc. as material, production method, each assembly all can do suitable change in response to different demand, are not limited thereto.
In sum, the present invention to guide transmission of signal and the reflected signal of antenna, to promote multiple isolation between antennae under the confined space, increases antenna efficiency, to guarantee the normal operation of wireless transmission by increase metal support arm by this.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of claims of the present invention and modification, all should belong to covering scope of the present invention.
Claims (18)
1. a radio-frequency unit, this radio-frequency unit is used for a radio communication device, and this radio-frequency unit comprises:
One antenna setting area;
One grounding assembly, this grounding assembly is used to provide ground connection;
One first antenna, this first antenna is arranged in this antenna setting area, is used for transmitting-receiving one first wireless signal, and this first antenna comprises:
One feed-in plate, this feed-in plate has a feeding portion;
One first radiant body, this first radiant body is coupled to this feed-in plate, and is electrically connected at this grounding assembly, is used for launching this first wireless signal;
One first signal feed-in assembly, this first signal feed-in assembly is electrically connected at this feeding portion, is used for this first wireless signal to be sent to this first radiant body through this feed-in plate, to launch this first wireless signal by this first radiant body; And
One metal support arm, this metal support arm is electrically connected at this grounding assembly; And
One second antenna, this second antenna is arranged in this antenna setting area, is used for transmitting-receiving one second wireless signal;
Wherein, this grounding assembly is between this first antenna and this second antenna, this first antenna and this this grounding assembly of the second antenna duplexer, this feed-in plate is between this metal support arm and this first radiant body, this metal support arm is used for guiding a reflected signal of this second wireless signal on this metal support arm, to promote the isolation of this first antenna and this second antenna.
2. radio-frequency unit as claimed in claim 1, wherein this first wireless signal is fed into this first radiant body with coupled modes by this feed-in plate.
3. radio-frequency unit as claimed in claim 1, wherein this second antenna comprises:
One second radiant body;
One the 3rd radiant body, the 3rd radiant body is electrically connected at this grounding assembly;
One secondary signal feed-in assembly, this secondary signal feed-in assembly is electrically connected at this second radiant body, is used for this second wireless signal to be sent to this second radiant body, to launch this second wireless signal by this second radiant body; And
One first short-circuit component, this first short-circuit component is electrically connected between this second radiant body and this grounding assembly.
4. radio-frequency unit as claimed in claim 1, wherein this radio-frequency unit also comprises a third antenna, and this third antenna is arranged in this antenna setting area, is used for transmitting-receiving 1 the 3rd wireless signal, and this third antenna comprises:
One the 4th radiant body;
One the 5th radiant body, the 5th radiant body is electrically connected at this grounding assembly;
One the 3rd signal feed-in assembly, the 3rd signal feed-in assembly is electrically connected at the 4th radiant body, is used for the 3rd wireless signal to be sent to the 4th radiant body, to launch the 3rd wireless signal by the 4th radiant body; And
One second short-circuit component, this second short-circuit component is electrically connected between the 4th radiant body and this grounding assembly.
5. radio-frequency unit as claimed in claim 4, wherein the sense of current that produces in this first short-circuit component of this second wireless signal is contrary with the sense of current that the 3rd wireless signal produces in this second short-circuit component.
6. radio-frequency unit as claimed in claim 1, wherein a radio-frequency signal processing module of this radio communication device is arranged on this antenna setting area, between this first antenna and this second antenna.
7. radio-frequency unit as claimed in claim 1, wherein this metal support arm is roughly parallel to this first radiant body.
8. radio-frequency unit as claimed in claim 1, wherein a distance of this metal support arm and this feeding portion is less than or equal to 5mm haply.
9. radio-frequency unit as claimed in claim 1, wherein a beeline of this metal support arm and this first radiant body is more than or equal to 15mm haply.
10. a radio communication device, this radio communication device comprises:
One system earth part, this system earth part is used to provide ground connection;
One radio-frequency signal processing module, this radio-frequency signal processing module is used for processing multiple wireless signal; And
One radio-frequency unit, this radio-frequency unit comprises:
One antenna setting area, the central authorities of this antenna setting area arrange this radio-frequency signal processing module;
One grounding assembly, this grounding assembly is electrically connected this system earth part;
One first antenna, this first antenna is arranged in this antenna setting area, and be used for receiving and dispatching one first wireless signal of the plurality of wireless signal, this first antenna comprises:
One feed-in plate, this feed-in plate has a feeding portion;
One first radiant body, this first radiant body is coupled to this feed-in plate, and is electrically connected at this grounding assembly, is used for launching this first wireless signal;
One first signal feed-in assembly, this first signal feed-in assembly is electrically connected at this feeding portion, is used for this first wireless signal to be sent to this first radiant body through this feed-in plate, to launch this first wireless signal by this first radiant body; And
One metal support arm, this metal support arm is electrically connected at this grounding assembly; And
One second antenna, this second antenna is arranged in this antenna setting area, is used for receiving and dispatching one second wireless signal of the plurality of wireless signal;
Wherein, this grounding assembly is between this first antenna and this second antenna, this first antenna and this this grounding assembly of the second antenna duplexer, this feed-in plate is between this metal support arm and this first radiant body, this metal support arm is used for guiding a reflected signal of this second wireless signal on this metal support arm, to promote the isolation of this first antenna and this second antenna.
11. radio communication devices as claimed in claim 10, wherein this first wireless signal is fed into this first radiant body with coupled modes by this feed-in plate.
12. radio communication devices as claimed in claim 10, wherein this second antenna comprises:
One second radiant body;
One the 3rd radiant body, the 3rd radiant body is electrically connected at this grounding assembly;
One secondary signal feed-in assembly, this secondary signal feed-in assembly is electrically connected at this second radiant body, is used for this second wireless signal to be sent to this second radiant body, to launch this second wireless signal by this second radiant body; And
One first short-circuit component, this first short-circuit component is electrically connected between this second radiant body and this grounding assembly.
13. radio communication devices as claimed in claim 10, wherein this radio-frequency unit also comprises a third antenna, and this third antenna is arranged in this antenna setting area, is used for transmitting-receiving 1 the 3rd wireless signal, and this third antenna comprises:
One the 4th radiant body;
One the 5th radiant body, the 5th radiant body is electrically connected at this grounding assembly;
One the 3rd signal feed-in assembly, the 3rd signal feed-in assembly is electrically connected at the 4th radiant body, is used for the 3rd wireless signal to be sent to the 4th radiant body, to launch the 3rd wireless signal by the 4th radiant body; And
One second short-circuit component, this second short-circuit component is electrically connected between the 4th radiant body and this grounding assembly.
14. radio communication devices as claimed in claim 13, wherein the sense of current that produces in this first short-circuit component of this second wireless signal is contrary with the sense of current that the 3rd wireless signal produces in this second short-circuit component.
15. radio communication devices as claimed in claim 10, wherein this radio-frequency signal processing module is arranged on this antenna setting area, between this first antenna and this second antenna.
16. radio communication devices as claimed in claim 10, wherein this metal support arm is roughly parallel to this first radiant body.
17. radio communication devices as claimed in claim 10, wherein a distance of this metal support arm and this feeding portion is less than or equal to 5mm haply.
18. radio communication devices as claimed in claim 10, wherein a beeline of this metal support arm and this first radiant body is more than or equal to 15mm haply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737700.4A CN104753554B (en) | 2013-12-27 | 2013-12-27 | Radio-frequency unit and radio communication device |
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| CN201310737700.4A CN104753554B (en) | 2013-12-27 | 2013-12-27 | Radio-frequency unit and radio communication device |
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| CN104753554A true CN104753554A (en) | 2015-07-01 |
| CN104753554B CN104753554B (en) | 2017-08-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105375108A (en) * | 2015-11-30 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal with MIMO (Multiple-Input Multiple-Output) antenna |
| CN107039757A (en) * | 2015-12-30 | 2017-08-11 | 三星电机株式会社 | Antenna spacing is from improvedd antenna communication device |
| CN108965523A (en) * | 2018-07-10 | 2018-12-07 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN109672019A (en) * | 2017-10-17 | 2019-04-23 | 中兴通讯股份有限公司 | A kind of terminal MIMO antenna device and realize antenna signal transmission method |
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| US20110175782A1 (en) * | 2008-09-22 | 2011-07-21 | Kmw Inc. | Dual-band dual-polarized antenna of base station for mobile communication |
| CN102714352A (en) * | 2009-09-01 | 2012-10-03 | 斯凯克罗斯公司 | High isolation antenna system |
| CN103427149A (en) * | 2012-05-25 | 2013-12-04 | 启碁科技股份有限公司 | Antenna and electronic device |
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| US20110175782A1 (en) * | 2008-09-22 | 2011-07-21 | Kmw Inc. | Dual-band dual-polarized antenna of base station for mobile communication |
| CN102714352A (en) * | 2009-09-01 | 2012-10-03 | 斯凯克罗斯公司 | High isolation antenna system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105375108A (en) * | 2015-11-30 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal with MIMO (Multiple-Input Multiple-Output) antenna |
| CN107039757A (en) * | 2015-12-30 | 2017-08-11 | 三星电机株式会社 | Antenna spacing is from improvedd antenna communication device |
| CN109672019A (en) * | 2017-10-17 | 2019-04-23 | 中兴通讯股份有限公司 | A kind of terminal MIMO antenna device and realize antenna signal transmission method |
| CN108965523A (en) * | 2018-07-10 | 2018-12-07 | Oppo广东移动通信有限公司 | Electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN104753554B (en) | 2017-08-15 |
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