CN109473754A - A kind of discrete circuitry RF switch, aerial network and antenna for base station - Google Patents
A kind of discrete circuitry RF switch, aerial network and antenna for base station Download PDFInfo
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- CN109473754A CN109473754A CN201811632232.3A CN201811632232A CN109473754A CN 109473754 A CN109473754 A CN 109473754A CN 201811632232 A CN201811632232 A CN 201811632232A CN 109473754 A CN109473754 A CN 109473754A
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- 238000010295 mobile communication Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of discrete circuitry RF switch, aerial network and antenna for base station, discrete circuitry RF switch includes: first switch and second switch, and the first switch connects first group of network, and the second switch connects second group of network；One end of first impedance transformation line, the first impedance transformation line connects the first switch；One end of second impedance transformation line, the second impedance transformation line connects the second switch；Power splitter, an output port of the power splitter connect the other end of the first impedance transformation line, and the another output mouth of the power splitter connects the other end of the second impedance transformation line.The present invention may exist two kinds or more of networks in a kind of antenna, and then realize multiple functions, reaches actual demand, cuts operating costs.
Description
Technical field
The present invention relates to mobile communication antenna technical fields, more particularly to a kind of discrete circuitry RF switch, antenna
Network and antenna for base station.
Background technique
Antenna is the throat thoroughfare of wireless communication system, there is very important status in entire wireless communication system,
But with the development of communication technology with the replacement of communication system, antenna for base station is also towards wideband, multifrequency, dual polarization, small-sized
The all directions development such as change, low cost, hiddenization and intelligence.
If oscillator is the body of antenna, then network is exactly the soul of antenna, in the design of antenna for base station, network
Design is most important a part in Antenna Design, and the superiority and inferiority of network directly determines the superiority and inferiority of antenna performance.In today's society,
Wireless communication technique rapid development, the antenna for base station as wireless telecommunication system front end are also faced with huge challenge, market
It is required that the structure of antenna is more and more simpler, function becomes increasingly complex, and a preferably surface antenna may be implemented multiple functions, however this
It is the theory runed counter to, is actually often, the structure of antenna is simpler, and the function of realization is more single, basic original among these
Because being the unification of aerial network.Antenna currently on the market is often a surface antenna, and a set of network realizes a kind of function,
For this antenna under more scenes, high complex environment, the function of realization is not able to satisfy actual demand, but increases different function
Antenna will necessarily just increase operation cost, cause the waste of resource.
In response to this, the present invention proposes a kind of new design concept, so that may exist two kinds in a kind of antenna
Or multiple network, and then realize multiple functions, reach actual demand, cuts operating costs.
Summary of the invention
Based on this, it is necessary to provide a kind of discrete circuitry RF switch, aerial network and antenna for base station, make a kind of antenna
There may be two kinds or more of networks, reduce cost.
A kind of discrete circuitry RF switch, comprising:
First switch and second switch, the first switch connect first group of network, and the second switch connects second group
Network；
One end of first impedance transformation line, the first impedance transformation line connects the first switch；
One end of second impedance transformation line, the second impedance transformation line connects the second switch；
Power splitter, an output port of the power splitter connect the other end of the first impedance transformation line, the function
The other end for dividing the another output mouth of device to connect the second impedance transformation line.
Preferably, further includes:
Transmission switch, is set between the first switch and second switch, for opening in the first switch with second
It is slided between pass, connects the first switch or second switch.
Preferably, the power splitter is one-to-two power splitter.
Preferably, the first impedance transformation line and the second impedance transformation line are the impedance transformation line of λ/2.
Preferably, the transmission switch is that machine driving switchs.
A kind of aerial network, comprising:
The N group network being arranged successively；
N-1 discrete circuitry RF switches as described in any one in claim 1-5, and each described distribution
The two group network connections adjacent with the N group network respectively of first switch in circuit RF switch and second switch.
A kind of antenna for base station, including antenna website as claimed in claim 6.
In the present invention, discrete circuitry RF switch includes first switch and second switch, the first switch connection the
One group of network, the second switch connect second group of network；One end of first impedance transformation line, the first impedance transformation line connects
Connect the first switch；One end of second impedance transformation line, the second impedance transformation line connects the second switch；Function point
Device, an output port of the power splitter connect the other end of the first impedance transformation line, the power splitter another
Output port connects the other end of the second impedance transformation line；It, can be with as a result, by switching first switch or second switch
First group of network or second group of network work are controlled, so that may exist two kinds or more of networks in a kind of antenna, into
And realize multiple functions, reach actual demand, cuts operating costs.
Detailed description of the invention
Fig. 1 is the structure chart of the discrete circuitry RF switch of an embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structure chart of the discrete circuitry RF switch of an embodiment.As shown in Figure 1, the present embodiment provides
A kind of discrete circuitry RF switch, comprising:
First switch and second switch, first switch connect first group of network, and second switch connects second group of network；
One end of first impedance transformation line, the first impedance transformation line connects first switch；
One end of second impedance transformation line, the second impedance transformation line connects second switch；
Power splitter, an output port of power splitter connect the other end of the first impedance transformation line, power splitter another
Output port connects the other end of the second impedance transformation line.
In the present invention, discrete circuitry RF switch includes first switch and second switch, the first switch connection the
One group of network, the second switch connect second group of network；One end of first impedance transformation line, the first impedance transformation line connects
Connect the first switch；One end of second impedance transformation line, the second impedance transformation line connects the second switch；Function point
Device, an output port of the power splitter connect the other end of the first impedance transformation line, the power splitter another
Output port connects the other end of the second impedance transformation line；It, can be with as a result, by switching first switch or second switch
First group of network or second group of network work are controlled, so that may exist two kinds or more of networks in a kind of antenna, into
And realize multiple functions, reach actual demand, cuts operating costs.
As shown in Figure 1, K1 indicates first switch, K2 indicates second switch.A1 indicates the first impedance transformation line, and A2 indicates the
Two impedance transformation lines.P1, P2, P3 indicate one-to-two power splitter,
Power splitter full name power divider (Power divider) is a kind of will to be divided into two-way by input signal energy all the way
Or the device of the equal or unequal energy of multiple-channel output, the synthesis of multiple signals energy can also be exported in turn all the way, at this time may be used
Also referred to as combiner.It should ensure that certain isolation between the output port of one power splitter.Power splitter is generally divided by output
One-to-two (two outputs of an input), one point three (three outputs of an input) etc..The important technological parameters of power splitter are active
Rate loss (including insertion loss, distribution loss and reflection loss), the voltage standing wave ratio of each port, between power distribution port every
From degree, amplitude balance, phase balance, power capacity and frequency bandwidth etc..
In the present embodiment, power splitter is one-to-two power splitter.Wherein, P1 indicates that input port, P2 and P3 indicate output end
Mouthful.
The port P2 connects the first impedance transformation line, and the port P3 connects the second impedance transformation line.
As shown in Figure 1, in the present embodiment, discrete circuitry RF switch further include:
Transmission switch, is set between first switch and second switch, for sliding between first switch and second switch
It is dynamic, connect first switch or second switch.
Wherein, k3 indicates transmission switch, and switchs for machine driving.
In the present embodiment, the first impedance transformation line and the second impedance transformation line are the impedance transformation line of λ/2.
In the present embodiment, first group of network and second group of network function that be realization different.
The present embodiment illustrates the realization principle of the present embodiment further combined with Fig. 1.As shown in Figure 1, the distribution of the present embodiment
In formula circuit RF switch, for first group of network Z1 and second group of network Z2 placed side by side, wherein Z1 and first switch K1
It is connected, Z2 is connected with second switch K2, is connected respectively with two groups of the impedance transformation lines of λ/2 A1 and A2 between K1 and K2, passes
Dynamic switch k3 can be slided between K1 and K2, for being respectively turned on K1 and K2, two groups of the impedance transformation lines of λ/2 A1 and A2 respectively with
The P2 mouth of one-to-two power splitter is connected with P3 mouthfuls.When using Z1, slide plate K3 is slided on K1, Z1 work, meanwhile, A2 is at this time
It is the open-circuit line of λ/2, does not influence impedance matching；Similarly, when using Z2, slide plate K3 is slided on K2, Z2 work, A1 be at this time λ/
2 open-circuit lines.
The present embodiment can increase the practicability and functionality of antenna as a result, and a antenna may be implemented and possess a variety of function
The purpose of energy, solves under complex environment, multi-panel antenna is needed to undertake the problem of different function, utilize the technology, Neng Gouji
Big reduces operation cost, realizes the rationalization utilization of antenna.
Distributed parameters circuit RF switch provided in this embodiment, the switching of this switch is Purely mechanical, traditional
Antenna transmission structure can be achieved with, and meet AISG consensus standard.User does not need to increase additional corollary equipment.
The present embodiment additionally provides a kind of aerial network, comprising:
The N group network being arranged successively；
The discrete circuitry RF switch of N-1 any one of such as claim 1-5, and each discrete circuitry radio frequency
The two group network connections adjacent with N group network respectively of first switch in switch and second switch.
Wherein, the function of N group network can be all different.Need to carry out the switching of network in the present embodiment as a result, it can be with
It realizes different antenna functions, and then realizes multiple functions, reach actual demand, cut operating costs.
The present embodiment additionally provides a kind of antenna for base station, including above-described antenna website.The aerial network can be real
Existing different function, is specifically referred to the above content, the present embodiment is no longer described in detail.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of discrete circuitry RF switch characterized by comprising
First switch and second switch, the first switch connect first group of network, and the second switch connects second group of network；
One end of first impedance transformation line, the first impedance transformation line connects the first switch；
One end of second impedance transformation line, the second impedance transformation line connects the second switch；
Power splitter, an output port of the power splitter connect the other end of the first impedance transformation line, the power splitter
Another output mouth connect the other end of the second impedance transformation line.
2. discrete circuitry RF switch according to claim 1, which is characterized in that further include:
Transmission switch, is set between the first switch and second switch, for the first switch and second switch it
Between slide, connect the first switch or second switch.
3. discrete circuitry RF switch according to claim 1, which is characterized in that the power splitter is one-to-two function point
Device.
4. discrete circuitry RF switch according to claim 1, which is characterized in that the first impedance transformation line and institute
Stating the second impedance transformation line is the impedance transformation line of λ/2.
5. discrete circuitry RF switch according to claim 2, which is characterized in that the transmission switch is machine driving
Switch.
6. a kind of aerial network characterized by comprising
The N group network being arranged successively；
N-1 discrete circuitry RF switches as described in any one in claim 1-5, and each described discrete circuitry
The two group network connections adjacent with the N group network respectively of first switch in RF switch and second switch.
7. a kind of antenna for base station, which is characterized in that including antenna website as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632232.3A CN109473754A (en) | 2018-12-29 | 2018-12-29 | A kind of discrete circuitry RF switch, aerial network and antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632232.3A CN109473754A (en) | 2018-12-29 | 2018-12-29 | A kind of discrete circuitry RF switch, aerial network and antenna for base station |
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| CN109473754A true CN109473754A (en) | 2019-03-15 |
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| CN201811632232.3A Pending CN109473754A (en) | 2018-12-29 | 2018-12-29 | A kind of discrete circuitry RF switch, aerial network and antenna for base station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020163478A1 (en) * | 2000-08-16 | 2002-11-07 | Pleva Joseph S. | Switched beam antenna architecture |
| US7508343B1 (en) * | 2006-09-26 | 2009-03-24 | Rockwell Collins, Inc. | Switched beam forming network for an amplitude monopulse directional and omnidirectional antenna |
| US20110273355A1 (en) * | 2010-05-04 | 2011-11-10 | Samsung Electro-Mechanics Company | Systems and methods for complementary metal-oxide-semiconductor (cmos) differential antenna switches using multi-section impedance transformations |
| WO2014052413A1 (en) * | 2012-09-25 | 2014-04-03 | Dsp Group Inc. | Cmos based rf antenna switch |
| US20160226481A1 (en) * | 2015-01-30 | 2016-08-04 | Peregrine Semiconductor Corporation | Radio Frequency Switching Circuit with Distributed Switches |
-
2018
- 2018-12-29 CN CN201811632232.3A patent/CN109473754A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020163478A1 (en) * | 2000-08-16 | 2002-11-07 | Pleva Joseph S. | Switched beam antenna architecture |
| US7508343B1 (en) * | 2006-09-26 | 2009-03-24 | Rockwell Collins, Inc. | Switched beam forming network for an amplitude monopulse directional and omnidirectional antenna |
| US20110273355A1 (en) * | 2010-05-04 | 2011-11-10 | Samsung Electro-Mechanics Company | Systems and methods for complementary metal-oxide-semiconductor (cmos) differential antenna switches using multi-section impedance transformations |
| WO2014052413A1 (en) * | 2012-09-25 | 2014-04-03 | Dsp Group Inc. | Cmos based rf antenna switch |
| US20160226481A1 (en) * | 2015-01-30 | 2016-08-04 | Peregrine Semiconductor Corporation | Radio Frequency Switching Circuit with Distributed Switches |
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