CN107749774A - A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication - Google Patents
A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication Download PDFInfo
- Publication number
- CN107749774A CN107749774A CN201711028940.1A CN201711028940A CN107749774A CN 107749774 A CN107749774 A CN 107749774A CN 201711028940 A CN201711028940 A CN 201711028940A CN 107749774 A CN107749774 A CN 107749774A
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- China
- Prior art keywords
- signal
- amplifying circuit
- mobile communication
- amplifier
- control chip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15564—Relay station antennae loop interference reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication, it is related to signal amplifier technical field；The inside of housing is provided with control chip, the power end of control chip is connected with power module, the input of control chip is connected with network connector, the output end of control chip respectively with descending amplifying circuit, up amplifying circuit, descending amplifying circuit, up amplifying circuit respectively with downstream signal reception processor, upward signal reception processing device connects, downstream signal reception processor, upward signal reception processing device is connected with signal mixer, the output end of signal mixer is connected with signal output amplifying circuit, the output end of signal output amplifying circuit is connected with antenna；The present invention can realize transmitted in both directions and the amplification of signal, and can realize the mixing and output of signal, easy to use, easy to operate, efficiency high.
Description
Technical field
The present invention relates to a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication, belong to signal amplifier
Technical field.
Background technology
In Modern Mobile Communications Systems, highest level signal covering is more using construction microcellulor or macrocellular, and build indoors
There is the mode of indoor distributed system to realize.Which divides public domain signal covering ratio to solving bottom and interior of building
It is more satisfactory.But often inadequate for solving high-rise window side interference, high level interference causes building highest level signal mixed and disorderly, particularly in window
Border area domain, the signal of multiple base stations around can be received, and the signal of outdoor base station is all stronger, typically -55dBm~
- 65dBm or so.
Existing high-rise coverage mode is the indoor distributed system based on repeater, that is, is building indoor covering system
Building in, the information source of direct-coupling indoor cell, skyscraper window border area domain is covered after being amplified by active equipment.
And existing active equipment is to the transparent amplification of base station signal full bandwidth, i.e., the indoor signal after active equipment amplifies reaches window
During side and other outdoor base station signal levels are on the same order of magnitude, cause frequency reuse distance to shorten, cause high-rise frequency to be done
Disturb, mobile phone can not proper communication or signal of communication it is poor, it is therefore desirable to it is a kind of to be used for solving the wireless of the high-rise interference of mobile communication
Signal amplifier solves this problem.
The content of the invention
In view of the above-mentioned problems, it is used for solving the high-rise interference of mobile communication the technical problem to be solved in the present invention is to provide one kind
Wireless signal amplifier.
A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication of the present invention, it includes housing, control
Chip, network connector, power module, descending amplifying circuit, up amplifying circuit, downstream signal reception processor, up letter
Number reception processing device, signal mixer, signal output amplifying circuit, antenna；The inside of housing is provided with control chip, controls core
The power end of piece is connected with power module, and the input of control chip is connected with network connector, the output end point of control chip
Do not handled respectively with downstream signal reception with descending amplifying circuit, up amplifying circuit, descending amplifying circuit, up amplifying circuit
Device, the connection of upward signal reception processing device, downstream signal reception processor, upward signal reception processing device are and signal mixer
Connection, the output end of signal mixer are connected with signal output amplifying circuit, and the output end of signal output amplifying circuit is connected with
Antenna.
Preferably, the descending amplifying circuit includes descending amplification path and BCCH frequency-selectings amplification path, the BCCH
Frequency-selecting amplification path is the BCCH channel informations provided by MODEM by the BCCH Channel assignments locally used and carries out independence
Amplification.
Preferably, the up amplifying circuit includes amplifier, broadband filter, duplexer, amplifier is filtered with broadband
Ripple device is connected, and broadband filter is connected with duplexer, and the GSM upward signals of reception export after the amplification of up amplifying circuit.
Preferably, the network connector is wired or wireless type connector.
Preferably, the frequency mixer includes baseband signal processing unit, radiofrequency signal processing unit, single mixing list
Member, baseband signal processing unit is receiving or produce baseband signal；Radiofrequency signal processing unit is handling or export radio frequency
Signal；Single mixing unit couples the baseband signal processing unit and the radiofrequency signal processing unit, and according to control signal
Selection operation is in raising frequency pattern or frequency redution mode.
Beneficial effects of the present invention are：Transmitted in both directions and the amplification of signal can be realized, and can realize the mixing of signal with it is defeated
Go out, easy to use, easy to operate, efficiency high.
Brief description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is the structural representation of the present invention.
In figure：1- housings；2- control chips；3- network connectors；4- power modules；The descending amplifying circuits of 5-；6- is up
Amplifying circuit；7- downstream signal reception processors；8- upward signal reception processing devices；9- signal mixers；10- signal outputs are put
Big circuit；11- antennas.
Embodiment：
To make the object, technical solutions and advantages of the present invention of greater clarity, below by the specific implementation shown in accompanying drawing
Example describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.This
Outside, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
As shown in figure 1, present embodiment uses following technical scheme：It includes housing 1, control chip 2, network and connected
Device 3, power module 4, descending amplifying circuit 5, up amplifying circuit 6, downstream signal reception processor 7, upward signal is connect to receive
Processor 8, signal mixer 9, signal output amplifying circuit 10, antenna 11；The inside of housing 1 is provided with control chip 2, control
The power end of chip 2 is connected with power module 4, and the input of control chip 2 is connected with network connector 3, control chip 2 it is defeated
Go out end respectively with descending amplifying circuit 5, up amplifying circuit 6, descending amplifying circuit 5, up amplifying circuit 6 respectively with descending letter
Number reception processing device 7, upward signal reception processing device 8 connect, downstream signal reception processor 7, upward signal reception processing device 8
It is connected with signal mixer 9, the output end of signal mixer 9 is connected with signal output amplifying circuit 10, signal output amplification
The output end of circuit 10 is connected with antenna 11.
Further, the descending amplifying circuit 5 includes descending amplification path and BCCH frequency-selectings amplification path, the BCCH
Frequency-selecting amplification path is the BCCH channel informations provided by MODEM by the BCCH Channel assignments locally used and carries out independence
Amplification.
Further, the up amplifying circuit 6 includes amplifier, broadband filter, duplexer, and amplifier is filtered with broadband
Ripple device is connected, and broadband filter is connected with duplexer, and the GSM upward signals of reception export after the amplification of up amplifying circuit.
Further, the network connector 3 is wired or wireless type connector.
Further, the frequency mixer includes baseband signal processing unit, radiofrequency signal processing unit, single mixing list
Member, baseband signal processing unit is receiving or produce baseband signal；Radiofrequency signal processing unit is handling or export radio frequency
Signal；Single mixing unit couples the baseband signal processing unit and the radiofrequency signal processing unit, and according to control signal
Selection operation is in raising frequency pattern or frequency redution mode.
The operation principle of present embodiment is：Power supply is provided by power module 4, signal is realized by control chip 2
Reception and main process task, transmission, while descending amplifying circuit 5, up amplifying circuit 6 realize the transmission and amplification of signal, and again
Secondary downstream signal reception processor 7, upward signal reception processing device 8 realize the processing and amplification of signal, ensure the stabilization of signal
Property, two-way is mixed finally by signal mixer 9, then realizes amplification output by signal output amplifying circuit 10.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
- A kind of 1. wireless signal amplifier for being used to solve the high-rise interference of mobile communication, it is characterised in that：It includes housing, control Chip, network connector, power module, descending amplifying circuit, up amplifying circuit, downstream signal reception processor, up letter Number reception processing device, signal mixer, signal output amplifying circuit, antenna；The inside of housing is provided with control chip, controls core The power end of piece is connected with power module, and the input of control chip is connected with network connector, the output end point of control chip Do not handled respectively with downstream signal reception with descending amplifying circuit, up amplifying circuit, descending amplifying circuit, up amplifying circuit Device, the connection of upward signal reception processing device, downstream signal reception processor, upward signal reception processing device are and signal mixer Connection, the output end of signal mixer are connected with signal output amplifying circuit, and the output end of signal output amplifying circuit is connected with Antenna.
- 2. a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication according to claim 1, its feature It is：The descending amplifying circuit includes descending amplification path and BCCH frequency-selectings amplification path, and path is amplified in the BCCH frequency-selectings It is the BCCH channel informations provided by MODEM by the BCCH Channel assignments locally used and carries out independent amplification.
- 3. a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication according to claim 1, its feature It is：The up amplifying circuit includes amplifier, broadband filter, duplexer, and amplifier is connected with broadband filter, broadband Wave filter is connected with duplexer, and the GSM upward signals of reception export after the amplification of up amplifying circuit.
- 4. a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication according to claim 1, its feature It is：The network connector is wired or wireless type connector.
- 5. a kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication according to claim 1, its feature It is：The frequency mixer includes baseband signal processing unit, radiofrequency signal processing unit, single mixing unit, at baseband signal Unit is managed to receive or produce baseband signal；Radiofrequency signal processing unit is handling or export radiofrequency signal；Single mixing Unit couples the baseband signal processing unit and the radiofrequency signal processing unit, and according to control signal selection operation in raising frequency Pattern or frequency redution mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028940.1A CN107749774A (en) | 2017-10-29 | 2017-10-29 | A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028940.1A CN107749774A (en) | 2017-10-29 | 2017-10-29 | A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107749774A true CN107749774A (en) | 2018-03-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711028940.1A Pending CN107749774A (en) | 2017-10-29 | 2017-10-29 | A kind of wireless signal amplifier for being used to solve the high-rise interference of mobile communication |
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| CN (1) | CN107749774A (en) |
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| CN101277480A (en) * | 2007-03-29 | 2008-10-01 | 京信通信系统（中国）有限公司 | Direct amplifier station eliminating self-excitation interference |
| CN101286761A (en) * | 2007-04-11 | 2008-10-15 | 中兴通讯股份有限公司 | Implementing method for frequency-hopping, device and transceiver thereof |
| CN201282454Y (en) * | 2008-09-23 | 2009-07-29 | 林志华 | Aeronautical communication companding system |
| US20100091688A1 (en) * | 2008-10-14 | 2010-04-15 | Texas Instruments Incorporated | Simultaneous multiple signal reception and transmission using frequency multiplexing and shared processing |
| CN201374702Y (en) * | 2009-03-31 | 2009-12-30 | 奥维通信股份有限公司 | GSM (global system for mobile communications) digital multichannel frequency-selection repeater station |
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| CN105763220A (en) * | 2011-06-01 | 2016-07-13 | 康普技术有限责任公司 | Broadband Distributed Antenna System With Non-duplexer Isolator Sub-system |
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