CN206099977U - Full frequency channel repeater - Google Patents
Full frequency channel repeater Download PDFInfo
- Publication number
- CN206099977U CN206099977U CN201621141416.6U CN201621141416U CN206099977U CN 206099977 U CN206099977 U CN 206099977U CN 201621141416 U CN201621141416 U CN 201621141416U CN 206099977 U CN206099977 U CN 206099977U
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- duplexer
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Abstract
The utility model relates to a full frequency channel repeater, including forward facing antenna, rearward -facing antenna, up link, down link and two digital duplexers, two digital duplexers are first digital duplexer and second numeral duplexer respectively, up link goes upward AD conversion module, signal processing system, goes upward DA conversion module, goes upward the broadband power amplifier module including what signal communication in proper order connected, down link is including the down AD conversion module, signal processing system, down DA conversion module, the down broadband power amplifier module that connect gradually, signal processing system of up link and down link sharing, through the built -up connection of each part of the aforesaid, the utility model discloses a current repeater has been solved to the repeater can not realize simultaneously that full frequency channel signal covers, can only carry out the problem that the signal covered to a certain communication signal frequency channel alone.
Description
Technical field
This utility model is related to Wireless Telecom Equipment, more particularly to a kind of full frequency band repeater.
Background technology
Repeater is a kind of extremely effective equipment for making up covering deficiency in base station in communication network, and it functions as one
Plant radio transmitting transferring equipment.There are various signal of communication standards, such as GSM standards, CDMA standards, WCDMA systems in the communications field
Formula, FDD-LTE standards etc.；Every kind of signal of communication standard may include multiple communication signal frequency bands, and such as GSM standards are included
Two kinds of frequency ranges of GSM900MHZ and GSM1800MHZ.At present common carrier typically realizes that signal is covered using traditional repeater, passes
System repeater can only realize that single frequency band communication signal is covered, and this results in common carrier needs pin when traditional repeater is installed
Realize that signal is covered to each signal of communication standard or the separately installed repeater of communication signal frequency band, directly increase communication operation
The installation difficulty and equipment cost of business.Also a kind of situation is to adopt multiband straight amplification station, in 29, bulletins of such as 2007 on Augusts
State's patent CN200941614Y discloses a kind of multiband straight amplification station, and the repeater includes：Signal isolation module, under at least two
Line link module, at least two uplink modules；Signal isolation module is used to receive the multiple-frequency signal of multiband aerial transmission,
By multi-band signal isolation filter into single signal, each independent signal is sent to into corresponding downlink module or up
Link module；Each independent signal that downlink module, uplink modules were processed is synthesized into a multiple-frequency signal transmission
To radio frequency transmitting terminal；Downlink module and uplink modules are used for into independent filtering, power amplification process to signal.It is logical
Crossing the patented technology means can realize simultaneously covering multiple communication signal frequency band signals.
But in the market without a kind of suitable for realizing the repeater that full frequency band signal of communication is covered simultaneously.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes a kind of full frequency band repeater, solves existing tradition straight
Put station and multiband straight amplification station can not be while realize the problem that full range segment signal is covered.
For achieving the above object, this utility model employs technical scheme below：Including forward facing antenna, rearward-facing antenna, on
The digital duplexer of line link, downlink and two, the up-link includes that the up A/D of signal communication connection successively turns
Mold changing block, signal processing system, up D/A modular converters, upstream broadband power amplifier module, the downlink is included successively
Descending A/D modular converters, signal processing system, descending D/A modular converters, the downstream broadband power amplifier module of connection, it is described
Up-link and a downlink shared signal processing system, described two digital duplexers are respectively the first digital duplexer
With the second digital duplexer；
Each digital duplexer includes the first broadband filter, the second broadband filter, broadband amplifier, low noise
Amplifier, broadband signal input, broadband signal outfan, Interference Cancellation unit and phase inverter, first broadband filter
An antenna connection terminal is connected with, the broadband signal input is believed respectively with inverter input and broadband amplifier input
Number communication connection, the broadband amplifier outfan and the first broadband filter input end signal are communicated and are connected, and described first is wide
The communication of band filter outfan and the second broadband filter input end signal be connected, the outfan of second broadband filter and
Low-noise amplifier input end signal communication connection, the low-noise amplifier outfan is communicated with broadband signal output end signal
Connection, the inverter output is connected with the communication of Interference Cancellation unit input end signal, the Interference Cancellation unit outfan
It is connected with the input end signal communication of the second broadband filter；
The broadband signal input of the described first digital duplexer and the output end signal of upstream broadband power amplifier module
Communication connection, broadband signal outfan and the input end signal of descending A/D modular converters of the described first digital duplexer are communicated
Connection, the broadband signal input of the described second digital duplexer is connected with downstream broadband power amplifier module signal communication, institute
State the broadband signal outfan of the second digital duplexer to be connected with the input end signal communication of up A/D modular converters, described the
The Interference Cancellation unit of one digital duplexer is connected with signal processing system signal communication, the interference of the described second digital duplexer
Offset unit is connected with signal processing system signal communication；The antenna connection terminal of the described first digital duplexer is believed with forward facing antenna
Number communication connection, the antenna connection terminal of the second digital duplexer is connected with rearward-facing antenna signal communication.
Further, the up A/D modular converters include the first up A/D converter and the second up A/D converter,
The input of the first up A/D converter and the second up A/D converter input respectively with the broadband of the second duplexer
The connection of signal output part signal communication, the outfan of the first up A/D converter and the second up A/D converter outfan
It is connected with signal processing system signal communication respectively；The descending A/D modular converters include the first descending A/D converter and second
Descending A/D converter, the first descending A/D converter input and the second descending A/D converter input are respectively with first
The broadband signal output end signal communication connection of duplexer, the first descending A/D converter outfan and the second descending A/D turn
Parallel operation outfan is connected respectively with signal processing system signal communication.
By adopting preceding solution, the beneficial effects of the utility model to be：This utility model is double by the first numeral
Work device and the second digital duplexer eliminate the self-excitation interference signal of repeater, and the radiofrequency signal for launching repeater is very pure；
And repeater of the present utility model can be realized covering full frequency band signal of communication simultaneously.
Description of the drawings
Fig. 1 is electrical connection block diagram of the present utility model；
Fig. 2 is the electrical schematic diagram of digital duplexer of the present utility model.
Specific embodiment
This utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, Fig. 2, the present embodiment provides a kind of full frequency band repeater, including forward facing antenna, rearward-facing antenna, two numbers
Word duplexer, the first up A/D converter, the second up A/D converter, signal processing system, up D/A modular converters, on
Line width band power amplifier module, the first descending A/D converter, the second descending A/D converter, descending D/A modular converters, descending D/
A modular converters and downstream broadband power amplifier module；The first up A/D converter and the second up A/D converter composition
Up A/D modular converters, the first descending A/D converter and the second descending A/D converter constitute descending A/D modular converters.
Described two digital duplexers are respectively the first digital duplexer and the second digital duplexer.
Each digital duplexer includes the first broadband filter, the second broadband filter, broadband amplifier, low noise
Amplifier, broadband signal input, broadband signal outfan, Interference Cancellation unit and phase inverter, first broadband filter
An antenna connection terminal is connected with, the broadband signal input is believed respectively with inverter input and broadband amplifier input
Number communication connection, the broadband amplifier outfan and the first broadband filter input end signal are communicated and are connected, and described first is wide
The communication of band filter outfan and the second broadband filter input end signal be connected, the outfan of second broadband filter and
Low-noise amplifier input end signal communication connection, the low-noise amplifier outfan is communicated with broadband signal output end signal
Connection, the inverter output is connected with the communication of Interference Cancellation unit input end signal, the Interference Cancellation unit outfan
It is connected with the input end signal communication of the second broadband filter.The antenna connection terminal of the first digital duplexer be connected with before to
Antenna, the antenna connection terminal of the described second digital duplexer is connected with rearward-facing antenna.
The first up A/D converter, the second up A/D converter, signal processing system, up D/A modular converters
Up-link is constituted with upstream broadband power amplifier module；The first descending A/D converter, the second descending A/D converter, under
Row D/A modular converters, signal processing system, descending D/A modular converters and downstream broadband power amplifier module composition downlink,
The up-link and a downlink shared signal processing system.The signal processing system adopts China Patent No. CN
201282457Y discloses the digital signal processing module in a kind of digital frequency-shift repeater, and its effect is to up-link and descending
The digital signal of link is processed.
The first up A/D converter input and the second up A/D converter input are double with the second numeral respectively
The broadband signal output end signal communication connection of work device, the first up A/D converter outfan and the second up A/D conversions
Device outfan is connected respectively with the ULRFin end signals communication of digital signal processing module, the digital signal processing module
The input end signal communication of ULRFout ends and up D/A modular converters be connected, the outfan of the up D/A modular converters and
The input end signal communication connection of upstream broadband power amplifier, the outfan of the upstream broadband power amplifier and the first number
The broadband signal input end signal communication connection of word duplexer；The first descending A/D converter input and the second descending A/D
Switch input is connected respectively with the broadband signal output end signal communication of the first digital duplexer, the first descending A/D
Converter output end and the second descending A/D converter outfan are communicated respectively with the DLRFin end signals of digital signal processing module
Connection, the DLRFout ends of the digital signal processing module are connected with the input end signal communication of descending D/A modular converters, institute
State the outfan of descending D/A modular converters to be connected with the input end signal communication of downstream broadband power amplifier, the lower line width
Outfan with power amplifier is connected with the broadband signal input end signal communication of the second digital duplexer.
Working method of the present utility model is：Forward facing antenna receives the downstream signal of base station, the digital duplexer of Jing first and
Descending A/D conversion modules receive digital signal processing module, and the descending D/A of Jing convert mould Jing after digital signal processing module process
After the digital duplexer of block, downstream broadband power amplifier module and second, terminal unit is transmitted into by rearward-facing antenna；Utilize simultaneously after
To antenna receiving terminal apparatus upward signal, receive at digital signal along the second digital duplexer and up A/D conversion modules
Reason module, the up D/A conversion modules of Jing, upstream broadband power amplifier module and the first number Jing after digital signal processing module process
After word duplexer, base station is transmitted into by forward facing antenna.Reach base station and terminal unit full frequency band two-way communication.
Repeater can produce self-excitation interference, the such as signal after digital signal processing module process during work
When being launched by the second digital duplexer, portion radio frequency signal is received and along downlink again by the first digital duplexer
Receive to form noise, now digital signal processing module is transferred to after the noise that the first digital duplexer is received is obtained
The Interference Cancellation unit of the second digital duplexer, and the noise is processed and amplified by the second digital duplexer inverter
Afterwards, output one is consistent with the radiofrequency signal that the second digital duplexer is launched but the antipodal radiofrequency signal of phase place is in second
The Interference Cancellation unit of digital duplexer is used for the noise that counteracting downstream link is received, and what the such second digital duplexer was launched penetrates
Frequency signal is just very pure.
In the same manner, when the signal after digital signal processing module process is launched by the first digital duplexer, portion
Point radiofrequency signal is received and is got off to be formed noise along extended receiver again by the second digital duplexer, now at digital signal
Reason module is transferred to the Interference Cancellation unit of the first digital duplexer after the noise that the second digital duplexer is received is obtained, and
After the noise is crossed the first digital duplexer inverter process and amplified, output one is launched with the first digital duplexer
Radiofrequency signal is consistent but the antipodal radiofrequency signal of phase place is used to offset in the Interference Cancellation unit of the first digital duplexer
The noise of extended receiver, the radiofrequency signal of the such first digital duplexer transmitting is just very pure.
Although specifically showing and describing this utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On this utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (2)
1. a kind of full frequency band repeater, it is characterised in that：Including forward facing antenna, rearward-facing antenna, up-link, downlink and
Two digital duplexers, the up-link includes up A/D modular converters, the signal processing system of signal communication connection successively
System, up D/A modular converters, upstream broadband power amplifier module, the downlink includes the descending A/D conversions being sequentially connected
Module, signal processing system, descending D/A modular converters, downstream broadband power amplifier module, the up-link and downlink
A signal processing system is shared, described two digital duplexers are respectively the first digital duplexer and the second digital duplexer；
Each digital duplexer includes the first broadband filter, the second broadband filter, broadband amplifier, low noise amplification
Device, broadband signal input, broadband signal outfan, Interference Cancellation unit and phase inverter, the first broadband filter connection
There is an antenna connection terminal, the broadband signal input is logical with inverter input and broadband amplifier input end signal respectively
News connection, the broadband amplifier outfan is connected with the communication of the first broadband filter input end signal, the first broadband filter
Ripple device outfan is connected with the communication of the second broadband filter input end signal, the outfan and low noise of second broadband filter
Acoustic amplifier input end signal communication connection, the low-noise amplifier outfan connects with the communication of broadband signal output end signal
Connect, the communication of the inverter output and Interference Cancellation unit input end signal be connected, the Interference Cancellation unit outfan and
The input end signal communication connection of the second broadband filter；
The broadband signal input of the described first digital duplexer is communicated with the output end signal of upstream broadband power amplifier module
Connection, the broadband signal outfan of the described first digital duplexer is connected with the input end signal communication of descending A/D modular converters,
The broadband signal input of the described second digital duplexer is connected with downstream broadband power amplifier module signal communication, and described second
The broadband signal outfan of digital duplexer is connected with the input end signal communication of up A/D modular converters, and described first is digital
The Interference Cancellation unit of duplexer is connected with signal processing system signal communication, the Interference Cancellation list of the described second digital duplexer
Unit is connected with signal processing system signal communication；The antenna connection terminal and forward facing antenna signal communication of the described first digital duplexer
Connection, the antenna connection terminal of the described second digital duplexer is connected with rearward-facing antenna signal communication.
2. a kind of full frequency band repeater according to claim 1, it is characterised in that：The up A/D modular converters include
First up A/D converter and the second up A/D converter, the input of the first up A/D converter and second up
A/D converter input is connected respectively with the broadband signal output end signal communication of the second duplexer, and the first up A/D turns
The outfan of parallel operation and the second up A/D converter outfan are connected respectively with signal processing system signal communication；It is described descending
A/D modular converters include the first descending A/D converter and the second descending A/D converter, the first descending A/D converter input
End and the second descending A/D converter input are connected respectively with the broadband signal output end signal communication of first duplexer, described
First descending A/D converter outfan and the second descending A/D converter outfan connect respectively with signal processing system signal communication
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141416.6U CN206099977U (en) | 2016-10-20 | 2016-10-20 | Full frequency channel repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141416.6U CN206099977U (en) | 2016-10-20 | 2016-10-20 | Full frequency channel repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099977U true CN206099977U (en) | 2017-04-12 |
Family
ID=59975934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621141416.6U Withdrawn - After Issue CN206099977U (en) | 2016-10-20 | 2016-10-20 | Full frequency channel repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411386A (en) * | 2016-10-20 | 2017-02-15 | 泉州泽仕通科技有限公司 | Full-band repeater |
-
2016
- 2016-10-20 CN CN201621141416.6U patent/CN206099977U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411386A (en) * | 2016-10-20 | 2017-02-15 | 泉州泽仕通科技有限公司 | Full-band repeater |
| CN106411386B (en) * | 2016-10-20 | 2023-04-14 | 泉州市凯润通信科技有限公司 | Full-band repeater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20230414 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20230414 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |