CN207968488U - Duplex forwarding movable signal device - Google Patents
Duplex forwarding movable signal device Download PDFInfo
- Publication number
- CN207968488U CN207968488U CN201820501175.4U CN201820501175U CN207968488U CN 207968488 U CN207968488 U CN 207968488U CN 201820501175 U CN201820501175 U CN 201820501175U CN 207968488 U CN207968488 U CN 207968488U
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- CN
- China
- Prior art keywords
- downlink
- uplink
- duplexer
- signal
- power amplifier
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Abstract
Duplex forwarding movable signal device, it is related to communication signal transmission technique field, and in particular to a kind of improvement of duplex forwarding movable signal device.Retransmitting antenna is connected with first duplexer, first duplexer is connected with uplink low noise amplifier, uplink low noise amplifier is connected with uplink frequency converter, uplink frequency converter is connected with upstream filter, upstream filter is connected with ascending power amplifier, uplink gain controller is connected with ascending power amplifier, uplink gain controller is connected with upstream filter, ascending power amplifier is connected with uplink self-excitation wave detector, uplink sends controller and is connected with uplink fault-signal transmitter, uplink fault-signal transmitter is connected with the second duplexer, second duplexer is connected with donor antenna；Duplex forwarding movable signal device reduces self-excitation probability, can detect self-excitation signal automatically, and blocking self-excitation signal transmits and fault message is passed to operator, and operator is facilitated to repair and debug in time.
Description
Technical field
The utility model is related to movable signal transmission technique fields, and in particular to a kind of duplex forwarding movable signal device
It improves.
Background technology
The transmission of movable signal is carried out with wireless transmission method by base station transceiver mobile phone signal.However, base station is covered
The edge of cover area easy tos produce the weak area of covering or blind area, is particularly in interior, since the barrier of building or wall is easy
Generation mobile phone signal is faint or does not have the case where signal.In order to improve network quality, present operator is generally micro- using installing
The method of type repeater carries out Network stretch covering.Miniature repeater refers to playing signal enhancing during wireless communication transmissions
A kind of radio emit relay device, including donor antenna, retransmitting antenna, upstream transmission line and downlink transfer circuit.Nothing
Line signal of communication downlink process is that the signal that base station is sent out is received by donor antenna, is put to signal by downlink transfer circuit
Greatly, filtering interference etc., covers original coverage hole by retransmitting antenna；Wireless communication signals uplink process is to retransmit day
Line receives mobile phone signal, carries out the processes such as signal amplification, filtering interference by upstream transmission line, is sent to by donor antenna
Base station.This Miniature repeater small volume structure is simple, production it is low with installation cost, but due to Miniature repeater isolation by
It is influenced to conditions such as position, landform, temperature, easy tos produce self-excitation, lead to Miniature repeater cisco unity malfunction, the interference of self-excitation
Signal, which passes to base station, can influence the work of base station, so as to cause the communication networking problems of large area.Therefore, it is badly in need of having a kind of energy
Enough automatic detection self-excitation signals, stop the transmission of self-excitation signal, and fault message is passed to the device of operator, in order to
Operator repairs in time.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of duplex forwarding movable signal is provided
Device, duplex forwarding movable signal device reduce self-excitation probability, can detect self-excitation signal automatically, and blocking self-excitation signal passes
It passs and fault message is passed into operator, operator is facilitated to repair and debug in time.
To achieve the above object, the utility model uses following technical scheme：It includes retransmitting antenna 1, first duplexer
2, uplink low noise amplifier 3, uplink frequency converter 4, upstream filter 5, uplink gain controller 6, ascending power amplifier 7,
Uplink self-excitation wave detector 8, uplink send controller 9, uplink fault-signal transmitter 10, the second duplexer 11, donor antenna 12,
Downlink low noise amplifier 13, downlink frequency converter 14, downstream filter 15, downlink gain controller 16, downlink power amplifier
17, downlink self-excitation wave detector 18, downlink send controller 19, downlink fault-signal transmitter 20；Retransmitting antenna 1 and the first duplex
Device 2 is connected, and first duplexer 2 is connected with uplink low noise amplifier 3, uplink low noise amplifier 3 and 4 phase of uplink frequency converter
Even, uplink frequency converter 4 is connected with upstream filter 5, and upstream filter 5 is connected with ascending power amplifier 7, uplink gain control
Device 6 is connected with ascending power amplifier 7, and uplink gain controller 6 is connected with upstream filter 5, ascending power amplifier 7 with it is upper
Row self-excitation wave detector 8 is connected, and uplink sends controller 9 and is connected with uplink fault-signal transmitter 10, the transmitting of uplink fault-signal
Device 10 is connected with the second duplexer 11, and the second duplexer 11 is connected with donor antenna 12；Second duplexer 11 and downlink low noise
Amplifier 13 is connected, and downlink low noise amplifier 13 is connected with downlink frequency converter 14, downlink frequency converter 14 and downstream filter 15
It is connected, downstream filter 15 is connected with downlink gain controller 16, downlink gain controller 16 and downlink power amplifier 17, under
Row gain controller 16 is connected with downstream filter 15, and downlink power amplifier 17 is connected with downlink self-excitation wave detector 18, downlink
Self-excitation wave detector 18 sends controller 19 with downlink and is connected, and sends controller 19 and is connected with downlink fault-signal transmitter 20, under
Row fault-signal transmitter 20 is connected with first duplexer 2.
The retransmitting antenna 1 is connect by the communications cable with first duplexer 2.
The donor antenna 12 is connect by the communications cable with the second duplexer 11.
The uplink gain controller 6 includes uplink D/A converter module 601, uplink signal processing chip 602, uplink increasing
The input terminal of beneficial sending module 603, uplink D/A converter module 601 is connected with upstream filter 5, uplink D/A converter module
601 output end is connected with uplink signal processing chip 602, and output end and the uplink gain of uplink signal processing chip 602 are sent out
Module 603 is sent to be connected, the output end of uplink gain sending module 603 is connected with ascending power amplifier 7.
The downlink gain controller 16 include downlink D/A converter module 1601, downlink signal processing chip 1602, under
The input terminal of row gain sending module 1603, downlink D/A converter module 1601 is connected with downstream filter 15, and downlink digital-to-analogue turns
The output end of mold changing block 1601 is connected with downlink signal processing chip 1602, and the output end of downlink signal processing chip 1602 is under
Row gain sending module 1603 is connected, and the output end of downlink gain sending module 1603 is connected with downlink power amplifier 17.
The operation principle of the utility model：When upstream data transmits, retransmitting antenna 1, which receives, passes to the after mobile phone signal
One duplexer 2, first duplexer 2 transmit a signal to uplink low noise amplifier 3 and carry out low noise processing, and uplink frequency converter 4 will
5 automatic fitration interference signal of upstream filter is transmitted to after signal frequency conversion, filtered signal passes to 6 He of uplink gain controller
Ascending power amplifier 7, uplink gain controller 6 carry out analysis to signal and adjust ascending power amplifier according to signal strength
7 enlargement ratio keeps the stabilization of signal strength, reduces self-excitation probability；Ascending power amplifier 7 passes to after amplifying signal
Uplink self-excitation wave detector 8 detects whether self-excitation, if detecting self-excitation, uplink sends controller 9 and blocks ascending power amplifier 7
Signal passes through, and controls uplink fault-signal transmitter 10 and send out fault-signal, if not detecting self-excitation, ascending power amplification
The signal of device 7 sends controller 9 by uplink, and passes to donor antenna 12 by the second duplexer 11, is finally sent to base
It stands.When downlink data transmits, donor antenna 12 passes to the second duplexer 11 after receiving base station signal, and the second duplexer 11 will
Signal transmission to downlink low noise amplifier 13 carries out low noise processing, and downlink frequency converter 14 will be transmitted to downstream filtering after signal frequency conversion
15 automatic fitration interference signal of device, filtered signal pass to downlink gain controller 16 and downlink power amplifier 17, under
Row gain controller 16 carries out analysis to signal and adjusts the enlargement ratio of downlink power amplifier 17, downlink according to signal strength
Power amplifier 17 passes to downlink self-excitation wave detector 18 and detects whether self-excitation after amplifying signal, if detecting self-excitation, downlink
Sending controller 19 blocks the signal of downlink power amplifier 17 to pass through, and controls downlink fault-signal transmitter 20 and send out failure
Signal, if not detecting self-excitation, the signal of downlink power amplifier 17 sends controller 19 by downlink, and passes through first pair
Work device 2 passes to retransmitting antenna 1, finally covers in the weak area of signal or blind area.
After adopting the above technical scheme, the utility model has the beneficial effect that：Duplex forwarding movable signal device reduces
Self-excitation probability can detect self-excitation signal automatically, and blocking self-excitation signal transmits and fault message is passed to operator, convenient
Operator repairs and debugs in time.
Description of the drawings
A brief introduction will be made to the drawings that need to be used in the embodiment or the description of the prior art, it should be apparent that, below
Attached drawing in description is only some embodiments of the utility model, for those of ordinary skill in the art, is not being paid
Under the premise of creative labor, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic block diagram of upstream data transfer device in the utility model；
Fig. 2 is the structural schematic block diagram of downlink data transfer device in the utility model；
Fig. 3 is the structural schematic block diagram of uplink gain controller 6 in the utility model；
Fig. 4 is the structural schematic block diagram of downlink gain controller 16 in the utility model.
Reference sign：Retransmitting antenna 1, first duplexer 2, uplink low noise amplifier 3, uplink frequency converter 4, uplink
Filter 5, uplink gain controller 6, uplink D/A converter module 601, uplink signal processing chip 602, uplink gain are sent
603 ascending power amplifier 7 of module, uplink self-excitation wave detector 8, uplink send controller 9, uplink fault-signal transmitter 10,
Second duplexer 11, donor antenna 12, downlink low noise amplifier 13, downlink frequency converter 14, downstream filter 15, downlink gain
Controller 16, downlink D/A converter module 1601, downlink signal processing chip 1602, downlink gain sending module 1603, downlink
Power amplifier 17, downlink self-excitation wave detector 18, downlink send controller 19, downlink fault-signal transmitter 20.
Specific implementation mode
Shown in Fig. 1-Fig. 4, present embodiment the technical solution adopted is that：It includes retransmitting antenna 1, first pair
Work device 2, uplink low noise amplifier 3, uplink frequency converter 4, upstream filter 5, uplink gain controller 6, ascending power amplification
Device 7, uplink self-excitation wave detector 8, uplink send controller 9, uplink fault-signal transmitter 10, the second duplexer 11, Shi Zhutian
Line 12, downlink low noise amplifier 13, downlink frequency converter 14, downstream filter 15, downlink gain controller 16, descending power are put
Big device 17, downlink self-excitation wave detector 18, downlink send controller 19, downlink fault-signal transmitter 20；Retransmitting antenna 1 and first
Duplexer 2 is connected, and first duplexer 2 is connected with uplink low noise amplifier 3, uplink low noise amplifier 3 and uplink frequency converter 4
It is connected, uplink frequency converter 4 is connected with upstream filter 5, and upstream filter 5 is connected with ascending power amplifier 7, uplink gain control
Device 6 processed is connected with ascending power amplifier 7, and uplink gain controller 6 is connected with upstream filter 5, ascending power amplifier 7 with
Uplink self-excitation wave detector 8 is connected, and uplink sends controller 9 and is connected with uplink fault-signal transmitter 10, uplink fault-signal hair
Emitter 10 is connected with the second duplexer 11, and the second duplexer 11 is connected with donor antenna 12；Second duplexer 11 and downlink low noise
Sound amplifier 13 is connected, and downlink low noise amplifier 13 is connected with downlink frequency converter 14, downlink frequency converter 14 and downstream filter
15 are connected, and downstream filter 15 is connected with downlink gain controller 16, downlink gain controller 16 and downlink power amplifier 17,
Downlink gain controller 16 is connected with downstream filter 15, and downlink power amplifier 17 is connected with downlink self-excitation wave detector 18, under
Row self-excitation wave detector 18 sends controller 19 with downlink and is connected, and sends controller 19 and is connected with downlink fault-signal transmitter 20,
Downlink fault-signal transmitter 20 is connected with first duplexer 2；The retransmitting antenna 1 passes through the communications cable and first duplexer 2
Connection；The donor antenna 12 is connect by the communications cable with the second duplexer 11；The uplink gain controller 6 includes uplink
D/A converter module 601, uplink signal processing chip 602, uplink gain sending module 603, uplink D/A converter module 601
Input terminal is connected with upstream filter 5, and the output end of uplink D/A converter module 601 is connected with uplink signal processing chip 602,
The output end of uplink signal processing chip 602 is connected with uplink gain sending module 603, uplink gain sending module 603 it is defeated
Outlet is connected with ascending power amplifier 7；The downlink gain controller 16 includes downlink D/A converter module 1601, downlink letter
Number processing chip 1602, downlink gain sending module 1603, the input terminal and downstream filter of downlink D/A converter module 1601
15 are connected, and the output end of downlink D/A converter module 1601 is connected with downlink signal processing chip 1602, and downlink signal handles core
The output end of piece 1602 is connected with downlink gain sending module 1603, output end and the downlink work(of downlink gain sending module 1603
Rate amplifier 17 is connected.When upstream data transmits, retransmitting antenna 1, which receives, passes to first duplexer 2 after mobile phone signal, and first
Duplexer 2 transmits a signal to uplink low noise amplifier 3 and carries out low noise processing, and uplink frequency converter 4 will be transmitted to after signal frequency conversion
5 automatic fitration interference signal of upstream filter, filtered signal pass to uplink gain controller 6 and ascending power amplifier
7, uplink gain controller 6 carries out analysis to signal and adjusts the enlargement ratio of ascending power amplifier 7 according to signal strength, protects
The stabilization of signal strength is held, self-excitation probability is reduced；Ascending power amplifier 7 passes to uplink self-excitation wave detector after amplifying signal
8 detect whether self-excitation, if detecting self-excitation, uplink sends controller 9 and the signal of ascending power amplifier 7 is blocked to pass through, and controls
Uplink fault-signal transmitter 10 processed sends out fault-signal, if not detecting self-excitation, the signal of ascending power amplifier 7 passes through
Uplink sends controller 9, and passes to donor antenna 12 by the second duplexer 11, is finally sent to base station.Downlink data passes
When passing, donor antenna 12 passes to the second duplexer 11 after receiving base station signal, and the second duplexer 11 transmits a signal to down
Row low noise amplifier 13 carries out low noise processing, and downlink frequency converter 14 will be transmitted to 15 automatic fitration of downstream filter after signal frequency conversion
Interference signal, filtered signal pass to downlink gain controller 16 and downlink power amplifier 17, downlink gain controller
16 pairs of signals carry out analysis and adjust the enlargement ratio of downlink power amplifier 17, downlink power amplifier 17 according to signal strength
Downlink self-excitation wave detector 18 is passed to after signal is amplified and detects whether self-excitation, if detecting self-excitation, downlink sends controller 19
It blocks the signal of downlink power amplifier 17 to pass through, and controls downlink fault-signal transmitter 20 and send out fault-signal, if not having
Detect self-excitation, the signal of downlink power amplifier 17 sends controller 19 by downlink, and is passed to by first duplexer 2
Retransmitting antenna 1 finally covers in the weak area of signal or blind area.
After adopting the above technical scheme, the utility model has the beneficial effect that：Duplex forwarding movable signal device reduces
Self-excitation probability can detect self-excitation signal automatically, and blocking self-excitation signal transmits and fault message is passed to operator, convenient
Operator repairs and debugs in time.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (5)
1. duplex forwarding movable signal device, it is characterised in that：It is low comprising retransmitting antenna (1), first duplexer (2), uplink
Noise Amplifier (3), uplink frequency converter (4), upstream filter (5), uplink gain controller (6), ascending power amplifier
(7), uplink self-excitation wave detector (8), uplink send controller (9), uplink fault-signal transmitter (10), the second duplexer
(11), donor antenna (12), downlink low noise amplifier (13), downlink frequency converter (14), downstream filter (15), downlink gain
Controller (16), downlink power amplifier (17), downlink self-excitation wave detector (18), downlink send controller (19), downlink failure
Signal projector (20)；Retransmitting antenna (1) is connected with first duplexer (2), first duplexer (2) and uplink low noise amplifier
(3) it is connected, uplink low noise amplifier (3) is connected with uplink frequency converter (4), uplink frequency converter (4) and upstream filter (5) phase
Even, upstream filter (5) is connected with ascending power amplifier (7), uplink gain controller (6) and ascending power amplifier (7)
It is connected, uplink gain controller (6) is connected with upstream filter (5), ascending power amplifier (7) and uplink self-excitation wave detector
(8) it is connected, uplink sends controller (9) and is connected with uplink fault-signal transmitter (10), uplink fault-signal transmitter (10)
It is connected with the second duplexer (11), the second duplexer (11) is connected with donor antenna (12)；Second duplexer (11) is low with downlink
Noise Amplifier (13) be connected, downlink low noise amplifier (13) is connected with downlink frequency converter (14), downlink frequency converter (14) and
Downstream filter (15) is connected, and downstream filter (15) is connected with downlink gain controller (16), downlink gain controller (16)
With downlink power amplifier (17), downlink gain controller (16) is connected with downstream filter (15), downlink power amplifier
(17) it is connected with downlink self-excitation wave detector (18), downlink self-excitation wave detector (18) sends controller (19) with downlink and is connected, and sends
Controller (19) is connected with downlink fault-signal transmitter (20), downlink fault-signal transmitter (20) and first duplexer (2)
It is connected.
2. duplex forwarding movable signal device according to claim 1, it is characterised in that：The retransmitting antenna (1) passes through
The communications cable is connect with first duplexer (2).
3. duplex forwarding movable signal device according to claim 1, it is characterised in that：The donor antenna (12) passes through
The communications cable is connect with the second duplexer (11).
4. duplex forwarding movable signal device according to claim 1, it is characterised in that：The uplink gain controller
(6) include uplink D/A converter module (601), uplink signal processing chip (602), uplink gain sending module (603), uplink
The input terminal of D/A converter module (601) is connected with upstream filter (5), the output end of uplink D/A converter module (601) with
Uplink signal processing chip (602) is connected, output end and the uplink gain sending module of uplink signal processing chip (602)
(603) it is connected, the output end of uplink gain sending module (603) is connected with ascending power amplifier (7).
5. duplex forwarding movable signal device according to claim 1, it is characterised in that：The downlink gain controller
(16) include downlink D/A converter module (1601), downlink signal processing chip (1602), downlink gain sending module (1603),
The input terminal of downlink D/A converter module (1601) is connected with downstream filter (15), downlink D/A converter module (1601) it is defeated
Outlet is connected with downlink signal processing chip (1602), and output end and the downlink gain of downlink signal processing chip (1602) are sent
Module (1603) is connected, and the output end of downlink gain sending module (1603) is connected with downlink power amplifier (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501175.4U CN207968488U (en) | 2018-04-10 | 2018-04-10 | Duplex forwarding movable signal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501175.4U CN207968488U (en) | 2018-04-10 | 2018-04-10 | Duplex forwarding movable signal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968488U true CN207968488U (en) | 2018-10-12 |
Family
ID=63727343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820501175.4U Expired - Fee Related CN207968488U (en) | 2018-04-10 | 2018-04-10 | Duplex forwarding movable signal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968488U (en) |
-
2018
- 2018-04-10 CN CN201820501175.4U patent/CN207968488U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20190410 |