CN207543111U - A kind of digital high-frequency amplification station - Google Patents
A kind of digital high-frequency amplification station Download PDFInfo
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- CN207543111U CN207543111U CN201721066595.6U CN201721066595U CN207543111U CN 207543111 U CN207543111 U CN 207543111U CN 201721066595 U CN201721066595 U CN 201721066595U CN 207543111 U CN207543111 U CN 207543111U
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Abstract
The utility model discloses a kind of digital high-frequency amplification stations, including donor antenna, retransmitting antenna, direct amplification machine main body, the direct amplification machine main body includes digital fiber dipped beam machine and digital fiber distance light machine, the signal transmitting and receiving end of the donor antenna is connected with coupler, the signal transmitting and receiving end of the coupler is connected with digital fiber dipped beam machine, the signal transmitting and receiving end of the digital fiber dipped beam machine is connected with optical branching device, the optical branching device is connected with digital fiber distance light machine, the signal transmitting and receiving end of the digital fiber distance light machine is connect with retransmitting antenna, the digital fiber distance light machine includes the digital fiber distance light A for sending and receiving different digital signal, digital fiber distance light B and digital fiber distance light C.The utility model is by being connected with the digital fiber distance light being made of digital fiber distance light A, digital fiber distance light B and digital fiber distance light C at the signal transmitting and receiving end of digital fiber dipped beam machine, it can realize and classification processing is carried out to different types of digital signal, improve communication effect.
Description
Technical field
The utility model is related to mobile communication technology field, specially a kind of digital high-frequency amplification station.
Background technology
With the fast development of Mobile Communications Market, user increasingly wishes that high quality communication can be provided whenever and wherever possible.For
This, mobile communication service quotient starts to be difficult to the blind area design repeater covered in outdoor, the inferior electric wave of interior of building and ground, with
Meets the needs of user is for session services to the maximum extent.Intelligence grinds the expression of data research center, current home mobile network fortune
It seeks demand of the quotient to repeater and still maintains ascendant trend, be primarily due to compete between operator gradually aggravating, client couple
The demand of high-quality wireless coverage increasingly increases and operator is in terms of cost-effectiveness, increase investment repayment and health service revenue
The pressure born increases day by day, therefore operators is forced to increase the throwing to wireless coverage solution in the time in the past few years
Enter, to improve its Network Qualities and service quality, so as to increase health service revenue, improve user's satisfaction rate.Using repeater as
It realizes one of necessary means of " low capacity, big covering " target, is not increase base station number mainly due to the use of repeater one
Ensure the network coverage under the premise of amount, second is that its cost is well below the micro cellular system for having effect same.Repeater is to solve
Communication network extends over a kind of preferred embodiment of ability.It has compared with base station it is simple in structure, investment it is less and easy for installation
The advantages that, the blind area for being difficult to cover and weak area are can be widely used for, such as market, hotel, airport, harbour, station, gymnasium, amusement
The problems such as various places such as the Room, subway, tunnel, highway, island improve communication quality, solve call drop.Existing digital direct
Put station and realizing retransmission or forwarding to data-signal, come expand network transmission apart from when, but there are still letters
Number transmitting-receiving is chaotic, is susceptible to network failure, and be unfavorable for efficient signal transmission.
Utility model content
The purpose of this utility model is to provide a kind of digital high-frequency amplification station, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides following technical solution：A kind of digital high-frequency amplification station, including alms giver day
Line, retransmitting antenna, direct amplification machine main body, the direct amplification machine main body includes digital fiber dipped beam machine and digital fiber distance light machine, described
The signal transmitting and receiving end of donor antenna is connected with coupler, the signal transmitting and receiving end of the coupler and the digital fiber dipped beam machine phase
Even, the signal transmitting and receiving end of the digital fiber dipped beam machine is connected has optical branching device by optical fiber, and the optical branching device passes through optical fiber
It is connected with the digital fiber distance light machine, the signal transmitting and receiving end of the digital fiber distance light machine is connect with the retransmitting antenna,
The digital fiber distance light machine includes digital fiber distance light A, the digital fiber distance light B for sending and receiving different digital signal
Pass through optical branching respectively with digital fiber distance light C, the digital fiber distance light A, digital fiber distance light B and digital fiber distance light C
Device is connect with the digital fiber dipped beam machine two-way signaling.
Preferably, it is single that duplexer filter, baseband processing unit and light transmitting-receiving are provided in the digital fiber dipped beam machine
Member, the duplexer filter signal output end passes sequentially through down coversion and A/D numerical value conversions convert analog signals into digital letter
Number it is sent to baseband processing unit and light Transmit-Receive Unit.
Preferably, it is single that duplexer filter, baseband processing unit and light transmitting-receiving are provided in the digital fiber distance light machine
The output terminal of member, the baseband processing unit and light Transmit-Receive Unit passes sequentially through D/A converter and up-conversion by digital signal
It is converted to analog signal and is sent to duplexer filter, retransmitted by retransmitting antenna.
Preferably, the duplexer filter signal output end in the digital fiber distance light machine passes sequentially through down coversion and A/D
Numerical value conversion converts analog signals into digital signal and is sent to baseband processing unit and light Transmit-Receive Unit.
Preferably, the output terminal of baseband processing unit and light Transmit-Receive Unit passes sequentially through in the digital fiber dipped beam machine
D/A converter and up-conversion convert digital signals into analog signal and are sent to duplexer filter, are emitted again by donor antenna
To base station.
Preferably, power amplification unit is provided in the direct amplification machine main body, the power amplification unit includes uplink work(
Rate amplification module and descending power amplification module, two input terminal are connect respectively with digital signal processing unit output terminal.
Preferably, the direct amplification machine main body includes the power supply list powered for digital fiber dipped beam machine and digital fiber distance light machine
Member.
Preferably, the direct amplification machine main body includes the prison being monitored to digital fiber dipped beam machine and digital fiber distance light machine
Control unit.
Compared with prior art, the beneficial effects of the utility model are：
1st, for the utility model donor antenna by the downstream signal reception of base station into direct amplification machine, signal is near by digital fiber
Ray machine and digital fiber distance light machine, in digital fiber dipped beam machine and the filtered device filtering of digital fiber distance light machine, intermediate frequency amplifies, then
Shift frequency up-conversion amplifies through power amplifier to radio frequency, mobile station is emitted to by retransmitting antenna；The utility model utilizes weight simultaneously
It sends out antenna and receives mobile station uplink signal, link processing is amplified by uplink along opposite path, by low noise amplifier, down coversion
Device, wave filter, in put, upconverter, power amplifier are emitted to base station again, so as to reach the two-way of base station and mobile station
Letter.
2nd, the utility model at the signal transmitting and receiving end of digital fiber dipped beam machine by being connected with by digital fiber distance light A, number
The digital fiber distance light of word optical fiber distance light B and digital fiber distance light C compositions, can realize and different types of digital signal is carried out
Classification is handled, and improves communication effect.
Description of the drawings
Fig. 1 is a kind of digital high-frequency amplification station overall structure diagram of the utility model；
Fig. 2 is a kind of digital high-frequency amplification station side structure schematic diagram of the utility model；
Fig. 3 is a kind of digital high-frequency amplification station I/Q modulator circuit schematic diagrames of the utility model.
In figure：10- digital fiber distance light machines；11- couplers；12- digital fiber dipped beam machines；13- optical branching devices；14- numbers
Word optical fiber distance light A；15- digital fiber distance light B；16- digital fiber distance light C；17- retransmitting antennas；18- direct amplification machine main bodys；201-
Duplexer filter；202- baseband processing units；203- light Transmit-Receive Units.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of digital high-frequency amplification station, including donor antenna 16,
Retransmitting antenna 17, direct amplification machine main body 18, the direct amplification machine main body 18 include digital fiber dipped beam machine 12 and digital fiber distance light machine
10, the signal transmitting and receiving end of the donor antenna 16 is connected with coupler 11, signal transmitting and receiving end and the number of the coupler 11
Word optical fiber dipped beam machine 12 is connected, and the signal transmitting and receiving end of the digital fiber dipped beam machine 12 is connected with optical branching device 13 by optical fiber,
The optical branching device 13 is connected by optical fiber with the digital fiber distance light machine 10, the letter of the digital fiber distance light machine 10
Number sending and receiving end is connect with the retransmitting antenna 17, and the digital fiber distance light machine 10 includes sending and receiving different digital letter
Number digital fiber distance light A14, digital fiber distance light B15 and digital fiber distance light C16, the digital fiber distance light A14, number
Word optical fiber distance light B15 and digital fiber distance light C16 passes through optical branching device 13 and the 12 two-way letter of digital fiber dipped beam machine respectively
Number connection.
It is single that duplexer filter 201, baseband processing unit 202 and light transmitting-receiving are provided in the digital fiber dipped beam machine 12
Member 203,201 signal output end of duplexer filter passes sequentially through down coversion and A/D numerical value conversions convert analog signals into
Digital signal is sent to baseband processing unit 202 and light Transmit-Receive Unit 203；It is provided in the digital fiber distance light machine 10
Duplexer filter 201, baseband processing unit 202 and light Transmit-Receive Unit 203, the baseband processing unit 202 and light transmitting-receiving
The output terminal of unit 203 passes sequentially through D/A converter and up-conversion converts digital signals into analog signal and is sent to duplexing filter
Wave device 201 is retransmitted by retransmitting antenna 17, for carrying out downlink signal processing.
201 signal output end of duplexer filter in the digital fiber distance light machine 10 passes sequentially through down coversion and A/D numbers
Value conversion converts analog signals into digital signal and is sent to baseband processing unit 202 and light Transmit-Receive Unit 203；The number
The output terminal of baseband processing unit 202 and light Transmit-Receive Unit 203 passes sequentially through D/A converter and upper in optical fiber dipped beam machine 12
Frequency conversion converts digital signals into analog signal and is sent to duplexer filter 201, is emitted to base station again by donor antenna, is used for
Carry out uplink signal processing.
Power amplification unit is provided in the direct amplification machine main body 18, the power amplification unit amplifies including ascending power
Module and descending power amplification module, two input terminal are connect respectively with digital signal processing unit output terminal.
The direct amplification machine main body 18 includes the power supply list powered for digital fiber dipped beam machine 12 and digital fiber distance light machine 10
Member；The direct amplification machine main body 18 includes the monitoring list being monitored to digital fiber dipped beam machine 12 and digital fiber distance light machine 10
Member.
Operation principle：For the utility model donor antenna by the downstream signal reception of base station into direct amplification machine, signal passes through number
Word optical fiber dipped beam machine 12 and digital fiber distance light machine 10, in 10 filtered device of digital fiber dipped beam machine 12 and digital fiber distance light machine
Filtering, intermediate frequency amplification, then shift frequency up-conversion amplify through power amplifier to radio frequency, mobile station are emitted to by retransmitting antenna；Simultaneously
Using retransmitting antenna receive mobile station uplink signal, link processing is amplified by uplink along opposite path, by low noise amplifier, under
Frequency converter, wave filter, in put, upconverter, power amplifier are emitted to base station again, so as to reach the two-way of base station and mobile station
Communication.By setting optical branching device 13 between digital fiber dipped beam machine 12 and digital fiber distance light machine 10, for believing number
Number classification processing is carried out, logical digital fiber distance light A14, digital fiber distance light B15 and digital fiber distance light C16 are sent, and are carried
High communication effect.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of digital high-frequency amplification station, including donor antenna (19), retransmitting antenna (17), direct amplification machine main body (18), it is characterised in that：
The direct amplification machine main body (18) includes digital fiber dipped beam machine (12) and digital fiber distance light machine (10), the donor antenna (19)
Signal transmitting and receiving end be connected with coupler (11), signal transmitting and receiving end and the digital fiber dipped beam machine of the coupler (11)
(12) it is connected, the signal transmitting and receiving end of the digital fiber dipped beam machine (12) is connected with optical branching device (13), the light by optical fiber
Splitter (13) is connected by optical fiber with the digital fiber distance light machine (10), the signal of the digital fiber distance light machine (10)
Sending and receiving end is connect with the retransmitting antenna (17), and the digital fiber distance light machine (10) is including for sending and receiving different digital
Digital fiber distance light A (14), digital fiber distance light B (15) and the digital fiber distance light C (16) of signal, the digital fiber distance light
A (14), digital fiber distance light B (15) and digital fiber distance light C (16) pass through optical branching device (13) and the digital fiber respectively
Dipped beam machine (12) two-way signaling connects.
2. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：It is set in the digital fiber dipped beam machine (12)
It is equipped with duplexer filter (201), baseband processing unit (202) and light Transmit-Receive Unit (203), the duplexer filter (201)
Signal output end passes sequentially through down coversion and A/D numerical value conversions convert analog signals into digital signal and are sent to Base-Band Processing list
First (202) and light Transmit-Receive Unit (203).
3. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：It is set in the digital fiber distance light machine (10)
It is equipped with duplexer filter (201), baseband processing unit (202) and light Transmit-Receive Unit (203), the baseband processing unit
(202) and the output terminal of light Transmit-Receive Unit (203) passes sequentially through D/A converter and up-conversion converts digital signals into simulation
Signal is sent to duplexer filter (201), is retransmitted by retransmitting antenna (17).
4. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：In the digital fiber distance light machine (10)
Duplexer filter (201) signal output end passes sequentially through down coversion and A/D numerical value conversions convert analog signals into digital signal
It is sent to baseband processing unit (202) and light Transmit-Receive Unit (203).
5. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：The interior base of the digital fiber dipped beam machine (12)
The output terminal of tape handling unit (202) and light Transmit-Receive Unit (203) passes sequentially through D/A converter and up-conversion by digital signal
It is converted to analog signal and is sent to duplexer filter (201), base station is emitted to by donor antenna again.
6. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：It is provided in the direct amplification machine main body (18)
Power amplification unit, the power amplification unit include ascending power amplification module and descending power amplification module, two is defeated
Enter end to connect with digital signal processing unit output terminal respectively.
7. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：The direct amplification machine main body (18) is including being several
Word optical fiber dipped beam machine (12) and the power supply unit of digital fiber distance light machine (10) power supply.
8. a kind of digital high-frequency amplification station according to claim 1, it is characterised in that：The direct amplification machine main body (18) is including logarithm
The monitoring unit that word optical fiber dipped beam machine (12) and digital fiber distance light machine (10) are monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066595.6U CN207543111U (en) | 2017-08-24 | 2017-08-24 | A kind of digital high-frequency amplification station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066595.6U CN207543111U (en) | 2017-08-24 | 2017-08-24 | A kind of digital high-frequency amplification station |
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| Publication Number | Publication Date |
|---|---|
| CN207543111U true CN207543111U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721066595.6U Active CN207543111U (en) | 2017-08-24 | 2017-08-24 | A kind of digital high-frequency amplification station |
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| Country | Link |
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| CN (1) | CN207543111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634800A (en) * | 2017-08-24 | 2018-01-26 | 广东埃信信息技术有限公司 | A kind of digital high-frequency amplification station |
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2017
- 2017-08-24 CN CN201721066595.6U patent/CN207543111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634800A (en) * | 2017-08-24 | 2018-01-26 | 广东埃信信息技术有限公司 | A kind of digital high-frequency amplification station |
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