CN109412633A - Communication equipment and repeater - Google Patents
Communication equipment and repeater Download PDFInfo
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- CN109412633A CN109412633A CN201811445393.1A CN201811445393A CN109412633A CN 109412633 A CN109412633 A CN 109412633A CN 201811445393 A CN201811445393 A CN 201811445393A CN 109412633 A CN109412633 A CN 109412633A
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- 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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- 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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
This application involves a kind of communication equipment and repeaters.The communication equipment includes: sequentially connected RF receiving and transmission module, combiner device, frequency-variable module, digital module and microwave transceiver module;Microwave transceiver module includes sequentially connected Microwave transceiver unit, microwave combiner device and microwave antenna, and Microwave transceiver unit includes main Microwave transceiver unit and from Microwave transceiver unit;RF receiving and transmission module is by the radio signal transmission received from communication party to combiner device, form main radiofrequency signal and after radiofrequency signal, it is transmitted separately to frequency-variable module, after frequency-variable module frequency conversion is for main intermediate-freuqncy signal and from intermediate-freuqncy signal, it is transmitted separately to digital module and carries out framing processing, it obtains main group of frame signal and is issued from a group frame signal, main Microwave transceiver unit and from Microwave transceiver unit by main group of frame signal and from group frame signal via microwave combiner device from microwave antenna.The module level switching backup to the Microwave transceiver unit of the near-end machine or remote termination of repeater may be implemented in the communication equipment.
Description
Technical field
This application involves fields of communication technology, more particularly to a kind of communication equipment and repeater.
Background technique
In recent years, repeater was strong by its networking capability, covering is wide, noise is low, small power consumption, facilitates debugging, failure rate low
The features such as, large-scale promotion and application are obtained, in mobile communication field with power-assisted mobile Internet and wideband data industry
The demand of the explosive growth of business.
Wherein, data can be transmitted by optical fiber between the near-end machine and remote termination of repeater, can also be passed by microwave
Transmission of data.But in the actual environment, the embedded possible many premises of needs of optical fiber, therefore directly putting using microwave transmission data
Application environment of standing is more extensive.
However, entirely being covered for the repeater above by microwave transmission data if Microwave transceiver unit will lead to extremely
The communication of cover area is paralysed, that is, there is a problem of that robustness is low.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of communication equipment that robustness is high and repeater.
In a first aspect, a kind of communication equipment, the communication equipment include:
Sequentially connected RF receiving and transmission module, combiner device, frequency-variable module, digital module and microwave transceiver module;It is described
Microwave transceiver module includes sequentially connected Microwave transceiver unit, microwave combiner device and microwave antenna, the microwave transmitting and receiving list
Member includes main Microwave transceiver unit and from Microwave transceiver unit;
The radio signal transmission received from communication party to the combiner device is formed master and penetrated by the RF receiving and transmission module
Frequency signal and after radiofrequency signal, is transmitted separately to the frequency-variable module, through the frequency-variable module frequency conversion be main intermediate-freuqncy signal and
It after intermediate-freuqncy signal, is transmitted separately to the digital module and carries out framing processing, obtain main group of frame signal and from a group frame signal, institute
State main Microwave transceiver unit and it is described from Microwave transceiver unit by the main group of frame signal and it is described from group frame signal via described
Microwave combiner device is issued from the microwave antenna;Wherein, the main radiofrequency signal and from the data content phase in radiofrequency signal
Together.
In one of the embodiments, when the communication party is base station, the communication equipment is the near-end machine of repeater;
When the communication party is terminal device, the communication equipment is the remote termination of repeater.
The microwave signal transmission that the microwave antenna is also used to receive from communication party in one of the embodiments, to
The microwave combiner device, forms main microwave signal and from microwave signal, respectively through the main Microwave transceiver unit and from microwave
Transmit-Receive Unit is converted into main framing signal and after group frame signal, is transmitted separately to the digital module and carries out frame decoding processing, obtains
To main intermediate-freuqncy signal and from intermediate-freuqncy signal, the frequency-variable module is main radio frequency by the main intermediate-freuqncy signal and from intermediate frequency signal frequency conversion
Signal and after radiofrequency signal is transmitted to the combiner device and forms radiofrequency signal, and the RF receiving and transmission module is by the radio frequency
Signal issues;Wherein, the main microwave signal is identical with from the data content in microwave signal.
In one of the embodiments, when the communication party is the near-end machine of repeater, the communication equipment is directly to put
The remote termination stood;When the communication party is the remote termination of repeater, the communication equipment is the near-end machine of repeater.
The digital module includes: main digital module interconnected and from digital module in one of the embodiments,;
The main digital module is connected with the main Microwave transceiver unit, described from digital module and described from Microwave transceiver unit company
It connects.
In one of the embodiments, when the communication equipment is the near-end machine of repeater, the communication equipment is also wrapped
Include at least base-station interface of light connects and light combiner device all the way, and at least base stations couple device all the way;The main digital module
Including at least one master base station protocol interface, it is described from digital module include at least one from base station protocol interface, the light point
Combiner respectively with the master base station protocol interface and described from base station protocol interface light connects, the base stations couple device with it is described
The connection of combiner device.
The RF receiving and transmission module includes: radio-frequency antenna and Transmit Receive Unit in one of the embodiments, described to penetrate
Frequency Transmit-Receive Unit includes main amplifier and from amplifier.
The frequency-variable module includes main converter unit and from converter unit, the main transformer frequency in one of the embodiments,
Unit is connected with the main digital module, described to be connected from converter unit with described from digital module.
The main digital module further includes at least one main fiber protocol interface in one of the embodiments, it is described from
Digital module further includes at least one from fiber optic protocols interface.
Second aspect, a kind of repeater, including near-end machine and remote termination, the near-end machine and remote termination are that above-mentioned communication is set
It is standby.
Above-mentioned communication equipment, the near-end machine that can be used as in repeater carry out downlink transfer, may be implemented to near-end machine
The module level of Microwave transceiver unit switches backup;Or uplink is carried out as the remote termination in repeater, it may be implemented pair
The module level of the Microwave transceiver unit of remote termination switches backup;Improve directly putting for the near-end machine and remote termination connected by microwave
The robustness stood reduces maintenance cost without carrying out on-site maintenance immediately.
Detailed description of the invention
Fig. 1 is the applied environment figure of communication equipment in one embodiment;
Fig. 2 is the structural block diagram of communication equipment in one embodiment;
Fig. 3 be one embodiment in as repeater near-end machine communication equipment structural block diagram;
Fig. 4 be one embodiment in as repeater remote termination communication equipment structural block diagram;
Fig. 5 be another embodiment in as repeater remote termination communication equipment structural block diagram;
Fig. 6 is the figure one of the networking schematic diagram of repeater in one embodiment;
Fig. 7 is the figure two of the networking schematic diagram of repeater in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Communication equipment provided by the present application can be applied in application environment as shown in Figure 1.In Fig. 1, repeater 10
Near-end machine 11 can connect at least one base station 13, the remote termination 12 of repeater 10 can be at least one terminal device 14
Connection, near-end machine 11 and remote termination 12 can pass through microwave mutual data transmission.Repeater 10 is used as a kind of signal trunking,
Can be widely used for the blind area for being difficult to cover and weak area, as market, hotel, airport, harbour, station, gymnasium, amusement hall, subway,
The various places such as tunnel, highway, island can be improved communication network and extend over ability and communication quality.Wherein, closely
Terminal 11 can use communication equipment provided by the present application, and remote termination 12 can also use communication equipment provided by the present application.Eventually
End equipment 14, which can be, but not limited to, to be various personal computers, laptop, smart phone, tablet computer and portable wears
Equipment is worn, base station 13 can be, but not limited to be macro base station, micro-base station, femto base station etc..
In one embodiment, as shown in Fig. 2, providing a kind of communication equipment 20, which, which can be used as, is directly put
Near-end machine in standing carries out downlink transfer, or carries out uplink as the remote termination in repeater, by communication equipment
The module level switching backup of Microwave transceiver unit may be implemented, to improve communication equipment in the redundancy backup of middle Microwave transceiver unit
Robustness.It is applied to environment in Fig. 1 with the communication equipment to be illustrated, may include: sequentially connected RF receiving and transmission module
21, combiner device 22, frequency-variable module 23, digital module 24 and microwave transceiver module 25;Microwave transceiver module 25 may include according to
The Microwave transceiver unit 251 of secondary connection, microwave combiner device 252 and microwave antenna 253, Microwave transceiver unit 251 may include
Main Microwave transceiver unit 2511 and from Microwave transceiver unit 2512;RF receiving and transmission module 21 can be penetrated what is received from communication party
Frequency signal is transmitted to combiner device 22, forms main radiofrequency signal and after radiofrequency signal, frequency-variable module 23 is transmitted separately to, through becoming
23 frequency conversion of frequency module can be transmitted separately to digital module 24 and carry out framing processing for main intermediate-freuqncy signal and after intermediate-freuqncy signal,
Obtain main group of frame signal and from a group frame signal;Main Microwave transceiver unit 2511 and can be by main framing from Microwave transceiver unit 2512
Signal and from group frame signal via microwave combiner device 252 from microwave antenna 253 issue;Wherein, main radiofrequency signal and from radio frequency
Data content in signal is identical.It should be noted that main Microwave transceiver unit can issue main group of frame signal, received from microwave
Bill member can will be issued from group frame signal;Can certainly main Microwave transceiver unit can will be issued from group frame signal, from micro-
Wave Transmit-Receive Unit can issue main group of frame signal;It is repeated no more in the present embodiment.
In one case, when communication party is base station, communication equipment is the near-end machine of repeater.The near-end machine can lead to
The radio-frequency antenna and Transmit-Receive Unit in RF receiving and transmission module are crossed, the radiofrequency signal that base station is sent is received, after combiner device, point
It is at least main radiofrequency signal and from this two-way radiofrequency signal of radiofrequency signal, frequency-variable module is respectively enterd, at frequency-variable module mixing
Radiofrequency signal is changed for main intermediate-freuqncy signal and from intermediate-freuqncy signal after reason, then respectively enters digital module, after analog-to-digital conversion
Obtain main downgoing baseband signal and from downgoing baseband signal, which can be to the main downgoing baseband signal and from downlink base
Band signal carries out framing processing, main group of obtained frame signal and from a group frame signal;Finally by main Microwave transceiver unit by main group
Frame signal, which is converted, is sent to remote termination by microwave antenna through combiner device into main microwave signal, and by from Microwave transceiver unit
It will be converted to from a group frame signal and remote termination is sent to by microwave antenna from microwave signal through combiner device.Wherein, framing processing makes
It obtains signal to transmit as unit of frame, the frame of error can be only retransmitted in error, without retransmitting total data, to improve
Efficiency of transmission.
Therefore, illustratively, near-end machine receive the radiofrequency signal of base station through combiner device be divided into main radiofrequency signal and from
Radiofrequency signal, the data content in this two paths of signals is identical, the backup of module level switching each other;Similarly, believed by above-mentioned main radio frequency
Number with, each other module level identical with from the data content in group frame signal from the main intermediate-freuqncy signal that radiofrequency signal is handled respectively
Switching backup;Therefore in normal work, it is 1 that the digital gain in main intermediate-freuqncy signal analog-to-digital conversion, which can be set, in digital module,
From intermediate frequency signal mode number convert in digital gain into 0, then be equivalent to digital module at this time and only export main group of frame signal, near-end machine
Main group of frame signal is only converted to by main microwave signal by main Microwave transceiver unit and is sent to remote termination;And in main microwave transmitting and receiving list
When first failure, then main intermediate-freuqncy signal mould can be set in the available warning information to main Microwave transceiver unit of digital module
Number convert in digital gain into 0, and the digital gain in converting from intermediate frequency signal mode number is equivalent to number at this time then into 1
Module is only exported from a group frame signal, and near-end machine is only sent out by that will be converted to from a group frame signal from Microwave transceiver unit from microwave signal
Give remote termination.It should be noted that the timing feedback information of the available main Microwave transceiver unit of digital module, to judge to lead
Microwave transceiver unit whether failure.Certainly, in the present embodiment, illustratively, in normal work, above-mentioned digital module can also
With the digital gain that is arranged in main intermediate-freuqncy signal analog-to-digital conversion for 1, by the digital gain in being converted from intermediate frequency signal mode number into 1,
Any when breaking down in Microwave transceiver unit master and slave in this way, communication equipment still can work normally.Therefore, the present embodiment can
To realize that the module level to the Microwave transceiver unit of near-end machine switches backup, the near-end machine and remote termination connected by microwave is improved
Repeater robustness, reduce maintenance cost.Turn it should be noted that the setting of above-mentioned digital gain is not limited in modulus
Change process, and can be digital module to digital signal handled it is each during.
In another case, when communication party is terminal device, communication equipment is the remote termination of repeater.The remote termination
The radiofrequency signal that terminal is sent can be received, by combiner by the radio-frequency antenna and Transmit-Receive Unit in RF receiving and transmission module
After device, it is divided at least main radiofrequency signal and from this two-way radiofrequency signal of radiofrequency signal, frequency-variable module is respectively enterd, through frequency-variable module
Transformation is for main intermediate-freuqncy signal and from intermediate-freuqncy signal after Frequency mixing processing, then respectively enters digital module, obtains after analog-to-digital conversion
Your Majesty's row baseband signal and from uplink baseband signal, which can believe to Your Majesty's row baseband signal and from uplink baseband
Number carry out framing processing, main group of obtained frame signal and from a group frame signal;Main framing is believed finally by main Microwave transceiver unit
It number converts and near-end machine to be sent to by microwave antenna through combiner device into main microwave signal, and by will be from from Microwave transceiver unit
Group frame signal, which is converted to, is sent to near-end machine by microwave antenna from microwave signal through combiner device.
Therefore, illustratively, remote termination receive the radiofrequency signal of terminal through combiner device be divided into main radiofrequency signal and from
Radiofrequency signal, the data content in this two paths of signals is identical, the backup of module level switching each other;Similarly, believed by above-mentioned main radio frequency
Number with, each other module level identical with from the data content in group frame signal from the main intermediate-freuqncy signal that radiofrequency signal is handled respectively
Switching backup;Therefore in normal work, it is 1 that the digital gain in main intermediate-freuqncy signal analog-to-digital conversion, which can be set, in digital module,
From intermediate frequency signal mode number convert in digital gain into 0, then be equivalent to digital module at this time and only export main group of frame signal, remote termination
Main group of frame signal is only converted to by main microwave signal by main Microwave transceiver unit and is sent to near-end machine;And in main microwave transmitting and receiving list
When first failure, then main intermediate-freuqncy signal mould can be set in the available warning information to main Microwave transceiver unit of digital module
Number convert in digital gain into 0, and the digital gain in converting from intermediate frequency signal mode number is equivalent to number at this time then into 1
Module is only exported from a group frame signal, and remote termination is only sent out by that will be converted to from a group frame signal from Microwave transceiver unit from microwave signal
Give near-end machine.Certainly, in the present embodiment, illustratively, in normal work, above-mentioned digital module also can be set in main
Digital gain in frequency signal analog-to-digital conversion is 1, master and slave micro- in this way by the digital gain in converting from intermediate frequency signal mode number into 1
Any when breaking down in wave Transmit-Receive Unit, communication equipment still can work normally.Therefore, the present embodiment may be implemented to distal end
The module level of the Microwave transceiver unit of machine switches backup, improves the steady of the repeater of the near-end machine and remote termination that connect by microwave
Strong property, reduces maintenance cost.
To sum up, above-mentioned communication equipment can be used as the near-end machine in repeater and carry out downlink transfer, may be implemented to proximal end
The module level of the Microwave transceiver unit of machine switches backup;Or uplink, Ke Yishi are carried out as the remote termination in repeater
Backup now is switched to the module level of the Microwave transceiver unit of remote termination;Improve the near-end machine and remote termination connected by microwave
The robustness of repeater reduces maintenance cost without carrying out on-site maintenance immediately.
On the basis of the above embodiments, which is also used as the remote termination in repeater and carries out downlink biography
It is defeated, or uplink is carried out as the near-end machine in repeater, it is standby by the redundancy to Microwave transceiver unit in communication equipment
Part, the module level switching backup of Microwave transceiver unit may be implemented, to improve the robustness of communication equipment.Wherein, microwave antenna
253 can be also used for the microwave signal transmission that will be received from communication party to microwave combiner device 252, formed main microwave signal and
From microwave signal, convert respectively through main Microwave transceiver unit 2511 and from Microwave transceiver unit 2512 into main framing signal and from group
After frame signal, it is transmitted separately to digital module 24 and carries out frame decoding processing, obtain main intermediate-freuqncy signal and from intermediate-freuqncy signal, frequency-variable module
23 can be main radiofrequency signal and after radiofrequency signal by main intermediate-freuqncy signal and from intermediate frequency signal frequency conversion, be transmitted to combiner device 22
Radiofrequency signal is formed, RF receiving and transmission module 21 can issue radiofrequency signal;Wherein, main microwave signal and from microwave signal
Data content is identical.It should be noted that the main microwave signal mentioned in the present embodiment, from microwave signal, main group of frame signal, from
Group frame signal, main intermediate-freuqncy signal, from intermediate-freuqncy signal, main radiofrequency signal, from the corresponding name in radiofrequency signal etc., He Shangyi embodiment
The signal content of title is simultaneously different.
In one case, when communication party is the near-end machine of repeater, communication equipment is the remote termination of repeater.This is remote
Terminal can receive the microwave signal that near-end machine is sent by the microwave antenna in microwave transceiver module, by microwave combiner device
Afterwards, it is divided at least main microwave signal and from this two way microwave signals of microwave signal, respectively enters main Microwave transceiver unit and from micro-
Wave Transmit-Receive Unit, transformation is for main framing signal and from a group frame signal after Digital Microwave conversion process, then respectively enters digital mould
Block, the digital module can carry out frame decoding processing to the main group of frame signal and from group frame signal respectively, obtain main downgoing baseband letter
Number and from downgoing baseband signal, and obtain after digital-to-analogue conversion main intermediate-freuqncy signal and from intermediate-freuqncy signal, be transmitted further to frequency conversion mould
Block, transformation is transmitted to combiner device and synthesizes all the way for main radiofrequency signal and from radiofrequency signal after frequency-variable module Frequency mixing processing
The radiofrequency signal is sent to terminal device by RF receiving and transmission module by radiofrequency signal.
Therefore, illustratively, the microwave signal that remote termination receives near-end machine is divided into main microwave through microwave combiner device and believes
Number and it is identical from the data content in microwave signal, this two paths of signals, each other module level switching backup;Similarly, by above-mentioned master
Microwave signal and from the main downgoing baseband signal that microwave signal is handled respectively and from the data content in downgoing baseband signal
It is identical, the backup of module level switching each other;Therefore in normal work, digital module can be set main downgoing baseband signal digital-to-analogue and turn
Digital gain in changing is 1, is 0 from the digital gain in downgoing baseband signal digital-to-analogue conversion, is then equivalent to digital module at this time
Main intermediate-freuqncy signal is only exported, remote termination only passes through RF receiving and transmission module and the corresponding main radiofrequency signal of main intermediate-freuqncy signal is sent to end
End equipment;And in main Microwave transceiver unit failure, the available warning information to main Microwave transceiver unit of digital module, so
It is 0 that the digital gain in main downgoing baseband signal digital-to-analogue conversion can be set afterwards, and will be from downgoing baseband signal digital-to-analogue conversion
Digital gain be 1, then be equivalent to digital module at this time and only export from intermediate-freuqncy signal, remote termination only passes through RF receiving and transmission module will
Terminal device is sent to from radiofrequency signal from intermediate-freuqncy signal is corresponding.Certainly, in the present embodiment, illustratively, in normal work
When making, it is 1 that the digital gain in main downgoing baseband signal digital-to-analogue conversion, which also can be set, in above-mentioned digital module, will be from downgoing baseband
Digital gain in signal digital-to-analogue conversion is 1, and any when breaking down in Microwave transceiver unit master and slave in this way, communication equipment is still
It can work normally.Therefore, the module level switching backup to the Microwave transceiver unit of remote termination may be implemented in the present embodiment, improves
The robustness of the repeater of the near-end machine and remote termination that are connected by microwave reduces maintenance cost.
In another case, when communication party is the remote termination of repeater, communication equipment is the near-end machine of repeater.It should
Near-end machine can receive the microwave signal that remote termination is sent by the microwave antenna in microwave transceiver module, by microwave combiner
After device, be divided at least main microwave signal and from this two way microwave signals of microwave signal, respectively enter main Microwave transceiver unit and from
Microwave transceiver unit, transformation is for main framing signal and from a group frame signal after Digital Microwave conversion process, then respectively enters number
Module, the digital module can carry out frame decoding processing to the main group of frame signal and from group frame signal respectively, obtain main uplink baseband
Signal and from uplink baseband signal, and obtain after digital-to-analogue conversion main intermediate-freuqncy signal and from intermediate-freuqncy signal, be transmitted further to frequency conversion
Module, transformation is transmitted to combiner device and synthesizes one for main radiofrequency signal and from radiofrequency signal after frequency-variable module Frequency mixing processing
The radiofrequency signal is sent to base station by RF receiving and transmission module by road radiofrequency signal.
Therefore, illustratively, the microwave signal that near-end machine receives remote termination is divided into main microwave through microwave combiner device and believes
Number and it is identical from the data content in microwave signal, this two paths of signals, each other module level switching backup;Similarly, by above-mentioned master
Microwave signal and from Your Majesty's row baseband signal that microwave signal is handled respectively and from the data content in uplink baseband signal
It is identical, the backup of module level switching each other;Therefore in normal work, digital module can be set Your Majesty's row baseband signal digital-to-analogue and turn
Digital gain in changing is 1, is 0 from the digital gain in uplink baseband signal digital-to-analogue conversion, is then equivalent to digital module at this time
Main intermediate-freuqncy signal is only exported, near-end machine only passes through RF receiving and transmission module and the corresponding main radiofrequency signal of main intermediate-freuqncy signal is sent to base
It stands;And in main Microwave transceiver unit failure, then the available warning information to main Microwave transceiver unit of digital module may be used
With the digital gain that is arranged in Your Majesty's row baseband signal digital-to-analogue conversion for 0, and will be from the number in uplink baseband signal digital-to-analogue conversion
Word gain is 1, then is equivalent to digital module at this time and only exports from intermediate-freuqncy signal, near-end machine only passes through RF receiving and transmission module will therefrom
Frequency signal is corresponding to be sent to base station from radiofrequency signal.Certainly, in the present embodiment, illustratively, in normal work, above-mentioned
It is 1 that the digital gain in main downgoing baseband signal digital-to-analogue conversion, which also can be set, in digital module, will be from downgoing baseband signal digital-to-analogue
Digital gain in converting is 1, and any when breaking down in Microwave transceiver unit master and slave in this way, communication equipment still can be normal
Work.Therefore, the module level switching backup to the Microwave transceiver unit of near-end machine may be implemented in the present embodiment, and raising passes through microwave
The robustness of the repeater of the near-end machine and remote termination of connection reduces maintenance cost.
To sum up, above-mentioned communication equipment can be used as the remote termination in repeater and carry out downlink transfer, may be implemented to distal end
The module level of the Microwave transceiver unit of machine switches backup;Or uplink, Ke Yishi are carried out as the near-end machine in repeater
Backup now is switched to the module level of the Microwave transceiver unit of near-end machine;Improve the near-end machine and remote termination connected by microwave
The robustness of repeater, reduces maintenance cost.
In one embodiment, referring to shown in Fig. 3, a kind of communication equipment of near-end machine as repeater is shown, is led to
The redundancy backup to function element each in communication equipment is crossed, the module level switching backup of each function element may be implemented, with into one
Step improves the robustness of communication equipment.Communication equipment compared with above-mentioned Fig. 2, on the basis of above-mentioned Fig. 2, as near-end machine
In, digital module 23 may include: main digital module 241 interconnected and from digital module 242;Main digital module can be with
Main Microwave transceiver unit connection, can connect from digital module with from Microwave transceiver unit.Optionally, main digital module and from number
Word modules can be connected by optical fiber or cable etc., can the backup of module level switching each other.Optionally, main digital module can be with
It can also include at least one from fiber optic protocols interface from digital module including at least one main fiber protocol interface;The key light
Fine protocol interface can the backup of module level switching each other from fiber optic protocols interface with this.It, can be with i.e. on the basis of microwave transmission
It realizes the optical fiber transmission between near-end machine and remote termination, improves the robustness that data are transmitted between near-end machine and remote termination;Together
When, main fiber protocol interface and from fiber optic protocols interface can each other module level switching backup, further improve robustness.It can
Selection of land, the main digital module can also include that main fiber cascades processing unit, can also should include from optical fiber grade from digital module
Join processing unit, can the backup of module level switching each other, set or next for being communicated with the cascade upper level of the communication equipment
Signal transmission between grade communication equipment, realizes the cascade between communication equipment.Optionally, RF receiving and transmission module 21 can wrap
Include: radio-frequency antenna and Transmit Receive Unit, the Transmit Receive Unit may include main amplifier and (do not mark in Fig. 3 from amplifier
Show, it is seen that Fig. 4);The main amplifier and from amplifier can each other module level switching backup.Optionally, frequency-variable module 23 can be with
Including main converter unit and from converter unit, main converter unit is connected with main digital module, from converter unit and from digital module
Connection;The main converter unit and from converter unit can each other module level switching backup.
Similarly, which can also include at least one data-interface 30, and main digital module 241 can also include
Ethernet processing unit is connect with data-interface.The communication equipment can also include interface card 26, monitoring unit 31, power supply 32,
Power supply 32 may include power supply unit 1 and power supply unit 2;Interface card can be micro- with main digital module, from digital module, master respectively
Wave Transmit-Receive Unit, from Microwave transceiver unit, main converter unit, from converter unit, main amplifier, from amplifier, power supply unit 1,
Power supply unit 2, monitoring unit connection;Wherein, monitoring unit can send detection information to each function element by interface card, obtain
Each function element feedback information even warning information, warning information can be fed back to main digital module and from digital mould
Block;Power supply unit 1 and power supply unit 2 can be powered by interface card to each function element, and pass through equal Flow Technique, mean allocation
System power supply power automatically switches to another single power supply unit power supply, realizes power supply when the damage of any one power supply unit
Module level switch backup.
In addition, the communication equipment may include 1~N multi-channel rf communication link, can wrap per radio frequency communication link all the way
Include RF receiving and transmission module 21, combiner device 22 and frequency-variable module 23;It is corresponding, each radio-frequency antenna in each RF receiving and transmission module 21
Working frequency range it is different, the radiofrequency signal of different frequency range can be received and dispatched, it can receive different systems that different base station sends, no
With the radiofrequency signal of frequency range, the radio frequency of different systems, different frequency range that the different terminals that remote termination can also be forwarded are sent is believed
Number it is sent to base station, can be mimo antenna (multiple-input, multiple-output, Multiple-Input Multiple-Output), may be implemented
The MIMO of near-end machine can make full use of space resources, in the case where not increasing frequency spectrum resource and antenna transmission power, Ke Yicheng
Raising system channel capacity again improves communication quality.
Referring to shown in Fig. 4, a kind of communication equipment of remote termination as repeater is shown.Referring to it is above-mentioned for Fig. 3 and
The description of the difference of Fig. 2, which is not described herein again.
Referring to shown in Fig. 3, the difference is that when the communication equipment is as near-end machine, which can also include
At least base-station interface 27 of light connects and light combiner device 28 all the way, and/or at least base stations couple device 29 all the way;Main digital module
241 include at least one master base station protocol interface, includes at least one from base station protocol interface, light division from digital module 242
Road device 28 connects with master base station protocol interface and from base station protocol interface light connects, base stations couple device 29 and combiner device 22 respectively
It connects.
Referring to shown in Fig. 4, the difference is that when the communication equipment is as remote termination, the combiner device of the communication equipment
22 may include downlink combiner device and uplink combiner device, which is used for will be under the transmission of main converter unit
The slave radiofrequency signal of capable main radiofrequency signal and the downlink transmitted from converter unit synthesizes the radiofrequency signal of downlink all the way, and passes
Transport to RF receiving and transmission module;The uplink combiner device is for the radiofrequency signal for the uplink transmitted from RF receiving and transmission module to be divided into
The radiofrequency signal of the slave radiofrequency signal two-way uplink of capable main radiofrequency signal and uplink, and be transmitted separately to main converter unit and from
Converter unit.In addition, the radio-frequency antenna in the RF receiving and transmission module equally can be mimo antenna, or leakage cable;Radio frequency
Transmit-Receive Unit may include multiplexing combiner and radio frequency link interconnected, and radio frequency link includes radio frequency downlink and radio frequency
Uplink, radio frequency downlink may include sequentially connected preceding electric bridge, amplifier unit and rear electric bridge according to down direction,
Amplifier unit may include main amplifier and from amplifier.
It is understood that communication equipment shown in Fig. 3 and communication equipment shown in Fig. 4 can directly be put respectively as one
The interaction between base station and terminal device may be implemented in the near-end machine and remote termination stood, the repeater, and interactive process can be such that
Step 1: near-end machine receives the downlink signal from base station, wherein the downlink signal into near-end machine may be from
Below three aspect:
(1) the direct radiofrequency signal that is coupled by base stations couple device, in the follow-up process, which can be through
Enter master and slave converter unit after combiner device, master and slave two-way radiofrequency signal is changed into master and slave two after frequency-variable module is handled
Road intermediate-freuqncy signal;The scene being closer suitable for base station and near-end machine;
(2) radiofrequency signal received by radio-frequency antenna and Transmit Receive Unit, in the follow-up process, the radiofrequency signal
Enter master and slave converter unit after combiner device, is changed into master and slave two-way radiofrequency signal after frequency-variable module is handled relatively dry
Net master and slave two-way intermediate-freuqncy signal;Farther out suitable for base station and near-end machine distance, but signal-to-noise ratio guarantees that radiofrequency signal is stablized enough and passes
Defeated scene;
(3) optical signal received by base-station interface, in the follow-up process, by light combiner device it is latter be divided into it is more
Road respectively enters master and slave digital module, converts optical signals to digital letter by the digital optical module in principal and subordinate's digital module
Number, it realizes the communication of digital processing element and base station, after parsing, obtains downgoing baseband signal;Suitable for base station and near-end machine
Distance farther out, and can be laid with the scene of optical fiber.
When specific implementation, base stations couple device 1 ... N can couple the coupler of grades using 20dB/40dB or other differences,
N is related with base station type for base-station interface 1 ..., and different types of base station, base-station interface will be different, corresponding master and slave base station
Protocol interface 1 ... N is also corresponding to be changed, such as GSM (Global System for Mobile under second generation mobile communication scene
Communication, global system for mobile communications base station is with LTE (Long Term under forth generation mobile communication scene
Evolution, long term evolution) sample rate of base station is different, and base station protocol interface is therefore different;Wherein transmission medium can be with
It is optical fiber etc..Radio-frequency antenna 1 ... N can be needed according to real work scene and be selected, and Transmit Receive Unit can be according to system
Depending on working frequency.
Step 2: at least master and slave two paths of signals is divided by combiner device to above-mentioned radiofrequency signal.Illustratively, radio frequency is believed
Number pass through combiner device, radiofrequency signal all the way can be divided into the radiofrequency signal of two-way constant power.When specific implementation, combiner device
It can be realized using two power splitters or using 3dB electric bridge.
Step 3: above-mentioned two-way radiofrequency signal respectively enters main converter unit and from converter unit, filters by internal duplexer
After wave and frequency conversion, become master and slave two-way intermediate-freuqncy signal respectively, filter out its Image interference by filters internal, to export ratio
Purer master and slave two-way intermediate-freuqncy signal.When specific implementation, filter can be set using L (inductance), C (capacitor) discrete devices
Meter is designed using dedicated integrated device, and IF frequency can be actually needed according to system and adjust, illustratively, IF frequency
High intermediate frequency can be 204.32MHz, Low Medium Frequency can be 81.44MHz, but be not limited to the frequency.
Step 4: above-mentioned master and slave two-way intermediate-freuqncy signal respectively enters main digital module and from number after interface board is transferred
Word modules, the theory based on software radio, master and slave digital module can pass through A/D (analog/digital conversion) device to wherein respectively
Frequency signal becomes digital signal according to certain sample rate.When specific implementation, A/D device can be selected double channel A/D device or
Single channel A/D device, sample rate can be adjusted according to IF frequency and bandwidth relationship, and sample rate can be in the present embodiment
245.76MSPS (sample per second, sampling number per second are the units of sampling rate when measuring analog-to-digital conversion), but
It is not limited to the sample rate.
Step 5: the digital signal of main digital module and the signal from data-interface are extensive after Ethernet processing unit
Multiple digital signal merges and carries out CPRI (Common Public Radio Interface, common public radio interface) group
Frame becomes high speed serialization baseband signal, is issued by main Microwave transceiver unit, microwave combiner device by microwave antenna, Huo Zhejing
Become optical signal after the digital optical module conversion of main digital module to issue through main fiber.From digital module operation and main digital module
Processing it is similar, can by the high speed serialization baseband signal linked with main digital module, can by from microwave receive
Bill member, microwave combiner device are issued by microwave antenna, or through becoming light letter after the conversion of the digital optical module of digital module
Number through being issued from optical fiber.When specific implementation, the signal rate from data-interface can be 10M, 100M or 1000M, and
Signal can be signal of communication such as WIFI (Wireless-Fidelity, Wireless Fidelity) data, video data etc..CPRI group
Frame data rate can adjust according to actual needs, can be 10Gbps, but be not limited to the rate;It can be adopted when specific framing
With special chip or field programmable logic device (FPGA) or DSP (Digital Signal Processing, number
Signal processor) it realizes.In addition, the digital signal in master and slave digital module can be times of three aspects in step 1
Anticipate one side signal either wherein any combination and come signal.
Step 6: when using microwave transmission between near-end machine and remote termination, near-end machine backup setting scheme can be with are as follows:
(1) when main Microwave transceiver unit alerts, main digital module digital signal gain zero setting, cutting link, while from
Digital module digital signal gain sets 1, and main digital module receives the digital signal from digital module, and framing by interconnection optical fiber
Transmitting extremely (may include device fault information, transmission link information from Microwave transceiver unit, while by near-end machine working condition
Deng) it is transmitted to remote termination;
(2) when master base station protocol interface alerts, main digital module digital signal gain zero setting, while increasing from digital module
Benefit sets 1, and framing exports to from Microwave transceiver unit, while by near-end machine working condition and is transmitted to remote termination;
(3) when the alarm of the clock losing lock of main digital module, main digital module digital signal gain zero setting, from digital module
Digital signal gain is set as 1, and output is extremely transmitted to far from Microwave transceiver unit, while by near-end machine working condition after framing
Terminal;
(4) when main digital module alerts, but the alarm of unconditional 2 and condition 3, main digital module digital signal gain are set
Zero, it is set as 1 from digital module digital signal gain, main digital module is transferred to by interconnecting optical fiber, exports after framing to master
Microwave transceiver unit, and simultaneous transmission machine proximal end working condition is to remote termination;
(5) when main converter unit alerts, link is cut off in main digital module digital signal gain zero setting, while from number
Module digital signal gain sets 1, and main digital module receives the digital signal from digital module by interconnection optical fiber, and framing emits
To main Microwave transceiver unit;
(6) if without above-mentioned alarm, it is set as 0 from digital module digital signal gain, main digital module digital signal gain
It is set as 1, and near-end machine working condition is transmitted together and issued to main Microwave transceiver unit by output after framing.
When between near-end machine and remote termination also using optical fiber transmission when, near-end machine backup setting scheme can be with are as follows:
(1) when main converter unit alerts, link is cut off in main digital module digital signal gain zero setting, while from number
Module digital signal gain sets 1, and main digital module receives the digital signal from digital module by interconnection optical fiber, and framing emits
To main fiber link, while near-end machine working condition is transmitted to remote termination;Wherein, main fiber link includes that main fiber agreement connects
Mouth and main fiber (referring to the optical fiber connecting in Fig. 3 with main fiber protocol interface), include from fiber optic protocols interface from optical fiber link
With from optical fiber (referring to the optical fiber being connect in Fig. 3 with from fiber optic protocols interface);
(2) when main fiber link/master base station protocol interface alarm, main digital module digital signal gain zero setting, simultaneously
1 is set from digital module gain, and framing exports to from optical fiber link, while by near-end machine working condition and is transmitted to remote termination;
(3) when the alarm of the clock losing lock of main digital module, main digital module digital signal gain zero setting, from digital module
Digital signal gain is set as 1, and output is transmitted to distally to from optical fiber link, while by near-end machine working condition after framing
Machine;
(4) when main digital module alerts, but the alarm of unconditional 2 and condition 3, main digital module digital signal gain are set
Zero, it is set as 1 from digital module digital signal gain, main digital module is transferred to by interconnecting optical fiber, exports after framing to master
Optical fiber link, and simultaneous transmission machine proximal end working condition is to remote termination;
(5) if without above-mentioned alarm, it is set as 0 from digital module digital signal gain, main digital module digital signal gain
It is set as 1, and near-end machine working condition is transmitted together and issued to main fiber link by output after framing.
Certainly, it can be transmitted between above-mentioned near-end machine and remote termination with optical fiber, microwave transmission can also be used, it can mould each other
The switching backup of block grade, which is not described herein again.Above-mentioned handover scheme can support module grade switching, near-end machine can also use principal and subordinate
Link works at the same time, such as main digital module digital signal gain is 1, is arranged from digital module digital signal gain while being 1,
When a certain module occurs abnormal, near-end machine still be can work normally, it is only necessary to provide warning information for existing by monitoring unit etc.
Field maintenance use, no longer execution switching action.
Step 7: after backup setting, the fiber-optic signal or microwave signal that proximally machine transmits, by long-distance optical fiber
To the fiber optic protocols interface or microwave antenna of remote termination after transmission or microwave transmission;When specific implementation the distance can for 5km,
10km, 20km etc..Can be 20km in the present embodiment, but be not limited to the milimeter number, wherein microwave frequency band can choose 3GHz with
On any frequency range, for example, by using 60GHz frequency range.
Step 8: above-mentioned fiber-optic signal enters the master and slave digital module of remote termination by master and slave fiber optic protocols interface.By
After CPRI frame decoding, main digital module obtains baseband digital signal and Ethernet data transparent transmission signal, has to base from digital module
Band digital signal;Ethernet data transparent transmission signal is transmitted to other data after Ethernet processing unit, by data-interface
Terminal.And master and slave road baseband digital signal a part enters the master and slave remote termination of the same level and is handled, and obtains master and slave road intermediate frequency
Signal, another part can cascade processing unit by remote termination optical fiber and send to next stage remote termination, realize the intercaste of remote termination
Connection.When specific implementation, the signal rate for being transmitted to data-interface can be 10M, 100M or 1000M, and signal can be
Signal of communication such as WIFI data, video data etc..The R21 ... R2N of fiber optic protocols interface 1 ... N and optical fiber cascade processing unit
Interface, the quantity of use can be 2 in the present embodiment, but be not limited to the number depending on concrete application scene.
Step 9: remote termination obtains the mode of baseband digital signal in addition to proximally machine optical fiber transmits the signal of coming in step 8
Outside, it can also be obtained from remote termination microwave antenna.After detailed process is remote termination microwave antenna receive microwave signal, by microwave
Combiner device is divided into two, and handles to obtain the master and slave two-way radiofrequency signal of relative clean by master and slave Microwave transceiver unit, i.e.,
Master and slave two-way group frame signal.The Microwave transceiver unit includes duplexer, uplink and downlink amplification and frequency conversion section;When specific implementation, far
Terminal microwave antenna can be needed according to real work scene and select, and duplexer, uplink and downlink are amplified and frequency conversion section is according to being
Depending on working frequency of uniting, frequency conversion section mainly realizes that radiofrequency signal becomes intermediate-freuqncy signal, and high intermediate frequency can use in the present embodiment
204.32MHz, Low Medium Frequency can use 81.44MHZ, but be not limited to the combination of frequency.
Step 10: above-mentioned master and slave two-way intermediate-freuqncy signal respectively enters master and slave digital module, the reason based on software radio
By the signal is become digital letter by A/D device according to certain sample rate to the intermediate-freuqncy signal respectively by master and slave digital module
Number.When specific implementation, double channel A/D device is can be selected in A/D device or single channel A/D device, sample rate can be according to intermediate frequencies
Frequency and bandwidth relationship and adjust, sample rate can be 245.76MSPS in the present embodiment, but be not limited to the sample rate.
Step 11: the backup setting process of the master and slave digital signal link in step 8 to step 10 is as follows.
Wherein, when microwave transmission, master and slave digital signal link handles handover scheme are as follows:
(1) when main Microwave transceiver unit alerts, main digital module digital signal gain zero setting, while from digital module number
Word signal gain sets 1, receives from digital module from Microwave transceiver unit signal, forwards the data to main number by interconnecting optical fiber
Module, subsequent transmission to main converter unit;
(2) when the alarm of the clock losing lock of main digital module, link is cut off in main digital module digital signal gain zero setting,
1 is set from digital module digital signal gain simultaneously, is received from digital module from Microwave transceiver unit signal, subsequent transmission is extremely from change
Frequency unit;
(3) when main digital module alerts, but unconditional 2 alerts, main digital module digital signal gain zero setting, while from
Digital module digital signal gain sets 1, and main digital module receives main microwave treatment unit signal, through interconnection optical fiber be transferred to from
Digital module, subsequent transmission is extremely from converter unit;
(4) if without above-mentioned alarm, but other alarms, main digital module digital signal gain sets 1, while from digital module
Digital signal gain sets 0, all by main digital signal antenna efficiency;
(5) above-mentioned switching completion is both needed to determine proximal end working condition in advance, or the machine working condition is uploaded to proximal end,
Avoid far and near end working condition is inconsistent from causing link that can not establish.
Wherein, when optical fiber transmits, master and slave digital signal link handover scheme are as follows:
(1) when main converter unit alerts, main digital module digital signal gain zero setting, while believing from digital module number
Number gain sets 1, and main digital module receives main fiber link signal, is sent after interconnecting optical fiber to from digital module, and send to from change
Frequency unit;
(2) when key light chain circuit alarming, main digital module digital signal gain zero setting, while from digital module digital signal
Gain sets 1, receives the signal come since optical fiber link, and send to from converter unit;
(3) when the alarm of the master clock losing lock of main digital module, main digital module digital signal gain zero setting, while from number
Word modules digital signal gain sets 1, receives the signal come since optical fiber link, and send to from converter unit;
(4) when main digital module alerts, but the alarm of unconditional 2 and condition 3, main digital module digital signal gain are set
Zero, while 1 is set from digital module digital signal gain, main digital module receives the signal from main fiber link, by interconnection
Optical fiber is transferred to from digital module, and is sent to from converter unit;
(5) if without above-mentioned alarm, it is set as 0 from digital module digital signal gain, main digital module digital signal gain
It is set as 1, all by main digital signal antenna efficiency;
(6) above-mentioned switching completion is both needed to determine proximal end working condition in advance, or the machine working condition is uploaded to proximal end,
Avoid far and near end working condition is inconsistent from causing link that can not establish.
Step 12: after backup setting, main digital signal and being counted respectively via master and slave digital module from digital signal
Become intermediate-freuqncy signal after mould conversion, into master and slave converter unit, reverts to master and slave radiofrequency signal.When specific implementation, the intermediate frequency
Frequency is actually needed according to system and is set, and high intermediate frequency can be set to 154.32MHz in the present embodiment, Low Medium Frequency can be set
For 138.24MHz, but be not limited to frequency collocation, in addition, when practical application, can according to the size of radiofrequency signal bandwidth,
Wherein certain is all the way or multichannel is by the radiofrequency signal process combining of converter unit, is lowered into the radio frequency signal channels of next stage
Number, to carry more multiband.
Step 13: above-mentioned main radiofrequency signal and from radiofrequency signal become synthesizing all the way after lower combiner device after radio frequency
Signal.When specific implementation, main radiofrequency signal and from radiofrequency signal both can same frequency can also be different frequency, lower combiner device
It can be realized, can also be realized using 3dB electric bridge using two power splitters.
Step 14: it is equal that the radiofrequency signal after synthesis becomes two-way power after preceding electric bridge (electric bridge 11 in such as Fig. 4),
The radiofrequency signal that 90 DEG C of phase phase difference, respectively after main amplifier and from booster output amplification, through electric bridge (such as Fig. 4 later
In electric bridge 12) combining after, the radiofrequency signal after becoming power amplification all the way.When specific implementation, main amplifier and from amplifier
The effect of power linear amplification is primarily served, it can be using A/AB class power amplifier or Doherty (Ireland) power amplifier or DPD
MCPA (digital pre-distortion multi-carrier power amplifier)/APD MCPA (analog predistortion multi-carrier power amplifier)/FF MCPA (feedforward multicarrier
Power amplifier) etc., but it is not limited to the power amplifier of these technologies.It simultaneously can be according to the radiofrequency signal spacing after converter unit
Size, using the input of uplink and downlink amplifier section Linear Amplifer all the way or multi-channel rf signal.Preceding electric bridge or rear electric bridge
It can be realized using 3dB electric bridge, but be not limited to this kind of device.
Step 15: pass through the amplified radiofrequency signal of power amplifier linearity, according to whether there are MIMO channel characteristics,
Signal is respectively fed to each multiplexing combiner, after the filtering of multiplexing combiner, filters out inter-modulated signal and other interference signals, by
Antenna or leakage cable (belonging to a kind of particular antenna, be suitable for the small spaces such as tunnel) are launched, and achieve the purpose that signal covers.Tool
When body is realized, multiplexing combiner is realized using cavity filtering, but is not limited to using this technology, in addition, in order to reach TDD
The combining of (Time Division Duplexing, time division duplex) signal, wherein there may be the filtering of one or more single channels
Device.
Step 16: above step 1-15 completes the entire mistake that downlink radio-frequency signal is accessed to remote termination output by near-end machine
Journey, and for uplink signal, it is after receiving upstream radio-frequency signal from remote termination antenna or leakage cable, by similar to step 1-15's
Process completes whole process of the uplink signal from remote termination to near-end machine, and which is not described herein again, but the protection of technical solution is same
Effectively.
It is understood that above-mentioned each module level switches backup handover scheme, substantially as far as possible using in primary link
Each function of tonic chord device transmit signal, can in the function of tonic chord device of certain in primary link but it should be recognized that in the present embodiment
It is all or part of to transmit signal using from the slave function element in link after part failure.
In addition, illustrating far and near end working condition transmission mechanism by taking down direction as an example.It is with fixation in data transmission procedure
Data frame structure transmitted, the domain I/Q (with transmit two phase components of data indicate transmission data), monitoring data domain
There is its corresponding mapping position in (being used for transmission working condition), network interface data domain etc., and a fixed number is opened up from monitoring data domain
It is used for transmission working condition according to position, and the emission process of near-end machine exactly merges operating state data with monitoring data,
And it is sent to the process of remote termination;And the receive process of remote termination are as follows: the frame header position of data frame is recovered from reception data,
Corresponding I/Q data, monitoring data, network interface data etc. further are extracted from corresponding position, then further from monitoring data
The working condition of near-end machine is decomposited in domain, for the use of the machine handover mechanism.Up direction data flow be it is distal-to-proximal,
Therefore its process is the inverse process of down direction, and details are not described herein again.
To sum up, above-mentioned communication equipment can be used as the remote termination in repeater, can also be used as the near-end machine in repeater,
The module level switching backup of each function element in near-end machine or remote termination may be implemented;Improve the near-end machine connected by microwave
With the robustness of the repeater of remote termination, maintenance cost is reduced.
It should also be noted that, above-mentioned steps 8 and step 10 in remote termination digital signal, can according to actual needs or
Communication environment chooses the signal or remote termination microwave antenna received signal of near-end machine optical fiber transmission.Near-end machine and distal end
The modules of machine have redundancy backup ability, can support warm connection function.When near-end machine and remote termination using microwave antenna into
When row transmission, need to guarantee that near-end machine in CPRI framing, is inserted into synchronization signal (for restoring data), and in remote termination CPRI
When frame decoding, synchronization signal is recovered, to guarantee synchronous between near and remote machine.In addition, referring to Figure 5, in the base of above-mentioned Fig. 4
On plinth, electric bridge I2, I4, N2, N4 etc. can change switch into and realize backup functionality in remote termination, only change uplink and downlink letter
The switch mode of number amplifier, substantially without departing from backup concepts of the invention;Digital module (close, distal end) can also use one
To substitute main digital module and from the separative unit design scheme of digital module, this is also only cutting for digital module for bodyization design
Thinking adjustment is changed, substantially without departing from backup theory of the invention, or any one combination collocation is used also to belong to this
The protection scope of invention.Digital module in the communication equipment of the present embodiment is also equipped with extension optical port, therefore corresponding near-end machine
Can cascade the near-end machine of upper level or the near-end machine of next stage, corresponding remote termination can also cascade upper level remote termination or
The remote termination of next stage expands the coverage area of repeater.
In one embodiment, a kind of repeater, including near-end machine and remote termination are provided, near-end machine and remote termination can be with
For above-mentioned communication equipment.In the repeater, near-end machine can be connected with remote termination by microwave, pass through the mould of each function element
The switching backup of block grade may be implemented the module level switching backup of each function element, improve the robustness of repeater, reduce dimension
Protect cost.
Shown in referring to figure 6 and figure 7, the present embodiment can also use the group that internal optical fiber interconnects and external fiber is cross interconnected
Web form and the mode of microwave interconnecting and internal optical fiber interconnection, realize the module level of cascade each remote termination and near-end machine
Backup.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, 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 concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of communication equipment characterized by comprising
Sequentially connected RF receiving and transmission module, combiner device, frequency-variable module, digital module and microwave transceiver module;The microwave
Transceiver module includes sequentially connected Microwave transceiver unit, microwave combiner device and microwave antenna, the Microwave transceiver unit packet
Include main Microwave transceiver unit and from Microwave transceiver unit;
The radio signal transmission received from communication party to the combiner device is formed main radio frequency letter by the RF receiving and transmission module
Number and after radiofrequency signal, be transmitted separately to the frequency-variable module, be main intermediate-freuqncy signal and therefrom through the frequency-variable module frequency conversion
It after frequency signal, is transmitted separately to the digital module and carries out framing processing, obtain main group of frame signal and from a group frame signal, the master
Microwave transceiver unit and it is described from Microwave transceiver unit by the main group of frame signal and it is described from group frame signal via the microwave
Combiner device is issued from the microwave antenna;Wherein, the main radiofrequency signal is identical with from the data content in radiofrequency signal.
2. communication equipment according to claim 1, which is characterized in that when the communication party is base station, the communication is set
Standby is the near-end machine of repeater;When the communication party is terminal device, the communication equipment is the remote termination of repeater.
3. communication equipment according to claim 1, which is characterized in that the microwave antenna is also used to receive from communication party
The microwave signal transmission arrived forms main microwave signal and from microwave signal to the microwave combiner device, micro- through the master respectively
It wave Transmit-Receive Unit and converts from Microwave transceiver unit into main framing signal and after group frame signal, is transmitted separately to the digital mould
Block carries out frame decoding processing, obtains main intermediate-freuqncy signal and from intermediate-freuqncy signal, the frequency-variable module is by the main intermediate-freuqncy signal and therefrom
Frequency signal frequency conversion is transmitted to the combiner device and forms radiofrequency signal, the radio frequency for main radiofrequency signal and after radiofrequency signal
Transceiver module issues the radiofrequency signal;Wherein, the main microwave signal is identical with from the data content in microwave signal.
4. communication equipment according to claim 3, which is characterized in that when the communication party is the near-end machine of repeater,
The communication equipment is the remote termination of repeater;When the communication party is the remote termination of repeater, the communication equipment is straight
Put the near-end machine at station.
5. communication equipment described in any one of -4 according to claim 1, which is characterized in that the digital module includes: mutual
The main digital module of connection and from digital module;The main digital module is connected with the main Microwave transceiver unit, described from number
Word modules are connected with described from Microwave transceiver unit.
6. communication equipment according to claim 5, which is characterized in that when the near-end machine that the communication equipment is repeater
When, the communication equipment further includes at least base-station interface of light connects and light combiner device all the way, and/or at least base station coupling all the way
Clutch;The main digital module includes at least one master base station protocol interface, it is described from digital module include at least one from base
Stand protocol interface, the smooth combiner device respectively with the master base station protocol interface and described from base station protocol interface light connects,
The base stations couple device is connect with the combiner device.
7. communication equipment according to claim 5, which is characterized in that the RF receiving and transmission module include: radio-frequency antenna and
Transmit Receive Unit, the Transmit Receive Unit include main amplifier and from amplifier.
8. communication equipment according to claim 5, which is characterized in that the frequency-variable module includes main converter unit and from change
Frequency unit, the main converter unit are connected with the main digital module, described to be connected from converter unit with described from digital module.
9. communication equipment according to claim 5, which is characterized in that the main digital module further includes at least one key light
Fine protocol interface, it is described from digital module further include at least one from fiber optic protocols interface.
10. a kind of repeater, including near-end machine and remote termination, which is characterized in that the near-end machine and remote termination are such as benefit requires 1
To communication equipment described in any one of 9.
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CN112713939A (en) * | 2020-12-25 | 2021-04-27 | 中国联合网络通信集团有限公司 | Data transmission method and device |
CN114786250A (en) * | 2022-04-24 | 2022-07-22 | 中国电信股份有限公司 | Data signal transmission method and device, storage medium and electronic equipment |
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CN111010217A (en) * | 2019-12-18 | 2020-04-14 | 陕西天基通信科技有限责任公司 | Wireless repeater and method for realizing MIMO |
CN112600595B (en) * | 2020-12-09 | 2021-09-28 | 北京凯博无线科技有限公司 | Tunnel leaky-cable communication system |
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CN106454560A (en) * | 2016-07-05 | 2017-02-22 | 广州埃信电信设备有限公司 | Multi-business digital light distribution system and multi-business capacity scheduling method |
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CN112713939A (en) * | 2020-12-25 | 2021-04-27 | 中国联合网络通信集团有限公司 | Data transmission method and device |
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