CN205864429U - A kind of digital optical fiber remote multimedium transmits cladding system of registering one's residence - Google Patents
A kind of digital optical fiber remote multimedium transmits cladding system of registering one's residence Download PDFInfo
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- CN205864429U CN205864429U CN201620564929.1U CN201620564929U CN205864429U CN 205864429 U CN205864429 U CN 205864429U CN 201620564929 U CN201620564929 U CN 201620564929U CN 205864429 U CN205864429 U CN 205864429U
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Abstract
This utility model relates to a kind of digital optical fiber remote multimedium and transmits cladding system of registering one's residence.Including near-end unit, expanding element and far-end unit；The transmission of this digital optical fiber remote multimedium registers one's residence covering system by the near-end unit arranged, expanding element and far-end unit, there is higher integrated level, by mobile network signals (2G, 3G, 4G) register one's residence (OLT) at equipment by register one's residence (switch) and xPON signal at equipment of digital optical fiber remote to lan signal, original Drop cable or category-5 cable is utilized to carry out signal transmission after mobile network signals and WLAN signal and XPON signal conjunction road again, at the original data function not affecting original Drop cable and category-5 cable, realize the covering of registering one's residence of wireless speech and data simultaneously.The construction difficult problems such as it is long that this utility model overcomes the tradition indoor distributed system engineering time, property difficult coordination；Mobile network signals enters indoor by original Drop cable and category-5 cable and covers, and solves the difficult problems such as ping-pong and pilot pollution that internal home network signal exists, improve the perceptibility of user in the case of need not rewiring.
Description
Technical field
This utility model belongs to Wireless Telecom Equipment technical field, is specifically related to a kind of digital optical fiber remote multimedium transmission
Register one's residence cladding system.
Background technology
There is broadband signal in existing community, hotel, hotel, general use category-5 cable or optical fiber realize WLAN signal and
The realization of registering one's residence of xPON signal is registered one's residence covering；And the antenna of traditional room subsystem is all on house doorway, indoor terminal receiving chamber
The mobile network signals (2G, 3G, 4G) that subsystem sends, through too much wall body, signal attenuation is serious, cause indoor signal and its
The mobile network signals field intensity that his outdoor macro station is come is more or less the same, and produces ping-pong and pilot pollution, has a strong impact on user's
Perception.
Summary of the invention
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of digital optical fiber remote multimedium
Transmitting cladding system of registering one's residence, this system utilizes after mobile network signals (2G, 3G, 4G), WLAN signal and xPON signal are closed road
Three kinds of signals are simultaneously fed into indoor by original category-5 cable or optical fiber, it is achieved covering of registering one's residence, and compare room subsystem, damage without body of wall
Consumption, indoor coverage of signal is good, solves ping-pong and the pilot pollution of mobile network signals, improves the perception of user.
For achieving the above object, the technical solution of the utility model is: a kind of digital optical fiber remote multimedium transmission is registered one's residence
Cladding system, including near-end unit, expanding element and far-end unit；
Described near-end unit couples mobile network's downstream signal warp of base station or base station zoom out system in the downlink
First duplexer enters near-end down conversion module, and is that downstream analog intermediate-freuqncy signal is transmitted extremely by mobile network's downstream signal frequency conversion
Oneth ADC analog-to-digital conversion module enters near-end Digital IF processing unit, at base band after being converted to downstream digital intermediate-freuqncy signal
Reason, is converted to downstream digital optical signal transmission to described expanding element through the first digital light module after transfer rate conversion；Described
The up-link of near-end unit is that the first digital light module receives the upstream digital light transmitted from described expanding element from optical fiber
Signal enters near-end Digital IF processing unit after being converted to upstream digital intermediate-freuqncy signal, transmits to first after Base-Band Processing
After upstream digital intermediate-freuqncy signal is converted to up analog if signal by DAC D/A converter module, enter near-end up-converter module
Up-convert to mobile network's upward signal and send back to base station or base station zoom out system；
Described expanding element is that the second digital light module is received from described near-end unit biography by optical fiber at downlink
The downstream digital optical signal come is converted to downstream digital intermediate-freuqncy signal and enters expanding digital IF processing unit, expanding digital intermediate frequency
WLAN signal that downstream digital intermediate-freuqncy signal is transmitted by processing unit respectively with switch and the xPON signal that OLT transmits close
Road, the WLAN signal that wherein downstream digital intermediate-freuqncy signal and switch transmit is transferred to institute by the first Ethernet interface through category-5 cable
Stating far-end unit, the xPON signal that downstream digital intermediate-freuqncy signal and OLT transmit enters the 3rd digital light module after carrying out closing road and turns
It is changed to downstream digital optical signal, through fiber-optic transfer to described far-end unit；The up-link of described expanding element is the 3rd numeral
Optical module receives, from optical fiber, the upstream digital optical signal transmitted from described far-end unit and the first Ethernet interface passes through category-5 cable
Receive the digital uplink signal transmitted from described far-end unit and respectively enter expanding digital IF processing unit, through Base-Band Processing
After, it being reduced into mobile network's digital uplink signal, WLAN signal and xPON signal, mobile network's digital uplink signal is through the second number
Word optical module is converted into upstream digital optical signal and passes described near-end unit, WLAN signal and xPON signal back through optical fiber and pass back respectively
Switch and OLT；
Described far-end unit is that the 4th digital light module receives from optical fiber and transmits from described expanding element at downlink
Downstream digital optical signal and the second Ethernet interface received the downstream digital transmitted from described expanding element by category-5 cable and believe
Number respectively enter remote digital IF processing unit, after Base-Band Processing, be reduced into mobile network's downstream digital signal and WLAN
Signal or xPON signal, mobile network's downstream digital signal enters the 2nd DAC D/A converter module and is converted to downstream analog intermediate frequency
Signal entrance far-end up-converter module up-converts to mobile network's downstream signal entrance power amplifier low noise integrated module and carries out power
It is amplified into the second duplexer through retransmitting antenna, the area of coverage to be covered；WLAN signal or xPON signal return original respectively
Wireless router or light Modem；The up-link of described far-end unit is that retransmitting antenna receives mobile network's upward signal
Enter the power amplification integrated module of power amplifier low noise by the second duplexer, enter after low noise amplification and become under far-end down conversion module
Frequency enters the 2nd ADC analog-to-digital conversion module for up analog if signal and is converted to upstream digital intermediate-freuqncy signal entrance remote digital
IF processing unit, after Base-Band Processing, upstream digital intermediate-freuqncy signal and WLAN signal or xPON signal close behind road respectively through the
Four digital light modules are converted to upstream digital optical signal and pass described expanding element back by optical fiber and pass through through the second Ethernet interface
Category-5 cable passes extension end unit back.
In this utility model one embodiment, described near-end unit is by under first duplexer, near-end up-converter module, near-end
Frequency-variable module, a DAC D/A converter module, an ADC analog-to-digital conversion module, near-end Digital IF processing unit, the first number
Word optical module forms；At described first duplexer, near-end down conversion module, an ADC analog-to-digital conversion module, near-end digital intermediate frequency
Reason unit, the first digital light module are sequentially connected the downlink connecing composition near-end unit；Described first digital light module, near-end
Digital IF processing unit, a DAC D/A converter module, near-end up-converter module, first duplexer composition near-end unit
Up-link.
In this utility model one embodiment, described near-end Digital IF processing unit is by the first digital light module respectively
It is connected with multiple described expanding elements.
In this utility model one embodiment, described expanding element include expanding digital IF processing unit and with this extension
Second digital light module of Digital IF processing unit connection, the 3rd digital light module, the first Ethernet interface.
In this utility model one embodiment, described expanding digital IF processing unit have digital medium-frequency signal and
WLAN signal or xPON signal close road branch function.
In this utility model one embodiment, described extension IF digital process unit one end the second digital light module is led to
Crossing optical fiber to be connected with near-end unit, the other end is connected with far-end unit by optical fiber by the 3rd digital light module, or through ether
Network interface is connected with far-end unit by category-5 cable.
In this utility model one embodiment, described expanding digital IF processing unit is respectively by second, third numeral
Optical module is connected with near-end unit, expanding element.
In this utility model one embodiment, described far-end unit is by remote digital IF processing unit, the 2nd DAC digital-to-analogue
Modular converter, the 2nd ADC analog-to-digital conversion module, far-end up-converter module, far-end down conversion module, power amplifier low noise integration mould
Block, the second duplexer, the 4th digital light module, the second Ethernet interface composition；Described 4th digital light module or the second Ethernet
Mouth, remote digital IF processing unit, the 2nd DAC D/A converter module, far-end up-converter module, power amplifier low noise integration mould
Block, the second duplexer are sequentially connected and connect composition downlink；Under described second duplexer, power amplifier low noise integrated module, far-end
Frequency-variable module, the 2nd ADC analog-to-digital conversion module, remote digital IF processing unit, the 4th digital light module or the second Ethernet
Mouth is sequentially connected and connects composition up-link.
In this utility model one embodiment, described remote digital IF processing unit have digital medium-frequency signal and
WLAN signal or xPON signal close road branch function, wherein through three-ethernet mouth after digital medium-frequency signal and WLAN signal branch
Be connected with Modem by category-5 cable, after digital medium-frequency signal and xPON signal branch through the 5th digital light module by optical fiber and
Light Modem is connected；Digital medium-frequency signal and WLAN signal pass through category-5 cable and expanding element phase through the second Ethernet interface after closing road
Even, digital medium-frequency signal is closed with xPON signal and is connected with expanding element by optical fiber through the 4th digital light module behind road.
In this utility model one embodiment, described far-end IF digital process unit one end the 4th digital light module is led to
Cross optical fiber to be connected with expanding element, or be connected with expanding element by category-5 cable through the second Ethernet interface.
Compared to prior art, this utility model has the advantages that the digital fiber that this utility model provides draws
Remote multimedium transmission covering system of registering one's residence by the near-end unit, expanding element and the far-end unit that arrange, has higher integrated
Degree, is registered one's residence mobile network signals (2G, 3G, 4G) (switch) and xPON at equipment by digital optical fiber remote to lan signal
Signal is registered one's residence (OLT) at equipment, solves mobile network signals (2G, 3G, 4G) and lan signal and xPON signal not at same station
The problem of point, then utilize original Drop cable or category-5 cable after mobile network signals and WLAN signal and XPON signal conjunction road
Carry out signal transmission, solve again former by utilizing after mobile network signals (2G, 3G, 4G) and XPON signal or WLAN signal conjunction road
Some Drop cables and category-5 cable carry out signal transmission, in the original data merit not affecting original Drop cable and category-5 cable
Can, realize the covering of registering one's residence of mobile network signals (2G, 3G, 4G) and XPON signal or WLAN signal simultaneously, overcome conventional chamber
The construction difficult problems such as the interior compartment system engineering time is long, property difficult coordination；Mobile network signals by original Drop cable and
Category-5 cable enters indoor and covers, and compares room subsystem, is lost without body of wall, and indoor coverage of signal is good, thus solves indoor
The difficult problems such as the ping-pong of network signal existence and pilot pollution, improve the perceptibility of user.
Accompanying drawing explanation
Fig. 1 is that digital optical fiber remote multimedium transmits covering system theory diagram of registering one's residence.
Fig. 2 is that digital optical fiber remote multimedium transmits covering system near-end unit theory diagram of registering one's residence.
Fig. 3 is that digital optical fiber remote multimedium transmits covering system expanding element theory diagram of registering one's residence.
Fig. 4 is that digital optical fiber remote multimedium transmits covering system far-end unit theory diagram of registering one's residence.
Fig. 5 is that the transmission of digital optical fiber remote multimedium registers one's residence covering system near-end unit, expanding element and far-end unit even
Connect theory diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.
The cladding system as it is shown in figure 1, a kind of digital optical fiber remote multimedium transmission of the present utility model is registered one's residence, including near-end
Unit, expanding element and far-end unit；Described near-end unit couples the shifting of base station or base station zoom out system in the downlink
Dynamic network downstream signal enters near-end down conversion module through first duplexer, and is descending mould by mobile network's downstream signal frequency conversion
Intend entering at near-end digital intermediate frequency after intermediate-freuqncy signal transmission is converted to downstream digital intermediate-freuqncy signal to an ADC analog-to-digital conversion module
Reason unit, is converted to downstream digital optical signal transmission to institute through the first digital light module after Base-Band Processing, transfer rate conversion
State expanding element；The up-link of described near-end unit is that the first digital light module receives from optical fiber and passes from described expanding element
The upstream digital optical signal come enters near-end Digital IF processing unit, through Base-Band Processing after being converted to upstream digital intermediate-freuqncy signal
After upstream digital intermediate-freuqncy signal is converted to up analog if signal to a DAC D/A converter module by rear transmission, enter near
End up-converter module up-converts to mobile network's upward signal and sends back to base station or base station zoom out system；
Described expanding element is that the second digital light module is received from described near-end unit biography by optical fiber at downlink
The downstream digital optical signal come is converted to downstream digital intermediate-freuqncy signal and enters expanding digital IF processing unit, expanding digital intermediate frequency
WLAN signal that downstream digital intermediate-freuqncy signal is transmitted by processing unit respectively with switch and the xPON signal that OLT transmits close
Road, the WLAN signal that wherein downstream digital intermediate-freuqncy signal and switch transmit is transferred to institute by the first Ethernet interface through category-5 cable
Stating far-end unit, the xPON signal that downstream digital intermediate-freuqncy signal and OLT transmit enters the 3rd digital light module after carrying out closing road and turns
It is changed to downstream digital optical signal, through fiber-optic transfer to described far-end unit；The up-link of described expanding element is the 3rd numeral
Optical module receives, from optical fiber, the upstream digital optical signal transmitted from described far-end unit and the first Ethernet interface passes through category-5 cable
Receive the digital uplink signal transmitted from described far-end unit and respectively enter expanding digital IF processing unit, through Base-Band Processing
After, it being reduced into mobile network's digital uplink signal, WLAN signal and xPON signal, mobile network's digital uplink signal is through the second number
Word optical module is converted into upstream digital optical signal and passes described near-end unit, WLAN signal and xPON signal back through optical fiber and pass back respectively
Switch and OLT；
Described far-end unit is that the 4th digital light module receives from optical fiber and transmits from described expanding element at downlink
Downstream digital optical signal and the second Ethernet interface received the downstream digital transmitted from described expanding element by category-5 cable and believe
Number respectively enter remote digital IF processing unit, after Base-Band Processing, be reduced into mobile network's downstream digital signal and WLAN
Signal or xPON signal, mobile network's downstream digital signal enters the 2nd DAC D/A converter module and is converted to downstream analog intermediate frequency
Signal entrance far-end up-converter module up-converts to mobile network's downstream signal entrance power amplifier low noise integrated module and carries out power
It is amplified into the second duplexer through retransmitting antenna, the area of coverage to be covered；WLAN signal or xPON signal return original respectively
Wireless router or light Modem；The up-link of described far-end unit is that retransmitting antenna receives mobile network's upward signal
Enter the power amplification integrated module of power amplifier low noise by the second duplexer, enter after low noise amplification and become under far-end down conversion module
Frequency enters the 2nd ADC analog-to-digital conversion module for up analog if signal and is converted to upstream digital intermediate-freuqncy signal entrance remote digital
IF processing unit, after Base-Band Processing, upstream digital intermediate-freuqncy signal and WLAN signal or xPON signal close behind road respectively through the
Four digital light modules are converted to upstream digital optical signal and pass described expanding element back by optical fiber and pass through through the second Ethernet interface
Category-5 cable passes extension end unit back.
As in figure 2 it is shown, described near-end unit by first duplexer, near-end up-converter module, near-end down conversion module, first
DAC D/A converter module, an ADC analog-to-digital conversion module, near-end Digital IF processing unit, the first digital light module composition；
Described first duplexer, near-end down conversion module, an ADC analog-to-digital conversion module, near-end Digital IF processing unit, the first number
Word optical module is sequentially connected the downlink connecing composition near-end unit；Described first digital light module, near-end Digital IF Processing
The up-link of unit, a DAC D/A converter module, near-end up-converter module, first duplexer composition near-end unit.Described
Near-end Digital IF processing unit is connected with multiple described expanding elements respectively by the first digital light module.
As it is shown on figure 3, described expanding element include expanding digital IF processing unit and with this expanding digital IF process
Second digital light module of unit connection, the 3rd digital light module, the first Ethernet interface.Described expanding digital IF processing unit
Have and digital medium-frequency signal and WLAN signal or xPON signal are closed road branch function.Described extension IF digital process unit one
Holding and be connected with near-end unit by optical fiber through the second digital light module, the other end passes through optical fiber with remote by the 3rd digital light module
End unit is connected, or is connected with far-end unit by category-5 cable through Ethernet interface.
As shown in Figure 4, described far-end unit by remote digital IF processing unit, the 2nd DAC D/A converter module, second
ADC analog-to-digital conversion module, far-end up-converter module, far-end down conversion module, power amplifier low noise integrated module, the second duplexer,
4th digital light module, the second Ethernet interface composition；Described 4th digital light module or the second Ethernet interface, remote digital intermediate frequency
Processing unit, the 2nd DAC D/A converter module, far-end up-converter module, power amplifier low noise integrated module, the second duplexer are successively
Be connected composition downlink；Described second duplexer, power amplifier low noise integrated module, far-end down conversion module, the 2nd ADC mould
Number conversion module, remote digital IF processing unit, the 4th digital light module or the second Ethernet interface are sequentially connected and connect on composition
Line link.Described remote digital IF processing unit has closes road branch by digital medium-frequency signal and WLAN signal or xPON signal
Function, wherein digital medium-frequency signal is connected with Modem by category-5 cable through three-ethernet mouth after WLAN signal branch, numeral
Intermediate-freuqncy signal is connected with light Modem by optical fiber through the 5th digital light module after xPON signal branch；Digital medium-frequency signal and
WLAN signal is connected with expanding element by category-5 cable through the second Ethernet interface after closing road, and digital medium-frequency signal and xPON signal close
It is connected with expanding element by optical fiber through the 4th digital light module behind road.Described far-end IF digital process unit one end the 4th
Digital light module is connected with expanding element by optical fiber, or is connected with expanding element by category-5 cable through the second Ethernet interface.
The digital optical fiber remote multimedium that this utility model provides transmits the operation principle of covering system of registering one's residence and includes descending
Link portions and uplink portion.
The operation principle of downlink portion: near-end unit couples base station or base station zoom out system in the downlink
Mobile network's downstream signal enters near-end down conversion module through first duplexer, and is descending by mobile network's downstream signal frequency conversion
Analog if signal transmission enters near-end digital intermediate frequency after being converted to downstream digital intermediate-freuqncy signal to an ADC analog-to-digital conversion module
Processing unit, is converted to downstream digital optical signal transmission extremely through the first digital light module after Base-Band Processing, transfer rate conversion
Described expanding element；Expanding element is that the second digital light module is received from described near-end unit biography by optical fiber at downlink
The downstream digital optical signal come is converted to downstream digital intermediate-freuqncy signal and enters expanding digital IF processing unit, expanding digital intermediate frequency
WLAN signal that downstream digital intermediate-freuqncy signal is transmitted by processing unit respectively with switch and the xPON signal that OLT transmits close
Road, the WLAN signal that wherein downstream digital intermediate-freuqncy signal and switch transmit is transferred to institute by the first Ethernet interface through category-5 cable
Stating far-end unit, the xPON signal that downstream digital intermediate-freuqncy signal and OLT transmit enters the 3rd digital light module after carrying out closing road and turns
It is changed to downstream digital optical signal, through fiber-optic transfer to described far-end unit；Far-end unit is the 4th numeral optical mode at downlink
Block receives, from optical fiber, the downstream digital optical signal transmitted from described expanding element and the second Ethernet interface is received by category-5 cable
Remote digital IF processing unit is respectively enterd to the downstream digital signal transmitted from described expanding element, after Base-Band Processing,
Being reduced into mobile network's downstream digital signal and WLAN signal or xPON signal, mobile network's downstream digital signal enters second
DAC D/A converter module is converted to downstream analog intermediate-freuqncy signal entrance far-end up-converter module and up-converts to the descending letter of mobile network
Number enter after power amplifier low noise integrated module carries out power amplification and to enter the second duplexer and through retransmitting antenna, the area of coverage is covered
Lid；WLAN signal or xPON signal return original wireless router or light Modem respectively.
The operation principle of uplink portion: it is up that the up-link of far-end unit is that retransmitting antenna receives mobile network
Enter the power amplification integrated module of power amplifier low noise through the second duplexer after signal, after low noise amplification, enter far-end down conversion module
Down-convert to up analog if signal entrance the 2nd ADC analog-to-digital conversion module and be converted to upstream digital intermediate-freuqncy signal entrance far-end
Digital IF processing unit, after Base-Band Processing, upstream digital intermediate-freuqncy signal and WLAN signal or xPON signal close difference behind road
Be converted to upstream digital optical signal through the 4th digital light module and pass described expanding element back and through the second Ethernet interface by optical fiber
Extension end unit is passed back by category-5 cable；The up-link of expanding element is that the 3rd digital light module receives from described from optical fiber
Upstream digital optical signal and the first Ethernet interface that far-end unit transmits are received by category-5 cable and transmit from described far-end unit
Digital uplink signal respectively enter expanding digital IF processing unit, after Base-Band Processing, be reduced into the upper line number of mobile network
Word signal, WLAN signal and xPON signal, mobile network's digital uplink signal is converted into upstream digital through the second digital light module
Optical signal is passed described near-end unit, WLAN signal and xPON signal back through optical fiber and is passed switch and OLT respectively back；Near-end unit
Up-link is that the first digital light module receives, from optical fiber, the upstream digital optical signal transmitted from described expanding element and is converted to
Enter near-end Digital IF processing unit after upstream digital intermediate-freuqncy signal, transmit after Base-Band Processing to a DAC digital-to-analogue conversion
After upstream digital intermediate-freuqncy signal is converted to up analog if signal by module, enters near-end up-converter module and up-convert to mobile
Network uplink signal sends back to base station or base station zoom out system.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, is produced
Function without departing from the scope of technical solutions of the utility model time, belong to protection domain of the present utility model.
Claims (10)
1. a digital optical fiber remote multimedium transmits cladding system of registering one's residence, it is characterised in that: include near-end unit, expanding element
And far-end unit；
Described near-end unit couples mobile network's downstream signal of base station or base station zoom out system in the downlink through first
Duplexer enters near-end down conversion module, and is that downstream analog intermediate-freuqncy signal is transmitted to first by mobile network's downstream signal frequency conversion
ADC analog-to-digital conversion module enters near-end Digital IF processing unit after being converted to downstream digital intermediate-freuqncy signal, through Base-Band Processing, passes
Downstream digital optical signal transmission is converted to described expanding element through the first digital light module after the conversion of defeated speed；Described near-end list
The up-link of unit is that the first digital light module receives, from optical fiber, the upstream digital optical signal transmitted from described expanding element and turns
Enter near-end Digital IF processing unit after being changed to upstream digital intermediate-freuqncy signal, transmit after Base-Band Processing to a DAC digital-to-analogue
After upstream digital intermediate-freuqncy signal is converted to up analog if signal by modular converter, enters near-end up-converter module and up-convert to
Mobile network's upward signal sends back to base station or base station zoom out system；
Described expanding element is that the second digital light module is received by optical fiber and transmits from described near-end unit at downlink
Downstream digital optical signal is converted to downstream digital intermediate-freuqncy signal and enters expanding digital IF processing unit, expanding digital IF process
WLAN signal that downstream digital intermediate-freuqncy signal is transmitted by unit respectively with switch and the xPON signal that OLT transmits carry out closing road,
The WLAN signal that wherein downstream digital intermediate-freuqncy signal and switch transmit is transferred to described by the first Ethernet interface through category-5 cable
Far-end unit, the xPON signal that downstream digital intermediate-freuqncy signal and OLT transmit enters the 3rd digital light module conversion after carrying out closing road
For downstream digital optical signal, through fiber-optic transfer to described far-end unit；The up-link of described expanding element is the 3rd digital light
Module receives, from optical fiber, the upstream digital optical signal transmitted from described far-end unit and the first Ethernet interface is connect by category-5 cable
Receive the digital uplink signal transmitted from described far-end unit and respectively enter expanding digital IF processing unit, through Base-Band Processing
After, it being reduced into mobile network's digital uplink signal, WLAN signal and xPON signal, mobile network's digital uplink signal is through the second number
Word optical module is converted into upstream digital optical signal and passes described near-end unit, WLAN signal and xPON signal back through optical fiber and pass back respectively
Switch and OLT；
Described far-end unit receives from described expanding element transmits from optical fiber in downlink the 4th digital light module
Row number optical signal and the second Ethernet interface receive, by category-5 cable, the downstream digital signal transmitted from described expanding element and divide
Not Jin Ru remote digital IF processing unit, after Base-Band Processing, be reduced into mobile network's downstream digital signal and WLAN signal
Or xPON signal, mobile network's downstream digital signal enters the 2nd DAC D/A converter module and is converted to downstream analog intermediate-freuqncy signal
Entrance far-end up-converter module up-converts to mobile network's downstream signal entrance power amplifier low noise integrated module and carries out power amplification
The area of coverage is covered by rear entrance the second duplexer through retransmitting antenna；WLAN signal or xPON signal return original nothing respectively
Line router or light Modem；The up-link of described far-end unit is that retransmitting antenna receives warp after mobile network's upward signal
Second duplexer enters the power amplification integrated module of power amplifier low noise, enters far-end down conversion module and down-convert to after low noise amplification
Up analog if signal enters the 2nd ADC analog-to-digital conversion module and is converted to upstream digital intermediate-freuqncy signal entrance remote digital intermediate frequency
Processing unit, after Base-Band Processing, upstream digital intermediate-freuqncy signal and WLAN signal or xPON signal count through the 4th after closing road respectively
Word optical module is converted to upstream digital optical signal and passes described expanding element back and through the second Ethernet interface by five classes by optical fiber
Extension end unit passed back by line.
A kind of digital optical fiber remote multimedium the most according to claim 1 transmits cladding system of registering one's residence, it is characterised in that: institute
State near-end unit by first duplexer, near-end up-converter module, near-end down conversion module, a DAC D/A converter module, first
ADC analog-to-digital conversion module, near-end Digital IF processing unit, the first digital light module composition；Under described first duplexer, near-end
Frequency-variable module, an ADC analog-to-digital conversion module, near-end Digital IF processing unit, the first digital light module are sequentially connected and connect group
Become the downlink of near-end unit；Described first digital light module, near-end Digital IF processing unit, a DAC digital-to-analogue conversion
The up-link of module, near-end up-converter module, first duplexer composition near-end unit.
A kind of digital optical fiber remote multimedium the most according to claim 1 transmits cladding system of registering one's residence, it is characterised in that: institute
State near-end Digital IF processing unit to be connected with multiple described expanding elements respectively by the first digital light module.
A kind of digital optical fiber remote multimedium the most according to claim 1 transmits cladding system of registering one's residence, it is characterised in that: institute
State expanding element and include expanding digital IF processing unit and the second digital light being connected with this expanding digital IF processing unit
Module, the 3rd digital light module, the first Ethernet interface.
5. transmitting, according to a kind of digital optical fiber remote multimedium described in claim 1 or 4, cladding system of registering one's residence, its feature exists
Have in: described expanding digital IF processing unit and digital medium-frequency signal and WLAN signal or xPON signal are closed road branch merit
Energy.
6. transmitting, according to a kind of digital optical fiber remote multimedium described in claim 1 or 4, cladding system of registering one's residence, its feature exists
In: described extension IF digital process unit one end the second digital light module is connected with near-end unit by optical fiber, the other end
It is connected with far-end unit by optical fiber by the 3rd digital light module, or through Ethernet interface by category-5 cable and far-end unit phase
Even.
7. transmitting, according to a kind of digital optical fiber remote multimedium described in claim 1 or 4, cladding system of registering one's residence, its feature exists
In: described expanding digital IF processing unit is respectively by second, third digital light module and near-end unit, expanding element phase
Even.
A kind of digital optical fiber remote multimedium the most according to claim 1 transmits cladding system of registering one's residence, it is characterised in that: institute
State far-end unit by remote digital IF processing unit, the 2nd DAC D/A converter module, the 2nd ADC analog-to-digital conversion module, far-end
Up-converter module, far-end down conversion module, power amplifier low noise integrated module, the second duplexer, the 4th digital light module, second with
Too network interface composition；Described 4th digital light module or the second Ethernet interface, remote digital IF processing unit, the 2nd DAC digital-to-analogue
Modular converter, far-end up-converter module, power amplifier low noise integrated module, the second duplexer are sequentially connected and connect composition downlink；
Described second duplexer, power amplifier low noise integrated module, far-end down conversion module, the 2nd ADC analog-to-digital conversion module, remote digital
IF processing unit, the 4th digital light module or the second Ethernet interface are sequentially connected and connect composition up-link.
A kind of digital optical fiber remote multimedium the most according to claim 8 transmits cladding system of registering one's residence, it is characterised in that: institute
State remote digital IF processing unit to have and digital medium-frequency signal and WLAN signal or xPON signal are closed road branch function, wherein
Digital medium-frequency signal is connected with Modem by category-5 cable through three-ethernet mouth after WLAN signal branch, digital medium-frequency signal
It is connected with light Modem by optical fiber through the 5th digital light module with after xPON signal branch；Digital medium-frequency signal and WLAN signal
Close and be connected with expanding element by category-5 cable through the second Ethernet interface behind road, through the after digital medium-frequency signal and xPON signal conjunction road
Four digital light modules are connected with expanding element by optical fiber.
A kind of digital optical fiber remote multimedium the most according to claim 8 transmits cladding system of registering one's residence, it is characterised in that:
Described far-end IF digital process unit one end the 4th digital light module is connected with expanding element by optical fiber, or through second with
Too network interface is connected with expanding element by category-5 cable.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113992271A (en) * | 2021-10-26 | 2022-01-28 | 京信网络系统股份有限公司 | 5G millimeter wave base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992271A (en) * | 2021-10-26 | 2022-01-28 | 京信网络系统股份有限公司 | 5G millimeter wave base station |
| CN113992271B (en) * | 2021-10-26 | 2023-09-26 | 京信网络系统股份有限公司 | 5G millimeter wave base station |
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