CN112969187A - 5G wired coupling microdistribution communication system - Google Patents
5G wired coupling microdistribution communication system Download PDFInfo
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- CN112969187A CN112969187A CN202110108856.0A CN202110108856A CN112969187A CN 112969187 A CN112969187 A CN 112969187A CN 202110108856 A CN202110108856 A CN 202110108856A CN 112969187 A CN112969187 A CN 112969187A
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- 238000004891 communication Methods 0.000 title claims abstract description 30
- 230000008878 coupling Effects 0.000 title claims abstract description 30
- 238000010168 coupling process Methods 0.000 title claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 120
- 239000013307 optical fiber Substances 0.000 claims description 29
- 239000002131 composite material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 description 20
- 230000006855 networking Effects 0.000 description 19
- 230000008569 process Effects 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 12
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- 230000003321 amplification Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Abstract
The invention provides a 5G wired coupling microdistribution communication system, which comprises an access unit, an extension unit and a radio remote unit; the access unit is used for receiving the 5G radio frequency signal of the outdoor base station in a feeder line coupling mode in a downlink, amplifying the received 5G radio frequency signal, processing the amplified 5G radio frequency signal into a 5G optical signal and outputting the 5G optical signal to the extension unit or the radio remote unit; and the access unit is used for receiving the 5G mobile phone optical signal output by the extension unit or the radio remote unit in an uplink, processing the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifying the 5G mobile phone radio frequency signal and outputting the signal to an outdoor base station in a feeder line coupling mode. The invention can realize the coverage of the 5G wireless network in the indoor low-traffic area and can fully reuse the service capacity of the outdoor base station.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of mobile communication, in particular to a 5G wired coupling microdistribution communication system.
[ background of the invention ]
The arrival of the 5G network has the advantages of stability, high speed, safety, reliability and low time delay, and brings about qualitative leap. And the method can provide differentiated services, interconnection of massive terminals, vertical industry application and open platforms. The system has huge market value in the industries of logistics, medical treatment, automatic driving, finance, entertainment, automatic production, live media broadcast, remote control and the like, and brings huge convenience.
From the perspective of operator base station construction and user traffic, more than 70% of users are distributed indoors, 80% -90% of data services occur indoors, indoor wireless network coverage is of great importance, and the method is a main scene for operators to obtain revenue. Although the construction of the 5G base station is accelerated at present, the coverage area of the 5G wireless signal is larger and larger, because the macro-station signal has penetration loss of more than 30dB when penetrating through a building and entering the room, a large part of signal blind areas still exist, such as an indoor scene with a large area but low traffic volume, an underground parking lot, an elevator and the like. The problem that the service capacity of the outdoor base station is excessive and cannot be fully utilized also occurs. Therefore, a system level solution that can fully reuse the service capacity of the outdoor base station and perform 5G wireless network coverage on an indoor low-traffic area is urgently needed.
[ summary of the invention ]
The invention mainly aims to provide a 5G wired coupling microdistribution communication system which can realize the coverage of a 5G wireless network in an indoor low-traffic area and can fully multiplex the traffic capacity of an outdoor base station.
In order to achieve the above object, the present invention provides a 5G wired coupling microdistribution communication system, which includes an access unit, an extension unit and a radio remote unit; the access unit is used for receiving the 5G radio frequency signal of the outdoor base station in a feeder line coupling mode in a downlink, amplifying the received 5G radio frequency signal, processing the amplified 5G radio frequency signal into a 5G optical signal and outputting the 5G optical signal to the extension unit or the radio remote unit; the access unit is used for receiving the 5G mobile phone optical signal output by the extension unit or the radio remote unit in an uplink, processing the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifying the 5G mobile phone radio frequency signal and outputting the signal to an outdoor base station in a feeder line coupling mode; the extension unit is used for receiving the 5G optical signal output by the access unit and forwarding the 5G optical signal to the radio remote unit in a downlink; the extension unit is used for receiving the 5G mobile phone optical signal output by the remote radio unit in an uplink and outputting the 5G mobile phone optical signal to the access unit; the radio remote unit is used for receiving the 5G optical signal output by the access unit or the extension unit in a downlink, processing the received 5G optical signal into a 5G radio frequency signal, amplifying the 5G radio frequency signal and outputting the 5G radio frequency signal to an antenna through a feeder line; the remote radio unit is used for receiving the 5G mobile phone radio frequency signal output by the antenna through the feeder line in an uplink, amplifying the received 5G mobile phone radio frequency signal, processing the amplified 5G mobile phone radio frequency signal into a 5G mobile phone optical signal and outputting the 5G mobile phone optical signal to the access unit or the extension unit.
As a preferred technical solution, the number of the access unit is one, and the access unit is connected to the N remote radio units.
As a preferred technical solution, the number of the access unit is one, the number of the extension units is M, the M extension units are sequentially connected, the access unit is connected with the first extension unit, and each extension unit is respectively connected with the N radio remote units.
As a preferred technical solution, the number of the access unit is one, the number of the extension unit is one, the access unit is connected to the extension unit, and the extension unit is connected to the N remote radio units.
As a preferred technical solution, the access unit and the extension unit or the remote radio unit may be connected by an optical fiber, and the extension unit and the remote radio unit may be connected by an optical fiber.
As a preferable technical solution, the access unit and the extension unit may be further connected by a cable, the extension unit and the remote radio unit may be further connected by a cable, and the extension unit is further configured to remotely power the access unit and the remote radio unit.
As a preferred technical solution, the access unit and the extension unit or the remote radio unit may be connected by a composite optical cable, the extension unit and the remote radio unit may be connected by a composite optical cable, and the extension unit is further configured to remotely power the access unit and the remote radio unit.
As a preferred technical solution, the access unit includes a first digital processing module, a first power amplifier module, a first power module and a synchronization module, where the first power module is configured to supply power to the first digital processing module and the first power amplifier module.
As a preferred technical solution, the extension unit includes a second digital processing module, a second power supply module and a power supply management module, the second power supply module is configured to supply power to the second digital processing module and the power supply management module, and the power supply management module is configured to remotely supply power to the access unit and the remote radio unit.
As a preferred technical solution, the radio remote unit includes a third digital processing module, a second power amplifier module, and a third power supply module, where the third power supply module is configured to supply power to the third digital processing module and the second power amplifier module.
The 5G wired coupling microdistribution communication system provided by the invention can realize the coverage of a 5G wireless network in indoor scenes with large area and low traffic, underground parking lots, elevators and other indoor scenes, solves the problem of weak signal coverage, receives the 5G radio frequency signal of the outdoor base station in a feeder coupling mode, can fully reuse the service capacity of the outdoor base station, improves the energy efficiency and reduces the construction cost.
[ description of the drawings ]
To further disclose the specific technical content of the present disclosure, please refer to the attached drawings, wherein:
fig. 1 is a block diagram illustrating an access unit of a 5G wired-coupled microdistribution communication system according to an embodiment of the present invention;
fig. 2 is a block diagram illustrating an expansion unit of a 5G wired-coupled microdistribution communication system according to an embodiment of the present invention;
fig. 3 is a block diagram of an rf remote unit of a 5G wired-coupled microdistribution communication system according to an embodiment of the present invention;
fig. 4 is a block diagram illustrating a first networking manner of a 5G wired-coupled micro-distribution communication system according to an embodiment of the present invention;
fig. 5 is a block diagram illustrating a second networking manner of a 5G wired-coupled micro-distribution communication system according to an embodiment of the present invention;
fig. 6 is a block diagram illustrating a third networking manner of a 5G wired-coupled microdistribution communication system according to an embodiment of the present invention;
fig. 7 is a block diagram illustrating a 5G wired-coupled microdistribution communication system applied to office buildings, government buildings, dense residences, scenic spots, and the like according to an embodiment of the present invention.
Description of the symbols:
First power amplifier module 14 first power module 16
The remote radio unit 50 has a third digital processing module 52
Second power amplifier module 54 third power module 56
[ detailed description ] embodiments
Referring to fig. 1 to 3, the present embodiment provides a 5G wired-coupled microdistribution communication system, which is mainly applied to coverage of a 5G wireless network in indoor scenes with large area and low traffic, underground parking lots, elevators, and other indoor scenes. The system comprises An (AU)10, an extension unit (HUB)30 and a Radio Remote Unit (RRU) 50.
The access unit 10 is configured to receive a 5G radio frequency signal of the outdoor base station 70 (see fig. 4, 5, and 6) through feeder coupling in downlink, amplify the received 5G radio frequency signal, process the amplified 5G radio frequency signal into a 5G optical signal, and output the 5G optical signal to the extension unit 30 or the remote radio unit 50. The access unit 10 is configured to receive the 5G mobile phone optical signal output by the extension unit 30 or the remote radio unit 50 in an uplink, process the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplify the 5G mobile phone radio frequency signal, and output the signal to the outdoor base station 70 by way of feeder coupling.
The access unit 10 is further configured to receive frame synchronization information of the outdoor base station 70 through feeder coupling in downlink and deframe the received frame synchronization information to synchronize the received 5G radio frequency signal with the time slot switch of the access unit 10.
The extension unit 30 is used in downlink to receive the 5G optical signal output by the access unit 10 and forward the 5G optical signal to the remote radio unit 50. The extension unit 30 is configured to receive the 5G handset optical signal output by the radio remote unit 50 in an uplink and output the 5G handset optical signal to the access unit 10.
The expansion unit 30 also functions as a splitter in the downlink and as a combiner in the uplink. For example, in the downlink of the extension unit 30, if the extension unit 30 is not the last stage and there are a plurality of remote radio units 50, the extension unit 30, after receiving the 5G optical signal, splits the optical signal and forwards the optical signal to the next stage extension unit 30 and the plurality of remote radio units 50 until the last stage extension unit 30, and in the uplink, if the previous stage of the extension unit 30 is not the access unit 10, the extension unit 30, after receiving all the 5G optical signals of the mobile phone, combines the optical signals and outputs the combined optical signal to the previous stage extension unit 30 until the first extension unit 30.
The remote radio unit 50 is configured to receive the 5G optical signal output by the access unit 10 or the extension unit 30 in a downlink, process the received 5G optical signal into a 5G radio frequency signal, amplify the 5G radio frequency signal, and output the 5G radio frequency signal to the antenna through the feeder, where the antenna radiates an electromagnetic wave with the 5G radio frequency signal to a corresponding area, so as to complete signal coverage of the 5G wireless network. The remote radio unit 50 is configured to receive the 5G mobile phone radio frequency signal output by the antenna through the feeder line in the uplink, amplify the received 5G mobile phone radio frequency signal, process the amplified 5G mobile phone radio frequency signal into a 5G mobile phone optical signal, and output the 5G mobile phone optical signal to the access unit 10 or the extension unit 30.
Through the structure, the coverage of the 5G wireless network of indoor scenes such as indoor scenes with large area and low traffic volume, underground parking lots, elevators and the like can be realized, the problem of weak signal coverage is solved, the 5G radio frequency signals of the outdoor base station 70 are received in a feeder line coupling mode, the service capacity of the outdoor base station 70 can be fully reused, the energy efficiency is improved, and the construction cost is reduced.
The access unit 10 and the extension unit 30 or the remote radio unit 50 may be connected by an optical fiber, and the extension unit 30 and the remote radio unit 50 may be connected by an optical fiber. Transmitting data over optical fibers can reduce losses. The access unit 10 and the extension unit 30 can be connected through a cable, the extension unit 30 and the remote radio unit 50 can be connected through a cable, and the extension unit 30 is further configured to remotely power the access unit 10 and the remote radio unit 50 through a cable. The access unit 10 and the remote radio unit 50 are remotely powered through the extension unit 30, so that energy conservation and emission reduction can be realized, and the problem of difficulty in power taking in construction is solved.
In an alternative, the access unit 10 and the extension unit 30 or the remote radio unit 50 may be connected by a composite optical cable, the extension unit 30 and the remote radio unit 50 may be connected by a composite optical cable, and the extension unit 30 is also used for remotely powering the access unit 10 and the remote radio unit 50 through the composite optical cable.
When a plurality of extension unit stages 30 are connected, adjacent extension units 30 may be connected to each other by an optical fiber.
In this embodiment, as shown in fig. 1, the access unit 10 includes a first digital processing module 12, a first power amplifier module 14, a first power supply module 16, and a synchronization module 18. The first power module 16 is used for supplying power to the first digital processing module 12 and the first power amplifier module 14.
The first power amplifier module 14 is configured to receive the 5G radio frequency signal of the outdoor base station 70 through feeder coupling in a downlink and perform downlink signal linear amplification on the received 5G radio frequency signal. The first power amplifier module 14 is configured to perform uplink signal linear amplification on the 5G mobile phone radio frequency signal processed by the first digital processing module 12 in an uplink, and output the uplink signal to the outdoor base station 70 in a feeder line coupling manner.
The first digital processing module 12 is configured to perform digital sampling, analog-to-digital conversion, digital down conversion, filtering, and the like on the 5G radio frequency signal amplified by the first power amplifier module 14 in a downlink, so as to convert the 5G radio frequency signal into a 5G digital signal, perform framing on the 5G digital signal so as to obtain a 5G digital signal frame, perform photoelectric conversion on the 5G digital signal frame so as to obtain a 5G optical signal, and output the 5G optical signal to the extension unit 30 or the remote radio unit 50 through an optical fiber or a composite optical cable. The first digital processing module 12 is configured to receive, in an uplink, the 5G mobile phone optical signal output by the extension unit 30 or the radio remote unit 50 through an optical fiber or a composite optical cable, perform photoelectric conversion on the received 5G mobile phone optical signal and perform deframing to obtain a 5G mobile phone digital signal, and perform processing such as digital sampling, digital up-conversion, digital-to-analog conversion, and filtering on the 5G mobile phone digital signal to convert the 5G mobile phone digital signal into a 5G mobile phone radio signal.
The synchronization module 18 is used in the downlink to receive the frame synchronization information of the outdoor base station 70 by means of feeder coupling and to deframe the received frame synchronization information to synchronize the received 5G radio frequency signal with the time slot switch of the access unit 10.
As shown in fig. 2, the expansion unit 30 includes a second digital processing module 32, a second power module 34, and a power management module 36. The second power module 34 is used to power the second digital processing module 32 and the power management module 36, and the power management module 36 is used to remotely power the first power module 16 of the access unit 10 and the third power module 56 of the remote radio unit 50 via a cable or a composite optical cable. The power management module 36 also has short-circuit protection and overcurrent protection functions.
The second digital processing module 32 is configured to receive the 5G optical signal output by the access unit 10 through an optical fiber or a composite optical cable in downlink and output the 5G optical signal to the remote radio unit 50 through the optical fiber or the composite optical cable. The second digital processing module 32 is configured to receive the 5G mobile phone optical signal output by the radio remote unit 50 through an optical fiber or a composite optical cable in an uplink and output the 5G mobile phone optical signal to the access unit 10.
The second digital processing module 32 also functions as a splitter in the downlink and as a combiner in the uplink. For example, in the downlink of the extension unit 30, if the extension unit 30 is not the last stage and there are multiple remote radio units 50, the second digital processing module 32 of the extension unit 30, after receiving the 5G optical signal, branches the signal and forwards the signal to the second digital module 32 and multiple remote radio units 50 of the next stage of extension unit 30 through the optical fiber or the composite optical cable, until the last stage of extension unit 30, and in the uplink, if the previous stage of the extension unit 30 is not the access unit 10, the extension unit 30, after receiving all the 5G mobile phone optical signals, combines the signal and outputs the signal to the second digital processing module 32 of the previous stage of extension unit 30 through the optical fiber or the composite optical cable, until the first extension unit 30.
As shown in fig. 3, the remote radio unit 50 includes a third digital processing module 52, a second power amplifier module 54, and a third power supply module 56. The third power module 56 is used for supplying power to the third digital processing module 52 and the second power amplifier module 54.
The third digital processing module 52 is configured to receive, in a downlink, the 5G optical signal output by the access unit 10 or the extension unit 30 through an optical fiber or a composite optical cable, perform photoelectric conversion on the received 5G optical signal and perform deframing to obtain a 5G digital signal, and perform processing such as digital sampling, digital down conversion, digital-to-analog conversion, and filtering on the 5G digital signal to convert the 5G digital signal into a 5G radio frequency signal. The third digital processing module 52 is configured to perform digital sampling, analog-to-digital conversion, digital up-conversion, filtering, and other processing on the 5G mobile phone radio frequency signal amplified by the second power amplifier module 54 in an uplink to convert the 5G mobile phone radio frequency signal into a 5G mobile phone digital signal, frame the 5G mobile phone digital signal to obtain a 5G mobile phone digital signal frame, perform photoelectric conversion on the 5G mobile phone digital signal frame to obtain a 5G mobile phone optical signal, and output the 5G mobile phone optical signal to the expansion unit 30 or the access unit 10 through an optical fiber or a composite optical cable.
The second power amplifier module 54 is used for performing downlink signal linear amplification on the 5G radio frequency signal processed by the third digital processing module 52 in a downlink and outputting the downlink signal to the antenna through a feeder line. The second power amplifier module 54 is configured to receive the 5G mobile phone radio frequency signal output by the antenna through the feeder line in the uplink and perform uplink signal linear amplification on the 5G mobile phone radio frequency signal.
The networking mode of the 5G wired coupling microdistribution communication system is explained below.
Fig. 4 is a block diagram illustrating a first networking mode of a 5G wired-coupled micro-distribution communication system according to the present invention. The first networking mode is mainly applied to the 5G wireless network coverage of a single elevator scene.
In the first networking mode, there is one access unit 10, and the access unit 10 is connected to N remote radio units 50. In this embodiment, N is 1, that is, the access unit 10 is connected to 1 remote radio unit 50. Wherein the access unit 10 is installed outdoors and the remote radio unit 50 is installed in an elevator shaft.
In the downlink, the access unit 10 receives the 5G radio frequency signal of the outdoor base station 70 by a feeder line coupling manner, amplifies the received 5G radio frequency signal, processes the amplified 5G radio frequency signal into a 5G optical signal, and outputs the 5G optical signal to the remote radio unit 50 through an optical fiber. The remote radio unit 50 receives the 5G optical signal output by the access unit 10, processes the received 5G optical signal into a 5G radio signal, amplifies the 5G radio signal and outputs the signal to the antenna through the feeder line, and the antenna radiates electromagnetic waves with the 5G radio signal into the elevator car to realize the coverage of a 5G wireless network in the elevator car.
In the uplink, the remote radio unit 50 receives the 5G mobile phone radio frequency signal output by the antenna through the feeder line, amplifies the received 5G mobile phone radio frequency signal, processes the amplified 5G mobile phone radio frequency signal into a 5G mobile phone optical signal, and outputs the 5G mobile phone optical signal to the access unit 10 through the optical fiber. The access unit 10 receives the 5G mobile phone optical signal output by the remote radio unit 50, processes the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifies the 5G mobile phone radio frequency signal, and outputs the signal to the outdoor base station 70 by way of feeder line coupling.
Fig. 5 is a block diagram illustrating a second networking mode of a 5G wired-coupled micro-distribution communication system according to the present invention. The second networking mode is mainly applied to the 5G wireless network coverage of a multi-elevator scene.
In the second networking mode, there are one access unit 10 and one extension unit 30, the access unit 10 is connected to the extension unit 30, and the extension unit 30 is connected to the N remote radio units 50. In this embodiment, N is 2, that is, the extension unit 30 is connected to 2 remote radio units 50. Wherein the access unit 10 is installed outdoors, the extension unit 30 is installed indoors, and the 2 remote radio units 50 are installed in two elevator shafts, respectively.
In the downlink, the access unit 10 receives the 5G radio frequency signal of the outdoor base station 70 by means of feeder coupling, amplifies the received 5G radio frequency signal, processes the amplified 5G radio frequency signal into a 5G optical signal, and outputs the 5G optical signal to the extension unit 30 through an optical fiber. After receiving the 5G optical signals output by the access unit 10, the extension unit 30 splits the optical signals and forwards the optical signals to the 2 remote radio units 50 through the optical fiber. Each remote radio unit 50 receives the 5G optical signal output by the extension unit 30, processes the received 5G optical signal into a 5G radio signal, amplifies the 5G radio signal, and outputs the amplified 5G radio signal to the antenna through the feeder line, and the antenna radiates electromagnetic waves with the 5G radio signal into the corresponding elevator car to realize the coverage of a 5G wireless network in the elevator car.
In the uplink, each remote radio unit 50 receives the 5G mobile phone radio frequency signal output by the corresponding antenna through the feeder, amplifies the received 5G mobile phone radio frequency signal, processes the amplified 5G mobile phone radio frequency signal into a 5G mobile phone optical signal, and outputs the 5G mobile phone optical signal to the extension unit 30 through the optical fiber. After receiving the 5G mobile phone optical signals output by the 2 remote radio units 50, the extension unit 30 combines the received optical signals and outputs the combined optical signals to the access unit 10 through an optical fiber. The access unit 10 receives the 5G mobile phone optical signal output by the extension unit 30, processes the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifies the 5G mobile phone radio frequency signal, and outputs the signal to the outdoor base station 70 by way of feeder line coupling.
Fig. 6 is a schematic block diagram of a third networking mode of the 5G wired-coupled microdistribution communication system provided by the present invention. The third networking mode is mainly applied to the coverage of a 5G wireless network of an underground parking lot scene.
In the third networking mode, there are one access unit 10 and M extension units 30, the M extension units 30 are connected in sequence, the access unit 10 is connected with the first extension unit 30, and each extension unit 30 is connected with the N remote radio units 50. In this embodiment, the value of M is 2, and the value of N is 2, that is, 2 extension units 30 are sequentially connected, and each extension unit 30 is respectively connected to 2 radio remote units 50 (fig. 6 shows that the second extension unit 30 is connected to only 1 radio remote unit 50). Wherein, the access unit 10 is installed outdoors, and 2 extension units 30 and 4 remote radio units 50 are installed at different positions of the underground parking lot.
In the downlink, the access unit 10 receives the 5G radio frequency signal of the outdoor base station 70 by means of feeder coupling, amplifies the received 5G radio frequency signal, processes the amplified 5G radio frequency signal into a 5G optical signal, and outputs the 5G optical signal to the first extension unit 30 through an optical fiber. After receiving the 5G optical signals output by the access unit 10, the first extension unit 30 splits the optical signals and forwards the optical signals to the 2 remote radio units 50 and the second extension unit 30 through the optical fiber. After receiving the 5G optical signal output by the first extension unit 30, the second extension unit 30 splits the optical signal and forwards the optical signal to the 2 remote radio units 50 through the optical fiber. The 2 remote radio units 50 connected to the first extension unit 30 receive the 5G optical signal output by the first extension unit 30, process the received 5G optical signal into a 5G radio frequency signal, amplify the 5G radio frequency signal and output the signal to the corresponding antenna through the feeder line, the antenna radiates the electromagnetic wave with the 5G radio frequency signal to the underground parking lot to realize the coverage of the 5G wireless network, the 2 remote radio units 50 connected to the second extension unit 30 receive the 5G optical signals output by the second extension unit 30, process the received 5G optical signals into 5G radio frequency signals, amplify the 5G radio frequency signals, and output the signals to corresponding antennas through feeders, and the antennas radiate electromagnetic waves with the 5G radio frequency signals into the underground parking lot to realize the coverage of the 5G wireless network, so that the whole underground parking lot finally realizes the coverage of the 5G wireless network.
In the uplink, the 2 remote radio units 50 connected to the second extension unit 30 receive the 5G mobile phone radio frequency signals output by the corresponding antennas through the feeder lines, amplify the received 5G mobile phone radio frequency signals, process the amplified 5G mobile phone radio frequency signals into 5G mobile phone optical signals, and output the 5G mobile phone optical signals to the second extension unit 30 through the optical fibers. The 2 remote radio units 50 connected to the first extension unit 30 receive the 5G mobile phone radio frequency signals output by the corresponding antennas through the feeder lines, amplify the received 5G mobile phone radio frequency signals, process the amplified 5G mobile phone radio frequency signals into 5G mobile phone optical signals, and output the 5G mobile phone optical signals to the first extension unit 30 through optical fibers. The second extension unit 30 receives the 5G mobile phone optical signals output by the 2 remote radio units 50 connected to the second extension unit, and then combines the received signals and outputs the combined signals to the first extension unit 30. The first extension unit 30 receives the 5G mobile phone optical signals output by the 2 radio remote units 50 connected to the first extension unit and the 5G mobile phone optical signals output by the second extension unit 30, and then outputs the signals to the access unit 10 reasonably through the optical fiber. The access unit 10 receives the 5G mobile phone optical signal output by the first extension unit 30, processes the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifies the 5G mobile phone radio frequency signal, and outputs the signal to the outdoor base station 70 by way of feeder line coupling.
It can be understood that, in the third networking mode, the number of the remote radio units 50 connected to each extension unit 30 may be flexibly changed according to actual situations, for example, the first extension unit 30 is connected to 2 remote radio units 50, and the second extension unit 30 is connected to 1, 3, or more than 3 remote radio units 50.
In addition to the three networking manners, the networking manner of the present invention may also be other, for example, in a multi-elevator scenario, the number of the access units 10 is 1, the number of the extension units 30 is, for example, 2, 3, and the like, and each extension unit 30 is connected to the N radio remote units 50. For example, in an underground parking lot scene, the number of the access units 10 is 1, the number of the extension units 30 is M, the M extension units 30 are respectively connected with the access unit 10, and each extension unit 30 is connected with the N radio remote units 50. Networking modes can be set according to specific application scenes, different networking modes can be adopted in different scenes, flexible networking can be realized, and the construction of a 5G wireless network of a communication operator is facilitated. The number of the extension units 30 and the number of the radio remote units 50 may also be set according to the application-specific scenario.
The 5G wired coupling micro-distribution system can also be applied to application scenes such as office buildings, government buildings, dense houses, scenic spots, subways, parks and the like, and can support more application scenes as shown in FIG. 7.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A5G wired coupling microdistribution communication system is characterized by comprising an access unit, an extension unit and a remote radio unit;
the access unit is used for receiving the 5G radio frequency signal of the outdoor base station in a feeder line coupling mode in a downlink, amplifying the received 5G radio frequency signal, processing the amplified 5G radio frequency signal into a 5G optical signal and outputting the 5G optical signal to the extension unit or the radio remote unit; the access unit is used for receiving the 5G mobile phone optical signal output by the extension unit or the radio remote unit in an uplink, processing the received 5G mobile phone optical signal into a 5G mobile phone radio frequency signal, amplifying the 5G mobile phone radio frequency signal and outputting the signal to an outdoor base station in a feeder line coupling mode;
the extension unit is used for receiving the 5G optical signal output by the access unit and forwarding the 5G optical signal to the radio remote unit in a downlink; the extension unit is used for receiving the 5G mobile phone optical signal output by the remote radio unit in an uplink and outputting the 5G mobile phone optical signal to the access unit;
the radio remote unit is used for receiving the 5G optical signal output by the access unit or the extension unit in a downlink, processing the received 5G optical signal into a 5G radio frequency signal, amplifying the 5G radio frequency signal and outputting the 5G radio frequency signal to an antenna through a feeder line; the remote radio unit is used for receiving the 5G mobile phone radio frequency signal output by the antenna through the feeder line in an uplink, amplifying the received 5G mobile phone radio frequency signal, processing the amplified 5G mobile phone radio frequency signal into a 5G mobile phone optical signal and outputting the 5G mobile phone optical signal to the access unit or the extension unit.
2. The 5G wire-coupled microdistribution communication system of claim 1 wherein said access unit is one, said access unit being connected to N of said remote radio units.
3. The 5G wire-coupled microdistribution communication system according to claim 1, wherein the number of the access unit is one, the number of the extension units is M, the M extension units are connected in sequence, the access unit is connected with the first extension unit, and each extension unit is respectively connected with the N RRUs.
4. The 5G wire-coupled microdistribution communication system of claim 1 wherein said access unit is one and said extension unit is one, said access unit is connected to said extension unit, and said extension unit is connected to N of said RRUs.
5. The 5G wire-coupled microdistribution communication system of claim 1, wherein the access unit and the extension unit or the remote radio unit are connected by optical fiber, and the extension unit and the remote radio unit are connected by optical fiber.
6. The 5G wire-coupled microdistribution communication system of claim 5, wherein the access unit and the extension unit are further connected by a cable, the extension unit and the remote radio unit are further connected by a cable, and the extension unit is further used for remotely powering the access unit and the remote radio unit.
7. The 5G wire-coupled microdistribution communication system of claim 1, wherein the access unit and the extension unit or the remote radio unit are connected by a composite optical cable, the extension unit and the remote radio unit are connected by a composite optical cable, and the extension unit is further configured to remotely power the access unit and the remote radio unit.
8. The 5G wire-coupled microdistribution communication system of claim 1, wherein the access unit comprises a first digital processing module, a first power amplifier module, a first power supply module and a synchronization module, wherein the first power supply module is used for supplying power to the first digital processing module and the first power amplifier module.
9. The 5G wire-coupled microdistribution communication system of claim 1, wherein the expansion unit comprises a second digital processing module, a second power module and a power management module, the second power module is used for supplying power to the second digital processing module and the power management module, and the power management module is used for remotely supplying power to the access unit and the remote radio unit.
10. The 5G wired-coupled microdistribution communication system of claim 1, wherein the remote radio unit comprises a third digital processing module, a second power amplifier module and a third power module, and the third power module is used for supplying power to the third digital processing module and the second power amplifier module.
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| CN202110108856.0A CN112969187A (en) | 2021-01-27 | 2021-01-27 | 5G wired coupling microdistribution communication system |
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| CN202110108856.0A CN112969187A (en) | 2021-01-27 | 2021-01-27 | 5G wired coupling microdistribution communication system |
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