CN213072889U - 5G optical platform based on DOCSIS - Google Patents
5G optical platform based on DOCSIS Download PDFInfo
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- CN213072889U CN213072889U CN202022005888.1U CN202022005888U CN213072889U CN 213072889 U CN213072889 U CN 213072889U CN 202022005888 U CN202022005888 U CN 202022005888U CN 213072889 U CN213072889 U CN 213072889U
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Abstract
The utility model discloses a 5G optical platform based on DOCSIS, which comprises an optical station module, a CM module, a BBU module, an AAU module and a monitoring module; the optical station module is connected with the CM module, the CM module is connected with the BBU module, the BBU module is connected with the AAU module, and the monitoring module is respectively connected with the optical station module, the CM module, the BBU module and the AAU module; the optical station module is used for processing the input optical signal to obtain a radio frequency signal and inputting the obtained radio frequency signal into the CM module; the CM module is used for receiving the radio frequency signal and converting the received radio frequency signal into an IP signal; the BBU module is responsible for baseband protocol processing, comprises the whole user plane and control plane protocol processing functions and provides a return interface with a core network and an interconnection interface between base stations; the AAU module is used for realizing the conversion between the baseband signal and the radio frequency signal and the receiving and transmitting processing function of the 5G radio frequency signal; and the monitoring module is used for monitoring and controlling the performance indexes of the optical station module, the CM module, the BBU module and the AAU module.
Description
Technical Field
The utility model relates to a broadcast television technical field especially relates to a 5G optical platform based on DOCSIS.
Background
The DOCSIS is a Cable data service interface specification, is an international standard formulated by Cable standards organization Cable Labs, and along with the business service types of the bidirectional Cable television network are more and more, wherein the high-bandwidth application types are more and more, and as the radio and television have 5G license plates and then respectively obtain 4.9GHz frequency spectrum and 3.3-3.4 GHz indoor frequency spectrum, the existing 700MHz frequency spectrum of the radio and television is added, the 5G frequency spectrum resource allocation does not fall into the wind.
The 5G access network constructed by China radio and television has the problems of fund shortage, technology weakness, mobile user loss and the like, how to fully utilize the original network resources and make good use of the advantages and avoid the disadvantages, and the method occupies a place in the 5G construction and application and is an urgent problem in the radio and television industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a 5G optical platform based on DOCSIS.
In order to realize the above purpose, the utility model adopts the following technical scheme:
A5G optical platform based on DOCSIS comprises an optical station module, a CM module, a BBU module, an AAU module and a monitoring module; the optical station module is connected with the CM module, the CM module is connected with the BBU module, the BBU module is connected with the AAU module, and the monitoring module is respectively connected with the optical station module, the CM module, the BBU module and the AAU module;
the optical station module is used for processing the input optical signal to obtain a radio frequency signal and inputting the obtained radio frequency signal into the CM module;
the CM module is used for receiving the radio frequency signal and converting the received radio frequency signal into an IP signal;
the BBU module is used for taking charge of baseband protocol processing, including the whole user plane and control plane protocol processing functions, and providing a return interface with a core network and an interconnection interface between base stations;
the AAU module is used for realizing the conversion between the baseband signal and the radio frequency signal and the receiving and transmitting processing function of the 5G radio frequency signal;
and the monitoring module is used for monitoring and controlling the performance indexes of the optical station module, the CM module, the BBU module and the AAU module.
Further, the optical station module processes the input optical signal, wherein the processing includes performing photoelectric conversion and radio frequency amplification on the optical signal.
Further, the chip model of the optical station module is ZBL 5061; the CM module is a CM8200 type modem; the monitoring module is a ZBL9801 series ARM controller.
Further, the BBU module includes a transmission interface unit, a baseband unit, and a control unit; the transmission interface unit is connected with the baseband unit, and the control unit is respectively connected with the transmission interface unit and the baseband unit.
Furthermore, the AAU module comprises an interface unit, a downlink signal processing unit, a power amplification unit, a duplexer unit, a low-noise amplification unit, an uplink signal processing unit and an antenna; the interface unit is connected with downlink signal processing unit and uplink signal processing unit respectively, downlink signal processing unit is connected with power amplifier unit, power amplifier unit and duplexer unit connection, duplexer unit is connected with antenna, low noise amplifier unit respectively, and the low noise amplifier unit is connected with uplink signal processing unit.
Further, the parameters monitored and controlled in the monitoring module include: the voltage, optical power and radio frequency level of the optical station module, the voltage, receiving level, transmitting level and transmission rate of the CM module, the voltage, signal amplitude and baseband rate of the BBU module, the voltage, modulation frequency point and the number of uplink and downlink channels of the AAU module.
Compared with the prior art, the utility model discloses a DOCSIS optical node and 5G communication cross fusion technique realize digital media 5G optical platform, provide wired wireless fusion access at the network access end, expand access terminal form, optimize the public welfare service effect of digital television network; the optical platform is in butt joint with the original DOCSIS forward transmission network of the broadcasting and television, and the construction cost of the forward transmission network is saved.
Drawings
FIG. 1 is a diagram of a DOCSIS-based 5G optical platform architecture in accordance with a preferred embodiment;
FIG. 2 is a schematic diagram of a BBU module of a preferred embodiment;
fig. 3 is a schematic diagram of the AAU module of a preferred embodiment.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that, the present invention is an improvement on the structure or circuit, and the related contents of signal transmission, signal processing, etc. can be realized by the prior art.
As shown in fig. 1 to 3, the 5G optical platform based on DOCSIS provided in this embodiment includes an optical station module 1, a CM module 2, a BBU module 3, an AAU module 4, and a monitoring module 5; the optical station module 1 is connected with the CM module 2, the CM module 2 is connected with the BBU module 3, the BBU module 3 is connected with the AAU module 4, and the monitoring module 5 is respectively connected with the optical station module 1, the CM module 2, the BBU module 3 and the AAU module 4;
the optical station module 1 is used for processing an input optical signal to obtain a radio frequency signal and inputting the obtained radio frequency signal into the CM module;
the CM module 2 is used for receiving radio frequency signals and converting the received radio frequency signals into IP signals;
the BBU module 3 is used for taking charge of baseband protocol processing, including the whole user plane and control plane protocol processing functions, and providing a return interface with a core network and an interconnection interface between base stations;
the AAU module 4 is used for realizing the conversion between baseband signals and radio frequency signals and the receiving and transmitting processing functions of 5G radio frequency signals;
and the monitoring module 5 is used for monitoring and controlling the performance indexes of the optical station module, the CM module, the BBU module and the AAU module.
The optical station module adopts a chip which is a ZBL5061 series two-port high-level output optical station, receives optical signals, realizes photoelectric conversion and radio frequency amplification functions, and outputs radio frequency signals; the CM module adopts a chip which is a CM8200 type modem product, supports the DOCSIS3.1 standard, converts radio frequency signals into IP signals and provides a network speed bandwidth up to 10 Gbps; the chip adopted by the monitoring module is a ZBL9801 series ARM controller.
The BBU module 3 comprises a transmission interface unit 6, a baseband unit 7 and a control unit 8; the transmission interface unit 6 is connected to the baseband unit 7, and the control unit 8 is connected to the transmission interface unit 6 and the baseband unit 7, respectively.
The AAU module 4 comprises an interface unit 9, a downlink signal processing unit 10, a power amplifier unit 11, a duplexer unit 12, a low-noise amplifier unit 13, an uplink signal processing unit 14 and an antenna 15; the interface unit 9 is respectively connected with the downlink signal processing unit 10 and the uplink signal processing unit 15, the downlink signal processing unit 10 is connected with the power amplification unit 11, the power amplification unit 11 is connected with the duplexer unit 12, the duplexer unit 12 is respectively connected with the antenna 13 and the low-noise amplification unit 14, and the low-noise amplification unit 14 is connected with the uplink signal processing unit 15.
A5G optical platform based on DOCSIS specifically is:
the optical station module 1 performs photoelectric conversion and radio frequency amplification processing on an input optical signal to obtain a radio frequency signal, the radio frequency signal is divided into two paths, one path is output through an RF wire, the other path is input into the CM module 2, the CM module 2 converts the input radio frequency signal into an IP signal to be output, the output IP signal is input into the BBU module 3 to perform baseband protocol processing, the baseband protocol processing function comprises the whole user plane and control plane protocol processing function, and a return interface between the optical station module and a core network and an interconnection interface between base stations are provided. The AAU module 4 connected to the BBU module 3 realizes conversion between baseband signals and radio frequency signals and a function of transmitting and receiving 5G radio frequency signals (i.e., 5G wireless output).
In this embodiment, the 5G radio frequency signal adopts a 700MHz frequency band and 4T4R transmission mode, which can effectively reduce transmission loss, improve coverage and reduce operation cost.
The parameters monitored and controlled in the monitoring module 5 include: the voltage, optical power and radio frequency level of the optical station module 1, the voltage, receiving level, transmitting level and transmission rate of the CM module 2, the voltage, signal amplitude and baseband rate of the BBU module 3, and the voltage, modulation frequency point and uplink and downlink channel number of the AAU module 4.
In this embodiment, a DOCSIS optical node and 5G communication cross-fusion technology is adopted to implement a digital media 5G optical platform, provide wired and wireless fusion access at a network access end, expand the access terminal form, and optimize the public service function of a digital television network. The optical platform is in butt joint with the original DOCSIS forwarding network of the broadcasting and television, so that the construction cost of the forwarding network is saved; the 5G radio frequency signal adopts a 700MHz frequency band and a 4T4R transmission mode, so that the transmission loss can be effectively reduced, the coverage range is improved, and the operation cost is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. A5G optical platform based on DOCSIS is characterized by comprising an optical station module, a CM module, a BBU module, an AAU module and a monitoring module; the optical station module is connected with the CM module, the CM module is connected with the BBU module, the BBU module is connected with the AAU module, and the monitoring module is respectively connected with the optical station module, the CM module, the BBU module and the AAU module;
the optical station module is used for processing the input optical signal to obtain a radio frequency signal and inputting the obtained radio frequency signal into the CM module;
the CM module is used for receiving the radio frequency signal and converting the received radio frequency signal into an IP signal;
the BBU module is used for taking charge of baseband protocol processing, including the whole user plane and control plane protocol processing functions, and providing a return interface with a core network and an interconnection interface between base stations;
the AAU module is used for realizing the conversion between the baseband signal and the radio frequency signal and the receiving and transmitting processing function of the 5G radio frequency signal;
and the monitoring module is used for monitoring and controlling the performance indexes of the optical station module, the CM module, the BBU module and the AAU module.
2. The DOCSIS-based 5G optical platform of claim 1, wherein the optical station module processes an input optical signal, wherein the processing is optical-to-electrical conversion and radio frequency amplification of the optical signal.
3. The DOCSIS-based 5G optical platform of claim 2, wherein the optical station module has a chip model of ZBL 5061; the CM module is a CM8200 type modem; the monitoring module is a ZBL9801 series ARM controller.
4. The DOCSIS-based 5G optical platform of claim 1, wherein the BBU module includes a transmission interface unit, a baseband unit, and a control unit; the transmission interface unit is connected with the baseband unit, and the control unit is respectively connected with the transmission interface unit and the baseband unit.
5. The DOCSIS-based 5G optical platform according to claim 1, wherein the AAU module includes an interface unit, a downlink signal processing unit, a power amplifier unit, a duplexer unit, a low noise amplifier unit, an uplink signal processing unit, and an antenna; the interface unit is connected with downlink signal processing unit and uplink signal processing unit respectively, downlink signal processing unit is connected with power amplifier unit, power amplifier unit and duplexer unit connection, duplexer unit is connected with antenna, low noise amplifier unit respectively, and the low noise amplifier unit is connected with uplink signal processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022005888.1U CN213072889U (en) | 2020-09-14 | 2020-09-14 | 5G optical platform based on DOCSIS |
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| CN202022005888.1U CN213072889U (en) | 2020-09-14 | 2020-09-14 | 5G optical platform based on DOCSIS |
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| CN213072889U true CN213072889U (en) | 2021-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978237A (en) * | 2022-05-07 | 2022-08-30 | 中国广电广州网络股份有限公司 | Method, device and system for forwarding DOCSIS data |
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- 2020-09-14 CN CN202022005888.1U patent/CN213072889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978237A (en) * | 2022-05-07 | 2022-08-30 | 中国广电广州网络股份有限公司 | Method, device and system for forwarding DOCSIS data |
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