CN212785656U

CN212785656U - Broadcasting and TV 5G fuses light platform

Info

Publication number: CN212785656U
Application number: CN202022110866.1U
Authority: CN
Inventors: 郑新源
Original assignee: Hangzhou Xingenuo Technology Co ltd
Current assignee: Hangzhou Xingenuo Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-03-23
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a broadcasting and TV 5G fusion optical platform, which comprises a wavelength division multiplexer, an optical receiving module, an ONU module, an EOC local side module, a BBU module and an AAU module; a wavelength division multiplexer for separating an input optical signal into a TV optical signal and a 10GEPON optical signal; the optical receiving module is used for processing the input TV optical signal and outputting a TV radio frequency signal; the ONU module is used for converting the input 10GEPON optical signal and outputting an IP signal; the EOC local side module is used for converting the IP signals to obtain radio frequency signals, mixing the radio frequency signals with input TV radio frequency signals and outputting the radio frequency signals; 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; and the AAU module is used for realizing the conversion of the baseband signal and the radio frequency signal and the receiving and transmitting processing function of the 5G radio frequency signal.

Description

Broadcasting and TV 5G fuses light platform

Technical Field

The utility model relates to a radio and television technical field especially relates to a broadcasting and TV 5G fuses light platform.

Background

China radio and television has a wired bidirectional network with PON + EOC as the mainstream technology. With the multi-screen development of the user terminal, especially the popularization and application of the intelligent mobile terminal, broadcasting and television are more and more passive in competition.

For example, CN102694783A discloses a triple play multi-service optoelectronic integrated network element, which relates to the technical field of signal transmission and solves the technical problem of reducing the repeated investment. The network element comprises an optical transmitter, an OLT, an optical receiver, an ONU, a distributor, an EOC local side modem, an EOC terminal modem and a separator; the optical receiver is internally provided with a photoelectric conversion module, a radio frequency amplification module, a signal distribution module and a mixer; an optical signal output port of the optical transmitter is connected to the mixer through the photoelectric conversion module, the radio frequency amplification module and the signal distribution module; a PON module and a data exchange module are arranged in the ONU; an optical signal interface of the OLT is connected to the mixer through the PON module, the data exchange module and the EOC local side modem; and the mixed signal interface of the mixer is connected to the EOC terminal modem through the distributor and the separator. The network element provided by the invention can reduce the repeated investment and effectively utilize network resources. Although the broadcasting television signal and the Ethernet data can be transmitted by only laying the coaxial cable, the Ethernet signal transmission cable does not need to be additionally laid. However, for the current 5G operation, how to fully utilize the original network resources, make good use of the advantages and avoid the disadvantages, and adopt the differentiated construction, which occupies a place in the 5G operation, is an urgent problem in the broadcast and television industry.

In view of the above technical problems, it is desirable to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a broadcasting and TV 5G fuses light platform.

In order to realize the above purpose, the utility model adopts the following technical scheme:

a broadcast and television 5G fusion optical platform comprises a wavelength division multiplexer, an optical receiving module, an ONU module, an EOC local side module, a BBU module and an AAU module; the wavelength division multiplexer is respectively connected with the optical receiving module and the ONU module, the EOC local side module is respectively connected with the optical receiving module and the ONU module, the ONU module is connected with the BBU module, and the BBU module is connected with the AAU module;

a wavelength division multiplexer for separating an input optical signal into a TV optical signal and a 10GEPON optical signal;

the optical receiving module is used for processing the input TV optical signal and outputting a TV radio frequency signal;

the ONU module is used for converting the input 10GEPON optical signal and outputting an IP signal;

the EOC local side module is used for converting the IP signals to obtain radio frequency signals, mixing the radio frequency signals with input TV radio frequency signals and outputting the radio frequency signals;

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;

and the AAU module is used for realizing the conversion of the baseband signal and the radio frequency signal and the receiving and transmitting processing function of the 5G radio frequency signal.

Further, the wavelength of the TV optical signal separated by the wavelength division multiplexer is 1550 nm; the wavelength of the 10GEPON optical signal is 1577nm &1270 nm.

Further, the light receiving module processes the input TV light signal, wherein the processing mode includes photoelectric conversion and radio frequency amplification.

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 5G radio frequency signal is transmitted by adopting a transmission mode of 4T4R at a 700MHz frequency band.

Furthermore, the chip model adopted by the EOC local side module is MSE1000, and two MAC layer protocol modes of CSMA and TDMA are supported simultaneously, wherein the physical bandwidth is 1000 Mbps.

Further, the ONU module uses a chip model of HN8245Q, and supports the 10GEPON standard.

Further, the chip type adopted by the light receiving module is ZBL 5432; the wavelength division multiplexer adopts a chip model of SUN-CWDM-55.

Compared with the prior art, the utility model adopts the PON + EOC technology and the 5G communication cross fusion technology, realizes the broadcast and television 5G fusion optical platform, provides wired and wireless fusion access at the network access end, expands the access terminal shape, and optimizes the public service function of the digital television network; the optical platform is in butt joint with the existing PON forwarding network of the broadcasting and television, and the construction cost of the forwarding network is saved.

Drawings

FIG. 1 is a block diagram of a broadcast 5G fusion light platform of 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 broadcast and television 5G fusion optical platform provided in this embodiment includes a wavelength division multiplexer 1, an optical receiving module 2, an ONU module 3, an EOC local side module 4, a BBU module 5, and an AAU module 6.

The wavelength division multiplexer 1 is respectively connected with the optical receiving module 2 and the ONU module 3, the EOC local side module 4 is respectively connected with the optical receiving module 2 and the ONU module 3, the ONU module 3 is connected with the BBU module 5, and the BBU module 5 is connected with the AAU module 6;

a wavelength division multiplexer 1 for separating an input optical signal into a TV optical signal and a 10GEPON optical signal;

the optical receiving module 2 is used for processing the input TV optical signal and outputting a TV radio frequency signal;

the ONU module 3 is used for converting the input 10GEPON optical signal and outputting an IP signal;

the EOC local side module 4 is used for converting the IP signals to obtain radio frequency signals, mixing the radio frequency signals with input TV radio frequency signals and outputting the radio frequency signals;

the BBU module 5 is responsible for baseband protocol processing, including the whole user plane and control plane protocol processing functions, and provides a backhaul interface with a core network and an interconnection interface between base stations;

and the AAU module 6 is used for realizing the conversion between the baseband signal and the radio frequency signal and the transceiving processing function of the 5G radio frequency signal.

A broadcasting and TV 5G fuses optical platform signal transmission specifically does:

after the optical signal is input into the wavelength division multiplexer 1, the wavelength division multiplexer 1 separates a TV optical signal with a wavelength of 1550nm and a 10GEPON optical signal with a wavelength of 1577nm &1270 nm. The TV optical signal with 1550nm wavelength is input into the optical receiving module 2 to realize the photoelectric conversion and radio frequency amplification functions, and the optical receiving module 2 outputs the TV radio frequency signal and inputs the TV radio frequency signal into the EOC local side module 4. The 10GEPON optical signal having a wavelength of 1577nm &1270nm is input to the ONU module 3, and the ONU module 3 converts the 10GEPON optical signal having a wavelength of 1577nm &1270nm into an IP signal and inputs the IP signal to the EOC central office module 4. The EOC local side module 4 converts the input IP signal into a radio frequency signal, mixes the radio frequency signal with the TV radio frequency signal, and outputs (i.e., radio frequency RF cable output).

The BBU module is responsible for baseband protocol processing, including 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 realizes the conversion between baseband signals and radio frequency signals and the transceiving processing function of 5G radio frequency signals (i.e. 5G wireless output).

As shown in fig. 2, the BBU module 5 includes a transmission interface unit 7, a baseband unit 8, and a control unit 9; the transmission interface unit 7 is connected to the baseband unit 8, and the control unit 9 is connected to the transmission interface unit 7 and the baseband unit 8, respectively. The BBU module 5 is responsible for baseband protocol processing, including the whole user plane and control plane protocol processing functions, and provides a backhaul interface with the core network and an interconnection interface between base stations.

As shown in fig. 3, the AAU module 6 includes an interface unit 10, a downlink signal processing unit 11, a power amplifier unit 12, a duplexer unit 13, an antenna 14, a low-noise amplifier unit 15, and an uplink signal processing unit 16; the interface unit 10 is connected with the downlink signal processing unit 11 and the uplink signal processing unit 16 respectively, the downlink signal processing unit 11 is connected with the power amplification unit 12, the power amplification unit 12 is connected with the duplexer unit 13, the duplexer unit 13 is connected with the antenna 14 and the low noise amplification unit 15 respectively, and the low noise amplification unit 15 is connected with the uplink signal processing unit 16. The AAU module realizes the conversion of baseband signals and radio frequency signals and the receiving and transmitting processing functions of 5G radio frequency signals. 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.

In this embodiment, the wavelength division multiplexer 1 may be a wavelength division multiplexer of a SUN-CWDM-55 type, in which a common end inputs an optical signal with three wavelengths of 1577nm &1550nm &1270nm, a transmission end transmits the optical signal with 1550nm, and a reflection end reflects an optical signal with two wavelengths of 1577nm &1270 nm.

The optical receiving module 2 can adopt a ZBL5432 series two-port high-level output optical receiving module, receives TV optical signals with 1550nm wavelength, realizes photoelectric conversion and radio frequency amplification functions, and outputs TV radio frequency signals.

The ONU module 3 may use a product having a model number of HN8245Q, supports the 10GEPON standard, and converts a 10GEPON optical signal having a wavelength of 1577nm and 1270nm into an IP signal.

The EOC module 4 can adopt a chip scheme with the type of MSE1000, and simultaneously supports two MAC layer protocol modes of CSMA and TDMA, and the physical bandwidth is 1000 Mbps.

In the embodiment, a PON + EOC technology and a 5G communication cross fusion technology are adopted to realize a broadcast and television 5G fusion optical platform, wired and wireless fusion access is provided at a network access end, the form of the access terminal is expanded, and the public service function of a digital television network is optimized; the optical platform is in butt joint with the original PON 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

1. A broadcast and television 5G fusion optical platform is characterized by comprising a wavelength division multiplexer, an optical receiving module, an ONU module, an EOC local side module, a BBU module and an AAU module; the wavelength division multiplexer is respectively connected with the optical receiving module and the ONU module, the EOC local side module is respectively connected with the optical receiving module and the ONU module, the ONU module is connected with the BBU module, and the BBU module is connected with the AAU module;

2. The broadcasting and TV 5G fusion optical platform as claimed in claim 1, wherein the wavelength of the TV optical signal separated by the wavelength division multiplexer is 1550 nm; the wavelength of the 10GEPON optical signal is 1577nm &1270 nm.

3. The broadcast-television 5G fusion optical platform as claimed in claim 1, wherein the light receiving module processes the input TV optical signal, wherein the processing includes photoelectric conversion and radio frequency amplification.

4. The broadcasting and TV 5G fusion optical platform as claimed in 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 broadcasting and TV 5G fusion optical platform as claimed in claim 1, wherein the AAU module comprises 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.

6. The broadcast and television 5G fusion optical platform as claimed in claim 5, wherein the 5G radio frequency signal is transmitted in a transmission mode of 4T4R at a frequency band of 700 MHz.

7. The broadcast and television 5G integrated optical platform as claimed in claim 1, wherein the EOC local side module adopts a chip type of MSE1000, and simultaneously supports two MAC layer protocol modes of CSMA and TDMA, and has a physical bandwidth of 1000 Mbps.

8. The broadcasting and TV 5G integrated optical platform as claimed in claim 1, wherein the ONU module employs a chip model HN8245Q, which supports 10GEPON standard.

9. The broadcasting and TV 5G fusion optical platform as claimed in claim 1, wherein the light receiving module employs a chip model of ZBL 5432; the wavelength division multiplexer adopts a chip model of SUN-CWDM-55.