CN115442186A - Fusion gateway based on cable television network - Google Patents
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- CN115442186A CN115442186A CN202210971861.9A CN202210971861A CN115442186A CN 115442186 A CN115442186 A CN 115442186A CN 202210971861 A CN202210971861 A CN 202210971861A CN 115442186 A CN115442186 A CN 115442186A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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Abstract
The invention provides a convergence gateway based on a cable television network, which comprises: the main end of the cable television network is accessed through the optical network unit equipment and the set-top box, and the sub-end of each terminal access equipment is connected; the main end comprises a coaxial, electric power, ethernet, a WLAN controller and a global master control system; the coaxial, power, ethernet and WLAN controllers are coaxial, power, ethernet and WLAN transmission link female terminals; the coaxial and electric power adopt G.hn2.0 technical standard, the global master control system is used for carrying out unified configuration and scheduling on the coaxial, electric power, ethernet and WLAN transmission links; the sub-terminals are divided into coaxial sub-terminals and power sub-terminals, and communicate with the main terminal through corresponding transmission media. The invention can fully utilize various physical transmission links such as coaxial lines, power lines, network lines, WIFI (wireless fidelity) and the like in a family, realize network coverage in a main terminal and sub terminal networking mode through different transmission links, and get through the data transmission barriers among all links, thereby achieving the using effects of whole house coverage of a kilomega network and the kilomega to a desktop.
Description
Technical Field
The application relates to the technical field of cable television networks, in particular to a convergence gateway based on a cable television network.
Background
With the improvement of life quality, no matter leisure and entertainment, students go to a net class or work at home, users have more and more requirements on high-quality wireless networks in homes, and the traditional wireless network generated by only one router is difficult to meet the requirements of the users.
The existing whole house covering scheme in the market at present:
the first one is router wireless bridging, mesh (wireless Mesh network) networking (wireless backhaul), which improves signal strength to some extent, but has a relationship with router performance, and through wireless transmission, interference is large, and stability is poor.
The other mode is Mesh networking (wired backhaul) and AC + AP networking (AC + AP is a networking scheme for large-sized residences, and is a WLAN system, where each corner in a home can maintain good network connection, an AC (Wireless Access Point Controller) is an Access Controller, an AP (Wireless Access Point) is a Wireless Access Point, and the Access Controller is an Access control device for a Wireless local area network and is responsible for aggregating data from different APs and accessing the data to the Internet, and simultaneously completing control functions such as configuration management of the AP device, authentication of Wireless users, management, broadband Access, security and the like) through wired transmission, the transmission is stable, the signal quality is stable, but a lot of line transformation is required from giga to a desktop, a network line, a power plug and an AP panel need to be preset in advance, the configuration is complex, certain network knowledge needs to be possessed, and the method is not suitable for common users.
Disclosure of Invention
In view of the above, the invention provides a convergence gateway based on a cable television network, which can make full use of all physical links in a home to build a networking, solve the problem of home network coverage, and achieve the effect of gigabit network full-house coverage; and the user experience is promoted by supporting the deployment mode of plug-and-play automatic networking. The invention solves the problems that the networking configuration of the existing whole house coverage networking is complex, the wireless networking is not good in use experience, the wired networking needs to preset network cables in advance or rewire and the like, and also solves the technical problem that the gigabit experience cannot be achieved due to low transmission bandwidth based on coaxial cables in the prior art.
Therefore, the invention provides the following technical scheme:
the invention provides a convergence gateway based on a cable television network, which comprises: the main end of the cable television network is accessed through the optical network unit equipment and the set top box, and the sub-end of each terminal access equipment is connected;
the main end comprises a coaxial, electric power, an Ethernet, a WLAN controller and a global master control system; the coaxial, power, ethernet and WLAN controllers are coaxial, power, ethernet and WLAN transmission link female terminals; the coaxial and electric power adopt G.hn2.0 technical standards, and the global master control system is used for uniformly configuring and scheduling the coaxial, electric power, ethernet and WLAN transmission links;
the sub-end is divided into a coaxial sub-end and a power sub-end and is communicated with the main end through a corresponding transmission medium; the terminal access equipment has Wi-Fi and Ethernet access capabilities.
Further, the global general control system is used for performing unified configuration and scheduling on the coaxial, power, ethernet and WLAN transmission links, and includes:
the electric power and coaxial controller reports information statistics values of respective domains to the global master control system in real time;
the global master control system generates configuration parameters for each domain according to the reported information of the controller;
the controller informs all nodes in the domain of the received configuration parameters, and is responsible for registration, admission, bandwidth reservation and operation management behaviors of node equipment in the respective domain.
Further, the global master control system generates configuration parameters for each domain according to the reported information of the controller, and the configuration parameters include:
the global master control system inserts buffering in the configuration parameters to increase the driving capability of the front stage.
Further, when data interaction is required between different media or different domains, the global master control system performs data bridging uniformly, generates routing table items, and transmits the routing table items to each controller uniformly.
Further, the child terminal uses a vlan to distinguish and isolate the traffic.
Furthermore, the main end coaxial interface supports POC power supply, and the Ethernet interface supports POE power supply.
Furthermore, the fusion gateway is used for building a whole-house coverage networking for hotels, guesthouses, people's accommodations and small office places.
Further, the convergence gateway can use different preset links inside the home to realize distributed networking of a main terminal and a plurality of sub terminals.
Furthermore, the convergence gateway can distribute multiple services among an internet access service, a time shift service, an on-demand service, a review service, a multi-screen interaction service, an intelligent home service and a health management service based on a cable television network through different transmission links.
Further, the convergence gateway can be used for plug and play automatic networking.
The invention has the advantages and positive effects that:
the cable television network-based convergence gateway provided by the invention integrates cable television services, not only supports the transmission of power lines and coaxial lines based on G.hn2.0, but also supports the transmission of network lines and WIFI, can fully utilize various physical transmission links such as the coaxial lines, the power lines, the network lines, the WIFI and the like in a family, realizes network coverage in a main terminal and sub terminal networking mode through different transmission links through the convergence gateway, and breaks through data transmission barriers among the links, thereby achieving the use effects of gigabit network whole-house coverage and gigabit-to-desktop use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of an internal structure of a convergence gateway in an embodiment of the present invention;
fig. 2 is a schematic diagram of external connection of a convergence gateway according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an implementation of a high-quality home internet by using a convergence gateway according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 3, the convergence gateway based on the cable television network in the embodiment of the present invention mainly includes: a main terminal and a sub terminal.
The main end can be connected with the ONU and the set-top box device through the internal interconnection port so as to access the cable television network. The main end is responsible for the exchange and forwarding of all service data and the management control of all hardware, the pairing management, the state monitoring and the configuration issuing of all sub-end (coaxial + electric power) equipment, and the exchange and forwarding of the service data of the sub-end.
The sub-terminal is connected with each terminal access device, and is responsible for forwarding the service data of each terminal access device. The sub-terminal is divided into a coaxial sub-terminal and a power sub-terminal, IP data can be modulated into coaxial or power signals to be transmitted in corresponding media, and VLAN is used for distinguishing and isolating services. The terminal access equipment has Wi-Fi and Ethernet access capabilities. The user mobile terminal can use a Wi-Fi connection sub-terminal, and the set top box, the PC, the router, the NAS and other devices can use an Ethernet connection sub-terminal. The coaxial line has the advantages of interference resistance, large bandwidth, low delay and no packet loss in transmission quality, can support 2G at most, has more stable transmission performance and larger bandwidth, is not limited by a use environment, does not need to be rewired, and realizes high-performance and high-reliability transmission of services. The product has flexible and various deployment modes, namely the coaxial sub-terminal is used as main coverage, and the power sub-terminal is used as supplementary coverage, so that the requirement that a user can experience high-quality network connection at any position of the whole house is met.
Specifically, the main end adopts a modular design, and can realize the transmission and distribution of services in a coaxial, power, network cable and WIFI four-link mode. Hn is a set of protocol specifications about power lines, telephone lines and coaxial cables, and the standard can integrate resources of existing twisted-pair lines, coaxial cables and power lines to realize uniform transmission. The network interconnection method solves the problem that the existing buildings and the existing homes of operators are difficult to wire, realizes a networking technology which provides high bandwidth and multiple services based on the existing pipeline resources, and has the highest data transmission rate of 2Gbit/s. Service providers can take advantage of the g.hn plug and play network operating mode and the greater g.hn device connectivity, significantly reducing installation and operating costs. In order to further improve the performance of the equipment, the coaxial and electric power in the application adopts the G.hn2.0 technical standard, the working frequency band of the G.hn2.0 is 5-200 MHz, and after the frequency is spread to 200MHz, the line speed of the network bandwidth can theoretically reach 2.044Gbps. Compared with the G.hn1.0 technical standard (the working frequency band of the G.hn1.0 is 5-85MHz, 410 subcarriers are used in the working frequency band, the subcarrier interval is 195.3125KHz, each subcarrier can maximally reach 4096QAM modulation, and the physical layer rate can reach 843Mbps theoretically), the power frequency range and the network bandwidth linear speed are greatly improved.
The main end includes: coaxial, power, ethernet, WLAN controller and global bus system.
Wherein:
coaxial, power, ethernet, WLAN controller: one Master End corresponds to a plurality of child ends (End points) which are transmission link Master ends (Master points), and the child ends can be used after being matched with the Master ends;
the global master control system comprises: the routing switching module is used for switching the routing; the control module is responsible for the management control of each hardware; the route switching module uses the route and switching technology to forward the service data message. The global master control system in the fusion gateway is internally provided with a global routing module, which performs unified and centralized integration on routing processing capabilities originally dispersed in different devices, performs unified routing configuration on different domains, and performs unified collection and management on data in different domains of different links (electric power, coaxial, ethernet and WLAN). And according to the load condition of each domain in the fusion gateway, issuing appropriate parameters for each domain in real time, and then informing all nodes in the domain of the parameters by the domain controller.
The global master control system realizes the uniform routing configuration of different domains as follows:
s1, domain controllers of the power domain and the coaxial domain report information statistics values of the domains to a global master control system in the fusion gateway in real time.
And S2, the global master control system generates configuration parameters for each domain according to the reported information of the domain controller.
If excessive crosstalk possibly exists, the general control system inserts a Buffer into the domain configuration parameters, and the driving capability of the front stage is increased.
And S3, the domain controller informs all the nodes in the domain of the received configuration parameters of the global master control system, and is responsible for registration, admission, bandwidth reservation and other operation management behaviors of node equipment in the respective domain.
And S4, when data interaction is required between different media or different domains, the master control system uniformly bridges the data, generates routing table items and uniformly sends the routing table items to the controllers of the domains.
The G.hn-based products on the market are all presented in independent product forms. That is, power equipment supports power transmission, and coaxial equipment supports only coaxial transmission. The convergence gateway device in the embodiment of the present application supports data exchange transmission via different transmission media in the g.hn standard or multiple network domains in the same transmission medium, and includes a coaxial domain, a power domain, and simultaneously integrates ethernet and WLAN data transmission capabilities. And a unique global master control system is used for carrying out uniform routing configuration on all domain managers under the G.hn standard and the WLAN module, carrying out network flow processing on a Logical Link Control (LLC) sub-layer and carrying out cross-domain configuration coordination. And meanwhile, the global master control module mutually coordinates different domains of the G.hn running in the same medium to avoid excessive crosstalk. The method solves the problems that under the current G.hn standard, one domain consists of nodes which are directly communicated and directly connected with each other, each domain operates independently, communication needs to be carried out between the domains in a bridging mode, routing setting needs to be carried out between the domains, between the domains and WLAN and Ethernet modules respectively, uniform routing and service configuration cannot be carried out, coordination and sharing cannot be carried out between different domains in the same transmission medium, and excessive crosstalk possibly exists. Meanwhile, the problem that each G.HN device can only manage and transmit data in one domain in one transmission medium and can not achieve unified scheduling among different media and domains is solved.
In another embodiment, the development requirements of future services are considered in the product architecture design, and after the broadcast and television 5G service lands, the functions of converting 5G to WIFI, deep coverage of indoor 5G services and the like can be realized by adding service modules such as a 5G CPE and a household 5G airplane station.
The gateway broadband service is divided into two modes of bridging and routing:
a. in the bridge connection mode, broadband data is in VLAN1, the gateway sends the VLAN1 data to ONU equipment through a GPON interface, a user dials PPPoE through a personal router and connects a sub-end with a router LAN interface, and the user can surf the internet by connecting to any sub-end.
b. In the routing mode, PPPoE dialing is carried out by the gateway, and a user can surf the internet after connecting any sub-terminal without dialing by an additional router. In this mode, the GPON interface is in VLAN10, the user interface is in VLAN1, and interworking is achieved by inter-VLAN routing.
The gateway TV service is fixed in a bridge mode, TV data is in VLAN2, and the gateway sends the VLAN2 data to ONU equipment through a GPON interface. The TV service is used by the set-top box, and the set-top box completes authentication and acquires an IP address through a DHCP and a metropolitan area network gateway.
The convergence gateway in the above embodiment is a product which is powered by g.hn2.0 technical standard + POC coaxial power supply technology + POE ethernet in the national cable television industry for the first example, transmits and converges high-throughput data by using a coaxial cable access network resource, and supplies power to a coaxial sub-terminal through a coaxial cable. The network port of the sub-terminal supports both broadband and TV services. The convergence gateway integrates the technologies of Ethernet, wi-Fi, electric Moden (G.hn) and coaxial Moden (G.hn), and realizes a high-quality home Internet by relying on a unique coaxial transmission link of broadcasting and television. The convergence gateway can make full use of all physical transmission links such as coaxial lines, power lines, network lines and WIFI in a family to get through data transmission barriers among all links, so that the using effects of gigabit network whole-house coverage and gigabit-to-desktop are achieved, and the deployment mode of plug-and-play automatic networking is supported. The convergence gateway is a gateway product with high performance, modularization, full scene and multiple services, and is suitable for medium-end and high-end family users and group customers. Specifically, for a home user: the convergence gateway can fully use different preset links in a family to realize one-to-N (one main terminal and a plurality of sub terminals) distributed networking, and can solve the problem of large-area residential network coverage of three rooms, four rooms, compound buildings and the like by multi-point and multi-area placement of the sub terminals. Aiming at group users: a whole-house coverage networking can be built for hotels, guesthouses, people's accommodations, small office places and the like through the fusion gateway. Different products of high, medium and low grades are developed to face different customer groups.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or may not be executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A convergence gateway based on a cable television network, comprising:
the main end of the cable television network is accessed through the optical network unit equipment and the set-top box, and the sub-end of each terminal access equipment is connected;
the main end comprises a coaxial cable, electric power, an Ethernet, a WLAN controller and a global master control system; the coaxial, power, ethernet and WLAN controllers are coaxial, power, ethernet and WLAN transmission link female terminals; the coaxial and electric power adopt G.hn2.0 technical standards, and the global master control system is used for uniformly configuring and scheduling the coaxial, electric power, ethernet and WLAN transmission links;
the sub-end is divided into a coaxial sub-end and a power sub-end and is communicated with the main end through a corresponding transmission medium; the terminal access equipment has Wi-Fi and Ethernet access capabilities.
2. The converged gateway based on cable television network according to claim 1, wherein the global total control system is used for unified configuration and scheduling of coaxial, power, ethernet and WLAN transmission links, and comprises:
the electric power and coaxial controller reports information statistics values of respective domains to the global master control system in real time;
the global master control system generates configuration parameters for each domain according to the reported information of the controller;
the controller informs all nodes in the domain of the received configuration parameters, and is responsible for registration, admission, bandwidth reservation and operation management behaviors of node equipment in the respective domain.
3. The convergence gateway based on the cable television network as claimed in claim 2, wherein the global master control system generates configuration parameters for each domain according to the reported information of the controller, comprising:
the global master control system inserts buffering in the configuration parameters to increase the driving capability of the front stage.
4. The convergence gateway based on the cable television network as claimed in claim 2, wherein when data interaction is required between different media or different domains, the global master control system performs data bridging uniformly, generates routing table entries, and issues the routing table entries to each controller uniformly.
5. A cable network-based convergence gateway as claimed in claim 1 wherein the child node uses VLANs to differentiate and isolate traffic.
6. The converged gateway based on cable television network of claim 1, wherein the primary-side coaxial interface supports POC power over Ethernet interface and the Ethernet interface supports POE power over Ethernet.
7. The converged gateway based on the cable television network, according to claim 1, wherein the converged gateway is used for building a whole-house coverage network for hotels, guest houses, residential accommodations and small office spaces.
8. The converged gateway according to claim 1, wherein the converged gateway is capable of implementing a main-end multi-sub-end distributed networking using different links preset inside a home.
9. The converged gateway based on the cable television network of claim 1, wherein the converged gateway is capable of distributing multiple services among an internet access service, a time shift service, an on-demand service, a review service, a multi-screen interaction service, an intelligent home service, and a health management service based on the cable television network via different transmission links.
10. The converged gateway of claim 1, wherein the converged gateway is capable of plug-and-play ad hoc networking.
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