CN117061905A - Access system of FTTR whole house optical fiber - Google Patents

Access system of FTTR whole house optical fiber Download PDF

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Publication number
CN117061905A
CN117061905A CN202210483891.5A CN202210483891A CN117061905A CN 117061905 A CN117061905 A CN 117061905A CN 202210483891 A CN202210483891 A CN 202210483891A CN 117061905 A CN117061905 A CN 117061905A
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CN
China
Prior art keywords
fttr
interface
optical fiber
router
access system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210483891.5A
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Chinese (zh)
Inventor
程德
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Shenzhen Siqin Technology Co ltd
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Shenzhen Siqin Technology Co ltd
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Application filed by Shenzhen Siqin Technology Co ltd filed Critical Shenzhen Siqin Technology Co ltd
Priority to CN202210483891.5A priority Critical patent/CN117061905A/en
Publication of CN117061905A publication Critical patent/CN117061905A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects

Abstract

The invention provides an access system of an FTTR full-house optical fiber, which adopts an Ethernet protocol, and comprises: ONU equipment, optical switching equipment and a plurality of FTTR routers; deploying at least one of the FTTR routers in each room; the ONU equipment is respectively connected with the external Internet and the optical switching equipment through optical fibers; the optical switching device is also connected with each FTTR router optical fiber; the ONU equipment is used for accessing the external internet and distributing bandwidth to each FTTR router; the FTTR router is configured to connect to a user communication device through a communication interface so that the user communication device accesses the external internet. The access system of the invention adopts the Ethernet protocol, realizes that the user communication equipment accesses the external Internet through the access system of the FTTR full-house optical fiber, has low development cost and low development difficulty, and the home network adopts the Ethernet protocol internally, thereby having strong expansibility.

Description

Access system of FTTR whole house optical fiber
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to an access system of an FTTR (Fiber to The Room) full-house optical fiber laid to a far-end node).
Background
At present, the FTTR scheme is based on a P2MP (Point 2Multiple Point) model, the P2MP model references the models of an OLT (Optical Line Terminal ) and an ONU (Optical Network Unit, optical network unit) of a backbone network, and a small OLT and ONU system is built in a home local area network. The main OLT is an ONU in the external interconnection network and an OLT of the home local area network, and manages the optical route of each node in the home. However, the cost of the scheme is high, the main OLT needs to externally form ONUs, the OLT is internally formed, two groups of complex optical protocols are simultaneously carried out, and the requirements on a system architecture and a chip architecture are very high. The equipment provider either newly develops a chip or uses FPGA (Field Programmable Gate Array ) for simulation, the development cost is high, the development difficulty is high, and the home network is internally a private protocol, so that the expansibility is weak.
Disclosure of Invention
The invention aims to overcome the defects of high development cost, high development difficulty, private protocol inside a home network and weak expansibility in the prior art, and provides an FTTR full-house optical fiber access system.
The invention solves the technical problems by the following technical scheme:
the invention provides an access system of an FTTR full-house optical fiber, which adopts an Ethernet protocol, and comprises: ONU equipment, optical switching equipment and a plurality of FTTR routers;
deploying at least one of the FTTR routers in each room;
the ONU equipment is respectively connected with the external Internet and the optical switching equipment through optical fibers;
the optical switching device is also connected with each FTTR router optical fiber;
the ONU equipment is used for accessing the external internet and distributing bandwidth to each FTTR router;
the FTTR router is configured to connect to a user communication device through a communication interface so that the user communication device accesses the external internet.
Preferably, the ONU device includes an external communication module and an internal communication module, where the external communication module includes a first interface, and the internal communication module includes a second interface;
the optical switching device comprises a third interface and a fourth interface;
the first interface is connected with the external internet optical fiber, the second interface is connected with the third interface optical fiber, and the fourth interface is connected with the FTTR router optical fiber;
the external communication module is also in communication connection with the internal communication module;
the external communication module is used for accessing the external internet;
the intra-pair communication module is used for communicating with the FTTR routers through optical switching equipment and distributing bandwidth to each FTTR router.
Preferably, the intra-pair communication module is further configured to manage functions of the FTTR router through addresses of the FTTR router.
Preferably, the functions include at least one of a behavior management function, a MESH (MESH network) networking function, and a power consumption coordination function.
Preferably, the address of the FTTR router includes at least one of an IP (Internet Protocol ) address and a MAC (Media Access Control Address ) address.
Preferably, the communication interface includes at least one of a Wi-Fi (Wireless Fidelity, wireless internet surfing) interface, a USB (Universal Serial Bus ) interface, and a network cable interface.
Preferably, the ONU device further comprises a controller module;
the controller module is respectively and electrically connected with the external communication module and the internal communication module;
the controller module is used for transmitting and processing communication data according to an Internet of things protocol.
Preferably, the external communication module further includes a BOSA (Bi-Directional Optical Sub-Assembly) driving unit and a BOSA unit;
the BOSA driving unit is electrically connected with an XGPON (10G GPON)/GPON (a broadband passive optical integrated access technology) interface of the controller module and a first communication interface of the BOSA unit respectively;
the first interface of the external communication module is a second communication interface of the BOSA unit.
Preferably, the intra-pair communication module further comprises a fifth interface;
the fifth interface is electrically connected with the serial media independent interface of the controller module.
Preferably, the FTTR router is externally connected with a switching chip to expand the number of optical fiber interfaces or network cable interfaces.
The invention has the positive progress effects that: ONU equipment passes through optic fibre access external internet, ONU equipment still passes through optical switching equipment and a plurality of FTTR routers communication connection to distribute the bandwidth for each FTTR router, FTTR router passes through communication interface connection user communication equipment, and access system adopts the ethernet protocol, has realized that user communication equipment passes through the access system of FTTR whole house optic fibre and inserts external internet, and development cost is low, and the development degree of difficulty is little, and the inside ethernet protocol that adopts of home network, expansibility is strong.
Drawings
Fig. 1 is a schematic device connection diagram of an FTTR full house optical fiber access system according to a preferred embodiment of the present invention.
Fig. 2 is a schematic networking diagram of an example of an access system for FTTR full house optical fibers according to a preferred embodiment of the present invention.
Fig. 3 is a schematic hardware structure of an ONU device in an access system of an FTTR full-home optical fiber according to a preferred embodiment of the present invention.
Fig. 4 is a schematic hardware structure of an optical switching device of an example in an access system of an FTTR full house optical fiber according to a preferred embodiment of the present invention.
Fig. 5 is a schematic hardware structure diagram of an exemplary FTTR router in an access system for FTTR full house optical fibers according to a preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by means of the preferred embodiments, but the invention is not limited to the described embodiments.
The invention provides an access system of an FTTR full-house optical fiber, which adopts an Ethernet protocol. Referring to fig. 1, an access system includes: ONU device 1, optical switching device 2, and a plurality of FTTR routers 3.
At least one FTTR router 3 is deployed in each room.
The ONU device 1 is connected to the external internet and the optical switching device 2 by optical fibers, respectively.
The optical switching device 2 is also optically connected to each FTTR router 3.
The ONU device 1 is configured to access the external internet and allocate bandwidth to each FTTR router 3.
The FTTR router 3 is configured to connect to a user communication device through a communication interface so that the user communication device accesses the external internet.
Among them, since the access system uses an ethernet protocol (e.g., IEEE 802.3) and does not use OLT-ONU device pairs, a protocol for overall coordination of optical signals is not used, and an optical switching device is required to conform to the ethernet protocol specification. The optical switching equipment takes a switching chip with a plurality of serial media independent interfaces or other high-speed interfaces as a main control, and is externally connected with a plurality of optical fiber interfaces or network cable interfaces for expansion switching. The Serial media independent interface may include one or more of a HiSGMII (Hi-speed Serial Gigabit Media Independent Interface, high speed Serial gigabit media independent interface) interface, a SGMII (Serial Gigabit Media Independent Interface ) interface, and a UXSGMII (Universal Serial 10GE Media Independent Interface, universal Serial 10 gigabit media independent interface) interface.
The optical switching equipment has the advantages of high selectivity, mature technology, lower cost, low development difficulty and strong expandability.
User communication devices include, but are not limited to, wireless routers, wired routers, cell phones, computers, televisions, and speakers.
In this embodiment, the ONU device accesses the external internet through the optical fiber, and the ONU device is further connected to the multiple FTTR routers through the optical switching device in a communication manner, and distributes the bandwidth to each FTTR router, where the FTTR routers are connected to the user communication device through the communication interface, and the access system uses the ethernet protocol, so that the user communication device accesses the external internet through the access system of the FTTR full-house optical fiber, which has low development cost and small development difficulty, and the home network uses the ethernet protocol in the home network, which has strong expansibility.
In specific implementation, the ONU device 1 includes an external communication module 11 and an internal communication module 12, where the external communication module 11 includes a first interface 111, and the internal communication module 12 includes a second interface 121.
The optical switching device 2 comprises a third interface 21 and a fourth interface 22.
The first interface 111 is connected to an external internet optical fiber, the second interface 121 is connected to the third interface 21 by an optical fiber, and the fourth interface 22 is connected to the FTTR router 3 by an optical fiber.
The external communication module 11 is also in communication connection with the internal communication module 12.
The external communication module 11 is used for accessing the external internet.
The intra-pair communication module 12 is configured to communicate with the FTTR routers 3 via the optical switching device and allocate bandwidth to each FTTR router 3.
Wherein the optical switching device 2 implements one-to-many optical switching of FTTR optical signals.
In this embodiment, the ONU device accesses the external internet through the first interface to the external communication module, connects the third interface to the optical switching device through the second interface to the internal communication module, and connects the FTTR router through the fourth interface, that is, the ONU device is communicatively connected to the FTTR router through the internal communication module, and allocates bandwidth to each FTTR router through the internal communication module.
In particular, intra-pair communication module 12 is also configured to manage the functions of FTTR router 3 by the address of FTTR router 3.
In this embodiment, the intra-pair communication module of the ONU device identifies the corresponding FTTR router by the address of the FTTR router, so that the function of the FTTR router can be managed.
In particular implementations, the functions include at least one of a behavior management function, a MESH networking function, and a power consumption coordination function.
Wherein the behavior management function is used for managing the internet surfing behavior of the user (including the FTTR router), controlling and managing the use of the internet by the user, including but not limited to: user settings, user group settings, schedule management, application restriction functions, and application restriction policy management.
The MESH networking function is used for setting networking configuration of the FTTR router, so that the FTTR router performs networking according to a MESH mode.
The power consumption coordination function is used to regulate the transmission power of the FTTR router.
It is to be appreciated that the functions of the FTTR router may include, but are not limited to including, a behavior management function, a MESH networking function, and a power consumption coordination function.
In this embodiment, the ONU device may perform centralized function management on the FTTR router, so that the function management is more convenient and faster, and management efficiency is provided.
In particular, the address of FTTR router 3 includes at least one of an IP address and a MAC address.
In this embodiment, the ONU device may identify the IP address of the FTTR router, or may identify the MAC address of the FTTR router.
In particular embodiments, the communication interface includes at least one of a Wi-Fi interface, a USB interface, and a network cable interface.
In this embodiment, the access system of the FTTR full-house optical fiber may provide multiple networking modes for the user communication device through the communication interface, so as to meet the device networking requirement of the user, and the user may select an appropriate mode for device networking according to the actual configuration of the user communication device.
In practice, the ONU device 1 further comprises a controller module 13.
The controller module 13 is electrically connected to the external communication module 11 and the internal communication module 12, respectively.
The controller module 13 is used for transmitting and processing communication data according to the internet of things protocol.
The external communication module 11 and the internal communication module 12 can be in communication connection through the controller module 13. The external communication module 11 transmits communication data between the controller module 13 and the external internet, the internal communication module 12 transmits communication data between the controller module 13 and the FTTR router 3, and the controller module 13 transmits and processes the communication data according to the internet of things protocol.
In this embodiment, the controller module transmits and processes communication data of the ONU device in communication with the external internet and in communication with the FTTR router according to the internet of things protocol.
In specific implementation, the external communication module 11 further includes a BOSA driving unit 112 and a BOSA unit 113.
The BOSA driving unit 112 is electrically connected to the XGPON/GPON interface of the controller module 13 and the first communication interface of the BOSA unit 113, respectively.
The first interface of the external communication module 11 is a second communication interface of the BOSA unit 113.
In this embodiment, a specific implementation manner of the interface connection between the external communication module and the controller module is provided.
In particular, intra-pair communication module 12 also includes a fifth interface 122.
The fifth interface 122 is electrically connected to the serial media independent interface of the controller module 13.
In this embodiment, a specific implementation of the interface connection between the internal communication module and the controller module is provided.
In specific implementation, the FTTR router 3 is externally connected with a switching chip to expand the number of optical fiber interfaces or network cable interfaces.
The serial media independent interface of the FTTR router 3 may be externally connected with a switching chip, and according to the function of the switching chip, the interface of the FTTR router 3 is expanded into a plurality of communication interfaces (which may include an optical fiber interface and a network cable interface). For example, the serial media independent interface of the FTTR router 3 may be extended to one optical fiber interface and multiple network cable interfaces, or the serial media independent interface of the FTTR router 3 may be extended to multiple optical fiber interfaces.
Specific examples are as follows:
(1) The exchange chip adopts RTL8367SC, and can expand the serial media independent interface (such as HiSGMII interface) of the FTTR router 3 into 1 optical fiber interface (through an optical module) and at most 5 network cable interfaces.
(2) The exchange chip adopts RTL8371, and can expand the serial media independent interface (such as the HiSGMII interface) of the FTTR router 3 to 8 optical fiber interfaces at most.
An example of the hardware composition of an access system for FTTR full house fiber is provided below.
Fig. 2 shows a networking schematic diagram, and an access system of an FTTR full house optical fiber includes an ONU device, an optical switching device, and a plurality of FTTR routers and connected optical fibers. The ONU device accesses the external internet through a 10G (Gbps, gigabit per second) bandwidth optical fiber. The ONU device is further connected to the optical switching device by an optical fiber with a bandwidth of 2.5G. The optical switching device is also connected to 4 FTTR routers through 4 optical fibers with a bandwidth of 2.5G, respectively. The FTTR router is connected with a plurality of wireless routers (1 to n, n is a positive integer) through a Wi-Fi interface. Other user communication equipment such as mobile phones, computers and the like can be connected with the wireless router for networking, and can also be connected with the FTTR router for networking.
Fig. 3 shows a schematic diagram of a hardware structure of an ONU device, and no supporting circuits such as a power supply are shown in the figure.
The ONU equipment adopts an RTL9617CM chip, and takes a Quad ARM A55cores (arithmetic core) of the RTL9617CM chip as a controller module. The Xgo (XGPON)/GPON interface of the RTL9617CM chip connects the BOSA driving unit and the BOSA unit with 10G bandwidth, as an external communication module. HiSGMII interface of RTL9617CM chip connects an SFP (optical module) with 2.5G bandwidth to provide an optical fiber interface with 2.5G bandwidth as an intra-pair communication module.
In addition, the RTL9617CM chip has 4 GMAC (gigabit MAC) interfaces, which can be used as an electrical port switching module to provide additional network cable interfaces that can be used for networking and management of ONU devices.
Fig. 4 shows a schematic hardware configuration of the optical switching device.
The optical switching device adopts an RTL8371 chip, the RTL8371 chip has 8 HiSGMII interfaces with 2.5G bandwidth, and the HiSGMII interfaces can be used as a third interface and a fourth interface, for example, 1 HiSGMII interface can be selected as the third interface, and the other 7 HiSGMII interfaces can be used as the fourth interface. In the figure, 4 HiSGMII interfaces of an RTL8371 chip provide 4 optical fiber interfaces with 2.5G bandwidth through SFPs respectively connected with 4 2.5G bandwidths; the other 4 HiSGMII interfaces are respectively connected with an RTL8221 chip and an electric connector in sequence to provide 4 network cable interfaces with 2.5G bandwidth.
Fig. 5 shows a schematic diagram of the hardware architecture of the FTTR router.
The FTTR router adopts an IPQ5018 chip, can provide Wi-Fi6 signals in a 2G frequency band through a 2G WIFI6 interface, can also provide Wi-Fi6 signals in a 5G frequency band through a QCN6102 chip connected with a PCIE (Peripheral Component Interconnect Express, high-speed serial computer expansion bus standard) interface, and is used for wireless networking. The HiSGMII interface of the IPQ5018 chip is connected with the RTL8367SC chip (an optical switching chip), an optical fiber interface with the bandwidth of 2.5G and a network cable interface with the bandwidth of 5 GE (gigabit) at most can be expanded, the HiSGMII interface of the IPQ5018 chip in the figure provides an optical fiber interface with the bandwidth of 1.5G through being connected with an SFP with the bandwidth of 1.5G, and the GMAC interface of the IPQ5018 chip provides a network cable interface with the bandwidth of 3 GE through being connected with an electric connector with the bandwidth of 3 GE.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims (10)

1. An access system for FTTR full house optical fibers, wherein the access system employs an ethernet protocol, the access system comprising: ONU equipment, optical switching equipment and a plurality of FTTR routers;
deploying at least one of the FTTR routers in each room;
the ONU equipment is respectively connected with the external Internet and the optical switching equipment through optical fibers;
the optical switching device is also connected with each FTTR router optical fiber;
the ONU equipment is used for accessing the external internet and distributing bandwidth to each FTTR router;
the FTTR router is configured to connect to a user communication device through a communication interface so that the user communication device accesses the external internet.
2. The FTTR full-house optical fiber access system of claim 1, wherein said ONU arrangement comprises an external communication module and an internal communication module, said external communication module comprising a first interface, said internal communication module comprising a second interface;
the optical switching device comprises a third interface and a fourth interface;
the first interface is connected with the external internet optical fiber, the second interface is connected with the third interface optical fiber, and the fourth interface is connected with the FTTR router optical fiber;
the external communication module is also in communication connection with the internal communication module;
the external communication module is used for accessing the external internet;
the intra-pair communication module is used for communicating with the FTTR routers through optical switching equipment and distributing bandwidth to each FTTR router.
3. The FTTR full house optical fiber access system of claim 2, wherein said intra-pair communication module is further configured to manage the functionality of said FTTR router via the address of said FTTR router.
4. The FTTR full house optical fiber access system of claim 3, wherein said functions comprise at least one of a behavior management function, a MESH networking function, and a power consumption coordination function.
5. The FTTR full house optical fiber access system of claim 3, wherein the address of said FTTR router comprises at least one of an IP address and a MAC address.
6. The FTTR full house optical fiber access system of claim 1, wherein said communication interface comprises at least one of a Wi-Fi interface, a USB interface, and a network cable interface.
7. The FTTR full house optical fiber access system of claim 2, wherein said ONU arrangement further comprises a controller module;
the controller module is respectively and electrically connected with the external communication module and the internal communication module;
the controller module is used for transmitting and processing communication data according to an Internet of things protocol.
8. The FTTR full house optical fiber access system of claim 7, wherein said external communication module further comprises a BOSA drive unit and a BOSA unit;
the BOSA driving unit is electrically connected with the XGPON/GPON interface of the controller module and the first communication interface of the BOSA unit respectively;
the first interface of the external communication module is a second communication interface of the BOSA unit.
9. The FTTR full house optical fiber access system of claim 7, wherein said intra-pair communication module further comprises a fifth interface;
the fifth interface is electrically connected with the serial media independent interface of the controller module.
10. The FTTR full house optical fiber access system of claim 1, wherein the FTTR router is externally connected to a switching chip to expand the number of optical fiber interfaces or network cable interfaces.
CN202210483891.5A 2022-05-05 2022-05-05 Access system of FTTR whole house optical fiber Pending CN117061905A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210483891.5A CN117061905A (en) 2022-05-05 2022-05-05 Access system of FTTR whole house optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210483891.5A CN117061905A (en) 2022-05-05 2022-05-05 Access system of FTTR whole house optical fiber

Publications (1)

Publication Number Publication Date
CN117061905A true CN117061905A (en) 2023-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210483891.5A Pending CN117061905A (en) 2022-05-05 2022-05-05 Access system of FTTR whole house optical fiber

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