CN111343520A - PON uplink data transmission method, system and device and PON system - Google Patents
PON uplink data transmission method, system and device and PON system Download PDFInfo
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- CN111343520A CN111343520A CN202010125142.6A CN202010125142A CN111343520A CN 111343520 A CN111343520 A CN 111343520A CN 202010125142 A CN202010125142 A CN 202010125142A CN 111343520 A CN111343520 A CN 111343520A
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- 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
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- 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
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
Abstract
The application relates to a PON uplink data transmission method, a PON uplink data transmission system, a PON uplink data transmission device and a PON system. When the PON master equipment is damaged, in order to ensure the transmission of the master service, data is transmitted through the PON slave equipment, and the transmission of extra service data is stopped at the moment; when the PON master equipment recovers from the fault, the main service data is switched to the PON master equipment again for transmission, and the extra service data continues to be transmitted by the PON slave equipment. The invention can avoid the PON terminal from being disconnected to the greatest extent and improve the utilization rate of the PON system.
Description
Technical Field
The application belongs to the technical field of passive optical networks, and particularly relates to a PON uplink data transmission method, a PON uplink data transmission system, a PON uplink data transmission device and a PON system.
Background
Compared with cable transmission, Optical fiber transmission has the advantages of large capacity, small loss, strong electromagnetic interference resistance and the like, so that along with the gradual reduction of the cost of Optical fiber transmission, the fiberization of an access Network is a necessary development trend, and a Passive Optical Network (PON) adopts Passive devices, which is the most potential technology for realizing a narrow-band Optical access Network. A PON is typically comprised of an optical Line terminal olt (optical Line terminal) located at a central office and a series of optical network terminals onu (optical Net units) located at customer premises.
Nowadays, broadband access networks are mainly implemented by PON (Passive Optical Network), and are evolving from the original narrowband PON technology and APON technology developed in the middle of the 90 th century to EPON, GPON, 10G EPON, XG PON and WDM-PON technologies that are now widely used.
At present, users rely on an ONU (Optical Network Unit) to implement services such as video and games. In addition, in some important places such as military affairs, hospitals, schools and banks, continuous online transmission of data is often required to be ensured, however, in the existing PON system, the ONU optical network terminal is frequently disconnected, which affects the continuous online transmission of data.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: solves the problems that in the prior art, in a PON system,
the ONU optical network terminal frequently has a disconnection, which affects the continuous online transmission of data, thereby providing a PON uplink data transmission method, a PON uplink data transmission system, a PON uplink data transmission device and a PON system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a first aspect of the present invention provides a PON uplink data transmission method, including:
in the service data sent by the user through the optical network terminal ONU equipment, the main service data is sent to the PON main equipment for transmission, and the extra service data is sent to the PON slave equipment for transmission;
if the PON master equipment fails, switching the master service data to PON slave equipment for transmission, and stopping the transmission of extra service data;
and if the PON master equipment recovers from the fault, the main service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment.
Further, according to the PON uplink data transmission method in the first aspect of the present invention, the method further includes:
detecting fault information of the PON master equipment in real time, and if the PON master equipment is detected to have a fault, sending a master and slave switching instruction containing the fault information of the PON master equipment according to the received fault information of the PON master equipment;
and if the PON master equipment is detected to recover from the fault, sending a master and slave switching instruction containing the PON master equipment fault recovery information according to the received PON master equipment fault recovery information.
Further, according to the PON uplink data transmission method in the first aspect of the present invention, the extra service data is low-level service data.
A second aspect of the present invention provides a PON uplink data transmission system, including:
the data selection module is used for sending main service data to the PON master device for transmission and sending extra service data to the PON slave device for transmission in the service data sent by the ONU equipment of the optical network terminal;
the equipment switching module is used for switching the main service data to the PON slave equipment for transmission and stopping the transmission of the extra service data if the PON master equipment fails; and if the PON master equipment is recovered to be normal, the master service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment.
Further, the PON uplink data transmission system according to the second aspect of the present invention further includes: the fault detection module is used for detecting the state of the PON master equipment and sending PON master equipment fault information to the logic control module when detecting that the PON master equipment has faults; and when the PON master device is detected to recover from the fault, sending PON master device fault recovery information to the logic control module.
Further, the PON uplink data transmission system according to the second aspect of the present invention further includes:
the logic control module is used for sending a master switching instruction and a slave switching instruction containing PON master equipment fault information to the equipment switching module according to the received PON master equipment fault information when the PON master equipment has a fault; and the device switching module is used for sending a master switching instruction and a slave switching instruction containing PON master failure recovery information to the device switching module according to the received PON master failure recovery information when the PON master failure recovers from the failure.
A third aspect of the present invention provides a PON uplink data transmission apparatus, including:
the PON master device is used for transmitting main service data sent by an optical network terminal ONU, and the PON slave device is used for transmitting extra service data sent by the optical network terminal ONU;
the logic controller is in communication connection with the PON master device and is used for sending a master-slave switching instruction when the PON master device is detected to generate faults or recover from the faults;
and the signal input end of the PON switching system is connected with the output end of the logic controller, the output end of the PON switching system is connected with the PON master device and the PON slave device, and the PON switching system is used for switching the work of the PON master device and the PON slave device when receiving a master-slave switching instruction.
Further, according to the PON uplink data transmission apparatus in the third aspect of the present invention, the logic controller is a CPU processor.
Further, according to the PON uplink data transmission apparatus of the third aspect of the present invention, the apparatus further includes an alarm, where the alarm is connected to an output end of the logic controller, and the logic controller is configured to control the alarm to alarm when receiving the PON master failure information.
A fourth aspect of the present invention provides a PON system comprising the PON upstream data transmission apparatus according to the third aspect of the present invention.
The invention has the beneficial effects that: the main service data sent by the optical network terminal ONU are transmitted in the PON master device, the extra service data are transmitted in the PON slave device, the main service data are switched to the slave device for transmission when the PON master device fails, and the main service data are continuously switched to the master device for transmission when the PON master device is recovered. The scheme of the invention can reduce the disconnection probability of the PON optical network terminal to the maximum extent and improve the utilization rate of the PON master and slave devices.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
Fig. 1 is a flowchart of an uplink data transmission method according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an uplink data transmission system according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of an uplink data transmission apparatus according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a PON system according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The present embodiment provides a PON uplink data transmission method, as shown in fig. 1, including:
in the service data sent by the ONU equipment of the optical network terminal, the main service data is sent to the PON master equipment for transmission, and the extra service data is sent to the PON slave equipment for transmission;
if the PON master equipment fails, switching the master service data to PON slave equipment for transmission, and stopping the transmission of extra service data;
and if the PON master equipment recovers from the fault, the main service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment.
In this embodiment, the PON system is provided with a PON master device and a PON slave device, and normally, main service data sent by the optical network terminal ONU device is transmitted through the PON master device, and extra service data sent by the optical network terminal ONU device is transmitted through the PON slave device.
If the PON master device fails, when an optical network terminal ONU at a client side sends service data, the main service data therein cannot be transmitted, so that the ONU is disconnected, and the main service data cannot be continuously transmitted online. In this embodiment, when the PON master device fails, the master service data is switched to the PON slave device in time for transmission, and the transmission of the extra service data is stopped. And when the PON master equipment is detected to be recovered to be normal, switching to the PON master equipment again to transmit the main service data, and continuing the transmission of the extra service data by the PON slave equipment.
Further, if the PON master equipment fails, sending a master-slave switching instruction according to the received fault information of the PON master equipment;
and if the PON master equipment recovers from the fault, sending a master-slave switching instruction according to the received fault recovery information of the PON master equipment.
In this embodiment, the fault information of the PON master device is detected in real time, and when a fault of the PON master device is detected, a master/slave switching instruction is sent according to the received fault information of the PON master device, and master service data sent by a user through an ONU is switched to the PON slave device to continue transmission, while extra service data stops transmission.
When the recovery of the PON master device from the fault state is detected again, a master/slave switching instruction is sent according to the received fault recovery information of the PON master device, the master service data sent by the user through the ONU is switched to the PON master device again for transmission, and the extra service data continues to be transmitted through the PON slave device.
The extra service data described in this embodiment is generally low-level service data.
The scheme of the invention can reduce the disconnection probability of the PON optical network terminal to the maximum extent and improve the utilization rate of the PON master and slave devices.
Example 2
The present embodiment provides a PON uplink data transmission system, as shown in fig. 2, including:
the data selection module is used for sending main service data to the PON master device for transmission and sending extra service data to the PON slave device for transmission in the service data sent by the ONU equipment of the optical network terminal;
the equipment switching module is used for switching the main service data to the PON slave equipment for transmission and stopping the transmission of the extra service data if the PON master equipment fails; if the PON master equipment is recovered to be normal, the main service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment;
a fault detection module, which is in communication connection with the PON master device and configured to detect a state of the PON master device, send fault information of the PON master device when detecting that the PON master device has a fault, and send fault recovery information when detecting that the fault is recovered;
the logic control module of this embodiment is in communication connection with the fault detection module, and is configured to send a master/slave switching instruction to the device switching module according to received fault information of the PON master device when the PON master device fails; and the device switching module is used for sending a master switching instruction and a slave switching instruction to the device switching module according to the received fault recovery information of the PON master device when the PON master device recovers from the fault.
In this embodiment, data sent by a user through an ONU includes main service data and extra service data (generally, low-level service data), the data selection module performs level judgment on the received service data, and if the data is the main service data, sends information to the device switching module, the device switching module sends the main service data to the PON main device for transmission, and if the data is the extra service data, sends information to the device switching module, and sends the extra service data to the PON slave device for transmission.
If the PON master device fails during the service data transmission process, the device switching module receives a master/slave switching instruction, and switches the master service data transmitted by the data selection module to the PON slave device for continuous transmission.
In this embodiment, the fault detection module detects fault information of the PON master device in real time, and when a fault of the PON master device is detected, sends the fault information of the PON master device to the logic control module, and the logic control module sends a master/slave switching instruction to the device switching module according to the received fault information of the PON master device, and the device switching module switches master service data sent by a user through the ONU to the PON slave device to continue transmission, while stopping transmission of additional service data.
When the recovery of the PON master device from the fault state is detected again, a master/slave switching instruction is sent to the device switching module according to the received fault recovery information of the PON master device, the master service data sent by the user through the ONU is switched to the PON master device again for transmission, and the extra service data continues to be transmitted through the PON slave device.
Example 3
A third aspect of the present invention provides a PON uplink data transmission apparatus, as shown in fig. 3, including:
the PON master device is used for transmitting main service data sent by an optical network terminal ONU, and the PON slave device is used for transmitting extra service data sent by the optical network terminal ONU;
the logic controller is in communication connection with the PON master device and is used for detecting the fault state of the PON master device and sending a master-slave switching instruction when detecting that the PON master device has a fault or recovers from the fault;
and a signal input end of the PON switching system is connected with a control output end of the logic controller, an output end of the PON switching system is connected with the PON master device and the PON slave device, and the PON switching system is used for switching the work of the PON master device and the PON slave device when receiving a master-slave switching instruction.
In this embodiment, the logic controller is a CPU processor, and is configured to implement and execute the functions of the fault detection module and the logic control module in embodiment 2. The CPU processor sends a detection signal to the PON master device in real time, receives response information of the PON master device when the PON master device works normally, cannot receive the response information of the PON master device when the PON master device fails, judges that the PON master device fails if the CPU processor does not receive the response information of the PON master device within set response time, and then sends a master-slave switching instruction containing PON master device failure information to the PON switching system. And if the CPU processor receives the response information of the PON master device again, the CPU processor judges that the PON master device recovers from the fault, and sends the master and slave switching commands containing the fault recovery information of the PON master device to the PON switching system again.
The PON switching system of this embodiment is used to implement the functions of the data selection module and the device switching module in embodiment 2. The PON switching system of this embodiment is connected to the CPU, and the specific working process of the PON switching system can refer to the working of the data selection module and the device switching module in embodiment 2.
Further, this embodiment has still set up the alarm, the alarm is connected to logic controller's output, logic controller is used for when receiving the information of PON master equipment trouble, and control alarm is reported to the police to remind the staff in time to inspect the PON master equipment.
Example 4
This embodiment 4 provides a PON system, which includes the PON uplink data transmission device according to embodiment 3 of the present invention.
As shown in fig. 3, the PON system further includes an ONU optical network terminal, an OLT optical line terminal, and an optical module, where service data sent by a user through the ONU optical network terminal is transmitted to the optical module through the PON master device and the PON slave device, and is photoelectrically converted by the optical module and then transmitted to the OLT optical line terminal.
The PON uplink data transmission device includes a PON switching system and a logic controller, and the specific working principle of the PON switching system and the logic controller is the same as that in embodiment 3.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (10)
1. A PON uplink data transmission method is characterized by comprising the following steps:
in the service data sent by the user through the optical network terminal ONU equipment, the main service data is sent to the PON main equipment for transmission, and the extra service data is sent to the PON slave equipment for transmission;
if the PON master equipment fails, switching the master service data to PON slave equipment for transmission, and stopping the transmission of extra service data;
and if the PON master equipment recovers from the fault, the main service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment.
2. The PON upstream data transmission method according to claim 1, further comprising:
detecting fault information of the PON master equipment in real time, and if the PON master equipment is detected to have a fault, sending a master and slave switching instruction containing the fault information of the PON master equipment according to the received fault information of the PON master equipment;
and if the PON master equipment is detected to recover from the fault, sending a master and slave switching instruction containing the PON master equipment fault recovery information according to the received PON master equipment fault recovery information.
3. The PON uplink data transmission method according to claim 1, wherein the extra traffic data is low-level traffic data.
4. A PON upstream data transmission system, comprising:
the data selection module is used for sending main service data to the PON master device for transmission and sending extra service data to the PON slave device for transmission in the service data sent by the ONU equipment of the optical network terminal;
the equipment switching module is used for switching the main service data to the PON slave equipment for transmission and stopping the transmission of the extra service data if the PON master equipment fails; and if the PON master equipment is recovered to be normal, the master service data is switched to the PON master equipment again for transmission, and the additional service data is continuously transmitted through the PON slave equipment.
5. The PON upstream data transmission system of claim 4, further comprising: the fault detection module is used for detecting the state of the PON master equipment and sending PON master equipment fault information to the logic control module when detecting that the PON master equipment has faults; and when the PON master device is detected to recover from the fault, sending PON master device fault recovery information to the logic control module.
6. The PON upstream data transmission system of claim 5, further comprising:
the logic control module is used for sending a master switching instruction and a slave switching instruction containing PON master equipment fault information to the equipment switching module according to the received PON master equipment fault information when the PON master equipment has a fault; and the device switching module is used for sending a master switching instruction and a slave switching instruction containing PON master failure recovery information to the device switching module according to the received PON master failure recovery information when the PON master failure recovers from the failure.
7. A PON upstream data transmission apparatus, comprising:
the PON master device is used for transmitting main service data sent by an optical network terminal ONU, and the PON slave device is used for transmitting extra service data sent by the optical network terminal ONU;
the logic controller is in communication connection with the PON master device and is used for sending a master-slave switching instruction when the PON master device is detected to generate faults or recover from the faults;
and the signal input end of the PON switching system is connected with the output end of the logic controller, the output end of the PON switching system is connected with the PON master device and the PON slave device, and the PON switching system is used for switching the work of the PON master device and the PON slave device when receiving a master-slave switching instruction.
8. A PON upstream data transmission apparatus as claimed in claim 7, wherein the logic controller is a CPU processor.
9. A PON uplink data transmission apparatus according to claim 8, further comprising an alarm connected to an output of the logic controller, the logic controller being configured to control the alarm to alarm when receiving PON master failure information.
10. A PON system comprising the PON upstream data transmission apparatus according to any one of claims 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125142.6A CN111343520A (en) | 2020-02-27 | 2020-02-27 | PON uplink data transmission method, system and device and PON system |
| PCT/CN2020/126182 WO2021169385A1 (en) | 2020-02-27 | 2020-11-03 | Pon uplink data transmission method, system and apparatus, and pon system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010125142.6A CN111343520A (en) | 2020-02-27 | 2020-02-27 | PON uplink data transmission method, system and device and PON system |
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| WO (1) | WO2021169385A1 (en) |
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| CN115242710A (en) * | 2022-08-02 | 2022-10-25 | 广东电网有限责任公司 | Data transmission channel switching system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025551A (en) * | 2010-12-23 | 2011-04-20 | 中兴通讯股份有限公司 | Method and device for switching master device to backup device based on access gateway |
| US20130148956A1 (en) * | 2011-12-09 | 2013-06-13 | Zte (Usa) Inc. | Equalization delay agnostic protection switching in protected passive optical networks |
| CN103701519A (en) * | 2013-12-18 | 2014-04-02 | 烽火通信科技股份有限公司 | Active/standby judging method for passive optical network |
| US20160134953A1 (en) * | 2014-11-12 | 2016-05-12 | Broadcom Corporation | Shared protection in optical networks |
| CN105591899A (en) * | 2014-10-22 | 2016-05-18 | 中兴通讯股份有限公司 | Service transmission method and apparatus |
| CN106331904A (en) * | 2015-06-15 | 2017-01-11 | 中兴通讯股份有限公司 | Method of distributing wavelength channels in passive optical network, optical line terminal and system |
| CN107040306A (en) * | 2017-03-14 | 2017-08-11 | 重庆邮电大学 | Maintain the optical-fiber network of service reliability grade is anti-to ruin algorithm under a kind of disaster state |
| CN108055071A (en) * | 2017-12-05 | 2018-05-18 | 全球能源互联网研究院有限公司 | A kind of data network and optical transport network coordinating protection method and device |
| CN110519798A (en) * | 2019-07-05 | 2019-11-29 | 广东电网有限责任公司 | A kind of fiber radio integration Internet resources distribution mechanism and income calculation method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431702B (en) * | 2008-12-18 | 2012-05-09 | 北京邮电大学 | Method for mutual protection of adjacent ONU |
| CN101877612B (en) * | 2010-06-30 | 2014-12-31 | 中兴通讯股份有限公司 | System for protecting optical link of passive optical network, device thereof and method thereof |
| CN103414510B (en) * | 2013-08-12 | 2016-04-13 | 浙江宇视科技有限公司 | A kind of EPON protection device and method |
| CN104768086B (en) * | 2014-01-07 | 2018-06-15 | 上海诺基亚贝尔股份有限公司 | The method and device of optical network unit intercommunication |
| JP2017038258A (en) * | 2015-08-11 | 2017-02-16 | 富士通株式会社 | PON system and user terminal |
-
2020
- 2020-02-27 CN CN202010125142.6A patent/CN111343520A/en active Pending
- 2020-11-03 WO PCT/CN2020/126182 patent/WO2021169385A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025551A (en) * | 2010-12-23 | 2011-04-20 | 中兴通讯股份有限公司 | Method and device for switching master device to backup device based on access gateway |
| US20130148956A1 (en) * | 2011-12-09 | 2013-06-13 | Zte (Usa) Inc. | Equalization delay agnostic protection switching in protected passive optical networks |
| CN103701519A (en) * | 2013-12-18 | 2014-04-02 | 烽火通信科技股份有限公司 | Active/standby judging method for passive optical network |
| CN105591899A (en) * | 2014-10-22 | 2016-05-18 | 中兴通讯股份有限公司 | Service transmission method and apparatus |
| US20160134953A1 (en) * | 2014-11-12 | 2016-05-12 | Broadcom Corporation | Shared protection in optical networks |
| CN106331904A (en) * | 2015-06-15 | 2017-01-11 | 中兴通讯股份有限公司 | Method of distributing wavelength channels in passive optical network, optical line terminal and system |
| CN107040306A (en) * | 2017-03-14 | 2017-08-11 | 重庆邮电大学 | Maintain the optical-fiber network of service reliability grade is anti-to ruin algorithm under a kind of disaster state |
| CN108055071A (en) * | 2017-12-05 | 2018-05-18 | 全球能源互联网研究院有限公司 | A kind of data network and optical transport network coordinating protection method and device |
| CN110519798A (en) * | 2019-07-05 | 2019-11-29 | 广东电网有限责任公司 | A kind of fiber radio integration Internet resources distribution mechanism and income calculation method |
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| WO2021169385A1 (en) | 2021-09-02 |
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Application publication date: 20200626 |