CN101902274A - Method for monitoring data transmission and optical network unit - Google Patents
Method for monitoring data transmission and optical network unit Download PDFInfo
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- CN101902274A CN101902274A CN2010102387275A CN201010238727A CN101902274A CN 101902274 A CN101902274 A CN 101902274A CN 2010102387275 A CN2010102387275 A CN 2010102387275A CN 201010238727 A CN201010238727 A CN 201010238727A CN 101902274 A CN101902274 A CN 101902274A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0773—Network aspects, e.g. central monitoring of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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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
- H04Q2011/0083—Testing; Monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1301—Optical transmission, optical switches
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Abstract
The invention discloses a monitoring for data transmission and an optical network unit. The method is applied to a passive optical network (PON) and comprises the following steps: the optical network unit (ONU) receives state information of a monitored device, which is transmitted by a monitoring device, wherein the state information of the monitored device comprises device environment information and/or device power supply information; and the ONU transmits the state information of the monitored device to a network management server. In the invention, the ONU is connected to the existing environment/power supply monitoring device so as to monitor the states of the environment and power supply of various electronic devices, thereby realizing monitoring data transmission in the PON network and expanding the functions of the ONU.
Description
Technical field
The present invention relates to EPON (Passive Optical Network the is called for short PON) field of the communications industry, in particular to a kind of method and optical network unit (Optical Network Unit is called for short ONU) of monitor data transmission.
Background technology
Along with the development of broadband access technology, operator accepts just gradually and deployed fiber access network (Optical Access Network is called for short OAN), in order to more rapid rate and higher-quality service to be provided to the user.
PON is a kind of optical fiber access technology of point-to-multipoint.Fig. 1 is the system architecture diagram of prior art PON.As shown in Figure 1, PON is made up of optical line terminal (Optical Line Terminal is called for short OLT), Optical Distribution Network (Optical Distribution Network is called for short ODN) and ONU, and an OLT can connect the schematic diagram of a plurality of ONU by ODN.PON is compared to traditional networking mode and mainly contains following some advantage:
(1) between local side (as OLT) and the user (as ONU) optical passive components such as optical fiber, optical branching device is only arranged, need not to rent machine room, need not to be equipped with power supply, need not the active equipment attendant.Therefore, can reduce operation and maintenance expenses greatly for the equipment owner uses; Comprise and reduce installation, management and operation cost, improve rate of return on investment, increase new profit chance, retain its competitive edge for a long time etc.
(2) adopt single fiber wavelength-division multiplex technique (descending 1490nm, up 1310nm), only need a trunk optical fiber and an OLT, transmission range can reach 40 kilometers at most.Give maximum 64 users in the ONU side by the optical branching device branch, therefore can reduce the cost pressure of OLT and trunk optical fiber greatly
(3) the PON system provides very high bandwidth, and the bandwidth that provides at present is all more than gigabit, and along with the development of technology improves constantly again, bandwidth capacity is also in continuous growth.
(4) the PON system can provide the redundant configuration that inserts according to actual needs when networking, has guaranteed the reliability of circuit.
Along with the equipment that the user has is more and more, there is considerable user to wait facility environment and power supply ruuning situation to pay special attention to have communication, hope can be monitored it in real time.Though there has been traditional facilities and administration system that the environment and the power supply situation of equipment such as communication are monitored, connect monitoring computer or connect network output monitoring warning information by serial ports as watch-dog by netting twine, but along with the advantage of PON is more and more obvious, use more and more widely, these places have more and more possessed the condition that PON inserts.
At present, the access device in these places all is ONU, but ONU in the market only provides circuit emulation service (Circuit Emulation Service, be called for short CES), speech business or based on the data service of physics network interface RJ45.In addition, what most of watch-dogs were taked substantially owing to the reason of cost all is serial ports (as RS-232, RS-485, RS-422) form, as the output interface of monitor message.
In realizing process of the present invention, the inventor recognizes that there is following defective in prior art: existing PON network is not supported the transmission of monitor data.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and optical network unit of monitor data transmission, to solve the problem that above-mentioned existing PON does not support the monitor data transmission.
According to an aspect of the present invention, a kind of method of monitor data transmission is provided, be applied to passive optical network PON, comprise: optical network unit ONU receives the monitored device state information that watch-dog sends, and the monitored device state information comprises facility environment information and/or device power supply (DPS) information; ONU is sent to NM server with the monitored device state information.
Preferably, in the technical program, NM server manages the subset of watch-dog as ONU, and method also comprises: ONU receives NM server and sends the watch-dog parameter that is associated with ONU; ONU is sent to corresponding watch-dog with the watch-dog parameter; Watch-dog is configured according to the watch-dog parameter.
Preferably, in the technical program, if watch-dog adopts serial ports and ONU to carry out transfer of data, then ONU receives the watch-dog parameter that is associated with ONU of the network data form of NM server transmission; ONU is converted into the watch-dog parameter of network data form the watch-dog parameter of serial ports form; ONU is sent to corresponding watch-dog with the watch-dog parameter of serial ports form; Watch-dog is configured according to the watch-dog parameter.If watch-dog adopts network interface and ONU to carry out transfer of data, then ONU receives the watch-dog parameter that is associated with ONU of the network data form of NM server transmission; ONU is sent to corresponding watch-dog with the watch-dog parameter of network data form; Watch-dog is configured according to the watch-dog parameter.
Preferably, in the technical program, if watch-dog adopts serial ports and ONU to carry out transfer of data, then ONU receives the monitored device state information of the serial ports form of watch-dog transmission; ONU is converted into the monitored device state information of serial ports form the monitored device state information of network data form; ONU is sent to NM server with the monitored device state information of network data form.If or watch-dog adopts network interface and ONU to carry out transfer of data, then ONU receives the monitored device state information of the network data form that watch-dog sends; ONU is sent to NM server with the monitored device state information of network data form.
Preferably, in the technical program, the monitored device state information that ONU receives the watch-dog transmission specifically comprises: ONU intercepts watch-dog, receives the monitored device state information that watch-dog sends in real time; Or ONU reception watch-dog comprises the monitored device state information to the response message of the status query request of NM server in the response message.
Preferably, in the technical program, ONU is sent to NM server with the monitored device state information and specifically comprises: by optical line terminal OLT, in the mode of TCP or UDP, ONU is sent to NM server with the monitored device state information.
According to a further aspect in the invention, a kind of ONU of monitor data transmission is provided, has been applied to passive optical network PON, having comprised: receiver module, be used to receive the monitored device state information that watch-dog sends, the monitored device state information comprises facility environment information and/or device power supply (DPS) information; Sending module is used for the monitored device state information is sent to NM server.
Among the present invention,, the environment and the power supply situation of each class of electronic devices are monitored, realized the transmission of monitor data in the PON network, expanded the function of ONU by ONU being connected existing environment/Power Supply Monitoring equipment.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the system architecture diagram of prior art PON;
Fig. 2 is according to PON system architecture diagram in the inventive method embodiment one monitor data transmission method;
Fig. 3 is the flow chart according to the inventive method embodiment one monitor data transmission method;
Fig. 4 is the flow chart according to the inventive method embodiment four monitor data transmission methods;
Fig. 5 is the schematic diagram according to apparatus of the present invention embodiment one monitor data transmission ONU;
Fig. 6 is the connection diagram according to apparatus of the present invention embodiment one monitor data transmission ONU.
Embodiment
The method and apparatus that various embodiments of the present invention provide with existing environment/Power Supply Monitoring equipment, is incorporated among the operation maintenance and management of PON system, thereby has expanded the business function of ONU, has protected user's existing investment and equipment.
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Below by specific embodiments and the drawings the present invention is described in further details.
Method embodiment one:
Fig. 2 is according to PON system architecture diagram in the inventive method embodiment one monitor data transmission method.Than Fig. 1, Fig. 2 has increased NM server and environment and power monitoring equipment.As shown in Figure 2, NM server links to each other with OLT by INTERNET; OLT links to each other with ONU by ODN, and ONU contains a serial ports at least or network interface is used for being connected with environment/Power Supply Monitoring equipment.
Fig. 3 is the flow chart according to the inventive method embodiment one monitor data transmission method.As shown in Figure 3, present embodiment comprises:
Step S302, optical network unit ONU receives the monitored device state information that watch-dog sends, and the monitored device state information comprises facility environment information and/or device power supply (DPS) information;
Step S304, ONU is sent to NM server with the monitored device state information.
The method that present embodiment provides is utilized existing environment and power monitoring equipment, provides interface and environment and power monitoring equipment to communicate, and has realized the transmission of monitor data in the PON network.
Method embodiment two:
With reference to Fig. 2, in the present embodiment, ONU is connected by serial ports with watch-dog.Present embodiment will be on the basis of method embodiment one, and the situation that adopts serial ports to carry out transfer of data to watch-dog describes.Present embodiment comprises that three kinds of situation: ONU initiatively monitor monitor data and ONU transmits monitor data; ONU transmits the watch-dog configuration parameter.
ONU initiatively monitors in the situation of monitor data, may further comprise the steps: ONU intercepts the data-message that watch-dog produces on serial ports; Produce in case find serial data, then ONU receives the serial data of watch-dog; ONU is encapsulated as the network data message with serial data; ONU is in the mode of TCP or UDP, and the monitor data process OLT with the network data message format is sent on the corresponding NM server; NM server is resolved network packet, is reduced to environment and power monitoring information, analyzes and adds up.
ONU transmits in the situation of monitor data, may further comprise the steps: NM server produces inquiry or configuring request, passes through OLT in the mode of network data message and is transmitted to ONU; ONU is converted to the network data message serial ports message and issues environment and power monitoring equipment by self serial ports; After environment and power monitoring equipment is received the serial data message, resolve to inquiry or the configuration order of self, execution result is returned to ONU by serial ports; ONU is converted to the network data message with the serial data message again and transmits, and is transmitted to NM server by OLT; NM server finally resolves to visible results with the network data message.
ONU transmits in the situation of watch-dog configuration parameter, may further comprise the steps: NM server disposes the watch-dog parameter that is associated with ONU, and it is encapsulated as the network data message; NM server is sent to OLT in the mode of TCP or UDP by internet; OLT is transmitted to corresponding ONU with it; ONU passes through the serial data forwarding module, and according to the serial ports stipulations, is translated into the discernible form of watch-dog and is sent to watch-dog by serial ports, thereby realizes environment and power monitoring equipment is configured.
In the present embodiment, serial ports is for satisfying the RS-232 agreement, RS-485 agreement, or the interface of RS-422 agreement.Present embodiment utilizes existing environment and power monitoring equipment, obtain environment and power monitoring information to PON system network management server, and the relevant information by NM server configuration surroundings Power Supply Monitoring equipment, thereby watch-dog is incorporated among the operation management of PON system, expand the range of application of PON network, made things convenient for the supervision and the management of watch-dog.
Method embodiment three:
With reference to Fig. 2, in the present embodiment, ONU is connected by network interface with watch-dog.Present embodiment will be on the basis of method embodiment one, and the situation that adopts network interface to carry out transfer of data to watch-dog describes.Present embodiment comprises that two kinds of situation: ONU transmit monitor data; ONU transmits the watch-dog configuration parameter.
ONU transmits in the situation of monitor data, may further comprise the steps: watch-dog sends to ONU with monitor data in the mode of network message; ONU is transmitted to OLT by the optical fibre light splitting device; OLT is transmitted to NM server again with it; NM server is resolved network packet, is reduced to environment and power monitoring information, analyzes and adds up, thereby reached environment and power information supervision effect.
ONU transmits in the situation of watch-dog configuration parameter, and may further comprise the steps: NM server manages the part of watch-dog as ONU, the watch-dog parameter that configuration is associated with ONU; NM server is encapsulated as the network data message with it, and the mode with TCP or UDP is sent to OLT by internet, and OLT is transmitted to corresponding ONU with it; ONU gives watch-dog by network interface with data message forwarding; Watch-dog is resolved data message, thereby realizes environment and power monitoring equipment is configured.
In the present embodiment, network interface is the interface that satisfies the RJ-45 agreement.Present embodiment has the beneficial effect identical with method embodiment two, no longer repeats herein.
Method embodiment four:
Fig. 4 is the flow chart according to the inventive method embodiment four monitor data transmission methods.As shown in Figure 4, present embodiment comprises:
Step 402: NM server setting or inquiry environment and power monitoring facility information;
Step 404: NM server is converted into the IP datagram literary composition with the NM server operation, issues OLT in the mode of TCP or UDP;
Step 406:OLT is transmitted to corresponding ONU with the IP datagram literary composition;
Step 408:ONU is converted into the serial data message with the network data message;
Step 410:ONU issues environment and power monitoring equipment by serial ports with data;
Step 412: environment and power monitoring equipment is handled serial data, generates corresponding Serial Port Information according to message content;
Step 414: environment and power monitoring equipment is issued ONU by serial ports with data;
Step 416:ONU is converted into the network data message with the serial data message;
Step 418:ONU is the network data message, sends to OLT in the mode of TCP or UDP;
Step 420:OLT is transmitted to NM server with the IP datagram literary composition;
Step 422: NM server is resolved the IP datagram literary composition, produces final visualization result.
Present embodiment is the specific implementation process of method embodiment two, and has whole beneficial effects of method embodiment two, no longer repeats herein.
Device embodiment one:
Present embodiment provides a kind of ONU of monitor data transmission, is applied to passive optical network PON.Fig. 5 is the schematic diagram according to apparatus of the present invention embodiment one monitor data transmission ONU.As shown in Figure 5, above-mentioned ONU comprises: receiver module 502, be used to receive the monitored device state information that watch-dog sends, and the monitored device state information comprises facility environment information and/or device power supply (DPS) information; Sending module 506 is used for the monitored device state information is sent to NM server.
In the present embodiment, if watch-dog adopts serial ports to carry out transfer of data, then ONU comprises that also string network interface forwarding module 504, one ends link to each other with receiver module 502, and the other end links to each other with sending module 506.Receiver module specifically is used to receive the monitored device state information of the serial ports form that watch-dog sends; String network interface forwarding module is used for the monitored device state information of serial ports form is converted into the monitored device state information of network data form; Sending module specifically is used for the monitored device state information of network data form is sent to NM server.In addition, NM server manages the subset of watch-dog as ONU.Receiver module also is used to receive the watch-dog parameter that is associated with ONU of the network data form that NM server sends; String network interface forwarding module also is used for the watch-dog parameter of network data form is converted into the watch-dog parameter of serial ports form; Sending module also is used for the watch-dog parameter of serial ports form is sent to corresponding watch-dog.
In the present embodiment, if watch-dog adopts network interface to carry out transfer of data, receiver module then specifically is used to receive the monitored device state information of the network data form that watch-dog sends; Sending module specifically is used for the monitored device state information of network data form is sent to NM server.In addition, NM server manages the subset of watch-dog as ONU, and receiver module also is used to receive the watch-dog parameter that is associated with ONU of the network data form that NM server sends; Sending module also is used for the watch-dog parameter of network data form is sent to corresponding watch-dog.
Fig. 6 is the connection diagram according to apparatus of the present invention embodiment one monitor data transmission ONU.As shown in Figure 6, ONU equipment is made up of EPON media interviews controls (PONMAC) part and two layers of exchange (L2 SWITCH) two parts usually.The present invention has increased string network interface forwarding module and reception/sending module in order to realize the mutual conversion of serial data and network data after two layers of exchange.The data of receiving to network interface (Network-Network Interface the is called for short NNI) side joint of NM server at ONU are the network data message, are serial data in the ONU serial ports side that links to each other with watch-dog.Because the operation flow of EPON media interviews controls (PON MAC) part is not an emphasis of the present invention, therefore repeats no more herein.
The method that present embodiment is realized can reference method embodiment one to four related description, and have whole beneficial effects of the foregoing description, no longer repeat herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a monitor data transmission is applied to passive optical network PON, it is characterized in that, comprising:
Optical network unit ONU receives the monitored device state information that watch-dog sends, and described monitored device state information comprises facility environment information and/or device power supply (DPS) information;
Described ONU is sent to NM server with described monitored device state information.
2. method according to claim 1 is characterized in that, described NM server manages the subset of described watch-dog as ONU, and described method also comprises:
Described ONU receives NM server and sends the watch-dog parameter that is associated with described ONU;
Described ONU is sent to corresponding watch-dog with described watch-dog parameter;
Described watch-dog is configured according to described watch-dog parameter.
3. method according to claim 2 is characterized in that:
If described watch-dog adopts serial ports and described ONU to carry out transfer of data, then described ONU receives the watch-dog parameter that is associated with described ONU of the network data form of NM server transmission; Described ONU is converted into the watch-dog parameter of described network data form the watch-dog parameter of serial ports form; Described ONU is sent to corresponding watch-dog with the watch-dog parameter of described serial ports form; Described watch-dog is configured according to described watch-dog parameter;
If described watch-dog adopts network interface and described ONU to carry out transfer of data, then described ONU receives the watch-dog parameter that is associated with described ONU of the network data form of NM server transmission; Described ONU is sent to corresponding watch-dog with the watch-dog parameter of described network data form; Described watch-dog is configured according to described watch-dog parameter.
4. method according to claim 2 is characterized in that:
If described watch-dog adopts serial ports and described ONU to carry out transfer of data, then described ONU receives the monitored device state information of the serial ports form of described watch-dog transmission; Described ONU is converted into the monitored device state information of described serial ports form the monitored device state information of network data form; ONU is sent to NM server with the monitored device state information of described network data form; Or
If described watch-dog adopts network interface and described ONU to carry out transfer of data, then described ONU receives the monitored device state information of the network data form of described watch-dog transmission; Described ONU is sent to NM server with the monitored device state information of described network data form.
5. according to each described method among the claim 1-4, the monitored device state information that described ONU receives the watch-dog transmission specifically comprises:
Described ONU intercepts described watch-dog, receives the monitored device state information that described watch-dog sends in real time; Or
Described ONU receives the response message of watch-dog to the status query request of described NM server, comprises the monitored device state information in the described response message.
6. according to each described method among the claim 1-4, it is characterized in that,
Described ONU is sent to NM server with the monitored device state information and specifically comprises: by optical line terminal OLT, in the mode of TCP or UDP, ONU is sent to described NM server with described monitored device state information.
7. the ONU of a monitor data transmission is applied to passive optical network PON, it is characterized in that, comprising:
Receiver module is used to receive the monitored device state information that watch-dog sends, and described monitored device state information comprises facility environment information and/or device power supply (DPS) information;
Sending module is used for described monitored device state information is sent to NM server.
8. ONU according to claim 7 is characterized in that, described NM server manages the subset of described watch-dog as ONU,
Described receiver module also is used to receive the watch-dog parameter that is associated with described ONU that NM server sends;
Described sending module also is used for described watch-dog parameter is sent to corresponding watch-dog.
9. ONU according to claim 8 is characterized in that, if described watch-dog adopts serial ports and described ONU to carry out transfer of data, then described ONU also comprises string network interface forwarding module,
Described receiver module is used to receive the monitored device state information of the serial ports form that described watch-dog sends; Described string network interface forwarding module is used for the monitored device state information of described serial ports form is converted into the monitored device state information of network data form; Described sending module is used for the monitored device state information of described network data form is sent to NM server; And/or
Described receiver module also is used to receive the watch-dog parameter that is associated with described ONU of the network data form that NM server sends; Described string network interface forwarding module also is used for the watch-dog parameter of described network data form is converted into the watch-dog parameter of serial ports form; Described sending module also is used for the watch-dog parameter of described serial ports form is sent to corresponding watch-dog.
10. ONU according to claim 8 is characterized in that, if described watch-dog adopts network interface and described ONU to carry out transfer of data, then
Described receiver module is used to receive the monitored device state information of the network data form that described watch-dog sends; Described sending module is used for the monitored device state information of described network data form is sent to NM server; And/or
Described receiver module also is used to receive the watch-dog parameter that is associated with described ONU of the network data form that NM server sends; Described sending module also is used for the watch-dog parameter of described network data form is sent to corresponding watch-dog.
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| CN2010102387275A CN101902274A (en) | 2010-07-21 | 2010-07-21 | Method for monitoring data transmission and optical network unit |
| PCT/CN2010/077756 WO2012009889A1 (en) | 2010-07-21 | 2010-10-14 | Method and optical network unit for monitoring data transmission |
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| CN2010102387275A CN101902274A (en) | 2010-07-21 | 2010-07-21 | Method for monitoring data transmission and optical network unit |
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| CN102098177A (en) * | 2011-01-28 | 2011-06-15 | 中兴通讯股份有限公司 | Network management system and method for monitoring power supply thereof |
| WO2012100491A1 (en) * | 2011-01-28 | 2012-08-02 | 中兴通讯股份有限公司 | Network management system and power supply monitoring method thereof |
| WO2012155723A1 (en) * | 2011-09-20 | 2012-11-22 | 中兴通讯股份有限公司 | Epon system and backup power management method for terminal thereof |
| WO2021093464A1 (en) * | 2019-11-12 | 2021-05-20 | 华为技术有限公司 | Data recombination method and apparatus |
| CN112866308A (en) * | 2019-11-12 | 2021-05-28 | 华为技术有限公司 | Data reorganization method and device |
| CN112866308B (en) * | 2019-11-12 | 2023-03-10 | 华为技术有限公司 | Data reorganization method and device |
| US12034654B2 (en) | 2019-11-12 | 2024-07-09 | Huawei Technologies Co., Ltd. | Data reassembly method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012009889A1 (en) | 2012-01-26 |
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