WO2015192332A1 - 一种通信的方法、装置及系统 - Google Patents
一种通信的方法、装置及系统 Download PDFInfo
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- WO2015192332A1 WO2015192332A1 PCT/CN2014/080152 CN2014080152W WO2015192332A1 WO 2015192332 A1 WO2015192332 A1 WO 2015192332A1 CN 2014080152 W CN2014080152 W CN 2014080152W WO 2015192332 A1 WO2015192332 A1 WO 2015192332A1
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- technical specification
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Classifications
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07953—Monitoring or measuring OSNR, BER or Q
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/34—Signalling channels for network management communication
- H04L41/344—Out-of-band transfers
-
- 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
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
-
- 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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0799—Monitoring line transmitter or line receiver equipment
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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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
-
- 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
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
-
- 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
- H04Q2011/0088—Signalling aspects
Definitions
- the present invention relates to the field of communications, and in particular, to a method, device, and system for communication.
- FTTx Fiber To The X, Guangxiang Qianji J x, than the mouth FTTh is Guangxiang thousand people, FTTB is fiber to the building
- PON Passive Optical Network
- the PON central office uses a backbone fiber, which can be divided into dozens or more optical fiber to connect users, greatly reducing the cost of network construction. It is the most economical and effective technical means of FTTx.
- EPON Error Network Passive Optical Network
- GPON Gigabit Passive Optical Network
- IP Internet Protocol
- the next generation of EPON is divided into two types, one is asymmetric 10G-EPON, the downlink rate is 10Gb/s, and the uplink rate is 1.25Gb/s; the other is symmetric 10G-EPON, the uplink and downlink rates are all 10Gb/s, currently 10G -
- the EPON standard has been developed and the trial office is started.
- NG-P0N 1 Next Generation Passive Optical Network
- the downlink rate is 10Gb/s and the uplink rate is 2.5Gb/. s
- the other type is NG-P0N2, which uses the TWDM-P0N (Time Wavelength Division Multiplexing) scheme for higher speed, longer distance, and more support for users.
- TWDM-P0N Time Wavelength Division Multiplexing
- Embodiments of the present invention provide a passive optical network PON system for solving the prior art.
- the modulation format and MAC protocol of the PON of the PON system are fixed, poorly flexible, and difficult to maintain.
- a communication method includes: downloading the user element ONU from a server according to a user instruction; configuring according to the technical specification; and sending a control message to the ONU through an outband management channel, for indicating the ONU Configuring the technical specification; communicating with the ONU via the in-band data channel based on a mode supported by the technical specification.
- the modulated signal is sent to the ONU by using the inband data channel, and the message reported by the ONU is received by using the outband management channel.
- Noise ratio SNR is the Noise ratio
- the technical specification is that, when receiving a prompt that is not supported by the ONU, the technical specification is sent to the ONU through the out-of-band management channel.
- the message supported by the ONU feedback is received.
- the fourth aspect in the first aspect may receive the registration request of the ONU; and send, by the out-of-band management channel, an ONU identifier assigned to the ONU to the ONU.
- the method further includes that the bandwidth of the outband management channel is smaller than the bandwidth of the inband data channel.
- the spectrum range of the out-of-band management channel and the in-band data channel may be free according to an operator's requirement. set up.
- a communication method includes: receiving, by an optical network unit, an ONU, a control message sent by an optical line terminal OLT through an inband management channel, where the control message is used to indicate that the ONU is configured with the same technical specification as the OLT;
- the ONU is configured according to the technical specification
- the ONU communicates with the OLT over a data channel based on the technical specifications of the configuration.
- the query message is received by using an outband management channel, where the query message is used to query whether the ONU supports the same technical specification as the OLT;
- the modulated signal is received by the in-band data channel, and the signal-to-noise ratio of the entire downlink is evaluated according to the constellation recovered by the received signal, by using the out-of-band management channel.
- the signal to noise ratio is fed back to the OLT.
- the method further includes: sending, by the outband management channel, the registration request of the ONU Receiving, by the out-of-band management channel, an ONU identifier allocated by the OLT to the ONU.
- the bandwidth of the outband management channel is smaller than the bandwidth of the inband data channel.
- the spectrum range of the out-of-band management channel and the in-band data channel may be operated according to The requirements of the business are freely set.
- an apparatus for reconfiguring comprising: a control unit, configured to download, according to a user instruction, a technical specification indicated by the user instruction from a server, and load the technical specification into an optical network unit ONU through an outband management channel And configuring the technical specification to the data unit; sending, by the out-of-band management pipeline, a control message to the ONU, instructing the ONU to configure the technical specification; and the data unit, configured to pass the in-band data channel and the The ONU communicates based on the modes supported by the technical specifications.
- the apparatus further includes a storage unit configured to store the technical specification.
- control unit is further configured to send, by using the inband data channel, the modulated The signal is sent to the ONU, and the signal-to-noise ratio SNR reported by the ONU is received through an out-of-band management channel.
- control unit is further configured to: Whether the ONU supports the technical specifications.
- the bandwidth of the outband management channel is smaller than the bandwidth of the inband data channel.
- the spectrum range of the out-of-band management channel and the in-band data channel may be operated according to The requirements of the business are freely set.
- control unit is further configured to complete the ONU by using the outband management channel registered.
- a device for reconfiguration comprising: a control unit, configured to receive a control message sent by an optical line terminal OLT through an outband management channel, and configure the same technology as the OLT according to the indication of the control message Specification to data unit;
- a data unit configured to communicate with the OLT based on a mode supported by the specification by an in-band data channel.
- the device further includes a storage unit, configured to store the technical specification.
- control unit is further configured to receive an inquiry message by using an outband management channel, for querying Whether the optical network unit ONU supports the same technical specifications as the OLT, and if the ONU supports, sends an acknowledgement message to the OLT.
- control unit is further configured to receive the modulated signal by using the in-band data channel. And comparing the ideal modulation mode constellation with the constellation recovered according to the received signal, and evaluating the signal to noise ratio of the entire downlink, and feeding back to the OLT through the outband management channel.
- control unit is further configured to receive, by using an outband management channel, an inquiry message, to query whether the optical network unit ONU supports the same technical specification as the OLT, if the ONU does not support, Sending an unsupported prompt to the OLT; receiving a technical specification sent by the OLT, storing to the storage unit or configuring to the data unit.
- the bandwidth of the outband management channel is smaller than the bandwidth of the inband data channel.
- the spectrum range of the outband management channel and the inband data channel may be according to operation The requirements of the business are freely set.
- a PON system comprising: an optical line terminal OLT, configured to download the technical specification of the user instruction indication from a server according to a user instruction, and load the technical specification into an optical network unit ONU through an outband management channel;
- the out-of-band management channel sends a control message to the ONU, where the ONU is configured to instruct the ONU to configure the technical specification, and communicates with the ONU based on a mode supported by the technical specification by using an in-band data channel, where
- the downlink channel is divided into the out-of-band management channel and the in-band data channel according to the spectrum.
- the ONU is configured to receive, by using the out-of-band management channel, a control message delivered by the OLT, to configure the technical specification, and communicate with the OLT according to a mode supported by the technical specification by using the in-band data channel. .
- the OLT is further configured to send, by using the inband data channel, the modulated signal to the ONU, by using the outband management channel Receiving a signal to noise ratio reported by the ONU.
- the ONU in the fifth aspect supports the technical specification, and if not, loading the technical specification to the ONU through an out-of-band management channel.
- the OLT is further configured to receive a registration request of the ONU by using an outband management channel.
- the bandwidth of the outband management channel is smaller than the bandwidth of the inband data channel.
- the spectrum range of the outband management channel and the inband data channel may be according to operation The requirements of the business are freely set.
- an optical line terminal OLT comprising a processor, wherein the processor is operative to perform the method of any one of the possible implementations of the first aspect or the first aspect.
- a seventh aspect an optical network unit ONU, comprising a processor, wherein the processor is operative to perform the method of any one of the possible implementations of the second aspect or the second aspect.
- Figure 1 is a system architecture diagram of a passive optical network PON
- FIG. 2a is a schematic structural diagram of an optical line terminal OLT according to an embodiment of the present invention
- FIG. 2b is a schematic structural diagram of an optical line terminal 0 LT according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of an optical network unit ONU according to an embodiment of the present invention
- FIG. 3b is a schematic structural diagram of an optical network unit ONU according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of another optical network unit ONU according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of an out-of-band management channel and an in-band data channel spectrum division according to an embodiment of the present invention
- FIG. 5 is a structural diagram of a passive optical network system OLT interacting with an external server through a network according to an embodiment of the present disclosure
- FIG. 6 is a structural diagram of a PON system according to an embodiment of the present invention.
- FIG. 7 is a process interaction diagram of configuration reconstruction of 0 LT and 0 NU according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of an OLT according to an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of an ONU according to an embodiment of the present invention.
- system and “network” are often used interchangeably herein.
- the term “and/or” in this context is merely an association describing the associated object, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists separately, and both A and B exist separately. B these three situations.
- the character "/" in this article generally indicates that the contextual object is an "or" relationship.
- a Passive Optical Network consists of an optical line terminal (OLT) on the central office, an Optical Network Unit (ONU) on the user side, or an Optical Network Terminal (ONT). And the Optical Distribute Network (ODN).
- ONT optical line terminal
- ONT Optical Network Terminal
- ODN Optical Distribute Network
- representative PON technologies are GPON (Gigabit-Capable Passive Optical Network), EPON (Ethernet Passive Optical Network), 10G-GPON (also known as XG-PON), 10G-EPON.
- the OLT provides a network side interface to the PON system, connecting one or more ODNs.
- the ONU provides a user-side interface to the PON system and is connected to the ODN. If the ONU directly provides user port functions, such as an Ethernet user port for personal computers (PCs), it is called ONT. Unless otherwise stated, the ONUs mentioned below refer to ONUs and ONTs.
- the ODN is a network of optical fibers and passive optical splitters used to connect OLT devices and ONU devices to distribute or reuse data signals between the OLT and the ONU. In a PON system, the OLT to the ONU is called a downlink; conversely, it is an uplink from the ONU to the OLT.
- the PON 100 can include an OLT 110, a plurality of ONUs 120, and an ODN 130 that can be coupled to the OLT 110 and each of the ONUs 120.
- PON 100 may be a communication network that does not require any active components to distribute data between OLT 110 and each ONU 120. Instead, PON 100 can use passive optical components in ODN 130 to distribute data between OLT 110 and each ONU 120.
- the PON 100 may be an NGA (Next Generation Access) system such as XGPON (10Gigabit PON, also referred to as a 10 Gigabit Passive Optical Network), which may have a downlink bandwidth of approximately 10 Gbps and a minimum of approximately 2.5 Gbps.
- NGA Next Generation Access
- Uplink bandwidth can also be 10G-EPON (10Gigabit Ethernet PON, 10 Gigabit Ethernet passive optical network).
- PON 100 include Asynchronous Transfer Mode PON (APON) and broadband as defined by the International Telecommunication Union Telecommunication Standardization Sector (ITU-T) G.983 standard.
- ITU-T International Telecommunication Union Telecommunication Standardization Sector
- PON Broadband PON, BPON
- GPON defined by the ITU-T G.984 standard
- EPON defined by the Institute of Electrical and Electronics Engineers (IEEE) 802.3ah standard
- WDM-PON Wavelength Division Multiplexed-PON
- the PON 100 can also have multiple wavelength capabilities, wherein multiple downlink and/or upstream wavelengths (or wavelength channels) can be used.
- the PON protocol can be used to support any of the above multi-wavelength technologies/systems.
- OLT 110 may be any device for communicating with each ONU 120 and another network (not shown).
- OLT 110 can act as an intermediary between another network and each ONU 120. For example, OLT 110 may forward data received from the network to each ONU 120 and forward data received from each ONU 120 to another network. Although the specific configuration of OLT 110 may vary depending on the type of PON 100, in one embodiment, OLT 110 may include one transmitter and one receiver. When another network is using a different network protocol than the P0N protocol used in the P0N 100, for example, Ethernet or Synchronous Optical Networking (SONET)/Synchronous Digital Hierarchy (SDH), OLT 110 may include a converter that converts the network protocol to a PON protocol. The OLT 110 converter can also convert the PON protocol into the network protocol. The 0LT 110 can typically be placed at a central location, such as a central office, but can be placed at other locations as well.
- SONET Synchronous Optical Networking
- SDH Synchronous Digital Hierarchy
- OLT 110 may include a converter that converts the network protocol to a PON protocol.
- Each 0NU 120 can be any device used to communicate with the 0LT 110 and the customer or user (not shown). Each 0NU 120 can act as an intermediary between the 0LT 110 and the customer. For example, each ONU 120 may forward data received from the OLT 110 to the client and forward the data received from the client to the OLT 110. Although the specific configuration of each ONU 120 may vary depending on the type of PON 100, in one embodiment, each ONU 120 may include a light emitter for transmitting optical signals to OLT 110 and for receiving light from OLT 110 The light receiver of the signal. Different 0NU 120 transmitters and receivers can transmit and receive optical signals carrying data using different wavelengths. The same - the transmitter and receiver of the ONU 120 can use the same wavelength or different wavelengths.
- each ONU 120 can include: a converter that converts optical signals into electrical signals for a customer, such as signals in an Ethernet protocol; and a second transmitter and/or reception that can transmit and/or receive electrical signals to client devices.
- a converter that converts optical signals into electrical signals for a customer, such as signals in an Ethernet protocol
- a second transmitter and/or reception that can transmit and/or receive electrical signals to client devices.
- client devices such as signals in an Ethernet protocol
- each ONU 120 and each Optical Network Terminal (ONT) are similar, and thus these terms are used interchangeably herein.
- Each ONU can usually be placed at an assigned location, such as a customer premises, but can be placed elsewhere.
- the ODN 130 can be a data distribution system that can include fiber optic cables, couplers, splitters, splitters, and/or other devices.
- the fiber optic cable, coupler, separation The splitter, splitter and/or other device may be passive optical components, and the passive optical device may not require any electrical energy to distribute data signals between the OLT 110 and each of the ONUs 120.
- the ODN 130 may include one or more processing devices, such as optical amplifiers.
- the ODN 130 may typically extend from the OLT 110 to each ONU 120 in a branched configuration as shown in Figure 1, but another option may be in any other point-to-multipoint configuration.
- the embodiment of the invention provides an optical line terminal OLT, as shown in FIG. 2a, which specifically includes: a signal processor 201, which can use a high-performance DSP (Digital Signal Processor) and can also be used.
- a high-performance FPGA Filed-Programmable Gate Array
- ASIC Application Specific Integrated
- SoC System on Chip
- CPU Central Processor Unit
- NP Network Processor
- MCU Micro Controller Unit
- PLD Programmable Logic Device
- DAC Digital Analog Converter
- One end is coupled to the signal processor 201 via a bus interface 205, and is coupled to an optical transceiver 203 for converting data transmitted by the signal processor 201 into an analog signal. And sent to the optical transceiver 203.
- Analog Digital Convert (ADC) 204 One end through the bus interface
- the 205 is coupled to the signal processor 201, and is coupled to the optical transceiver 203 for converting the analog signal transmitted by the optical transceiver 203 into a digital signal for transmission to the signal processor 201.
- Optical transceiver 203 Also referred to as an optical module, includes an optical transmitter and an optical receiver.
- the optical transmitter is configured to perform electro-optical conversion of the analog signal received from the digital-to-analog converter 202 to the optical distribution network ODN; and the optical receiver is configured to perform photoelectric conversion on the optical signal received from the optical distribution network ODN.
- An analog signal is formed and sent to analog to digital converter 204 for processing.
- Bus interface 205 A channel for information transmission by each of the above devices.
- the signal in the signal processor 201 is modulated, and then enters the DAC through the bus interface 205 to form an electrical analog signal.
- the optical transceiver 203 performs electro-optical conversion, and the optical signal is sent to the ONU through the ODN.
- the optical signal of the ONU uplink is photoelectrically converted by the optical transceiver 203 to form an electrical analog signal, and finally passes through the ADC and enters the signal processor 201 for demodulation and the like.
- the signal processor 201 includes a control unit and a data unit.
- the control unit is configured to centrally manage and register each ONU through the outband management channel, create and deregister various PH Y and MAC instances in the OLT, and implement the reconstruction of the ONU modulation format and the MAC protocol.
- the control unit specifically includes a configuration module, a PON component management module, and an ONU registration module.
- control unit is configured to download the technical specification indicated by the user instruction from the server according to the user instruction, load the technical specification to the optical network unit ONU through an outband management channel, and configure the technical specification to the data unit; And sending, by the out-of-band management channel, a control message to the ONU, instructing the ONU to configure the technical specification;
- the data unit includes various processing modules for performing specific services, such as a MAC processing module, a PHY processing module, and the like.
- the data unit is further configured to communicate with the ONU via a data channel supported by the technical specification via an in-band data channel.
- the signal processor 201 also includes a storage unit for storing the technical specifications.
- control unit is further configured to send the modulated signal to the ONU by using the inband data channel, and receive the signal to noise ratio SNR reported by the ONU by using an outband management channel. Hold the technical specifications.
- the bandwidth of the out-of-band management channel is smaller than the bandwidth of the in-band data channel.
- the spectrum of the out-of-band management channel and the in-band data channel are independent, and the range of the spectrum can be freely set according to the requirements of the operator. registered.
- the OLT will be further described in conjunction with the specific application scenario and the third embodiment.
- the embodiment of the present invention further provides an optical network unit ONU 22, as shown in FIG. 3a, which specifically includes:
- the signal processor 221 can use a high-performance DSP (Digital Signal Processor), and can also use a high-performance FPGA (Filed-Programmable Gate Array). High-performance multi-core CPUs, such as dual-core, quad-core, and eight-core, can be used. Application Specific Integrated Circuits (ASICs) can be used. System on Chips (SoCs) can also be used. Using a Central Processor Unit (CPU), you can also use a Network Processor (NP), you can also use a Micro Controller Unit (MCU), or you can use a programmable controller. (Programmable Logic Device, PLD) or other integrated chip.
- CPU Central Processor Unit
- NP Network Processor
- MCU Micro Controller Unit
- PLD Programmable Logic Device
- Digital-to-analog converter DAC 222 One end is coupled to the signal processor 221 via a bus interface 225, and one end is coupled to an optical transceiver 223 for converting data transmitted by the signal processor 221 into an analog signal for transmission to the optical transceiver 223 in.
- An analog-to-digital converter ADC 224 is coupled to the signal processor 221 via a bus interface 225 and coupled to an optical transceiver 223 at one end for converting an analog signal transmitted by the optical transceiver 223 into a digital signal for transmission to a signal processing In the 221.
- Optical transceiver 223 Also referred to as an optical module, including an optical transmitter and an optical receiver.
- the optical receiver is configured to perform photoelectric conversion on the optical signal received from the optical distribution network ODN to form an analog signal, which is sent to an analog-to-digital converter ADC 224 for processing; the optical transmitter is used to convert from the digital to analog
- the analog signal received by the DAC 222 is electro-optically converted, sent to the ODN 21, and then transmitted to the OLT 20 for processing.
- Bus interface 225 A channel for information transmission by each of the above devices.
- the signal in the signal processor 221 is modulated, and then enters the digital-to-analog converter 222 through the bus interface 225 to form an electrical analog signal.
- the optical transceiver converts the optical signal through the optical transceiver 223, and the optical signal is sent through the ODN 21 to OLT 20.
- the OLT 20 downstream optical signal is photoelectrically converted by the optical transceiver 223 to form an electrical analog signal, and passes through the DAC 224 to enter the signal processor 221 for demodulation and the like.
- the signal processor 221 includes a control unit and a data unit.
- Control unit used to manage the ONU. Specifically, it includes: a configuration module, a PON component management module, and an ONU registration module.
- a data unit is in communication with the control unit via a programming interface. Specifically, it includes modules for processing various specific services, such as a MAC processing module and a PHY processing module.
- control unit is configured to receive, by using an outband management channel, a control message sent by the optical line terminal OLT, and configure the same technical specification as the OLT to the data unit according to the indication of the control message;
- a data unit configured to communicate with the control unit through the programming interface, configure the technical specification, run the technical specification, and communicate with the OLT according to a mode supported by the technical specification through an in-band data channel.
- the device further includes a storage unit, configured to store the technical specification.
- control unit is further configured to receive, by using an outband management channel, an inquiry message, to query whether the optical network unit ONU supports the same technical specification as the OLT, and if the ONU supports, send an acknowledgement message to the OLT.
- control unit is further configured to receive, by using the inband data channel, the modulated signal sent by the OLT, and compare the ideal constellation pattern according to the modulation mode with the constellation image recovered according to the received signal, The signal to noise ratio of the entire downlink is evaluated and fed back to the OLT through the out-of-band management channel.
- control unit is further configured to receive, by using an outband management channel, an inquiry message, to query whether the optical network unit ONU supports the same technical specification as the OLT, and if the ONU does not support, feedback does not support the prompt. Giving the OLT; receiving a technical specification sent by the OLT, Stored to the storage unit or configured to the data unit.
- the bandwidth of the out-of-band management channel is smaller than the bandwidth of the in-band data channel.
- the spectral range of the out-of-band management channel and the in-band data channel can be freely set according to the operator's requirements.
- the entire downlink channel is divided into a management channel and a data channel according to the spectrum.
- the frequency channel planning of the management channel and the data channel is as follows:
- Fs is the sampling rate of D/A and A/D
- DC to FS/2 is the first Nyquist domain
- Management spectra and Data Spectra are located in the first set.
- the domain is independent of each other.
- the management spectrum and the data spectrum can be located not only in the first Nyquist domain but in the entire Fs domain.
- the bandwidth of the management channel is smaller than the bandwidth of the data channel, and the ratio of the two and the range of the spectrum can be freely set or planned by the operator.
- the total bandwidth of the downlink channel is lOGhz (gigahertz), wherein the management channel has a bandwidth of lOOMhz (megahertz) and the data channel is 9Ghz.
- the control unit of the OLT and the control unit of the ONU communicate through the out-of-band management channel.
- the ONU registers through the out-of-band management channel to form a lightweight small system outside the band.
- the function of the small system enables the 0 LT to manage the ONU. .
- the function of the PHY layer or the MAC layer can be reconstructed for the in-band data channel.
- both the OLT and the ONU's signal processor are programmable hardware and are a general-purpose processor. Therefore, the function reconstruction does not require hardware replacement, and only needs to be based on the user's needs.
- the PON layer and MAC layer function reconstruction is performed on the original PON system by loading or upgrading.
- the PHY layer reconstruction may be a modification of some modulation formats of the PHY layer, and the modulation format may be QAM (Quadature Amplitude Modulation) or QPSK (Quadature Phase Shift Keying), or OFDM (Orthogonal Frequency Division Multiplexing), or ASK (Amplitude Shift Keying, Amplitude Shift Keying Modulation), or FSK (Frequency-Shift Keying Modulation), etc., can also use other known modulation techniques in the prior art, and are not listed here.
- the modulation format of the PHY layer is changed to OOK modulation to a PAM-4 (Pulse Amplitude Modulation 4) modulation format.
- the MAC layer reconfiguration may be a modification of a protocol working at the MAC layer, and the MAC protocol includes a GPON MAC protocol, an EPON MAC protocol, a 10G-GPON MAC protocol, a 10G-EPON MAC protocol, a Wireless MAC protocol, or a 40G-PON, A MAC protocol with a higher transmission rate such as 100G-PON, or one of MAC protocols such as Ethernet protocol, CPRI (Common Public Radio Interface), OBSAI (Open Base Station Architecture Initiative).
- the user commands the MAC protocol to be changed from the GPON MAC protocol to the 10G-GPON MAC protocol.
- users can also customize the MAC protocol according to their needs.
- Figure 5 shows an architectural diagram of a passive optical network system interacting with a remote server over a network.
- the database of the server in the database of the server, one or more wired (such as PON) or wireless (such as CPRI) technical specifications are stored, and the technical specifications refer to the corresponding standard executable code and/or parameters, OLT and The ONU downloads the required technical specifications from the server to its own memory through the network.
- the ONU can communicate with the OLT through the out-of-band management channel (when the PON system PHY and MAC functions are not configured), or through the in-band data channel and the OLT. Communication (when the PHY and MAC functions of the PON system are fully built).
- the technical specification can be regarded as a collection of software program codes conforming to a certain standard.
- the OLT or ONU can communicate according to the modulation format or MAC protocol set in this technical specification. For example, if the OLT adjusts from the OOK modulation format to the PAM modulation format, the technical specification supporting the PAM modulation format needs to be downloaded from the remote server to the local storage, and the configuration is successful. The configuration is performed on the ONU side through the outband management channel, and the technical specification is run. The OLT and the ONU can communicate based on the PAM modulation format.
- FIG. 2c and 3c respectively show a schematic diagram of the structure of a passive optical network system OLT and ONU.
- the structure of the OLT and the ONU is as described in Embodiment 1 or Embodiment 2, and details are not described herein again. among them,
- the signal processor of the OLT and the signal processor of the ONU are logically divided in FIG. 2c and FIG. 3c, respectively, including a storage unit, a control unit and a data unit.
- the control unit of the OLT communicates with the control unit of the ONU through the out-of-band management channel
- the data unit of the OLT communicates with the data unit of the ONU through the in-band data channel, which are independent at the spectrum level (in the figure) Not shown).
- the data units in the OLT and the ONU all contain modules related to specific service processing, such as a PHY processing module and a MAC processing module.
- the functions of these modules can be reconfigured or defined by the control unit. Both modules have corresponding programming interfaces. These interfaces can be publicly released, such as Openflow or specially developed interfaces.
- the configuration modules in the control unit are responsible for interacting with these programming interfaces.
- the signal processors of the OLT and the ONU respectively comprise one or more storage units for storing various PON technical specifications.
- the technical specifications of the OLT can be downloaded from the server or obtained by other means, such as loading locally through a data card.
- ONU's technical specifications can be downloaded from the server through the out-of-band management channel and OLT communication (when the PON system data unit is not built), or through the in-band data channel (when the data unit of the PON system is built), It can be obtained in other ways, such as loading it locally via data card.
- the storage unit in the physical entity, may be a random access memory (RAM), a read only memory (ROM), an erasable programmable read only memory (EPROM or flash memory), an optical fiber, a portable only A read memory (CD-ROM), a high speed RAM memory, or a non-volatile memory, for example, may be used. Flash flash, or at least one disk storage.
- the embodiment of the invention discloses a device for reconstruction, which may be a high performance DSP (Signal Processor) or a high performance FPGA (Filed-Programmable Gate Array).
- Field programmable logic gate array can also be a high-performance multi-core CPU, such as dual-core, quad-core, eight-core, etc., can be an Application Integrated Integrated Circuit (ASIC), or a system chip (System) On Chip , SoC ), it can also be a Central Processor Unit (CPU), a Network Processor (NP), or a micro-controller.
- Micro Controller Unit MCU
- the device is applied on the OLT side.
- the device comprises a storage unit, a control unit and a data unit.
- control unit configured to download the technical specification indicated by the user instruction from a server according to a user instruction, and load the technical specification into a storage unit of the optical network unit ONU through an outband management channel;
- a data unit configured to communicate with the ONU via an in-band data channel based on a mode supported by the technical specification.
- user commands can be input through a command line or a network management system.
- control unit receives the user instruction, parses the user instruction, and downloads the technical specification indicated by the user instruction from the external server to the storage unit according to the instruction of the user instruction; converting the technical specification to the optical signal by using the DAC and the optical module , transmitted to the ONU through the spectrum range corresponding to the management channel.
- control unit includes a PON component management module 52 and a configuration module 54.
- the PON component management module is configured to determine, according to an instruction of the user, whether there is a corresponding technical specification in the storage unit 53, and if yes, instruct the ONU registration module 51 to query whether the ONU supports the corresponding technical specification through the outband management channel; No, feedback is not supported.
- the PON component management module 52 is further configured to: when receiving the message of the ONU feedback supporting the technical specification, select the corresponding technical specification from the storage unit 53 and send it to the configuration module 54;
- the configuration module 54 is configured to interact with the programming interfaces of the data unit, and deliver the components of the various layers supporting the technical specifications to the service modules in the data unit.
- the first application scenario is: OLT and ONU are just shipped, in-band
- the data channel modulation format is undetermined. You can also set a default modulation format, such as QPSK (Quadature Phase Shift Keying) modulation or OOK (On-Off Keying) modulation. Specifically include:
- the ONU registration module of the OLT control unit obtains the ONU SN (ONU serial number) just after power-on through the outband management channel, completes the ONU registration in the OLT, and performs ranging to obtain the distance between the OLT and the ONU.
- ONU SN ONU serial number
- the ONU registration module 51 sends an ONU registration request message through the outband management channel.
- the ONU After the ONU receives the registration request message through the outband management channel, the ONU reports the serial number SN through the outband management channel;
- the ONU registration module 51 receives the SN reported by the ONU that has just been online, and verifies whether the SN is legal. If it is legal, the registration of the ONU is completed, and ranging is performed.
- the SN is the same as the SN configured on the OLT. Otherwise, it is illegal. If the legal ONU is successfully registered, the OLT kicks the illegal ONU off the line.
- modulation format of the out-of-band management channel is fixed.
- QPSK modulation or OOK modulation can be used, and other modulation methods disclosed in the prior art can also be used.
- the OLT and the ONU measure a Signal Noise Ratio (SNR) of the uplink and downlink data channels.
- SNR Signal Noise Ratio
- the OLT sends a signal of a fixed modulation format to the ONU through the in-band data channel, taking the QPSK modulation mode as an example (of course, other known modulation methods in the prior art can also be used.
- the ONU compares the ideal QPSK constellation map with the received recovered QPSK constellation map to evaluate the SNR of the data channel in the entire downlink band, and the result can be fed back to the OLT through an out-of-band management channel or an in-band data channel;
- the ONU sends a signal of a fixed modulation format to the OLT through the data channel, taking the QPSK modulation mode as an example (of course, other known modulation methods in the prior art can also be used)
- the OLT compares the ideal QPSK constellation map with the recovered QPSK constellation map to evaluate the SNR of the uplink in-band data channel.
- the result can be fed back to the ONU via an out-of-band management channel or an in-band data channel.
- the OLT can control the ONU through the outband management channel and communicate with the ONU.
- the PON component management module 52 of the OLT determines whether there is a corresponding technical specification in the storage unit 53 according to the user's instruction (if one or some technical specifications are to be selected) (the current data unit of the OLT may also be acquired through the configuration module 54) The existing technical specification), if yes, instructs the ONU registration module 51 to query the ONU whether the ONU also stores the corresponding technical specification in the out-of-band management channel, and if not, downloads the technical specification indicated by the user instruction from the external server, and then passes the outband.
- the management channel asks the ONU whether to store the corresponding technical specifications;
- the ONU registration module 61 of the ONU receives the above message for inquiring whether the ONU also supports the corresponding technical specification, and sends the message to the PON component management module 62.
- the PON component management module 62 determines whether there is a corresponding in the storage unit 63.
- the technical specifications (the existing technical specifications of the current data unit of the ONU can also be obtained through the configuration module 64). If yes, the support message is sent back to the OLT through the ONU registration module 61. If not, the feedback is not supported. The prompt is given to the OLT.
- the OLT After receiving the ONU message, the OLT performs corresponding processing. If the ONU does not support, the corresponding technical specification needs to be downloaded from the server to the ONU. If the ONU supports, the PON component management module 52 of the OLT selects the corresponding from the storage unit 53. The technical specifications are then sent to the configuration module 54, and the configuration module 54 interacts with each programming interface in the data unit to deliver the components of the various layers supporting the technical specifications to the service modules (PHY processing module, MAC processing module). It should be noted that when the user instruction is an indication indicating that the PHY layer is reconstructed, then the technical specification is also the code associated with the PHY layer indicated by the user instruction, then in S506, the configuration module 54 sets the components of the various layers supporting the technical specification.
- the configuration module 54 sends the components of each layer supporting the technical specification to the MAC processing module.
- the OLT sends a control message to the ONU through the outband management channel to enable the ONU to perform corresponding configuration.
- the PON component management module of the ONU selects the corresponding technical specification from the storage unit 63, and then sends it to the configuration module 64.
- the configuration module 64 interacts with each programming interface in the data unit, and delivers the components of each layer supporting the technical specification to each service module (PHY processing module, MAC processing module). Then, an acknowledgement message is reported to the OLT through the out-of-band management channel.
- the OLT periodically scans the ONU through the outband management channel to perform unified registration control and data unit reconstruction parameters negotiation and configuration.
- the second application scenario is to dynamically reconstruct the PHY and MAC of the OLT and the ONU according to the needs of the user in a normal working state. If it is a single-carrier system, it can be reconfigured as a multi-carrier system. The process can only be S502 ⁇ S506 in the first application scenario.
- the foregoing technical specifications may be directly saved to the local storage of the OLT and the ONU, and the OLT and the ONU allocate and configure the technical specification, and run the technical specification, so that the OLT and the ONU are based on Mode communication supported by this technical specification.
- the interaction process between the OLT and the ONU is the same as the step S502 S506.
- the technical specification saved in the local storage unit is directly sent to ONU.
- the PHY and MAC can be dynamically reconstructed, and a universal PON system can be defined as different types of PON systems according to user requirements and application scenarios, without requiring hardware replacement, greatly increasing the number of PON systems. Flexibility in PON deployment reduces the cost of deployment and maintenance.
- the embodiment of the present invention further discloses a passive optical network PON system.
- the OLT includes an OLT and an ONU.
- the OLT connects at least one ONU through an ODN, and the OLT is configured to download the user instruction from a server according to a user instruction.
- the technical specification of the indication the technical specification is loaded into the optical network unit ONU through the out-of-band management channel; the control message is sent to the ONU through the out-of-band management channel, and is used to instruct the ONU to configure the technical specification;
- the internal data channel communicates with the ONU based on a mode supported by the technical specification, wherein the downlink channel is divided into the out-of-band management channel and the in-band data channel according to the spectrum.
- the ONU is configured to receive, by using the out-of-band management channel, a control message delivered by the OLT, where Setting the technical specification; communicating with the OLT based on a mode supported by the technical specification through the in-band data channel.
- the OLT is further configured to send the modulated signal to the ONU by using the inband data channel, and receive the signal to noise ratio reported by the ONU by using the outband management channel.
- the OLT is further configured to query, by the out-of-band management channel, whether the ONU supports the technical specification, and if not, load the technical specification to the ONU by using an out-of-band management channel.
- the OLT is further configured to receive the registration request of the ONU by using an outband management channel.
- the bandwidth of the out-of-band management channel is smaller than the bandwidth of the in-band data channel.
- the spectral range of the out-of-band management channel and the in-band data channel can be freely set according to the operator's requirements.
- the embodiment of the present invention discloses an optical line terminal OLT, as shown in FIG. 8, including a processor 801, a memory 802, a communication bus 803, and a communication interface 804.
- the CPU 801, the memory 802, and the communication interface 804 are connected by a communication bus 803 and communicate with each other.
- Processor 801 may be a single core or multi-core central processing unit, or a particular integrated circuit, or one or more integrated circuits configured to implement embodiments of the present invention.
- the memory 802 can be a high speed RAM memory, a non-volatile memory, a flash memory, or at least one disk.
- Memory 802 is used by computer to execute instructions 805.
- the computer execution instructions 805 can include program code.
- the processor 801 runs the computer execution instruction 805, and can execute the method flow executed by the OLT in the third embodiment.
- the embodiment of the present invention discloses an optical line terminal ONU, as shown in FIG. 9, including a processor 901, a memory 902, a communication bus 903, and a communication interface 904.
- the CPU 901, the memory 902, and the communication interface 904 are connected by a communication bus 903 and complete communication with each other.
- Processor 901 may be a single core or multi-core central processing unit, or a particular integrated circuit, or one or more integrated circuits configured to implement embodiments of the present invention.
- the memory 902 can be a high speed RAM memory, a non-volatile memory, a flash memory, or at least one disk.
- Memory 902 is used by computer to execute instructions 905.
- the program code may be included in the computer execution instruction 905.
- the processor 901 runs the computer execution instruction 905, and the method flow executed by the ONU in the third embodiment can be executed.
- Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
- a storage medium may be any available media that can be accessed by a computer.
- the computer readable medium may include RAM (Random Access Memory), ROM (Read Only Memory), and EEPROM (Electrically Erasable Programmable Read Only Memory).
- CD-ROM Compact Disc Read Only Memory
- CD-ROM Compact Disc Read Only Memory
- disk storage media or other magnetic storage device, or can be used to carry or store desired programs in the form of instructions or data structures. Code and any other medium that can be accessed by a computer. Also. Any connection may suitably be a computer readable medium.
- Any connection may suitably be a computer readable medium.
- the software is transmitted from a website, server or other remote source using coaxial cable, fiber optic cable, twisted pair, DSL (Digital Subscriber Line) or wireless technology such as infrared, radio and microwave, then Shaft cables, fiber optic cables, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwaves are included in the fixing of the associated media.
- the disc and the disc include a CD (Compact Disc), a laser disc, a disc, a DVD disc (Digital Versatile Disc), a floppy disc, and a Blu-ray disc, wherein the disc is usually magnetically copied,
- the disc uses a laser to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.
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Abstract
Description
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Priority Applications (8)
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CA2952666A CA2952666C (en) | 2014-06-18 | 2014-06-18 | Communication method, apparatus, and system |
CN201480009870.3A CN105409163A (zh) | 2014-06-18 | 2014-06-18 | 一种通信的方法、装置及系统 |
JP2016573786A JP2017520188A (ja) | 2014-06-18 | 2014-06-18 | 通信方法、装置及びシステム |
RU2017101193A RU2017101193A (ru) | 2014-06-18 | 2014-06-18 | Способ, устройство и система связи |
EP14894867.2A EP3148115A4 (en) | 2014-06-18 | 2014-06-18 | Communication method, apparatus and system |
AU2014398122A AU2014398122B2 (en) | 2014-06-18 | 2014-06-18 | Communication method, apparatus and system |
PCT/CN2014/080152 WO2015192332A1 (zh) | 2014-06-18 | 2014-06-18 | 一种通信的方法、装置及系统 |
US15/381,813 US20170117960A1 (en) | 2014-06-18 | 2016-12-16 | Communication Method, Apparatus, and System |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107547232A (zh) * | 2016-06-28 | 2018-01-05 | 中兴通讯股份有限公司 | 网元设备及其传输模式配置装置和方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10080071B2 (en) * | 2014-04-11 | 2018-09-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Controlling time division duplex operation |
US10721011B2 (en) | 2015-05-20 | 2020-07-21 | II-VI Deleware, Inc. | Method and apparatus for hardware-configured network |
WO2017195036A1 (en) * | 2016-05-13 | 2017-11-16 | Jie Qi | Provisioning a microcontroller via acoustic signaling |
RU2764262C1 (ru) * | 2018-12-28 | 2022-01-14 | Хуавей Текнолоджиз Ко., Лтд. | Способ и устройство для установления соединения по оптическому кабелю |
CN115361088A (zh) * | 2019-01-09 | 2022-11-18 | 菲尼萨公司 | 对光学网络中的光电收发器进行调谐的方法 |
KR102542679B1 (ko) * | 2019-02-20 | 2023-06-13 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 광 신호용 디지털 신호 처리(odsp)와 관련된 수동 광 네트워크(pons)의 통신 |
CN110557693B (zh) * | 2019-09-26 | 2024-10-01 | 上海欣诺通信技术股份有限公司 | 光网络协议分析仪 |
US11329727B1 (en) * | 2020-11-26 | 2022-05-10 | Kookmin Univ. Ind. Academy Cooperation Foundation | Device for communicating signal of hybrid waveform based on M-FSK and OFDM |
CN113660034B (zh) * | 2021-08-17 | 2022-07-08 | 上海欣诺通信技术股份有限公司 | 一种手持式pon模拟系统的分析方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101247258A (zh) * | 2007-02-12 | 2008-08-20 | 华为技术有限公司 | 一种业务发放方法及系统 |
CN101442438A (zh) * | 2008-10-17 | 2009-05-27 | 深圳华为通信技术有限公司 | 接入系统中终端设备的管理方法、局端设备以及接入系统 |
US20090142059A1 (en) * | 2006-05-25 | 2009-06-04 | Immenstar Inc. | System control and management of passive optical networks |
CN102739426A (zh) * | 2011-04-13 | 2012-10-17 | 中兴通讯股份有限公司 | 一种dpoe系统及基于该系统业务自动配置方法和网络 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7599623B2 (en) * | 2006-02-10 | 2009-10-06 | Tellabs Petaluma, Inc. | Apparatus and method of managing POTS lines in a PON network |
US8036530B2 (en) * | 2007-03-20 | 2011-10-11 | Arris Group, Inc. | Method and system for transporting DOCSIS communication signals over a passive optical network |
US20080253771A1 (en) * | 2007-04-13 | 2008-10-16 | Noel Jeffrey A | Method and apparatus for configuring Optical Network Terminals (ONT) in a network |
US8160447B2 (en) * | 2007-10-17 | 2012-04-17 | Hitachi, Ltd. | Communication system using passive optical network and passive optical network |
US8254386B2 (en) * | 2010-03-26 | 2012-08-28 | Verizon Patent And Licensing, Inc. | Internet protocol multicast on passive optical networks |
US20110302283A1 (en) * | 2010-06-03 | 2011-12-08 | Niclas Nors | Methods And Arrangements In A Passive Optical Network |
JP5682249B2 (ja) * | 2010-11-12 | 2015-03-11 | 三菱電機株式会社 | 光通信システム |
US9674035B2 (en) * | 2011-03-28 | 2017-06-06 | Zte Corporation | Seamless configuration update for optical network unit in ethernet passive optical network |
EP2840742B1 (en) * | 2012-04-20 | 2019-06-26 | Mitsubishi Electric Corporation | Communication system, master station apparatus, slave station apparatus, control apparatus, and communication control method |
-
2014
- 2014-06-18 CN CN201480009870.3A patent/CN105409163A/zh active Pending
- 2014-06-18 AU AU2014398122A patent/AU2014398122B2/en not_active Ceased
- 2014-06-18 EP EP14894867.2A patent/EP3148115A4/en not_active Withdrawn
- 2014-06-18 WO PCT/CN2014/080152 patent/WO2015192332A1/zh active Application Filing
- 2014-06-18 JP JP2016573786A patent/JP2017520188A/ja active Pending
- 2014-06-18 RU RU2017101193A patent/RU2017101193A/ru not_active Application Discontinuation
- 2014-06-18 CA CA2952666A patent/CA2952666C/en not_active Expired - Fee Related
-
2016
- 2016-12-16 US US15/381,813 patent/US20170117960A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090142059A1 (en) * | 2006-05-25 | 2009-06-04 | Immenstar Inc. | System control and management of passive optical networks |
CN101247258A (zh) * | 2007-02-12 | 2008-08-20 | 华为技术有限公司 | 一种业务发放方法及系统 |
CN101442438A (zh) * | 2008-10-17 | 2009-05-27 | 深圳华为通信技术有限公司 | 接入系统中终端设备的管理方法、局端设备以及接入系统 |
CN102739426A (zh) * | 2011-04-13 | 2012-10-17 | 中兴通讯股份有限公司 | 一种dpoe系统及基于该系统业务自动配置方法和网络 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3148115A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107547232A (zh) * | 2016-06-28 | 2018-01-05 | 中兴通讯股份有限公司 | 网元设备及其传输模式配置装置和方法 |
CN107547232B (zh) * | 2016-06-28 | 2021-08-31 | 中兴通讯股份有限公司 | 网元设备及其传输模式配置装置和方法 |
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CA2952666A1 (en) | 2015-12-23 |
US20170117960A1 (en) | 2017-04-27 |
JP2017520188A (ja) | 2017-07-20 |
RU2017101193A (ru) | 2018-07-18 |
EP3148115A1 (en) | 2017-03-29 |
CN105409163A (zh) | 2016-03-16 |
CA2952666C (en) | 2018-10-23 |
AU2014398122A1 (en) | 2017-01-12 |
RU2017101193A3 (zh) | 2018-07-18 |
AU2014398122B2 (en) | 2018-08-02 |
EP3148115A4 (en) | 2017-05-10 |
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