CN102932697A - Passive optical network and low-power-consumption control method thereof and optical network unit - Google Patents
Passive optical network and low-power-consumption control method thereof and optical network unit Download PDFInfo
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- CN102932697A CN102932697A CN2012103856378A CN201210385637A CN102932697A CN 102932697 A CN102932697 A CN 102932697A CN 2012103856378 A CN2012103856378 A CN 2012103856378A CN 201210385637 A CN201210385637 A CN 201210385637A CN 102932697 A CN102932697 A CN 102932697A
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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
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- 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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/808—Electrical power feeding of an optical transmission system
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Abstract
The invention discloses a passive optical network and a low-power-consumption control method thereof and an optical network unit. The low-power-consumption control method comprises the following steps that: an OLT (Optical Line Terminator) determines to send a low-power-consumption instruction to the ONU according to a preestablished strategy after an ONU (optical netunit) enters a low-power-consumption mode; and after receiving the low-power-consumption instruction, ONU system equipment of the ONU controls an ONU optical module of the ONU to enter the low-power-consumption mode. Because the OLT indicates to the ONU to enter the low-power-consumption mode according to the preestablished strategy, the OLT can master the situation of the ONU in the whole passive optical network and avoids confusion; and after the ONU optical module enters the low-power-consumption mode, the purposes of saving power consumption and saving energy sources can be achieved.
Description
Technical field
The present invention relates to Fibre Optical Communication Technology, relate in particular to a kind of EPON and low power consumption control method and optical network unit.
Background technology
Present domestic market and international market have begun to use with the optical fiber communication direction that multiple business is merged with a large bandwidth and at a high rate; In numerous solutions, the appearance that Fiber to the home (FTTH) just is considered to the ultimate solution of broadband access.The domestic market is large-area applications.
And in the numerous schemes of FTTH, GPON(Gigabit Passive Optical Network, gigabit passive optical network) the transmission rate maximum can reach 2.5Gbps, and support multiple business, comprise ATM, Ethernet, TDM, CATV, can be described as the most perfect PON network technology of present function, also be a kind of very economical, towards the network access mode in broadband, therefore, the GPON network receives much concern, and becomes the light access way of present main flow.Along with the extensive use of GPON network, the ONU optical module in the GPON network also gets a lot of applications.
In GPON network as shown in Figure 1, OLT(Optical Line Terminator, optical line terminal) usually is arranged on the central office of the access net system of optical fiber telecommunications system, OLT is responsible for that the electrical signal data in the switch is converted into optical signal data and sends, and receive the outside light signal that sends, be translated into the signal of telecommunication and flow to switch.OLT is by ODN(light feeder network) and ONU(optical netunit, optical network unit) link to each other, ONU is arranged on local side usually, and namely user side or building generally include ONU optical module and ONU system equipment among the ONU; POS(Passive Optical Splitter, passive optical splitters) or be called for short the Splitter(optical splitter), generally there be 2N to divide equally port, if the light intensity of input port is 1, then the light intensity of each output port is 1/N.For a multi-plexing light accessing system, generally be that 1 OLT is placed on telecommunication center office, by optical splitter, generally be 1 minute 32 at least then, perhaps 1 minute 64 even 1 minutes 128, namely 1 OLT was with 32 or 64 or 128 ONU.
As shown in Figure 2, OLT is that the mode of broadcasting sends downlink data to ONU; As shown in Figure 3, ONU is with TDMA(Time Division Multiple Address, time division multiplexing) mode sends upstream data to OLT, and ONU sends the timeslice of upstream data by the OLT appointment.
The present inventor finds that in actual applications, along with the increase of ONU, network institute wasted work consumption is increasing, and energy source consumption is more; Therefore, there is the demand that reduces the ONU power consumption in prior art.
Summary of the invention
Embodiments of the invention provide a kind of EPON and low power consumption control method and optical network unit, in order to reduce the power consumption of ONU, energy savings.
According to an aspect of the present invention, provide low power consumption control method in a kind of EPON, wherein, described EPON comprises: optical line terminal OLT and a plurality of optical network unit ONU; Described method comprises:
For one of them ONU, described OLT sends Low-Power Instruction to this ONU after entering low-power consumption mode according to this ONU of strategy decision that pre-establishes;
The ONU system equipment of this ONU is after receiving described Low-Power Instruction, and the ONU optical module of controlling this ONU enters low-power consumption mode.
Wherein, described strategy comprises:
Receive the low-power consumption solicited message of described ONU transmission at described OLT after, determine that this ONU enters low-power consumption mode; Perhaps
The free time that described OLT determines this ONU surpasses the setting-up time section, determines that then this ONU enters low-power consumption mode.
Described low-power consumption mode is specially the pattern of dozing off, and described ONU optical module enters low-power consumption mode and is specially:
Drive circuit in the described ONU optical module is cut to bias current and the modulated current that laser provides; Perhaps,
Described low-power consumption mode is specially deep sleep mode, and described ONU optical module enters low-power consumption mode and is specially:
Drive circuit in the described ONU optical module is cut to bias current and the modulated current that laser provides, and the amplitude limiting amplifier circuit in the described ONU optical module cuts off and the path of trans-impedance amplifier TIA; Perhaps,
Described low-power consumption mode is specially the hypophypnosis pattern, and described ONU optical module enters low-power consumption mode and is specially:
Bias current and modulated current that drive circuit in the described ONU optical module will provide for laser reduce, and reduce the electric current in the amplitude limiting amplifier circuit in the described ONU optical module.
Described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And
The free time that described OLT determines this ONU surpasses the setting-up time section, determines that then this ONU enters low-power consumption mode and specifically comprises:
If described OLT determines the free time of this ONU and surpasses setting-up time section A, determine that then this ONU enters the pattern of dozing off;
If described OLT determines the free time of this ONU and surpasses setting-up time section B, determine that then this ONU enters the hypophypnosis pattern;
If described OLT determines the free time of this ONU and surpasses setting-up time section C, then determine this ONU penetration depth sleep pattern.
Described low-power consumption solicited message specifically comprises: the mode request of dozing off information, hypophypnosis mode request information, deep sleep mode solicited message; And
Receive at described OLT before the low-power consumption solicited message of described ONU transmission, also comprise:
If described ONU determines the downlink data flow of this ONU and drops to 0, then sends the mode request information of dozing off to described OLT;
If described ONU determines the free time of this ONU and surpasses setting-up time section D, then send hypophypnosis mode request information to described OLT;
If described ONU determines the free time of this ONU and surpasses setting-up time section E, then send the deep sleep mode solicited message to described OLT; And
Described OLT enters low-power consumption mode according to this ONU of strategy decision that pre-establishes and specifically comprises:
If described OLT receives the mode request information of dozing off that described ONU sends, determine that then this ONU enters the pattern of dozing off;
If described OLT receives the hypophypnosis mode request information that described ONU sends, determine that then this ONU enters the hypophypnosis pattern;
If described OLT receives the deep sleep mode solicited message that described ONU sends, then determine this ONU penetration depth sleep pattern.
Described Low-Power Instruction specifically comprises: the mode instruction of dozing off, hypophypnosis mode instruction, deep sleep mode instruction; And
Described OLT sends Low-Power Instruction to this ONU and specifically comprises after entering low-power consumption mode according to this ONU of strategy decision that pre-establishes:
If described OLT determines this ONU and enters the pattern of dozing off, then send the mode instruction of dozing off to this ONU;
If described OLT determines this ONU and enters the hypophypnosis pattern, then send the hypophypnosis mode instruction to this ONU;
If described OLT determines this ONU penetration depth sleep pattern, then send the deep sleep mode instruction to this ONU; And
Described ONU system equipment is after receiving described Low-Power Instruction, and the ONU optical module of controlling this ONU enters low-power consumption mode and specifically comprises:
If described ONU system equipment receives the described mode instruction of dozing off, the ONU optical module of then controlling this ONU enters the pattern of dozing off;
If described ONU system equipment receives described hypophypnosis mode instruction, the ONU optical module of then controlling this ONU enters the hypophypnosis pattern;
If described ONU system equipment receives described deep sleep mode instruction, then control the ONU optical module penetration depth sleep pattern of this ONU.
Preferably, described Low-Power Instruction is carried on described OLT in the GATE message of described ONU transmission; And
Described low-power consumption solicited message is carried on described ONU in the GATE message of described OLT transmission.
Further, after described ONU optical module enters low-power consumption mode, also comprise:
If described ONU receives the information that the terminal use sends, then control described ONU optical module and withdraw from described low-power consumption mode, and send the notice of reviving to described OLT.
According to an aspect of the present invention, provide a kind of EPON, having comprised: optical line terminal OLT and a plurality of optical network unit ONU;
Described OLT sends Low-Power Instruction to this ONU after going out one of them ONU and enter low-power consumption mode according to the strategy decision that pre-establishes;
The ONU system equipment of this ONU is after receiving described Low-Power Instruction, and the ONU optical module of controlling this ONU enters low-power consumption mode.
Wherein, described OLT comprises:
The low-power consumption mode determination module enters low-power consumption mode if be used for determining an ONU who communicates by letter with this OLT according to the strategy that pre-establishes, and then exports the low-power consumption notice;
Instruction sending module is used for after receiving the low-power consumption notice of described low-power consumption mode determination module output, and the ONU that enters low-power consumption mode that determines to described low-power consumption mode determination module sends Low-Power Instruction.
Described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described low-power consumption mode determination module comprises such as one of lower unit, perhaps such as the combination in any of lower unit:
The mode unit of dozing off is used for determining that this ONU enters the pattern of dozing off after the free time of described ONU surpasses setting-up time section A, exports described low-power consumption notice;
The hypophypnosis mode unit is used for determining that this ONU enters the hypophypnosis pattern after the free time of described ONU surpasses setting-up time section B, exports described low-power consumption notice;
The deep sleep mode unit is used for determining this ONU penetration depth sleep pattern after the free time of described ONU surpasses setting-up time section C, exports described low-power consumption notice.
Described low-power consumption solicited message specifically comprises: with the described pattern of dozing off doze off accordingly mode request information, with the corresponding hypophypnosis mode request of described hypophypnosis pattern information, with the corresponding deep sleep mode solicited message of described deep sleep mode; And described low-power consumption mode determination module also comprises:
Low-power consumption solicited message receiving element is used for determining that this ONU enters and the corresponding low-power consumption mode of described low-power consumption solicited message after described OLT receives the low-power consumption solicited message of described ONU transmission, and exports described low-power consumption notice.
Described ONU comprises: ONU system equipment and ONU optical module;
Described ONU system equipment is controlled described ONU optical module and is entered low-power consumption mode behind the Low-Power Instruction that receives the OLT transmission.
Described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described Low-Power Instruction specifically comprises: with the pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; And,
Described ONU system equipment comprises: command reception parsing module, optical module control module;
Described command reception parsing module is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to described optical module control module;
Described optical module control module is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, controls described ONU optical module and enters corresponding low-power consumption mode.
Described low-power consumption mode control command specifically comprises: with the pattern of dozing off doze off accordingly the pattern control command, with the corresponding hypophypnosis pattern of described hypophypnosis pattern control command, with the corresponding deep sleep mode control command of described deep sleep mode; And,
Described ONU optical module comprises: MCU, laser and drive circuit thereof, photodiode, trans-impedance amplifier TIA, amplitude limiting amplifier circuit;
Described MCU is used for receiving described low-power consumption mode control command; If determine that described low-power consumption mode control command is the pattern control command of dozing off, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides; Perhaps, if determine that described low-power consumption mode control command is the deep sleep mode control command, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides, and to described amplitude limiting amplifier circuit transmission information, control the path of described amplitude limiting amplifier circuit cut-out and described TIA; Perhaps, if determine that described low-power consumption mode control command is hypophypnosis pattern control command, then send information to described drive circuit, controlling described drive circuit will reduce for bias current and the modulated current that laser provides, and to described amplitude limiting amplifier circuit transmission information, control reduces the electric current in the described amplitude limiting amplifier circuit.
Further, described ONU system equipment also comprises:
The low-power consumption decision module is used for determining to enter the pattern of dozing off after the downlink data flow of determining this ONU drops to 0, sends the pattern notice of dozing off; Perhaps, after the free time of determining this ONU surpasses setting-up time section D, determine to enter the hypophypnosis pattern, send hypophypnosis pattern notice; Perhaps, after the free time of determining this ONU surpasses setting-up time section E, determine the penetration depth sleep pattern, send the deep sleep mode notice;
The solicited message sending module is used for the notice according to described low-power consumption decision module transmission, sends corresponding low-power consumption solicited message.
Preferably, described ONU also is used for controlling described ONU optical module and withdrawing from low-power consumption mode, and send the notice of reviving to described OLT after the information that receives terminal use's transmission.
According to another aspect of the present invention, also provide the optical line terminal OLT in a kind of EPON, having comprised:
The low-power consumption mode determination module, after being used for entering low-power consumption mode according to the ONU that the strategy decision that pre-establishes goes out described optical-fiber network, output low-power consumption notice;
Instruction sending module is used for after receiving the low-power consumption notice of described low-power consumption mode determination module output, and the ONU that enters low-power consumption mode that determines to described low-power consumption mode determination module sends Low-Power Instruction.
Wherein, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described low-power consumption mode determination module comprises such as one of lower unit, perhaps such as the combination in any of lower unit:
The mode unit of dozing off is used for determining that this ONU enters the pattern of dozing off after the free time of described ONU surpasses setting-up time section A, exports described low-power consumption notice;
The hypophypnosis mode unit is used for determining that this ONU enters the hypophypnosis pattern after the free time of described ONU surpasses setting-up time section B, exports described low-power consumption notice;
The deep sleep mode unit is used for determining this ONU penetration depth sleep pattern after the free time of described ONU surpasses setting-up time section C, exports described low-power consumption notice.
Preferably, described low-power consumption mode determination module also comprises:
Low-power consumption solicited message receiving element is used for determining that this ONU enters and the corresponding low-power consumption mode of described low-power consumption solicited message after described OLT receives the low-power consumption solicited message of described ONU transmission, and exports described low-power consumption notice;
Wherein, described low-power consumption solicited message specifically comprises: with the described pattern of dozing off doze off accordingly mode request information, with the corresponding hypophypnosis mode request of described hypophypnosis pattern information, with the corresponding deep sleep mode solicited message of described deep sleep mode.
Described Low-Power Instruction specifically comprises: with the described pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; And described instruction sending module specifically comprises:
Message generating module, be used for after receiving the low-power consumption notice of described low-power consumption mode determination module output, the GATE message that the ONU that enters low-power consumption mode that generation determines to described low-power consumption mode determination module sends, and corresponding Low-Power Instruction is carried in this GATE message;
Message transmission module is used for the GATE message that described message generating module generates is sent.
According to another aspect of the present invention, also provide a kind of optical network unit, having comprised: ONU system equipment and ONU optical module;
Described ONU system equipment is controlled described ONU optical module and is entered low-power consumption mode behind the Low-Power Instruction that receives the OLT transmission.
Wherein, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described Low-Power Instruction specifically comprises: with the pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; And,
Described ONU system equipment comprises: command reception parsing module, optical module control module;
Described command reception parsing module is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to described optical module control module;
Described optical module control module is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, controls described ONU optical module and enters corresponding low-power consumption mode.
Further, described ONU system equipment also comprises:
The low-power consumption decision module is used for determining to enter the pattern of dozing off after the downlink data flow of determining this ONU drops to 0, sends the pattern notice of dozing off; Perhaps, after the free time of determining this ONU surpasses setting-up time section D, determine to enter the hypophypnosis pattern, send hypophypnosis pattern notice; Perhaps, after the free time of determining this ONU surpasses setting-up time section E, determine the penetration depth sleep pattern, send the deep sleep mode notice;
The solicited message sending module is used for the notice according to described low-power consumption decision module transmission, sends corresponding low-power consumption solicited message.
Further, described optical module control module also is used for after the described ONU optical module of control enters corresponding low-power consumption mode, if after described optical network unit receives the information of terminal use's transmission, control described ONU optical module and withdraw from low-power consumption mode; And
The described request information sending module also is used for sending the notice of reviving to described OLT after described optical module control module is controlled described ONU optical module and withdrawed from low-power consumption mode.
Described low-power consumption mode control command specifically comprises: with the pattern of dozing off doze off accordingly the pattern control command, with the corresponding hypophypnosis pattern of described hypophypnosis pattern control command, with the corresponding deep sleep mode control command of described deep sleep mode; And,
Described ONU optical module comprises: MCU, laser and drive circuit thereof, trans-impedance amplifier TIA, amplitude limiting amplifier circuit;
Described MCU is used for receiving described low-power consumption mode control command; If determine that described low-power consumption mode control command is the pattern control command of dozing off, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides; Perhaps, if determine that described low-power consumption mode control command is the deep sleep mode control command, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides, and to described amplitude limiting amplifier circuit transmission information, control the path of described amplitude limiting amplifier circuit cut-out and described TIA; Perhaps, if determine that described low-power consumption mode control command is hypophypnosis pattern control command, then send information to described drive circuit, controlling described drive circuit will reduce for bias current and the modulated current that laser provides, and to described amplitude limiting amplifier circuit transmission information, control reduces the electric current in the described amplitude limiting amplifier circuit.
Preferably, described MCU also be used for receiving described withdraw from the low-power consumption mode control command after, control described ONU optical module and withdraw from low-power consumption mode.
According to another aspect of the present invention, also provide the system equipment of the ONU in a kind of optical network unit, having comprised: command reception parsing module, optical module control module;
Described command reception parsing module is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to described optical module control module;
Described optical module control module is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, controls described ONU optical module and enters corresponding low-power consumption mode.
Wherein, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described Low-Power Instruction specifically comprises: with the pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; And,
Described ONU system equipment also comprises:
The low-power consumption decision module is used for determining to enter the pattern of dozing off after the downlink data flow of determining this ONU drops to 0, sends the pattern notice of dozing off; Perhaps, after the free time of determining this ONU surpasses setting-up time section D, determine to enter the hypophypnosis pattern, send hypophypnosis pattern notice; Perhaps, after the free time of determining this ONU surpasses setting-up time section E, determine the penetration depth sleep pattern, send the deep sleep mode notice;
The solicited message sending module is used for the notice according to described low-power consumption decision module transmission, sends corresponding low-power consumption solicited message.
Described optical module control module also is used for after the described ONU optical module of control enters corresponding low-power consumption mode, if after described optical network unit receives the information of terminal use's transmission, control described ONU optical module and withdraw from low-power consumption mode; And
The described request information sending module also is used for sending the notice of reviving to described OLT after described optical module control module is controlled described ONU optical module and withdrawed from low-power consumption mode.
According to another aspect of the present invention, also provide the optical module of the ONU in a kind of optical network unit, having comprised: MCU, laser and drive circuit thereof, trans-impedance amplifier TIA, amplitude limiting amplifier circuit;
Described MCU is used for receiving described low-power consumption mode control command; Described low-power consumption mode control command specifically comprises: with the pattern of dozing off doze off accordingly the pattern control command, with the corresponding hypophypnosis pattern of described hypophypnosis pattern control command, with the corresponding deep sleep mode control command of described deep sleep mode;
If described MCU determines that described low-power consumption mode control command is the pattern control command of dozing off, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides; Perhaps,
If described MCU determines that described low-power consumption mode control command is the deep sleep mode control command, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides, and to described amplitude limiting amplifier circuit transmission information, control the path of described amplitude limiting amplifier circuit cut-out and described TIA; Perhaps,
If described MCU determines that described low-power consumption mode control command is hypophypnosis pattern control command, then send information to described drive circuit, controlling described drive circuit will reduce for bias current and the modulated current that laser provides, and to described amplitude limiting amplifier circuit transmission information, control reduces the electric current in the described amplitude limiting amplifier circuit.
Further, described MCU also be used for receiving described withdraw from the low-power consumption mode control command after, control described ONU optical module and withdraw from low-power consumption mode.
In the technical scheme that the embodiment of the invention provides, OLT according to the strategy that pre-establishes after judging ONU and can entering low-power consumption mode, send Low-Power Instruction by OLT to ONU, indication ONU enters low-power consumption mode, thereby OLT can control the situation of the ONU in the whole EPON, avoids causing confusion; And after ONU enters low-power consumption mode according to instruction control ONU optical module, or close the emission that laser temporarily stops light signal, or the output of cutting off optical fiber receive module temporarily stops the reception of light signal, thus reach the purpose of saving power consumption, energy savings.
And ONU can come to life from low-power consumption mode after receiving the upstream data that sends from the terminal use voluntarily, and sends out public notice and inform OLT, thereby enters normal operating state.
Description of drawings
Fig. 1 is the EPON schematic diagram of prior art;
Fig. 2 is the schematic diagram that sends downlink data in the EPON of prior art;
Fig. 3 is the schematic diagram that sends upstream data in the EPON of prior art;
Fig. 4 is the EPON schematic diagram of the embodiment of the invention;
Fig. 5 is the EPON low power consumption control method flow of the embodiment of the invention;
Fig. 6 is the ONU of the embodiment of the invention sends method flow diagram from the low-power consumption solicited message to OLT;
Fig. 7 is the OLT internal structure block diagram of the embodiment of the invention;
Fig. 8 is the internal structure block diagram of the ONU system equipment among the ONU of the embodiment of the invention;
Fig. 9 is the internal circuit block diagram of the ONU optical module among the ONU of the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to accompanying drawing and enumerate preferred embodiment, the present invention is described in more detail.Yet, need to prove that many details of listing in the specification only are in order to make the reader to one or more aspects of the present invention a thorough understanding be arranged, even if there are not these specific details also can realize these aspects of the present invention.
The terms such as " module " used in this application, " system " are intended to comprise the entity relevant with computer, such as but not limited to hardware, firmware, combination thereof, software or executory software.For example, module can be, but be not limited in: the thread of the process of moving on the processor, processor, object, executable program, execution, program and/or computer.
The present inventor considers, the downlink data that receives owing to ONU in EPON is sent by OLT, and it is the time period that ONU distribute to send upstream data by OLT, therefore, OLT can know the time period of each ONU downlink data receiving and the time period that sends upstream data; Therefore, OLT can be according to the strategy that pre-establishes, and without downlink data receiving, interior control of the time period ONU that does not also send upstream data enters low-power consumption mode at ONU, such as, control ONU closes laser or receiver; Thereby reduce the power consumption of ONU optical module, also just reduced the power consumption of ONU, reached the purpose of energy savings.
Describe the technical scheme of the embodiment of the invention in detail below in conjunction with accompanying drawing.The EPON of the embodiment of the invention comprises as shown in Figure 4: OLT401, POS402, a plurality of ONU 403.
OLT401 links to each other with POS402 by optical fiber, and each ONU403 links to each other with POS402 by optical fiber, thereby each ONU403 realizes and the communicating by letter of OLT401 by optical fiber and POS402.
Low power consumption control method in the EPON of the embodiment of the invention, i.e. the method that OLT401 control ONU403 enters low-power consumption mode, flow chart comprises the steps: as shown in Figure 5
If S501:OLT401 sends Low-Power Instruction to this ONU after going out a ONU403 in the EPON and enter low-power consumption mode according to the strategy decision that pre-establishes, this Low-Power Instruction specifically can be carried in the GATE message (window message) and send.
The strategy that pre-establishes among the OLT401 can be: the free time of determining an ONU 403 in the EPON at OLT401 surpasses the setting-up time section, determines that then this ONU enters low-power consumption mode.
Preferably, low-power consumption mode can comprise: the pattern of dozing off;
Further, low-power consumption mode can also comprise: hypophypnosis pattern, deep sleep mode;
The strategy that pre-establishes among the OLT401 specifically can comprise:
If OLT401 determines the free time of this ONU and surpasses setting-up time section A, determine that then this ONU enters the pattern of dozing off;
Further, the strategy that pre-establishes among the OLT401 can also comprise:
If OLT401 determines the free time of this ONU and surpasses setting-up time section B, determine that then this ONU enters the hypophypnosis pattern;
If OLT401 determines the free time of this ONU and surpasses setting-up time section C, then determine this ONU penetration depth sleep pattern.
Above-mentioned setting-up time section A, setting-up time section B, setting-up time section C those skilled in the art can be according to the actual conditions setting.Such as, it is that 1s, setting-up time section B are that 3s, setting-up time section C are 6s that setting-up time section A is set.
Obviously, those skilled in the art can arrange according to actual conditions other strategy.
In this step, after OLT401 determines the low-power consumption mode of ONU, send corresponding Low-Power Instruction to this ONU; Preferably, Low-Power Instruction can comprise: with the pattern of the dozing off mode instruction of dozing off accordingly; Further, Low-Power Instruction can also comprise: with the corresponding hypophypnosis mode instruction of hypophypnosis pattern, with the corresponding deep sleep mode instruction of deep sleep mode.
Particularly, enter the pattern of dozing off if OLT401 determines this ONU, then send the mode instruction of dozing off to this ONU;
If OLT401 determines this ONU and enters the hypophypnosis pattern, then send the hypophypnosis mode instruction to this ONU;
If OLT401 determines this ONU penetration depth sleep pattern, then send the deep sleep mode instruction to this ONU.
Above-mentioned Low-Power Instruction specifically can be carried at OLT401 in the GATE message of this ONU transmission.Particularly, after OLT401 determined that this ONU enters low-power consumption mode, OLT401 carried Low-Power Instruction in each the GATE message that sends to this ONU, until receive the notice of reviving that this ONU sends.
After S502:ONU403 received the Low-Power Instruction of OLT401 transmission, the ONU optical module of controlling this ONU entered low-power consumption mode.
Particularly, after ONU403 received the Low-Power Instruction of OLT401 transmission, the ONU system equipment of ONU403 sent corresponding low-power consumption mode control command to the ONU optical module, and the ONU optical module of controlling this ONU enters corresponding low-power consumption mode.
The low-power consumption mode control command can comprise: with the pattern of dozing off doze off accordingly the pattern control command, with the corresponding hypophypnosis pattern of described hypophypnosis pattern control command, with the corresponding deep sleep mode control command of described deep sleep mode.
If the Low-Power Instruction that ONU403 receives is the mode instruction of dozing off, then the ONU system equipment sends the pattern control command of dozing off to the ONU optical module; After MCU in the ONU optical module received the pattern control command of dozing off, the drive circuit in the ONU optical module sent information, and the control drive circuit is cut to bias current and the modulated current that laser provides, thereby the ONU optical module enters the pattern of dozing off;
If the Low-Power Instruction that ONU403 receives is the hypophypnosis mode instruction, then the ONU system equipment sends hypophypnosis pattern control command to the ONU optical module; After MCU in the ONU optical module receives hypophypnosis pattern control command, send information to described drive circuit, controlling described drive circuit will reduce for bias current and the modulated current that laser provides, and to described amplitude limiting amplifier circuit transmission information, control reduces the electric current in the described amplitude limiting amplifier circuit;
If the Low-Power Instruction that ONU403 receives is the deep sleep mode instruction, then the ONU system equipment sends the deep sleep mode control command to the ONU optical module; After MCU in the ONU optical module receives the deep sleep mode control command, send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides, and to described amplitude limiting amplifier circuit transmission information, control the path of described amplitude limiting amplifier circuit cut-out and described TIA.
Above-mentioned low-power consumption mode control command can be sent to the ONU optical module by iic bus or other serial or parallel bus by the ONU system equipment; Also can be by the MCU in the ONU system equipment, by its general input/output port pin (GPIO pin) that links to each other with MCU in the ONU optical module, send the low-power consumption mode control command to the ONU optical module.
That is to say, be specially when dozing off pattern at described low-power consumption mode that after namely the MCU of ONU optical module received the pattern control command of dozing off, the drive circuit in the control ONU optical module was cut to bias current and the modulated current that laser provides;
When described low-power consumption mode is specially deep sleep mode, be after the MCU of ONU optical module receives the deep sleep mode control command, drive circuit in the control ONU optical module is cut to bias current and the modulated current that laser provides, and the amplitude limiting amplifier circuit in the control ONU optical module cuts off and the path of trans-impedance amplifier TIA;
When described low-power consumption mode is specially the hypophypnosis pattern, be after the MCU of ONU optical module receives hypophypnosis pattern control command, drive circuit in the control ONU optical module will reduce for bias current and the modulated current that laser provides, and the electric current in the amplitude limiting amplifier circuit in the control reduction ONU optical module.
After S503:ONU403 received the information of terminal use's transmission, the ONU optical module of controlling this ONU withdrawed from low-power consumption mode, enters normal mode of operation.
After the ONU optical module enters low-power consumption mode, if ONU403 receives the information that the terminal use sends, then the ONU system equipment of ONU403 sends to the ONU optical module and wakes control command up, after the MCU of ONU optical module receives and wakes control command up, withdraw from low-power consumption mode, enter normal mode of operation, the drive circuit of namely controlling in the ONU optical module provides normal bias current and modulated current for laser, electric current in the amplitude limiting amplifier circuit in the control ONU optical module reverts to normal electric current, and the normal electric current that receives described TIA output of amplitude limiting amplifier circuit.
S504:ONU403 sends the notice of reviving to OLT401 after control ONU optical module withdraws from low-power consumption mode.
ONU403 sends the notice of reviving to OLT401 after control ONU optical module withdraws from low-power consumption mode, inform that this ONU of OLT401 has withdrawed from low-power consumption mode, enters normal mode of operation.The notice of reviving that ONU403 sends to OLT401 specifically can be carried in the GATE message and send.
Further, the strategy that pre-establishes among the OLT401 can also comprise: if this OLT receives the low-power consumption solicited message that ONU sends, determine that then this ONU enters low-power consumption mode.Concrete flow process comprises the steps: as shown in Figure 6
S601:ONU403 is according to the rule that pre-establishes, determine that this ONU enters low-power consumption mode after, send the low-power consumption solicited message to OLT401.
Particularly, low-power consumption solicited message can comprise: with the pattern of dozing off doze off accordingly mode request information, with the corresponding hypophypnosis mode request of hypophypnosis pattern information, with the corresponding deep sleep mode solicited message of deep sleep mode.
The rule that pre-establishes among the ONU403 can be as follows:
If ONU determines the downlink data flow of this ONU and drops to 0, determine that then this ONU enters the low-power consumption mode of the pattern of dozing off, send the mode request information of dozing off to OLT401;
If ONU determines the free time of this ONU and surpasses setting-up time section D, determine that then this ONU enters the low-power consumption mode of hypophypnosis pattern, send hypophypnosis mode request information to OLT401;
If ONU determines the free time of this ONU and surpasses setting-up time section E, then determine the low-power consumption mode of this ONU penetration depth sleep pattern, send the deep sleep mode solicited message to described OLT.
Obviously, those skilled in the art can set according to actual conditions other rule.Above-mentioned setting-up time section D, setting-up time section E those skilled in the art can be according to the actual conditions setting.Such as, it is that 3s, setting-up time section E are 6s that setting-up time section D is set.
The low-power consumption solicited message that ONU403 sends specifically can be carried in the GATE message and send to OLT401.
S602:OLT401 determines that this ONU enters low-power consumption mode after receiving the low-power consumption solicited message of ONU403 transmission.
Particularly, OLT401 determines that this ONU enters corresponding low-power consumption mode after the low-power consumption solicited message that receives the ONU403 transmission:
If OLT401 receives the mode request information of dozing off that ONU403 sends, determine that then this ONU enters the low-power consumption mode of the pattern of dozing off;
If OLT401 receives the hypophypnosis mode request information that ONU403 sends, determine that then this ONU enters the low-power consumption mode of hypophypnosis pattern;
If OLT401 receives the deep sleep mode solicited message that ONU403 sends, then determine the low-power consumption mode of this ONU penetration depth sleep pattern.
S603:OLT401 sends Low-Power Instruction to this ONU after determining that ONU403 enters low-power consumption mode.
Particularly, OLT401 sends corresponding Low-Power Instruction to this ONU after determining that ONU403 enters low-power consumption mode.
After OLT401 determined that ONU403 enters low-power consumption mode, the method that sends corresponding Low-Power Instruction to this ONU was identical with related content in the above-mentioned steps 501, repeats no more herein;
Each step that ONU403 sends behind the Low-Power Instruction is identical with above-mentioned steps S502-S504, also repeats no more herein.
The internal structure block diagram of above-mentioned optical line terminal OLT 401 as shown in Figure 7, comprising: low-power consumption mode determination module 701, instruction sending module 702.
After low-power consumption mode determination module 701 enters low-power consumption mode for an ONU who goes out EPON according to the strategy decision that pre-establishes, output low-power consumption notice;
Instruction sending module 702 is used for after the low-power consumption notice that receives 701 outputs of low-power consumption mode determination module, and the ONU that enters low-power consumption mode that determines to low-power consumption mode determination module 701 sends Low-Power Instruction.
Particularly, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And low-power consumption mode determination module 701 comprises such as one of lower unit, perhaps such as the combination in any of lower unit:
The mode unit 711 of dozing off is used for determining that this ONU enters the pattern of dozing off after the free time of described ONU surpasses setting-up time section A, exports described low-power consumption notice;
Hypophypnosis mode unit 712 is used for determining that this ONU enters the hypophypnosis pattern after the free time of described ONU surpasses setting-up time section B, exports described low-power consumption notice;
Deep sleep mode unit 713 is used for determining this ONU penetration depth sleep pattern after the free time of described ONU surpasses setting-up time section C, exports described low-power consumption notice.
Further, low-power consumption mode determination module 701 also can comprise:
Low-power consumption solicited message receiving element 714 is used for determining that this ONU enters and the corresponding low-power consumption mode of described low-power consumption solicited message after described OLT receives the low-power consumption solicited message of described ONU transmission, and exports described low-power consumption notice; Wherein, described low-power consumption solicited message specifically comprises: with the described pattern of dozing off doze off accordingly mode request information, with the corresponding hypophypnosis mode request of described hypophypnosis pattern information, with the corresponding deep sleep mode solicited message of described deep sleep mode.
Particularly, described Low-Power Instruction can comprise: with the described pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; Then instruction sending module 702 specifically can comprise:
Message generating module 721, be used for after the low-power consumption notice that receives 701 outputs of low-power consumption mode determination module, the GATE message that the ONU that enters low-power consumption mode that generation determines to low-power consumption mode determination module 701 sends, and corresponding Low-Power Instruction is carried in this GATE message;
Message transmission module 722 is used for the GATE message that described message generating module generates is sent.
The internal structure block diagram of above-mentioned optical network unit ONU 403 as shown in Figure 8, comprising: ONU system equipment 801, ONU optical module 802.
ONU system equipment 801 is behind the Low-Power Instruction that receives the OLT transmission, and control ONU optical module 802 enters low-power consumption mode.
Wherein, ONU system equipment 801 specifically comprises: command reception parsing module 811, optical module control module 812;
Command reception parsing module 811 is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to optical module control module 812;
Optical module control module 812 is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, and control ONU optical module 802 enters corresponding low-power consumption mode.
Wherein, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described Low-Power Instruction specifically comprises: with the pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode.
Further, the ONU system equipment also comprises: low-power consumption decision module 813, solicited message sending module 814.
Low-power consumption decision module 813 is used for determining to enter the pattern of dozing off after the downlink data flow of determining this ONU drops to 0, sends the pattern notice of dozing off; Perhaps, after the free time of determining this ONU surpasses setting-up time section D, determine to enter the hypophypnosis pattern, send hypophypnosis pattern notice; Perhaps, after the free time of determining this ONU surpasses setting-up time section E, determine the penetration depth sleep pattern, send the deep sleep mode notice;
The notice that solicited message sending module 814 is used for according to 813 transmissions of low-power consumption decision module sends corresponding low-power consumption solicited message.Wherein, low-power consumption solicited message specifically comprises: with the pattern of dozing off doze off accordingly mode request information, with the corresponding hypophypnosis mode request of hypophypnosis pattern information, with the corresponding deep sleep mode solicited message of deep sleep mode.
Further, optical module control module 812 also is used for after control ONU optical module 802 enters corresponding low-power consumption mode, after if described optical network unit receives the information of terminal use's transmission, withdraw from the low-power consumption mode control command to ONU optical module 802, control ONU optical module 802 withdraws from low-power consumption mode; And
Solicited message sending module 814 also is used for sending the notice of reviving to described OLT after optical module control module 812 control ONU optical modules 802 withdraw from low-power consumption mode.
As shown in Figure 9, comprise in the ONU optical module 802: MCU(Microprogrammed ControlUnit, microprogram control unit) 921, laser 922 and drive circuit 923 thereof, photodiode 924, trans-impedance amplifier TIA925, amplitude limiting amplifier circuit 926.
Usually, comprise laser emission element in the ONU optical module, in order to launch uplink optical signal; Also comprise the laser pick-off unit in the ONU optical module, the downlink optical signal that sends in order to receive OLT.
In laser emission element, generally include: laser and drive circuit thereof, after drive circuit receives the signal of telecommunication, launch the laser of specific wavelength as uplink optical signal according to Laser emission light source in the signal of telecommunication drive laser that receives.
In the laser pick-off unit, generally include: optical fiber receive module and amplitude limiting amplifier circuit; Optical fiber receive module generally includes: photodiode, trans-impedance amplifier TIA.Photodiode is exported corresponding response current to TIA after detecting downlink optical signal, TIA then exports corresponding differential electric signal; This differential signal is sent to amplitude limiting amplifier circuit, and amplitude limiting amplifier circuit carries out limited range enlargement with this differential signal, exports the corresponding signal of telecommunication.
MCU in the ONU optical module can communicate by letter with drive circuit by iic bus or other universal serial bus or parallel bus, in order to controlling drive circuit, or the parameter of configuration driven circuit;
MCU in the ONU optical module also can communicate by letter with amplitude limiting amplifier circuit by iic bus or other universal serial bus or parallel bus, in order to controlling amplitude limiting amplifier circuit, or the parameter of configuration amplitude limiting amplifier circuit.
In the ONU optical module 802 that the embodiment of the invention provides:
MCU921 is after receiving the low-power consumption mode control command, and control ONU optical module 802 enters low-power consumption mode and specifically can be:
MCU921 receives described low-power consumption mode control command; If determine that described low-power consumption mode control command is the pattern control command of dozing off, then to drive circuit 923 transmission information, control drive circuit 923 is cut to bias current and the modulated current that laser 922 provides, thereby control ONU optical module 802 enters the low-power consumption mode of the pattern of dozing off;
Perhaps, if MCU921 determines that described low-power consumption mode control command is the deep sleep mode control command, then to drive circuit 923 transmission information, control drive circuit 923 is cut to bias current and the modulated current that laser 922 provides, and to amplitude limiting amplifier circuit 926 transmission information, control amplitude limiting amplifier circuit 926 cuts off the path with TIA925, thus the low-power consumption mode of control ONU optical module 802 penetration depth sleep patterns;
Perhaps, if MCU921 determines that described low-power consumption mode control command is hypophypnosis pattern control command, then to drive circuit 923 transmission information, control drive circuit 923 will reduce for bias current and the modulated current that laser 922 provides, and to amplitude limiting amplifier circuit 926 transmission information, control reduces the electric current in the amplitude limiting amplifier circuit 926.
Further, MCU921 receive withdraw from the low-power consumption mode control command after, control ONU optical module 802 withdraws from low-power consumption mode: normal bias current and modulated current that MCU921 control drive circuit 923 provides for laser 922, the MCU921 control amplitude limiting amplifier circuit 926 normal output currents that receive TIA925, and the electric current in the control amplitude limiting amplifier circuit 926 recovers normal.
In fact, because ONU sends the time of light signal and is arranged by OLT control, therefore, for the ONU optical module that allows ONU saving power consumption can not simply, directly control voluntarily this ONU enters low-power consumption mode,, ONU can cause the confusion of whole passive optical network if being advanced into low-power consumption mode certainly.Based on this, in the technical scheme that the embodiment of the invention provides, OLT according to the strategy that pre-establishes after judging ONU and can entering low-power consumption mode, send Low-Power Instruction by OLT to ONU, indication ONU enters low-power consumption mode, thereby OLT can control the situation of the ONU in the whole EPON, avoids causing confusion; And after ONU enters low-power consumption mode according to instruction control ONU optical module, or close the emission that laser temporarily stops light signal, or the output of cutting off optical fiber receive module temporarily stops the reception of light signal, thus reach the purpose of saving power consumption, energy savings.
And ONU can come to life from low-power consumption mode after receiving the upstream data that sends from the terminal use voluntarily, and sends out public notice and inform OLT, thereby enters normal operating state.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, this program can be stored in the computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. low power consumption control method in the EPON, wherein, described EPON comprises: optical line terminal OLT and a plurality of optical network unit ONU; Described method comprises:
For one of them ONU, described OLT sends Low-Power Instruction to this ONU after entering low-power consumption mode according to this ONU of strategy decision that pre-establishes;
The ONU system equipment of this ONU is after receiving described Low-Power Instruction, and the ONU optical module of controlling this ONU enters low-power consumption mode.
2. the method for claim 1 is characterized in that, described strategy comprises:
Receive the low-power consumption solicited message of described ONU transmission at described OLT after, determine that this ONU enters low-power consumption mode; Perhaps
The free time that described OLT determines this ONU surpasses the setting-up time section, determines that then this ONU enters low-power consumption mode; And
Described low-power consumption mode is specially the pattern of dozing off, and described ONU optical module enters low-power consumption mode and is specially:
Drive circuit in the described ONU optical module is cut to bias current and the modulated current that laser provides; Perhaps,
Described low-power consumption mode is specially deep sleep mode, and described ONU optical module enters low-power consumption mode and is specially:
Drive circuit in the described ONU optical module is cut to bias current and the modulated current that laser provides, and the amplitude limiting amplifier circuit in the described ONU optical module cuts off and the path of trans-impedance amplifier TIA; Perhaps,
Described low-power consumption mode is specially the hypophypnosis pattern, and described ONU optical module enters low-power consumption mode and is specially:
Bias current and modulated current that drive circuit in the described ONU optical module will provide for laser reduce, and reduce the electric current in the amplitude limiting amplifier circuit in the described ONU optical module.
3. an EPON comprises: optical line terminal OLT and a plurality of optical network unit ONU;
Described OLT sends Low-Power Instruction to this ONU after going out one of them ONU and enter low-power consumption mode according to the strategy decision that pre-establishes;
The ONU system equipment of this ONU is after receiving described Low-Power Instruction, and the ONU optical module of controlling this ONU enters low-power consumption mode.
4. optical-fiber network as claimed in claim 3 is characterized in that, described OLT comprises:
The low-power consumption mode determination module enters low-power consumption mode if be used for determining an ONU who communicates by letter with this OLT according to the strategy that pre-establishes, and then exports the low-power consumption notice;
Instruction sending module is used for after receiving the low-power consumption notice of described low-power consumption mode determination module output, and the ONU that enters low-power consumption mode that determines to described low-power consumption mode determination module sends Low-Power Instruction.
5. the optical line terminal OLT in the EPON comprises:
The low-power consumption mode determination module, after being used for entering low-power consumption mode according to the ONU that the strategy decision that pre-establishes goes out described optical-fiber network, output low-power consumption notice;
Instruction sending module is used for after receiving the low-power consumption notice of described low-power consumption mode determination module output, and the ONU that enters low-power consumption mode that determines to described low-power consumption mode determination module sends Low-Power Instruction.
6. optical line terminal as claimed in claim 5 is characterized in that, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described low-power consumption mode determination module comprises such as one of lower unit, perhaps such as the combination in any of lower unit:
The mode unit of dozing off is used for determining that this ONU enters the pattern of dozing off after the free time of described ONU surpasses setting-up time section A, exports described low-power consumption notice;
The hypophypnosis mode unit is used for determining that this ONU enters the hypophypnosis pattern after the free time of described ONU surpasses setting-up time section B, exports described low-power consumption notice;
The deep sleep mode unit is used for determining this ONU penetration depth sleep pattern after the free time of described ONU surpasses setting-up time section C, exports described low-power consumption notice.
7. an optical network unit comprises: ONU system equipment and ONU optical module;
Described ONU system equipment is controlled described ONU optical module and is entered low-power consumption mode behind the Low-Power Instruction that receives the OLT transmission.
8. optical network unit as claimed in claim 7 is characterized in that, described low-power consumption mode specifically comprises: the pattern of dozing off, hypophypnosis pattern, deep sleep mode; And described Low-Power Instruction specifically comprises: with the pattern of dozing off doze off accordingly mode instruction, with the corresponding hypophypnosis mode instruction of described hypophypnosis pattern, with the corresponding deep sleep mode instruction of described deep sleep mode; And,
Described ONU system equipment comprises: command reception parsing module, optical module control module;
Described command reception parsing module is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to described optical module control module;
Described optical module control module is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, controls described ONU optical module and enters corresponding low-power consumption mode.
9. the ONU system equipment in the optical network unit comprises: command reception parsing module, optical module control module;
Described command reception parsing module is Low-Power Instruction if parse this instruction after being used for receiving the instruction of OLT transmission, then analysis result is sent to described optical module control module;
Described optical module control module is used for sending corresponding low-power consumption mode control command according to the Low-Power Instruction of described analysis result to described ONU optical module, controls described ONU optical module and enters corresponding low-power consumption mode.
10. the ONU optical module in the optical network unit comprises: MCU, laser and drive circuit thereof, trans-impedance amplifier TIA, amplitude limiting amplifier circuit;
Described MCU is used for receiving described low-power consumption mode control command; Described low-power consumption mode control command specifically comprises: with the pattern of dozing off doze off accordingly the pattern control command, with the corresponding hypophypnosis pattern of described hypophypnosis pattern control command, with the corresponding deep sleep mode control command of described deep sleep mode;
If described MCU determines that described low-power consumption mode control command is the pattern control command of dozing off, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides; Perhaps,
If described MCU determines that described low-power consumption mode control command is the deep sleep mode control command, then send information to described drive circuit, control described drive circuit and be cut to bias current and the modulated current that described laser provides, and to described amplitude limiting amplifier circuit transmission information, control the path of described amplitude limiting amplifier circuit cut-out and described TIA; Perhaps,
If described MCU determines that described low-power consumption mode control command is hypophypnosis pattern control command, then send information to described drive circuit, controlling described drive circuit will reduce for bias current and the modulated current that laser provides, and to described amplitude limiting amplifier circuit transmission information, control reduces the electric current in the described amplitude limiting amplifier circuit.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049115A (en) * | 2015-08-17 | 2015-11-11 | 上海斐讯数据通信技术有限公司 | EPON-based hibernation method and system |
| CN107786281A (en) * | 2017-11-03 | 2018-03-09 | 青岛海信宽带多媒体技术有限公司 | Optical module and its power consumption control method, device |
| CN108111318A (en) * | 2017-12-28 | 2018-06-01 | 国网河南省电力公司信息通信公司 | Towards the energy communication service route planning algorithm of equiblibrium mass distribution |
| CN108429585A (en) * | 2018-03-02 | 2018-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical module control method, device and optical module |
| CN111490824A (en) * | 2020-03-11 | 2020-08-04 | 普联技术有限公司 | Energy-saving method and device for optical communication equipment, optical communication equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008037178A1 (en) * | 2006-09-30 | 2008-04-03 | Huawei Technologies Co., Ltd. | The optical network unit and its accessing method, the optical line terminal and the passive optical network system |
| CN101794169A (en) * | 2010-03-08 | 2010-08-04 | 北京航空航天大学 | Method for controlling energy consumption of cluster system based on changing control mode |
| CN101877611A (en) * | 2009-04-30 | 2010-11-03 | 华为技术有限公司 | Method for reducing consumption of passive optical network line, optical network unit device and terminal |
| CN102131132A (en) * | 2010-11-04 | 2011-07-20 | 华为技术有限公司 | Energy-saving method and equipment for passive optical network (PON) |
| CN202385241U (en) * | 2011-12-13 | 2012-08-15 | 青岛海信宽带多媒体技术有限公司 | Optical module for symmetrical 10-gigabit Ethernet passive optical network (EPON) system |
-
2012
- 2012-10-12 CN CN201510788610.7A patent/CN105323662B/en active Active
- 2012-10-12 CN CN201210385637.8A patent/CN102932697B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008037178A1 (en) * | 2006-09-30 | 2008-04-03 | Huawei Technologies Co., Ltd. | The optical network unit and its accessing method, the optical line terminal and the passive optical network system |
| CN101877611A (en) * | 2009-04-30 | 2010-11-03 | 华为技术有限公司 | Method for reducing consumption of passive optical network line, optical network unit device and terminal |
| CN101794169A (en) * | 2010-03-08 | 2010-08-04 | 北京航空航天大学 | Method for controlling energy consumption of cluster system based on changing control mode |
| CN102131132A (en) * | 2010-11-04 | 2011-07-20 | 华为技术有限公司 | Energy-saving method and equipment for passive optical network (PON) |
| CN202385241U (en) * | 2011-12-13 | 2012-08-15 | 青岛海信宽带多媒体技术有限公司 | Optical module for symmetrical 10-gigabit Ethernet passive optical network (EPON) system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049115A (en) * | 2015-08-17 | 2015-11-11 | 上海斐讯数据通信技术有限公司 | EPON-based hibernation method and system |
| CN105049115B (en) * | 2015-08-17 | 2017-09-19 | 上海斐讯数据通信技术有限公司 | A kind of dormancy method and system based on EPON |
| CN107786281A (en) * | 2017-11-03 | 2018-03-09 | 青岛海信宽带多媒体技术有限公司 | Optical module and its power consumption control method, device |
| CN108111318A (en) * | 2017-12-28 | 2018-06-01 | 国网河南省电力公司信息通信公司 | Towards the energy communication service route planning algorithm of equiblibrium mass distribution |
| CN108429585A (en) * | 2018-03-02 | 2018-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical module control method, device and optical module |
| CN108429585B (en) * | 2018-03-02 | 2021-06-01 | 青岛海信宽带多媒体技术有限公司 | Optical module control method and device and optical module |
| CN111490824A (en) * | 2020-03-11 | 2020-08-04 | 普联技术有限公司 | Energy-saving method and device for optical communication equipment, optical communication equipment and storage medium |
| CN111490824B (en) * | 2020-03-11 | 2021-11-12 | 普联技术有限公司 | Energy-saving method and device for optical communication equipment, optical communication equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102932697B (en) | 2015-12-02 |
| CN105323662A (en) | 2016-02-10 |
| CN105323662B (en) | 2018-11-02 |
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