WO2015188510A1 - 反向供电管理方法、装置及系统 - Google Patents

反向供电管理方法、装置及系统 Download PDF

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Publication number
WO2015188510A1
WO2015188510A1 PCT/CN2014/087227 CN2014087227W WO2015188510A1 WO 2015188510 A1 WO2015188510 A1 WO 2015188510A1 CN 2014087227 W CN2014087227 W CN 2014087227W WO 2015188510 A1 WO2015188510 A1 WO 2015188510A1
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Prior art keywords
power supply
reverse power
terminal device
central office
information
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PCT/CN2014/087227
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English (en)
French (fr)
Inventor
程明明
张伟良
Original Assignee
中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14894654.4A priority Critical patent/EP3142293B1/en
Priority to US15/317,689 priority patent/US10256639B2/en
Priority to JP2016572567A priority patent/JP6345810B2/ja
Publication of WO2015188510A1 publication Critical patent/WO2015188510A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40045—Details regarding the feeding of energy to the node from the bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Definitions

  • the present invention relates to the field of communications, and in particular to a reverse power supply management method, apparatus, and system.
  • DSL Digital Subscriber Line
  • the latest G.fast technology can provide asymmetric transmission with a 1 Gbps uplink and downlink net rate on a twisted pair by extending the spectrum.
  • FIG 1 is a schematic diagram of G.fast supporting a reverse-powered Fiber to the Distribution Point (FTTDP).
  • FTTDP Fiber to the Distribution Point
  • the central office equipment of the distribution point (DP) is usually deployed in the basement or wiring hole of the house. Due to the complexity of the access environment, the power supply of the equipment is difficult. If dedicated wires are routed from the public power source to the central office equipment, the cost of system deployment will increase. Since the distance between the central office device and the terminal device is generally less than 200 meters, the user terminal device can supply power to the central office device in reverse.
  • the present invention provides a reverse power supply management method, apparatus, and system to solve at least the problem of how to perform reverse power supply management when multiple user equipments connected to the central office equipment are reversely supplied with power to the central office equipment. The above question.
  • a reverse power supply management method including: acquiring, in a process of performing reverse power supply to the central office device stably in connection with each terminal device connected to the central office device The reverse power supply information of the terminal device is determined; the reverse power supply management information of each terminal device is determined according to the obtained reverse power supply information of the terminal device of each link; and the reverse power supply management information of each terminal device is separately transmitted And corresponding to the terminal device, instructing the terminal devices to adjust parameters for reversely supplying power to the central office device according to the received reverse power supply management information.
  • the reverse power supply information includes: reverse power supply capability information of the terminal device and attribute information of the link.
  • the obtaining the reverse power supply information of the terminal device of the link includes: obtaining, by the central office device, the reverse power supply capability information of each terminal device by using a predetermined manner, where the reverse power supply capability information
  • the device includes: a reverse power supply capability, a power state, and a service state.
  • the central office device acquires attribute information of each link by using a predetermined manner, where the attribute information includes: an ascending order of the line and an impedance characteristic of the line.
  • the transmitting the reverse power supply management information of each terminal device to the terminal devices separately includes: the central office device separately, by using a specific channel or protocol, reverse power supply management information of each of the terminal devices Transmitted to the corresponding terminal device.
  • determining the reverse power supply management information of each terminal device according to the obtained reverse power supply information of the terminal device of each link including: the reverse direction of the terminal device according to each link of the link device
  • the power supply information, the power supply of the reverse power supply of each of the terminal devices is determined according to a first principle of fairness and efficiency balance; and/or the central office device according to the reverse power supply information of the terminal devices of each link, Determining, according to the second principle of fairness and efficiency, the terminal devices participating in the reverse power supply in the respective terminal devices, and the power supply time of each terminal device participating in the reverse power supply in each cycle; and/or the central office end Determining, according to the reverse power supply information of the terminal device of each link, that one or more of the terminal devices are currently not in service or in a battery state, and determining that the indication needs to be sent to the one or more terminal devices Reverse power management information to power off.
  • the first principle includes at least one of the following: the terminal devices perform average power allocation; the power allocation is inversely proportional to the length of the link; and the more power allocated by the link with the physical characteristics; the power supply capability The higher the terminal device allocates more power; the battery state terminal device does not allocate power; the idle terminal device allocates less power than the idle terminal device allocates less power; only the protocol terminal device allocates power; A power allocation that maximizes efficiency is considered in consideration of various aspects recorded in the reverse power supply information of each terminal device and the attribute information of the corresponding link.
  • the central office device determines the terminal device that participates in the reverse power supply in each of the terminal devices according to the second principle of fairness and efficiency, and the method includes: determining, by the central office device, that the terminal device is not currently A service or a terminal device in a battery state does not participate in reverse power supply, and other terminal devices participate in reverse power supply.
  • the method further includes: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or in each terminal device
  • the reverse power supply management information of the one or more terminal devices is changed, the reverse power supply management information of each terminal device is re-determined, and the re-determined reverse power supply management information of each terminal device is sent to the corresponding terminal device.
  • a reverse power supply management apparatus comprising: an acquisition module, configured to stably reverse power supply to the central office equipment at each terminal device connected to the central office device The obtaining the reverse power supply information of the terminal device of each link; the determining module is configured to determine, according to the obtained reverse power supply information of each terminal device, the reverse power supply management information of the terminal device; the transmission module, setting In order to transmit the reverse power supply management information of the terminal devices to the terminal devices, the terminal devices are instructed to adjust the reverse power supply to the central office device according to the received reverse power supply management information. parameter.
  • the determining module includes: a first determining unit, configured to determine a power allocation of the reverse power supply of each of the terminal devices according to a first principle of fairness and efficiency balancing; and/or a second determining unit, setting In order to follow the second principle of fairness and efficiency, the terminal devices participating in the reverse power supply in the respective terminal devices and the power supply time of each terminal device participating in the reverse power supply in each cycle are determined.
  • the acquiring module includes: a first acquiring unit, configured to acquire reverse power supply capability information of each terminal device by using a predetermined manner, where the reverse power supply capability information includes: a reverse power supply capability, and a power supply And a second acquiring unit, configured to acquire attribute information of each link by using a predetermined manner, where the attribute information includes: an ascending order of the line and an impedance characteristic of the line.
  • the device further includes: an update module, configured to: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or When the reverse power supply information of one or more of the terminal devices changes, the reverse power supply management information of each terminal device is re-determined, and the reverse power supply management information of the terminal devices is re-determined. Give the corresponding terminal device.
  • an update module configured to: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or When the reverse power supply information of one or more of the terminal devices changes, the reverse power supply management information of each terminal device is re-determined, and the reverse power supply management information of the terminal devices is re-determined.
  • a central office device including the reverse power management device described above.
  • a reverse power management system including: a central office device and one or more terminal devices, wherein the central office device includes the reverse power management device described above;
  • the terminal device is configured to receive reverse power supply management information sent by the central office device, and set a power supply parameter for supplying power to the central office device according to the reverse power supply management information.
  • the reverse power supply information of each terminal device currently linked by the central office device is collected, the reverse power supply management information of each terminal device is determined according to the collected reverse power supply information, and the reverse power supply management information of each terminal device is sent.
  • the corresponding terminal device instructs each terminal device to adjust the parameter for reverse power supply to the central office device according to the received reverse power supply management information, and solves the problem that the power supply management of the reverse power supply terminal device cannot be performed in the related art. It can effectively manage the power supply of the reverse-powered terminal equipment, ensuring the normal operation of the central office equipment and the terminal equipment.
  • FIG. 1 is a schematic diagram of a fiber-to-distribution point (FTTDP) in which G.fast supports reverse power supply in the related art;
  • FTTDP fiber-to-distribution point
  • FIG. 2 is a flow chart of a reverse power management method according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a reverse power supply management apparatus according to an embodiment of the present invention.
  • Figure 4 is a flow chart of the first embodiment
  • Figure 5 is a flow chart of the second embodiment
  • Figure 6 is a flow chart of the third embodiment.
  • a reverse power supply management method is provided.
  • FIG. 2 is a flowchart of a reverse power supply management method according to an embodiment of the present invention. As shown in FIG. 2, the method mainly includes the following steps S202 to S206.
  • step S202 the reverse power supply information of the terminal device of each link is obtained in the process of performing reverse power supply to the central office device stably in each terminal device connected to the central office device.
  • the step S202 may include: the central office device may acquire the reverse power supply capability information of the terminal devices by using a predetermined manner, where the reverse power supply capability information may include: a reverse power supply capability, a power state And the service status; the central office device acquires attribute information of each link by using a predetermined manner, where the attribute information includes: an ascending order of the line and an impedance characteristic of the line.
  • Step S204 Determine reverse power supply management information of each terminal device according to the obtained reverse power supply information of each terminal device.
  • determining the reverse power supply management information of each terminal device may include: the central office device is based on the reverse power supply information of the terminal device of each link, and the fairness and efficiency are balanced. Determining, by the first principle, a power distribution of the reverse power supply of each of the terminal devices; and/or determining, by the central office device according to the reverse power supply information of the terminal devices of each link, according to a second principle of fairness and efficiency balance The terminal device participating in the reverse power supply in each terminal device, and the power supply time of each terminal device participating in the reverse power supply in each cycle; and/or the reverse of the terminal device according to the link device of each link The power supply information determines that one or more of the terminal devices are currently not in service or in a battery state, and determines that the reverse power supply management information indicating that the reverse power supply is turned off needs to be sent to the one or more terminal devices.
  • the principle of power allocation includes at least one of the following: the terminal devices perform average power allocation; the power allocation is inversely proportional to the length of the link; and the more the physical characteristics are allocated, the more power is allocated; The higher the terminal device allocates more power; the terminal device in the battery state does not allocate power; the power allocated by the terminal device in the idle state is less allocated by the terminal device in the idle state; only the power is allocated to the terminal device of the protocol; Each of the reverse power supply information of each terminal device and the various conditions recorded in the attribute information of the corresponding link perform power allocation with maximum efficiency.
  • the terminal device when determining, by the central office device, the terminal device that participates in the reverse power supply in each terminal device according to the second principle of fairness and efficiency, determining that the current no service in the terminal device is in a battery state.
  • the terminal device does not participate in reverse power supply, and other terminal devices participate in reverse power supply.
  • Step S206 The reverse power supply management information of each terminal device is separately transmitted to the corresponding terminal device, and the terminal device is instructed to adjust the reverse power supply to the central office device according to the received reverse power supply management information. Parameters.
  • the central office device may separately transmit reverse power supply management information of each of the terminal devices to the corresponding terminal device through a specific channel or protocol.
  • the method may further include: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or in each terminal device
  • the reverse power supply management information of the one or more terminal devices changes, the reverse power supply management information of each terminal device is re-determined, and the re-determined reverse power supply management information of each terminal device is sent to the corresponding terminal. device.
  • the reverse proxy management method may include: Step 1: The terminal devices connected to the central office device are stably powered in reverse to the central office device.
  • Step 4 The central office device determines, according to the collected information, reverse power supply management information of each link terminal device.
  • the central office device transmits the reverse power management information to each terminal device through a specific channel or protocol. Step 6.
  • Each terminal device adjusts parameters of its reverse power supply module according to reverse power supply management information.
  • Step 7. When the power consumption requirement of the authority device changes, the central office device sends a new reverse power management information.
  • Step 8. When the number of terminal devices connected to the central office device changes, the central office device sends new reverse power supply management information.
  • Step 9. When the reverse power supply information is changed, the central office device sends new reverse power supply management information.
  • the central office device collects the reverse power supply information of each link, and then determines the management information of the reverse power supply of the terminal device according to the link, and finally sends the management information to each
  • the terminal device solves the problem of reverse power supply management that cannot be implemented in the related art, thereby ensuring the fairness of power supply between the terminal devices connected to the central office device and the reverse power supply. Power supply efficiency.
  • a reverse power management device is also provided.
  • FIG. 3 is a schematic structural diagram of a reverse power supply management apparatus according to an embodiment of the present invention.
  • the method mainly includes: an obtaining module 30, configured to be stable to each central terminal device connected to the central office device The reverse power supply information of the terminal device of each link is obtained, and the determining module 32 is configured to determine the reverse direction of each terminal device according to the obtained reverse power supply information of each terminal device. a power supply management information; the transmission module 34 is configured to transmit the reverse power supply management information of each terminal device to each terminal device, and instruct the terminal devices to adjust according to the received reverse power supply management information The parameter that the central office device supplies power in reverse.
  • the determining module 32 may include: a first determining unit, configured to determine a power allocation of the reverse power supply of each of the terminal devices according to a first principle of fairness and efficiency balancing; and/or a second determining unit And setting, according to the second principle of fairness and efficiency balance, determining the terminal devices participating in the reverse power supply in the respective terminal devices, and the power supply time of each terminal device participating in the reverse power supply in each cycle.
  • the obtaining module 32 may include: a first acquiring unit, configured to acquire reverse power supply capability information of each terminal device by using a predetermined manner, where the reverse power supply capability information includes: reverse power supply capability
  • the second acquisition unit is configured to acquire the attribute information of the links by using a predetermined manner, where the attribute information includes: an ascending order of the line and an impedance characteristic of the line.
  • the device further includes: an update module, configured to: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or When the reverse power supply information of one or more of the terminal devices changes, the reverse power supply management information of each terminal device is re-determined, and the reverse power supply management information of the terminal devices is re-determined. Give the corresponding terminal device.
  • an update module configured to: when the power consumption requirement of the central office device changes, or when the number of terminal devices connected to the central office device changes, or When the reverse power supply information of one or more of the terminal devices changes, the reverse power supply management information of each terminal device is re-determined, and the reverse power supply management information of the terminal devices is re-determined.
  • the device collects reverse power supply information of each link between the central office device and the terminal device, and then determines management information of the reverse power supply of the terminal device according to the link, and finally The management information is sent to each terminal device, and the problem of reverse power supply management that cannot be implemented in the related art is solved, thereby ensuring the fairness of power supply between the terminal devices connected to the central office device for the central office device, and also Improve the power supply efficiency of reverse power supply.
  • a central office device including the reverse power supply management device described above.
  • a reverse power supply management system includes: a central office device and one or more terminal devices, wherein the central office device includes the reverse power supply described above.
  • the management device is configured to receive reverse power supply management information sent by the central office device, and set a power supply parameter for supplying power to the central office device according to the reverse power supply management information.
  • the central office device collects the reverse power supply information of each link, and then determines the management information of the reverse power supply of the terminal device according to the link, and finally manages the management.
  • the information is sent to each terminal device, and each terminal device sets a power supply parameter for supplying power to the central office device according to the management information.
  • This embodiment describes the reverse power supply management scheme provided by the embodiment of the present invention by taking the reverse power supply power distribution as an example.
  • FIG. 4 is a flow chart of performing reverse power supply allocation in the embodiment. As shown in FIG. 4, the method mainly includes the following steps:
  • each terminal device connected to the central office device stably supplies power to the central office device.
  • Step 402 The central office device obtains reverse power supply capability information of each terminal device by using a PoE (Power over Ethenet) protocol.
  • PoE Power over Ethenet
  • Step 403 The central office equipment acquires length and impedance characteristic information of each link through an initialization process.
  • Step 404 The central office device acquires power state and service state information of each terminal device through the management channel.
  • Step 405 The central office device combines the obtained information to determine the power allocation of the reverse power supply of each link terminal device according to the principle of fairness and efficiency balance.
  • the principle of power allocation includes: the average power allocation by each user terminal, or the power allocation is inversely proportional to the length of the link; or the link power allocation with good physical characteristics is more; or the power allocation of the user terminal with high power supply capability Or; the user terminal in the battery state does not perform power allocation; or, the user terminal in the idle state has less power allocation; or, the power supply is only allocated to the protocol power supply user terminal; or the power that maximizes efficiency is considered in consideration of various aspects. distribution.
  • Step 406 The central office device transmits the determined power allocation value to each terminal device through a management channel (for example, an eloc command operation).
  • a management channel for example, an eloc command operation
  • Step 407 The terminal device acquires its power allocation value according to the relevant protocol, and then adjusts the power output of the reverse power supply module according to the value.
  • This embodiment is described by taking reverse power supply enable management as an example.
  • FIG. 5 is a flowchart of the reverse power supply enable management in the embodiment. As shown in FIG. 5, the method mainly includes the following steps:
  • Step 501 The terminal devices connected to the central office device are stably powered in reverse to the central office device.
  • Step 502 When a certain terminal device has no service or is transferred to the battery power supply state, the central office device transmits the enable signal Power-Off to the terminal device through a management channel (for example, an eloc command operation channel).
  • a management channel for example, an eloc command operation channel
  • Step 503 After receiving the enable signal, the terminal device turns off the power output of the reverse power supply module, and stops the reverse power supply to the central office device.
  • This embodiment takes the reverse power supply time management as an example for description.
  • FIG. 6 is a flowchart of the reverse power supply time management in the embodiment. As shown in FIG. 6, the method mainly includes the following steps:
  • Step 601 The terminal devices connected to the central office device are stably powered in reverse to the central office device.
  • Step 602 The central office equipment acquires length and impedance characteristic information of each link through an initialization process.
  • Step 603 The central office device obtains reverse power supply capability information of each terminal device by using a PoE (Power over Ethenet) protocol.
  • PoE Power over Ethenet
  • Step 604 The central office device acquires power state and service state information of each terminal device through a management channel.
  • Step 605 The central office device combines the obtained information to determine which link terminal devices participate in reverse power supply according to the principle of fairness and efficiency balance (the terminal device without service or battery status does not participate in reverse power supply, and other linked terminal devices Participate in reverse power supply, and the power supply time of the terminal equipment participating in the power supply.
  • step 606 the central office device transmits the time of the enable information Power-On/Off and the reverse power supply to each terminal device through a management channel (for example, an eloc command operation).
  • a management channel for example, an eloc command operation
  • Step 607 After the terminal device obtains the above information according to the relevant protocol, the terminal device that receives the Power-Off information turns off the power output of the reverse power supply module, and the terminal device that receives the Power-On information adjusts according to the power supply time received by the terminal device. The power output time of each cycle.
  • the embodiment of the present invention achieves the following technical effects: the problem of reverse power supply management that cannot be implemented in the related art is solved, thereby ensuring that each terminal device connected to the central office device is The fairness of the power supply of the central office equipment also increases the efficiency of the reverse power supply.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the reverse power supply information of each terminal device currently linked by the central office device is collected, and the reverse power supply management information of each terminal device is determined according to the collected reverse power supply information, and each terminal device is determined.
  • the reverse power supply management information is sent to the corresponding terminal device, and the terminal device is instructed to adjust the parameters for reverse power supply to the central office device according to the received reverse power supply management information, thereby solving the problem in the related art.
  • the power supply management problem of the reverse-powered terminal device can effectively manage the power supply of the reverse-powered terminal device, ensuring the normal operation of the central office device and the terminal device.

Abstract

一种反向供电管理方法、装置及系统。其中，该方法包括：在与局端设备连接的各终端设备稳定的向局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；根据获取的各链路的终端设备的反向供电信息确定各终端设备的反向供电管理信息；将各终端设备的反向供电管理信息分别传输给相应的终端设备，指示各终端设备按照接收到的反向供电管理信息调整向局端设备反向供电的参数。

Description

反向供电管理方法、装置及系统 技术领域
本发明涉及通信领域，具体而言，涉及一种反向供电管理方法、装置及系统。
背景技术
随着科学技术的高速发展，数字用户线(Digital Subscriber Line，简称为DSL)技术可以在普通的双绞线对上提供语音、视频和数据业务，其具有高速接入、维护开销低、对已有网络的充分利用以及使用安全等特点。
目前，最新的G.fast技术通过拓展频谱，能够在双绞线对上提供上下行净速率达到1Gbps的非对称传输。
图1是G.fast支持反向供电的光纤到分配点(Fiber to the Distribution Point，简称为FTTDP)的示意图。如图1所示，光纤到分配点(Distribution Point，简称为DP)的局端设备通常会部署在房屋地下室或者接线孔处，由于接入环境的复杂性，设备的供电比较困难。如果从公共电源处铺设专用电线到局端设备，会增加系统部署的成本。由于局端设备离终端设备的距离一般小于200米，因此可以通过用户端设备反向给局端设备供电。
相关技术中当连接到局端设备的多个用户设备反向给局端设备供电时，如何进行反向供电的管理，目前尚未提出有效的解决方案。
发明内容
针对当连接到局端设备的多个用户设备反向给局端设备供电时，如何进行反向供电的管理的问题，本发明提供了一种反向供电管理方法、装置及系统，以至少解决上述问题。
根据本发明的一个实施例，提供了一种反向供电管理方法，包括：在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；根据获取的各链路的终端设备的反向供电信息确定所述各终端设备的反向供电管理信息；将所述各终端设备的反向供电管理信息分别传输给相应的终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
可选地，所述反向供电信息包括：终端设备的反向供电能力信息和链路的属性信息。
可选地，获取所述各链路的终端设备的反向供电信息包括：所述局端设备通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息包括：反向供电能力、电源状态及业务状态；所述局端设备通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
可选地，将所述各终端设备的反向供电管理信息分别传输给所述各终端设备包括：所述局端设备通过特定通道或协议，将各个所述终端设备的反向供电管理信息分别传输给对应的所述终端设备。
可选地，根据获取的所述各链路的终端设备的反向供电信息确定所述各终端设备的反向供电管理信息，包括：所述局端设备根据各链路的终端设备的反向供电信息，所述按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，所述局端设备根据各链路的终端设备的反向供电信息，按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间；和/或，所述局端设备根据各链路的终端设备的反向供电信息，确定所述各终端设备中的一个或多个终端设备当前无业务或处于电池状态，确定需要向所述一个或多个终端设备发送指示反向供电关闭的反向供电管理信息。
可选地，所述第一原则包括以下至少之一：所述各终端设备进行平均功率分配；功率分配与链路的长度成反比；物理特性越来的链路分配的功率越多；供电能力越高的终端设备分配的功率越多；电池状态的终端设备不分配功率；空闲状态的终端设备分配的功率越非空闲状态的终端设备分配的功率少；仅给协议的终端设备分配功率；综合考虑各个终端设备的反向供电信息及对应的链路的属性信息中记录的各方面条件进行效率最大化的功率分配。
可选地，所述局端设备按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，包括：所述局端设备确定所述各终端设备中当前无业务或处于电池状态的终端设备不参与反向供电，其它终端设备参与反向供电。
可选地，所述方法还包括：当所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
根据本发明的另一个实施例，提供了一种反向供电管理装置，包括：获取模块，设置为在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；确定模块，设置为根据获取的所述各终端设备的反向供电信息确定所述各终端设备的反向供电管理信息；传输模块，设置为将所述各终端设备的反向供电管理信息分别传输给所述各终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
可选地，所述确定模块包括：第一确定单元，设置为按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，第二确定单元，设置为按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间。
可选地，所述获取模块包括：第一获取单元，设置为通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息包括：反向供电能力、电源状态及业务状态；第二获取单元，设置为通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
可选地，所述装置还包括：更新模块，设置为在所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
根据本发明的又一个实施例，提供了一种局端设备，其中，包括上述的反向供电管理装置。
根据本发明的又一个实施例，提供了一种反向供电管理系统，包括：局端设备和一个或多个终端设备，其中，所述局端设备包括上述的反向供电管理装置；所述终端设备，设置为接收所述局端设备发送的反向供电管理信息，并按照所述反向供电管理信息设置向所述局端设备供电的供电参数。
通过本发明，收集局端设备当前链接的各终端设备的反向供电信息，根据收集到反向供电信息确定各终端设备的反向供电管理信息，并将各终端设备的反向供电管理信息发送给相应的终端设备，指示各终端设备按照接收到的反向供电管理信息调整向局端设备进行反向供电的参数，解决了相关技术中无法对反向供电的终端设备进行供电管理的问题，可以有效的对反向供电的终端设备进行供电管理，确保了局端设备和终端设备的正常工作。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是相关技术中G.fast支持反向供电的光纤到分配点(FTTDP)的示意图；
图2是根据本发明实施例的反向供电管理方法的流程图；
图3是根据本发明实施例的反向供电管理装置的结构示意图；
图4是实施例一的流程图；
图5是实施例二的流程图；
图6是实施例三的流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
根据本发明实施例，提供了一种反向供电管理方法。
图2为根据本发明实施例的反向供电管理方法的流程图，如图2所示，该方法主要包括以下步骤S202至步骤S206。
步骤S202，在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的所述终端设备的反向供电信息。
可选地，步骤S202可以包括：所述局端设备可以通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息可以包括：反向供电能力、电源状态及业务状态；所述局端设备通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
步骤S204，根据获取的所述各终端设备的反向供电能信息确定所述各终端设备的反向供电管理信息。
可选地，在步骤S204中，确定所述各终端设备的反向供电管理信息可以包括：所述局端设备根据各链路的终端设备的反向供电信息，所述按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，所述局端设备根据各链路的终端设备的反向供电信息，按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间；和/或，所述局端设备根据各链路的终端设备的反向供电信息，确定所述各终端设备中的一个或多个终端设备当前无业务或处于电池状态，确定需要向所述一个或多个终端设备发送指示反向供电关闭的反向供电管理信息。
可选地，功率分配的原则包括以下至少之一：所述各终端设备进行平均功率分配；功率分配与链路的长度成反比；物理特性越来的链路分配的功率越多；供电能力越高的终端设备分配的功率越多；电池状态的终端设备不分配功率；空闲状态的终端设备分配的功率越非空闲状态的终端设备分配的功率少；仅给协议的终端设备分配功率；综合考虑各个终端设备的反向供电信息及对应的链路的属性信息中记录的各方面条件进行效率最大化的功率分配。
可选地，在所述局端设备按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备时，确定所述各终端设备中当前无业务处于电池状态的终端设备不参与反向供电，其它终端设备参与反向供电。
步骤S206，将所述各终端设备的反向供电管理信息分别传输给相应的终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
例如，局端设备可以通过特定通道或协议，将各个所述终端设备的反向供电管理信息分别传输给对应的所述终端设备。
可选地，所述方法还可以包括：当所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
在本发明可选实施方式中，反向代理管理方法可以包括：步骤1，与局端设备连接的各终端设备稳定的向局端设备进行反向供电。步骤2，局端设备通过特定的方法获取链路的信息，包括：线路的长度，线路的阻抗特性等。步骤3，局端设备通过特定的方法获取终端设备的信息，包括：反向供电能力，电源状态，业务状态等。步骤4，局端设备根据收集到的信息，确定各链路终端设备的反向供电管理信息。步骤5. 局端设备将反向供电管理信息通过特定的通道或协议传输给各终端设备。步骤6.各终端设备按照反向供电管理信息调整其反向供电模块的参数。步骤7.当局端设备的功耗需求有变化时，局端设备发送新的反向供电管理信息。步骤8.当与局端设备连接的终端设备的数量有变化时，局端设备发送新的反向供电管理信息。步骤9.当所依据的反向供电信息有变化时，局端设备发送新的反向供电管理信息。
通过本发明实施例提供的上述方法，局端设备收集各链路的反向供电信息，然后据此确定各链路所述终端设备的反向供电的管理信息，最后将此管理信息发送给各终端设备，解决了相关技术中无法实现的反向供电管理的问题，进而确保了与局端设备连接的各个终端设备之间为局端设备供电的公平性，同时，还提高了反向供电的供电效率。
根据本发明实施例，还提供了一种反向供电管理装置。
图3是根据本发明实施例的反向供电管理装置的结构示意图，如图3所示，主要包括：获取模块30，设置为在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；确定模块32，设置为根据获取的所述各终端设备的反向供电信息确定所述各终端设备的反向供电管理信息；传输模块34，设置为将所述各终端设备的反向供电管理信息分别传输给所述各终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
可选地，所述确定模块32可以包括：第一确定单元，设置为按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，第二确定单元，设置为按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间。
可选地，所述获取模块32可以包括：第一获取单元，设置为通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息包括：反向供电能力、电源状态及业务状态；第二获取单元，设置为通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
可选地，所述装置还包括：更新模块，设置为在所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
通过本发明实施例提供的上述装置，收集局端设备与终端设备之间的各链路的反向供电信息，然后据此确定各链路所述终端设备的反向供电的管理信息，最后将此管理信息发送给各终端设备，解决了相关技术中无法实现的反向供电管理的问题，进而确保了与局端设备连接的各个终端设备之间为局端设备供电的公平性，同时，还提高了反向供电的供电效率。
根据本发明实施例，还提供了一种局端设备，包括上述的反向供电管理装置。
根据本发明实施例，还提供了一种反向供电管理系统，该反向供电管理系统，包括：局端设备和一个或多个终端设备，其中，所述局端设备包括上述的反向供电管理装置；所述终端设备，设置为接收所述局端设备发送的反向供电管理信息，并按照所述反向供电管理信息设置向所述局端设备供电的供电参数。
通过本发明实施例提供的上述反向供电管理系统，局端设备收集各链路的反向供电信息，然后据此确定各链路所述终端设备的反向供电的管理信息，最后将此管理信息发送给各终端设备，各终端设备根据该管理信息设置向所述局端设备供电的供电参数。解决了相关技术中无法实现的反向供电管理的问题，进而确保了与局端设备连接的各个终端设备之间为局端设备供电的公平性，同时，还提高了反向供电的供电效率。
下面通过具体实施例对本发明实施例提供的技术方案进行描述。
实施例一
本实施例以反向供电功率分配为例，对本发明实施例提供的反向供电管理方案进行描述。
图4是本实施例中进行反向供电功率分配的流程图，如图4所示，主要包括以下步骤：
步骤401，与局端设备连接的各终端设备稳定的向局端设备进行反向供电。
步骤402，局端设备通过PoE(Power over Ethenet)协议获取各终端设备的反向供电能力信息。
步骤403，局端设备通过初始化过程获取各链路的长度和阻抗特性信息。
步骤404，局端设备通过管理通道获取各终端设备的电源状态和业务状态信息。
步骤405，局端设备结合以上获取的信息，按照公平与效率均衡的原则确定各链路终端设备的反向供电的功率分配。
其中，功率分配的原则包括：各用户终端进行平均功率分配，或者，功率分配与链路的长度成反比；或者，物理特性好的链路功率分配多；或者，供电能力高的用户终端功率分配多；或者，电池状态的用户终端不进行功率分配；或者，空闲状态的用户终端功率分配少；或者，仅给协议供电用户终端进行功率分配；或者，综合考虑各方面条件进行效率最大化的功率分配。
步骤406，局端设备将确定好的功率分配值通过管理通道(例如eoc命令(embedded operation channel))传输给各终端设备。
步骤407，终端设备按照相关协议获取其功率分配值，然后按照该值调整其反向供电模块的功率输出。
实施例二
本实施例以反向供电使能管理为例进行说明。
图5为本实施例中反向供电使能管理的流程图，如图5所示，主要包括以下步骤：
步骤501，与局端设备连接的各终端设备稳定的向局端设备进行反向供电；
步骤502，当某个终端设备无业务或者转入电池供电状态时，局端设备将使能信号Power-Off通过管理通道(例如eoc命令(embedded operation channel))传输给该终端设备。
步骤503，终端设备接收到该使能信号后，关闭其反向供电模块的功率输出，停止向局端设备反向供电。
实施例三
本实施例以反向供电时间管理为例进行说明。
图6为本实施例中反向供电时间管理的流程图，如图6所示，主要包括以下步骤：
步骤601，与局端设备连接的各终端设备稳定的向局端设备进行反向供电；
步骤602，局端设备通过初始化过程获取各链路的长度和阻抗特性信息。
步骤603，局端设备通过PoE(Power over Ethenet)协议获取各终端设备的反向供电能力信息；
步骤604，局端设备通过管理通道获取各终端设备的电源状态和业务状态信息；
步骤605，局端设备结合以上获取的信息，按照公平与效率均衡的原则确定哪些链路的终端设备参与反向供电(无业务或电池状态的终端设备不参与反向供电，其他链接的终端设备参与反向供电)，及参与供电的终端设备在每个周期的供电时间。
步骤606，局端设备将使能信息Power-On/Off和反向供电的时间通过管理通道(例如eoc命令(embedded operation channel))传输给各终端设备。
步骤607，终端设备按照相关协议获取以上信息后，接收到Power-Off信息的终端设备关闭其反向供电模块的功率输出，接收到Power-On信息的终端设备，按照其接收到的供电时间调整其每个周期的功率输出时间。
从以上的描述中，可以看出，本发明实施例实现了如下技术效果：解决了相关技术中无法实现的反向供电管理的问题，进而确保了与局端设备连接的各个终端设备之间为局端设备供电的公平性，同时，也提高了反向供电的效率。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
基于本发明实施例提供的上述技术方案，收集局端设备当前链接的各终端设备的反向供电信息，根据收集到反向供电信息确定各终端设备的反向供电管理信息，并将各终端设备的反向供电管理信息发送给相应的终端设备，指示各终端设备按照接收到的反向供电管理信息调整向局端设备进行反向供电的参数，解决了相关技术中无法对 反向供电的终端设备进行供电管理的问题，可以有效的对反向供电的终端设备进行供电管理，确保了局端设备和终端设备的正常工作。

Claims (14)

  1. 一种反向供电管理方法，-包括：
    在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；
    根据获取的各链路的终端设备的反向供电信息确定所述各终端设备的反向供电管理信息；
    将所述各终端设备的反向供电管理信息分别传输给相应的终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
  2. 根据权利要求1所述的方法，其中，所述反向供电信息包括：终端设备的反向供电能力信息和链路的属性信息。
  3. 根据权利要求2所述的方法，其中，获取所述各链路的终端设备的反向供电信息包括：
    所述局端设备通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息包括：反向供电能力、电源状态及业务状态；
    所述局端设备通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
  4. 根据权利要求1所述的方法，其中，将所述各终端设备的反向供电管理信息分别传输给所述各终端设备包括：
    所述局端设备通过特定通道或协议，将各个所述终端设备的反向供电管理信息分别传输给对应的所述终端设备。
  5. 根据权利要求1所述的方法，其中，根据获取的所述各链路的终端设备的反向供电信息确定所述各终端设备的反向供电管理信息，包括：
    所述局端设备根据各链路的终端设备的反向供电信息，所述按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，
    所述局端设备根据各链路的终端设备的反向供电信息，按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间；和/或，
    所述局端设备根据各链路的终端设备的反向供电信息，确定所述各终端设备中的一个或多个终端设备当前无业务或处于电池状态，确定需要向所述一个或多个终端设备发送指示反向供电关闭的反向供电管理信息。
  6. 根据权利要求5所述的方法，其中，所述第一原则包括以下至少之一：所述各终端设备进行平均功率分配；功率分配与链路的长度成反比；物理特性越来的链路分配的功率越多；供电能力越高的终端设备分配的功率越多；电池状态的终端设备不分配功率；空闲状态的终端设备分配的功率越非空闲状态的终端设备分配的功率少；仅给协议的终端设备分配功率；综合考虑各个终端设备的反向供电信息及对应的链路的属性信息中记录的各方面条件进行效率最大化的功率分配。
  7. 根据权利要求5所述的方法，其中，所述局端设备按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，包括：
    所述局端设备确定所述各终端设备中当前无业务或处于电池状态的终端设备不参与反向供电，其它终端设备参与反向供电。
  8. 根据权利要求1至7中任一项所述的方法，其中，所述方法还包括：当所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
  9. 一种反向供电管理装置，包括：
    获取模块，设置为在与局端设备连接的各终端设备稳定的向所述局端设备进行反向供电的过程中，获取各链路的终端设备的反向供电信息；确定模块，设置为根据获取的所述各终端设备的反向供电信息确定所述各终端设备的反向供电管理信息；传输模块，设置为将所述各终端设备的反向供电管理信息分别传输给所述各终端设备，指示所述各终端设备按照接收到的所述反向供电管理信息调整向所述局端设备反向供电的参数。
  10. 根据权利要求9所述的装置，其中，所述确定模块包括：
    第一确定单元，设置为按照公平与效率均衡的第一原则确定各个所述终端设备的反向供电的功率分配；和/或，
    第二确定单元，设置为按照公平与效率均衡的第二原则，确定所述各个终端设备中参与反向供电的终端设备，以及参与反向供电的各个终端设备在每个周期的供电时间。
  11. 根据权利要求9所述的装置，其中，所述获取模块包括：
    第一获取单元，设置为通过预定方式获取所述各终端设备的反向供电能力信息，其中，所述反向供电能力信息包括：反向供电能力、电源状态及业务状态；
    第二获取单元，设置为通过预定方式获取所述各链路的属性信息，其中，所述属性信息包括：线路的升序和线路的阻抗特性。
  12. 根据权利要求9至11所述中任一项的装置，其中，所述装置还包括：更新模块，设置为在所述局端设备的功耗需求发生变化时，或当与所述局端设备连接的终端设备的数量发生变化时，或所述各终端设备中的一个或多个终端设备的反向供电信息发生变化时，重新确定所述各终端设备的反向供电管理信息，将重新确定的所述各终端设备的反向供电管理信息发送给对应的终端设备。
  13. 一种局端设备，包括权利要求9至12中任一项所述的装置。
  14. 一种反向供电管理系统，包括：局端设备和一个或多个终端设备，其中，
    所述局端设备包括权利要求9至12中任一项所述的装置；
    所述终端设备，设置为接收所述局端设备发送的反向供电管理信息，并按照所述反向供电管理信息设置向所述局端设备供电的供电参数。
PCT/CN2014/087227 2014-06-10 2014-09-23 反向供电管理方法、装置及系统 WO2015188510A1 (zh)

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