CN102739305B - The localization method of abnormal ONU, system and device in passive optical network - Google Patents
The localization method of abnormal ONU, system and device in passive optical network Download PDFInfo
- Publication number
- CN102739305B CN102739305B CN201110086785.5A CN201110086785A CN102739305B CN 102739305 B CN102739305 B CN 102739305B CN 201110086785 A CN201110086785 A CN 201110086785A CN 102739305 B CN102739305 B CN 102739305B
- Authority
- CN
- China
- Prior art keywords
- onu
- group
- information
- optical power
- power value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Small-Scale Networks (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses the localization method of abnormal ONU in a kind of passive optical network, system and device.The method is different according to the optical power value of each ONU, ONU in system is carried out combination in any and form different ONU groups, and preserve ONU group luminous power interval value, when there is abnormal ONU, by obtaining current transmission data ONU optical power value, with mating of the luminous power interval value preserved, determine the ONU group at the ONU place of corresponding appearance exception, in this ONU group, locate abnormal ONU.Owing to comprising the ONU of limited quantity in ONU group, therefore the orientation range of abnormal ONU reduces, and reduces the impact on other normal work ONU, improves network service quality.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of EPON (Passive OpticalNetwork, PON) localization method, system and the device of abnormal optical network unit (Optical Network Unit, ONU) in system.
Background technology
Along with the development of network technology, the business such as a large amount of voice, data, video, by Internet Transmission, therefore also just constantly improving the requirement of bandwidth, creating PON system to meet this demand.
Fig. 1 is the topological structure schematic diagram of PON system, PON system adopts a point-to-multipoint network configuration, this PON system comprises optical line terminal (the optical line terminal of network side, and the Optical Distribution Network of user side (Optical Distribution Node OLT), and optical network unit (Optical Network Unit ODN), ONU), wherein ODN provides light-transmitting medium for the physical connection between OLT and ONU.
In new broadband passive optical network (Gigabit-Capable PON, GPON) system, being down direction by the data transfer direction of OLT to ONU, is up direction by the data transfer direction of ONU to OLT.Downlink data transmission adopts broadcast mode, each ONU receives all Frames respectively, (ONU-ID), GPON method for packing (GPONEncapsulation Method is identified according to the ONU carried in Frame, GEM)-port-mark (Port ID), allocation identification (Allocation-ID) information, determine which Frame received is that OLT sends to oneself.When carrying out transmitting uplink data, ONU needs shared transmission medium, and each ONU carries out the transmission of upstream data according to the time slot that OLT is its distribution.
Fig. 2 is (the G-PON Transmission Convergence of Transmission Convergence in GPON system, GTC) structural representation of the downlink data frame of layer, PCBd and payload is comprised at this Frame, wherein PCBd comprises: Physical Synchronization (Physical Synchronization, Psync) territory, mark (Ident) territory, downlink physical layer operation, management and utilization (Physical Layer Operation, Administraion & Maintenance downstream, PLOAMd) territory, bit interleaved parity (Bit InterleavedParity, BIP) territory, information payload length (Payload Length downstream, Plend) territory and upstream bandwidth map (upstream bandwidth map, US BWmap) territory.
Wherein OLT can utilize the activation of the PLOAMd territory realization in Frame to ONU, the management function such as foundation, encryption configuration, key management of ONU management control channel.US BWmap territory comprises N number of distribution structure (Allocation Structure), wherein each distribution structure comprises again: allocated bandwidth mark (Allocation Identifier, Alloc-ID) territory, Flags territory, bandwidth initial time (StartTime) territory, bandwidth end time (StopTime) territory and cyclic redundancy check (CRC) code (Cyclic RedundancyCheck, CRC) territory, wherein, Alloc-ID can adopt transmission container (TransmissionContainer, T-CONT) identify, Flags territory is the option of allocated bandwidth, take 12 bits of 0 ~ 11, wherein bit 10 is for notifying that ONU sends PLOAM message on this upstream bandwidth, bit 0 ~ 6 is reserved place.
When ONU receives a distribution structure, ONU is according to the Alloc-ID information in this distribution structure, judge that this distribution structure is that OLT sends to oneself, then this ONU carries out CRC check to the data of this distribution structure received, when verification is passed through, ONU, according to the bandwidth time started of carrying in this distribution structure, sends the data in T-CONT in this distribution structure, and terminates to send this data in the bandwidth end time.
When certain ONU in PON system distributes in upstream bandwidth corresponding to the distribution structure of other ONU at OLT, to open activator appliance luminous or send upstream data, then now there are two ONU simultaneously luminous or send data on the uplink channel, cause OLT can not normally resolve the upstream data received, therefore OLT needs location to occur abnormal ONU.
In prior art, OLT location occurs that the method for abnormal ONU comprises, OLT exists annexation one by one in PON system each ONU with it sends forbidding sequence number (Disable_Serial_Number) message or sends deexcitation (Deactivate_ONU-ID) message, the ONU receiving above-mentioned information closes the laser of self, after ONU closes the laser of self, when OLT correctly can resolve the upstream data received, then can realize the location to abnormal ONU.Or OLT also can send to all ONU the control command stopping carrying out upstream data transmission, carries out the instruction of upstream data transmission afterwards more one by one, to realize the location to abnormal ONU to ONU.
Therefore in known prior art, OLT is when locating abnormal ONU, need to send information to each ONU one by one, or the instruction stopping sending data is sent to each ONU, when normal ONU receives corresponding information, also stop the transmission of data, thus have impact on the work of normal ONU, reduce the service quality of network.
Summary of the invention
In view of this, the embodiment of the present invention provides the localization method of abnormal ONU in a kind of passive optical network, system and device, in order to solve the work affecting normal ONU in existing abnormal ONU location, reduces the problem of network service quality.
According to an aspect of the present invention, provide the localization method of abnormal optical network unit ONU in a kind of passive optical network, comprise: when there is abnormal ONU in passive optical network, optical line terminal obtains the current optical power value carrying out the ONU of data transmission; The each luminous power interval value preserved by this optical power value and optical line terminal self mates; The corresponding relation of information of each ONU in the luminous power interval value preserved according to self and ONU group, determines the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding; According to the information of each ONU in this ONU group, there is abnormal ONU in location.
Further, preserve the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprising: for each ONU group, measure optical power value during each ONU transmission upstream data in this group, wherein each ONU group comprises the information of at least one ONU; According to the optical power value measured and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
Further, preserve the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprise: when m ONU sends upstream data simultaneously, the optical power value that optical line terminal measurement receives, this m ONU is defined as an ONU group, and optical power value when this optical power value measured is sent upstream data as this group ONU, wherein, m be not less than 1 integer, according to the optical power value measured and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
Further, m ONU sends upstream data simultaneously, comprise: described optical line terminal passes through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, wherein said downlink information comprises ONU management control interface information, or the Bandwidth map territory of downlink data frame, or physical layer operations, management and utilization message.
Further, preserve the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprising: when each ONU sends upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU; Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value during this group ONU transmission upstream data, according to the optical power value determined and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU, wherein, m be not less than 1 integer.
Further, according to the information of each ONU in this ONU group, there is abnormal ONU in location, comprising: in this ONU group, each ONU sends forbidding sequence number information one by one, or deexcitation information, and abnormal ONU appears in location; Or all ONU sends the control command stopping carrying out upstream data transmission in this ONU group, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
According to a further aspect in the invention, additionally provide the positioner of abnormal optical network unit ONU in a kind of passive optical network, described device comprises: acquisition module, for obtaining the current optical power value carrying out the ONU of data transmission; Coupling determination module, for mating this optical power value with each luminous power interval value of preservation; According to the corresponding relation of information of each ONU in the luminous power interval value preserved and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding; Locating module, for the information according to each ONU in this ONU group, there is abnormal ONU in location.
Further, described coupling determination module, specifically for for each ONU group, measure optical power value when each ONU in this group sends upstream data, wherein each ONU group comprises the information of at least one ONU arbitrarily; According to this optical power value measured, and the adjustment of preserving is interval, determines the luminous power interval value that this optical power value is corresponding, and preserves the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
Further, described coupling determination module, specifically for when m ONU sends upstream data simultaneously, the optical power value that optical line terminal measurement receives, this m ONU is defined as an ONU group, and the optical power value when optical power value that measures is sent upstream data as this group ONU, wherein, m be not less than 1 integer.
Further, described coupling determination module, specifically for passing through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, ONU management control interface information is comprised comprising described downlink information, or the Bandwidth map territory of downlink data frame, physical layer operations, management and utilization message.
Further, described coupling determination module, specifically for when each ONU sends upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU; Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value during this group ONU transmission upstream data, according to the optical power value determined and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU, wherein, m be not less than 1 integer.
Further, described locating module, specifically for one by one in this ONU group each ONU send forbidding sequence number information, or deexcitation information, there is abnormal ONU in location; Or all ONU sends the control command stopping carrying out upstream data transmission in this ONU group, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
According to a further aspect in the invention, additionally provide the navigation system of abnormal optical network unit ONU in a kind of passive optical network, described system comprises optical line terminal and ONU, optical line terminal comprises acquisition module, coupling determination module and locating module, acquisition module, for obtaining the current optical power value carrying out the ONU of data transmission; Coupling determination module, for mating this optical power value with each luminous power interval value of preservation; According to the corresponding relation of information of each ONU in the luminous power interval value preserved and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding; Locating module, for the information according to each ONU in this ONU group, there is abnormal ONU in location; ONU, for carrying out data transmission.
Because the optical power value of each ONU is different in the embodiment of the present invention, ONU combination in system is formed different ONU groups, and preserve ONU group luminous power interval value, when there is abnormal ONU, by mating of the luminous power interval value of the ONU optical power value with preservation that obtain current transmission data, determine corresponding ONU group, abnormal ONU is located in this ONU group, owing to comprising the ONU of limited quantity in ONU group, therefore the orientation range of abnormal ONU reduces, reduce the impact on other normal work ONU, improve network service quality.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the topological structure schematic diagram of PON system;
Fig. 2 is the structural representation of the downlink data frame of transmission convergence layer in GPON system;
The position fixing process of abnormal ONU in a kind of PON system that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the navigation system of abnormal optical network unit ONU in a kind of passive optical network that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the positioner of abnormal optical network unit ONU in the kind passive optical network that Fig. 5 provides for the embodiment of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention is in order to reduce the impact of the ONU on work normal in system, improve network service quality, provide the localization method of abnormal ONU in a kind of PON system, system and device, because the optical power value of each ONU is different, ONU in system is carried out combination in any and form different ONU groups, often organize ONU and comprise at least one ONU, and preserve this ONU group luminous power interval value, when there is abnormal ONU, determine several ONU optical power values of current luminescence, according to mating of the luminous power interval value with preservation, determine the ONU group at the ONU place of corresponding appearance exception, abnormal ONU is located in this ONU group, owing to comprising the ONU of limited quantity in ONU group, therefore the orientation range of abnormal ONU reduces, reduce the impact on other normal work ONU, improve network service quality.
The position fixing process of abnormal ONU in a kind of PON system that Fig. 3 provides for the embodiment of the present invention, this process comprises the following steps:
S301: optical line terminal obtains the current optical power value carrying out the ONU of data transmission.
When there is abnormal ONU in PON system, because now OLT normally cannot resolve the upstream data received, now OLT needs, by obtaining the luminous power of now carrying out the ONU of data transmission, to occur abnormal ONU in navigation system.
The optical power value that now OLT obtains comprises the optical power value of normal ONU and the optical power value of abnormal ONU, because when there is abnormal ONU luminescence in system, abnormal ONU and normal ONU is simultaneously luminous, so OLT directly measures the optical power value received, just can obtain current carry out simultaneously the luminous optical power value of the different ONU of data transmission and.
S302: each luminous power interval value this optical power value and self preserved mates.
Concrete OLT in embodiments of the present invention self saves the luminous power interval value of each ONU group, and the corresponding relation of the information of each ONU in this ONU group.
When obtain current carry out the optical power value of the ONU of data transmission after, in order to locate the scope of abnormal ONU, each luminous power interval value this optical power value and self preserved mates, and determines the interval range at this luminous power interval value place.
S303: the corresponding relation of information of each ONU in the luminous power interval value preserved according to self and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding, wherein each ONU group comprises the information of at least one ONU.
When the match is successful, namely after determining the luminous power interval at the optical power value place of current acquisition, according to the luminous power interval value of each ONU group that self preserves, and the corresponding relation of the information of each ONU in this ONU group, determine the information of each ONU in the ONU group that this luminous power interval value is corresponding.
S304: according to the information of each ONU in this ONU group, there is abnormal ONU in location.
Concrete, according to the information of each ONU in this ONU group, there is abnormal ONU in location, comprising:
In this ONU group, each ONU sends forbidding sequence number information one by one, or deexcitation information, and abnormal ONU appears in location; Or,
In this ONU group, all ONU sends the control command stopping carrying out upstream data transmission, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
In embodiments of the present invention according to each ONU in PON system, ONU is carried out combination in any, and same ONU can be arranged in different ONU groups, wherein each ONU group comprises the information of at least one ONU, measures and records luminous power interval value corresponding to this ONU group.
The concrete corresponding relation preserving the information of each ONU in luminous power interval value and ONU group in embodiments of the present invention, comprising:
For each ONU group, measure optical power value during each ONU transmission upstream data in this group, wherein each ONU group comprises the information of at least one ONU arbitrarily;
According to this optical power value, and the adjustment of preserving is interval, determines the luminous power interval value that this optical power value is corresponding, and preserves the corresponding relation of each ONU in this luminous power interval value and this group ONU.
Wherein when measuring optical power value when each ONU in this group sends upstream data, m ONU can be worked as when sending upstream data simultaneously, the optical power value that optical line terminal measurement receives, this m ONU is defined as an ONU group, and optical power value when this optical power value measured is sent upstream data as this group ONU, wherein, m be not less than 1 integer.
Or when also can work as each ONU transmission upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU;
Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value when this group ONU sends upstream data, wherein, m be not less than 1 integer.
In order to ensure that m ONU can send upstream data simultaneously, optical line terminal needs to pass through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, ONU management control interface information is comprised comprising described downlink information, or the Bandwidth map territory of downlink data frame, physical layer operations, management and utilization message.
Concrete in order to ensure the accuracy that abnormal ONU determines, the number of the ONU comprised in ONU group can be segmented in embodiments of the present invention, comprise an ONU from each ONU group, in each ONU group, comprise N number of ONU, measure successively and record luminous power interval value corresponding to each ONU group.
When OLT preserves the information of each ONU in each ONU group and this group, this OLT first can using each ONU as an ONU group, i.e. the information of the corresponding ONU of each ONU group.This OLT is when determining the optical power value of each ONU group, can be when each ONU sends upstream data, measure the optical power value of this each ONU, or OLT is by BWmap territory, for each ONU distributes upstream bandwidth, when each ONU sends data on the upstream bandwidth that this OLT specifies, this OLT measures the optical power value of this ONU.After this OLT obtains the optical power value of each ONU, interval according to the adjustment of self preserving, determine the luminous power interval value that each optical power value is corresponding, preserve the corresponding relation of this luminous power interval value and this ONU information.
Afterwards, OLT is using any two ONU as an ONU group, and when there is n ONU in this PON system, this OLT can determine C
n 2the individual ONU group comprising two ONU, namely determines C
n 2individual ONU group.Because this each ONU group comprises two ONU, OLT distributes identical upstream bandwidth to two ONU in this each ONU group by BWmap, when these two ONU respond the upstream bandwidth of OLT distribution, when adopting this upstream bandwidth to send upstream data simultaneously, the optical power value that OLT measurement receives, according to the optical power value measured, and the adjustment of preserving is interval, determine the luminous power interval value that this optical power value is corresponding, and using the luminous power interval value of this luminous power interval value as this group ONU, preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.Wherein this adjustment interval can be the value range rule of thumb set, because the optical power value of ONU is not invariable, therefore arranges adjustment at this interval, to ensure the success rate of subsequent optical power match.
Same, when comprising three ONU in each ONU group, when this PON system comprises n ONU, then when determining ONU group, can C be determined
n 3the individual ONU group comprising three ONU, namely any three ONU can as an ONU group.After determining each ONU group, identical upstream bandwidth can be distributed to three ONU in this each ONU group by BWmap, thus determine the optical power value of ONU in this ONU group.By that analogy, when comprising 4 in this each ONU group, 5,6 ... during n ONU, said method is adopted to determine the corresponding relation of the luminous power interval value of each ONU group and the information of each ONU with this.
In addition, the luminous power interval value having saved each ONU group as OLT with and ONU information corresponding relation after, when increasing again new ONU in PON system, can according to said method, respectively this newly-increased ONU and other ONU existed is combined, determine the corresponding relation of the luminous power interval value of each ONU group and the information of each ONU increased newly.
Such as, when comprising 10 ONU in PON system, the sequence number of these 10 ONU is respectively 1 ~ 10, then when determining ONU group, first the ONU group comprising an ONU is determined, the ONU group comprising an ONU is 10, an above-mentioned ONU is comprised in each ONU group, determine the OUN group comprising two ONU afterwards, then can determine sequence number be 1 ONU can be 2 ~ 10 with sequence number ONU forms an ONU group respectively, sequence number is that the ONU that the ONU of 2 can be 3 ~ 10 with sequence number forms ONU group respectively afterwards, can determine C by that analogy
10 2the individual ONU group comprising two ONU, in addition the ONU group comprising three ONU is determined afterwards, then can determine sequence number be 1,2 ONU can be 3 ~ 10 with sequence number ONU forms an ONU group respectively, sequence number be 1,3 ONU can be 4 ~ 10 with sequence number ONU forms an ONU group respectively, can C be determined by that analogy
10 3the individual ONU group comprising three ONU.Adopt said method afterwards, each ONU group comprising 4 ~ 10 ONU can be determined.
When increasing new ONU in PON system, the sequence number of such as this ONU is 11, when then can to increase this newly-increased ONU be one group, the identification information of the luminous power interval value that this ONU group is corresponding and this newly-increased ONU, afterwards, when determining that this newly-increased ONU and other ONU forms the ONU group comprising two ONU, the corresponding relation of the information of ONU in the luminous power interval value of this ONU group and this group, namely determine this sequence number be 11 ONU with sequence number be respectively 1 ~ 10 ONU form the corresponding relation of the information of ONU in the luminous power interval value of each ONU group formed and this group, when determining that this newly-increased ONU and other two ONU forms the ONU group comprising three ONU afterwards again, the corresponding relation of the information of ONU in the luminous power interval value of this ONU group and this group, deterministic process is identical with said process, here just do not repeat one by one.
After determining each ONU group, OLT is by sending downlink information to the ONU in each ONU group, notify that each ONU in this group sends upstream data on identical upstream bandwidth simultaneously, wherein said downlink information comprises ONU management control interface information, or the Bandwidth map territory of downlink data frame, physical layer operations, management and utilization message.
Concrete OLT in embodiments of the present invention can distribute identical upstream bandwidth to the ONU in each ONU group by BWmap, also can distribute identical upstream bandwidth to the ONU in each ONU group by PLOAM message, or OLT distributes upstream bandwidth to 1 ONU by BWmap, and by the upstream bandwidth that PLOAM message gives other m-1 ONU distribution identical with above-mentioned ONU, etc. other optional manner be also fine.And when this OLT is passing through downlink information, when notifying that a described m ONU sends upstream data on identical upstream bandwidth, in order to ensure the reliability of transfer of data, this downlink information can be encrypted simultaneously.
When by PLOAM message be ONU in each ONU group distribute identical upstream bandwidth time, the form of this PLOAM message is as shown in the table:
First byte of this message is the value of ONU-ID, represents that this message sends to ONU-ID value to be the ONU of ONU-ID1; The type of this PLOAM message of the content representation of the second byte is the structural information type of Assign_UPBWmap message; The content of the three to the ten two byte is the upstream bandwidth that OLT distributes to ONU.OLT can select the content of the 2 to the 12 byte to Assign_UP BWmap message to be encrypted, or only over the ground the content of the 3 to the 12 byte be encrypted.
OLT also can manage control interface (OMCI) message by ONU and distributes identical upstream bandwidth to ONU each in ONU group in addition, or OLT distributes upstream bandwidth to 1 ONU by BWmap, and distributing the upstream bandwidth identical with above-mentioned ONU to other m-1 ONU by OMCI message, OLT also can select to be encrypted all or part of content of OMCI message.
After the corresponding relation of the information of each ONU in the luminous power interval value saving each ONU group in OLT and this ONU group, when there is abnormal ONU in this PON system, the current optical power value carrying out luminous ONU in this OLT acquisition system, namely current carry out the optical power value of the ONU of data transmission and.By the optical power value of this ONU of acquisition, mate with each luminous power interval value preserved, determine and the optical power value of the ONU of this acquisition luminous power interval value that the match is successful, when the match is successful, can think current information of carrying out the ONU sent, for the ONU in the ONU group that this luminous power interval value is corresponding, namely this abnormal ONU is present in ONU group corresponding to this luminous power interval value.
When after the ONU group determining abnormal ONU place, serial number message is forbidden by ONU each in this ONU group, or deexcitation message locates abnormal ONU, or also can send by ONU all in this ONU group the control command stopping carrying out upstream data transmission, in this ONU group, each ONU sends the instruction carrying out upstream data transmission one by one again, and abnormal ONU appears in location.
Due to the optical power value that the ONU group determining to comprise different ONU is in embodiments of the present invention corresponding, according to the optical power value that there is abnormal ONU, determine current information of carrying out the ONU sent, afterwards according to the abnormal ONU of the Information locating of the ONU determined, thus reduce the scope that ONU determines, reduce the impact that other ONU are normally worked, improve the service quality of network.
The structural representation of the navigation system of abnormal optical network unit ONU in a kind of passive optical network that Fig. 4 provides for the embodiment of the present invention, described system comprises:
Optical line terminal 41, for obtaining the current optical power value carrying out the ONU of data transmission; The each luminous power interval value this optical power value and self preserved mates; The corresponding relation of information of each ONU in the luminous power interval value preserved according to self and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding, wherein each ONU group comprises the information of at least one ONU; According to the information of each ONU in this ONU group, there is abnormal ONU in location.
ONU42, for carrying out the transmission of upstream data.
Described optical line terminal 41, specifically for for each ONU group, measure optical power value when each ONU in this group sends upstream data, wherein each ONU group comprises the information of at least one ONU arbitrarily; According to this optical power value, and the adjustment of preserving is interval, determines the luminous power interval value that this optical power value is corresponding, and preserves the corresponding relation of each ONU in this luminous power interval value and this group ONU.
The structural representation of the positioner of abnormal optical network unit ONU in a kind of passive optical network that Fig. 5 provides for the embodiment of the present invention, described device comprises:
Acquisition module 51, for obtaining the current optical power value carrying out the ONU of data transmission;
Coupling determination module 52, mates for each luminous power interval value this optical power value and self preserved; The corresponding relation of information of each ONU in the luminous power interval value preserved according to self and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding, wherein each ONU group comprises the information of at least one ONU;
Locating module 53, for the information according to each ONU in this ONU group, there is abnormal ONU in location.
Described coupling determination module 52, specifically for for each ONU group, measure optical power value when each ONU in this group sends upstream data, wherein each ONU group comprises the information of at least one ONU arbitrarily; According to this optical power value, and the adjustment of preserving is interval, determines the luminous power interval value that this optical power value is corresponding, and preserves the corresponding relation of each ONU in this luminous power interval value and this group ONU.
Preferably,
Described coupling determination module 52, specifically for when m ONU sends upstream data simultaneously, the optical power value that optical line terminal measurement receives, this m ONU is defined as an ONU group, and optical power value when this optical power value measured is sent upstream data as this group ONU, wherein, m be not less than 1 integer, according to the optical power value measured and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
Described coupling determination module 52, specifically for passing through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, ONU management control interface information is comprised comprising described downlink information, or the Bandwidth map territory of downlink data frame, physical layer operations, management and utilization information.
Preferably,
Described coupling determination module 52, specifically for when each ONU sends upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU; Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value during this group ONU transmission upstream data, wherein, m be not less than 1 integer, according to the optical power value determined and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
Described locating module 53, specifically for one by one in this ONU group each ONU send forbidding sequence number information, or deexcitation information, there is abnormal ONU in location; Or all ONU sends the control command stopping carrying out upstream data transmission in this ONU group, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
This concrete device can be arranged in OLT.
Embodiments provide the localization method of abnormal ONU in a kind of passive optical network, system and device, because the optical power value of each ONU is different in the method, ONU in system is carried out combination in any and form different ONU groups, often organize ONU and comprise at least one ONU, and preserve the luminous power interval value of this ONU group, when there is abnormal ONU, determine several ONU optical power values of current luminescence, according to mating of the luminous power interval value with preservation, determine the ONU group at the ONU place of corresponding appearance exception, abnormal ONU is located in this ONU group, owing to comprising the ONU of limited quantity in ONU group, therefore the orientation range of abnormal ONU reduces, reduce the impact on other normal work ONU, improve network service quality.
Above-mentioned explanation illustrate and describes a preferred embodiment of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (13)
1. the localization method of abnormal optical network unit ONU in passive optical network, is characterized in that, comprising:
When there is abnormal ONU in passive optical network, optical line terminal obtains the current optical power value carrying out the ONU of data transmission;
The each luminous power interval value preserved by this optical power value and optical line terminal self mates;
The corresponding relation of information of each ONU in the luminous power interval value preserved according to self and ONU group, determines the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding;
According to the information of each ONU in this ONU group, there is abnormal ONU in location.
2. the method for claim 1, is characterized in that, preserves the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprising:
For each ONU group, measure optical power value during each ONU transmission upstream data in this group, wherein each ONU group comprises the information of at least one ONU;
According to the optical power value measured and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
3. the method for claim 1, is characterized in that, preserves the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprising:
When m ONU sends upstream data simultaneously, the optical power value that optical line terminal measurement receives, this m ONU is defined as an ONU group, and optical power value when this optical power value measured is sent upstream data as this group ONU, wherein, m be not less than 1 integer, according to the optical power value measured and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
4. method as claimed in claim 3, it is characterized in that, m ONU sends upstream data simultaneously, comprising:
Described optical line terminal passes through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, wherein said downlink information comprises ONU management control interface information, or the Bandwidth map territory of downlink data frame, or physical layer operations, management and utilization message.
5. the method for claim 1, is characterized in that, preserves the corresponding relation of the information of each ONU in luminous power interval value and ONU group, comprising:
When each ONU sends upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU;
Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value during this group ONU transmission upstream data, according to the optical power value determined and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU, wherein, m be not less than 1 integer.
6. the method for claim 1, is characterized in that, according to the information of each ONU in this ONU group, abnormal ONU appears in location, comprising:
In this ONU group, each ONU sends forbidding sequence number information one by one, or deexcitation information, and abnormal ONU appears in location; Or,
In this ONU group, all ONU sends the control command stopping carrying out upstream data transmission, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
7. the positioner of abnormal optical network unit ONU in passive optical network, it is characterized in that, described device comprises:
Acquisition module, for obtaining the current optical power value carrying out the ONU of data transmission;
Coupling determination module, for mating this optical power value with each luminous power interval value of preservation; According to the corresponding relation of information of each ONU in the luminous power interval value preserved and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding;
Locating module, for the information according to each ONU in this ONU group, there is abnormal ONU in location.
8. device as claimed in claim 7, is characterized in that, described coupling determination module, and specifically for for each ONU group, measure optical power value when each ONU in this group sends upstream data, wherein each ONU group comprises the information of at least one ONU arbitrarily; According to this optical power value measured, and the adjustment of preserving is interval, determines the luminous power interval value that this optical power value is corresponding, and preserves the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU.
9. device as claimed in claim 7, it is characterized in that, described coupling determination module, specifically for when m ONU sends upstream data simultaneously, the optical power value that optical line terminal measurement receives, is defined as an ONU group by this m ONU, and the optical power value when optical power value measured is sent upstream data as this group ONU, wherein, m be not less than 1 integer.
10. device as claimed in claim 9, it is characterized in that, described coupling determination module, specifically for passing through downlink information, notify that a described m ONU sends upstream data on identical upstream bandwidth simultaneously, ONU management control interface information is comprised comprising described downlink information, or the Bandwidth map territory of downlink data frame, physical layer operations, management and utilization message.
11. devices as claimed in claim 7, is characterized in that, described coupling determination module, and specifically for when each ONU sends upstream data, optical line terminal measures the optical power value of each ONU, and records the information of each ONU; Select m ONU as an ONU group, according to the optical power value of each ONU in this group measured, determine optical power value during this group ONU transmission upstream data, according to the optical power value determined and adjustment interval, determine the luminous power interval value that this optical power value is corresponding, and preserve the corresponding relation of the information of each ONU in this luminous power interval value and this group ONU, wherein, m be not less than 1 integer.
12. devices as claimed in claim 7, is characterized in that, described locating module, specifically for one by one in this ONU group each ONU send forbidding sequence number information, or deexcitation information, there is abnormal ONU in location; Or all ONU sends the control command stopping carrying out upstream data transmission in this ONU group, more one by one in this ONU group each ONU send the instruction carrying out upstream data transmission, there is abnormal ONU in location.
In 13. 1 kinds of passive optical networks, the navigation system of abnormal optical network unit ONU, is characterized in that, described system comprises optical line terminal and ONU, and optical line terminal comprises acquisition module, coupling determination module and locating module,
Acquisition module, for obtaining the current optical power value carrying out the ONU of data transmission;
Coupling determination module, for mating this optical power value with each luminous power interval value of preservation; According to the corresponding relation of information of each ONU in the luminous power interval value preserved and ONU group, determine the information of each ONU in the ONU group that the optical power value interval value that the match is successful is corresponding;
Locating module, for the information according to each ONU in this ONU group, there is abnormal ONU in location;
ONU, for carrying out data transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110086785.5A CN102739305B (en) | 2011-04-07 | 2011-04-07 | The localization method of abnormal ONU, system and device in passive optical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110086785.5A CN102739305B (en) | 2011-04-07 | 2011-04-07 | The localization method of abnormal ONU, system and device in passive optical network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102739305A CN102739305A (en) | 2012-10-17 |
| CN102739305B true CN102739305B (en) | 2015-10-28 |
Family
ID=46994167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110086785.5A Expired - Fee Related CN102739305B (en) | 2011-04-07 | 2011-04-07 | The localization method of abnormal ONU, system and device in passive optical network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102739305B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110944248A (en) * | 2018-09-25 | 2020-03-31 | 中兴通讯股份有限公司 | Optical network registration method, OLT, OUN and optical network system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013159350A1 (en) * | 2012-04-27 | 2013-10-31 | 中兴通讯股份有限公司 | Method, system, and device for positioning abnormal onu in passive optical network system |
| CN105743567B (en) * | 2014-12-12 | 2019-05-31 | 上海诺基亚贝尔股份有限公司 | A kind of method and device thereof identifying rogue ONU in passive optical network |
| CN112422183B (en) * | 2020-12-08 | 2022-03-15 | 中国联合网络通信集团有限公司 | Network fault positioning method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296034A (en) * | 2007-04-26 | 2008-10-29 | 华为技术有限公司 | Method and apparatus for transmission of monitoring information, passive optical network system |
| CN101651492A (en) * | 2008-08-15 | 2010-02-17 | 华为技术有限公司 | Remote transmission device, remote transmission system and abnormal luminous fault processing method for optical access network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080317462A1 (en) * | 2007-06-19 | 2008-12-25 | Teng-Yuan Chi | Optical fiber link monitoring method and apparatus for passive optical network |
-
2011
- 2011-04-07 CN CN201110086785.5A patent/CN102739305B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296034A (en) * | 2007-04-26 | 2008-10-29 | 华为技术有限公司 | Method and apparatus for transmission of monitoring information, passive optical network system |
| CN101651492A (en) * | 2008-08-15 | 2010-02-17 | 华为技术有限公司 | Remote transmission device, remote transmission system and abnormal luminous fault processing method for optical access network |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110944248A (en) * | 2018-09-25 | 2020-03-31 | 中兴通讯股份有限公司 | Optical network registration method, OLT, OUN and optical network system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102739305A (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2009240705B2 (en) | Gigabit passive optical network transmission convergence extension for next generation access | |
| US8600228B2 (en) | Optical communication | |
| CN101378311B (en) | Method, system and equipment for protecting rearrange | |
| CN102158770B (en) | A kind of method and system of uplink bandwidth in passive optical network distribution | |
| US8457494B2 (en) | PON multicast communication system, multicast management method, and corresponding devices | |
| CN102082976B (en) | Method and system for sending data in passive optical network (PON) | |
| CN102160342B (en) | Method and apparatus for configuring upgraded bandwidth map for ten gigabit passive optical network | |
| CN101902662B (en) | Optical network unit (ONU) registration activating method and system | |
| CN101997605B (en) | Optical distribution network as well as fault processing method, registration method and physical positioning method for optical network unit | |
| CN103139105A (en) | Uplink bandwidth distribution method and system in passive optical network (PON) system | |
| CN102739305B (en) | The localization method of abnormal ONU, system and device in passive optical network | |
| CN102387426B (en) | Uplink bandwidth allocation method in EPON | |
| CN101753527B (en) | Method, system and device for transmitting bandwidth distribution information in transport network | |
| CN102223185B (en) | Method and system for determining topology structure of passive optical network | |
| EP2723015A1 (en) | Method and device for communicating granularity of parameters | |
| CN102148682B (en) | A kind of method and system that the abnormal optical network unit of luminescence is correctly located | |
| CN101924688B (en) | Uplink bandwidth allocation method and device | |
| CN104919759B (en) | The method, apparatus and system of passive optic network up bandwidth distribution | |
| WO2013159350A1 (en) | Method, system, and device for positioning abnormal onu in passive optical network system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20190407 |