CN103684867A - Management method and management system based on fixed or mobile network access - Google Patents
Management method and management system based on fixed or mobile network access Download PDFInfo
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Abstract
The invention provides a management method based on fixed or mobile network access. The management method based on fixed or mobile network access is used for managing at least one optical network unit through an optical line terminal. The method includes the following steps that when the optical line terminal is powered on and started, a cross routing unit is arranged between the optical line terminal and the optical network unit to establish fixed network services; whether light is received in the uplink direction of the optical line terminal or not is detected, and whether a mobile or fixed network channel is established or not is determined according to service configuration of the optical network unit; whether light is received in the downlink direction of the optical network unit or not is detected, and whether a mobile or fixed network channel is established or not is determined according to service configuration of the optical network unit; the state of the established corresponding network channel is detected so as to achieve normal communications between the optical line terminal and the optical network unit. According to the method, by configuring and maintaining the optical network unit supporting both mobile network services and fixed network services through the optical line terminal, the optical network unit can be managed on a fixed network management platform. The invention further provides a management system.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of management method administrating system based on admittedly moving net access.
Background technology
At present, the baseband processing unit of distributed base station (Building Base band Unit, BBU) and Remote Radio Unit (Radio Remote Unit, RRU) between, and that the use between end of optical fiber repeater and far-end is all common public radio interface (Common Public Radio Interface, CPRI), CPRI standard definition the interface between radio equipment controller and wireless device, CPRI frame is introduced to wavelength division multiplexing (Wavelength Division Multiplexing from optical interface, WDM) passive optical-fiber network (Passive optical network, PON) system, utilize the high bandwidth in a wavelength channel of WDM PON network to carry out the transmission of pure CPRI frame, zoom out the distance of BBU and RRU, thereby make the business of WDM PON grid from simple support broadband services, expand to the pattern of the multiple business such as access band business and support mobile retransmission/forward pass simultaneously.
Yet, because the signaling of mobile forward pass/return path signal is completely different with the way to manage of fixed network services, be under the jurisdiction of two kinds of resources of wireless mobile and wired fixed network, this Integrated access mode makes to support the optical network unit at remote side (ONU) of the multiple business access of mobile retransmission/forward pass and fixed network services to manage simultaneously.
Summary of the invention
In view of this, the invention provides a kind of management method administrating system based on admittedly moving net and accessing of the optical network unit of can management simultaneously supporting mobile and fixed network services access.
A kind of management method based on admittedly moving net access, it is the management at least one optical network unit for optical line terminal, described at least one optical network unit is supported mobile network and fixed network services, and the described management method based on admittedly moving net connecting system comprises the following steps:
Electrifying startup arranges and intersects routing and set up fixed network services management channels between described optical line terminal and described at least one optical network unit;
Whether detect described optical line terminal up direction receives light and determines whether to arrange according to the business configuration of described at least one optical network unit and intersect routing and set up mobile network or fixed network tunneling traffic;
Described in detecting, whether at least one optical network unit down direction is received light and is determined whether to arrange intersection routing according to the business configuration of described optical network unit and set up mobile network or fixed network tunneling traffic;
Detect the corresponding network channel status of foundation so that proper communication between described optical line terminal and described at least one optical network unit.
A kind of management system based on admittedly moving net access, it is the management at least one optical network unit for optical line terminal, described at least one optical network unit is used for supporting mobile network and fixed network services, described at least one optical network unit is used for supporting mobile network and fixed network services, described optical line terminal detects the service configuration information of described at least one optical network unit, described optical line terminal and described optical network unit comprise that respectively intersects a routing unit, described intersection routing unit for setting up fixed network services tunneling traffic after electrifying startup between described optical line terminal and described at least one optical network unit, and the service configuration information of the described optical network unit detecting according to described optical line terminal selects to set up fixed network services tunneling traffic or mobile service tunneling traffic.
Compared with prior art, provided by the invention based on moving in the management method administrating system of net access, optical line terminal configure and maintenance is supported the optical network unit of mobile network's business and fixed network services, can in the management platform of fixed network, manage the optical network unit of simultaneously supporting fixed network services and mobile service.
Accompanying drawing explanation
Fig. 1 is the management system network construction module schematic diagram based on moving net access provided by the invention.
Fig. 2 is the flow chart based on admittedly moving the management method of net connecting system provided by the invention.
Fig. 3 is the process chart of optical line terminal in Fig. 2.
Fig. 4 is the process chart of optical network unit in Fig. 2.
Main element symbol description
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, a kind of network configuration module diagram based on admittedly moving the management system of net access that it provides for embodiment of the present invention, the described management system 10 based on admittedly moving net access is for optical line terminal (Optical Line Terminal, OLT) 12 at least one optical network unit (Optical Network Unit, ONU) 14 management, described optical network unit 14 is supported mobile network's business and fixed network services.In present embodiment, an optical network unit is set.
Described optical line terminal 12 comprises crosspoint 122, OLT control unit 123, the little package module of at least one hot plug (Small Form-factor Pluggables, SFP) optical module 125, one intersect routing unit 126, optical module array 128 and array waveguide grating (Arrayed Waveguide Grating, AWG) 129.Described intersection routing unit 126 is for transmitting from baseband processing unit (the Building Base band Unit of at least one SFP optical module access, BBU) through the movable signal of Optical Fiber Transmission and from Ethernet exchanging unit through the fixed network signal of Ethernet (Ethernet, ETH) interface access.
In present embodiment, Ethernet exchanging unit is divided into N+M road Ethernet signal by the ethernet signal through Ethernet interface access, and optical line terminal 12 arranges N SFP optical module, optical module array WeiN+M road wavelength light module array.
Optical network unit 14 comprise crosspoint 142, ONU control unit 143, SFP optical module 145, one intersect routing unit 146, optical module 148 and AWG149.Described intersection routing unit 146 is for transmitting from the baseband processing unit (Radio Remote Unit, RRU) of SFP optical module access through the movable signal of Optical Fiber Transmission and the fixed network signal accessing through ETH interface from ETH crosspoint 142.In present embodiment, optical module 148 is tunable optical module.
In OLT side, by SFP optical module 125, BBU movable signal CPRI frame is introduced, other fixed network services are as broadband services and speech business, form with Ether frame is introduced, two kinds of frames are through intersecting routing unit 126 as a business in WDM PON system, take a wavelength in WDM PON multi-wavelength, through optical module array 128, be converted to light signal and complete single fiber bi-directional by AWG129 and transmit.
In ONU side, from the light of AWG149 single fiber transmission, through the tuning locking corresponding wavelength of optical module 148, through intersecting routing unit 146, be sent to respectively SF optical module 145 and complete CPRI frame and be sent to RRU and mobile network service be provided and be sent to the function of exchange that ETH crosspoint 142 completes Ether frame fixed network service is provided.
Refer to Fig. 2, a kind of management method based on admittedly moving net access that it provides for present embodiment, it is for the management of 12 pairs of optical network units 14 of optical line terminal, described optical network unit 14 is supported mobile network and fixed network services, and the described management method based on admittedly moving net connecting system comprises the following steps:
S100: electrifying startup arranges and intersects routing and set up fixed network services management channels between described optical line terminal and described optical network unit;
S200: detect described optical line terminal up direction and whether receive light and determine whether to arrange according to the business configuration of described optical network unit and intersect routing and set up mobile network or fixed network tunneling traffic;
S300: detect described optical network unit down direction and whether receive light and determine whether to arrange according to the business configuration of described optical network unit and intersect routing and set up mobile network or fixed network tunneling traffic;
S400: detect the corresponding network channel status of foundation so that proper communication between described optical line terminal and described optical network unit.
In step S100, OLT processing procedure comprises the following steps:
S110:OLT electrifying startup arranges intersection routing and sets up fixed network services;
In step S110, when OLT electrifying startup, OLT arranges all input link signals in intersection routing unit 126 and inputs from ETH crosspoint, thereby by fixed network signal leading native system, close SFP optical module 125 simultaneously, thereby close the access/output of BBU movable signal, set up fixed network management channels.In fixed network management channels, OLT control unit 123 is by ethernet operation maintenance management (Operation Administration and Maintenance, OAM) frame is to crosspoint 122 transmitting-receivings, the ethertype field of the Ether frame of the crosspoint 122 of OLT based on OAM frame sends at down direction this OAM frame to optical module array 128, at up direction, to OLT control unit 123, forward.
In step S100, ONU processing procedure comprises the following steps:
S120:ONU electrifying startup arranges intersection routing and sets up fixed network services;
In step S120, when ONU electrifying startup, ONU arrange ONU intersection routing unit 146 and input link signal from ETH crosspoint 142 access fixed network business, meanwhile, close SFP optical module 145, thereby close the I/O of RRU movable signal.The management channels of foundation based on Ether frame form.This management channels is that ONU control unit 143 is received and dispatched the OAM frame of ether to crosspoint 142, the ethertype field of the Ether frame of crosspoint 142 based on OAM frame sends at up direction this OAM frame to optical module 148, at down direction, to ONU control unit 143, forward.Meanwhile, ONU control unit 143 starts OAM Processing tasks, prepares to process the OAM ethernet management data message of receiving.
In step S200, the process that OLT processes comprises the following steps:
S210: detect the up light of whether receiving of OLT, if so, enter step S220; If not, enter step S220a;
S220: search ONU and whether authorize, if so, enter step S230; If not, enter step S230a;
S220a: find corresponding ONU and report the alarm that goes offline;
S220b: close the passage of access BBU signal when inquiry ONU configuration service is mobile service to set up fixed network tunneling traffic;
S230: search optical network unit state and whether change, if so, enter step S240, if not, enter step S110;
S230a: send OAM inquiry ONU information;
S230b: authorize ONU and ONU business configuration is set;
S240: report the alarm clearance that goes offline;
S242: reconfigure ONU business;
S250: whether inquiry ONU configuration service is mobile service, if so, enters step S260, if not, enters step S260a;
S260: whether the BBU signal that detects corresponding access interrupts, and if so, enters step S270, if not, continues to detect;
S260a:OLT sends OAM heartbeat frame to ONU;
Whether S260b:ONU normal response, and if so, fixed network services are normal, and if not, fixed network services are interrupted;
S270: intersection routing is set and closes BBU signal access passage and set up fixed network passage transmission OAM inquiry packet;
S280: regularly whether optical network unit normal response OAM, if so, enters step S290, if not, mobile service interrupts;
S290: determine whether to recover mobile service according to ONU response message, if so, enter step S242, if not, enter step S290a;
S290a: restart ONU.
In step S210, the detection that OLT control unit 123 starts the up receipts light signal of optical module array 128, if a certain wavelength channel has receipts light, OLT control unit 123 sends the ability information of Ethernet OAM frame inquiry ONU by ETH crosspoint 122.
In step S220, OLT receives the ability information that ONU reports, and searches the ONU authorization list hung under the optical line terminal PON of network management system and ONU presence information to check ONU and whether authorize and whether ONU presence changes.
In step S220a, up receipts light signal inefficacy (the Loss of Singal of local side optical module array 128 at OLT, detected, LOS) time, the authorization message table that OLT is handed down to OLT by network management system finds this ONU, and first OLT control unit 123 reports this ONU of network management system to go offline.
In step S220b, OLT control unit 123 checks the business configuration of network management system to this ONU, when this ONU disposes mobile service, OLT arranges and intersects routing unit 126 to close the path of corresponding BBU, it is the concrete SFP optical module of correspondence that OLT control unit 123 is searched the mobile service BBU signal access of this ONU configuration, close the transmitting-receiving of this SFP optical module, intersection routing unit 126 is linked into crosspoint 122 with access fixed network signal simultaneously, guarantee that the management channels between OLT and this ONU can be unimpeded, for managing the transmitting-receiving of OAM, perform the preparation of physical channel.
Be understandable that, if the up receipts light signal of local side optical module array 128 recovers, LOS eliminates, ONU again reach the standard grade and need reset ONU business configuration after set up the communication of corresponding service collocation channel.
In step S230, if OLT control unit 123 can find that this ONU has authorized and ONU state variation by the ability information of crosspoint 122 transmission Ethernet OAM frame inquiry ONU, be ONU never presence become presence, show that this ONU reaches the standard grade again.
In step S230a, if the ability information that OLT control unit 123 sends Ethernet OAM frame inquiry ONU by crosspoint 122 is found this ONU with no authorized information, show that this ONU is newfound ONU, need to report the capability set that network management system is found new ONU and this ONU.
In step S230b, OLT control unit 123 request webmaster these ONU of mandate also configure corresponding business, and in present embodiment, ONU can be authorized to be and support fixed network services or mobile service.
In step S240, if the never online state of ONU becomes presence, i.e. this ONU alarm that goes offline is removed, and OLT control unit 123 is by the ONU information reporting network management system of again reaching the standard grade.
In step S242, OLT is to the ONU business configuration of again reaching the standard grade.
In step S250, OLT control unit 123 is inquired about the configuration information of this ONU from network management system, if the configuration information of inquiry shows the capability set that this ONU supports mobile service and OLT control unit 123 to receive that this ONU reports and shows that it possesses the mobile service of support ability, the service configuration information that OLT control unit 123 issues ONU by OAM management channels is to ONU, indication ONU control unit 123 is opened the transmitting-receiving of the SFP optical module 148 of transmission CPRI form and is controlled, and the intersection routing unit 146 of ONU is linked into this SFP optical module 148.Meanwhile, the correlation module of OLT control unit 123 configuration local side OLTs, OLT control unit 123 arranges intersection routing unit 126 and sets up mobile service tunneling traffic with the access BBU signal corresponding with this ONU.
In step S260, startup detects the Link State of the BBU of access, if detecting the Link State of this BBU, OLT control unit 123 occurs interrupting, the authorization message table that OLT control unit 123 is handed down to OLT by network management system finds this ONU, and first OLT control unit 123 reports this ONU mobile service of network management system to interrupt.
In step S260a, if this ONU supports fixed network services, OLT starts the OAM heartbeat frame repeating query to this ONU, i.e. OLT control unit 123 timed sending OAM management frames, and the state information that requires ONU to reply ONU, as ONU version, ETH linking status etc.
In step S260b, if ONU control unit 143 normal response OLT control units 123 send OAM heartbeat frame, ONU is the state in normal work, if continuous 3 timings of OLT control unit 123 do not receive ONU reply OAM heartbeat frame, ONU is the state in non-normal working.
In step S270, OLT control unit 123 checks the business configuration of network management system to this ONU, when navigating to this ONU and this ONU and dispose mobile service, OLT control unit 123 arranges the path that corresponding access BBU signal is closed in intersection routing unit 126, be the concrete SFP optical module of correspondence that OLT control unit 123 is searched the mobile service BBU signal access of this ONU configuration, close the transmitting-receiving of this SFP optical module.
In step S280, OLT control unit 123 arranges and intersects routing unit 126 from crosspoint 122 access fixed network signals, to this ONU, send OAM frame and notice mobile service link down, start OAM heartbeat repeating query with according to the ONU OAM heartbeat frame repeating query whether regularly normal response OLT sends simultaneously.
In step S290, if ONU replys the inquiry of OLT and reports SFP optical module diagnostic data and intersect the connection status of routing unit, OLT again issues configuration information to ONU and recovers mobile service transmission.
In step S290a, if can not recover or other operation irregularity states, OLT can select to be issued and restart reset instruction to ONU by the management channels based on Ether frame, and this ONU that resets is to reach the object of recovery business.
In step S300, the process that ONU processes comprises the following steps:
S310: detect the descending light of whether receiving of ONU, if so, enter step S320, if not, enter step S320a;
S320: receive the OAM inquiry packet that OLT sends;
S320a: close mobile service passage and set up fixed network passage;
S330: reply OAM reporting ability collection and ONU information;
S340: receive the business configuration of OLT and when business configuration is mobile service gating mobile service passage access corresponding RRU signal;
S350: whether the RRU signal that detects the corresponding access of mobile service passage interrupts, and if so, enters step S360, if not, continues to detect;
S360: intersection routing is set and closes RRU signal access mobile service passage and set up fixed network passage.
In step S310, ONU detects and to coordinate optical module 148 and receive the light signals LOS that whether lost efficacy.ONU control unit 143 modules are closed the transmitting-receiving of SFP optical module 145, and the signal that intersection routing unit 146 is configured to crosspoint 142 accesses to set up fixed network management channels, and ONU control unit 143 starts OAM processing procedures.Be understandable that, if coordinate optical module 148, receive light signal recovery, LOS eliminates, and the processing procedure of ONU is identical with processing procedure in step 240 and step S242.
In step S320, ONU receives the OAM frame supervisory packet of the OLT transmission of the fixed network management channels transmission by setting up.
In step S320, ONU control unit 143 modules are closed the transmitting-receiving of SFP optical module 145, and the signal that intersection routing unit 146 is configured to crosspoint 142 accesses to set up fixed network management channels, and ONU control unit 143 starts OAM processing procedures.Be understandable that, if coordinate optical module 148, receive light signal recovery, LOS eliminates, and the processing procedure of ONU is identical with processing procedure in step 240 and step S242, be also ONU again reach the standard grade and need reset ONU business configuration after set up the communication of corresponding service collocation channel.
In step S330, ONU control unit 143 sends OAM message by management channels, reports the capability set of ONU, comprises the interface message of ONU and the ability of supporting mobile service.
In step S340, if the business configuration of ONU is mobile service, ONU control unit 143 is opened the transmitting-receiving control of the SFP optical module 145 of transmission CPRI frame, configuration intersects routing unit 146 so that the signal of RRU is set up mobile service tunneling traffic by 145 accesses of SFP optical module, now, the signal of BBU enters ONU by coordinating optical module, through intersection routing unit 146, proceeds to SFP optical module 148 and enters RRU through optical fiber.Being understandable that, is fixed network services if ONU receives the managing configuration information of the OLT come by management channels, ONU continuation maintenance management passage unimpeded respond in time the OAM heartbeat frame repeating query of OLT.
In step S350, ONU control unit 146 starts whether the transmitting-receiving of this SFP optical module is monitored to detect the Link State of RRU unit working properly.
In step S360, if the transmitting-receiving of SFP optical module 145 occurs abnormal, the signal that shows RRU occurs abnormal, ONU control unit 143 is closed the transmitting-receiving of SFP optical module 145 and intersection routing unit 146 is configured to access signals to set up fixed network tunneling traffic from crosspoint 142, sends OAM frame abnormal to OLT reporting service through management channels simultaneously.Be understandable that, after setting up fixed network tunneling traffic, ONU receives the OAM frame supervisory packet of the OLT transmission of the fixed network management channels transmission by setting up.
Provided by the invention based on moving in the management method administrating system of net access, optical line terminal configure and maintenance is supported the optical network unit at remote side of mobile network's business and fixed network services, can in the management platform of fixed network, manage the optical network unit of simultaneously supporting fixed network services and mobile service.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection range of the claims in the present invention.
Claims (10)
1. based on admittedly moving, net the management method accessing for one kind, it is the management at least one optical network unit for optical line terminal, described at least one optical network unit is supported mobile network and fixed network services, and the described management method based on admittedly moving net connecting system comprises the following steps:
Electrifying startup arranges and intersects routing and set up fixed network services management channels between described optical line terminal and described at least one optical network unit;
Whether detect described optical line terminal up direction receives light and determines whether to arrange according to the business configuration of described at least one optical network unit and intersect routing and set up mobile network or fixed network tunneling traffic;
Described in detecting, whether at least one optical network unit down direction is received light and is determined whether to arrange intersection routing according to the business configuration of described optical network unit and set up mobile network or fixed network tunneling traffic;
Detect the corresponding network channel status of foundation so that proper communication between described optical line terminal and described at least one optical network unit.
2. the management method based on admittedly moving net access as claimed in claim 1, is characterized in that, described whether foundation in mobile or fixed network services passage step comprises the following steps:
Whether described at least one optical network unit of judgement is authorized and is online to determine whether to arrange the business configuration of described at least one optical network unit;
In the up receipts light of the described optical line terminal ability information that also inquiry has been authorized and online optical network unit reports, be intersection routing gating mobile network to be set while supporting mobile service to access the signal of the Base Band Unit corresponding with described optical network unit, set up mobile network management passage and issue mobile service configuration information to described optical network unit;
Described optical network unit arranges intersection routing gating mobile network according to the mobile service configuration issuing and sets up mobile network management passage with the signal of the access Remote Radio Unit corresponding with described optical network unit.
3. the management method based on admittedly moving net access as claimed in claim 2, is characterized in that, in the step of the network channel that described detection is set up, comprises the following steps:
When setting up mobile network's tunneling traffic, detect the baseband processing unit of corresponding access and the communication link state of Remote Radio Unit and intersection routing is set when interrupted communication link and close mobile service passage to set up the communication of fixed network management channels.
4. the management method based on admittedly moving net access as claimed in claim 3, is characterized in that, the described fixed network management channels communication steps of setting up comprises the following steps:
Described optical line terminal sends the repeating query of ethernet operation maintenance management heartbeat frame;
According to described optical network unit, whether regularly replying sent heartbeat frame repeating query judges whether mobile service tunneling traffic link interrupts, if, the mobile service that resets described optical network unit is configured to recover communication, and if not, mobile service passage interrupts.
5. the management method based on admittedly moving net access as claimed in claim 2, is characterized in that, described whether foundation in mobile or fixed network services passage step comprises the following steps:
At the up receipts light signal of described optical line terminal, lost efficacy and the ability information that finds described optical network unit arranges corresponding intersection routing when supporting mobile service and closes the mobile service passage of corresponding baseband processing unit and set up fixed network tunneling traffic;
At described optical network unit down direction, received when light signal lost efficacy and close the passage of described Remote Radio Unit link and set up fixed network management channels.
6. the management method based on admittedly moving net access as claimed in claim 1, is characterized in that, described whether foundation in mobile or fixed network services passage step comprises the following steps:
At the up receipts light of described optical line terminal the configuration information that finds described optical network unit, regularly to described optical network unit, send the repeating query of ethernet operation maintenance management heartbeat frame when supporting fixed network services;
The configuration of fixed network services that described optical network unit issues according to described optical line terminal continues the unimpeded of maintenance management passage ethernet operation maintenance management heartbeat frame repeating query that timing response sends.
7. the management method based on admittedly moving net access as claimed in claim 6, is characterized in that, in the step of the network channel that described detection is set up, comprises the following steps:
According to described optical network unit, the ethernet operation maintenance management heartbeat frame repeating query whether regularly optical line terminal sends described in normal response determines whether set fixed network passage communicates by letter normally.
8. based on admittedly moving, net the management system accessing for one kind, it is the management at least one optical network unit for optical line terminal, described at least one optical network unit is used for supporting mobile network and fixed network services, described at least one optical network unit is used for supporting mobile network and fixed network services, described optical line terminal detects the service configuration information of described at least one optical network unit, described optical line terminal and described optical network unit comprise that respectively intersects a routing unit, described intersection routing unit for setting up fixed network services tunneling traffic after electrifying startup between described optical line terminal and described at least one optical network unit, and the service configuration information of the described optical network unit detecting according to described optical line terminal selects to set up fixed network services tunneling traffic or mobile service tunneling traffic.
9. as claimed in claim 8 based on admittedly moving the management system of netting access, it is characterized in that, described optical line terminal arranges the signal of the described intersection routing unit access Base Band Unit corresponding with described optical network unit to set up mobile network management passage and to issue mobile service configuration information to described optical network unit when the business configuration of up receipts light and described optical network unit is mobile service, the signal that described optical network unit arranges the intersection routing unit access Remote Radio Unit corresponding with described optical network unit according to the mobile service configuration issuing is to set up mobile network management passage.
10. as claimed in claim 8 based on admittedly moving the management system of netting access, it is characterized in that, described optical line terminal lost efficacy and the ability information that finds described optical network unit arranges described intersection routing unit when supporting mobile service and closes the baseband processing unit signal of the corresponding access of amenorrhoea mobile service passage and set up fixed network passage at up receipts light signal, and described optical network unit was received when light signal lost efficacy and closed the Remote Radio Unit signal of the corresponding access of amenorrhoea mobile service passage and set up fixed network management channels at down direction.
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