CN103684867B - 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 present invention provides a kind of management method based on fixed or mobile network access, and which is used for management of the optical line terminal at least one optical network unit, and the method is comprised the following steps：Electrifying startup arranges between optical line terminal and at least one optical network unit and intersects routing and set up fixed network services；Whether detection optical line terminal up direction is received light and is moved or fixed network passage to determine whether to set up according to the business configuration of at least one optical network unit；Detect whether at least one optical network unit down direction is received light and moved or fixed network passage to determine whether to set up according to the business configuration of at least one optical network unit；The corresponding network channel status that detection is set up is so that proper communication between optical line terminal and at least one optical network unit.The optical network unit of optical line terminal configuration and maintenance support mobile service and fixed network services in the method, can manage the optical network unit for supporting fixed network services and mobile service simultaneously in fixed network management platform.Present invention also offers a kind of management system.
Description
Technical field
A kind of the present invention relates to communication technical field, more particularly to management method and management system based on fixed or mobile network access
System.
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 using between end of optical fiber repeater and distal end is all general
Common wireless interface (Common Public Radio Interface, CPRI), CPRI standards define radio equipment controller
CPRI frames are introduced wavelength-division multiplex from optical interface by the interface and wireless device between（Wavelength Division
Multiplexing, WDM）Passive optical-fiber network（Passive optical network, PON）System, using WDM PON nets
High bandwidth in one wavelength channel of network carries out the transmission of pure CPRI frames, zooms out the distance of BBU and RRU, so that WDM PON
The business of grid expands to from simple support broadband services and is concurrently accessed broadband services and supports mobile retransmission/forward pass etc.
The pattern of multiple business.
However, as the signaling of mobile forward pass/return path signal is entirely different with the way to manage of fixed network services, being under the jurisdiction of nothing
Line movement and wired fixed network two spike-type cultivars, this Integrated access mode are caused while supporting mobile retransmission/forward pass and fixed network services
Multiple business access optical network unit at remote side (ONU) can not manage.
Content of the invention
In view of this, the present invention provides a kind of optical network unit that can be managed and support the access of mobile and fixed network services simultaneously
Management method and management system based on fixed or mobile network access.
A kind of management method based on fixed or mobile network access, its are used for pipe of the optical line terminal at least one optical network unit
Reason, at least one optical network unit support mobile network and fixed network services, the management method bag based on fixed or mobile network access
Include following steps：
Electrifying startup is intersected routing and is built by respective in the optical line terminal and at least one optical network unit
Vertical fixed network services management passage；
Detect whether the optical line terminal up direction receives light the business according at least one optical network unit
Configure to determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
Detect whether at least one optical network unit down direction receives light the business according to the optical network unit
Configure to determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
The corresponding network channel status that detection is set up is so that the optical line terminal and at least one optical network unit
Between proper communication.
A kind of management system based on fixed or mobile network access, its are used for pipe of the optical line terminal at least one optical network unit
Reason, at least one optical network unit be used for supporting mobile network and fixed network services, described in the optical line terminal detection at least
With the optical network unit, the service configuration information of one optical network unit, the optical line terminal include that intersects a choosing respectively
Road unit, the intersection routing unit are used for after electrifying startup in the optical line terminal and at least one optical-fiber network list
Fixed network services tunneling traffic, and the business configuration of the optical network unit according to optical line terminal detection is set up between unit
Information is selecting to set up fixed network services tunneling traffic or mobile service tunneling traffic.
Compared with prior art, what the present invention was provided is netted based on shifting in the management method and management system for accessing, optical link
Terminal configuration and the optical network unit of maintenance support mobile network business and fixed network services, can manage in the management platform of fixed network
The optical network unit of fixed network services and mobile service is supported simultaneously.
Description of the drawings
Fig. 1 is the management system network construction module schematic diagram accessed based on shifting net that the present invention is provided.
Fig. 2 is the flow chart of the management method based on fixed or mobile network access system that the present invention is provided.
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
Management system 10 based on fixed or mobile network access
Optical line terminal 12
Crosspoint 122,142
OLT control units 123
SFP optical modules 125
Intersect routing unit 126,146
Optical mode block array 128
Optical network unit 14
ONU control units 143
SFP optical modules 145
Optical module 148
AWG 129、149
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Fig. 1 is referred to, a kind of network of its management system based on fixed or mobile network access provided for embodiment of the present invention
Construction module schematic diagram, the management system 10 based on fixed or mobile network access are used for optical line terminal (Optical Line
Terminal, OLT) 12 management pair at least one optical network unit (Optical Network Unit, ONU) 14, the light
NE 14 supports mobile network's business and fixed network services.In present embodiment, an optical network unit is set.
The optical line terminal 12 includes crosspoint 122, OLT control units 123, at least one hot plug small package mould
Block（Small Form-factor Pluggables, SFP）125, intersection routing unit 126, optical mode block array of optical module
128 and array waveguide grating（Arrayed Waveguide Grating, AWG）129.The intersection routing unit 126 is used for passing
The defeated baseband processing unit accessed from least one SFP optical modules（Building Base band Unit, BBU）Pass through optical fiber
Defeated movable signal and from Ethernet exchanging unit through Ethernet（Ethernet,ETH）The fixed network signal that interface is accessed.
In present embodiment, Ethernet exchanging unit by the ethernet signal accessed through Ethernet interface be divided into N+M roads with
Too network signal, optical line terminal 12 arrange N number of SFP optical modules, and optical mode block array is N+M roads wavelength light module array.
Optical network unit 14 includes that crosspoint 142, the SFP optical modules 145, of ONU control units 143, intersect
Routing unit 146, optical module 148 and AWG149.The routing unit 146 that intersects is used for the base that transmission is accessed from SFP optical modules
Tape handling unit（Radio Remote Unit, RRU）Through the movable signal of Optical Fiber Transmission and from ETH crosspoints 142 through ETH
The fixed network signal that interface is accessed.In present embodiment, optical module 148 is tunable optical module.
In OLT sides, BBU movable signal CPRI frames are introduced by SFP optical modules 125, other fixed network services such as broadband industry
Business and speech business, are introduced in the form of Ether frame, and two kinds of frames are in intersecting routing unit 126 as WDM PON systems
One business, take WDM PON multi-wavelengths in a wavelength, through optical mode block array 128 be converted to optical signal and by
AWG129 completes single fiber bi-directional transmission.
In ONU sides, the light from the transmission of AWG149 single fibers is selected through intersecting through the tuning locking corresponding wavelength of optical module 148
Road unit 146 be sent to respectively SF optical modules 145 complete CPRI frames be sent to RRU provide mobile network service and be sent to ETH exchange
Unit 142 completes the function of exchange of Ether frame and provides fixed network service.
Fig. 2 is referred to, a kind of its management method based on fixed or mobile network access provided for present embodiment, which is used for light
Mobile network and fixed network services are supported in management of the road terminal 12 to optical network unit 14, the optical network unit 14, described based on solid
The management method for moving net access system is comprised the following steps：
S100：Electrifying startup arranges between the optical line terminal and the optical network unit and intersects routing and set up fixed network
Service management passage；
S200：Detect whether the optical line terminal up direction receives light the business configuration according to the optical network unit
To determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
S300：Detect whether the optical network unit down direction receives light the business configuration according to the optical network unit
To determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
S400：The corresponding network channel status that detection is set up is so that between the optical line terminal and the optical network unit
Proper communication.
OLT processing procedures are comprised the following steps in the step s 100：
S110：OLT electrifying startups arrange intersection routing and set up fixed network services；
In step s 110, when OLT electrifying startups, OLT is arranged and is intersected 126 all of input link signal of routing unit
It is input into from ETH crosspoints, so as to fixed network signal is introduced the system, simultaneously closes off SFP optical modules 125, so as to closes BBU shiftings
Access/the output of dynamic signal, sets up fixed network management passage.In fixed network management passage, Ethernet is grasped by OLT control units 123
Make maintenance management（Operation Administration and Maintenance, OAM）Frame is received and dispatched to crosspoint 122,
Ethertype field of the crosspoint 122 of OLT based on the Ether frame of OAM frames is by the OAM frames in down direction to optical module battle array
Row 128 send, and forward to OLT control units 123 in up direction.
ONU processing procedures are comprised the following steps in the step s 100：
S120：ONU electrifying startups arrange intersection routing and set up fixed network services；
In the step s 120, when ONU electrifying startups, ONU arranges the input link for intersecting 146 sum of routing unit of ONU
Signal from 142 access fixed network business of ETH crosspoints, meanwhile, close SFP optical modules 145, so as to close RRU movable signals
Input/output.Set up the management passage based on ether frame format.The management passage is ONU control units 143 by the OAM of ether
Frame is received and dispatched to crosspoint 142, and ethertype field of the crosspoint 142 based on the Ether frame of OAM frames is by the OAM frames upper
Line direction is sent to optical module 148, is forwarded to ONU control units 143 in down direction.Meanwhile, ONU control units 143 start
OAM process tasks, preparation process the OAM ethernet management data messages for receiving.
In step s 200, the process that OLT is processed is comprised the following steps：
S210：Detect that OLT is up and whether receive light, if so, enter step S220；If it is not, entering step S220a；
S220：Search whether ONU authorizes, if so, enter step S230；If it is not, entering step S230a;
S220a：Find corresponding ONU and report the alarm that goes offline；
S220b：Inquire about and close the passage for accessing BBU signals to set up fixed network passage when ONU configuration services are mobile service
Communication；
S230：Search whether optical network unit state changes, if so, enter step S240, if it is not, entering step S110；
S230a：Send OAM inquiry ONU information；
S230b：Authorize ONU and ONU business configurations are set；
S240：Report the alarm clearance that goes offline；
S242：Reconfigure ONU business；
S250：Whether inquiry ONU configuration services are mobile service, if so, enter step S260, if it is not, entering step
S260a；
S260：Whether the corresponding BBU signals for accessing of detection interrupt, and if so, enter step S270, if it is not, continuing detection；
S260a：OLT sends OAM heartbeat frames to ONU；
S260b：ONU whether normal responses, if so, then fixed network services are normal, if it is not, fixed network services are interrupted；
S270：Arrange to intersect routing closing BBU signals access passage and set up fixed network passage and send OAM inquiry bags；
S280：Optical network unit whether timing normal response OAM, if so, enters step S290, if it is not, in mobile service
Disconnected；
S290：Determine whether to recover mobile service according to ONU response messages, if so, enter step S242, if it is not, entering
Enter step S290a；
S290a：Restart ONU.
In step S210, OLT control units 123 start the detection of the up receipts optical signal to optical mode block array 128, if
A certain wavelength channel has receipts light, then OLT control units 123 send Ethernet OAM frame by ETH crosspoints 122 and inquire about ONU's
Ability information.
In step S220, OLT receives the ability information that ONU is reported, and searches under the optical line terminal PON of network management system
Whether the ONU authorization lists of extension and ONU presence informations are checking ONU and authorize and whether ONU presences change.
In step S220a, in the up receipts optical signal failure that OLT detects local side optical mode block array 128（Loss of
Singal, LOS）When, OLT is handed down to the authorization message table search of OLT to the ONU by network management system, then OLT control units
123 report the network management system ONU to go offline first.
In step S220b, OLT control units 123 check business configuration of the network management system to the ONU, in the ONU configurations
When having mobile service, OLT is arranged and is intersected routing unit 126 to close the path of corresponding BBU, i.e. the lookup of OLT control units 123 should
The corresponding concrete SFP optical modules that the mobile service BBU signals of ONU configurations are accessed, close the transmitting-receiving of the SFP optical modules, while will
Intersect routing unit 126 and crosspoint 122 is linked into access fixed network signal, it is ensured that the management passage between OLT and the ONU can
With unimpeded, it is that the transmitting-receiving for managing OAM performs the preparation of physical channel.
It is understood that if the up receipts optical signal of local side optical mode block array 128 recovers, LOS is eliminated, and ONU is gone up again
Line simultaneously sets up the communication of corresponding service collocation channel after need to carrying out resetting ONU business configurations.
In step S230, if OLT control units 123 can send Ethernet OAM frame by crosspoint 122 inquires about ONU
Ability information find that the ONU is authorized and ONU state changes, i.e. ONU never presence is changed into presence, then table
The bright ONU is reached the standard grade again.
In step S230a, if OLT control units 123 send Ethernet OAM frame by crosspoint 122 inquires about ONU's
Ability information finds the ONU with no authorized information, then show that the ONU is newfound ONU, needs to report that network management system finds newly
The capability set of the ONU and ONU.
In step S230b, the request webmaster mandate ONU of OLT control units 123 simultaneously configures corresponding business, this enforcement
In mode, ONU can be authorized to be support fixed network services or mobile service.
In step S240, if the never online states of ONU are changed into presence, i.e. the ONU goes offline to alert and releases, OLT
ONU is reached the standard grade information reporting network management system by control unit 123 again.
In step S242, OLT is reached the standard grade again to ONU business configuration.
In step s 250, OLT control units 123 inquire about the configuration information of the ONU from network management system, if the configuration of inquiry
Information shows that the ONU supports mobile service and OLT control units 123 receive the capability set that the ONU reports and show that it possesses support
Mobile service ability, then OLT control units 123 service configuration information of ONU is issued to ONU by OAM management passages, indicate
ONU control units 123 open the transmitting-receiving control of the SFP optical modules 148 of transmission CPRI forms, and the intersection routing list by ONU
Unit 146 is linked into the SFP optical modules 148.Meanwhile, OLT control units 123 configure the correlation module of local side OLT, i.e. OLT is controlled
Unit 123 arranges intersection routing unit 126 and sets up mobile service tunneling traffic to access BBU signals corresponding with the ONU.
In step S260, start the Link State detection to the BBU for accessing, if OLT control units 123 detect this
Interrupting occurs in the Link State of BBU, then OLT control units 123 are arrived by the authorization message table search that network management system is handed down to OLT
The ONU, then OLT control units 123 report the network management system ONU mobile services to interrupt first.
In step S260a, if the ONU supports that fixed network services, OLT start the OAM heartbeat frame repeating queries to the ONU, i.e.,
123 timing of OLT control units sends OAM management frames, it is desirable to the status information of ONU response ONU, such as ONU versions, ETH link shapes
State etc..
In step S260b, if the OAM heartbeats that 143 normal response OLT control units of ONU control units 123 send
Frame, then ONU is the state in normal work, if 123 continuous 3 timings of OLT control units do not receive the response OAM of ONU
Heartbeat frame, then ONU is the state in non-normal working.
In step S270, OLT control units 123 check business configuration of the network management system to the ONU, are navigating to this
ONU and when the ONU is configured with mobile service, OLT control units 123 arrange to intersect routing unit 126 and closes correspondingly access BBU letters
Number path, i.e. OLT control units 123 search the corresponding concrete SFP optical modes that the mobile service BBU signals of ONU configuration are accessed
Block, closes the transmitting-receiving of the SFP optical modules.
In step S280, OLT control units 123 are arranged intersects routing unit 126 from 122 access fixed network of crosspoint letter
Number, OAM frames notice mobile service link down is sent to the ONU, while starting OAM heartbeats repeating query with according to ONU whether timings
The OAM heartbeat frame repeating queries that normal response OLT sends.
In step S290, if the inquiry of ONU response OLT and report SFP optical modules diagnostic data and intersect routing unit
Connection status, then OLT again to ONU issue configuration information come recover mobile service transmission.
In step S290a, if can not recover or other operation irregularity states, OLT can be selected by based on Ether frame
Management passage issue to ONU and restart reset instruction, the ONU that resets is reaching the purpose of recovery business.
In step S300, the process of ONU process is comprised the following steps：
S310：Detect that ONU is descending and whether receive light, if so, enter step S320, if it is not, entering step S320a；
S320：Receive the OAM inquiry bags that OLT sends；
S320a：Close mobile service passage and set up fixed network passage；
S330：Response OAM reporting ability collection and ONU information；
S340：Receive the business configuration of OLT and the access of gating mobile service passage is right when business configuration is mobile service
Answer RRU signals；
S350：Whether the RRU signals that detection mobile service passage is correspondingly accessed interrupt, and if so, enter step S360, if
No, continue detection；
S360：Arrange and intersect routing closing RRU signals access mobile service passage and set up fixed network passage.
In step S310, ONU detections are coordinated optical module 148 and receive whether optical signal fails LOS.143 mould of ONU control units
Block closes the transmitting-receiving of SFP optical modules 145, the signal that intersection routing unit 146 is configured to crosspoint 142 is accessed solid to set up
Net management passage, ONU control units 143 start OAM processing procedures.If it is understood that coordinating optical module 148 receives optical signal
Recover, LOS is eliminated, the processing procedure of ONU is identical with processing procedure in step 240 and step S242.
In step s 320, ONU receives the OAM frames management bag sent by the OLT of the fixed network management passage transmission that sets up.
In step s 320,143 module of ONU control units closes the transmitting-receiving of SFP optical modules 145, will intersect routing unit
146 signals for being configured to crosspoint 142 are accessed to set up fixed network management passage, and ONU control units 143 start OAM and processed
Journey.If recovering it is understood that coordinating optical module 148 and receiving optical signal, LOS is eliminated, the processing procedure of ONU and step 240 and
In step S242, processing procedure is identical, namely ONU reaches the standard grade again and sets up corresponding industry after need to carrying out resetting ONU business configurations
Business collocation channel communication.
In step S330, ONU control units 143 send OAM message by management passage, report the capability set of ONU, wrap
The interface message for including ONU and the ability for supporting mobile service.
In step S340, if the business configuration of ONU is mobile service, ONU control units 143 open transmission CPRI frames
SFP optical modules 145 transmitting-receiving control, configuration intersect routing unit 146 so that the signal of RRU is accessed by SFP optical modules 145
Mobile service tunneling traffic is set up, now, the signal of BBU enters ONU by coordinating optical module, through intersecting routing unit 146
Proceed to SFP optical modules 148 and RRU is entered through optical fiber.If it is understood that ONU receive by management passage come OLT pipe
Reason configuration information is fixed network services, then ONU continues the OAM heartbeat frame repeating queries that are unimpeded and timely responding to OLT of maintenance management passage.
In step S350, ONU control units 146 start the transmitting-receiving monitoring to the SFP optical modules to detect RRU units
Whether Link State is working properly.
In step S360, if exception occurs in the transmitting-receiving of SFP optical modules 145, show that exception, ONU occurs in the signal of RRU
Control unit 143 is closed the transmitting-receiving of SFP optical modules 145 and is configured to access letter from crosspoint 142 by routing unit 146 is intersected
Number to set up fixed network tunneling traffic, while sending OAM frames to OLT reporting service exceptions through management passage.It is understood that
After setting up fixed network tunneling traffic, ONU receives the OAM frames management bag sent by the OLT of the fixed network management passage transmission that sets up.
In the management method accessed based on shifting net of present invention offer and management system, optical line terminal configuration and maintenance are propped up
The optical network unit at remote side of mobile network's business and fixed network services is held, can be managed in the management platform of fixed network
Business and the optical network unit of mobile service.It is understood that for the person of ordinary skill of the art, can basis
The technology design of the present invention makes other various corresponding changes and deformation, and all these changes and deformation should all belong to this
Bright scope of the claims.
Claims (10)
1. a kind of management method based on fixed or mobile network access, which is used for pipe of the optical line terminal at least one optical network unit
Reason, at least one optical network unit support mobile network and fixed network services, the management method bag based on fixed or mobile network access
Include following steps：
Electrifying startup intersects routing foundation admittedly with least one optical network unit by respective in the optical line terminal
Network service management passage；
Detect whether the optical line terminal up direction receives light the business configuration according at least one optical network unit
To determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
Detect whether at least one optical network unit down direction receives light the business configuration according to the optical network unit
To determine whether that arranging intersection routing sets up mobile network or fixed network tunneling traffic；
The corresponding network channel status that detection is set up is so that between the optical line terminal and at least one optical network unit
Proper communication.
2. the management method based on fixed or mobile network access as claimed in claim 1, it is characterised in that described whether set up mobile or
Comprise the following steps in fixed network services channel step：
Judge whether at least one optical network unit authorizes and online determining whether to arrange at least one optical-fiber network
The business configuration of unit；
The optical line terminal up receive light inquiring about is authorized and online optical network unit is reported ability information for
Arrange when holding mobile service and intersect routing gating mobile network to access the letter of Base Band Unit corresponding with the optical network unit
Number setting up mobile network management passage and issue mobile service configuration information to the optical network unit；
The optical network unit according to issue mobile service configuration arrange intersect routing gating mobile network with access with described
The signal of the corresponding Remote Radio Unit of optical network unit sets up mobile network management passage.
3. the management method based on fixed or mobile network access as claimed in claim 2, it is characterised in that the net set up by the detection
Comprise the following steps in the step of network passage：
The communication chain of the corresponding baseband processing unit for accessing and Remote Radio Unit is detected when mobile network's tunneling traffic is set up
Line state and in a communication link break when arrange intersect routing close mobile service passage with set up fixed network management passage communication.
4. the management method based on fixed or mobile network access as claimed in claim 3, it is characterised in that described to set up fixed network management logical
Road communication steps are comprised the following steps：
The optical line terminal sends ethernet operation maintenance management heartbeat frame repeating query；
Mobile service tunneling traffic chain is judged according to the optical network unit whether heartbeat frame repeating query sent by timing response
Whether road interrupts, and the mobile service for if so, then resetting the optical network unit is configured to recover to communicate, if it is not, then moving
Service channel interrupts.
5. the management method based on fixed or mobile network access as claimed in claim 2, it is characterised in that described whether set up mobile or
Comprise the following steps in fixed network services channel step：
Fail and find the ability information of the optical network unit for supporting to move in the up optical signal of receiving of the optical line terminal
The corresponding mobile service passage for intersecting the corresponding baseband processing unit of routing closing is set during dynamic business and sets up fixed network passage and led to
Letter；
Receive when optical signal fails in the optical network unit down direction and close the passage of the Remote Radio Unit link and build
Vertical fixed network management passage.
6. the management method based on fixed or mobile network access as claimed in claim 1, it is characterised in that described whether set up mobile or
Comprise the following steps in fixed network services channel step：
The optical line terminal is up receive light and find the configuration information of the optical network unit for supporting fixed network services when
Timing sends ethernet operation maintenance management heartbeat frame repeating query to the optical network unit；
The optical network unit continues the unimpeded of maintenance management passage according to the fixed network services configuration that the optical line terminal is issued
And the ethernet operation maintenance management heartbeat frame repeating query sent by timing response.
7. the management method based on fixed or mobile network access as claimed in claim 6, it is characterised in that the net set up by the detection
Comprise the following steps in the step of network passage：
According to the optical network unit ethernet operation maintenance management that optical line terminal described in timing normal response sends
The repeating query of heartbeat frame is determining whether set fixed network passage communicates normally.
8. a kind of management system based on fixed or mobile network access, which is used for pipe of the optical line terminal at least one optical network unit
Reason, at least one optical network unit be used for supporting mobile network and fixed network services, described in the optical line terminal detection at least
With the optical network unit, the service configuration information of one optical network unit, the optical line terminal include that intersects a choosing respectively
Road unit, the intersection routing unit are used for after electrifying startup in the optical line terminal and at least one optical-fiber network list
Fixed network services tunneling traffic, and the business configuration of the optical network unit according to optical line terminal detection is set up between unit
Information is selecting to set up fixed network services tunneling traffic or mobile service tunneling traffic.
9. the management system based on fixed or mobile network access as claimed in claim 8, it is characterised in that the optical line terminal is upper
The business configuration of row receipts light and the optical network unit arranges the intersection routing unit and accesses and the light when being mobile service
The signal of the corresponding Base Band Unit of NE is setting up mobile network management passage and issue mobile service configuration information to institute
Optical network unit is stated, the optical network unit is arranged according to the mobile service configuration for issuing and intersects the access of routing unit and the light
The signal of the corresponding Remote Radio Unit of NE is setting up mobile network management passage.
10. the management system based on fixed or mobile network access as claimed in claim 8, it is characterised in that the optical line terminal exists
Up optical signal of receiving fails and finds the ability information of the optical network unit for supporting to arrange the intersection during mobile service
Routing unit is closed the baseband processing unit signal that correspondingly accesses through mobile service passage and sets up fixed network passage, the optical-fiber network
Unit is received the Remote Radio Unit signal that closing is correspondingly accessed through mobile service passage when optical signal fails in down direction and is built
Vertical fixed network management passage.
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| US20230035330A1 (en) * | 2017-05-22 | 2023-02-02 | Teko Telecom S.R.L. | Wireless communication system and related method for processing uplink fronthaul data |
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| CN113839708B (en) * | 2020-06-24 | 2023-03-31 | 中国移动通信有限公司研究院 | System and method for testing optical module of forward transmission network |
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| CN101815137A (en) * | 2010-02-26 | 2010-08-25 | 中兴通讯股份有限公司 | Double-mode conference telephone |
| CN101860770A (en) * | 2010-05-26 | 2010-10-13 | 中国联合网络通信集团有限公司 | Method and system for converging fixed network and mobile network |
| CN102710361A (en) * | 2012-06-01 | 2012-10-03 | 华为技术有限公司 | Distributed base-station signal transmission system and communication system |
| CN103281599A (en) * | 2013-04-28 | 2013-09-04 | 烽火通信科技股份有限公司 | Common public radio interface (CPRI) frame-based wavelength division multiplexing-passive optional network (WDM-PON) mobile and fixed integrated access system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230035330A1 (en) * | 2017-05-22 | 2023-02-02 | Teko Telecom S.R.L. | Wireless communication system and related method for processing uplink fronthaul data |
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