CN102300237A - Basic station link protecting method and basic station network management system - Google Patents
Basic station link protecting method and basic station network management system Download PDFInfo
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Abstract
The invention provides a basic station link protecting method and a basic station network management system. The basic station link protecting method comprises the following steps that: the basic station link running information in one or more ring networks is received by the basic station network management system; according to the basic station link running information and a preset threshold value, when the variation of the basic station link is determined and when the basic station link reaches the switching condition after the variation, the ring network is switched to a link network; and the switching condition comprises a preset threshold value. The basic station link protecting method and the basic station network management system support a side-by-side multi-protocol link detecting way, so the link detecting efficiency can be improved; the links of the multi-protocol ring networks can be protected, and the restriction that only a particular ring network link protection is supported can be broken through.
Description
Technical field
The present invention relates to wireless telecommunications system looped network protection technology, relate in particular to a kind of guard method and base station network management system of base station link.
Background technology
In the actual use of wireless base station device, a base station controller (Base Station Controller, BSC) often connect a plurality of base transceiver stations (Base Transceiver Station, BTS), and the position of each BTS a good distance off often, in case problem has appearred in one of them BTS, the BTS of back can't work so, very big to service impact, if take the mode of annular networking, problem has appearred in a BTS node, the full annular net has just become two Chain Networks, communication can also normally be carried out, and can not influence business, has improved the stability and the fault-tolerant disaster tolerance ability of base station greatly.
In addition, radio (Software Definition Radio since software definition, SDR) after the serial base station product appearance, progressively obtain the approval of operator, particularly comprise baseband processing unit and Remote Radio Unit (Bandwidth Based Unit+Remote Radio Unit, BBU+RRU) distributed base station has unique advantage, it is widely used, distributed base station mainly adopts star-like networking at present, the reliability height, but taken more fiber resource, do not give full play to the advantage of distributed base station, cost of investment is higher, and each big operator is difficult to accept fully this mode.Even the present abundant China Telecom of fiber resource, adopted this networking mode after, feel that also fiber resource takies too much.Particularly the operator of some fiber resource anxieties has only the transfer resource of a pair of optical fiber as website, and the area that covers is big, satisfy the covering requirement of operator, and it is not all right adopting star-like networking.
The annular networking scheme can solve the difficult problem of transfer resource deficiency on the one hand conscientiously, can improve transmission security on the other hand, but existing technical scheme is only supported a kind of protecting ring network link of Linktype.
Summary of the invention
The invention provides a kind of guard method and base station network management system of base station link, only support the restriction of single protocol link protection to overcome prior art.
The invention provides a kind of guard method of base station link, this method comprises:
Base station network management system receives the base station link operation information in one or more ring networks;
Described base station network management system when the base station link after definite described base station link changes and changes reaches switching condition, switches to Chain Network with described ring network according to described base station link operation information that receives and default threshold value; Described switching condition comprises default threshold value.
Preferably, the Linktype of described a plurality of ring networks is identical or different.
Preferably, described default threshold value comprises one or more in the following threshold value:
Time delay value between base station in the described base station link and disconnection threshold value, base station and the base station between the base station and the delay variation threshold value between base station and the base station.
Preferably, described base station network management system receives before the base station link operation information in one or more ring networks, and described method also comprises:
Described base station network management system sends the ring network networking commands to the base station, so that ring network is formed according to described ring network networking commands in described base station.
Preferably, described base station network management system is after definite described base station link changes, and described method also comprises:
Described base station network management system record is also preserved the base station link information that changes.
Preferably, described base station network management system is after the base station sends the ring network networking commands, and described method also comprises:
Described base station network management system sends the link acquisition to the base station, so that described base station obtains the base station link operation information according to described link acquisition, and reports the described base station link operation information that self obtains to described base station management system.
Preferably, described base station network management system switches to described ring network after the Chain Network, and described method also comprises:
When the base station link of described base station network management system after determining described variation satisfies annular networking, described Chain Network is switched to described ring network.
The present invention also provides a kind of base station network management system, and this system comprises:
Receiver module is used for receiving the base station link operation information of one or more ring networks;
Handover module is used for when the base station link after definite described base station link changes and changes reaches switching condition, described ring network being switched to Chain Network according to described base station link operation information that receives and default threshold value; Described switching condition comprises default threshold value.
Preferably, the Linktype of described a plurality of ring networks is identical or different.
Preferably, described default threshold value comprises one or more in the following threshold value:
Time delay value between base station in the described base station link and disconnection threshold value, base station and the base station between the base station and the delay variation threshold value between base station and the base station.
Preferably, described system also comprises:
The recorded and stored module is used for after described handover module determines that described base station link changes, and record is also preserved the base station link information that changes.
The guard method of above-mentioned base station link and base station network management system can be protected the ring network link of multi-protocols, have broken the limitation that in the past can only support the ring network link protection that certain is specific; Support parallel multi-protocols link detecting mode, improved the efficient of link detecting; Support extendible protecting ring network link strategy, satisfied the protecting ring network link needs of different scenes, improved the efficient of looped network protection greatly.
Description of drawings
Fig. 1 is the structural representation of base station ring network embodiment of the present invention;
Fig. 2 is the structural representation of wireless base station device Ring protection system embodiment of the present invention;
Fig. 3 is the flow chart of wireless base station device ring net protection method embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter will be elaborated to embodiments of the invention in conjunction with the accompanying drawings.Need to prove that under the situation of not conflicting, embodiment among the application and the feature among the embodiment be combination in any mutually.
As shown in Figure 1, the structural representation of BTS ring topology embodiment of the present invention, in this embodiment, base station network management system is initiated the looped network order, the light mouth N of BBU0 links to each other with the light mouth M of RRUA, the light mouth M-1 of RRUA links to each other with the light mouth M of RRUB, the light mouth M-1 of RRUB links to each other with the light mouth M of RRUC, the light mouth M-1 of RRUC links to each other with the light mouth M of RRUD, the light mouth M-1 of RRUD links to each other with the light mouth M of RRUE, the light mouth M-1 of RRUE links to each other with the light mouth N-1 of BBU0, forms a loop network, i.e. Radio Frequency Subsystem loop network; Information flow direction is supported two-way choice, both can be from A->B->C->D->E->F, and can also be two information flows also from F->E->D->C->B->A, be A->B as one ..., one is F->E ...
In addition, a plurality of BBU also can form a loop network, i.e. baseband subsystems loop network.
The embodiment of the invention provides a kind of base station network management system, and this system comprises receiver module and handover module, and wherein: receiver module is used for receiving the base station link operation information of one or more ring networks; Handover module is used for when the base station link after definite described base station link changes and changes reaches switching condition, described ring network being switched to Chain Network according to described base station link operation information that receives and default threshold value; Described switching condition comprises default threshold value.
Wherein, the Linktype of described a plurality of ring networks can be identical, also can be different, for example can be optical fiber link and ethernet link.
Particularly, handover module disconnects or fluctuation of service at described base station link according to described link operation information that receives and default threshold value, and when reaching switching condition, described ring network is switched to Chain Network, guarantees professional normal operation.
Above-mentioned threshold value can dynamically arrange according to different Linktypes, and described default threshold value can comprise one or more in the following threshold value: time delay value between base station in the described base station link and disconnection threshold value, base station and the base station between the base station and the delay variation threshold value between base station and the base station etc.
In addition, described system can also comprise: the recorded and stored module, be used for after described handover module determines that described base station link changes, and record is also preserved the base station link information that changes, and uses so that the user carries out subsequent analysis.
Above-mentioned base station network management system is supported parallel multi-protocols link detecting mode, has improved the efficient of link detecting; Realized the ring network link of multi-protocols is protected, broken the limitation that in the past can only support the ring network link protection that certain is specific; Support extendible ring network link protection strategy, satisfied the protecting ring network link needs of different scenes, improved the efficient of looped network protection greatly.
The embodiment of the invention also provides a kind of base station, and this base station comprises acquisition module and reporting module, wherein: obtain module, be used to receive the link acquisition that base station management system sends, obtain the link operation information of this base station according to described link acquisition; Reporting module is used for reporting to described base station management system the link operation information of described base station.
In addition, this base station can also comprise: form module, be used to receive the ring network networking commands that base station management system sends, form ring network according to described ring network networking commands, the ring network of composition can be referring to Fig. 1.Certainly, can also adopt additive method to form ring network, enumerate no longer one by one herein.
As shown in Figure 2, the structural representation of wireless base station device Ring protection system embodiment of the present invention mainly comprises link management module 21, Link State monitoring module 22, control module 23 and logging modle 24, wherein:
The link management module operates on the base station, is responsible for the management of link.Different Linktypes transmits according to different agreements, so the link management module need be carried out Classification Management to different links.
This Link State monitoring module 22 comprises threshold setting unit 221, condition monitoring unit 222, state prewarning unit 223 and link acquisition 224;
The threshold setting unit, be used for according to different Linktypes, the looped network threshold value is set automatically, there are node disconnection, time delay value to surpass certain scope in for example annular link and can when the looped network condition surpasses threshold range, link switchover will take place as the looped network threshold value, become Chain Network from ring network, guarantee professional normal operation, when Chain Network satisfies the ring network condition, can revert to ring network again;
The condition monitoring unit is all resident process on each network element node (being the base station), monitors the state information of each node in the link at any time, and handles to state information report the state prewarning unit;
The state prewarning unit operates in the webmastering software of base station, receive the link-state information of condition monitoring unit after, compare with the looped network thresholding, if when exceeding thresholding or link fluctuation of service, in time provide early warning;
The link acquisition operates in the webmastering software of base station, receive the link operation information in the link management module on the one hand, detect the variation of link running status on the other hand in real time, when Link State changes, Notification Record module records link-state change information; When link parameter surpassed threshold value, the notice control module was carried out link switchover and is handled the normal operation that assurance is professional.
Base station network management system after the base station receives order, is finished collection by the condition monitoring unit, and the relevant link information that collects is returned to base station network management system regularly to base station broadcast link acquisition.
Above-mentioned control module 23 comprises the second data transmit-receive unit 231 and link switchover unit 232;
The message of the second data transmit-receive unit real-time listening Link State monitoring module, in case annular link parameter surpasses threshold value, notice link switchover unit carries out link switchover, and ring network is switched to Chain Network; If Chain Network has possessed the condition of annular networking, notice link switchover unit carries out link switchover, and Chain Network is switched to ring network;
Link switchover is responsible in the link switchover unit, and system both can carry out the switching of ring network and Chain Network automatically, and the user also can carry out the switching of Chain Network and ring network mode according to actual needs.
Above-mentioned logging modle 24 comprises the 3rd data transmit-receive unit 241, record cell 242 and data processing unit 243;
The 3rd data transmit-receive unit operates in the base station network management system, monitor the situation of change of Link State monitoring module in real time, if Link State changes, will receive the message that the first data transmit-receive unit is sent, and state change information is noted in the Notification Record unit;
Record cell is responsible for record chain line state change information;
Data processing unit is responsible for the metadata cache in the information recording unit, when the user needs, recorded information output is checked for the user.
In sum, the condition monitoring unit 222 in above-mentioned link management module 21 and the Link State monitoring module 22 is arranged in the base station, and other modules among Fig. 2 are arranged in base station management system; Need to prove, the module among Fig. 2 and the division of unit only are a kind of examples, can carry out module, unit integrated or fractionation, for example the threshold setting unit in the Link State monitoring module, state prewarning unit, the first data transmit-receive unit and control module can be integrated in the module, this moment, integrated module was finished the function of the handover module of mentioning among the base station management system embodiment, and the logging modle among Fig. 2 is finished the function of the recorded and stored module of mentioning among the base station management system embodiment.
The embodiment of the invention provides a kind of information uploading method, and this method comprises:
Step 101, base station receive the link acquisition that base station management system sends, and obtain the link operation information of this base station according to described link acquisition;
Wherein, described base station receives before the link acquisition of base station management system transmission, and described method also comprises:
Described base station receives the ring network networking commands that base station management system sends, and forms ring network according to described ring network networking commands.
Step 102, described base station report the link operation information of described base station to described base station management system.
The embodiment of the invention also provides a kind of guard method of base station link, and this method comprises:
Step 201, base station network management system receive the base station link operation information in one or more ring networks;
Step 202, described base station network management system when the base station link after definite described base station link changes and changes reaches switching condition, switch to Chain Network with described ring network according to the described base station link operation information and the default threshold value that receive; Described switching condition comprises default threshold value.
Particularly, described base station network management system is according to base station link operation information that receives and default threshold value, if certain node has disconnected in the link, perhaps link fluctuation of service, when reaching predetermined threshold value, carry out link switchover, annular link has become two chain links, link signal transmits to both direction, thereby the assurance business can normally be moved.
As shown in Figure 3, the flow chart of the guard method embodiment of wireless base station of the present invention link in the present embodiment, abbreviates base station network management system as system, and this method comprises:
Broadcast packet is sent out to network element device (being the base station) by step 304, system, and network element device just reports up loop network link information, and for example link break-make situation, loop network link side signal transmission are to the time delay value between, the link nodes, delay variation etc.;
For example ring network being broken down disconnects as the protection thresholding, and when annular link broke down disconnection, the link automatic or manual became Chain Network, guaranteed professional normal operation; The user also can be time delay value, delay variation as the protection thresholding, and when time delay value surpassed threshold value, the user can transfer ring network to the Chain Network mode automatically or manually; When link had possessed the condition of ring network, link can become ring network by automatic or manual again;
If step 310 link satisfies the link switchover condition, then carry out link switchover;
Under the link normal operation, be ring network, in case occur that link disconnects or time delay value when too big, will become Chain Network, guarantee professional normal operation;
Whether step 311, judgement switch successful, if handover success continues step 312 so; If failure turns to step 310, switching continues to have three tries;
After step 312, link switch, the running status of link changes, and at this moment broadcast packet is sent out to network element device by system, and network element just reports up the link running state information, the time delay value between loop network link direction, the link nodes for example, delay variation etc.; The execution in step that promptly circulates 306 is to step 312;
If there are a plurality of ring networks in the base station, all can adopt said method to carry out link protection simultaneously.
Above-mentioned base station link changing method is supported parallel multi-protocols link detecting mode, has improved the efficient of link detecting; Can protect the loop network link of multi-protocols, break the limitation that in the past can only support the protecting ring network link that certain is specific; Support extendible protecting ring network link strategy, the user can be provided with looped network protection strategy and thresholding according to actual conditions, has satisfied the protecting ring network link needs of different scenes, has improved the efficient of looped network protection greatly.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, said procedure can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. the guard method of a base station link, this method comprises:
Base station network management system receives the base station link operation information in one or more ring networks;
Described base station network management system when the base station link after definite described base station link changes and changes reaches switching condition, switches to Chain Network with described ring network according to described base station link operation information that receives and default threshold value; Described switching condition comprises default threshold value.
2. method according to claim 1 is characterized in that:
The Linktype of described a plurality of ring networks is identical or different.
3. method according to claim 1 is characterized in that:
Described default threshold value comprises one or more in the following threshold value:
Time delay value between base station in the described base station link and disconnection threshold value, base station and the base station between the base station and the delay variation threshold value between base station and the base station.
4. method according to claim 1 is characterized in that:
Described base station network management system receives before the base station link operation information in one or more ring networks, and described method also comprises:
Described base station network management system sends the ring network networking commands to the base station, so that ring network is formed according to described ring network networking commands in described base station.
5. method according to claim 1 is characterized in that:
Described base station network management system is after definite described base station link changes, and described method also comprises:
Described base station network management system record is also preserved the base station link information that changes.
6. method according to claim 4 is characterized in that:
Described base station network management system is after the base station sends the ring network networking commands, and described method also comprises:
Described base station network management system sends the link acquisition to the base station, so that described base station obtains the base station link operation information according to described link acquisition, and reports the described base station link operation information that self obtains to described base station management system.
7. according to the described method of the arbitrary claim of claim 1-6, it is characterized in that:
Described base station network management system switches to described ring network after the Chain Network, and described method also comprises:
When the base station link of described base station network management system after determining described variation satisfies annular networking, described Chain Network is switched to described ring network.
8. base station network management system, this system comprises:
Receiver module is used for receiving the base station link operation information of one or more ring networks;
Handover module is used for when the base station link after definite described base station link changes and changes reaches switching condition, described ring network being switched to Chain Network according to described base station link operation information that receives and default threshold value; Described switching condition comprises default threshold value.
9. system according to claim 8 is characterized in that:
The Linktype of described a plurality of ring networks is identical or different.
10. system according to claim 8 is characterized in that:
Described default threshold value comprises one or more in the following threshold value:
Time delay value between base station in the described base station link and disconnection threshold value, base station and the base station between the base station and the delay variation threshold value between base station and the base station.
11., it is characterized in that described system also comprises according to claim 9 or 10 described systems:
The recorded and stored module is used for after described handover module determines that described base station link changes, and record is also preserved the base station link information that changes.
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CN201110242634.4A CN102300237B (en) | 2011-08-23 | 2011-08-23 | Basic station link protecting method and basic station network management system |
PCT/CN2012/078266 WO2013026330A1 (en) | 2011-08-23 | 2012-07-06 | Method and system for protecting base station link |
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CN109818863A (en) * | 2017-11-22 | 2019-05-28 | 华为技术有限公司 | Link priority setting method and device |
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