CN101909316A - Operation maintenance method and system - Google Patents
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- CN101909316A CN101909316A CN201010256258XA CN201010256258A CN101909316A CN 101909316 A CN101909316 A CN 101909316A CN 201010256258X A CN201010256258X A CN 201010256258XA CN 201010256258 A CN201010256258 A CN 201010256258A CN 101909316 A CN101909316 A CN 101909316A
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Abstract
The invention discloses operation maintenance method and system. The operation maintenance method comprises the following steps: an RNC/BSC (Radio Network Controller/Base Station Controller) detects that an operation maintenance channel currently used between the RNC/BSC and a base station is unavailable; the RNC/BSC selects one available operation maintenance channel from a plurality of operation maintenance channels established between the RNC/BSC and the base station; and the RNC/BSC carries out operation maintenance on the base station through the selected operation maintenance channel. The invention can enhance the maintainability and the sturdiness of mobile communication equipment, thereby reducing the operation and maintenance cost.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of operation and maintenance method and system.
Background technology
Along with developing rapidly of mobile communication technology, the base station (also claims the category-B node, NodeB) maintainability seems and becomes more and more important, in actual applications, build the base station of remote districts in, if interrupt because of the remote maintenance of base station for some, cause station maintenance on the O﹠M personnel needs, the range of driving that often needs several hrs, sometimes even need several days distances, O﹠M cost is very high.
Second, in the 3G (Third Generation) Moblie, remote maintenance to the base station generally passes through radio network controller/base station controller (Radio Network Controller/Base Station Controller, abbreviate RNC/BSC as) realize, between RNC/BSC and base station, set up an OM channel (Operation Management Center for Base station subsystem in advance, abbreviate OMCB as), RNC/BSC issues the Operation and Maintenance signaling by this OM channel to the base station, and the base station also reports maintenance information by this OM channel to RNC/BSC.
The robustness of the remote maintaining base station scheme in the correlation technique is relatively poor, may cause frequent last station, thereby increase O﹠M cost.
Summary of the invention
Main purpose of the present invention is to provide a kind of operation and maintenance method and system, to address the above problem.
One aspect of the present invention provides a kind of operation and maintenance method, comprising: it is unavailable that RNC/BSC detects the OM channel of the current use between self and the base station; RNC/BSC selects an available OM channel from be based upon many OM channels between self and the base station; RNC/BSC carries out Operation and Maintenance by the OM channel of selecting to the base station.
Further, RNC/BSC carries out Operation and Maintenance by the OM channel of selecting to the base station and comprises: RNC/BSC issues the Operation and Maintenance message by the OM channel of selecting to the base station; The base station reports Operation and Maintenance information by the OM channel that receives the Operation and Maintenance message to RNC/BSC.
Further, RNC/BSC detects the packet loss that unavailable the comprising of OM channel of the current use between self and the base station: RNC/BSC detects the message that carries Operation and Maintenance information that receives from the base station and surpasses threshold value.
Further, RNC/BSC detect the OM channel of the current use between self and the base station unavailable before, also comprise: RNC/BSC selects an available OM channel, as the OM channel of current use from many OM channels.
Further, RNC/BSC is from many OM channels, select an available OM channel to comprise: RNC/BSC is from many OM channels, predetermined attribute according to each OM channel is selected an available OM channel, wherein, predetermined attribute comprises: channel status and passage priority.
Further, RNC/BSC selects an available OM channel to comprise according to the predetermined attribute of each OM channel from many OM channels: RNC/BSC determines available action maintenance channel in many OM channels according to the channel status of each OM channel; The OM channel that passage priority is the highest in the RNC/BSC selection available action maintenance channel is as the OM channel of selecting.
Further, every OM channel in many OM channels is all based on different link layer protocols.
Another aspect of the present invention provides a kind of Operation ﹠ Maintenance System, comprising: set up module, base station and RNC/BSC, wherein, set up module, be used for setting up many OM channels between RNC/BSC and base station; RNC/BSC comprises: detection module, and the OM channel that is used to detect the current use between RNC/BSC and the base station is unavailable; Select module, be used for, select an available OM channel from many OM channels; Operating maintenance module is used for by the OM channel of selecting module to select Operation and Maintenance being carried out in the base station.
Further, operating maintenance module is used for issuing the Operation and Maintenance message by the OM channel of selecting to the base station; The base station is used for reporting Operation and Maintenance information by the OM channel that receives the Operation and Maintenance message to operating maintenance module.
Further, select module to be used for from many OM channels, select an available OM channel according to the predetermined attribute of each OM channel, wherein, predetermined attribute comprises: channel status and passage priority.
By the present invention, adopt RNC/BSC when current OM channel is disabled, from be based upon many OM channels between RNC and the base station, select an available passage, the passage of this selection of following adopted carries out Operation and Maintenance, the robustness that has solved the remote maintaining base station scheme is relatively poor, the O﹠M cost problem of higher can improve maintainability, the robust nature of mobile communication equipment by the present invention, and then reduces O﹠M cost.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the operation and maintenance method of the embodiment of the invention;
Fig. 2 is the structured flowchart according to the Operation ﹠ Maintenance System of the embodiment of the invention;
Fig. 3 is the preferred structure block diagram according to the Operation ﹠ Maintenance System of the embodiment of the invention;
Fig. 4 is the Operation and Maintenance multichannel transmission frame composition according to the embodiment of the invention one;
Fig. 5 is according to the Operation and Maintenance server of the embodiment of the invention two and RNC/BSC transmission frame composition;
Fig. 6 is the transmission frame composition according to the RNC/BSC of the embodiment of the invention two and base station.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
In the process of the base station remote operation maintaining in implementing correlation technique, finding only has one owing to be used to transmit the passage of Operation and Maintenance relevant information between RNC/BSC and the base station, therefore, if this passage breaks down, then long-range Operation and Maintenance just can interrupt, the robustness of system is relatively poor, causes the O﹠M cost of system higher.For this reason, this embodiment provides a kind of operation and maintenance method, and Fig. 1 is the flow chart according to the operation and maintenance method of the embodiment of the invention, and this method comprises:
It is unavailable that step S102, RNC/BSC detect the OM channel of the current use between self and this base station;
Step S104, RNC/BSC selects an available OM channel from be based upon many OM channels between self and the base station;
Step S106, RNC/BSC carries out Operation and Maintenance by the OM channel of selecting to this base station.
Pass through said method, if the OM channel of current use break down cause unavailable, then the RNC/BSC available passage that can automatically switch in many OM channels of foundation gets on, and has improved GSM/UMTS outfield O﹠M ability, reduces O﹠M cost.
Wherein, RNC/BSC selects the mode of an available OM channel can have much from many OM channels, for example, RNC/BSC can be according to the predetermined attribute of each OM channel, from many OM channels, select an available OM channel, wherein, this predetermined attribute includes but not limited to: channel status and passage priority.By above process, can select the destination channel that switches automatically, thereby further improve the robustness of system.
Preferably, according to the predetermined attribute of each OM channel, from many OM channels, select the process of an available OM channel to determine available action maintenance channel in many OM channels according to the channel status of each OM channel for: RNC/BSC; The OM channel that passage priority is the highest in the RNC/BSC selection available action maintenance channel is as the OM channel of selecting.
Need to prove that the predetermined attribute of above institute foundation can also comprise that network congestion parameter of passage etc. can characterize the parameter of the transmission quality of passage.When the selector channel, the preferential best passage of the transmission quality of selector channel.
Consider that RNC/BSC is in its control and leading role that is risen in the Operation and Maintenance process of base station segment, the switching of this OM channel is mainly undertaken by RNC/BSC, that is to say that the purpose OM channel of switching is determined that by RNC/BSC the selection of RNC/BSC is then accepted in the base station.For this reason, RNC/BSC carries out Operation and Maintenance by the OM channel of selecting to the base station and comprises among this embodiment: RNC/BSC issues the Operation and Maintenance message by the OM channel of selecting to the base station; The base station reports Operation and Maintenance information by the OM channel that receives the Operation and Maintenance message to RNC/BSC.By this processing procedure, can in handoff procedure, guarantee the consistency of select target, prevent the transmission course confusion.
Consider that RNC/BSC has normally issued Operation and Maintenance message (comprising the two kinds of situations of normal transmission after switching gets final product normal transmission and switches that do not need), but the situation that the base station adopts current OM channel message transmission to break down, for the OM channel (also being the OM channel of the current use of RNC/BSC) that makes RNC/BSC use current base station switches, therefore, the packet loss that RNC/BSC detects the message that carries Operation and Maintenance information that receives from the base station is set surpasses threshold value, thereby guaranteed that the base station can normally report message to RNC/BSC as the disabled Rule of judgment of OM channel.
The passage that use before switching the base station can be the available channel that chooses from many OM channels, like this, RNC/BSC detect the OM channel of the current use between self and the base station unavailable before, may comprise that also RNC/BSC is from many OM channels, select an available OM channel, as the step of the OM channel of current use.By this process, RNC/BSC can select transmission quality preferably passage and then improve efficiency of transmission as current transmission channel.
The process of selector channel is similar during with switching, and the selection mode of the OM channel that uses before switching also has a lot, and the method for selector channel is selected in the time of also can adopting above the switching, does not repeat them here.
Preferably, consider that the probability that the passage based on different link layer protocols breaks down simultaneously is less, therefore, in order to set up under the less situation of alternate channel, improve the robustness of system as much as possible, every OM channel in many above OM channels can be all based on different link layer protocols, to improve the effective probability of alternate channel.Certainly, many above-mentioned passages also can adopt identical link layer protocol, or the part passage in many passages adopts identical link layer protocol.
In a word, in above method, between RNC/BSC and base station, be deployed with many OM channels, by the OM channel of RNC/BSC according to the current use of status transmission Dynamic Selection; The NodeB side is then taked " passive selection " mode, that is, NodeB receives data on which bar OM channel, then with this passage as current use OM channel.By this method, can realize in the Radio Access Network, dynamically switch between several OM channels according to parameters such as path status, path priority, network congestions, thereby realize the backup functionality of OM channel, and then improve the robust nature of whole Radio Access Network, therefore reduced because the O﹠M cost that last station causes.
Present embodiment also provides a kind of Operation ﹠ Maintenance System, and Fig. 2 is the structured flowchart according to the Operation ﹠ Maintenance System of the embodiment of the invention, and as shown in Figure 2, this system comprises: set up module 22, base station 24 and RNC/BSC 26, wherein,
Set up module 22, be coupled to base station 24 and RNC/BSC 26, be used between RNC/BSC26 and base station 22, setting up many OM channels;
RNC/BSC 26, comprising: detection module 27, be coupled to base station 24, and the OM channel that is used to detect the current use between RNC/BSC 26 and the base station 24 is unavailable; Select module 28, be coupled to detection module 27 and set up module 22, be used for, select an available OM channel from many OM channels; Operating maintenance module 29 is coupled to and selects module 28 and base station 24, is used for by the OM channel of selecting module 28 to select Operation and Maintenance being carried out in base station 24.
Wherein, set up module 22 and can be arranged in RNC/BSC 26.
Preferably, operating maintenance module 29 can be used for issuing the Operation and Maintenance message by the OM channel of selecting to base station 24; Base station 24 is used for reporting Operation and Maintenance information by the OM channel that receives the Operation and Maintenance message to operating maintenance module 29.
Preferably, select module 28 can be used for from many OM channels, select an available OM channel according to the predetermined attribute of each OM channel, wherein, predetermined attribute comprises: channel status and passage priority.
Fig. 3 is the preferred structure block diagram according to the Operation ﹠ Maintenance System of the embodiment of the invention, as shown in Figure 3, selects module 28 to comprise:
Determination module 32 is used for determining according to the channel status of each OM channel the available action maintenance channel of many OM channels;
The preferential module 34 of selecting is used for selecting the highest OM channel of available action maintenance channel passage priority as the OM channel of selecting.
Generally speaking, based on the employed link layer protocol of Radio Access Network OM channel, OM channel can be divided into:
(1) based on the ATM transmission, hereinafter to be referred as being: IPOA (ATM) based on ATM transmission OM channel.
(2), hereinafter to be referred as OM channel be: IP (FE) based on the FE transmission based on the FE transmission.
(3), hereinafter to be referred as OM channel be: IP (PPP) based on the PPP transmission based on the PPP transmission.
Following embodiment 1 and 2 combines the technical scheme of above-mentioned a plurality of preferred embodiments.
Embodiment one
In the GSM/WCDMA wireless access network, be deployed with many OM channels between radio network controller (RNC)/BSC and base station node B, when the abnormal state of a certain OM channel, system automatically switches to the OM channel that an other bar state can be used.Present embodiment is with two OM channels---and IPOA (ATM)+IP (FE) is an example, the implementation procedure of aforesaid operations maintaining method is described, other application scenarioss, as IP (PPP)+IP (FE)+IPOA (ATM), IP (FE)+IP (FE), IPOA (ATM)+IPOA (ATM) etc., realize that principle is identical.
Present embodiment based on the transmission network framework as shown in Figure 4, two OM channels of deployment configuration between RNC/BSC and NodeB, one based on ATM transmission, is called the IPOA passage; Another is called IP tunnel based on the FE transmission; Between Operation and Maintenance server and RNC/BSC,, connect by router or switch based on the FE transmission.This operation and maintenance method may further comprise the steps:
Step 1, when Operation and Maintenance server downward message was given NodeB, RNC selected an available passage according to state, the priority of two OM channels, and downward message is given NodeB;
Step 2, NodeB is according to the passage that receives the Operation and Maintenance message recently, " passive " selects the OM channel that self uses, that is: NodeB receives the Operation and Maintenance message on which bar OM channel, is about to the OM channel of this passage as current use;
Step 3, the current OM channel that uses of supposing the system is as IPOA (ATM), owing to reasons such as intermediate conveyor equipment faults, IPOA (ATM) passage is unavailable, at this moment, if IP (FE) passage can be used, system switches to IP (FE) passage with the OM channel of current use.
Embodiment two
This embodiment has described the transmission implementation method between Operation and Maintenance server and the RNC/BSC respectively in detail, and the transmission implementation method between RNC/BSC and the NodeB.
Fig. 5 shows the transmission architecture between Operation and Maintenance server and RNC/BSC, as shown in Figure 5, is connected by router/switch between Operation and Maintenance server and RNC/BSC, and the transmission between Operation and Maintenance server and the RNC/BSC comprises:
Down direction: when the Operation and Maintenance server sent downlink message to RNC/BSC to NodeB, RNC/BSC searched self routing table, according to parameters such as route entry state, priority, selects available route to send to NodeB;
When up direction, NodeB sent uplink message to the Operation and Maintenance server, RNC/BSC received this message, checked when purpose IP is the Operation and Maintenance server ip, directly the IP message was transmitted to the Operation and Maintenance server;
For the OMCB server, and be indifferent to walk which bar OM channel between RNC/BSC and NodeB, Operation and Maintenance IP message is by the RNC/BSC transparent transmission.
Fig. 6 shows the transmission architecture of RNC/BSC and base station, and based on Fig. 6, the transmission of having described RNC/BSC and NodeB realizes, comprising:
Down direction: RNC/BSC receives the IP message that the Operation and Maintenance server issues, search self routing table, according to parameters such as purpose IP, routing state, route priority, select the coupling route entry, (may be based on the IPOA passage of ATM by this route, also may be based on the IP tunnel of FE transmission), the IP message is handed down to NodeB;
When up direction: NodeB needs the upload operation maintenance packet to give the Operation and Maintenance server, select to receive the passage of Operation and Maintenance message recently as transmit path;
When RNC/BSC found the OM channel fault of current use, as the IPOA passage, the E1 dropout automatically switched on available another passage (FE), and NodeB realizes also that according to the transmission method of up direction passage switches.
In sum, the Operation and Maintenance scheme that adopts the embodiment of the invention to provide can effectively improve GSM/UMTS outfield maintainability, reduces the O﹠M cost that causes owing to last station, and then improves the robust nature of whole Radio Access Network.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an operation and maintenance method is characterized in that, comprising:
It is unavailable that radio network controller/base station controller RNC/BSC detects the OM channel of the current use between self and the base station;
Described RNC/BSC selects an available OM channel from be based upon many OM channels between self and the described base station;
Described RNC/BSC carries out Operation and Maintenance by the OM channel of described selection to described base station.
2. method according to claim 1 is characterized in that, the OM channel of described RNC/BSC by described selection carries out Operation and Maintenance to described base station and comprise:
Described RNC/BSC issues the Operation and Maintenance message by the OM channel of described selection to described base station;
Described base station reports Operation and Maintenance information by the OM channel that receives described Operation and Maintenance message to described RNC/BSC.
3. method according to claim 2 is characterized in that, RNC/BSC detects unavailable the comprising of OM channel of the current use between self and the described base station:
The packet loss that described RNC/BSC detects the message that carries Operation and Maintenance information that receives from described base station surpasses threshold value.
4. method according to claim 1 is characterized in that, RNC/BSC detect the OM channel of the current use between self and the base station unavailable before, also comprise:
Described RNC/BSC selects an available OM channel, as the OM channel of described current use from described many OM channels.
5. according to claim 1 or 4 described methods, it is characterized in that described RNC/BSC selects an available OM channel to comprise from described many OM channels:
Described RNC/BSC selects an available OM channel according to the predetermined attribute of each OM channel from described many OM channels, wherein, described predetermined attribute comprises: channel status and passage priority.
6. method according to claim 5 is characterized in that, described RNC/BSC selects an available OM channel to comprise according to the predetermined attribute of each OM channel from described many OM channels:
Described RNC/BSC determines available action maintenance channel in described many OM channels according to the channel status of each OM channel;
Described RNC/BSC selects passage priority is the highest in the described available action maintenance channel the OM channel OM channel as described selection.
7. method according to claim 1 is characterized in that, every OM channel in described many OM channels is all based on different link layer protocols.
8. an Operation ﹠ Maintenance System is characterized in that, comprising: set up module, base station and RNC/BSC, wherein,
The described module of setting up is used for setting up many OM channels between described RNC/BSC and described base station;
Described RNC/BSC comprises:
Detection module, the OM channel that is used to detect the current use between described RNC/BSC and the described base station is unavailable;
Select module, be used for, select an available OM channel from described many OM channels;
Operating maintenance module is used for by the OM channel that described selection module is selected Operation and Maintenance being carried out in described base station.
9. system according to claim 8 is characterized in that, described operating maintenance module is used for issuing the Operation and Maintenance message by the OM channel of described selection to described base station; Described base station is used for reporting Operation and Maintenance information by the OM channel that receives described Operation and Maintenance message to described operating maintenance module.
10. system according to claim 8, it is characterized in that described selection module is used for from described many OM channels, select an available OM channel according to the predetermined attribute of each OM channel, wherein, described predetermined attribute comprises: channel status and passage priority.
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| CN201010256258.XA CN101909316B (en) | 2010-08-17 | 2010-08-17 | Operation maintenance method and system |
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| CN201010256258.XA CN101909316B (en) | 2010-08-17 | 2010-08-17 | Operation maintenance method and system |
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| Publication number | Publication date |
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| CN101909316B (en) | 2015-05-20 |
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