CN101909316B - Operation maintenance method and system - Google Patents

Operation maintenance method and system Download PDF

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Publication number
CN101909316B
CN101909316B CN201010256258.XA CN201010256258A CN101909316B CN 101909316 B CN101909316 B CN 101909316B CN 201010256258 A CN201010256258 A CN 201010256258A CN 101909316 B CN101909316 B CN 101909316B
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channel
bsc
rnc
base station
maintenance
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CN201010256258.XA
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CN101909316A (en
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秦宇伟
项牧
周小会
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Shenzhen Fu Hai Sunshine Technology Co., Ltd.
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ZTE Corp
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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

Operation and maintenance method and system
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, base station (also claims category-B node, NodeB) maintainability seems and becomes more and more important, in actual applications, some is built in the base station of remote districts, if interrupted because of the remote maintenance of base station, station on operation maintenance personnel needs is caused to be safeguarded, often need the range of driving of several hours, sometimes even need several days distances, O&M cost is very high.
Second, in 3G (Third Generation) Moblie, generally radio network controller/base station controller (Radio Network Controller/Base Station Controller is passed through to the remote maintenance of base station, referred to as RNC/BSC) realize, between RNC/BSC and base station, establish an OM channel (Operation Management Center for Base station subsystem in advance, referred to as OMCB), RNC/BSC issues Operation and Maintenance signaling by this OM channel to base station, base station also reports maintenance information by this OM channel to RNC/BSC.
The robustness of the remote maintaining base station scheme in correlation technique is poor, may cause frequent upper station, thus add 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 solve the problem.
One aspect of the present invention provides a kind of operation and maintenance method, comprising: RNC/BSC detects that the OM channel of the current use between self and base station is unavailable; RNC/BSC, from many OM channels be based upon between self and base station, selects the OM channel that available; RNC/BSC carries out Operation and Maintenance by the OM channel selected to base station.
Further, RNC/BSC is carried out Operation and Maintenance to base station comprised by the OM channel selected: RNC/BSC issues Operation and Maintenance message by the OM channel of selection to base station; Base station reports Operation and Maintenance information by the OM channel receiving Operation and Maintenance message to RNC/BSC.
Further, RNC/BSC detects that the OM channel of the current use between self and base station is unavailable and comprises: RNC/BSC detects that the packet loss carrying the message of Operation and Maintenance information received from base station exceedes threshold value.
Further, before RNC/BSC detects that the OM channel of the current use between self and base station is unavailable, also comprise: RNC/BSC, from many OM channels, selects the OM channel that available, as the OM channel of current use.
Further, RNC/BSC is from many OM channels, an available OM channel is selected to comprise: RNC/BSC is from many OM channels, an available OM channel is selected according to the predetermined attribute of each OM channel, wherein, predetermined attribute comprises: channel status and channel priorities.
Further, RNC/BSC, from many OM channels, selects an available OM channel to comprise according to the predetermined attribute of each OM channel: RNC/BSC determines the available action maintenance channel in many OM channels according to the channel status of each OM channel; The OM channel that in RNC/BSC selection available action maintenance channel, channel priorities is the highest is as the OM channel selected.
Further, the every bar 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, sets up module, for setting up many OM channels between RNC/BSC and base station; RNC/BSC, comprising: detection module, unavailable for the OM channel of the current use between RNC/BSC and base station being detected; Select module, for from many OM channels, select the OM channel that available; Operating maintenance module, for carrying out Operation and Maintenance by the OM channel of selection model choice to base station.
Further, the OM channel that operating maintenance module is used for by selecting issues Operation and Maintenance message to base station; Base station is used for reporting Operation and Maintenance information by the OM channel receiving 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 channel priorities.
Pass through the present invention, adopt RNC/BSC when current OM channel is disabled, the passage that one available is selected from many OM channels be based upon between RNC and base station, the passage of follow-up this selection of employing carries out Operation and Maintenance, the robustness solving remote maintaining base station scheme is poor, the problem that O&M cost is higher, can improve maintainability, the robust nature of mobile communication equipment by the present invention, and then reduces O&M cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the operation and maintenance method according to the embodiment of the present invention;
Fig. 2 is the structured flowchart of the Operation & Maintenance System according to the embodiment of the present invention;
Fig. 3 is the preferred structure block diagram of the Operation & Maintenance System according to the embodiment of the present invention;
Fig. 4 is the Operation and Maintenance channel transmission Organization Chart according to the embodiment of the present invention one;
Fig. 5 is Operation and Maintenance server according to the embodiment of the present invention two and RNC/BSC transmission frame composition;
Fig. 6 is the transmission frame composition of RNC/BSC according to the embodiment of the present invention two and base station.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
In the process implementing the base station remote Operation and Maintenance in correlation technique, find owing to only having one for the passage transmitting Operation and Maintenance relevant information between RNC/BSC and base station, therefore, if this passage breaks down, then long-range Operation and Maintenance just can interrupt, the robustness of system is poor, causes the O&M cost of system higher.For this reason, this embodiment offers a kind of operation and maintenance method, Fig. 1 is the flow chart of the operation and maintenance method according to the embodiment of the present invention, and the method comprises:
Step S102, RNC/BSC detect that the OM channel of the current use between self and this base station is unavailable;
Step S104, RNC/BSC, from many OM channels be based upon between self and base station, select the OM channel that available;
Step S106, RNC/BSC carry out Operation and Maintenance by the OM channel selected to this base station.
Pass through said method, if the OM channel of current use break down cause unavailable, the passage that then RNC/BSC can automatically switch in many OM channels of foundation one available gets on, and improves GSM/UMTS outfield O&M ability, reduces O&M cost.
Wherein, RNC/BSC selects the mode of an available OM channel can have a lot from many OM channels, such as, RNC/BSC can according to the predetermined attribute of each OM channel, the OM channel that one available is selected from many OM channels, wherein, this predetermined attribute includes but not limited to: channel status and channel priorities.By above process, automatically can select the destination channel switched, thus further increase the robustness of system.
Preferably, according to the predetermined attribute of each OM channel, from many OM channels, the process of the OM channel that selection one is available can be: RNC/BSC determines the available action maintenance channel in many OM channels according to the channel status of each OM channel; The OM channel that in RNC/BSC selection available action maintenance channel, channel priorities is the highest is as the OM channel selected.
It should be noted that, the network congestion parameter etc. that the predetermined attribute of above institute foundation can also comprise passage can characterize the parameter of the transmission quality of passage.When selector channel, can the best passage of the transmission quality of prioritizing selection passage.
Consider RNC/BSC in its Operation and Maintenance process to base station segment the control that rises and leading role, the switching of this OM channel is carried out primarily of RNC/BSC, that is, the object OM channel of switching is determined by RNC/BSC, and base station then accepts the selection of RNC/BSC.For this reason, in this embodiment, RNC/BSC is carried out Operation and Maintenance to base station comprised by the OM channel selected: RNC/BSC issues Operation and Maintenance message by the OM channel of selection to base station; Base station reports Operation and Maintenance information by the OM channel receiving Operation and Maintenance message to RNC/BSC.By this processing procedure, the consistency of select target can be ensured in handoff procedure, prevent transmitting procedure chaotic.
Consider that RNC/BSC has normally issued Operation and Maintenance message (comprise and do not need to get final product normal transmission and normal transmission two kinds of situations after switching through switching), but the situation that base station adopts current OM channel message transmission to break down, in order to the OM channel (being also the OM channel of the current use of RNC/BSC) making RNC/BSC use current base station switches, therefore, RNC/BSC is set and detects that the packet loss carrying the message of Operation and Maintenance information received from base station exceedes threshold value as the disabled Rule of judgment of OM channel, thus ensure that base station normally can report message to RNC/BSC.
The passage that base station uses before the handover can be the available channel chosen from many OM channels, like this, before RNC/BSC detects that the OM channel of the current use between self and base station is unavailable, also may comprise RNC/BSC from many OM channels, select the OM channel that available, as the step of the OM channel of current use.By this process, RNC/BSC can select the good passage of transmission quality as current transmission channel, and then improves efficiency of transmission.
Similar with the process of selector channel when switching, the selection mode of the OM channel used before the handover also has a lot, the method for selector channel during above switching also can be adopted to select, do 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 when setting up alternate channel and being less, improve the robustness of system as much as possible, every bar OM channel in many above OM channels can 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 passage portion in many passages adopts identical link layer protocol.
In a word, in the above methods, between RNC/BSC and base station, many OM channels are deployed with, by the OM channel of RNC/BSC according to the current use of status transmission Dynamic Selection; NodeB side, then take " passive selection " mode, that is, NodeB receives data on which bar OM channel, then using this passage as current use OM channel.Pass through the method, can realize in Radio Access Network, according to parameter switching at runtime between several OM channels such as path status, path priority, network congestions, thus realize the backup functionality of OM channel, and then improve the robust nature of whole Radio Access Network, because this reducing the O&M cost because upper station causes.
The present embodiment additionally provides a kind of Operation & Maintenance System, and Fig. 2 is the structured flowchart of the Operation & Maintenance System according to the embodiment of the present 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, for setting up many OM channels between RNC/BSC26 and base station 22;
RNC/BSC 26, comprising: detection module 27, is coupled to base station 24, unavailable for the OM channel of the current use between RNC/BSC 26 and base station 24 being detected; Select module 28, be coupled to detection module 27 and set up module 22, for from many OM channels, selecting the OM channel that available; Operating maintenance module 29, is coupled to and selects module 28 and base station 24, carries out Operation and Maintenance for the OM channel by selecting module 28 to select to base station 24.
Wherein, set up module 22 and can be arranged in RNC/BSC 26.
Preferably, the OM channel that operating maintenance module 29 may be used for by selecting issues Operation and Maintenance message to base station 24; Base station 24 reports Operation and Maintenance information for the OM channel by receiving Operation and Maintenance message to operating maintenance module 29.
Preferably, select module 28 to may 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 channel priorities.
Fig. 3 is the preferred structure block diagram of the Operation & Maintenance System according to the embodiment of the present invention, as shown in Figure 3, selects module 28 to comprise:
Determination module 32, for determining the available action maintenance channel in many OM channels according to the channel status of each OM channel;
Prioritizing selection module 34, for selecting OM channel that in available action maintenance channel, channel priorities is the highest as the OM channel selected.
Generally speaking, based on the link layer protocol that Radio Access Network OM channel uses, OM channel can be divided into:
(1) based on ATM transmission, hereinafter referred to as transmitting OM channel based on ATM be: IPOA (ATM).
(2) based on FE transmission, hereinafter referred to as the OM channel transmitted based on FE be: IP (FE).
(3) based on PPP transmission, hereinafter referred to as the OM channel transmitted based on PPP be: IP (PPP).
Following embodiment 1 and 2, combines the technical scheme of above-mentioned multiple preferred embodiment.
Embodiment one
In GSM/WCDMA wireless access network, radio network controller (RNC)/be deployed with many OM channels between BSC and base station NodeB, when the abnormal state of a certain bar OM channel, system automatically switch to an other bar state can OM channel.The present embodiment is for two OM channels---IPOA (ATM)+IP (FE), 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 principle identical.
The present embodiment based on transmission network framework as shown in Figure 4, deployment configuration two OM channels between RNC/BSC and NodeB, one based on ATM transmission, be called IPOA passage; Another, based on FE transmission, is called IP tunnel; Between Operation and Maintenance server and RNC/BSC, based on FE transmission, connected by router or switch.This operation and maintenance method comprises the following steps:
Step 1, when Operation and Maintenance server downward message is to NodeB, RNC selects an available passage according to the state of two OM channels, priority, and downward message is to NodeB;
Step 2, NodeB is according to the passage receiving Operation and Maintenance message recently, the OM channel that " passive " selects self to use, that is: NodeB receives Operation and Maintenance message on which bar OM channel, by the OM channel of this passage as current use;
Step 3, the OM channel of the current use of supposing the system is IPOA (ATM), due to reasons such as intermediate conveyor equipment faults, IPOA (ATM) passage is unavailable, now, if IP (FE) passage can be used, the OM channel of current use is switched to IP (FE) passage by system.
Embodiment two
This embodiment describe in detail the transmission realizing method between Operation and Maintenance server and RNC/BSC respectively, and the transmission realizing method between RNC/BSC and NodeB.
Fig. 5 shows the transmission architecture between Operation and Maintenance server and RNC/BSC, and as shown in Figure 5, Operation and Maintenance server is connected by router/switch with between RNC/BSC, and the transmission between Operation and Maintenance server and RNC/BSC comprises:
Down direction: when Operation and Maintenance server sends downlink message to RNC/BSC to NodeB, RNC/BSC searches self routing table, according to parameters such as route entry state, priority, selects available route to send to NodeB;
Up direction, when NodeB sends uplink message to Operation and Maintenance server, RNC/BSC receives this message, checks that object IP is when being Operation and Maintenance server ip, directly by IP message repeating to Operation and Maintenance server;
For OMCB server, and be indifferent between RNC/BSC and NodeB to walk which bar OM channel, Operation and Maintenance IP message is by RNC/BSC transparent transmission.
Fig. 6 shows the transmission architecture of RNC/BSC and base station, and based on Fig. 6, the transmission describing RNC/BSC and NodeB realizes, and comprising:
Down direction: RNC/BSC receives the IP message that Operation and Maintenance server issues, search self routing table, according to parameters such as object IP, routing state, routing priority, select coupling route entry, (may be the IPOA passage based on ATM by this route, also may be the IP tunnel based on FE transmission), IP message is handed down to NodeB;
When up direction: NodeB needs upload operation maintenance packet to Operation and Maintenance server, select the passage receiving Operation and Maintenance message recently as transmit path;
When RNC/BSC finds the OM channel fault of current use, as IPOA passage, E1 dropout, automatically switch on available another passage (FE), NodeB also realizes passage bridge according to the transmission method of up direction.
In sum, the Operation and Maintenance scheme adopting the embodiment of the present invention to provide, effectively can improve GSM/UMTS outfield maintainability, reduce the O&M cost because upper station causes, and then improve the robust nature of whole Radio Access Network.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. an operation and maintenance method, is characterized in that, comprising:
Radio network controller/base station controller RNC/BSC detects that the OM channel of the current use between self and base station is unavailable;
Described RNC/BSC, from many OM channels be based upon between self and described base station, selects the OM channel that available;
Described RNC/BSC carries out Operation and Maintenance by the OM channel of described selection to described base station, wherein, described RNC/BSC carries out Operation and Maintenance by the OM channel of described selection to described base station and comprises: described RNC/BSC issues 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 receiving described Operation and Maintenance message to described RNC/BSC.
2. method according to claim 1, is characterized in that, RNC/BSC detects that the OM channel of the current use between self and described base station is unavailable and comprises:
Described RNC/BSC detects that the packet loss carrying the message of Operation and Maintenance information received from described base station exceedes threshold value.
3. method according to claim 1, is characterized in that, before RNC/BSC detects that the OM channel of the current use between self and base station is unavailable, also comprises:
Described RNC/BSC, from described many OM channels, selects the OM channel that available, as the OM channel of described current use.
4. the method according to claim 1 or 3, is characterized in that, described RNC/BSC, from described many OM channels, selects an available OM channel to comprise:
Described RNC/BSC is from described many OM channels, and select an available OM channel according to the predetermined attribute of each OM channel, wherein, described predetermined attribute comprises: channel status and channel priorities.
5. method according to claim 4, is characterized in that, described RNC/BSC, from described many OM channels, selects an available OM channel to comprise according to the predetermined attribute of each OM channel:
Described RNC/BSC determines the available action maintenance channel in described many OM channels according to the channel status of each OM channel;
Described RNC/BSC selects OM channel that in described available action maintenance channel, channel priorities is the highest as the OM channel of described selection.
6. method according to claim 1, is characterized in that, the every bar OM channel in described many OM channels is all based on different link layer protocols.
7. an Operation & Maintenance System, is characterized in that, comprising: set up module, base station and RNC/BSC, wherein,
Describedly set up module, for setting up many OM channels between described RNC/BSC and described base station;
Described RNC/BSC, comprising:
Detection module, unavailable for the OM channel of the current use between described RNC/BSC and described base station being detected;
Select module, for from described many OM channels, select the OM channel that available;
Operating maintenance module, for carrying out Operation and Maintenance by the OM channel of described selection model choice to described base station, wherein, described operating maintenance module is used for issuing Operation and Maintenance message by the OM channel of described selection model choice to described base station;
Described base station is used for reporting Operation and Maintenance information by the OM channel receiving described Operation and Maintenance message to described operating maintenance module.
8. system according to claim 7, it is characterized in that, described selection module is used for from described many OM channels, selects an available OM channel according to the predetermined attribute of each OM channel, wherein, described predetermined attribute comprises: channel status and channel priorities.
CN201010256258.XA 2010-08-17 2010-08-17 Operation maintenance method and system Expired - Fee Related CN101909316B (en)

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