CN1333559C - Method for building special operational maintaining channel in WCDMA system - Google Patents
Method for building special operational maintaining channel in WCDMA system Download PDFInfo
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- CN1333559C CN1333559C CNB200510055359XA CN200510055359A CN1333559C CN 1333559 C CN1333559 C CN 1333559C CN B200510055359X A CNB200510055359X A CN B200510055359XA CN 200510055359 A CN200510055359 A CN 200510055359A CN 1333559 C CN1333559 C CN 1333559C
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims description 40
- 238000007726 management method Methods 0.000 claims description 23
- 238000013468 resource allocation Methods 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 4
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Abstract
The present invention relates to a method for establishing maintaining channels for NodeB and OMC-R special operation in a complete internet protocol (IP) exchange WCDMA system through an address translation/ protocol translation mode, which utilizes base station interface modules in base stations to carry out address translation/protocol translation; therefore, transparent IP data message transmission channels are established between OAM modules in the base stations and OMC-R, internal modules of all the base stations can use addresses with default configuration, and the addresses in all the base stations can be repeated mutually. Therefore, the present invention prevents OMC-R from reconfiguring IP addresses to all the internal modules of all the base stations in an unified way.
Description
Technical field
The present invention relates to a kind of method of in Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, setting up special operational maintaining channel between base station (Node B) and radio operation maintenance centre (OMC-R), relate in particular in the WCDMA system of all internet protocol (IP) exchange and set up the method for Node B and OMC-R special operational maintaining channel in address translation/protocol translation mode.
Background technology
In the 3G system, the interface between base station (Node B) and the radio network controller (RNC) is called Iub interface.The same with Iub interface, special operational maintaining channel also is on the physical link that is based upon between base station and the radio network controller, provide a logical links between operation management maintain (OAM) module for OMC-R and inside of base station, be used for OMC-R the base station is managed.In the base station in the WCDMA system (Node B), the exchange between OAM module, interface module and other inside of base station modules can be used exchange of MAC layer or IP exchange, and each module of inside of base station all has the IP address of oneself for this reason.In up-to-date 3G (Third Generation) Moblie standard (for example 3GPP Release 5 and 3GPP Release 6), the Iub interface between base station and the RNC also can use the IP exchange, and this situation is commonly referred to the all-IP exchange.In the environment of all-IP exchange, the base-station interface module is operated under the routing mode, transmit service for communicating by letter between each module of inside of base station and the RNC provides route and bag, communicating by letter between the OAM module also provides route and bag forwarding to serve by base station inner joint module in natural OMC-R and the base station.For OMC-R can be communicated with each OAM module in a plurality of base stations, OMC-R just need redistribute the IP address for the OAM module of all base stations of being managed.And owing to also use the IP address owing to use IP to exchange between each module of inside of base station, in case OAM module I P address changes, then the IP address of other modules of inside of base station also needs to change again, and just to need OMC-R be that each module in all base stations is redistributed the IP address in order to set up special operational maintaining channel between OMC-R and the inside of base station OAM module thus.Above-mentioned prior art working method produces following shortcoming: the first, a lot of modules of inside of base station need the IP address, proper communication, and needing OMC-R is the different a large amount of different implicit IP address of base station configuration, has increased the weight of the burden of OMC-R allocation manager address; The second, the IP address of each module of inside of base station need reconfigure, and has increased the work load of inside of base station OAM module; Three, to outer exposed the internal structure of base station, be unfavorable for the safety of base station.
Therefore, need to propose a kind of new method of setting up special operational maintaining channel, so that can solve the allocation manager problem that OMC-R distributes a large amount of IP address effectively, with the design of simplifying base station and radio operation maintenance centre and the fail safe that strengthens the base station.
Summary of the invention
The purpose of this invention is to provide a kind of method of in Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, setting up special operational maintaining channel between base station (Node B) and radio operation maintenance centre (OMC-R), to overcome the problems referred to above of prior art.
The basic principle of the inventive method is that the base-station interface module of inside of base station is not that method according to prior art is operated under the routing mode, but carry out address translation/protocol translation, thereby for setting up a transparent IP datagram literary composition transmission channel between inside of base station OAM module and the OMC-R.
The applied WCDMA of method of the present invention system forms as shown in Figure 1, the network of being made up of base station 1, base station 2, radio network controller (RNC), radio operation maintenance centre (OMC-R) is called external network, and the network of being made of inside of base station interface module, OAM module, other modules of inside of base station is called internal network.The function that each structure composition is finished in external network and the internal network is as follows:
Interface module, its inside can further be divided into address translation module, protocol translation module, bootstrapping client modules according to function.The address translation module is finished the address translation of data message between internal network and external network; The protocol translation module is finished the protocol translation of data message between internal network and external network; The bootstrapping client modules is responsible for sending the bootstrapping request to radio operation maintenance centre (OMC-R).
The OAM module, for raising comprises the execution efficient of address translation module, to some specialized protocol, the base-station interface module is not done translation and is handled, and at this moment needs base station OAM module to cooperate the function that just can finish specialized protocol.
Radio operation maintenance centre (OMC-R), its inside further are divided into resource allocation management module, bootstrapping server end module.The bootstrapping request of bootstrapping server end module responds base station, resource allocation management module are that bootstrapping server end module returns to the base station with relevant resource allocation information after the base station assigns resource.
Radio network controller (RNC) is the bridge that base station and OMC-R link up, and is responsible for configuring on physical link protocol stack.
The core content of the inventive method is that the base-station interface module of inside of base station carrying out wrapping forwarding behind address translation/protocol translation between internal network and the external network, has set up the transparent transmission channel between OAM module and the OMC-R thus.And owing to only using at inside of base station the address of each module of inside of base station, so the internal module of each base station can use the address of default configuration, and can repeat mutually between the address of each inside of base station, so just can avoid all internal module unifications of each base station being reconfigured the IP address by OMC-R.
A kind of method of setting up the IP datagram literary composition transmission channel that is used for Operation and Maintenance in Wideband Code Division Multiple Access (WCDMA) (WCDMA) system between radio operation maintenance centre and the base station of the present invention comprises step:
Step 3 in radio network controller, is replied by the radio network controller route to described base station from the described bootstrapping in radio operation maintenance centre;
Step 4, in the base station, interface module is verified the bootstrapping that receives and is replied interior Base Station Identification and transaction number;
According to said method of the present invention, the IP address by the LMT Local Maintenance Terminal configuration also can be used in the default configuration IP address of the operation management maintain module of inside of base station.
According to said method of the present invention, link layer based on asynchronous transfer mode (ATM) situation under, resource allocation management module in the step 2 in the radio operation maintenance centre also needs to distribute new virtual path identifier/virtual channel identifier (VPI/VCI) for it except being the new IP address of described base station assigns.
According to said method of the present invention, under the situation of using ICMP (ICMP), the protocol translation in the step 6, seven comprise to the ICMP header check and recomputate and fill in.
According to said method of the present invention, under the situation of using transmission control protocol (TCP), the protocol translation in the step 6, seven comprise to the transmission control protocol header check and recomputate and fill in.
According to said method of the present invention, under the situation of using User Datagram Protoco (UDP) (UDP), the protocol translation in the step 6, seven comprise to the User Datagram Protoco (UDP) header check and recomputate and fill in.
According to said method of the present invention, the protocol translation in the step 6, seven comprises comprising the translation of IP address in the data message payload.
Use method of the present invention, because the interface module in the base station is not with routing mode work, but work, for OAM module and OMC-R in the base station set up a transparent transmission channel in the mode of address translation/protocol translation.Need between the different like this base stations to be the different IP address of base-station interface block configuration, and default configuration can be used in the IP address of each module of inside of base station, need not reconfigure.In addition, because outside internal structure of not knowing the base station, can not be directly and the inside of base station module communication, strengthened the fail safe of base station.
Description of drawings
Fig. 1 is the applied broadband CDMA system structural representation of method of setting up special operational maintaining channel of the present invention;
Fig. 2 A is the schematic diagram of the interface module internal structure in the base station among Fig. 1;
Fig. 2 B is the schematic diagram of radio operation maintenance centre internal structure among Fig. 1;
Fig. 3 is a flow chart of setting up the method for special operational maintaining channel of the present invention;
Fig. 4 is for using method OAM module of the present invention and OMC-R transmit data message mutually on special operational maintaining channel example.
Embodiment
Below in conjunction with accompanying drawing method of the present invention is elaborated.
With reference to Fig. 1,2 WCDMD system configuration and basic procedure of the present invention shown in Figure 3, after base station inner joint module goes into operation, the information that writes when dispatching from the factory set up OMC-R and and the base station between logical links.In order to make this link transparent, must move ICP/IP protocol on the upper strata to the AM/BAM webmaster.Figure 1 shows that two base stations, promptly logical links is set up with OMC-R respectively in base station 1 and base station 2 among the figure.As shown in Figure 1, when dispatching from the factory, the default IP address of base station 1 and base station 2 inner each modules is identical, and being in particular the OAM module's address is that 1.0.32.2, interface module address are that 1.0.34.3, other module's addresss are 1.0.35.1.Note that the default addresses for use that the above-mentioned address of each module of inside of base station can be disposed when dispatching from the factory, also can be the address that is provided with separately by LMT Local Maintenance Terminal (LMT).
In step 1, the base-station interface module is outwards sent the bootstrapping request with broadcast mode by aforesaid logical links, comprises Base Station Identification and a transaction number in the request.In the step 2, bootstrapping server end module in the radio operation maintenance centre (OMC-R) is carried out simple process by after receiving the bootstrapping request, and the requests resource allocation administration module is this base station assigns resource then, as shown in Figure 1, the IP address of distributing to base station 1 is 5.6.7.8.Note, if the link layer of above-mentioned logical links based on ATM(Asynchronous Transfer Mode), OMC-R also needs to be the new virtual path identifier of base station assigns/virtual channel identifier (VPI/VCI).Bootstrapping server end module is sent resource and other configuration information that distributes with the bootstrapping response mode.In step 3, bootstrapping is replied by radio network controller and is routed to the base-station interface module.In step 4, the interface module in the base station is verified bootstrapping and is replied interior Base Station Identification and transaction number.In step 5, interface module in the base station 1 reconfigures protocol stack with the IP address that obtains, other configuration information is given to other modules of base station, for example for the OAM module initiatively to OMC-R report and alarm information, the OAM module must be known the IP address of OMC-R in the base station, just needs interface module that the module to OAM is circulated a notice of in the IP address of OMC-R.Step 6, OAM module in the base station 1 sends datagram to OMC-R, source address is 1.0.32.2 in this data message as shown in Figure 1, and destination address is 5.6.7.1, interface module in the base station is to replacing with interface module address 5.6.7.8 from base station OAM module data message source address translation and recomputating the verification of IP header and to finish address translation, carrying out protocol translation then handles, for example for the environment that uses ICMP or TCP or udp protocol, recomputate ICMP or TCP or UDP header or pseudo-header verification and, be dealt into OMC-R by radio network controller then.In step 7, send datagram to base station 1 by OMC-R, in the IP address of data message, source address is 5.6.7.1, destination address is 5.6.7.8, after giving the interface module of base station 1 through the RNC route, will replace with base station OAM module backboard port address 1.0.32.2 from destination address translation in this data message by the address translation module in the interface module, recomputate IP verification and after be forwarded to base station OAM module.Protocol translation is identical with step 6, also need to recomputate protocol header or pseudo-header verification and.
For a plurality of base stations, the situation of 2 two base stations in base station 1 and base station among Fig. 1 for example, the address that for example can distribute to base station 2 is 5.6.7.9, only needs each base station institute addresses distributed of assurance not repeat.
Fig. 4 is the step 6 of utilizing in the inventive method, seven, at the instantiation that transmits data message under the ICP/IP protocol environment between OAM module and the OMC-R.As shown in Figure 4, the payload portions of the data message that transmits has comprised the instruction of file transfer protocol (FTP) (FTP).At first transmit data message by OAM module in the base station to OMC-R, this step is the step 6 of the inventive method.The IP address part is source address 1.0.32.2, destination address 5.6.7.1 in this data message, the FTP instruction of wherein transmitting in the payload is " PORT1.0.32.2 1006 ", the function of this FTP instruction is the TCP server address and the port numbers of notice ftp server data link, and waits for that ftp server connects this TCP server.After this data message is delivered to interface module in the base station, address translation module by interface module is carried out address translation, the translation of OAM module's address in the source address is replaced with the outside network address 5.6.7.8 of interface module, carry out protocol translation by the protocol translation module in the interface module subsequently, protocol translation is except to the verification of protocol header and recomputating, also comprise the TCP server address in the payload is carried out steps of translating, the instruction that is about in the payload is rewritten as PORT5.6.7.8 1006.At last, be routed to OMC-R, finish the transmittance process of this message from the source end to destination end by data message through address translation and protocol translation.Note, every step of address translation and protocol translation realizes by interface module among Fig. 4, but example for transmission FTP instruction shown in Figure 4, owing to being translated, the address date in the payload might cause payload length to change, therefore also can replace with the address of interface module by the address that OAM module in the base station relates in directly with payload when OMC-R is sent data message, promptly share the part work of protocol translation, to alleviate the protocol translation work complexity of interface module by the OAM module.Is the step 7 of the inventive method by OMC-R to the process that the OAM module transmits data message, after OMC-R is delivered to interface module with data message, the IP address of this data message is source address 5.6.7.1, destination address 5.6.7.8, carry out address translation and protocol translation by address translation module in the interface module and protocol translation module assignment, destination address after the translation is replaced by the address 1.0.32.2 of OAM module, by interface module data message is passed to the OAM module then.Because the payload content of this data message is CONNECT1006, this information does not relate to address information, so the protocol translation of this data message is simple relatively.The example of Fig. 4 is to transmit the FTP instruction by special operational maintaining channel between base station and the radio operation maintenance centre, the instruction that the relevant base station operation that those skilled in the art can utilize this special operational maintaining channel to transmit any other form is safeguarded.
Should be noted that all any improved methods that does not break away from inventive concept all belong to protection scope of the present invention, the concrete protection range of the present invention is defined by the claims.
Claims (7)
1. method of setting up the IP datagram literary composition transmission channel that is used for Operation and Maintenance in broadband CDMA system between radio operation maintenance centre and the base station comprises step:
Step 1, in the base station, the default Base Station Identification of base station was by the logical links of radio network controller foundation with the radio operation maintenance centre when interface module basis was dispatched from the factory, and broadcast bootstrapping by this logical links to the radio operation maintenance centre and ask, this bootstrapping request comprises Base Station Identification and transaction number;
Step 2, in the radio operation maintenance centre, bootstrapping server end module receives and is given to the resource allocation management module after the bootstrapping request of this described base station is the new IP address of described base station assigns and other configuration files, parameter, returns to described base station by bootstrapping server end module with the bootstrapping response mode then;
Step 3 in radio network controller, is replied by the radio network controller route to described base station from the described bootstrapping in radio operation maintenance centre;
Step 4, in the base station, interface module is verified the bootstrapping that receives and is replied interior Base Station Identification and transaction number;
Step 5, Base Station Identification when conforming to this base station with transaction number in receive bootstrapping is replied is used and is replied the new IP address that is obtained by bootstrapping and reconfigure protocol stack, and sends the IP address in radio operation maintenance centre to the operation management maintain module;
Step 6, when the operation management maintain module in the described base station when the radio operation maintenance centre transmits the IP datagram literary composition, receive described data message by interface module, the source address of described data message is the default IP of operation management maintain module address, destination address is IP address, radio operation maintenance centre, be to distribute to the new IP address of this described base station and write in the source address field of data message again and recomputate the verification of IP head and by interface module with the default IP address translation of the operation management maintain module in the source address in the data message then to realize address translation, and also write again in the data message payload to realize protocol translation with protocol-dependent content in the translation data message payload simultaneously, data message behind address/protocol translation is sent to radio network controller, give the radio operation maintenance centre by the radio network controller route;
Step 7, when the operation management maintain module of radio operation maintenance centre in described base station transmits the IP datagram literary composition, the radio operation maintenance centre sends data message to radio network controller, the source address of described data message is the IP address in radio operation maintenance centre, destination address is to distribute to the IP address of described base station, give described base station by radio network controller with this data message route, interface module in the described base station receives this data message, and be the default configuration IP address of operation management maintain module in the base station with the base station IP address translation in the destination address in the data message and write again in the DAF destination address field of data message to realize address translation, and simultaneously in the translation data message payload with protocol-dependent content and write again in the data message payload to realize protocol translation, the data message behind address/protocol translation is sent to the operation management maintain module.
2. according to the described method of claim 1, the IP address by the LMT Local Maintenance Terminal configuration is used in the default configuration IP address of the operation management maintain module of inside of base station.
3. according to the described method of claim 1, link layer based on the asynchronous transfer mode situation under, resource allocation management module in the step 2 in the radio operation maintenance centre also needs to distribute new virtual path identifier/virtual channel identifier for it except being the new IP address of described base station assigns.
4. according to the described method of claim 1, under the situation of using ICMP, the protocol translation in the step 6, seven comprise to the ICMP header check and recomputate and fill in.
5. according to the described method of claim 1, under the situation of using transmission control protocol, the protocol translation in the step 6, seven comprise to the transmission control protocol header check and recomputate and fill in.
6. according to the described method of claim 1, under the situation of using User Datagram Protoco (UDP), the protocol translation in the step 6, seven comprise to the User Datagram Protoco (UDP) header check and recomputate and fill in.
7. according to the described method of claim 5, the protocol translation in the step 6, seven comprises comprising the translation of IP address in the data message payload.
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Families Citing this family (7)
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| CN1984143B (en) * | 2006-06-13 | 2011-05-04 | 华为技术有限公司 | Method and device for repeating Internet protocol packet of base-station controller |
| CN101192901B (en) * | 2007-04-24 | 2011-03-16 | 中兴通讯股份有限公司 | Information interaction device and method for auxiliary device and auxiliary device maintenance terminal |
| CN102202332B (en) * | 2011-06-09 | 2013-11-20 | 中国普天信息产业股份有限公司 | Base station maintenance system |
| CN102857953B (en) * | 2011-06-30 | 2017-03-22 | 中兴通讯股份有限公司 | Self-configuration method and device of base station |
| CN110278579B (en) * | 2018-03-16 | 2021-03-09 | 大唐移动通信设备有限公司 | Data processing method and device for base station |
| CN114244764B (en) * | 2021-12-23 | 2023-11-03 | 东莞市李群自动化技术有限公司 | Service message transmission method, system, equipment and storage medium |
| CN115801567A (en) * | 2022-12-07 | 2023-03-14 | 湖北天融信网络安全技术有限公司 | Message data transmission method and device, electronic equipment and storage medium |
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| CDMA无线通信原理 窦中兆，雷湘，全文，清华大学出版社 2004 * |
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Assignee: Wuhan beacon Mobile Communication Co., Ltd. Assignor: Beifang Fenghuo Tech Co., Ltd., Beijing Contract fulfillment period: 2007.9.24 to 2017.9.23 Contract record no.: 2008420010004 Denomination of invention: Method for building special operational maintaining channel in WCDMA system Granted publication date: 20070822 License type: Exclusive license Record date: 20080917 |
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Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
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Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |