CN101272582B - Automatic recognition method for link identification and virtual route and virtual channel mapping relationship - Google Patents
Automatic recognition method for link identification and virtual route and virtual channel mapping relationship Download PDFInfo
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- CN101272582B CN101272582B CN2008100692331A CN200810069233A CN101272582B CN 101272582 B CN101272582 B CN 101272582B CN 2008100692331 A CN2008100692331 A CN 2008100692331A CN 200810069233 A CN200810069233 A CN 200810069233A CN 101272582 B CN101272582 B CN 101272582B
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- 238000013507 mapping Methods 0.000 title claims abstract description 54
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Abstract
In order to overcome the problems of low efficiency and dependence on network management in a mapping list in which Path ID and VPI/VCI relationship is manually collocated since no mapping list with Path ID and VPI/VCI relationship exists in the signaling test process of the prior art, the invention discloses an automatic identifying method of the mapping relationship of chain path identification and virtual paths and virtual channels. By applying the automatic identifying method of the mapping relationship of the chain path identification and the virtual paths and the virtual channels provided by the invention, real-time data with certain quantity in the network can be analyzed, so the mapping relationship of each Path ID and VPI/VCI can be rapidly and automatically identified, the mapping relationship list of the Path ID and VPI/VCI of each Iub interface can be obtained in a real-time manner by manual collocation without need of network management, and the complete and deep signaling monitoring and protocol analysis can be carried out.
Description
Technical field
The present invention relates to signaling test technology, the particularly automatic identifying method of PathID and VPI/VCI mapping relations on the Iub interface in the signaling test technology of 3G mobile communications network in the 3-G (Generation Three mobile communication system) (abbreviating 3G as).
Background technology
In the data of communication network transmission, except user data, some is used for the message of control transmission, is referred to as usually to be called signaling.To the signaling test of network, can reflect the overall operation state of network, grasp the operation conditions of network, help network engineers to carry out work such as failure diagnosis, evaluation the quality and the network optimization effectively to communication network.In the signaling test process, need monitor signaling network; Can obtain the signaling message between network interface through modes such as cross-over connection or mirror images; Then signaling message is carried out protocal analysis; Some key indexs are added up, some data or forms of reaction network ruuning situation more intuitively are provided.
The 3G (Third Generation) Moblie network is made up of wireless access network and core net, and its signaling test and protocal analysis play an important role to networking and stable operation.They mainly accomplish the function such as signaling supervision, business statistics, the network optimization, call follow of 3G network; Wherein the monitoring signaling of wireless access network is the core missions of signaling test, and is wherein complicated with the monitoring of the Iub interface between Node B (abbreviating Node B as) and the radio network controller (abbreviating RNC as) again.The protocol stack structure of Iub interface is divided into two functional layers in the horizontal direction: wireless network layer (in the accompanying drawing 1 shown in the D) and transport network layer (in the accompanying drawing 1 shown in the E).Form by wireless network control plane (in the accompanying drawing 1 shown in the A), wireless network user plane (in the accompanying drawing 1 shown in the B) and wireless network user plane (in the accompanying drawing 1 shown in the C) respectively.The wireless network user plane mainly is the one-tenth frame data of each transmission channel, comprises Common transport channel and dedicated transmission channel, and they transmit the data encapsulation framing of air interface respective channel in Access Network.Transport network layer generally adopts asynchronous transfer mode (abbreviating ATM as) technology at present.Chain of command adopts different ATM Adaptation Layer (abbreviating AAL as) respectively with user plane, and chain of command adopts five types adaptive (abbreviating AAL5 as), and user plane adopts two types adaptive (abbreviating AAL2 as), and the Iub interface protocol stack is shown in accompanying drawing 1.
In the Iub interface monitoring signaling; The distribution of AAL2 link is accomplished by Access Link Control Application Protocol (abbreviating ALCAP as); ALCAP is through setting up the AAL2 link that request (abbreviating ERQ as) message medium chain line (abbreviating Path ID as), channel logo Ch-ID (abbreviating Ch-ID as) indicate distribution; Path ID and ATM virtual path and Virtual Channel (abbreviating VPI/VCI as) are a kind of mapping relations; Ch-ID then is equal to the channel logo (abbreviating CID as) of AAL2 link, and is as shown in table 1 below:
Table 1:
| Path?ID | Ch-ID | VPI/VCI | CID |
| 65 | 86 | 3/65 | 86 |
| 1579 | 89 | 3/55 | 89 |
In Node B and RNC equipment, maintenance is arranged all like this mapping relations table of table 1, and can be configured through webmaster.
For Node B and RNC equipment, just can confirm the value of VPI/VCI according to Path ID, but for the signaling test instrument, just not have such mapping table to look into through finding a mapping table as shown in table 1.But, in the signaling test process, must know the relation of Path ID and VPI/VCI, so that carry out deep monitoring signaling and protocal analysis work such as call detail record (abbreviating CDR as) synthesizes.
Prior art is to confirm the relation of Path ID and VPI/VCI through manual configuration; Promptly from the network management data storehouse, seek the mapping table of Path ID and VPI/VCI; Again tester is carried out manual configuration, set up an identical mapping table, this method inefficiency; And the dependence webmaster, very inconvenient.
Summary of the invention
For overcoming prior art in the signaling test process; Owing to there is not the mapping table of Path ID and VPI/VCI relation; Deficiencies such as the existing inefficiency of mapping table of manual configuration Path ID and VPI/VCI relation, dependence webmaster, the present invention proposes the automatic identifying method of a kind of chain line and virtual path and Virtual Channel mapping relations.Adopt the automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations; Can be through the real time data of some in the network be analyzed; Just can discern the mapping relations of each Path ID and VPI/VCI fast and automatically; Thereby need be by webmaster, manual configuration and obtain the Path ID and the VPI/VCI mapping relations table of each Iub interface in real time can be carried out complete deep monitoring signaling and protocal analysis.
CID in the FP synchronization message that CID in the ERQ message that the automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations carried AAL5 in predetermined match time and AAL2 carry matees; The matching times of Path ID or the number that VPI/VCI gets the back FP synchronization message of occuring simultaneously are confirmed the mapping relations of Path ID and VPI/VCI in the coupling number of CID in the FP synchronization message that CID in the ERQ message of carrying according to AAL5 and AAL2 carry, the ERQ message, and in the predetermined identification processing time, mate the identification processing.
The automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations was 0 to 1 second to the predetermined match time that the CID in the FP synchronization message of CID in the ERQ message of AAL5 carrying and AAL2 carrying matees.
The automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations is confirmed the step of Path ID and VPI/VCI mapping relations according to the coupling number of the CID in the FP synchronization message of CID in the ERQ message of AAL5 carrying and AAL2 carrying; Comprise: if the CID that has only a FP synchronization message to extract is identical with the CID of this ERQ message extraction; Then be regarded as this and discern successfully, the VPI/VCI that extracts in this Path ID value and this FP synchronization message is mapping relations.
Chain line of the present invention confirms that according to the matching times of Path ID in the ERQ message step of Path ID and VPI/VCI mapping relations comprises with the automatic identifying method of virtual path and Virtual Channel mapping relations: if there is the CID of CID that an above FP synchronization message extracts and this ERQ message extraction identical; And this Path ID value is to mate for the first time; Then be regarded as this not success of coupling identification, the vpi/vci value that extracts in temporary this Path ID value and this FP synchronization message.
The automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations confirms that according to the number that VPI/VCI gets the back FP synchronization message of occuring simultaneously the step of Path ID and VPI/VCI mapping relations comprises: if there is the CID of CID and this ERQ message extraction of an above FP synchronization message extraction identical; And this PathID value is not to mate for the first time; Then the VPI/VCI with this coupling gets common factor with temporary VPI/VCI; If only surplus next FP synchronization message; Then be regarded as this and discern successfully, the VPI/VCI that extracts in this Path ID value and this FP synchronization message is mapping relations.
The scheduled time identification that the automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations matees the identification processing is treated to 3 to 12 minutes.
Description of drawings
Fig. 1 is the structural representation of 3G system Iub interface protocol stack;
Fig. 2 is the sketch map of the automatic identifying method embodiment of chain line of the present invention and virtual path and Virtual Channel mapping relations.
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Accompanying drawing 1 is the structural representation of 3G system Iub interface protocol stack.Can know that by figure the protocol stack structure of Iub interface is divided into two functional layers in the horizontal direction: wireless network layer and transport network layer.Wireless network layer is made up of wireless network control plane and wireless network user plane again.The wireless network user plane mainly is the one-tenth frame data of each transmission channel, comprises Common transport channel and dedicated transmission channel, and they transmit the data encapsulation framing of air interface respective channel in Access Network.Transport network layer generally adopts the asynchronous transfer mode technology at present.
Embodiment
Accompanying drawing 2 is automatic identifying method embodiment sketch mapes of chain line of the present invention and virtual path and Virtual Channel mapping relations.Can know that by figure the automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations comprises a kind of method of dwindling matching range gradually based on the CID coupling.
Judge a Path ID and the following principle of main foundation that VPI/VCI is corresponding:
1, the AAL2 link on the Iub interface all distributes through the ALCAP agreement;
The FP agreement of the AAL2 link that 2, has just distributed has a synchronous process, if receive the FP synchronization message, then this AAL2 link is by the ERQ distribution of messages of this ALCAP agreement;
3, the scope of application of Path D and little in Iub interface; The Path ID value of a general interface is with regard to one or two; Because that Path ID indication is VPI/VCI; VPI/VCI is basic identical in the FP of same Iub interface link, and different just CID is so just can find out all Path ID that need and VPI/VCI mapping through the matching treatment of certain hour.
The automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations is mainly used in the monitoring signaling of 3G Access Network; Is example below in conjunction with accompanying drawing 2 with time division duplex-S-CDMA wireless telecommunication system (abbreviating the TD-SCDMA system as), further introduces the practical implementation step of the automatic identifying method of chain line of the present invention and virtual path and Virtual Channel mapping relations:
Extract Path ID, cid information the ALCAP agreement ERQ message that step 1, the AAL5 that collects from the signaling test instrument carry;
Extract VPI, VCI, the cid information in the packet header the FP synchronization message that step 2, the AAL2 that collects from the signaling test instrument carry;
Step 3, the CID that step 1 and step 2 are extracted mate, and in predetermined match time, if the CID that has only a FP synchronization message to extract is identical with the CID of this ERQ message extraction, transfer execution in step 6 to; If the CID that has an above FP synchronization message to extract is identical with the CID of this ERQ message extraction, and this Path ID value is to mate for the first time to transfer execution in step 4 to; If the CID that has an above FP synchronization message to extract is identical with the CID of this ERQ message extraction, and this Path ID value is not to mate for the first time then to transfer execution in step 5 to; Be set to for 0 to 1 second said predetermined match time;
Step 4, do not mate successfully, the mapping relations of temporary Path ID and VPI/VCI transfer execution in step 7 to;
Step 6, this discerns successfully, and the VPI/VCI that extracts in the Path ID in this ERQ message and this FP synchronization message is mapping relations, the mapping relations of record Path ID and VPI/VCI;
Step 7, whether arrive the predetermined coupling identification processing time, be then to finish identification processing procedure, otherwise carry out the coupling identification processing procedure once more from step 1 beginning; The said predetermined coupling identification processing time is set to 3-12 minute.
Claims (4)
1. an Iub interface uplink identifies Path ID and virtual path and Virtual Channel VPI/VCI mapping relations automatic identifying method; It is characterized in that: the CID in the FP synchronization message that channel logo CID in the foundation request ERQ message of in predetermined match time, asynchronous transfer mode ATM adaptation layer 5AAL5 being carried and atm adaptation layer 2 AAL2 carry matees; The matching times of Path ID or the number that VPI/VCI gets the back FP synchronization message of occuring simultaneously are confirmed the mapping relations of Path ID and VPI/VCI in the coupling number of CID in the FP synchronization message that CID in the ERQ message of carrying according to AAL5 and AAL2 carry, the ERQ message, and in the predetermined identification processing time, mate the identification processing; Wherein:
The coupling number of CID in CID in the said ERQ message of carrying according to AAL5 and the FP synchronization message that AAL2 carries confirms that the step of Path ID and VPI/VCI mapping relations comprises: if having only the CID of CID and this ERQ message extraction of a FP synchronization message extraction identical; Then be regarded as this and discern successfully, the VPI/VCI that extracts in this Path ID value and this FP synchronization message is mapping relations;
Said matching times according to Path ID in the ERQ message confirms that Path ID comprises with the step of VPI/VCI mapping relations: if the CID that has an above FP synchronization message to extract is identical with the CID of this ERQ message extraction; And this Path ID value is to mate for the first time; Then be regarded as this not success of coupling identification, the vpi/vci value that extracts in temporary this Path ID value and this FP synchronization message;
Said number of getting the back FP synchronization message of occuring simultaneously according to VPI/VCI confirms that Path ID comprises with the step of VPI/VCI mapping relations: if there is the CID of an above FP synchronization message extraction identical with the CID of this ERQ message extraction; And this Path ID value is not to mate for the first time; Then the VPI/VCI with this coupling gets common factor with temporary VPI/VCI; If only surplus next FP synchronization message; Then be regarded as this and discern successfully, the VPI/VCI that extracts in this Path ID value and this FP synchronization message is mapping relations.
2. according to the said Iub interface uplink sign Path ID of claim 1 and virtual path and Virtual Channel VPI/VCI mapping relations automatic identifying method, it is characterized in that: be 0 to 1 second the predetermined match time that the CID in the FP synchronization message of CID in the ERQ message of AAL5 carrying and AAL2 carrying is mated.
3. according to the said Iub interface uplink sign Path ID of claim 1 and virtual path and Virtual Channel VPI/VCI mapping relations automatic identifying method, it is characterized in that: the predetermined identification processing time of mating the identification processing is 3 to 12 minutes.
4. according to the said Iub interface uplink sign Path ID of claim 1 and virtual path and Virtual Channel VPI/VCI mapping relations automatic identifying method, it is characterized in that: the process of identification may further comprise the steps automatically:
Extract Path ID, cid information the Access Link Control Application Protocol ALCAP agreement ERQ message that step 1, the AAL5 that collects from the signaling test instrument carry;
Extract VPI, VCI, the cid information in the packet header the FP synchronization message that step 2, the AAL2 that collects from the signaling test instrument carry;
Step 3, the CID that step 1 and step 2 are extracted mate, and being no more than in time interval of 1 second, if the CID that has only a FP synchronization message to extract is identical with the CID of this ERQ message extraction, transfer execution in step 6 to; If the CID that has an above FP synchronization message to extract is identical with the CID of this ERQ message extraction, and this Path ID value is to mate for the first time to transfer execution in step 4 to; If the CID that has an above FP synchronization message to extract is identical with the CID of this ERQ message extraction, and this Path ID value is not to mate for the first time then to transfer execution in step 5 to;
Step 4, do not mate successfully, the vpi/vci value that extracts in temporary Path ID and this FP synchronization message transfers execution in step 7 to;
Step 5, the VPI/VCI of this coupling and temporary VPI/VCI are got common factor, if only surplus next FP synchronization message transfers execution in step 6 to, otherwise, transfer execution in step 7 to;
Step 6, this discerns successfully, and the VPI/VCI that extracts in the Path ID in this ERQ message and this FP synchronization message is mapping relations, the mapping relations of record Path ID and VPI/VCI;
Step 7, whether arrive predetermined coupling recognition time, be then to finish identification processing procedure, otherwise carry out the coupling identification processing procedure once more from step 1 beginning; Said predetermined coupling recognition time is set to 3-12 minute usually.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108708A (en) * | 1993-12-27 | 2000-08-22 | Nec Corporation | Connection-oriented network using distributed network resources and predetermined VPIs for fast VC establishment |
| CN1305163A (en) * | 2000-05-23 | 2001-07-25 | 深圳黎明电脑网络有限公司 | Exchange method and device of XML data information |
| CN200980088Y (en) * | 2006-12-07 | 2007-11-21 | 大唐移动通信设备有限公司 | Information cell transformation device and system in the asynchronous transfer mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108708A (en) * | 1993-12-27 | 2000-08-22 | Nec Corporation | Connection-oriented network using distributed network resources and predetermined VPIs for fast VC establishment |
| CN1305163A (en) * | 2000-05-23 | 2001-07-25 | 深圳黎明电脑网络有限公司 | Exchange method and device of XML data information |
| CN200980088Y (en) * | 2006-12-07 | 2007-11-21 | 大唐移动通信设备有限公司 | Information cell transformation device and system in the asynchronous transfer mode |
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| JP特开平10-13420A 1998.01.16 |
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