CN100450246C - Method for checking transmission channel collocation parameter - Google Patents
Method for checking transmission channel collocation parameter Download PDFInfo
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- CN100450246C CN100450246C CNB2005100569028A CN200510056902A CN100450246C CN 100450246 C CN100450246 C CN 100450246C CN B2005100569028 A CNB2005100569028 A CN B2005100569028A CN 200510056902 A CN200510056902 A CN 200510056902A CN 100450246 C CN100450246 C CN 100450246C
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Abstract
The present invention discloses a method for checking the collocation parameters of transmission channels. In the method, firstly, a first storage unit is set and is divided into a plurality of independent storage subunits used for independently storing the collocation information of parameters in different types of transmission channels; then, the collocation parameters of the transmission channels are obtained from a user interface, are decomposed according to a preset message format comprising an operation type, an examining type and the collocation information of parameters, and are positioned in the corresponding storage subunits in the first storage unit according to the operation type and the collocation information of the parameters; the collocation parameters are examined according to the collocation information of the parameters in the storage subunits and the examining type.
Description
Technical field
The present invention relates to the transmission resource management technology in the transport network layer of WCDMA base station system, be specifically related to the inspection method of transport network layer management software the transmission configuration parameter.
Background technology
In the WCDMA base station system, transport network layer is the passage that base station system administers and maintains, and provides also simultaneously that wireline side transmits indispensable part in the 3G business.Present base station system can adopt multiple transmission means (as E1, optical fiber, satellite transmits etc.) to carry out transfer of data, can flexible networking between the base station, can be by far-end with IPOA (English or Chinese, as follows) mode safeguard, but also can realize the common transmission of data between 3G and the 2G system.And the realization of these functions all be unable to do without management and the distribution of transfer management software to these transfer resources.User interface in service in the base station, that the user provides by transmitting software, the parameter that the configuration transmission channel is relevant then by the transmitting software allocation of transmission resources, is finished the automatic configuration of transmission channel under the miscellaneous service situation and to the maintenance of transmission channel.
If configuration parameter mistake or unreasonable will cause the obstructed or transmission performance decline of transmission line.For example, need dispose the CCP port with the carrying subscriber signaling at the IUB interface, the physical resource that it relied on comprises that the physical circuit (E1 or optical fiber), the logical resource that carry data comprise the link layer (UNI, IMA etc.) on this physical circuit, the VPI of ATM layer, VCI, and the shared bandwidth of this CCP port transmission etc.If other link conflicts and will cause this link obstructed on the inconsistent or ATM layer parameter of the transmission means in the logical resource of configuration and reality and this transmission line, if the bandwidth of configuration is unreasonable, the total bandwidth that causes being carried on this physical circuit has surpassed the actual maximum capacity that can carry, will cause part transmission data to be dropped, thereby cause decreased performance, therefore in order to guarantee that transfer resource correctly disposes, and checks the correctness of the various resource related parameters that transmission channel relied on.
Present a kind of method of transmission channel configuration data correctness of checking is that the user is before the input configuration parameter, according to the data of the configuration of the dependence hand inspection needs between each parameter.Obviously, because this inspection method is very high to the network knowledge requirement, this just need compare big expenditure to equipment management personnel; And when the relation between the configuration parameter is complicated, make mistakes extremely easily, therefore maintainable relatively poor.
The another kind of method of transmission channel configuration data correctness of checking is that the transfer management program is that every class configuration parameter distributes special inspection module, is checked item by item one by one by described inspection module.When the correctness of transmission channel configuration data is checked, system reads configuration parameter automatically by user interface, and configuration parameter carried out format conversion, according to dependence between all kinds of parameters, all kinds of parameters are carried out parameter area inspection, physical resource inspection, logical resource inspection, existence and validity checking and bandwidth inspection successively then.
Though this inspection method can realize the inspection of transmission channel configuration data correctness, but also there is certain defective in it: because this method need be distributed special inspection module for every class configuration parameter, therefore realize too complicated, the kind of a transfer resource of every increase will increase corresponding inspection module; Simultaneously, will relate to the corresponding modify of a plurality of inspection modules when dependence changes, so this method shortage is maintainable, maintenance cost is very high.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of method of checking transmission channel collocation parameter is provided, can improves the maintainability of transmission channel, the maintenance cost of reduction transmission channel.
For solving the problems of the technologies described above, the invention provides a kind of method of checking transmission channel collocation parameter, comprise step:
1) first memory cell is set, and is divided into several independently storing sub-units, be used for the configuration information of the dissimilar parameters of transmission channel is carried out separate, stored;
2) obtain the configuration parameter of transmission channel and decompose according to predetermined message format from user interface, described message format comprises the configuration information of action type, inspect-type and parameter;
3) configuration information according to described action type and parameter navigates to corresponding storing sub-units in described first memory cell; And configuration parameter is checked according to the configuration information and the described inspect-type of stored parameters in the described storing sub-units.
Wherein, the configuration information of described parameter comprises the configuration information of resource parameters, the configuration information of child node parameter and/or the configuration information of father node parameter.
Wherein, described inspect-type comprises usability inspection and existence inspection.
Wherein, described action type comprises the increase node;
When described configuration parameter comprised child node parameter and father node parameter, step 3) specifically comprised:
31) configuration information according to described father node parameter navigates to storing sub-units corresponding in first memory cell;
32) configuration information according to the father node parameter of storing in the described storing sub-units carries out the existence inspection to described father node parameter;
33) configuration information according to described child node parameter navigates to storing sub-units corresponding in first memory cell;
34) configuration information according to the child node parameter of storing in the described storing sub-units carries out the existence inspection to described child node parameter;
35) configuration information according to described resource parameters navigates to corresponding storing sub-units in first memory cell;
36) configuration information according to stored resource parameter in the described storing sub-units carries out the usability inspection to described resource parameters.
Wherein, also comprise step: second memory cell is set, is used to store the dependency information of described father node parameter and child node parameter.
Wherein, also comprise step after the step 3):
The configuration information of described child node parameter and the configuration information of resource parameters are saved in described storing sub-units;
The dependency information of described child node parameter and described father node parameter is saved in described second memory cell.
Wherein, described action type can also comprise deletion of node; The process of according to the configuration information and the described inspect-type of stored parameters in the described storing sub-units configuration parameter being checked in the step 3) is specially:
31) configuration information according to described parameter navigates to storing sub-units corresponding in first memory cell;
32) configuration information according to stored parameters in the described storing sub-units carries out the existence inspection to described parameter;
33) check according to the dependency information in second memory cell whether the deletion of node parameter is the father node parameter; If, check then whether described father node parameter exists the child node parameter, if there is the child node parameter, then do not allow to delete described node.
Wherein, also comprise step when there is not the child node parameter in described father node parameter, step 33):
Configuration information deletion with the parameter in the described storing sub-units;
Dependency information in described second memory cell of described deletion of node correspondence is deleted.
In addition, also comprise step: the 3rd memory cell is set, is used to store the index identification information of storing sub-units described in first memory cell; The described process that navigates to corresponding storing sub-units in first memory cell of step 3) is specially:
In described the 3rd memory cell, search the index identification information of the storing sub-units in first memory cell of configuration information correspondence of described parameter;
Navigate to storing sub-units in described first memory cell according to described index identification information.
In addition, described step also comprises: upgrade described first memory cell, second memory cell and the 3rd memory cell.
Wherein, described step 2) before decomposing, also comprise step: parameter area and the bandwidth attribute of checking described configuration parameter according to predetermined message format.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is provided with a storing sub-units for every kind of configuration parameter, and by configuration parameter is decomposed, the system that makes can navigate to relevant storing sub-units by the message content that decomposites, and then the parameter of needs configuration is checked.When needs increase node, only need in corresponding storing sub-units, preserve the parameter information of relevant needs configuration; And when the resource allocation kind increases or reduce, also only need to increase or reduce corresponding storing sub-units, thus be reduced to implementation procedure greatly, improved maintainability.Further, decompose by message, the represented information of various data is more clear and definite, in processing messages, can take unified processing mode to homogeneous data, rather than the processing mode of oneself all be arranged, thereby improve versatility of the present invention at each message.
Further, the present invention decomposes by message, and is clear the arrangement of the dependence of various data configurations, is stored in second memory cell, makes that the various node dependences in just can only decomposing according to message when being configured parameter testing are handled.
In addition, when the attribute of various configuration parameters changes, only need revise the content of related memory cell; And the present invention can directly do the correlation inspection at the configuration platform to configuration data by the interface that externally provides.
Description of drawings
Fig. 1 is the memory contents in the storing sub-units of first memory cell among the present invention;
Fig. 2 is the memory contents schematic diagram in second memory cell among the present invention;
Fig. 3 is the memory contents schematic diagram in the 3rd memory cell among the present invention;
Fig. 4 is the flow chart that configuration parameter is checked when increasing node among first embodiment;
Fig. 5 is the flow chart that configuration parameter is checked during deletion of node among first embodiment.
Embodiment
The maintainable relatively poor problem that the present invention is directed to the method existence of checking transmission channel collocation parameter in the prior art has proposed a solution, its core is the form by the message decomposition, the configuration parameter of external user is converted to a kind of general dependence between the internal data, by checking that dependence realizes the correlation inspection of configuration data, can realize high level (message layer) and professional the separating of bottom (data Layer).The change of higher layer message, such as increasing or reducing some message, perhaps message format changes, and can not have influence on the realization of bottom data operation.And the bottom data operation will be indifferent to professional concrete form fully, only pay close attention to the storage of data, retrieval and renewal.
Use the present invention, at first need first memory cell is set, and be divided into several independently storing sub-units, be used for the configuration information of dissimilar configuration parameters is carried out separate, stored; When needs are checked configuration parameter, obtain configuration parameter and decompose from user interface according to predetermined message format, described message format comprises the configuration information of action type, inspect-type and parameter; Configuration information according to described action type and parameter navigates to corresponding storing sub-units in described first memory cell then; And the correctness of configuration parameter is checked according to the configuration information and the described inspect-type of stored parameters in the described storing sub-units.
Described configuration parameter type comprises physical resource parameter and logical resource parameter; Described parameter specifically comprises child node parameter and/or father node parameter and resource parameters.
For the ease of better understanding the present invention, below at first introduce the notion that relates among several the present invention:
Relation between father node and the child node is: if a node is a father node, when deleting child node so, father node cannot be deleted; When increasing child node,, do not allow to increase this child node so simultaneously if its father node does not exist.
The time slot node of PVC, E1/T1 or E1/T1 all belongs to resource.The feature of resource is not reuse, in case resource is occupied, unless use the node of this resource to discharge this resource (when this node is deleted), this resource cannot be utilized by other node.
Below be example to increase a CP port, the relation between the various configuration parameters is described.
Before increasing a CP port, need at first to check whether the UNI link that this CP port is relied on exists, then in order to increase this CP port, also be necessary for it and distribute a unappropriated PVC link.We are called the father node of CP port with the UNI link, and corresponding, the CP port is the child node of UNI link; And the PVC link is a resource.
Inspect-type to configuration parameter among the present invention comprises usability inspection and existence inspection; The usability inspection is whether the resource parameters that digital examination need dispose is in occupied state, and the existence inspection is whether the parameter of digital examination configuration exists.
In addition, before the configuration parameter that obtains from user interface is decomposed, at first to carry out the inspection of parameter area and bandwidth,, therefore not repeat them here because the method for checking is same as the prior art.
Described action type comprises increases node, modification and deletion of node; At different action types relevant parameter is carried out the correctness inspection.
When increasing node, check at first whether described node exists father node, if when described parameter comprises child node parameter and father node parameter, at first the configuration information according to described father node parameter navigates to storing sub-units corresponding in first memory cell; Configuration information according to stored parameters in the described storing sub-units carries out the existence inspection to described father node parameter then, checks promptly whether described father node parameter exists; Next, the configuration information according to described child node parameter navigates to storing sub-units corresponding in first memory cell; Configuration information according to stored parameters in the described storing sub-units carries out the existence inspection to described child node parameter again; Then, the configuration information according to described resource parameters navigates to corresponding storing sub-units in first memory cell; Configuration information according to stored parameters in the described storing sub-units carries out the usability inspection to described resource parameters.
Also be provided with second memory cell in the present invention, be used to store the dependency information of described father node parameter and child node parameter; After the correctness inspection to configuration parameter finishes, the configuration information of described child node parameter and resource parameters is saved in described storing sub-units so that revise and deletion in use.Simultaneously, the dependency information with described child node parameter and described father node parameter is saved in described second memory cell.
When deletion of node; Need also the correctness of the configuration parameter of desiring deletion of node is checked that the process of inspection is at first to navigate to storing sub-units corresponding in first memory cell according to the configuration information of described parameter; Configuration information according to stored parameters in the described storing sub-units carries out the existence inspection to described parameter, promptly checks and desires whether deletion of node is the node that has existed; Next, whether the parameter according to the deletion of the dependency information inspection in second memory cell is the father node parameter; If check then whether described father node parameter exists the child node parameter.
Do not allow deletion for the father node that child node is arranged, otherwise, when described father node parameter does not exist child node parameter or this node to be child node, just can be with this knot removal, delete procedure is: at first with the configuration information deletion of the parameter in the described storing sub-units, the configuration information of described parameter comprises the configuration information of deletion of node and the configuration information of resource parameters; Then with the corresponding dependency information deletion in described second memory cell of this node correspondence.
Be provided with the 3rd memory cell among the present invention, be used to store the index identification information of storing sub-units described in first memory cell; The described process that navigates to corresponding storing sub-units in first memory cell can be carried out according to following steps:
In described the 3rd memory cell, search the index identification information of the storing sub-units in first memory cell of configuration information correspondence of described parameter;
Navigate to storing sub-units in described first memory cell according to described index identification information.
In order to guarantee the correctness of data in each memory cell, the present invention will upgrade first memory cell, second memory cell and the 3rd memory cell after every kind of operation is finished.
The present invention has simplified the implementation procedure of revising dependence in the prior art greatly.The configuration information of the modification parameter among the present invention mainly is the modification at transmission bandwidth, and when needs were revised described transmission bandwidth, at first whether the node of inspection setting existed, checks then whether the bandwidth that increases or reduce use on father node is successful.It is basic identical with increasing flow process to preserve flow process.
In order better to understand the present invention, below introduce one and use the preferred embodiments of the present invention.
First embodiment: in the present embodiment, the storage of all configuration parameters and retrieval are all handled as a memory block, by the copy of memory block with relatively realize.The configuration information of all kinds of parameters described in the present invention is all stored relevant data by a database table in the database.For example, PVC, ALCAP, UNI, IMA etc., every class parameter all has a table to store data in database.The table of these storage configuration parameters is first memory cell described in the present invention, and each table is a storing sub-units.Every increase or delete a node will increase or delete a line item in the form of corresponding such parameter.Fig. 1 is the form of the storing sub-units correspondence of storage CPPORT node parameter, and C_CPPORT is the title of this storing sub-units configuration parameter corresponding type, and the CPPORT node of all increases just will be preserved in this form; The configuration parameter information of each the C_CPPORT node that writes down in the form comprises: information such as data key, array index, resource index, wherein the effect of array index and data key is a dependence of being convenient to write down father node and child node in second memory cell, and the configuration information of the parameter in the message format after being decomposed from the configuration parameter of user interface shows with the content of data key.Resource index has write down the information of the resource parameters that each node takies.
The 3rd memory cell in the present embodiment realizes with a database table equally, we are as can be seen from Fig. 3, write down the index sign of each storing sub-units in the 3rd memory cell, each record all corresponding a tables of data, i.e. a storing sub-units in first memory cell; Described index sign comprises the first address of title and each storing sub-units of storing sub-units, it is the original position that field " StartAddress " in Fig. 3 table finds each storing sub-units, this field is filled in system initialization, write down some general information, be convenient to index.Can also write down length, the key length of the type resource data table in addition in this form, father node number, resource number, the maximum number of this storing sub-units record, index after being convenient to.The index of representing the start address of each storing sub-units among the figure with solid line.This database table generates when starting, and no longer changes later on.
Fig. 2 is the database table structure schematic diagram of second memory cell in the present embodiment.In this database table, stored child node title and father node title, and child node array subscript and father node array index.In the present embodiment, show by the dependence of array index child node and father node, with the information shown in scheming is example, and lower label is that lower label is arranged is that 1 child node C_CPPORT and lower label are 0 child node C_AAL2PATH to the child node of 1 father node C_UNILINK correspondence; In addition, lower label is that to also have a lower label be 0 father node C_AAL2NODE for 0 child node C_AAL2PATH.
Below set forth in the present embodiment detailed process to the transmission configuration data examination.
Fig. 4 is for increasing the flow chart of node.As shown in the figure, transfer management software is provided with the 3rd memory cell initialized the time according to above-mentioned form; Other first memory cell and second memory cell also need according to form mentioned above (step 1) to be set in advance.When needs were checked configuration parameter, transfer management software obtained configuration parameter (step 2) from user interface; At first configuration parameter is carried out the inspection (step 3) of parameter area and bandwidth attribute; After inspection finishes, configuration data is decomposed (step 4) according to predetermined message format, the message content that decomposites comprises: son node number according to key name claim, the title of father node data key, data key title, inspect-type and the action type of resource; The storing sub-units of at first checking according to action type decision needs then, action type is divided into increases node, deletion of node and modification parameter attribute, below is that the whole checking process of node is added in the example explanation with the CP port.
When needs increase a CP port, decompose through message, the content that decomposites comprises: action type: increase node, father node data key title UNILINK_KEY, son node number claim CPPORT_KEY, logical resource data key name to claim PVC_KEY, inspect-type according to key name: existence and usability; Judge whether to exist father node (step 5) according to the message content that decomposites, promptly whether have the data key of father node in the message content; If there is no, execution in step nine then; If exist, the storing sub-units of then at first searching this father node data key title UNILINK_KEY correspondence in the 3rd memory cell is the first address (step 6) of C_UNILINK; Navigate to storing sub-units C_UNILINK (step 7) in first memory cell according to this first address; Whether according to father node data key title UNILINK_KEY this father node is checked (step 8) then, check promptly whether this father node exists, that is to say has the record identical with father node data key title UNILINK_KEY content to exist; When existing, continue to navigate to the C_CPPORT storing sub-units by the first address in the 3rd memory cell according to the CPPORT_KEY in the message content that decomposites, check whether this node exists (step 9); When existing, end operation (step 13); When checking that according to CPPORT_KEY this node does not exist as yet at present, continue to check according to PVC_KEY whether whether the PVC_KEY in the C_PVC storing sub-units is in seizure condition (step 10), promptly exist this record; When taking, end operation (step 13); When the result according to the above-mentioned steps inspection shows that configuration parameter is correct, needs are increased CPPORT_KEY and record (step 11) in the corresponding storing sub-units respectively for the PVC_KEY information of its distribution, because change has taken place in the data of memory cell, therefore the operation (step 12) that need upgrade, finished the process that increases thus, end operation (step 13).
Fig. 5 is the flow chart of deletion of node.When needs deletion CP port, need at first to check that the node of needs deletion is the node that has existed, need then to check and whether have child node under this node, the process of checking is specifically: at first obtain configuration parameter (step 1), configuration parameter message is decomposed (step 2), and the content that decomposites comprises: action type: deletion of node, father node data key title UNILINK_KEY, son node number claim CPPORT_KEY, resource data key name to claim PVC_KEY, inspect-type according to key name: existence and usability; At first in the 3rd memory cell, search this node data key name and claim that the storing sub-units of CPPORT_KEY correspondence is the first address (step 3) of C_CPPORT; Navigate to storing sub-units C_CPPORT (step 4) in first memory cell according to this first address, check whether this node is the node (step 5) that has existed; If exist, claim CPPORT_KEY to check in second memory cell whether this node exists child node (step 6) according to the node data key name then, when existing, do not allow deletion, end operation (step 9) when not existing, then will need relative recording and the deletion of the relevant information in second memory cell (step 7) in the C_CPPORT database table deleted and the C_PVC table, upgrade each memory cell (step 8) then, finish whole delete procedure.
Simplified the difficulty of revising the configuration parameter attribute during another advantage of the present invention.At this is that example is illustrated to revise bandwidth attribute only.When needs are revised the bandwidth attribute of certain node, at first the bandwidth information of storing in the storing sub-units with this node correspondence is made amendment, then when there is father node in it, bandwidth attribute in the storing sub-units of father node correspondence is carried out corresponding modification, in order to keep the correctness of data, three memory cell are upgraded.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1, a kind of method of checking transmission channel collocation parameter is characterized in that, comprises step:
1) first memory cell is set, and is divided into several independently storing sub-units, be used for the configuration information of the dissimilar parameters of transmission channel is carried out separate, stored;
2) obtain the configuration parameter of transmission channel and decompose according to predetermined message format from user interface, described message format comprises the configuration information of action type, inspect-type and parameter;
3) configuration information according to described action type and parameter navigates to corresponding storing sub-units in described first memory cell; And configuration parameter is checked according to the configuration information and the described inspect-type of stored parameters in the described storing sub-units.
2, the method for inspection transmission channel collocation parameter according to claim 1 is characterized in that: the configuration information of described parameter comprises the configuration information of the configuration information of resource parameters, child node parameter and/or the configuration information of father node parameter.
3, the method for inspection transmission channel collocation parameter according to claim 2 is characterized in that, described inspect-type comprises usability inspection and existence inspection.
4, the method for inspection transmission channel collocation parameter according to claim 3 is characterized in that, described action type comprises the increase node;
When described configuration parameter comprised child node parameter and father node parameter, step 3) specifically comprised:
31) configuration information according to described father node parameter navigates to storing sub-units corresponding in first memory cell;
32) configuration information according to the father node parameter of storing in the described storing sub-units carries out the existence inspection to described father node parameter;
33) configuration information according to described child node parameter navigates to storing sub-units corresponding in first memory cell;
34) configuration information according to the child node parameter of storing in the described storing sub-units carries out the existence inspection to described child node parameter;
35) configuration information according to described resource parameters navigates to corresponding storing sub-units in first memory cell;
36) configuration information according to stored resource parameter in the described storing sub-units carries out the usability inspection to described resource parameters.
5, the method for inspection transmission channel collocation parameter according to claim 4 is characterized in that, also comprises step: second memory cell is set, is used to store the dependency information of described father node parameter and child node parameter.
6, the method for inspection transmission channel collocation parameter according to claim 5 is characterized in that, also comprises step after the step 3):
The configuration information of described child node parameter and the configuration information of resource parameters are saved in described storing sub-units;
The dependency information of described child node parameter and described father node parameter is saved in described second memory cell.
7, the method for inspection transmission channel collocation parameter according to claim 5 is characterized in that, described action type comprises deletion of node; The process of according to the configuration information and the described inspect-type of stored parameters in the described storing sub-units configuration parameter being checked in the step 3) is specially:
31) configuration information according to described parameter navigates to storing sub-units corresponding in first memory cell;
32) configuration information according to stored parameters in the described storing sub-units carries out the existence inspection to described parameter;
33) check according to the dependency information in second memory cell whether the deletion of node parameter is the father node parameter; If, check then whether described father node parameter exists the child node parameter, if there is the child node parameter, then do not allow to delete described node.
8, the method for inspection transmission channel collocation parameter according to claim 7 is characterized in that, when there is not the child node parameter in described father node parameter, step 33) after also comprise step:
Configuration information deletion with the parameter in the described storing sub-units;
Dependency information in described second memory cell of described deletion of node correspondence is deleted.
9, according to the method for any one described inspection transmission channel collocation parameter in the claim 5 to 8, it is characterized in that, also comprise step: the 3rd memory cell is set, is used to store the index identification information of storing sub-units described in first memory cell; The described process that navigates to corresponding storing sub-units in first memory cell of step 3) is specially:
In described the 3rd memory cell, search the index identification information of the storing sub-units in first memory cell of configuration information correspondence of described parameter;
Navigate to storing sub-units in described first memory cell according to described index identification information.
10, the method for inspection transmission channel collocation parameter according to claim 9 is characterized in that, also comprises step: upgrade described first memory cell, second memory cell and the 3rd memory cell.
11, the method for inspection transmission channel collocation parameter according to claim 10 is characterized in that, described step 2) before decomposing, also comprise step according to predetermined message format: parameter area and the bandwidth attribute of checking described configuration parameter.
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| EP1429567A1 (en) * | 2002-12-12 | 2004-06-16 | Nec Corporation | Improved OpenRAN architecture for Radio Network Controller, Mobile Communication System and method of controlling Radio Base Station device |
| CN1529959A (en) * | 2000-09-01 | 2004-09-15 | �����շ�������˹�� | System and method for measuring wireless device and network usage and performance metrics |
| CN1596001A (en) * | 2003-09-13 | 2005-03-16 | 华为技术有限公司 | User-oriented fault detection method for wireless network controller |
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| CN1196146A (en) * | 1995-08-16 | 1998-10-14 | 泰斯特瑞有限公司 | Network analysis system |
| CN1529959A (en) * | 2000-09-01 | 2004-09-15 | �����շ�������˹�� | System and method for measuring wireless device and network usage and performance metrics |
| EP1429567A1 (en) * | 2002-12-12 | 2004-06-16 | Nec Corporation | Improved OpenRAN architecture for Radio Network Controller, Mobile Communication System and method of controlling Radio Base Station device |
| CN1596001A (en) * | 2003-09-13 | 2005-03-16 | 华为技术有限公司 | User-oriented fault detection method for wireless network controller |
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