CN100490554C - Network optimization method and its system - Google Patents
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Abstract
The related network optimization method comprises: taking congestion control to RNC and Iub interface of BS to obtain the congestion statistics message of Iub interface and optimize the network. Wherein, the statistics message comprises: the congestion time, time length, speed- reduced business, and corresponding terminal number.
Description
Technical field
The present invention relates to the communications field, particularly network optimization technology.
Background technology
Along with mobile communication rapid development, network size constantly enlarges in recent years, and number of users rises rapidly.And along with the development of new technology, the class of business of opening on the network of each system is also more and more, not only comprises voice service, also will open value-added service projects such as wireless data, image, develops to the multimedia direction.
Because the increase of number of users, the variation of class of business, in addition also may be because the variation of the propagation conditions that jolts that urban construction etc. cause, all need network is optimized continuously, to get rid of the various faults that constantly occur in the network, optimize the Internet resources configuration, improve network operation performance, guaranteeing service quality, thereby make network be in best running status all the time.The network optimization is under the prerequisite of abundant awareness network running status, by various technological means, irrational part in the network is carried out necessary adjustment, make network reach the process of optimized operation state, the effect of the network optimization has directly determined the service that can the user obtain to expect.
Network optimization work is exactly to pinpoint the problems in the process of the continuous every technical data of monitoring network, and the network equipment, parameter are adjusted at the problem of being found, make the performance index of network reach optimum state, bring into play network capabilities to greatest extent, improve the average service quality of network.Operator often according to the measurement of various performance index, comes monitor network ruuning situation when setting up and safeguarding commercial network, adjust business, optimizes network and decision networks dilatation, improves networks efficiency.
At present, some protocol description various performance monitorings of network side and adjust professional method and principles.Its basic process is: at first miscellaneous service is measured, according to measurement result this business is adjusted then, the object of measuring has Radio Resource control (Radio Resource Control, being called for short " RRC ") process, RAB (Radio Access Bearer is called for short " RAB ") process, signaling connect and set up between process, soft switching process, direct-cut operation, transition process, system handoff procedure etc.Operator adjusts processing according to the measurement result of above-mentioned measuring object to corresponding business.But the present inventor finds that the congestion situation of network system efficient, network capacity and Iub interface is closely related, but in present network optimization scheme, does not relate to the congestion situation of Iub interface.
Summary of the invention
The technical problem underlying that embodiment of the present invention will solve provides a kind of network optimized approach and system thereof, makes network more effectively to be optimized.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of network optimized approach, comprise following steps:
By the Iub interface between radio network controller (RNC) and the base-station node is carried out congested control, obtain the congested statistical information of Iub interface;
Congested statistical information according to Iub interface is optimized network, wherein, according to type of service the congested statistical information of described Iub interface is carried out statistic of classification, according to the congested statistical information of the described Iub interface of statistic of classification network is optimized.
Embodiments of the present invention also provide a kind of network optimization system, comprise:
Control module is used for the Iub interface between RNC and the base-station node is carried out congested control;
The information acquisition module is used for according to control module the congested statistical information of Iub interface is obtained in the congested control that Iub interface carries out;
Optimal module, the congested statistical information that is used for the Iub interface that obtains according to the information acquisition module is optimized network, wherein, according to type of service the congested statistical information of described Iub interface is carried out statistic of classification, network is optimized according to the congested statistical information of the described Iub interface of statistic of classification.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
To radio network controller (Radio Network Controller, be called for short " RNC ") and base-station node between Iub interface carry out congested control, obtain the congested statistical information of Iub interface according to the congested control of carrying out, and network is optimized according to the congested statistical information of Iub interface.Because the congestion situation and the network system efficient of Iub interface, network capacity is closely related, be to estimate Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, abbreviation " WCDMA ") important indicator of the stability of a system, therefore, congested statistical information according to Iub interface is carried out the network optimization, for the network optimization provides a kind of more effective mode, for the decision networks dilatation provides strong foundation.
Description of drawings
Fig. 1 is the network optimized approach flow chart according to first embodiment of the invention;
Fig. 2 is the congested control flow chart according to Iub interface in the network optimized approach of first embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below in conjunction with accompanying drawing.
First execution mode of the present invention relates to network optimized approach, and its flow process as shown in Figure 1.
In step 110, network side obtains the congested statistical information of Iub interface by the Iub interface between RNC and the base-station node is carried out congested control.Specifically, network side can obtain the congested statistical information of Iub interface by the congested control flow that Iub interface is carried out as shown in Figure 2, and the congested control flow to the Iub interface in the present embodiment describes below.
As shown in Figure 2, in step 210, network side carries out period measurement to the load of Iub interface, that is to say the bandwidth of the current use of network side period measurement Iub interface.
Then, enter step 220, network side judges whether Iub interface congestion situation occurs.Specifically, measure the bandwidth of the current use of Iub interface when network side after, whether the bandwidth of judging current use is greater than presetting thresholding, if the bandwidth of judging current use illustrates then that greater than presetting thresholding congestion situation has appearred in Iub interface, enters step 230, if the bandwidth of judging current use is smaller or equal to presetting thresholding, illustrate that then congestion situation does not appear in Iub interface as yet, get back to step 210, continue period measurement is carried out in the load of Iub interface.
This presets thresholding can be a rate value, such as, after network side measures the bandwidth of the current use of Iub interface, Iub interface utilized bandwidth is obtained the utilization rate of Iub interface bandwidth divided by the total bandwidth of Iub interface configuration, if should be worth greater than predetermined rate value, then the congestion situation of Iub interface has appearred in explanation, enter step 230, otherwise, get back to step 210, continue period measurement is carried out in the load of Iub interface.
In step 230, the terminal that network side is selected to carry out the type of service of reduction of speed and received this type of service is carried out professional reduction of speed.Specifically, the type of service that the selection of network side elder generation can reduction of speed is as Best-Effort service (Best Effort Service is called for short " BE ") or adaptive multi-rate (AdaptiveMulti-Rate is called for short " AMR ") business.Then, again according to the terminal of type of service this type of service of selective reception in the sub-district of selecting, to the terminal carrying out service reduction of speed of selecting.
Then, enter step 240, network side judges whether the congestion situation of Iub interface is alleviated after to the terminal carrying out service reduction of speed of selecting.If alleviated, then get back to step 210, continue period measurement is carried out in the load of Iub interface; If do not alleviated as yet, then get back to step 230, continue to select to carry out the type of service of reduction of speed and the terminal of this type of service of reception, carry out professional reduction of speed.
This shows,, can obtain the congested statistical information of Iub interface, as the type of service of the congested duration of the times of congestion of Iub interface, Iub interface, reduction of speed, carry out the terminal number of professional reduction of speed etc. by congested control to Iub interface.Such as, when congested generation and relieve congestion, can add up times of congestion by the accumulative total method of measurement, by the dynamic variable method of measurement congested duration is added up, obtain the times of congestion of Iub interface and the congested duration of Iub interface; When carrying out professional reduction of speed, by the accumulative total method of measurement terminal of selecting is added up, obtain carrying out the terminal number of professional reduction of speed.Wherein, the times of congestion of Iub interface can be divided into the real time business passage times of congestion of Iub interface and the non-real-time service passage times of congestion of Iub interface; The congested duration of Iub interface can be divided into the congested duration of real time business passage of Iub interface and the congested duration of non-real-time service passage of Iub interface.And, can further add up the maximum of the mean value of congested duration, congested duration, the minimum value of congested duration etc.The terminal number of carrying out professional reduction of speed also can be divided into the terminal number of the professional reduction of speed of BE and the terminal number of the professional reduction of speed of AMR.
Respectively the measuring process and the meaning thereof of above-mentioned each congested statistical information is introduced below.
(1) real time business passage times of congestion: adopt the accumulative total method of measurement, respectively the Iub interface in RNC and each base-station node is added up, by in a period of time, the congested number of times of real time business passage being added up, can embody the network service whether problem is arranged, and handle according to congestion cause, in order in time adjusting, optimize network.
(2) non-real-time service passage times of congestion: adopt the accumulative total method of measurement, respectively the Iub interface in RNC and each base-station node is added up, by in a period of time, the congested number of times of non-real-time service passage being added up, can embody the network service whether problem is arranged, and handle according to congestion cause, in order in time adjusting, optimize network.
(3) the terminal number of the professional reduction of speed of BE: adopt the accumulative total method of measurement, respectively the Iub interface in RNC and each base-station node is added up, by in a period of time, adding up to receiving BE terminal number professional and the professional reduction of speed of process BE, can embody the network service whether problem is arranged, if the terminal number that counts on is greater than presetting thresholding, illustrate that then current cell load transships, need attract great attention and take corresponding network adjustment, in order in time adjusting, optimize network.
(4) the terminal number of the professional reduction of speed of AMR: adopt the accumulative total method of measurement, respectively the Iub interface in RNC and each base-station node is added up, by in a period of time, adding up to receiving AMR terminal number professional and the professional reduction of speed of process ARM, can embody the network service whether problem is arranged, if the terminal number that counts on is greater than presetting thresholding, then the terminal that receives the AMR business is carried out access control, optimize network.
(5) the congested duration of real time business passage: adopt the variable method of measurement, respectively the Iub interface in each base-station node is added up, by in a period of time, real time business passage congestion time length being measured, calculate the mean value of congested duration, maximum and minimum value.By the congested duration of statistics real time business passage, can obtain the general status of Iub interface congestion condition in the network, when average congestion time is very long, can make operator that network is adjusted optimization, as dilatation corresponding service channel etc.
(6) the congested duration of non-real-time service passage: adopt the variable method of measurement, respectively the Iub interface in each base-station node is added up, by in a period of time, non-real-time service passage congestion time length being measured, calculate the mean value of congested duration, maximum and minimum value.By the congested duration of statistics non-real-time service passage, can obtain the general status of Iub interface congestion condition in the network, when average congestion time is very long, can make operator that network is adjusted optimization, as dilatation corresponding service channel etc.
Certainly, network side can also be added up other congestion information of Iub interface, does not exemplify one by one at this.This shows, each congested statistical information for network use and adjustment provides more effective foundation, thereby improved the service efficiency of wireless access network, be the network optimization, the network capacity extension provides important means.
When network side by Iub interface is carried out congested control, obtain the congested statistical information of Iub interface after, enter step 120, network side carries out the network optimization according to the congested statistical information of the Iub interface that obtains.Such as, if the congested duration of real time business passage, illustrates then that operator should increase the bandwidth of real time business passage greater than presetting thresholding; If the congested duration of Iub interface is greater than presetting thresholding, and the terminal number of carrying out professional reduction of speed is less than predetermined value, be that congestion time is long, but the action of carrying out professional reduction of speed is carried out seldom again, illustrate that the congested control device of Iub interface has problem (carrying out reduction of speed etc. less than terminal as choosing), should carry out control corresponding to the access of terminal this time, such as, reduce to allow the terminal number that inserts in the Preset Time, with the service quality of the terminal that guarantees to have inserted.
Because the congestion situation and the network system efficient of Iub interface, network capacity is closely related, it is an important indicator estimating the WCDMA stability of a system, therefore, in the present embodiment, congested statistical information according to Iub interface is carried out the network optimization, for the network optimization provides a kind of more effective mode, for the decision networks dilatation provides strong foundation.
Second execution mode of the present invention relates to network optimized approach, the present embodiment and first execution mode are roughly the same, its difference is, in the present embodiment, network side further carries out statistic of classification according to type of service to the congested statistical information of Iub interface, such as, type of service is divided into four classes: session service type, stream type of service, interactive service type, background service type, add up respectively at the type of service of each class.So that for operator provides the dissimilar business situation that influences to network, thereby provide foundation for operator's adjustment business.
The 3rd execution mode of the present invention relates to network optimization system, comprises: control module is used for the Iub interface between RNC and the base-station node is carried out congested control; The information acquisition module is used for according to this control module the congested statistical information of Iub interface is obtained in the congested control that Iub interface carries out; Optimal module, the congested statistical information that is used for the Iub interface that obtains according to this information acquisition module is optimized network.
Wherein, control module further comprises: measure submodule, be used to measure the bandwidth of the current use of Iub interface; Judge submodule, be used to judge that whether the bandwidth of current use is greater than presetting thresholding; The chooser module is used for prescribing a time limit greater than preset gate in the bandwidth of current use, the terminal of selecting to carry out the type of service of reduction of speed and receiving this type of service; The reduction of speed submodule is used for selected terminal carrying out service reduction of speed.Control module is carried out congested control by comprising above-mentioned submodule.
Therefore, the congested control of Iub interface being carried out by control module, the information acquisition module is again by accumulative total method of measurement and/or dynamic variable method of measurement, the congested statistical information of the Iub interface that can get access to have congested duration, the reduction of speed of times of congestion, the Iub interface of Iub interface type of service, carry out the terminal number of professional reduction of speed etc., for network use and adjustment provides effective foundation, thereby improved the service efficiency of wireless access network, be the network optimization, the network capacity extension provides important means.
Optimal module in the present embodiment can be in the following manner be optimized network according to the congested statistical information of Iub interface: if the congested duration of Iub interface then carries out dilatation to Traffic Channel greater than presetting thresholding; If the congested duration of Iub interface is greater than presetting thresholding, and the terminal number of carrying out professional reduction of speed is less than predetermined value, then reduces to allow the terminal number that inserts in the Preset Time.For the optimization of network provides concrete execution mode.
Need to prove that each module in the present embodiment is logic module, various physics realization mode can be arranged.
In sum, in embodiments of the present invention, the Iub interface between RNC and the base-station node is carried out congested control, obtain the congested statistical information of Iub interface, and network is optimized according to the congested statistical information of Iub interface according to the congested control of carrying out.Because the congestion situation and the network system efficient of Iub interface, network capacity is closely related, it is an important indicator estimating the WCDMA stability of a system, therefore, congested statistical information according to Iub interface is carried out the network optimization, for the network optimization provides a kind of more effective mode, for the decision networks dilatation provides strong foundation.
It is one of following that the congested statistical information of Iub interface comprises at least: the congested duration of the times of congestion of Iub interface, Iub interface, the type of service of reduction of speed, the terminal number of professional reduction of speed of carrying out, for network use and adjustment provides more effective foundation, thereby improved the service efficiency of wireless access network, be the network optimization, the network capacity extension provides important means.
By accumulative total method of measurement and/or dynamic variable method of measurement, can measure in the RNC and the congestion situation of Iub interface in each base-station node, thereby embody network operation performance general status, in time find the anomaly of network, so that optimize and revise network.
According to type of service the congested statistical information of Iub interface is carried out statistic of classification, type of service comprises one of following or its combination in any: session service type, stream type of service, interactive service type, background service type.Can be for operator provide the dissimilar business situation that influences to network, thus foundation provided for operator's adjustment business.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (12)
1. a network optimized approach is characterized in that, comprises following steps:
By the Iub interface between radio network controller (RNC) and the base-station node is carried out congested control, obtain the congested statistical information of Iub interface;
Congested statistical information according to described Iub interface is optimized network, wherein, according to type of service the congested statistical information of described Iub interface is carried out statistic of classification, according to the congested statistical information of the described Iub interface of statistic of classification network is optimized.
2. network optimized approach according to claim 1 is characterized in that, described congested control comprises following steps:
Measure the bandwidth of the current use of Iub interface, if the bandwidth of current use is greater than presetting thresholding, the terminal of then selecting to carry out the type of service of reduction of speed and receiving this type of service is to selected terminal carrying out service reduction of speed.
3. network optimized approach according to claim 2 is characterized in that, described type of service of carrying out reduction of speed is Best-Effort service and/or adaptive multi-rate service.
4. network optimized approach according to claim 2 is characterized in that, described congested statistical information comprises one of following or its combination in any:
The congested duration of the times of congestion of Iub interface, Iub interface, the type of service of reduction of speed, the terminal number of professional reduction of speed of carrying out.
5. network optimized approach according to claim 4 is characterized in that, the times of congestion of described Iub interface comprises: the non-real-time service passage times of congestion of the real time business passage times of congestion of Iub interface and/or Iub interface;
The congested duration of described Iub interface comprises: the congested duration of real time business passage of Iub interface and/or the congested duration of non-real-time service passage of Iub interface.
6. network optimized approach according to claim 4 is characterized in that, the congested statistical information according to described Iub interface is optimized network in the following manner:
If the congested duration of described Iub interface then carries out dilatation to Traffic Channel greater than presetting thresholding; And/or
If the congested duration of described Iub interface is greater than presetting thresholding, and the terminal number of carrying out professional reduction of speed is less than predetermined value, then reduces to allow the terminal number that inserts in the Preset Time.
7. network optimized approach according to claim 4 is characterized in that, obtains the described terminal number of professional reduction of speed and the times of congestion of Iub interface of carrying out by the accumulative total method of measurement; And/or
Obtain the congested duration of described Iub interface by the dynamic variable method of measurement;
It is one of following that the congested duration of described Iub interface comprises at least: the minimum value of the mean value of congested duration, the maximum of congested duration, congested duration.
8. according to each described network optimized approach in the claim 1 to 7, it is characterized in that described type of service comprises one of following or its combination in any: session service type, stream type of service, interactive service type, background service type.
9. a network optimization system is characterized in that, comprises:
Control module is used for the Iub interface between RNC and the base-station node is carried out congested control;
The information acquisition module is used for according to described control module the congested statistical information of Iub interface is obtained in the congested control that described Iub interface carries out;
Optimal module, the congested statistical information that is used for the Iub interface that obtains according to described information acquisition module is optimized network, wherein, according to type of service the congested statistical information of described Iub interface is carried out statistic of classification, network is optimized according to the congested statistical information of the described Iub interface of statistic of classification.
10. network optimization system according to claim 9 is characterized in that, described control module is carried out described congested control by comprising following submodule:
Be used to measure the submodule of the bandwidth of the current use of Iub interface;
Be used to judge that whether the bandwidth of current use is greater than the submodule that presets thresholding;
Be used for prescribing a time limit greater than preset gate the submodule of selecting to carry out the type of service of reduction of speed and receiving the terminal of this type of service in the bandwidth of current use;
Be used for submodule to selected terminal carrying out service reduction of speed.
11. network optimization system according to claim 10 is characterized in that, described congested statistical information comprises one of following or its combination in any:
The congested duration of the times of congestion of Iub interface, Iub interface, the type of service of reduction of speed, the terminal number of professional reduction of speed of carrying out.
12. network optimization system according to claim 11 is characterized in that, described optimal module is optimized network according to the congested statistical information of described Iub interface in the following manner:
If the congested duration of described Iub interface then carries out dilatation to Traffic Channel greater than presetting thresholding; And/or
If the congested duration of described Iub interface is greater than presetting thresholding, and the terminal number of carrying out professional reduction of speed is less than predetermined value, then reduces to allow the terminal number that inserts in the Preset Time.
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| US9077479B2 (en) * | 2008-09-08 | 2015-07-07 | Verizon Patent And Licensing Inc. | Method and system for adjusting network interface metrics |
| CN102014408A (en) * | 2010-12-16 | 2011-04-13 | 北京拓明科技有限公司 | Data service flow and cell reelection-based mobile network analysis method |
| CN103188691B (en) * | 2011-12-29 | 2016-04-27 | 中国移动通信集团河北有限公司 | A kind of method and system of expansion CCCH dilatation of wireless area |
| CN105099940B (en) * | 2014-05-05 | 2020-08-04 | 中兴通讯股份有限公司 | Queue management method and device |
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Effective date of registration: 20211223 Address after: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: HUAWEI TECHNOLOGIES Co.,Ltd. Address before: 200121 No. 615 Nanjing Road, Shanghai, Pudong New Area Patentee before: SHANGHAI HUAWEI TECHNOLOGIES CO.,LTD. Effective date of registration: 20211223 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |