CN102457937A - Access method in heterogeneous network and equipment thereof - Google Patents
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- CN102457937A CN102457937A CN2010105141775A CN201010514177A CN102457937A CN 102457937 A CN102457937 A CN 102457937A CN 2010105141775 A CN2010105141775 A CN 2010105141775A CN 201010514177 A CN201010514177 A CN 201010514177A CN 102457937 A CN102457937 A CN 102457937A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Abstract
The invention discloses an access method in a heterogeneous network and equipment thereof. The method comprises the following steps: receiving demands of a user to different wireless access networks; collecting each wireless access network information; selecting the wireless network according to the demands of the user to the different wireless access networks and the each wireless access network information; accessing a user service to the selected wireless network according to a selection result of the wireless network selection. By using the method and equipment of the invention, a quality and an efficiency of network access can be improved.
Description
Technical field
The present invention relates to a kind of method for network access and equipment, cut-in method and equipment in particularly a kind of heterogeneous network.
Background technology
The target of future mobile communications is for anyone, any time, any place, carry out random information communication by any way, and any single wireless access technology all can not satisfy all users' demand.Therefore one of principal character of following mobile communications network is exactly various heterogeneous wireless network coexistences, and they replenish each other, seamless being integrated in the unified network environment, for the user provides immanent optimum business experience.But incident, in the hybrid network of many wireless access ways of this complicacy, how to integrate various access waies and form unified solution, and optimization utilize each Radio Resource to become challenging problem in the heterogeneous network.Especially for the multimode terminal of isomery,,, thereby make that the optimum user experience of mobile subscriber is a very complicated problems specific to how this selects network intelligently in the practical radio communication environment though it has a plurality of wave points.The isomery hybrid network that two kinds of wireless technologys of extensive application are formed in the for example actual engineering; Be third generation partner program (3rd Generation Partnership Project; Abbreviate 3GPP as) network and WLAN (Wireless Local Area Network; Abbreviate WLAN as) heterogeneous network formed of network; Original intention during the network designer planned network is provided the covering of low rate, wide area often by the 3GPP network, be that the user provides two-forty, focus to cover by wlan network.This need a kind ofly can satisfy service application, adaptive cut-in method is realized.And being signal quality according to each measured wireless network of terminal, prior art comes simply access network to be selected.That is to say; When heterogeneous terminals is in certain concrete network environment, it is ceaselessly measured each Radio Access Network signal that it can listen to, and the intensity or the quality of assessment measuring-signal; When sometime; Signal value from certain wireless network reaches predefined thresholding, or is superior to the present residing wireless network signal value of heterogeneous terminals to a certain degree, and heterogeneous terminals will be linked in this new wireless network and go so.Adopt existing method can not realize the covering original intention of front said design 3GPP and WLAN heterogeneous network, and ignored the user the demand of heterogeneous networks hobby and the demand of bearer service itself.
Summary of the invention
The objective of the invention is provides cut-in method and equipment in a kind of heterogeneous network in order to overcome the deficiency of prior art, and this method and apparatus can be met consumers' demand and service application, realizes that self adaptation inserts.
According to an aspect of the present invention, the cut-in method in a kind of heterogeneous network is provided, has comprised: received the demand of user the different radio access network; Collect each radio access network information; According to said user demand and said each radio access network information of different radio access network are selected wireless network; Selection result according to said selection wireless network inserts selected wireless network with customer service.
Further, said user comprises that to the demand of different radio access network the user is to the hobby of different radio access network and the demand of the required bearer service of user itself.
Further, said user sets the hobby of said user to the different radio access network through graphical user interface, and one of them representes said user with 3-7 level scaling law to the demand of different radio access network.
Further; Each radio access network information of said collection comprises: collect said each radio access network information of physical layer, link layer, said each radio access network information comprises signal strength signal intensity, frequency bandwidth, network delay, wireless system types, network operator information and combination thereof.
Further, saidly select wireless network step may further comprise the steps to the demand of different radio access network and said each radio access network information: the judgement matrix of setting up said each radio access network information according to said user; Use the judgement matrix result of said each radio access network information of user's request weights correction, the computing information entropy; The information entropy of said each wireless access wireless network is sorted, select the maximum wireless network of information entropy.
Further, said user's request weights relatively get the user preferences rank to the required bearer service of said user in twos.
Further, the said analytical method of demand and said each radio access network information of different radio access network being selected wireless network step employing level according to said user.
Further, said selection result according to said selection network step inserts selected wireless network step with customer service and may further comprise the steps: the interface of opening said wireless network; To said wireless network login, register the log-on message of said user terminal; Revise the network information in the terminal inner tabulation.
Further; Said selection result according to said selection network step inserts selected wireless network step with customer service and also comprises the step of breaking off with former network; Wherein, In the step that said and former network breaks off, remove registration message, this network of deletion in the terminal inner tabulation to former network transmission.
According to another aspect of the present invention; Access device in a kind of heterogeneous network is provided; Comprise the demand receiver module, insert adaptation module, mobile management module; Wherein: said demand receiver module: be used to receive the demand of user, and this demand is sent to said mobile management module to the different radio access network; Said access adaptation module: be used to collect each radio access network information and said each radio access network information is sent to said mobile management module; Receive the selection result of the wireless network of said mobile management module transmission, and carry out the selected wireless network of access according to said selection result; Said mobile management module: be used for according to the demand information that receives from said demand receiver module and each radio network information of receiving from said access adaptation module; Select said wireless network, and said selection result is sent to said access adaptation module.
Further, said demand receiver module comprises graphical user interface.
The cut-in method in the heterogeneous network of the present invention and the technical scheme of equipment independently accomplish the perception of network according to user's hobby, bearer service demand, radio network information and optimum access network is selected; Solved correlation technique and ignored the problem of user, improved the quality and the efficient of network insertion the demand of the demand of heterogeneous networks hobby and bearer service itself.
Description of drawings
Fig. 1 is according to the cut-in method flow chart in the heterogeneous network of the embodiment of the invention;
Fig. 2 selects the network flow chart of steps according to the cut-in method in the heterogeneous network of the embodiment of the invention;
Fig. 3 is according to the access device structure chart in the heterogeneous network of the embodiment of the invention.
Embodiment
With reference to figure 1, the cut-in method in a kind of heterogeneous network may further comprise the steps:
Step S101: receive the demand of user, comprise that the user is to the hobby of different radio access network and the demand of the required bearer service of user itself to the different radio access network.The user sets the hobby of user to the different radio access network through graphical user interface.Can adopt 3-7 level scaling law to represent the preference level of user to the different radio access network.Can be designated as equal, more by force, by force, very by force and definitely strong like 5 grades of scaling laws.User's preference level can be safeguarded and upgrade, and the mode that the cycle of both can having adopted triggers also can have when renewal to trigger in user preference information.The demand of the required bearer service of user itself can be used professional service quality (Quality of Service usually in engineering; Abbreviate QoS as) require representedly, specifically comprise and carry the needed band width in physical of this business, radio signal quality, service delay requirement etc.
Step S102: collect each radio access network information.Preferably, collect the radio access network information of the relevant switching of physical layer, link layer, comprise information such as signal strength signal intensity, frequency bandwidth, network delay, system types, network operator information, or their combination.
Step S103: demand and said each radio access network information of different radio access network are selected wireless network according to said user.Preferably, according to the user demand of different radio access network is selected optimum wireless network with each radio access network information; Particularly, as shown in Figure 2, to the required different bearer service of user the user is compared the preference level of different radio access network in twos, obtain the demand weights; Set up the judgement matrix of each network information, with the judgement matrix result of each network information of demand weights correction, computing information entropy.
For example user's hobby that network is used can use 5 kinds to judge tolerance: definitely by force, very by force, by force, strong, equate.Particularly, professional to the required different bearer of user, with user's relatively can characterize in twos to the preference level of different radio access network through following table 1:
Table 1
| User preference compares in twos | Value |
| Network i compares with network j and equates | D ij＝D ji＝4 |
| Network i compares by force with network j | D ij＝4+1，D ji＝4-1 |
| Network i compares by force with network j | D ij＝4+2，D ji＝4-2 |
| Network i compares very strong with network j | D ij＝4+3，D ji＝4-3 |
| Network i compares absolute strong with network j | D ij＝4+4，D ji＝4-4 |
Different bearer to the user is required is professional, and corresponding network preference degree contrast can be arranged; Travel through various combination, can obtain the user's request weights Q of each professional placement schemes:
(m=1..M, expression has M business, wherein i representes the professional placement schemes of i kind)
It is can estimate to the professional Qos demand of each item simultaneously and this business, the getable amount of information of user under certain network, used.For example, use p
MnObtainable amount of information when representing that professional m is carried on network n and goes up is set up the judgement matrix of all service bearers in the permutation and combination of heterogeneous networks
Utilize aforementioned user preference degree that the element in this judgement matrix is carried out weighting then, concrete method of weighting can be to multiply each other, take the logarithm and multiply each other etc.;
p′
mn＝f(Q，p
mn)
Obtain revised judgement matrix thus:
Next, from this judgement matrix, extract row number and row number m element all inequality, the combination of a m element of formation, a carrying scheme is promptly represented in this combination.The integrated information entropy S of this scheme be wherein every information entropy with.
In all schemes, the maximum scheme of integrated information moisture in the soil value promptly is that the optimum that we require carries scheme.Finally can obtain the integrated information entropy of each wireless network, it is sorted, select optimum wireless network.
More excellent ground can adopt analytic hierarchy process (AHP) to simplify the above-mentioned optimum carrying scheme process of asking.
The method of said step analysis is a kind ofly complicated problems is resolved into some simple relatively subproblems to handle, and then sums up the method for trying to achieve former problem optimum solution, and it often has application in optimization problem is found the solution.Specific to here for the access optimization selection of heterogeneous network; Exactly numerous objective factors is assigned to some levels step by step; Per minute goes out a level and is equivalent to reduce a variable, makes the complexity of problem reduce one-level, and the judgement of the bottom promptly is alternative solution.Which level is which objective factor assigned to is to carry out according to the determined significance level of subjective factor.Through analytic hierarchy process (AHP) the problem of finding the solution optimal solution of original complicated matrix successively is reduced to low dimension matrix and asks optimal solution to get problem, then, successively try to achieve separating of former challenge more iteratively.
The result that such selection is selected can compromise user preferences, business demand and network condition, dynamically select target makes the terminal possess the function of selecting access network intelligently.
Step S104: the selection result according to said selection wireless network inserts selected wireless network with customer service.Preferably, according to the selection result of selecting the network step carry out to the connecting moves of optimal network and with the off action of former network.Particularly, open optimum radio network interface,, insert optimum wireless network to the optimal network registration, synchronous with network cell, read the system broadcast message of this sub-district; The off action of execution and former network can perhaps only need be deleted this network and get final product through " going to register " message to the transmission of former sub-district simply in terminal inner is tabulated; And the network information in the tabulation of modification terminal inner.
With reference to figure 3, the access device in a kind of heterogeneous network comprises demand receiver module 1, mobile management module 2, inserts adaptation module 3.
Demand receiver module 1 as adopting user interface, receives the demand of user to the different radio access network, and demand comprises that the user is to the hobby of different radio access network and the demand of bearer service itself.The user can come the different radio access network is provided with preference level through graphical user interface 11, and one of them is represented specifically can to adopt 3-7 level scaling law.
Preferably, can utilize the information of 5 grades of scaling law scale user preferences, for example, adopt following 5 ranks to judge tolerance: equal, more by force, by force, very by force and definitely strong, in order to describe the otherness of user to two kinds of scheme preference informations.User's preference level can be safeguarded and upgrade, and the mode that the cycle of both can having adopted triggers also can have when renewal to trigger in user preference information.Demand receiver module 1 sends to mobile management module 2 with demand information.
Insert adaptation module 3; As adopt measurement module; Collect each radio access network information; Thereby to the terminal the available information list of Radio Access Network that is is provided, has comprised the adjacent networks of the various wireless access standards that the terminal is supported in this tabulation, and information such as signal strength signal intensity, frequency bandwidth, time delay, system types, network operator information are provided each adjacent networks.Each network information that access adaptation module 3 will be collected sends to mobile management module 2;
Mobile management module 2; As adopt processor and arithmetic unit, to the demand information of different radio access network with from inserting each radio network information that adaptation module 3 receives, select judging process according to the user who from demand receiver module 1, receives thereby trigger to insert; Calculate the information entropy of each wireless network; The information entropy of each wireless network is sorted, select optimum wireless network, and the result is sent to access adaptation module 3.
Insert that adaptation module 3 receives the selection result of the optimal network that mobile management modules 2 send and carry out and insert optimum wireless network according to selection result, specifically comprise to the connecting moves of optimal network and with the off action of former network.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (11)
1. the cut-in method in the heterogeneous network is characterized in that, comprising:
Receive the demand of user to the different radio access network;
Collect each radio access network information;
According to said user demand and said each radio access network information of different radio access network are selected wireless network;
Selection result according to said selection wireless network inserts selected wireless network with customer service.
2. the cut-in method in the heterogeneous network according to claim 1 is characterized in that, said user comprises that to the demand of different radio access network the user is to the hobby of different radio access network and the demand of the required bearer service of user itself.
3. the cut-in method in the heterogeneous network according to claim 2; It is characterized in that; Said user sets the hobby of said user to the different radio access network through graphical user interface, and one of them representes said user with 3-7 level scaling law to the demand of different radio access network.
4. the cut-in method in the heterogeneous network according to claim 1 is characterized in that, each radio access network information of said collection comprises:
Collect said each radio access network information of physical layer, link layer, said each radio access network information comprises signal strength signal intensity, frequency bandwidth, network delay, wireless system types, network operator information and combination thereof.
5. the cut-in method in the heterogeneous network according to claim 1 is characterized in that, saidly selects wireless network step may further comprise the steps according to said user to the demand of different radio access network and said each radio access network information:
Set up the judgement matrix of said each radio access network information;
Use the judgement matrix result of said each radio access network information of user's request weights correction, the computing information entropy;
The information entropy of said each wireless access wireless network is sorted, select the maximum wireless network of information entropy.
6. the cut-in method in the heterogeneous network according to claim 5 is characterized in that, said user's request weights relatively get the user preferences rank to the required bearer service of said user in twos.
7. according to the cut-in method in claim 1 or the 5 described heterogeneous networks, it is characterized in that the said analytical method of demand and said each radio access network information of different radio access network being selected wireless network step employing level according to said user.
8. the cut-in method in the heterogeneous network according to claim 1 is characterized in that, said selection result according to said selection network step inserts selected wireless network step with customer service and may further comprise the steps:
Open the interface of said wireless network;
To said wireless network login, register the log-on message of said user terminal;
Revise the network information in the terminal inner tabulation.
9. the cut-in method in the heterogeneous network according to claim 1; It is characterized in that; Said selection result according to said selection network step inserts selected wireless network step with customer service and also comprises the step of breaking off with former network, wherein, and in the step that said and former network breaks off; Remove registration message to former network transmission, this network of deletion in the terminal inner tabulation.
10. the access device in the heterogeneous network is characterized in that, comprise the demand receiver module, insert adaptation module, mobile management module, wherein:
Said demand receiver module: be used to receive the demand of user, and this demand is sent to said mobile management module to the different radio access network;
Said access adaptation module: be used to collect each radio access network information and said each radio access network information is sent to said mobile management module; Receive the selection result of the wireless network of said mobile management module transmission, and carry out the selected wireless network of access according to said selection result;
Said mobile management module: be used for according to the demand information that receives from said demand receiver module and each radio network information of receiving from said access adaptation module; Select said wireless network, and said selection result is sent to said access adaptation module.
11. the access device in the heterogeneous network according to claim 10 is characterized in that, said demand receiver module comprises graphical user interface.
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| CN201010514177.5A CN102457937B (en) | 2010-10-20 | 2010-10-20 | Cut-in method in a kind of heterogeneous network and equipment |
| PCT/CN2011/073099 WO2012051842A1 (en) | 2010-10-20 | 2011-04-20 | Accessing method and device in heterogeneous network |
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| CN102595559A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Access method and access device in heterogeneous network |
| CN103139877A (en) * | 2012-11-27 | 2013-06-05 | 东莞宇龙通信科技有限公司 | Network selection method based on hybrid networks and communication terminal |
| CN103581238A (en) * | 2012-07-27 | 2014-02-12 | 中兴通讯股份有限公司 | Unified service platform of ubiquitous network and service implementing method |
| CN104219782A (en) * | 2013-05-30 | 2014-12-17 | 中国电信股份有限公司 | Network access method and system |
| WO2015143786A1 (en) * | 2014-03-28 | 2015-10-01 | 中兴通讯股份有限公司 | Message transmission method and node device based on network selection and temporal arrangement |
| CN107040970A (en) * | 2017-04-14 | 2017-08-11 | 合肥酷庆信息科技有限公司 | A kind of mobile access terminal with network selection functional |
| CN107071815A (en) * | 2017-01-11 | 2017-08-18 | 平顶山天安煤业股份有限公司 | A kind of network selecting method in heterogeneous wireless network |
| CN108064052A (en) * | 2017-11-27 | 2018-05-22 | 全球能源互联网研究院有限公司 | A kind of service bearer method and system of isomery fusing wireless network |
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| CN102595559A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Access method and access device in heterogeneous network |
| CN103581238A (en) * | 2012-07-27 | 2014-02-12 | 中兴通讯股份有限公司 | Unified service platform of ubiquitous network and service implementing method |
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| Publication number | Publication date |
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| CN102457937B (en) | 2016-03-02 |
| WO2012051842A1 (en) | 2012-04-26 |
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Effective date of registration: 20201215 Address after: No.41, Miaoqiao Jiangjia village, Tangqiao town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Hou Ning Address before: 518057 No. 55 South Science and technology road, Shenzhen, Guangdong, Nanshan District Patentee before: ZTE Corp. |