CN104936232A - User tag based shunt method and system in 5G network - Google Patents
User tag based shunt method and system in 5G network Download PDFInfo
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- CN104936232A CN104936232A CN201510401562.1A CN201510401562A CN104936232A CN 104936232 A CN104936232 A CN 104936232A CN 201510401562 A CN201510401562 A CN 201510401562A CN 104936232 A CN104936232 A CN 104936232A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
Abstract
The invention relates to a user tag based shunt method and system in a 5G network, belonging to the technical field of communications. On the basis of a C-radio access network (C-RAN) architecture, a user tag is analyzed and extracted by a deep packet inspection (DPI) module, and a shunt strategy is deployed on an access network discovery and selection function (ANDSF), so as to realize WiFi shunt in a 5G complex heterogeneous network. The shunt method and system comprehensively consider three aspects of factors, namely, user preference, service requirements and network performances. For dense and complex distribution of WiFi in future 5G network and the heterogeneous network environment in which WiFi and 5G network are further fused, the method and system well solve the problem of WiFi shunt. The method and system mainly comprise a WiFi shunt trigger unit. An access point (AP) proactively reports or passively reports network state information. A DPI unit analyzes and acquires the user tag. The ANDSF executes the shunt strategy, ranks candidate WiFi, and starts the shunt switching process. The method and device can simultaneously satisfy service requirements and achieve the purpose of network resource dynamic match, improve the user quality of experience (QoE), balance network load, and realize benefit maximization of the user and network operators.
Description
Technical field
The invention belongs to communication technical field, relate to based on the shunt method of user tag and system in a kind of 5G network, the WiFi particularly based on C-RAN shunts, user tag method and system.
Background technology
Along with commercialization and the widespread deployment of 4G network, user can enjoy data service more and more at a high speed.The abundant application of mobile Internet, such as OTT, social networks, file download, real-time video etc., also have stimulated the use of user to mobile device (intelligent machine, panel computer etc.) further.According to the data on flows prediction address that Cisco issued in February, 2014, from 2013 to 2018, Mobile data flow can increase with the annual compound growth rate of 61%.Therefore, the downlink traffic load sharp increase of Cellular Networks, the live load of the network equipment increases greatly.Transmission link is congested, and the end to end link paths of data flow from the Internet to mobile terminal is longer, makes the propagation delay time longer, thus affects the experience of terminal use.
WiFi, with technical advantages such as its high bandwidth, low cost, flexibilities, becomes the shunting means of operator's prioritizing selection.Battalion business disposes WiFi network in indoor focus place, is formed mutually supplement with existing mobile communication system in-door covering, greatly can promote Consumer's Experience on the basis reducing equipment investment.Therefore, WiFi becomes the preferred option of operator's shunting.
5G network is a general Age of Technology, and adopts the network configuration of C-RAN possibly, is intended to allow user enjoy the various terminal traffics of high QoS.C-RAN can be good at Internet resources to concentrate process, maximum resource utilance.Cloud is following mobile network architecture trend.
In existing popular WiFi shunting scheme, be all based on multiattribute parameters such as RSS, user's current business, positions, judge that user is the need of being switched to other AP from existing cellular net or AP, thus complete shunting.But in the heterogeneous network of 5G complexity, simple multiattribute shunting mode decision scheme can not meet the demand of network and user completely.First, intensive networking is a key character of 5G, only judges very easily pingpang handoff to occur according to several parameter; Secondly, the business demand of user changes at any time, constantly reports UE state information to cause a large amount of signaling consumption, also can affect user perceptibility.The present inventor finds: this existing shunting scheme is not also suitable for 5G network characteristic, concerning operator, can not maximization network resource, and is mostly be in one " state of pipeline ".From the user point of view, when customer service changes, if current AP can not meet the demand of this business, user awareness can be caused poor, have impact on Consumer's Experience.After user tag is set, judges that user is about to the type of service used to a greater extent, better to candidate network prioritization, improve user awareness.
In addition, also do not have a kind of WiFi separate system at present for following 5G mobile communications network framework, therefore inventor is according to the development of mobile communication technology and evolution, proposes in a kind of prospective 5G network based on the shunt method of user tag and system.
Summary of the invention
In view of this, the object of the present invention is to provide based on the shunt method of user tag and system in a kind of 5G network, the method and system can provide better user awareness, improve the shunting scheme of user satisfaction, alleviate the pressure of core net further.
For achieving the above object, the invention provides following technical scheme:
Based on a shunt method for user tag in 5G network, specifically comprise:
1) when user meets triggering WiFi draining conditions, start to perform WiFi shunting;
2) local cloud platform DPI (deep-packet detection) unit extracts user tag, obtains the type of service that user may use, and arranges the weight factor of the business demand of being more close to the users;
3) UE reports parameter, comprises user's present type of service, dump energy, the direction of motion;
4) candidate AP reports current network state information, comprises current service number of users, available bandwidth, price, distance to user;
5) according to reporting parameter, utilizing fuzzy logic analysis method, the carrying out of candidate network is sorted, first select the highest AP of priority level to carry out shunting and switch, only have the candidate AP selecting suboptimum when the AP shunting that priority is the highest switches and do not have successful time again.
Further, in step, AP reports current network state information be divided into active reporting and passively report two kinds of patterns: described active reporting refers to that AP initiatively reports the state information such as offered load, number of users, available bandwidth, price of current AP to described local cloud platform; Described passive reporting refers to the mutual with AP of described local cloud land period, obtains AP network state; These two kinds of patterns can according to overall network loading condition choice for use, and as when offered load is lighter, and when current network state changes, can adopt active reporting, this mode can obtain up-to-date network state information; Passive report can accurate obtaining information in time, but more signaling consumption can be produced.
Present invention also offers the separate system based on user tag in a kind of 5G network, described separate system is made up of the local cloud platform of classification: local cloud platform is the nearest cloud platform of distance users, the WiFi access point AP of primary responsibility dispatching management some, realizes the management of Internet resources concentratedization; The 5G network architecture is made up of multistage local cloud platform; By optical fiber interconnections between adjacent local cloud platform, information interaction can be carried out.
Further, described local cloud platform comprises with lower module: WiFi shunts trigger element, DPI unit, ANDSF (access network discovery and selection function) functive;
Described WiFi shunts the function of trigger element mainly, when having detected that user please be connected to AP, according to reporting pattern, reports current network state information;
Described DPI unit realizes foundation and the acquisition of user tag, when user accesses AP or when the state information of current service user exceedes lowest threshold, obtains user tag, and is sent to ANDSF functive, as the input parameter of distributing strategy;
Described ANDSF functive realizes the generation of WiFi distributing strategy, and according to the state information of network and user, sorts, select optimum AP to shunt to candidate AP.
Further, described DPI unit is asked according to user, obtains request resource HOST, judges the request resource classification of user institute; According to user's Visitor Logs, draw user preference, user tag is set; The multiple label order of active user can change, when user roams into non-attribution this locality cloud platform, and need to the local cloud platform active reporting user tag providing service for it; After DPI unit gets user tag, report, as the important input parameter of distributing strategy to ANDSF.
Further, the distributing strategy of described ANDSF functive can adopt many algorithms to generate, and efficiently can process the uncertainty of complex parameters in heterogeneous network; Described ANDSF input parameter comprises user tag, UE state parameter, candidate network state parameter, and arranges corresponding weight factor; Described UE state parameter, mainly comprises user's present type of service, RSS, electricity, translational speed and directional information.
Further, the distributing strategy algorithm of described ANDSF functive adopts Fuzzy AHP, specifically comprises:
1) by user tag, the type of service that user is about to use at utmost is obtained in advance, instead of current use type of service, thus automatic adjustment operational authority repeated factor, improve user awareness;
2) input parameter is converted into grade, forms fuzzy logic set; Obtain fuzzy judgment set according to fuzzy deduction rule, obtain fuzzy set; Fuzzy set is input to the priority that Anti-fuzzy unit changes into candidate's WiFi network.
Beneficial effect of the present invention is: the present invention in conjunction with 5G by the growth requirement of " centered by user awareness ", propose the distributing strategy based on user tag, the target of business demand and Internet resources Dynamic Matching can be met simultaneously, improve user QoE, balance network load, realizes user and Virtual network operator benefit.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is the separate system schematic diagram based on user tag in 5G network of the present invention;
Fig. 2 is the shunt method flow chart based on user tag in 5G network of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is the separate system schematic diagram based on user tag in 5G network of the present invention, as shown in the figure, in order to meet future network and business demand, in the 5G network architecture of centralized classification C-RAN, realizes the lifting of Consumer's Experience under complicated heterogeneous network environment.This WiFi separate system is made up of the local cloud platform of classification:
1) local cloud platform is the nearest cloud platform of distance users, the WiFi access point AP of primary responsibility dispatching management some, realizes the management of Internet resources concentratedization;
2) the 5G network architecture is made up of multistage local cloud platform;
By optical fiber interconnections between adjacent local cloud platform, information interaction can be carried out.
In the present embodiment, described local cloud platform comprises with lower module: WiFi shunts trigger element, DPI unit, ANDSF functive;
Described WiFi shunts the function of trigger element mainly, when having detected that user please be connected to AP, according to reporting pattern, reports current network state information;
Described DPI unit realizes foundation and the acquisition of user tag, when user accesses AP or when the state information of current service user exceedes lowest threshold, obtains user tag, and is sent to ANDSF functive, as the input parameter of distributing strategy;
Described ANDSF functive realizes the generation of WiFi distributing strategy, and according to the state information of network and user, sorts, select optimum AP to shunt to candidate AP.
Described DPI unit is asked according to user, obtains request resource HOST, judges the request resource classification of user institute; According to user's Visitor Logs, draw user preference, user tag is set; The multiple label order of active user can change, when user roams into non-attribution this locality cloud platform, and need to the local cloud platform active reporting user tag providing service for it; After DPI unit gets user tag, report, as the important input parameter of distributing strategy to ANDSF.
The distributing strategy of described ANDSF functive can adopt many algorithms to generate, and efficiently can process the uncertainty of complex parameters in heterogeneous network; Described ANDSF input parameter comprises user tag, UE state parameter, candidate network state parameter, and arranges corresponding weight factor; Described UE state parameter, mainly comprises user's present type of service, RSS, electricity, translational speed and directional information.
The distributing strategy algorithm of described ANDSF functive adopts Fuzzy AHP, specifically comprises:
1) by user tag, the type of service that user is about to use at utmost is obtained in advance, instead of current use type of service, thus automatic adjustment operational authority repeated factor, improve user awareness;
2) input parameter is converted into grade, forms fuzzy logic set; Obtain fuzzy judgment set according to fuzzy deduction rule, obtain fuzzy set; Fuzzy set is input to the priority that Anti-fuzzy unit changes into candidate's WiFi network.
Fig. 2 is the shunt method flow chart based on user tag in 5G network of the present invention.
Based on the shunt method of user tag in 5G network of the present invention, specifically comprise:
1) when user meets triggering WiFi draining conditions, start to perform WiFi shunting;
2) local cloud platform DPI unit extracts user tag, obtains the type of service that user may use, and arranges the weight factor of the business demand of being more close to the users;
3) UE reports parameter, comprises user's present type of service, dump energy, the direction of motion;
4) candidate AP reports current network state information, comprises current service number of users, available bandwidth, price, distance to user;
5) according to reporting parameter, utilizing fuzzy logic analysis method, the carrying out of candidate network is sorted, first select the highest AP of priority level to carry out shunting and switch, only have the candidate AP selecting suboptimum when the AP shunting that priority is the highest switches and do not have successful time again.
In above-mentioned steps, AP reports current network state information be divided into active reporting and passively report two kinds of patterns: described active reporting refers to that AP initiatively reports the state information such as offered load, number of users, available bandwidth, price of current AP to described local cloud platform; Described passive reporting refers to the mutual with AP of described local cloud land period, obtains AP network state; These two kinds of patterns can according to overall network loading condition choice for use, and as when offered load is lighter, and when current network state changes, can adopt active reporting, this mode can obtain up-to-date network state information; Passive report can accurate obtaining information in time, but more signaling consumption can be produced.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (7)
1. in 5G network based on a shunt method for user tag, it is characterized in that:
1) when user meets triggering WiFi draining conditions, start to perform WiFi shunting;
2) local cloud platform DPI unit extracts user tag, obtains the type of service that user may use, and arranges the weight factor of the business demand of being more close to the users;
3) UE reports parameter, comprises user's present type of service, dump energy, the direction of motion;
4) candidate AP reports current network state information, comprises current service number of users, available bandwidth, price, distance to user;
5) according to reporting parameter, utilizing fuzzy logic analysis method, the carrying out of candidate network is sorted, first select the highest AP of priority level to carry out shunting and switch, only have the candidate AP selecting suboptimum when the AP shunting that priority is the highest switches and do not have successful time again.
2. in a kind of 5G network according to claim 1 based on the shunt method of user tag, it is characterized in that: in step, AP reports current network state information be divided into active reporting and passively report two kinds of patterns: described active reporting refers to that AP initiatively reports the state information such as offered load, number of users, available bandwidth, price of current AP to described local cloud platform; Described passive reporting refers to the mutual with AP of described local cloud land period, obtains AP network state; These two kinds of patterns can according to overall network loading condition choice for use, and as when offered load is lighter, and when current network state changes, can adopt active reporting, this mode can obtain up-to-date network state information; Passive report can accurate obtaining information in time, but more signaling consumption can be produced.
3. in a 5G network based on the separate system of user tag, it is characterized in that: described separate system is made up of the local cloud platform of classification: local cloud platform is the nearest cloud platform of distance users, the WiFi access point AP of primary responsibility dispatching management some, realizes the management of Internet resources concentratedization; The 5G network architecture is made up of multistage local cloud platform; By optical fiber interconnections between adjacent local cloud platform, information interaction can be carried out.
4. in a kind of 5G network according to claim 3 based on the separate system of user tag, it is characterized in that: described local cloud platform comprises with lower module: WiFi shunts trigger element, DPI unit, ANDSF functive;
Described WiFi shunts the function of trigger element mainly, when having detected that user please be connected to AP, according to reporting pattern, reports current network state information;
Described DPI unit realizes foundation and the acquisition of user tag, when user accesses AP or when the state information of current service user exceedes lowest threshold, obtains user tag, and is sent to ANDSF functive, as the input parameter of distributing strategy;
Described ANDSF functive realizes the generation of WiFi distributing strategy, and according to the state information of network and user, sorts, select optimum AP to shunt to candidate AP.
5. in a kind of 5G network according to claim 4 based on the separate system of user tag, it is characterized in that: described DPI unit is asked according to user, obtains request resource HOST, judge the classification of user institute request resource; According to user's Visitor Logs, draw user preference, user tag is set; The multiple label order of active user can change, when user roams into non-attribution this locality cloud platform, and need to the local cloud platform active reporting user tag providing service for it; After DPI unit gets user tag, report, as the important input parameter of distributing strategy to ANDSF.
6. in a kind of 5G network according to claim 5 based on the separate system of user tag, it is characterized in that: the distributing strategy of described ANDSF functive can adopt many algorithms to generate, and efficiently can process the uncertainty of complex parameters in heterogeneous network; Described ANDSF input parameter comprises user tag, UE state parameter, candidate network state parameter, and arranges corresponding weight factor; Described UE state parameter, mainly comprises user's present type of service, RSS, electricity, translational speed and directional information.
7. in a kind of 5G network according to claim 6 based on the separate system of user tag, it is characterized in that: the distributing strategy algorithm of described ANDSF functive adopts Fuzzy AHP, specifically comprises:
1) by user tag, the type of service that user is about to use at utmost is obtained in advance, instead of current use type of service, thus automatic adjustment operational authority repeated factor, improve user awareness;
2) input parameter is converted into grade, forms fuzzy logic set; Obtain fuzzy judgment set according to fuzzy deduction rule, obtain fuzzy set; Fuzzy set is input to the priority that Anti-fuzzy unit changes into candidate's WiFi network.
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| CN201510401562.1A CN104936232A (en) | 2015-07-08 | 2015-07-08 | User tag based shunt method and system in 5G network |
| PCT/CN2015/085751 WO2017004858A1 (en) | 2015-07-08 | 2015-07-31 | Subscriber tag-based shunting method and system in 5g network |
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| CN105979542A (en) * | 2016-04-18 | 2016-09-28 | 重庆邮电大学 | SDN (Software Defined Network) based WiFi shunting mechanism in 5G heterogeneous network |
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| CN109257775A (en) * | 2018-11-05 | 2019-01-22 | 温州职业技术学院 | A kind of separate system and method for 5G network user's label |
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| CN110381555A (en) * | 2019-08-12 | 2019-10-25 | 江苏传艺科技股份有限公司 | A kind of data transfer switch management system for 5G terminal |
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| CN105491627A (en) * | 2015-12-10 | 2016-04-13 | 南京理工大学 | Network selection optimization method for heterogeneous network |
| CN105704771A (en) * | 2016-03-24 | 2016-06-22 | 重庆邮电大学 | Modularization switching method base on load balancing and QoS in heterogeneous network |
| CN105704771B (en) * | 2016-03-24 | 2019-05-10 | 重庆邮电大学 | Modularization switching method in heterogeneous network based on load balancing and QoS |
| CN105979542A (en) * | 2016-04-18 | 2016-09-28 | 重庆邮电大学 | SDN (Software Defined Network) based WiFi shunting mechanism in 5G heterogeneous network |
| CN105979542B (en) * | 2016-04-18 | 2019-06-07 | 重庆邮电大学 | WiFi separate system and method based on SDN in a kind of 5G heterogeneous network |
| CN110024340A (en) * | 2016-10-25 | 2019-07-16 | 极进网络公司 | It predicts to carry out approaches uniformity load balance in visibility network via using |
| CN110024340B (en) * | 2016-10-25 | 2021-10-15 | 极进网络公司 | Near-uniform load balancing in visibility networks via use of prediction |
| 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 |
| CN109257775A (en) * | 2018-11-05 | 2019-01-22 | 温州职业技术学院 | A kind of separate system and method for 5G network user's label |
| CN110213731A (en) * | 2019-04-29 | 2019-09-06 | 中国科学院计算技术研究所 | A kind of group of subscribers network selecting method and system based on intelligent pricing |
| CN110381555A (en) * | 2019-08-12 | 2019-10-25 | 江苏传艺科技股份有限公司 | A kind of data transfer switch management system for 5G terminal |
| WO2021159251A1 (en) * | 2020-02-10 | 2021-08-19 | Nokia Technologies Oy | Devices, methods, apparatus and computer readable storage media for service management in a communication system |
| CN111669785A (en) * | 2020-06-17 | 2020-09-15 | 三明学院 | Mobile data distribution method of heterogeneous wireless network based on campus network |
| CN111669785B (en) * | 2020-06-17 | 2022-05-03 | 三明学院 | Mobile data distribution method of heterogeneous wireless network based on campus network |
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| WO2017004858A1 (en) | 2017-01-12 |
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