CN100471329C - Method and system for sensing user end access style in core network - Google Patents
Method and system for sensing user end access style in core network Download PDFInfo
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Abstract
The invention relates to a method for making corn network sense user access type, wherein at the access network node, it reports user access type to the corn network node, to make the corn network node sense user access technique. And the invention provides a relative system which comprises user terminal, access network node, corn network node, while the access network node comprises state refresh request receiver and user access technique type reporter; the state refresh request receiver receives the user state refresh request; the reporter reports the user access technique type to the corn network node. The invention has high reliability and compatibility.
Description
Technical field
The present invention relates to wireless communication technique, particularly relate to a kind of method and system of realizing core net sensing user end access technology type.
Background technology
Following network will be multiple user side access technology (RAT) and the network deposited, as the Access Network GERAN of GSM, and the access way of the land radio access web of WCDMA (UTRAN), wireless lan (wlan) and following LTE access network.Under with a kind of access network system, can also be divided into plurality of access modes, as high-speed down data access (HSDPA) mode of WCDMA.Wireless core network of future generation needs compatible multiple RAT simultaneously, and the user can utilize multimode terminal and to realize service access in multiple access network roaming.Network needs to understand the RAT of the current employing of user in user's access or when initiating service request, so that follow-up business is handled, handles, charges and handle or the like as carry out different roaming processing, QoS according to the difference of RAT.Therefore core net is a primary demand of next generation network evolution (SAE) to the perception of the RAT of user's employing.
See also Fig. 1, in the 3GPP existing standard, relevant core net is obtained the prior art of the current RAT of user by judging user side access interface type.Its flow process comprises: mobile station MS reports " activation context request " message to Serving GPRS Support Node (SGSN); SGSN is according to APN, selection can provide the Gateway GPRS Support Node (GGSN) of FA function, and to this GGSN send " create the PDP Context request ' message, and with the RAT type of the current use of user as the " new argument in the establishment PDP Context request information that is sent; Accept PDP Context as GGSN and set up request, SGSN sends out " activating PDP Context accepts " message to terminal.Described SGSN, GGSN are core net inter-process unit.
See also Fig. 2 because the RAT type of because users such as switchings changes, SGSN report include the current use of user RAT type " renewal PDP Context request information, core net node obtains the RAT type of the wherein current use of user.
In above-mentioned prior art, realization in the flow process is a fixed configurations, generally, 2G interface acquiescence access technology is that the message that GSM inserts, the 3G interface transmits is defaulted as the WCDMA access, SGSN judges the concrete access technology that the user adopts according to the interface type that the user inserts SGSN, for example, the business that inserts by Gb Interface is defaulted as user side and has adopted common GSM channel, and the business that inserts by the lu interface is defaulted as and adopts common UTRAN channel; But, (for example, by identical Gb Interface, user side can adopt common GSM channel to insert when multiple different access technology is shared a kind of interface, in the time of also can inserting by the EDGE channel), core net just can't judge which access technology user side has adopted by interface type.Further, in a kind of Access Network system, also can provide plurality of access modes, high-speed down data as WCDMA inserts (HSDPA) mode and wireless lan (wlan), owing in same WCDMA Access Network system, there is multiple different access technology type, cause the core net can't sensing user end access technology type.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and system of sensing user end access style in core network, makes the core net can be in time and accurately know the access technology type of user side.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions:
A kind of method of sensing user end access style in core network comprises step: (1) access network node receives the state update request that user side sends; (2) access network node obtains the access technology type of the current use of described user side; (3) access network node report of user termination is gone into the type of skill to core net node.
Preferably, described state update request be that user side adheres to, position updating request and service access request.
Further, described step (3) is specially access network node and by Initial UE Message message or Direct Transfer message user side access technology type is carried and report to core net.
Preferably, described state update request is the user side service request, and described step (3) is specially access network node and reports the allocation of radio resources response message that includes user side access technology type.
Preferably, described state update request is that access network node switches, and described step (3) is specially access network node and reports the switching that includes user side access technology type to finish indication.
Further, described access network node switches the switching that is specially the inner generation of access network node, and described step (3) is specially access network node and reports the switching that includes user side access technology type to report Indication message.
Further, described access network node switching is specially the switching that takes place between different access network nodes or core net node, described step (3) is specially by the purpose access network node and reports the switching that includes user side access technology type to prepare response message to the purpose core net node.
The invention provides a kind of system of sensing user end access style in core network, comprise user side, access network node unit, core net node unit, described access network node unit comprises that state update request receiving element and user side access technology type report the unit; Described state update request receiving element is used to receive user side state update request, described user side access technology type reports the unit to be used to obtain the access technology type of the current use of described user side, and the report of user termination is gone into the type of skill to the core net node unit.
Preferably, the state update request that described state update request receiving element receives is that user side adheres to, position updating request and service access request, and described user side access technology type reports the unit to be used to report to include user side access technology kind of message to the core net node unit.
Preferably, the state update request that described state update request receiving element receives is the user side service request, and described user side access technology type reports the unit to report to include the allocation of radio resources response message of user's access technology type.
Preferably, the state update request that described state update request receiving element receives is that access network node switches, and described user side access technology type reports the unit to be used to report to include the switching of user side access technology type to finish indication.
Further, described access network node switches and is specially the inner switching that takes place of access network node, and user side access technology type reports the unit to be used to report to include the switching of user side access technology type to report Indication message.
Further, described access network node switching is specially the switching that takes place between different access network nodes or core net node, the user side access technology type in the purpose access network node unit reports the unit to report " switch and prepare response message " that includes user's access technology type to purpose core net node unit.
Above technical scheme as can be seen, at first, the present invention utilizes access network node to report the active user to hold the access technology type of using, even an access network node can be supported many middle RAT types simultaneously, perhaps with existing under a kind of Access Network system under the different situations such as RAT type, core net still can obtain the RAT type that the active user holds use, does not influence follow-up related service.Overcome and to have leaned on core net self to judge the drawback of RAT type in original mechanism, thereby adapted to the demand that access network technology develops.
Secondly, the present invention is based on improvement, promptly go into the type of skill to core net node, realized the perception of core net node user side access technology type by access network node report of user termination to existing access function that access network node possesses.For example, when described user side service request, access network node utilizes the allocation of radio resources response message that user side access technology type information is carried and report to core net node.Thereby the present invention has higher compatibility, reliability and practicality.
Description of drawings
Fig. 1 is a prior art user side access network flow chart;
Fig. 2 switches the generation flow chart for prior art;
Fig. 3 is the inventive method flow chart;
Fig. 4 is a user side network access method flow chart of the present invention;
Fig. 5 is a wireless resource allocation methods flow chart of the present invention;
Fig. 6 is the inner changing method flow chart of invention access network node;
Fig. 7 participates in switching flow figure for core net of the present invention;
Fig. 8 is the access network node function unit figure.
Embodiment
Core of the present invention is to report the user side access technology type that is included in the system message by access network node to core net node, and core net receives message and obtains wherein user side access technology type.
In order further to understand the present invention, below will set forth explanation by related embodiment.
Seeing also Fig. 3, is method flow diagram of the present invention, and based on above-mentioned core concept, the inventive method is:
(1) user side transmit status update request;
(2) access network node report of user termination is gone into the type of skill to core net node.
Fig. 4 adheres at user side, and the flow chart when position updating request or service access request with reference to this figure, below further specifies preferred embodiment of the present invention.
During the user side access network and the message interaction process between access network node and the core net node, concrete reaction user side adheres to, when position updating request or service access request, access network node report of user termination is gone into the flow chart of the type of skill, comprises user side 110, access network node 120, core net node 130.
Wireless channel is that the qos requirement that access network node sends in " channel assignment order " according to core net is distributed wireless channel, QoS has defined different relevant informations such as speed, and access network node can distribute IA High Speed Channel and common access channel according to qos requirement.According to the existing message passing mechanism of WCDMA, network attachment message, location update message and the business request information of user side are NAS message, described NAS message is represented Non Access Stratum, non-access layer information, the signaling message of expression user side access network, it has comprised network attachment information, location updating message and the service requesting information of user side; After user side 110 is sent to RNC (wireless network control apparatus) with NAS message, will be as NAS-PDU, be included in that accessed network node 120 sends to core net node 130 in the Initial UE Message message of RANAP or the Direct Transfer message.The RAT type that core net node 130 carries according to message determines that the active user holds the access technology type of use.Described Initial UE Message message or Direct Transfer message also comprise some extraneous informations, such as: LAI, RAC that user side is current or the like.
Please continue to consult Fig. 5, be when user side sends service request, the embodiments of the invention flow chart.
This figure has described the allocation of radio resources flow process to reporting the support of RAT type.Usually network is by user side reporting service request message, carries out allocation of radio resources, and service request has defined the type of service that current support needs, and the Radio Resource that network based this type of service requires comes allocation of channel resources may.Described access network node 120 receives and transmits business request information to core net node 130, core net node 130 is when receiving user side 110 service request, to send the allocation of radio resources request message to access network node 120, and require access network node 120 to distribute needed Radio Resource.After access network node 120 is finished allocation of radio resources, in the wireless distribution response message, according to the access channel type of distributing, the RAT type of user side 110 current uses is reported core net node 130 in the lump as a parameter of allocation of radio resources response message.
The diversity of the access way that provides in view of existing access network when certain user side need switch, may be in the access network node 120 inner switchings that take place, and promptly under identical interface case, need switch between different access channels; It also may be the switching under different interface case.Below will be presented in successively under such two kinds of situations.
Seeing also Fig. 6, is access network node inside when switching, the embodiments of the invention flow chart.
The support that when switch main reflection access network node 120 inside the RAT type is reported.
Access network node is when carrying out the intranodal switching flow, after switching is finished, need send switching to core net node and report indication, be used to report this handover event, described switching reports to have comprised in the indication switches the radio channel resource type that use the back, promptly described " RAT type ".
Existing wireless access network network (RAN) can be supported multiple access technology type, promptly when user side UE state need be when a kind of access technology type switches to another access technology type, described access network node should switch RAT kind of message after finishing to core net node report of user end UE.
The process that reports of the user side access technology type when switching generation in order further to understand below will be described in detail in the specific embodiment when switching between different access network nodes or the core net node.
See also Fig. 7, user side 110, source access network node 121, purpose access network node 122, purpose core net node 132, source core net node 131.Wherein, the access of user side before source access network node 121 is realized switching, the access of user side after purpose access network node 122 is realized switching and finished.
Described source access network node 121 belongs to source core net node 131, and described purpose access network node 122 belongs to purpose core net node 132.
At first, implementation step S1, source access network node 121 is initiated handoff request according to the handover decisions result to source core net node 131, has comprised switching purpose information in the described handoff request.
Secondly, step S2, source core net node 131 receive after the handoff request, send switching preparation message to switching purpose core net node 132.
Step S3, purpose core net node 132 distributes corresponding radio channel resource according to switching the requirement to radio channel resource that proposes in the preparation message in target side.
Step S4, after radio channel resource was allocated successfully, purpose core net node 132 sends to switch to source core net node 131 prepared response, and the expression destination switches to be prepared successfully.
Described switching prepares to have comprised in the response message user side access technology type of the radio channel resource correspondence of distributing according to step S3.
Step S5, source core net node 131 carries out the processing of network definition according to switching the user side access technology type of preparing in the response.
Described network definition process is meant that core net node judges whether to allow to switch, and special note is taken strategy etc.
Step S6, source core net node 131 sends switching command to user side 110, and user side 110 switches to the purpose network according to switching command.
Step S7, purpose access network node 132 detect after user side 110 successful switch, send handoff completion message to purpose core net node 132, and purpose core net node 132 is received to switch and finished after the response, gives source core net node 131 with this forwards.
Step S8, source core net node 131 discharge the Radio Resource of source after receiving that switching is finished, and return the destination switching and finish response message, handover success.
Seeing also Fig. 8, is the embodiment block diagram of sensing user end access style in core network of the present invention system.Comprise user side 110, access network node unit 120, core net node unit 130, described access network node unit comprises that state update request receiving element 1201 and user side access technology type report unit 1202.Described state update request receiving element 1201 is used to receive user side state update request; Described user side access technology type reports unit 1202 to be used for the report of user termination to go into the type of skill to core net node unit 130.
Particularly, user side 110 sends to access network node unit 120 and adheres to, when position updating request or service access request, state update request receiving element 1201 receives described access request in the access network node unit 120, and the Initial UE Message message that is reported unit 1202 to report to be included in RANAP by user side access technology type or the user side access technology type in the Direct Transfer message are to core net node 130.
Similarly, when user side 110 sends the user side service request to access network node unit 120, state update request receiving element 1201 receives described service request in the access network node unit 120, and is reported unit 1202 to report to include the allocation of radio resources response message of user's access technology type by user side access technology type.
Similarly, when user side 110 sends the handoff request of the inner generation of access network node to access network node unit 120, state update request receiving element 1201 receives described handoff request in the access network node unit 120, switch finish after, report unit 1202 to report to comprise the switching of user's access technology type to report Indication message by user side access technology type.
Further, when user side 110 sends the switching that request takes place to access network node unit 121 between different access network nodes or core net node, access network node unit, source 121 is initiated handoff request according to the switching judging result to core net node unit, source 131, has comprised switching purpose information in the described handoff request; Source core net node 131 is received after the handoff request, sends switching preparation message to switching purpose core net node 132; Purpose core net node 132 is according to switching the requirement to radio channel resource that proposes in the preparation message, and the accepting state update request receiving element 1221 in the purpose access network node 122 distributes corresponding radio channel resource in target side; After radio channel resource was allocated successfully, the user side access technology reported unit 1222 to go into the type of skill to purpose core net node 132 report of user terminations in the purpose access network node 122; Purpose core net node 132 sends to switch to source core net node 131 prepares response, and the expression destination switches to be prepared successfully, and the current access technology type of user side promptly is included in described switching and prepares in the response; Source core net node 131 carries out the processing of user side definition according to switching the user side access technology type of preparing in the response; Source core net node 131 sends switching command to user side 110, and user side 110 switches to the purpose network according to switching command; Purpose access network node 132 detects after user side 110 successful switch, sends handoff completion message to purpose core net node 132, and purpose core net node 132 is received to switch and finished after the response, gives source core net node 131 with this forwards; Source core net node 131 discharges the Radio Resource of source after receiving that switching is finished, and returns the destination switching and finish response message, handover success.
In sum, the present invention make access network node report and comprise the current access technology type of user side, and then core net node can directly obtain the current access technology type of user by improving the function of access network node, and launches subsequent treatment.
More than the method and system of a kind of sensing user end access style in core network provided by the present invention are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. the method for a sensing user end access style in core network is characterized in that, comprises step:
1) access network node receives the state update request that user side sends;
2) access network node obtains the access technology type of the current use of described user side;
3) access network node report of user termination is gone into the type of skill to core net node.
2. according to the method for the described sensing user end access style in core network of claim 1, it is characterized in that described state update request is that user side adheres to, position updating request and service access request.
3. according to the method for the described sensing user end access style in core network of claim 2, it is characterized in that described step 3) is specially access network node and by Initial UE Message message or DirectTransfer message user side access technology type is carried and report to core net.
4. according to the method for the described sensing user end access style in core network of claim 1, it is characterized in that, described state update request is the user side service request, and described step 3) is specially access network node and reports the allocation of radio resources response message that includes user side access technology type.
5. according to the method for the described sensing user end access style in core network of claim 1, it is characterized in that, described state update request is the access network node handoff request, and described step 3) is specially access network node and reports the switching that includes user side access technology type to finish indication.
6. according to the method for the described sensing user end access style in core network of claim 5, it is characterized in that, described access network node switches the switching that is specially the inner generation of access network node, and described step 3) is specially access network node and reports the switching that includes user side access technology type to report Indication message.
7. according to the method for the described sensing user end access style in core network of claim 5, it is characterized in that, described access network node switching is specially the switching that takes place between different access network nodes or core net node, described step 3) is specially by the purpose access network node and reports the switching that includes user side access technology type to prepare response message to the purpose core net node.
8. the system of a sensing user end access style in core network, comprise user side, access network node unit, core net node unit, it is characterized in that described access network node unit comprises that state update request receiving element and user side access technology type report the unit; Described state update request receiving element is used to receive user side state update request, described user side access technology type reports the unit to be used to obtain the access technology type of the current use of described user side, and the report of user termination is gone into the type of skill to the core net node unit.
9. the system of described sensing user end access style in core network according to Claim 8, it is characterized in that, the state update request that described state update request receiving element receives is that user side adheres to, position updating request and service access request, and described user side access technology type reports the unit to be used to report to include user side access technology kind of message to the core net node unit.
10. the system of described sensing user end access style in core network according to Claim 8, it is characterized in that, the state update request that described state update request receiving element receives is the user side service request, and described user side access technology type reports the unit to report to include the allocation of radio resources response message of user's access technology type.
11. the system of described sensing user end access style in core network according to Claim 8, it is characterized in that, the state update request that described state update request receiving element receives is that access network node switches, and described user side access technology type reports the unit to be used to report to include the switching of user side access technology type to finish indication.
12. system according to claim 11 sensing user end access style in core network, it is characterized in that, described access network node switches and is specially the inner switching that takes place of access network node, and user side access technology type reports the unit to be used to report to include the switching of user side access technology type to report Indication message.
13. system according to claim 11 sensing user end access style in core network, it is characterized in that, described access network node switching is specially the switching that takes place between different access network nodes or core net node, the user side access technology type in the purpose access network node unit reports the unit to report the switching that includes user side access technology type to prepare response message to purpose core net node unit.
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| CN101459906B (en) * | 2007-12-14 | 2011-08-03 | 华为技术有限公司 | PCC rule updating method and device |
| CN101765223B (en) * | 2008-12-25 | 2012-08-29 | 中国移动通信集团公司 | Method, SGSN and system of business control equipment obtaining user access type |
| CN102340605B (en) * | 2011-07-25 | 2013-06-05 | 华为技术有限公司 | Method and device for cancelling echoes |
| CN108307424B (en) * | 2016-09-30 | 2022-11-01 | 北京三星通信技术研究有限公司 | Method and device for providing new service based on enhanced long term evolution base station |
| EP3731570A1 (en) | 2016-08-11 | 2020-10-28 | Samsung Electronics Co., Ltd. | Method and apparatus for core network selection |
| WO2018030859A1 (en) | 2016-08-11 | 2018-02-15 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling or paging a user equipment |
| CN107872785B (en) * | 2016-09-23 | 2021-07-23 | 中国电信股份有限公司 | Terminal attachment method and system, and mobility management entity |
| CN108024314B (en) | 2016-11-03 | 2021-07-16 | 华为技术有限公司 | Method and device for selecting network |
| CN108616957A (en) * | 2016-12-09 | 2018-10-02 | 大唐移动通信设备有限公司 | Indicate method, base station and the mobility management entity of radio access technology types |
| KR102293792B1 (en) * | 2017-03-20 | 2021-08-25 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Control plane connection management method and device |
| EP3589062B1 (en) | 2017-03-21 | 2021-05-12 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
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