CN101325794B - Method for registering across wireless control point switch of non-occupied terminal - Google Patents
Method for registering across wireless control point switch of non-occupied terminal Download PDFInfo
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- CN101325794B CN101325794B CN2007101110687A CN200710111068A CN101325794B CN 101325794 B CN101325794 B CN 101325794B CN 2007101110687 A CN2007101110687 A CN 2007101110687A CN 200710111068 A CN200710111068 A CN 200710111068A CN 101325794 B CN101325794 B CN 101325794B
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Abstract
The invention provides a registration method for switching idle terminal by crossing wireless control points, comprising: S402, the terminal requests to register at source wireless control points to current wireless network nodes which return a registration response to the terminal when connection with the source wireless control points is impossible; S404, the terminal initiates a route establishment operation, the current wireless network nodes transmit a session information request to the target wireless control points, and points therein that it needs to assign a new session identification; S406, the target wireless control points assign a new session identification, and transmit a session information transfer request carrying the new session identification to the source wireless control points; S408, the target wireless control points store and respond the session information to the current wireless network nodes after receiving the session information transmitted by the source wireless control points; S410, the target wireless control points judge whether to transmit a session request to the source wireless control points according to a preset rule after receiving the route establishment request of the terminal.
Description
Technical field
The present invention relates to communication field, and particularly, relate to a kind of non-occupied terminal and stride the register method that wireless control point switches.
Background technology
For guarantee network side successfully paging be in the terminal of idle condition, terminal needs periodically or when leaving the paging territory to register by wireless network, its positional information is informed corresponding network node, this network node upgrades terminal location and preserves, so that network side can obtain the current location of terminal when this terminal is initiated paging, thereby the session foundation between realization terminal and the wireless network and the transmission of related data.
The registration operation is cooperated jointly by wireless network node, wireless control point, access server, finishes location registers, the update functions of non-occupied terminal (promptly being in the terminal of idle condition).
Fig. 1 shows the architectural framework reference model that existing network realizes that packet data user inserts.Wherein, for packet data service is provided, wireless network node 11 be responsible for access server 13 between media message alternately and the maintenance and the control of data link, wherein, data attachment point is positioned on the wireless network node, have with access server and carry out the function that loading end is connected, when terminal was moved, data attachment point also may move to new wireless network node.As the signaling capability entity of Radio Access Network, wireless control point 12 is responsible for session storage, paging and functions such as location management, idle state management and access authentication.
Generally, wireless control point can be connected with all wireless network nodes, that is, as shown in Figure 1, when terminal when wireless network node 1 moves to wireless network node 2, wireless network node 2 can with source wireless control point intercommunication.But because factors such as route or region may cause the source wireless control point directly to link to each other with wireless network node 2, as shown in Figure 2.
Terminal enters idle condition 1 time at wireless network node, and judging after it moves to wireless network node 2 needs to initiate register requirement, so that by being registered in wireless network node 2 information at record place in the network, realize the registration of new location information.Wherein, Fig. 3 has described under environment shown in Figure 1, realizes in the correlation technique that terminal is striden the flow chart of registering after wireless control point switches in the cordless communication network.As shown in Figure 3, comprise following processing:
301: terminal via current wireless network node (being wireless network node 2) to source wireless control point request registration;
302: the source wireless control point returns the registration response via wireless network node 2, carries the information of the route that needs foundation;
303: terminal is initiated route and is set up operation;
304: wireless network node 2 wherein carries old session identification to source wireless control point queued session information;
305: the source wireless control point is to wireless network node 2 response session information and data attachment point information;
306: wireless network node 2 sends route to terminal and sets up response
307: terminal sends routing table information in the set of routes member: wireless network node 2 and source wireless control point;
308: the route between wireless network node 2 notice terminals foundation and target wireless control point;
309: terminal is initiated route to target wireless control point and is set up message;
310: target wireless control point is to source wireless control point queued session information transfer;
311: the source wireless control point sends session information and moves response; So far, target wireless control point has been obtained session reference information;
312: target wireless control point is set up to the terminal response route and is replied, and finishes route and sets up operation;
313: terminal informs that target wireless control point has obtained new session identification;
314: upgrade session label information between target wireless control point and wireless network node 2, source wireless control point and the data attachment point;
315: terminal sends routing table information in the set of routes member: wireless network node 2, source wireless control point and target wireless control point;
316: wireless network node 2 notification source wireless control points, target wireless control point and data attachment point forward link service dot information, data attachment point moves to wireless network node 2 simultaneously.
Location registration process when above-mentioned flow process only communicates with the source wireless control point based on the current wireless network node when striding the wireless control point switching at non-occupied terminal, but, consider that wireless network node 2 possibly can't connect source wireless control point (referring to Fig. 2), therefore, more than the operation 301 and 304 in, wireless network node 2 can not pass-along message be given the source wireless control point, and therefore, above-mentioned flow process can't be applicable to such situation.
Therefore, there are the following problems for present technical scheme: after non-occupied terminal moved to new wireless control point, when the current wireless network node of terminal can't be with source wireless control point intercommunication, above-mentioned related procedure can't realize, that is, can't finish the registration of non-occupied terminal.Therefore, need a kind of technical scheme that can remedy above-mentioned defective, after non-occupied terminal moves to new wireless control point, the current wireless network node of terminal can't with the situation of source wireless control point intercommunication under (promptly, under the situation shown in Figure 2), it still can finish the registration of non-occupied terminal smoothly.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, the present invention aims to provide the middle non-occupied terminal of a kind of cordless communication network (comprising evolvement network of future generation) and realizes striding the registration scenarios that wireless control point switches.
According to the embodiment of the invention, provide a kind of non-occupied terminal to stride the register method that wireless control point switches.
This method comprises: step S402, and terminal is registered at the source wireless control point to the request of current wireless network node, and when the current wireless network node can't connect the source wireless control point, the current wireless network node returned the registration response to terminal; Step S404, terminal is initiated route and is set up operation, and the current wireless network node sends Information Request to target wireless control point, and points out to need to distribute the new session sign therein; Step S406, target wireless control point is distributed the new session sign, and sends the session information transfer request that carries the new session sign to the source wireless control point; Step S408, after receiving the session information that the source wireless control point sends, target wireless control point storage and to current wireless network node response session information; Step S410, the route that receives terminal is set up after the request, and target wireless control point judges whether to send conversation request to the source wireless control point according to pre-defined rule.
Wherein, in step S402, carry the routing iinformation that needs foundation in the registration response.
In step S404, terminal initiate route set up the trigger condition of operation be following any: the registration response that receives the current wireless network node; The timer expiry of queued for log-on response.
In addition, in step S404, carry the session identification of haveing been friends in the past in the Information Request, like this, in step S406, target wireless control point obtains the position of source wireless control point according to old session identification.
In step S408, specifically comprise following processing: the source wireless control point sends session information to target wireless control point and shifts response; The source wireless control point sends session information to target wireless control point; Target wireless control point store session information; Target wireless control point is to current wireless network node response session information and data attachment point information.
Between step S408 and S410, further comprise following processing: target wireless control point starts route and sets up timer, waits for that the route between terminal initiation terminal and target wireless control point is set up request.
In step S410, set up timer not under then the situation in route, target wireless control point deletion route is set up timer, and returns route to terminal and set up and reply, and wherein, carries the new session sign during route is set up and replied.
At this moment, after step S410, further comprise following processing: terminal informs that target wireless control point has obtained the new session sign; Target wireless control point and current wireless network node, source wireless control point and data attachment point upgrade session label information; Terminal sends routing table information to current wireless network node, source wireless control point and target wireless control point; Current wireless network node notification source wireless control point, target wireless control point and data attachment point forward edge road service point information, simultaneously, data attachment point moves to the current wireless network node.
On the other hand, in step S410, set up timer under then the situation in route, target wireless control point sends conversation request to the source wireless control point.
In addition, in step S410, set up under the situation of timer in that route is not set, target wireless control point sends conversation request to the source wireless control point.
By foregoing as can be seen, pre-defined rule is that route is set up timer.
Need to prove that in addition the current wireless network node is the wireless network node that terminal moves to; Target wireless control point is the signaling capability entity corresponding with the current wireless network node; The source wireless control point is the signaling capability entity of the wireless network node correspondence before terminal moves.
By technique scheme of the present invention, compare with relevant technology, can solve effectively non-occupied terminal the current wireless network node can't with the information registration problem of non-occupied terminal under the situation of source wireless control point intercommunication, thereby can satisfy the flexible demands of wireless network networking layout.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 be according to the terminal of correlation technique when wireless network node 1 moves to wireless network node 2, wireless network node 2 can with the cordless communication network framework reference model of source wireless control point intercommunication;
Fig. 2 be according to the terminal of correlation technique when wireless network node 1 moves to wireless network node 2, wireless network node 2 can't with the cordless communication network framework reference model of source wireless control point intercommunication;
Fig. 3 has described under environment shown in Figure 1, realizes in the correlation technique that terminal is striden the flow chart of registering after wireless control point switches in the cordless communication network;
Fig. 4 is the flow chart of striding the register method of wireless control point switching according to the non-occupied terminal of the embodiment of the invention; And
Fig. 5 is the detailed process flow chart of method shown in Figure 4.
Embodiment
According to the embodiment of the invention, provide a kind of non-occupied terminal to stride the register method that wireless control point switches.
After the method that the embodiment of the invention provides is primarily aimed at non-occupied terminal and moves to new wireless control point, the current wireless network node of terminal can't with the situation of source wireless control point intercommunication.By method according to the embodiment of the invention, need not mutual by wireless network node and source wireless control point, just can realize that endpoint registration operates.
In the following description, relate to following notion: the current wireless network node, the wireless network node that moves to for terminal, for example, the wireless network node 2 among Fig. 2; Target wireless control point is the signaling capability entity corresponding with the current wireless network node; The source wireless control point is for terminal moves the corresponding signaling capability entity of wireless network node (for example, the wireless network node among Fig. 2 1) before.
Describe embodiments of the invention in detail hereinafter with reference to accompanying drawing, need to prove, provide following examples with provide to of the present invention comprehensively and thorough, rather than the present invention carried out any restriction.
As shown in Figure 4, striding the register method that wireless control point switches according to the non-occupied terminal of the embodiment of the invention comprises:
Step S402, terminal is registered at the source wireless control point to the request of current wireless network node, when the current wireless network node can't connect the source wireless control point, the current wireless network node returned registration response (wherein carrying the routing iinformation that needs foundation) to terminal;
Step S404, terminal is initiated route and is set up operation, and the current wireless network node sends Information Request (wherein carrying the session identification of haveing been friends in the past) to target wireless control point, and points out to need to distribute the new session sign therein; In this step, terminal initiate route set up the trigger condition of operation be following any: the registration response that receives the current wireless network node; The timer expiry of queued for log-on response;
Step S406, target wireless control point is distributed the new session sign, and sends the session information transfer request that carries the new session sign to the source wireless control point; Wherein target wireless control point obtains the position of source wireless control point according to old session identification;
Step S408, after receiving the session information that the source wireless control point sends, target wireless control point storage and to current wireless network node response session information; Particularly, this step comprises following processing: the source wireless control point sends session information to target wireless control point and shifts response; The source wireless control point sends session information to target wireless control point; Target wireless control point store session information; Target wireless control point is to current wireless network node response session information and data attachment point information;
Step S410, the route that receives terminal is set up after the request, and target wireless control point judges whether to send conversation request to the source wireless control point according to pre-defined rule (for example, can set up timer for route).
For example, between step S408 and S410, further comprise following processing: target wireless control point starts route and sets up timer, waits for that the route between terminal initiation terminal and target wireless control point is set up request.
Like this, in step S410, judge that in target wireless control point route sets up timer not then under the situation of (or having this timer), it is deleted this route and sets up timer, and return route foundation to terminal and reply, wherein, during setting up and reply, route carries the new session sign.
At this moment, after step S410, further comprise following processing: terminal informs that target wireless control point has obtained the new session sign; Target wireless control point and current wireless network node, source wireless control point and data attachment point upgrade session label information; Terminal sends routing table information to current wireless network node, source wireless control point and target wireless control point; Current wireless network node notification source wireless control point, target wireless control point and data attachment point forward edge road service point information, simultaneously, data attachment point moves to the current wireless network node.
On the other hand, in step S410, judge that in target wireless control point route sets up timer under then the situation, then target wireless control point sends conversation request to the source wireless control point.
In addition, in step S410, judge that in target wireless control point route is not set to be set up under the situation of timer, target wireless control point sends conversation request to the source wireless control point equally.
Further describe above-mentioned processing below with reference to the example under the situation shown in concrete Fig. 2, in the following description, the current wireless network node is a wireless network node 2.
Example
In this example, non-occupied terminal is after moving to wireless network node 2, after obtaining session information by target wireless control point from the source wireless control point, send session information to wireless network node 2 again, finish the foundation of route between terminal and the wireless network node 2.
After target wireless control point is obtained session information, the route that is provided with between timer wait terminal initiation terminal and target wireless control point is set up request, set up request message if receive route before the timer expiry, then will keep the session information that has obtained, finish the foundation of route between terminal and target wireless control point, otherwise, think that terminal does not require that carrying out route sets up, so need the deletion session information.
Particularly, as shown in Figure 5, comprise following processing:
501: terminal is registered at the source wireless control point to current wireless network node (being wireless network node 2) request;
502: wireless network node 2 is found to arrive the source wireless control point, then returns the registration response, carries the information that need set up route;
503: terminal is initiated route and is set up operation;
504: 2 pairs of target wireless control point of wireless network node are selected, and to this target wireless control point queued session information, carry old session identification then, and point out to need to distribute new session identification;
505: target wireless control point is distributed new session identification, obtains the position of source wireless control point by old session identification, to source wireless control point queued session information transfer, carries new session identification;
506: the source wireless control point sends session information and shifts response;
507: target wireless control point store session information, and response wireless network node 2 session informations and data attachment point information; Simultaneously, target wireless control point starts route and sets up timer, waits for that the route between terminal initiation terminal and target wireless control point is set up request;
508: wireless network node 2 sends route to terminal and sets up response;
509: terminal sends routing table information in the set of routes member: wireless network node 2 and source wireless control point;
510: the route between wireless network node 2 notice terminals foundation and target wireless control point;
511: terminal is initiated route to target wireless control point and is set up message;
512: receiving after route sets up request message, target wireless control point finds that route has been set sets up timer, then deletes this timer, responds route to terminal and sets up and reply, and carry new session identification; If target wireless control point is found route and is set up timer this timer then or not has been set, then carries out conversation request to the source wireless control point;
513: terminal informs that target wireless control point has obtained new session identification;
514: upgrade session label information between target radio network control point and wireless network node 2, source radio network control point and the data attachment point;
515: terminal sends routing table information in the set of routes member: wireless network node 2, source wireless control point and Target Wireless control;
516: wireless network node 2 notification source wireless control points, target wireless control point and data attachment point forward link service dot information, data attachment point moves to wireless network node 2 simultaneously.
Need to prove that the position in the foregoing description and the example more new technological process can also be applied to adopt other system of the same procedure of mentioning with background technology except that being applied to the wireless communication system.
By above description as can be seen, the present invention is changing existed system and is influencing under the minimum situation, realized a kind of in cordless communication network non-occupied terminal stride register method after wireless control point moves, can satisfy the demand that the wireless network node when registration can't be registered with terminal under the situation of source wireless control point intercommunication.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a non-occupied terminal is striden the register method that wireless control point switches, and it is characterized in that, comprising:
Step S402, terminal is registered at the source wireless control point to the request of current wireless network node, when described current wireless network node can't connect described source wireless control point, described current wireless network node returns the registration response to described terminal, wherein, described current wireless network node is the wireless network node that described terminal moves to;
Step S404, described terminal is initiated route and is set up operation, and described current wireless network node sends Information Request to target wireless control point, and points out to need to distribute the new session sign therein;
Step S406, described target wireless control point is distributed described new session sign, and sends the session information transfer request that carries described new session sign to described source wireless control point;
Step S408, behind the session information that receives the wireless control point transmission of described source, described target wireless control point is stored and is responded described session information to described current wireless network node; And
Step S410, the route that receives described terminal is set up after the request, and described target wireless control point judges whether to send conversation request to described source wireless control point according to pre-defined rule.
2. register method according to claim 1 is characterized in that, in described step S402, carries the routing iinformation that needs foundation in the described registration response.
3. register method according to claim 1 is characterized in that, in described step S404, described terminal initiate route set up the trigger condition of operation be following any: the described registration response that receives described current wireless network node; Wait for the timer expiry of described registration response.
4. register method according to claim 1, it is characterized in that, in described step S404, carry the session identification of haveing been friends in the past in the described Information Request, and in described step S406, described target wireless control point obtains the position of described source wireless control point according to described old session identification.
5. register method according to claim 1 is characterized in that, in described step S408, specifically comprises following processing:
Described source wireless control point sends session information to described target wireless control point and shifts response;
Described source wireless control point sends described session information to described target wireless control point;
Described target wireless control point is stored described session information; And
Described target wireless control point responds described session information and data attachment point information to described current wireless network node.
6. register method according to claim 1 is characterized in that, between described step S408 and described S410, further comprises following processing:
Described target wireless control point starts route and sets up timer, waits for that described terminal initiates described route between described terminal and described target wireless control point and set up and ask.
7. register method according to claim 6, it is characterized in that, in described step S410, set up timer not under then the situation in described route, described target wireless control point is deleted described route and is set up timer, and return route foundation to described terminal and reply, wherein, during setting up and reply, described route carries described new session sign.
8. register method according to claim 7 is characterized in that, after described step S410, further comprises following processing:
Described terminal informs that described target wireless control point has obtained described new session sign;
Described target wireless control point and described current wireless network node, described source wireless control point and data attachment point upgrade session label information;
Described terminal sends routing table information to described current wireless network node, described source wireless control point and described target wireless control point; And
Described current wireless network node is notified described source wireless control point, described target wireless control point and described data attachment point forward edge road service point information, and simultaneously, described data attachment point moves to described current wireless network node.
9. register method according to claim 6, it is characterized in that, in described step S410, described target wireless control point judges whether that according to pre-defined rule sending conversation request to described source wireless control point comprises: set up timer under then the situation in described route, described target wireless control point sends conversation request to described source wireless control point.
10. register method according to claim 1, in described step S410, described target wireless control point judges whether that according to pre-defined rule sending conversation request to described source wireless control point comprises: set up under the situation of timer in that route is not set, described target wireless control point sends conversation request to described source wireless control point.
11., it is characterized in that described current wireless network node is the wireless network node that described terminal moves to according to each described register method in the claim 1 to 10; Described target wireless control point is the signaling capability entity corresponding with described current wireless network node; Described source wireless control point is the signaling capability entity of the wireless network node correspondence before described terminal moves.
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| CN2007101110687A CN101325794B (en) | 2007-06-13 | 2007-06-13 | Method for registering across wireless control point switch of non-occupied terminal |
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| CN2007101110687A CN101325794B (en) | 2007-06-13 | 2007-06-13 | Method for registering across wireless control point switch of non-occupied terminal |
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| CN101325794B true CN101325794B (en) | 2011-06-22 |
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| DE112011101822T5 (en) | 2010-05-28 | 2013-03-14 | International Business Machines Corporation | A switching connection unit for routing data, computer connection network and routing method with this unit |
| CN102111745A (en) | 2010-10-15 | 2011-06-29 | 电信科学技术研究院 | Method and device for reinitiating session management process of EPS system |
| CN110876171B (en) | 2018-08-31 | 2022-02-25 | 上海华为技术有限公司 | Multi-hop data transmission method and device |
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