CN102348247A - Instruction relocation and relocation method and device - Google Patents
Instruction relocation and relocation method and device Download PDFInfo
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- CN102348247A CN102348247A CN2011102941256A CN201110294125A CN102348247A CN 102348247 A CN102348247 A CN 102348247A CN 2011102941256 A CN2011102941256 A CN 2011102941256A CN 201110294125 A CN201110294125 A CN 201110294125A CN 102348247 A CN102348247 A CN 102348247A
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Abstract
The invention discloses an instruction relocation and relocation method and device. The method comprises the following steps: receiving a request message for switching a node sent by a source access network node, wherein the request message carries the system identification information of a network system S in which the access network node is located; selecting a target access network node required to be switched, and acquiring the system identification information in the request message when the selected target access network node is confirmed to be an RNC (radio network controller) in a TD-SDMA (time domain-space division multiple access) system; carrying the system identification information in a source instruction parameter of a relocation message and sending the relocation information to the RNC so that the RNC can perform the corresponding data statistics and policy control on the network system S according to the system identification information in a relocation process. According to the invention, the source instruction parameter of the relocation message is added so that the target RNC can determine the system in which the source side is located and can perform the relevant statistics and policy control, thereby reducing the switching failure rate.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method and apparatus of indicating reorientation and reorientation.
Background technology
Network side is being that UE (User Equipment, subscriber equipment) provides in the process of service, because a variety of causes possibly need to switch to the target access network node with current for UE provides the source access network node of service.Usually by source access network node initial request messages, core net node is according to this request message select target access network node and ask it to carry out switching.
For the target access network node is TD-SCDMA (Time Division-Synchronous Code Division Multiple Access; TD SDMA) (the Radio Network Controller of the RNC in the system; Radio network controller) situation comprises following two kinds of situations:
1) the source access network node is the RNC in the TD-SCDMA system
For the TD-SCDMA system; In the time of need carrying out the access network node switching; Source RNC sends re-positioning request RelocationRequired message to core net node; Core net node select target RNC also sends to Target RNC with RelocationRequired message; Target RNC is carried out repositioning process according to the RelocationRequired message that receives; Promptly carry out the switching of source RNC to Target RNC; Said process is called SRNS(ServingRadioNetworkSubsystem; SRNS Serving Radio Network Subsystem) repositioning process is the switching of RNC between same system.
2) the source access network node is not the RNC in the TD-SCDMA system
Like the source access network node is node in the systems such as LTE or GSM; Stipulate according to existing protocol; When needs carry out the access network node switching; Source access node in the LTE system sends handoff request message to core net node; When core net node confirms that the target access node is the RNC in the TD-SCDMA system; Send re-positioning request Relocation Required message to Target RNC; Target RNC is carried out repositioning process according to the Relocation Required message that receives, and promptly carries out from the source access network node to the switching of Target RNC.
As shown in table 1, core net sends to item of information ' source RNC in the Relocation Required message of Target RNC and switches container Source RNC to Target RNC Transparent Container content to Target RNC and comprise the relevant information on the current interface aloft of UE.To these information purposes of Target RNC transmission are the references as the Target RNC Resources allocation.
Table 1
As shown in table 2, comprise RRC container (RRC (Radio Resource Control, Radio Resource control) Container) among the Source RNC to Target RNC Transparent Container, be used between network node, transmitting rrc message.
Can carry the network system information at cell-of-origin and the source RNC place of UE in the Relocation Required message that source RNC initiates; Like this; When core net node is confirmed to be the re-positioning request of source RNC initiation; The type of message of RRC container is SRNS relocation information SRNS RELOCATION INFO; Expression is to switch between same system RNC; Otherwise type of message is INTER RAT HANDOVER INFO WITH INTER RAT CAPABILITIES, the switching between the expression system.
Table 2
It is thus clear that for the switching between system, the RELOCATION REQUEST message that core net node sends in the present TD-SCDMA system standard, not offering some clarification on the source access network node is the node in which system, does not also have clear and definite source access network node relevant information.Like this; Target RNC can only be known between (switching between RNC) in the system or system the reorientation message of (from the other system node to RNC) through the type of the message among the RRC CONTAINER, is that specifically the node from which different system switches to this RNC but can not distinguish.
In practical application, under a lot of situation, under especially many net while covering scene, Target RNC needs clear and definite differentiation repositioning process which different system to switch to this RNC from, as carries out corresponding data statistics and policy control etc.Because can not to distinguish is specifically which different system to switch to this RNC from, also just can not carry out data statistics to the source of reorientation according to corresponding information, can not carry out corresponding RRM (Radio Resource Management, RRM) strategy.
Summary of the invention
The present invention provides a kind of method and apparatus of indicating reorientation and reorientation, make Target RNC can through this parameter clearly know the user be from which system to current RNC, thereby carry out corresponding switch data statistics and policy control.
The present invention provides a kind of method of core net node indication reorientation, comprising:
The request message that sends during reception sources access network node request switching node carries the system identification information of the network system S at said access network node place in the described request message;
Select the target access network node of switching, when confirming that the target access network node of selecting is the radio network controller (RNC) in the TD SDMA TD-SDMA system, obtain the system identification information in the described request message;
Said system identification information is carried in the source indication parameter of reorientation message; And said reorientation message issued said RNC; So that RNC in repositioning process, carries out corresponding switch data statistics and policy control according to said system identification information to network system S.
The present invention also provides a kind of RNC to carry out the method for reorientation, comprising:
Receive the RELOCATION REQUEST message of the source of the carrying indication parameter of core net node transmission;
According to the system identification information in the indication parameter of said source, confirm the network system S at the access network node place, source of initiation handoff request;
In repositioning process, carry out corresponding switch data statistics and policy control to network system S.
The present invention also provides the changing method in a kind of LTE of the being applied to system, comprising:
When definite needs carried out the node switching, the source access network node was confirmed the system identification information of the network system S that self belongs to;
Said source access network node is carried at said system identification information in the request message, and described request message is sent to core net node.
The present invention also provides a kind of equipment of the core network of indicating reorientation, comprising:
The handoff request receiving element, the request message that sends when being used for reception sources access network node request switching node carries the system identification information of the network system S at said access network node place in the described request message;
The system information acquiring unit is used to select the target access network node that switches, when confirming that the target access network node of selecting is the radio network controller (RNC) in the TD SDMA TD-SDMA system, obtains the system identification information in the described request message;
The reorientation indicating member; Be used for said system identification information is carried at the source indication parameter of reorientation message; And said reorientation message issued said RNC; So that RNC in repositioning process, carries out corresponding switch data statistics and policy control according to said system identification information to network system S.
The present invention also provides a kind of radio network controller (RNC) that carries out reorientation, comprising:
The message sink unit is used to receive the RELOCATION REQUEST message of the source of the carrying indication parameter that core net node sends;
System confirms the unit, is used for the system identification information according to said source indication parameter, confirms the network system S at the access network node place, source of initiation handoff request;
The reorientation unit is used at repositioning process, carries out corresponding switch data statistics and policy control to network system S.
The present invention also provides the access network equipment in a kind of LTE of the being applied to system, comprising:
System information is confirmed the unit, when being used for confirming to carry out the node switching, confirms the system identification information of the network system S at said access network equipment place;
System's indicating member is used for said system identification information is carried at request message, and described request message is sent to core net node.
The method and apparatus of indication reorientation provided by the invention and reorientation has following beneficial effect: the design that has remedied counterweight localization message in the present agreement is not enough; At the source indication parameter that has increased reorientation message; Make that Target RNC can be according to the go forward side by side statistics of line correlation of the system that confirms the source place, important reference frame is provided the optimization and the setting of whole network; Simultaneously, also can carry out corresponding policy control, reduce the mortality that switches, improve user's perception according to this source indication parameter; Especially under the situation that the many nets that are about to face cover altogether, this function has profound significance more.
Description of drawings
The core net node that Fig. 1 provides for the embodiment of the invention is indicated the method for reorientation;
The method that the RNC that Fig. 2 provides for the embodiment of the invention carries out reorientation;
The changing method that is applied to the LTE system that Fig. 3 provides for the embodiment of the invention;
The equipment of the core network structure chart of the indication reorientation that Fig. 4 provides for the embodiment of the invention;
The RNC structure chart that carries out reorientation that Fig. 5 provides for the embodiment of the invention;
The access network equipment structure chart of the LTE system that is applied to that Fig. 6 provides for the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the method and apparatus of indication reorientation provided by the invention and reorientation is illustrated in greater detail.
The embodiment of the invention provides a kind of method of core net node indication reorientation, as shown in Figure 1, comprising:
If network system is different, then the title of above-mentioned request message is different, as being handoff request message in the LTE system, is RELOCATION REQUEST message for the TD-SCDMA system;
The method that the embodiment of the invention also provides a kind of RNC to carry out reorientation as shown in Figure 2, comprising:
Step 201, the RELOCATION REQUEST message of the source of the carrying indication parameter that the reception core net node sends;
Step 202 according to the system identification information in the indication parameter of said source, is confirmed the network system S at the access network node place, source of initiation handoff request;
Step 203 in repositioning process, is carried out corresponding switch data statistics and policy control to network system S.
The method of the core net node indication reorientation that the embodiment of the invention provides and the method that RNC carries out reorientation no matter be what network system, are all carried the system identification information of this node place network system S in the request message that the source access network node sends; In issuing the RELOCATION REQUEST message of Target RNC, increased item of information-source indication parameter; And the system identification information of network system S is carried in the indication parameter of above-mentioned source; Thereby make Target RNC can obtain the user and which network system to switch to this RNC from; Thereby in repositioning process, carry out corresponding switch data statistics and policy control to network system S; As the user is switched to the number of times statistics of this RNC from each network system; Corresponding handover success rate statistics of each system etc. provide important reference frame to the optimization and the setting of whole network; Simultaneously, also can carry out corresponding policy control, reduce the mortality that switches, improve user's perception according to this source indication parameter; Especially under the situation that the many nets that are about to face cover altogether, this function has profound significance more.
Preferably; The network system S at access network node place, said source is TD-SDMA system, Long Term Evolution LTE system, or the global mobile communication gsm system, along with the continuous development of communication standard; Certainly, can also be other the network system that is different from the TD-SDMA system.
Further; In the embodiment of the invention; Realizing the user when the cell-of-origin switches to Target cell; No matter the source access network node under the cell-of-origin is in what network system; Also carry the cell-of-origin identification information in the request message that is sent; When then core net node confirms that the target access network node is the RNC in the TD-SDMA system, also comprise: obtain the cell-of-origin identification information that carries in the described request message, and said cell-of-origin identification information is carried in the source indication parameter of issuing RNC.
Like this; Target RNC is through the source indication parameter in the RELOCATION REQUEST message; Not only can know and switch to this RNC from which system; Can also know from which sub-district and switch to the RNC; Then the RNC of the embodiment of the invention carries out also comprising in the method for reorientation: the cell-of-origin identification information according to carrying in the indication parameter of said source is confirmed the cell-of-origin; In repositioning process, carry out corresponding switch data statistics and policy control to said cell-of-origin.As carrying out the handover success rate etc. of sub-district to the cell-of-origin, thereby carry out corresponding policy control, as can above-mentioned statistical number in view of the above as the foundation of anti-table tennis handoff algorithms, promptly the frequency switched or interlude etc. are reduced in the sub-district that cuts out for frequent incision.
Preferably, the system identification information of the network system S that carries in the request message in the embodiment of the invention, the public land mobile network PLMN that is specially network system S identifies.Current, can also be the identification information of other unique identification network.
Preferably, source indication parameter in the RELOCATION REQUEST message, the name that specifically is carried at said RELOCATION REQUEST message is called source RNC and switches in the item of information of container Source RNC to Target RNC Transparent Container to Target RNC.As shown in table 3, be the source indication parameter that in re-positioning request RELOCATION REQUEST message, increases in the embodiment of the invention: Source Id.
Table 3
Out of Memory item in the RELOCATION REQUEST message is with the regulation in the existing protocol, and is as shown in table 4, is the particular content of Source Id in the embodiment of the invention:
Table 4
As shown in table 4; Top information should be the wireless access type that wireless type and selection are inserted in the source; And for inserting wireless type in the source; Three option: TD-SCDMA (i.e. 1.28Mcps TDD in the table), GSM and LTE (i.e. EUTRAN in the table) are arranged; For each option, include PLMN sign and cell-of-origin sign, also comprise source RNC sign for TD-SCDMA; Wherein expanding RNC is option, surpasses at 4095 o'clock in the RNC sign and uses this option.For PLMN, it confirms mode referring to prior art, no longer details here.
It is thus clear that; Core net node need carry source network system banner PLMN and cell-of-origin sign at least in the embodiment of the invention in issuing the RELOCATION REQUEST message of Target RNC; The RELOCATION REQUEST message that TD-SCDMA, GSM source node are initiated in the present agreement; Permission brings core net with above-mentioned parameter, but the handoff request message that source node sends in the LTE system is not also carried above-mentioned parameter.
The embodiment of the invention increases the source indication parameter for the LTE system in handoff request message, carry system identification information and the cell-of-origin identification information of network system S in the indication parameter of source.
As shown in Figure 3, the embodiment of the invention provides the changing method in a kind of LTE of the being applied to system, comprising:
Preferably, also carry said cell-of-origin identification information in the described request message, this cell-of-origin identification information also is carried in the indication parameter of above-mentioned source.
Preferably, the system identification information of network system S, the public land mobile network PLMN that is specially network system S identifies.
As shown in table 5, in handoff request message, increased item of information-source indication parameter Source ID in the embodiment of the invention.
Table 5
The content that is comprised among the source indication parameter Source ID for handoff request message in the embodiment of the invention as shown in table 6.
The embodiment of the invention has remedied the design deficiency of counterweight localization message in the present agreement; Increased the source indication of reorientation message; Make the statistics that RNC can be correlated with according to the information of source, important reference frame is provided the optimization and the setting of whole network.Simultaneously, also can carry out corresponding algorithm controls, reduce the mortality that switches, improve user's perception according to this parameter.Especially under the situation that the many nets that are about to face cover altogether, this function has profound significance more.
Table 6
Based on same inventive concept; A kind of equipment of the core network of indicating reorientation also is provided in the embodiment of the invention, has a kind ofly carried out the radio network controller of reorientation and be applied to the access network equipment in the LTE system; Because the changing method that these equipment principle of dealing with problems and a kind of core net node indicate the method for reorientation, method that a kind of RNC carries out reorientation, be applied in the LTE system is similar; Therefore the enforcement of these equipment can repeat part and repeat no more referring to the enforcement of method.
The equipment of the core network of the indication reorientation that the embodiment of the invention provides as shown in Figure 4, comprising:
Handoff request receiving element 401, the request message that sends when being used for reception sources access network node request switching node carries the system identification information of the network system S at said access network node place in this request message;
System information acquiring unit 402; Be used to select the target access network node that switches; When confirming that the target access network node of selecting is the radio network controller (RNC) in the TD SDMA TD-SDMA system, obtain the system identification information in the described request message;
The radio network controller (RNC) that carries out reorientation that the embodiment of the invention provides as shown in Figure 5, comprises with lower unit:
System confirms unit 502, is used for the system identification information according to said source indication parameter, confirms the network system S at the access network node place, source of initiation handoff request;
The embodiment of the invention provides is applied to the access network equipment in the LTE system, as shown in Figure 6, comprising:
System information is confirmed unit 601, when being used for confirming to carry out the node switching, confirms the system identification information of the network system S at said access network equipment place;
System's indicating member 602 is used for said system identification information is carried at request message, and described request message is sent to core net node.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. the method for a core net node indication reorientation is characterized in that, comprising:
The request message that sends during reception sources access network node request switching node carries the system identification information of the network system S at said access network node place in the described request message;
Select the target access network node of switching, when confirming that the target access network node of selecting is the radio network controller (RNC) in the TD SDMA TD-SDMA system, obtain the system identification information in the described request message;
Said system identification information is carried in the source indication parameter of reorientation message; And said reorientation message issued said RNC; So that RNC in repositioning process, carries out corresponding switch data statistics and policy control according to said system identification information to network system S.
2. the method for claim 1 is characterized in that, also carries the cell-of-origin identification information in the described request message, when confirming that the target access network node is the RNC in the TD-SDMA system, also comprises:
Obtain the cell-of-origin identification information that carries in the described request message, and said cell-of-origin identification information is carried in the source indication parameter of issuing RNC.
3. the method for claim 1 is characterized in that, the system identification information of the network system S that carries in the described request message, and the public land mobile network PLMN that is specially network system S identifies.
4. like the arbitrary described method of claim 1～3, it is characterized in that the network system S at said source access network node place is TD-SDMA system, Long Term Evolution LTE system, or the global mobile communication gsm system.
5. method as claimed in claim 4 is characterized in that, the network system S at said source access network node place is the LTE system, and the system identification information of said network system S and cell-of-origin identification information specifically are carried in the source indication parameter of described request message.
6. the method that RNC carries out reorientation is characterized in that, comprising:
Receive the RELOCATION REQUEST message of the source of the carrying indication parameter of core net node transmission;
According to the system identification information in the indication parameter of said source, confirm the network system S at the access network node place, source of initiation handoff request;
In repositioning process, carry out corresponding switch data statistics and policy control to network system S.
7. method as claimed in claim 6 is characterized in that, the network system at said source access network node place is TD-SDMA system, Long Term Evolution LTE system, or the global mobile communication gsm system.
8. like claim 6 or 7 described methods, it is characterized in that the source indication parameter in the said RELOCATION REQUEST message also carries the cell-of-origin identification information, also comprises:
Cell-of-origin identification information according to carrying in the indication parameter of said source is confirmed the cell-of-origin;
In repositioning process, carry out corresponding switch data statistics and policy control to said cell-of-origin.
9. a changing method that is applied in the LTE system is characterized in that, comprising:
When definite needs carried out the node switching, the source access network node was confirmed the system identification information of the network system S that self belongs to;
Said source access network node is carried at said system identification information in the request message, and described request message is sent to core net node.
10. method as claimed in claim 9 is characterized in that, also carries said cell-of-origin identification information in the described request message;
The system identification information of network system S, the public land mobile network PLMN that is specially network system S identifies.
11. an equipment of the core network of indicating reorientation is characterized in that, comprising:
The handoff request receiving element, the request message that sends when being used for reception sources access network node request switching node carries the system identification information of the network system S at said access network node place in the described request message;
The system information acquiring unit is used to select the target access network node that switches, when confirming that the target access network node of selecting is the radio network controller (RNC) in the TD SDMA TD-SDMA system, obtains the system identification information in the described request message;
The reorientation indicating member; Be used for said system identification information is carried at the source indication parameter of reorientation message; And said reorientation message issued said RNC; So that RNC in repositioning process, carries out corresponding switch data statistics and policy control according to said system identification information to network system S.
12. equipment of the core network as claimed in claim 11; It is characterized in that; Also carry the cell-of-origin identification information in the described request message; The system information acquiring unit; When confirming that the target access network node is the RNC in the TD-SDMA system, also comprise: obtain the cell-of-origin identification information that carries in the described request message;
The reorientation indicating member also is used for said cell-of-origin identification information is carried at the source indication parameter of issuing RNC.
13., it is characterized in that the network system S at said source access network node place is TD-SDMA system, Long Term Evolution LTE system, or the global mobile communication gsm system like claim 11 or 12 described equipments of the core network.
14. a radio network controller (RNC) that carries out reorientation is characterized in that, comprising:
The message sink unit is used to receive the RELOCATION REQUEST message of the source of the carrying indication parameter that core net node sends;
System confirms the unit, is used for the system identification information according to said source indication parameter, confirms the network system S at the access network node place, source of initiation handoff request;
The reorientation unit is used at repositioning process, carries out corresponding switch data statistics and policy control to network system S.
15. RNC as claimed in claim 14 is characterized in that, the network system S at said source access network node place is TD SDMA TD-SDMA system, Long Term Evolution LTE system, or the global mobile communication gsm system.
16., it is characterized in that the source indication parameter in the RELOCATION REQUEST message that the message sink unit receives also carries the cell-of-origin identification information like claim 14 or 15 described RNC;
System confirms that the unit also is used for confirming the cell-of-origin according to the cell-of-origin identification information that said source indication parameter carries;
The reorientation unit also is used at repositioning process, carries out corresponding switch data statistics and policy control to said cell-of-origin.
17. an access network equipment that is applied in the LTE system is characterized in that, comprising:
System information is confirmed the unit, when being used for confirming to carry out the node switching, confirms the system identification information of the network system S at said access network equipment place;
System's indicating member is used for said system identification information is carried at request message, and described request message is sent to core net node.
18. access network equipment as claimed in claim 17 is characterized in that, said system information confirms that the unit also is used for confirming the cell-of-origin identification information;
Also carry said cell-of-origin identification information in the request message that system's indicating member also sends, and the system identification information of the network system S that carries, the public land mobile network PLMN that is specially network system S identifies.
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Application publication date: 20120208 |