CN101883407B - Method and device for activating cells accessing different radio access technology (RAT) - Google Patents
Method and device for activating cells accessing different radio access technology (RAT) Download PDFInfo
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- CN101883407B CN101883407B CN201010225865XA CN201010225865A CN101883407B CN 101883407 B CN101883407 B CN 101883407B CN 201010225865X A CN201010225865X A CN 201010225865XA CN 201010225865 A CN201010225865 A CN 201010225865A CN 101883407 B CN101883407 B CN 101883407B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method and a device for activating cells accessing different radio access technology (RAT). The method comprises the following steps that: A, when UE accessing first RAT needs services provided by second RAT which is not accessed by the UE at present, the UE sends service requests to a radio access network (RAN) node for managing a cell 1, wherein the cell 1 is a cell in the first RAT detected by the UE; B, after receiving the service requests, the RAN node judges whether the number of the service requests reaches a preset threshold or not, triggers the activation of a cell 2 which is allowed to access the second RAT if the number reaches the preset threshold, so that the cell 2 is not in an energy saving (ES) state any more; and after the cell 2 is successfully activated, the UE initiating the service requests is switched to the cell 2, so that the UE acquires the services provided by the second RAT. Through the method and the device, the cells accessing different RAT are not activated in the special time when OM sends a trigger message or when the load of the RAT1 exceeds the threshold.
Description
Technical field
The present invention relates to wireless communication technology, the Activiation method and the device of particularly different wireless access technology (RAT:radio AccessTechnology) sub-district.
Background technology
In wireless communication technology, so-called different RAT sub-district is for inserting the sub-district of different RAT.In the scene of inter-RAT energy saving (ES) abstract shown in Figure 1, the sub-district A to C under the RAT2 respectively with RAT1 under different each other RAT sub-district, sub-district.
Usually; In inter-RAT ES scene shown in Figure 1,, reduce wireless signal and pollute in order to save resource; ES mechanism below adopting: the RF that is in uptown sub-district by day under the closed portion RAT; Open this buttoned-up RF evening again, and close the RF of the sub-district that is in the office area under other RAT at night, open this buttoned-up RF daytime again.Such as, in Fig. 1, if the sub-district A under the RAT2 is in the residential area; And other sub-district B to C is in the Office Area, then just need close the RF of sub-district A by day according to above-mentioned ES mechanism, and promptly sub-district A is in the ES state; And the RF of other sub-districts B to C is held open, and evening is just in time opposite.All be that example is described below with the daytime, the situation in evening is similar.
Because sub-district A is closed by day; And can find out that according to scene shown in Figure 1 other sub-districts under the RAT2 all do not cover this sub-district A, have only RAT1 to cover this sub-district A; Be that UE among the A of sub-district can only insert RAT1 by day; And can not insert RAT2, so, will have following problem: the UE among the A of sub-district need use the demand meeting of the peculiar business of RAT2 only to insert RAT1 owing to sub-district A and can't be met.
In order to address the above problem, just need to send trigger messages to the sub-district A under the RAT2, to activate this sub-district A.But, when send trigger messages, final conclusion is not also arranged at present, than seeing that common mode is: send trigger messages at special time by OM; Or,, sends load trigger messages when surpassing thresholding by its load of RAT1 detection.But; This dual mode can not address the above problem fully; Reason is: if the UE among the A of sub-district needs the professional time of RAT2 neither to send the special time of trigger messages at OM; Also not in the time of the ultra thresholding of RAT1 load, then just can not send trigger messages and activate sub-district A, this obviously can not solve the problems of the technologies described above.
Summary of the invention
The invention provides the Activiation method and the device of different RAT sub-district,, also when the time of the ultra thresholding of RAT1 load, do not activate different RAT sub-district so that realize neither sending the special time of trigger messages at OM.
Technical scheme provided by the invention comprises:
The Activiation method of a kind of different RAT sub-district comprises:
A when having inserted professional that the 2nd RAT that the UE of a RAT do not insert at needs provided, sends service request to the wireless access network RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
B after said RAN node receives service request, judges whether the number of the said service request that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT, so that sub-district 2 no longer is in the ES state;
C, said RAN node switches to sub-district 2 with the UE that initiates said service request, so that UE obtains the business that said the 2nd RAT is provided after said sub-district 2 is successfully activated.
The Activiation method of a kind of different RAT sub-district comprises:
A when having inserted professional that the 2nd RAT that the UE of a RAT do not insert at needs provided, sends the core network CN node of service request to the said RAT;
B, said CN node are after receiving said service request, and sending UE needs the professional indication of the 2nd RAT to the wireless access network RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
C after said RAN node receives indication, judges whether the number of this indication that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT, so that sub-district 2 no longer is in the ES state;
D, said RAN node switches to sub-district 2 with the UE that initiates said service request, so that UE obtains the business that said the 2nd RAT is provided after said sub-district 2 is successfully activated.
The active device of a kind of different RAT sub-district comprises: UE and RAN node, wherein,
Said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving said service request; Whether the number of judging the service request that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in the ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
The active device of a kind of different RAT sub-district comprises: UE, core network CN node and RAN node; Wherein,
Said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to said CN node;
Said CN node is among the RAT, is used for after receiving said service request, and sending said UE needs the professional indication of the 2nd RAT to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving indication; Whether the number of judging this indication that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in the ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
Can find out by above technical scheme; Among the present invention; The UE that inserts a RAT need that current the 2nd RAT that does not insert provided professional the time; Be not that the existing dual mode described according to background technology triggers different RAT sub-district and activates, but by be used to manage current detection to the RAN node of sub-district determine whether carrying out the operation of different RAT sub-district of triggering the activation according to the quantity of service request, neither to send the special time of trigger messages relevant with OM for this active mode; Not relevant with the time of the ultra thresholding of RAT load yet, the technical problem that obviously can avoid background technology to describe.
Description of drawings
Fig. 1 is the sketch map of existing inter-RAT ES scene;
The flow chart of first embodiment that Fig. 2 provides for the embodiment of the invention;
The flow chart of second embodiment that Fig. 3 provides for the embodiment of the invention;
Fig. 4 for the embodiment of the invention provide first the device structure chart;
Fig. 5 for the embodiment of the invention provide second the device structure chart.
Embodiment
The method that the embodiment of the invention provides can realize in the network at least one UE need current do not insert RAT provided when professional, make the sub-district that is in the ES state under this RAT no longer be in the ES state, promptly realized the activation of this sub-district.
In order to make the object of the invention, technical scheme and advantage clearer, describe the present invention below in conjunction with accompanying drawing and specific embodiment.
Embodiment 1:
Referring to Fig. 2, the flow chart of first embodiment that Fig. 2 provides for the embodiment of the invention.This embodiment is an example with scene shown in Figure 1 still, if among Fig. 1, sub-district A is in the ES state; Be that RF among the A of sub-district is closed, other sub-districts are not in the ES state, because current of sub-district A has inserted RAT1; Therefore, the current sub-district that only can search under the RAT1 of UE wherein is not such as sub-district 1 (embodying among Fig. 1); Then when UE needs the peculiar business that RAT2 provided of current not access, carry out flow process as shown in Figure 2.As shown in Figure 2, this flow process can may further comprise the steps:
Step 201, UE sends the RAN node (being designated as a RAN node here) that service request is used to manage sub-district 1 to the RAT1.
Here, this service request can be Radio Resource control (RRC) message when specifically realizing, such as can be RRC connection setup complete message or other message etc., below is that example is described with the service request for the RRC connection setup complete message.Need to prove that this RRC connection setup complete message is also not exclusively identical with existing RRC connection setup complete message, in the present embodiment; It has increased needs the professional cell of the 2nd RAT; As for the cell of this increase particular location at the RRC connection setup complete message, the embodiment of the invention does not specifically limit, as; It can be in the foremost of all cells that the RRC connection setup complete message comprises, also face in the end.
Step 202 after a RAN node receives service request, judges by the end of the number that has received at present this service request whether reach preset thresholding, if, execution in step 203; Otherwise, execution in step 206.
Here, preset thresholding can consider and be provided with that present embodiment does not limit especially based on the aspects such as optimization utilization of the emergency of UE demand, Internet resources.
Step 203 is sent the sub-district and is activated request to the RAN node that is used to manage sub-district A (being designated as the 2nd RAN node here).
Step 204, the 2nd RAN node activate sub-district A after receiving the activation request of said sub-district, and after success, send the sub-district activation and respond to a RAN node.
Here, activate sub-district A and just make sub-district A no longer be in the ES state, promptly the RF of sub-district A is opened.
Step 203 to step 204 is essentially the activation manipulation that a RAN node is carried out triggering cell A.
Step 205 switches to sub-district A with the UE that initiates said service request, so that UE obtains the business that RAT2 provided.Finish current flow process.
1 to switch to concrete operations and the existing method of sub-district A similar from the sub-district with UE in this step 205, repeats no more here.
Step 206, the number of the said service request that accumulative total receives is returned execution in step 202.
So far, realized the flow process of the embodiment one that the embodiment of the invention provides.
In embodiment one, UE directly sends service request to the RAN node.As a kind of expansion of the embodiment of the invention, UE also can directly send service request to core network (CN) node, needs the professional information of RAT2 to indicate the node to RAN UE by this CN node, specifically can be referring to embodiment two.
Embodiment two:
Referring to Fig. 3, the flow chart of second embodiment that Fig. 3 provides for the embodiment of the invention.This embodiment is an example with scene shown in Figure 1 still, if among Fig. 1, sub-district A is in the ES state, promptly the RF among the A of sub-district is closed, and other sub-districts are not in the ES state.If flow process as shown in Figure 3 such as sub-district 1 (embodying among Fig. 1), then when UE needs the peculiar business that RAT2 provided of current not access, is carried out in the current sub-district that only can search under the RAT1 of the UE among the A of sub-district.As shown in Figure 3, this flow process can may further comprise the steps:
Step 301, UE sends the CN node of service request to the said RAT1.
Here, service request can be Non-Access Stratum (NAS) message when specifically realizing, in the present embodiment, it is not fully identical with existing NAS message, and it has increased the cell that needs RAT2 professional.As for the cell of this increase particular location in NAS message, the embodiment of the invention does not specifically limit, as, it can be in the foremost of all cells that NAS message comprises, also face in the end.
Step 302, CN node are sent UE needs professional indication to the RAN node that is used for managing RAT1 sub-district 1 (being designated as a RAN node here) of RAT2.
Indication in this step 302 can be specifically that message set up in the UE context or radio bearer is set up message; Here; If message set up in the UE context that is designated as in this step 302; Then to set up message be not that to set up message identical with existing UE context to this UE context, and it has increased needs the professional cell of the 2nd RAT, and if the radio bearer that is designated as in this step 302 is set up message; Then to set up message be not that to set up message identical with existing radio bearer to this radio bearer, and it has also increased needs the professional cell of the 2nd RAT.As for the particular location of the cell that increases, the embodiment of the invention does not specifically limit.
Step 303 after a RAN node receives indication, judges whether the number of this indication reaches preset thresholding, if, execution in step 304; Otherwise, execution in step 307.
Preset thresholding in this step 303 specifically can be identical with the preset thresholding in the above-mentioned steps 202, also can be different.
Step 304 to step 306 is similar with above-mentioned steps 203 to step 205 respectively, repeats no more here.
Step 307, the number of the said indication that accumulative total receives is returned execution in step 303.
So far, realized the flow process of the embodiment two that the embodiment of the invention provides.
More than method that the embodiment of the invention is provided be described, the device that provides in the face of the embodiment of the invention is down described.
The invention provides two devices corresponding to above-mentioned two embodiment, below described.
Referring to Fig. 4, first structure drawing of device that Fig. 4 provides for the embodiment of the invention.The realization of this device is corresponding to embodiment one, and is as shown in Figure 4, and it specifically can comprise: UE and RAN node.
Wherein, said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving said service request; Whether the number of judging the service request that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in the ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
Preferably, in the present embodiment, said service request can be the RRC connection setup complete message, and it has increased needs the professional cell of the 2nd RAT.
As for another device of corresponding embodiment two, specifically referring to shown in Figure 5.Referring to Fig. 5, Fig. 5 for the embodiment of the invention provide second the device structure chart.As shown in Figure 5, this device can comprise: UE, core network CN node and RAN node.
Wherein, said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to said CN node;
Said CN node is among the RAT, is used for after receiving said service request, and sending said UE needs the professional indication of the 2nd RAT to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving indication; Whether the number of judging this indication that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in the ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
Preferably, in the present embodiment, said service request is a non access stratum NAS message, and it has increased needs the professional cell of the 2nd RAT;
Said indication can be when specifically realizing that message set up in the UE context or radio bearer is set up message, and it has increased needs the professional cell of the 2nd RAT.
Need to prove that in Fig. 4 device perhaps shown in Figure 5, said RAN node is carried out the activation manipulation that triggers the sub-district 2 that is allowed to access the 2nd RAT and specifically can be comprised:
Said RAN node sends the sub-district and activates request to the RAN node that is used to manage said sub-district 2, so that this is used to manage the RAN node activation sub-district 2 of said sub-district 2.
So far, the device that the embodiment of the invention is provided is described.
Can find out by above technical scheme; Among the present invention; The UE that inserts a RAT need that current the 2nd RAT that does not insert provided professional the time; Be not that the existing dual mode described according to background technology triggers different RAT sub-district and activates, but by be used to manage current detection to the RAN node of sub-district determine whether carrying out the operation of different RAT sub-district of triggering the activation according to the quantity of service request, neither to send the special time of trigger messages relevant with OM for this active mode; Not relevant with the time of the ultra thresholding of RAT load yet, the technical problem that obviously can avoid background technology to describe.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (10)
1. the Activiation method of a different RAT sub-district is characterized in that, this method may further comprise the steps:
A when having inserted professional that the 2nd RAT that the UE of a RAT do not insert at needs provided, sends service request to the wireless access network RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
B after said RAN node receives service request, judges whether the number of the said service request that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT, so that sub-district 2 no longer is in energy saving ES state;
C, said RAN node switches to sub-district 2 with the UE that initiates said service request, so that UE obtains the business that said the 2nd RAT is provided after said sub-district 2 is successfully activated.
2. method according to claim 1 is characterized in that, said service request is the radio resource control RRC connection setup complete message, and it has increased needs the professional cell of the 2nd RAT.
3. the Activiation method of a different RAT sub-district is characterized in that, this method may further comprise the steps:
A when having inserted professional that the 2nd RAT that the UE of a RAT do not insert at needs provided, sends the core network CN node of service request to the said RAT;
B, said CN node are after receiving said service request, and sending UE needs the professional indication of the 2nd RAT to the wireless access network RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
C after said RAN node receives indication, judges whether the number of this indication that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT, so that sub-district 2 no longer is in energy saving ES state;
D, said RAN node switches to sub-district 2 with the UE that initiates said service request, so that UE obtains the business that said the 2nd RAT is provided after said sub-district 2 is successfully activated.
4. method according to claim 3 is characterized in that, said service request is a non access stratum NAS message, and it has increased needs the professional cell of the 2nd RAT;
Message set up in the said UE of being designated as context or radio bearer is set up message, and it has increased needs the professional cell of the 2nd RAT.
5. according to claim 2 or 4 described methods, it is characterized in that the activation manipulation that said triggering is allowed to access the sub-district 2 of the 2nd RAT comprises:
Said RAN node sends the sub-district and activates request to the RAN node that is used to manage said sub-district 2, so that this is used to manage the RAN node activation sub-district 2 of said sub-district 2.
6. the active device of a different RAT sub-district is characterized in that, this device comprises: UE and RAN node, wherein,
Said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving said service request; Whether the number of judging the service request that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in energy saving ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
7. device according to claim 6 is characterized in that, said service request is the radio resource control RRC connection setup complete message, and it has increased needs the professional cell of the 2nd RAT.
8. the active device of a different RAT sub-district is characterized in that, this device comprises: UE, core network CN node and RAN node; Wherein,
Said UE, the current RAT that inserted, its 2nd RAT that does not insert at needs is provided when professional, is used to send service request to said CN node;
Said CN node is among the RAT, is used for after receiving said service request, and sending said UE needs the professional indication of the 2nd RAT to the RAN node that is used to manage sub-district 1; Wherein, said sub-district 1 is the sub-district among the detected said RAT of UE;
Said RAN node is used for managing the sub-district 1 of a said RAT, and it is after receiving indication; Whether the number of judging this indication that has received reaches preset thresholding, if trigger the activation manipulation of the sub-district 2 that is allowed to access the 2nd RAT; So that sub-district 2 no longer is in energy saving ES state; And after sub-district 2 is successfully activated, the UE that initiates said service request is switched to sub-district 2, so that UE obtains the business that said the 2nd RAT is provided.
9. device according to claim 8 is characterized in that, said service request is a non access stratum NAS message, and it has increased needs the professional cell of the 2nd RAT;
Message set up in the said UE of being designated as context or radio bearer is set up message, and it has increased needs the professional cell of the 2nd RAT.
10. according to claim 7 or 9 described devices, it is characterized in that said RAN node is carried out the activation manipulation that triggers the sub-district 2 that is allowed to access the 2nd RAT and comprised:
Said RAN node sends the sub-district and activates request to the RAN node that is used to manage said sub-district 2, so that this is used to manage the RAN node activation sub-district 2 of said sub-district 2.
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| TWI586114B (en) | 2011-08-19 | 2017-06-01 | 內數位專利控股公司 | Method and apparatus for using non-access stratum procedures in a mobile station to access resources of component carriers belonging to different radio access technologies |
| CN103298046B (en) * | 2012-02-27 | 2016-08-03 | 华为技术有限公司 | The management method of different system cell, device and system |
| US9485235B2 (en) | 2012-03-02 | 2016-11-01 | Qualcomm Incorporated | Systems and methods for inter-network service selection |
| CN104541549A (en) * | 2012-08-14 | 2015-04-22 | 高通股份有限公司 | Inter-network communication to avoid ping-ponging inter-RAT idle reselection |
| WO2014101958A1 (en) * | 2012-12-28 | 2014-07-03 | Telecom Italia S.P.A. | Activating deactivated small coverage nodes in heterogeneous cellular network |
| CN104125628B (en) * | 2013-04-27 | 2018-06-05 | 华为技术有限公司 | A kind of cell sleep control method and the network equipment |
| US9591531B2 (en) * | 2014-07-01 | 2017-03-07 | Google Technology Holdings LLC | Methods and an apparatus for transferring data communication sessions between radio-access networks |
| CN110710249B (en) | 2017-06-06 | 2021-02-09 | 华为技术有限公司 | Communication method, device and system |
| WO2021223057A1 (en) * | 2020-05-05 | 2021-11-11 | Qualcomm Incorporated | Selecting dual connectivity cell |
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