CN102781047A - Method and device for notifying targeted PLMN (public land mobile network) in X2 switchover - Google Patents
Method and device for notifying targeted PLMN (public land mobile network) in X2 switchover Download PDFInfo
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- CN102781047A CN102781047A CN2012102392450A CN201210239245A CN102781047A CN 102781047 A CN102781047 A CN 102781047A CN 2012102392450 A CN2012102392450 A CN 2012102392450A CN 201210239245 A CN201210239245 A CN 201210239245A CN 102781047 A CN102781047 A CN 102781047A
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Abstract
The invention provides a method and a device for notifying a targeted PLMN (public land mobile network) in X2 switchover. The method comprises the following steps: when a source eNodeB judges that UE (user equipment) initializes the X2 switchover, the targeted PLMN for switchover is selected for the UE according to a serving PLMN and PLMN information of an adjacent switchover area while the UE is accessed; and the source eNodeB notifies the targeted PLMN to a targeted eNodeB. According to the method and the device, by selecting the targeted PLMN for switchover for the UE according to the serving PLMN and PLMN information of the adjacent switchover area while the UE is accessed, the problem that how the source eNodeB transmits the switched targeted PLMN to the switchover targeted eNodeB under the condition that no switchover limiting list is available is solved, so that the effect of effective switchover is achieved.
Description
Technical field
The present invention relates to the communications field, Notification Method and the device of target P LMN (Public Land Mobile Network, public land mobile network) in switching in particular to a kind of X2.
Background technology
In the network shared environment, when the X2 switching took place UE, the Serving PLMN that comprises in the switching limit list that target eNode B need be carried from the handoff request message that source eNodeB sends (service PLMN) obtained the target P LMN information of switching.If UE is MME (Mobility Management Entity in source eNodeB access procedure; Mobility Management Entity) do not issue the switching limit list to eNodeB; Then eNodeB need select the target P LMN that selects switching for UE according to local policy; And in handoff procedure, need selected target P LMN be notified to target eNode B.
In the present technology, in the absence of not switching limit list, how the target P LMN that switches is passed to the regulation of switching target side eNodeB about source eNodeB.
Summary of the invention
The invention provides Notification Method and the device of target P LMN in a kind of X2 switching, above-mentioned under the situation of not switching limit list to solve at least, how source eNodeB passes to switching target side eNodeB problem with the target P LMN that switches.
According to an aspect of the present invention; The Notification Method of target P LMN in a kind of X2 switching is provided; Comprise: when source eNodeB judged UE initiation X2 switching, the PLMN information of service PLMN when inserting according to UE and switching adjacent area was the target P LMN that UE selects switching; Source eNodeB is with target P LMN notification target eNodeB.
Preferably, source eNodeB comprises target P LMN notification target eNodeB: source eNodeB is carried at target P LMN in the GUMMEI cell of handoff request message and is sent to target eNode B.
Preferably, source eNodeB comprises target P LMN notification target eNodeB: eNodeB structure in source switches limit list, and target P LMN is write in the Serving PLMN cell that switches limit list; Source eNodeB will switch limit list and be carried in the handoff request message and be sent to target eNode B.
Preferably, the PLMN information of service PLMN when source eNodeB inserts according to UE and switching adjacent area is that UE selects also to comprise before the target P LMN of switching: when UE inserted, MME indicated UE at the successful service PLMN of registers kernel network to source eNodeB; If UE inserts successfully, source eNodeB selects UE in RRC (Radio Resource Control, Radio Resource control) connection setup complete message PLMN is as the service PLMN of this access of UE, and preserves service PLMN.
Preferably, only comprise Serving PLMN cell in the switching limit list.
According to a further aspect in the invention; The notifying device of target P LMN in a kind of X2 switching is provided; Be arranged in the source eNodeB of switching; This device comprises: select module, be used for judging under the situation of UE initiation X2 switching at source eNodeB, the PLMN information of service PLMN when inserting according to UE and switching adjacent area is the target P LMN that the UE selection is switched; Notification module is used for target P LMN notification target eNodeB.
Preferably, notification module comprises: the first notice submodule, the GUMMEI cell that is used for target P LMN is carried at handoff request message is sent to target eNode B.
Preferably, notification module comprises: the second notice submodule, and be used for structure and switch limit list, target P LMN is write in the Serving PLMN cell that switches limit list, and will switch limit list and be carried in the handoff request message and be sent to target eNode B.
Preferably, this device also comprises: receiver module, be used for when UE inserts, and receive UE from the MME indication at the successful service PLMN of registers kernel network; Preserve module, be used for inserting under the case of successful at UE, the PLMN that UE is selected in the RRC connection setup complete message is as the service PLMN of this access of UE, and preserves service PLMN.
Preferably, only comprise Serving PLMN cell in the switching limit list.
Through the present invention; The PLMN information of service PLMN when employing inserts according to UE and switching adjacent area is the target P LMN that UE selects switching; Solved under the situation of not switching limit list; How source eNodeB passes to the problem of switching target side eNodeB with the target P LMN that switches, and then reach the effect of effective switching.
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 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention;
Fig. 2 is the notifying device modular structure sketch map according to the target P LMN of the embodiment of the invention;
Fig. 3 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention one;
Fig. 4 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention two;
Fig. 5 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention three;
Fig. 6 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention four.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention.As shown in Figure 1, this method may further comprise the steps:
Step S102, source eNodeB judge when UE initiates the X2 switching that the PLMN information of service PLMN when inserting according to UE and switching adjacent area is the target P LMN that the UE selection is switched.
Step S104, source eNodeB is with target P LMN notification target eNodeB.
In the present embodiment; Service PLMN when inserting according to UE and the PLMN information of switching the adjacent area are that UE selects the target P LMN that switches; Solved under the situation of not switching limit list; How source eNodeB passes to the problem of switching target side eNodeB with the target P LMN that switches, and then reach the effect of effective switching.
In above-mentioned steps S102; When UE inserts; If MME does not issue the switching limit list to eNodeB; Be MME to eNodeB indication UE at the successful service PLMN of registers kernel network, insert successfully so after, the PLMN that eNodeB preservation UE selects in the RRC connection setup complete message this time inserts employed service PLMN as UE.Because, if the PLMN that UE selects in the unregistered success of core net, then insert can failure for UE.When UE initiated the X2 switching, source eNodeB was the PLMN that the UE selection is switched according to the PLMN information of PLMN that preserves and switching adjacent area.
In above-mentioned steps S104, can adopt the target P LMN notification target side eNodeB of following dual mode with switching:
Mode 1: source eNodeB fills in switching target PLMN among the GUMMEI (Globally Unique MME Identifier, global unique MME sign) of handoff request message, sends to target eNode B.Target eNode B is taken out the target P LMN information of switching from GUMMEI.
Mode 2: source eNodeB structure switches limit list information, only fills in Serving PLMN wherein, and is carried in the handoff request message and sends to target side.Target eNode B is taken out the target P LMN information of switching from the Serving PLMN that switches limit list.
Fig. 2 is the notifying device modular structure sketch map according to the target P LMN of the embodiment of the invention.As shown in Figure 2, this device comprises: select module 10, be used for initiating under the situation of X2 switching at source eNodeB judgement UE, the PLMN information of service PLMN when inserting according to UE and switching adjacent area is the target P LMN that UE selects switching; Notification module 20 is used for target P LMN notification target eNodeB.Wherein, select module 10 and notification module 20 to be coupled.
In the present embodiment; Service PLMN when inserting according to UE and the PLMN information of switching the adjacent area are that UE selects the target P LMN that switches; Solved under the situation of not switching limit list; How source eNodeB passes to the problem of switching target side eNodeB with the target P LMN that switches, and then reach the effect of effective switching.
In the above-described embodiments, notification module 20 comprises: the first notice submodule 22, the GUMMEI cell that is used for target P LMN is carried at handoff request message is sent to target eNode B.
In the above-described embodiments; Notification module 20 comprises: the second notice submodule 24; Be used for structure and switch limit list, target P LMN is write in the Serving PLMN cell that switches limit list, and will switch limit list and be carried in the handoff request message and be sent to target eNode B.
In the above-described embodiments, this device also comprises: receiver module 30, be used for when UE inserts, and receive UE from the MME indication at the successful service PLMN of registers kernel network; Preserve module 40, be used for inserting under the case of successful at UE, the PLMN that UE is selected in the RRC connection setup complete message is as the service PLMN of this access of UE, and preserves service PLMN.
Embodiment one
Fig. 3 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention one.As shown in Figure 3, this method may further comprise the steps:
Step S302, source eNodeB are the target P LMN that UE selects switching.
Step S304, source eNodeB fills in switching target PLMN among the GUMMEI of handoff request message, sends to target eNode B.
Embodiment two
Fig. 4 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention two.As shown in Figure 4, this method may further comprise the steps:
Step S402, source eNodeB are the target P LMN that UE selects switching.
Step S404, source eNodeB structure switches limit list information, fills in Serving PLMN (service PLMN) cell wherein, and is carried in the handoff request message and sends to target side.
Embodiment three
Fig. 5 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention three.As shown in Figure 5, this method may further comprise the steps:
Step S502, source eNodeB judgement UE initiates X2 and switches, and selects the target P LMN that switches for UE.
Step S504, source eNodeB fills in the target P LMN that selects in the GUMMEI cell in the handoff request message, sends to target eNode B.
Step S506 obtains the target P LMN of switching in the GUMMEI cell of target eNode B from handoff request message, carry out follow-up switching flow.
Embodiment four
Fig. 6 is the Notification Method flow chart according to the target P LMN of the embodiment of the invention four.As shown in Figure 6, this method may further comprise the steps:
Step S602, source eNodeB judgement UE initiates X2 and switches, and selects the target P LMN that switches for UE.
Step S604, source eNodeB fills in the target P LMN that selects in the switching limit list-Serving PLMN cell in the handoff request message, sends to target eNode B.
Step S606 obtains the target P LMN of switching in the switching limit list-Serving PLMN cell of target eNode B from handoff request message, carry out follow-up switching flow.
In another embodiment, the notice software of target P LMN in a kind of X2 switching is provided also, this software is used for carrying out the technical scheme that the foregoing description is described.
In another embodiment, a kind of storage medium is provided also, has stored above-mentioned software in this storage medium, this storage medium includes but not limited to CD, floppy disk, hard disk, scratch pad memory etc.
From above description, can find out that the present invention has realized following technique effect:
According to the method that above-mentioned each embodiment of the present invention provided, in X2 switches, do not switch as source eNodeB under the situation of limit list, also can pass to target eNode B effectively with switching to target P LMN information.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the Notification Method of target P LMN is characterized in that during an X2 switched, and comprising:
When source eNodeB judged UE initiation X2 switching, the PLMN information of service PLMN when inserting according to UE and switching adjacent area was the target P LMN that said UE selects switching;
Said source eNodeB is with said target P LMN notification target eNodeB.
2. method according to claim 1 is characterized in that, said source eNodeB comprises said target P LMN notification target eNodeB:
Said source eNodeB is carried at said target P LMN in the GUMMEI cell of handoff request message and is sent to said target eNode B.
3. method according to claim 1 is characterized in that, said source eNodeB comprises said target P LMN notification target eNodeB:
Said source eNodeB structure switches limit list, and said target P LMN is write in the service PLMN cell of said switching limit list;
Said source eNodeB is carried at said switching limit list in the handoff request message and is sent to target eNode B.
4. method according to claim 1 is characterized in that, the PLMN information of service PLMN when source eNodeB inserts according to UE and switching adjacent area is that said UE selects also to comprise before the target P LMN of switching:
When said UE inserted, MME indicated said UE at the successful service PLMN of registers kernel network to source eNodeB;
If said UE inserts successfully, said source eNodeB selects said UE in the radio resource control RRC connection setup complete message PLMN is as the service PLMN of said this access of UE, and preserves said service PLMN.
5. method according to claim 3 is characterized in that, wherein, only comprises said service PLMN cell in the said switching limit list.
6. the notifying device of target P LMN during an X2 switches is arranged in the source eNodeB of switching, it is characterized in that, comprising:
Select module, be used for judging under the situation of UE initiation X2 switching at said source eNodeB, the PLMN information of service PLMN when inserting according to UE and switching adjacent area is the target P LMN that said UE selection is switched;
Notification module is used for said target P LMN notification target eNodeB.
7. device according to claim 6 is characterized in that, said notification module comprises:
The first notice submodule, the GUMMEI cell that is used for said target P LMN is carried at handoff request message is sent to said target eNode B.
8. device according to claim 6 is characterized in that, said notification module comprises:
The second notice submodule is used for structure and switches limit list, said target P LMN is write in the service PLMN cell of said switching limit list, and said switching limit list is carried in the handoff request message is sent to target eNode B.
9. device according to claim 6 is characterized in that, also comprises:
Receiver module is used for when said UE inserts, and receives said UE from the MME indication at the successful service PLMN of registers kernel network;
Preserve module, be used for inserting under the case of successful at said UE, the PLMN that said UE is selected in the radio resource control RRC connection setup complete message is as the service PLMN of said this access of UE, and preserves said service PLMN.
10. device according to claim 8 is characterized in that, wherein, only comprises said service PLMN cell in the said switching limit list.
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| CN201210239245.0A CN102781047B (en) | 2012-07-11 | 2012-07-11 | Target PLMN Notification Method and device in X2 switchings |
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| WO2016183956A1 (en) * | 2015-05-19 | 2016-11-24 | 中兴通讯股份有限公司 | Neighbour cell adding method and device, and base station |
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