CN102781047B - Target PLMN Notification Method and device in X2 switchings - Google Patents
Target PLMN Notification Method and device in X2 switchings Download PDFInfo
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- CN102781047B CN102781047B CN201210239245.0A CN201210239245A CN102781047B CN 102781047 B CN102781047 B CN 102781047B CN 201210239245 A CN201210239245 A CN 201210239245A CN 102781047 B CN102781047 B CN 102781047B
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Abstract
Target PLMN Notification Method and device, this method include in switching the invention provides a kind of X2：When source eNodeB judges that UE initiates X2 switchings, the PLMN information of service PLMN and switching adjacent area when being accessed according to UE select the target PLMN of switching for UE；Target PLMN is notified target eNodeB by source eNodeB.Pass through the present invention, use service PLMN when being accessed according to UE and switch the PLMN information of adjacent area as the target PLMN of UE selection switchings, solve in the case of no switching limitation list, the problem of how the target PLMN of switching is passed to switching target side eNodeB by source eNodeB, and then the effect effectively switched.
Description
Technical field
The present invention relates to the communications field, target PLMN in switching in particular to a kind of X2（Public Land
Mobile Network, public land mobile network) Notification Method and device.
Background technology
In network share environment, when X2 switchings occur for UE, target eNodeB needs the switching sent from source eNodeB
The Serving PLMN included in the switching limitation list carried in request message（Service PLMN）Obtain the target PLMN of switching
Information.If UE MME in source eNodeB access procedures（Mobility Management Entity, mobile management are real
Body）Switching limitation list is not issued to eNodeB, then eNodeB needs to select switching according to local policy selection for UE
Target PLMN, and, it is necessary to which selected target PLMN is notified to give target eNodeB in handoff procedure.
, how will switching not on source eNodeB in the case of no switching limitation list in current technology
Target PLMN pass to switching target side eNodeB regulation.
The content of the invention
Target PLMN Notification Method and device in switching the invention provides a kind of X2, at least to solve above-mentioned do not having
In the case of switching limitation list, how source eNodeB, which passes to the target PLMN of switching, switches target side eNodeB problems.
According to an aspect of the invention, there is provided in a kind of X2 switching target PLMN Notification Method, including：Source
When eNodeB judges that UE initiates X2 switchings, the PLMN information of service PLMN and switching adjacent area when being accessed according to UE are that UE is selected
Select the target PLMN of switching；Target PLMN is notified target eNodeB by source eNodeB.
Preferably, source eNodeB includes target PLMN notices target eNodeB：Source eNodeB carries target PLMN
Sent in the GUMMEI cells of handover request message to target eNodeB.
Preferably, source eNodeB includes target PLMN notices target eNodeB：Source eNodeB construction switching limitation lists,
And target PLMN is write in the Serving PLMN cells of switching limitation list；Source eNodeB will switch limitation list and carry
Sent in handover request message to target eNodeB.
Preferably, the PLMN information of service PLMN and switching adjacent area when source eNodeB accesses according to UE are cut for UE selections
Before the target PLMN changed, in addition to：When UE is accessed, MME successfully services to source eNodeB instructions UE in registers kernel network
PLMN；If UE is successfully accessed, source eNodeB is by UE in RRC（Radio Resource Control, wireless heterogeneous networks）Even
The service PLMN for establishing the PLMN selected in completion message as this access of UE is met, and preserves service PLMN.
Preferably, Serving PLMN cells are only included in switching limitation list.
According to another aspect of the present invention, there is provided target PLMN notice device in a kind of X2 switchings, positioned at switching
In the eNodeB of source, the device includes：Selecting module, in the case of judging UE initiation X2 switchings in source eNodeB, according to
The target PLMN that the PLMN information of service PLMN and switching adjacent area when UE is accessed switch for UE selections；Notification module, it is used for
By target PLMN notice targets eNodeB.
Preferably, notification module includes：First notice submodule, for target PLMN to be carried in handover request message
Sent in GUMMEI cells to target eNodeB.
Preferably, notification module includes：Second notice submodule, switch limitation list for constructing, target PLMN is write
In the Serving PLMN cells for entering switching limitation list, and switching limitation list carried send in handover request message to
Target eNodeB.
Preferably, the device also includes：Receiving module, for when UE is accessed, receiving the UE from MME instructions in core
The service PLMN that net succeeds in registration；Preserving module, in the case of being successfully accessed in UE, UE is established in RRC connections and completed
Service PLMNs of the PLMN selected in message as this access of UE, and preserve service PLMN.
Preferably, Serving PLMN cells are only included in switching limitation list.
By the present invention, the PLMN information of service PLMN when being accessed according to UE and switching adjacent area is used to be cut for UE selections
The target PLMN changed, solve in the case of no switching limitation list, how source eNodeB passes the target PLMN of switching
The problem of passing switching target side eNodeB, and then the effect effectively switched.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is target PLMN according to embodiments of the present invention Notification Method flow chart；
Fig. 2 is target PLMN according to embodiments of the present invention notice apparatus module structural representation；
Fig. 3 is according to embodiments of the present invention one target PLMN Notification Method flow chart；
Fig. 4 is according to embodiments of the present invention two target PLMN Notification Method flow chart；
Fig. 5 is according to embodiments of the present invention three target PLMN Notification Method flow chart；
Fig. 6 is according to embodiments of the present invention four target PLMN Notification Method flow chart.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 is target PLMN according to embodiments of the present invention Notification Method flow chart.As shown in figure 1, this method includes
Following steps：
When step S102, source eNodeB judge that UE initiates X2 switchings, the service PLMN and switching when being accessed according to UE are adjacent
The PLMN information in area is the target PLMN of UE selection switchings.
Target PLMN is notified target eNodeB by step S104, source eNodeB.
The PLMN information of service PLMN and switching adjacent area when in the present embodiment, by being accessed according to UE are that UE is selected
The target PLMN of switching, solve in the case of no switching limitation list, how source eNodeB is by the target PLMN of switching
The problem of passing to switching target side eNodeB, and then the effect effectively switched.
In above-mentioned steps S102, when UE is accessed, if MME does not issue switching limitation list, i.e. MME to eNodeB
PLMN is successfully serviced in registers kernel network, then after being successfully accessed, eNodeB preserves UE in RRC connections to eNodeB instructions UE
The PLMN selected in completion message is established as UE and this time accesses used service PLMN.Because the if PLMN of UE selections
In the unregistered success of core net, then UE accesses can fail.UE initiate X2 switching when, source eNodeB according to preserve PLMN and
The PLMN information for switching adjacent area is the PLMN of UE selection switchings.
In above-mentioned steps S104, it can use following two modes that the target PLMN of switching is notified into target side
eNodeB：
Mode 1：Source eNodeB fills in the GUMMEI of handover request message by target PLMN is switched（Globally
Unique MME Identifier, the unique MME marks in the whole world）In, it is sent to target eNodeB.Target eNodeB is from GUMMEI
The middle target PLMN information for taking out switching.
Mode 2：Source eNodeB construction switching limitation list informations, only fill in Serving PLMN therein, and carry
Target side is sent in handover request message.Target eNodeB takes out switching from the Serving PLMN of switching limitation list
Target PLMN information.
Fig. 2 is target PLMN according to embodiments of the present invention notice apparatus module structural representation.As shown in Fig. 2 should
Device includes：Selecting module 10, in the case of judging UE initiation X2 switchings in source eNodeB, service when being accessed according to UE
PLMN and the PLMN information for switching adjacent area are the target PLMN of UE selection switchings；Notification module 20, for target PLMN to be led to
Know target eNodeB.Wherein, selecting module 10 and notification module 20 are coupled.
The PLMN information of service PLMN and switching adjacent area when in the present embodiment, by being accessed according to UE are that UE is selected
The target PLMN of switching, solve in the case of no switching limitation list, how source eNodeB is by the target PLMN of switching
The problem of passing to switching target side eNodeB, and then the effect effectively switched.
In the above-described embodiments, notification module 20 includes：First notice submodule 22, is cutting for target PLMN to be carried
Change in the GUMMEI cells of request message and send to target eNodeB.
In the above-described embodiments, notification module 20 includes：Second notice submodule 24, switch limitation list for constructing,
Target PLMN is write in the Serving PLMN cells of switching limitation list, and switching limitation list is carried in handover request
Sent in message to target eNodeB.
In the above-described embodiments, the device also includes：Receiving module 30, for when UE is accessed, receiving and being indicated from MME
UE successfully service PLMN in registers kernel network；Preserving module 40, in the case of being successfully accessed in UE, by UE in RRC
Service PLMNs of the PLMN selected in connection setup complete message as this access of UE, and preserve service PLMN.
Embodiment one
Fig. 3 is according to embodiments of the present invention one target PLMN Notification Method flow chart.As shown in figure 3, this method bag
Include following steps：
Step S302, source eNodeB are the target PLMN of UE selection switchings.
Step S304, source eNodeB are filled in target PLMN is switched in the GUMMEI of handover request message, and are sent to mesh
Mark eNodeB.
Embodiment two
Fig. 4 is according to embodiments of the present invention two target PLMN Notification Method flow chart.As shown in figure 4, this method bag
Include following steps：
Step S402, source eNodeB are the target PLMN of UE selection switchings.
Step S404, source eNodeB construction switching limitation list information, fill in Serving PLMN therein（Service
PLMN）Cell, and carry and be sent to target side in handover request message.
Embodiment three
Fig. 5 is according to embodiments of the present invention three target PLMN Notification Method flow chart.As shown in figure 5, this method bag
Include following steps：
Step S502, source eNodeB judgement UE initiate X2 switchings, for the target PLMN of UE selection switchings.
The GUMMEI cells that step S504, source eNodeB fill in the target PLMN selected in handover request message
In, it is sent to target eNodeB.
Step S506, target eNodeB obtain the target PLMN of switching from the GUMMEI cells in handover request message,
Perform follow-up switching flow.
Example IV
Fig. 6 is according to embodiments of the present invention four target PLMN Notification Method flow chart.As shown in fig. 6, this method bag
Include following steps：
Step S602, source eNodeB judgement UE initiate X2 switchings, for the target PLMN of UE selection switchings.
The switching that step S604, source eNodeB fill in the target PLMN selected in handover request message limits row
Table->In Serving PLMN cells, target eNodeB is sent to.
Step S606, target eNodeB from handover request message switching limitation list->In Serving PLMN cells
The target PLMN of switching is obtained, performs follow-up switching flow.
In another embodiment, the notice software of target PLMN in X2 switchings a kind of is additionally provided, the software is used for
Perform the technical scheme described in above-described embodiment.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored with the storage medium, should
Storage medium includes but is not limited to CD, floppy disk, hard disk, scratch pad memory etc..
As can be seen from the above description, the present invention realizes following technique effect：
The method provided according to the various embodiments described above of the present invention, in X2 switchings, when source eNodeB does not switch limit
In the case of list processed, it can also will be switched to target PLMN information and be effectively transferred to target eNodeB.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
- A kind of 1. target PLMN Notification Method in X2 switchings, it is characterised in that including：When source eNodeB judges that UE initiates X2 switchings, the PLMN information of service PLMN and switching adjacent area when being accessed according to UE For the target PLMN of UE selection switchings；The target PLMN is notified target eNodeB by the source eNodeB；Wherein, the target PLMN is notified target eNodeB, including one below by the source eNodeB：The target PLMN is carried and sent in the GUMMEI cells of handover request message to the target by the source eNodeB eNodeB；The source eNodeB constructions switching limits list, and the target PLMN write-ins switching is limited to the service of list In PLMN cells；The switching is limited list carrying and sent in handover request message to target by the source eNodeB eNodeB。
- 2. according to the method for claim 1, it is characterised in that service PLMN when source eNodeB accesses according to UE and cut Change before target PLMN of the PLMN information of adjacent area for UE selection switchings, in addition to：When the UE is accessed, MME indicates that the UE successfully services PLMN in registers kernel network to source eNodeB；If the UE is successfully accessed, the source eNodeB is by the UE in radio resource control RRC connection setup complete message Service PLMNs of the PLMN of middle selection as this access of the UE, and preserve the service PLMN.
- 3. according to the method for claim 1, it is characterised in that switching limitation list is constructed in the source eNodeB, and will When in the service PLMN cells of the target PLMN write-ins switching limitation list, only include institute in the switching limitation list State service PLMN cells.
- A kind of 4. target PLMN notice device in X2 switchings, in the source eNodeB of switching, it is characterised in that including：Selecting module, in the case of judging UE initiation X2 switchings in the source eNodeB, service when being accessed according to UE PLMN and the PLMN information for switching adjacent area are the target PLMN of UE selection switchings；Notification module, for the target PLMN to be notified into target eNodeB；Wherein, the notification module includes one below：First notice submodule, is switching for the target PLMN to be carried Sent in the GUMMEI cells of request message to the target eNodeB；Second notice submodule, switch limitation row for constructing Table, the target PLMN write-ins switching is limited in the service PLMN cells of list, and the switching is limited into list and taken Band is sent to target eNodeB in handover request message.
- 5. device according to claim 4, it is characterised in that also include：Receiving module, successfully serviced in registers kernel network for when the UE is accessed, receiving the UE from MME instructions PLMN；Preserving module, in the case of being successfully accessed in the UE, the UE is established in radio resource control RRC connection Service PLMNs of the PLMN selected into message as this access of the UE, and preserve the service PLMN.
- 6. device according to claim 4, it is characterised in that when the notification module includes the second notice submodule, Only include the service PLMN cells in the switching limitation list.
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| CN103634857B (en) * | 2013-12-02 | 2017-06-20 | 华为技术有限公司 | Changing method, base station and communication network between public land mobile net mark |
| CN106304208A (en) * | 2015-05-19 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of adjacent area adding method, device and base station |
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| CN102438282A (en) * | 2010-09-29 | 2012-05-02 | 中兴通讯股份有限公司 | Information transmission method and system |
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|---|---|---|---|---|
| US20020119774A1 (en) * | 2001-02-26 | 2002-08-29 | Regina Johannesson | Method for PLMN selection |
| CN102118721A (en) * | 2010-01-04 | 2011-07-06 | 中兴通讯股份有限公司 | Evolved packet system and attachment processing method of emergency call thereof |
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|---|---|---|---|---|
| CN101040490A (en) * | 2004-12-09 | 2007-09-19 | 三星电子株式会社 | Method and system for relocating serving radio network controller in a network sharing system |
| CN101926200A (en) * | 2008-01-25 | 2010-12-22 | 爱立信电话股份有限公司 | The frequency that is used for cellular communication inserts the method and apparatus of restriction |
| CN101588613A (en) * | 2008-05-22 | 2009-11-25 | 华为技术有限公司 | Method, controller and system for user equipment |
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| CN102438282A (en) * | 2010-09-29 | 2012-05-02 | 中兴通讯股份有限公司 | Information transmission method and system |
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