CN102932828B - Source network equipment, system and method for transmitting MDT (Minimization of Drive Test) configuration information in switching process - Google Patents
Source network equipment, system and method for transmitting MDT (Minimization of Drive Test) configuration information in switching process Download PDFInfo
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Abstract
The invention provides a source network equipment, system and method for transmitting MDT (Minimization of Drive Test) configuration information in a switch process. The method comprises the following steps that: when terminals need to be subjected to PLMN (Public Land Mobile Network) switching, the source network equipment selects target PLMN information for the terminals; and in the terminal switching process, the source network equipment transmits the MDT measuring configuration information under a signaling-based intermediate MDT reporting mode to target network equipment when the following two sets, namely, a set including authorized PLMN lists allowed by the terminals or peer-to-peer PLMN lists allowed by the terminals and current service PLMN of the terminals, MDT PLMN in the MDT configuration information of the terminals stored in the source network equipment, have interactions. Due to adoption of the scheme, the MDT measuring management is better achieved under a network sharing scene, the MDT processing capability of operators under multiple EPLMN (Equivalent PLMN) and the peer-to-peer processing expect under main PLMN are met, and the network optimization capability is improved.
Description
Technical field
The present invention relates to wireless communication technology field, it is more particularly related to realize in a communications system across
Source network device, the system and method for MDT configuration information is transmitted under PLMN (public land mobile network) handoff scenario.
Background technology
Carry out cost and the complexity of artificial drive test, third generation Partnership Program in order to reduce operator using special equipment
(3GPP, Third Generation Partnership Projects) be organized in universal land radio access web (UTRAN,
Universal Terrestrial Radio Access Network) and evolution universal land radio access web (E-
UTRAN, Evolved Universal Terrestrial Radio Access Network) system version 10
(Release-10) start to introduce to minimize drive test (MDT, Minimization of Drive Test) function.UTRAN includes
Base station (Node B) and radio network controller (RNC), its corresponding core net (CN, Core Network) includes host-user
Server (HSS, Home Subscriber Server), Mobile Switching Center Server (MSC Server, Mobile
Switching Centre Server), service GPRS Support Node (SGSN, Serving GPRS Support Node,
GPRS-General Packet Radio Service- GPRS (general packet radio service)) etc..E-UTRAN includes evolution base station
(eNB), its corresponding core net CN includes host-user server HSS, mobile management entity (MME, Mobile
Management Entity) etc..It is logical that MDT function utilizes user equipment (UE, User Equipment) automatically to collect metrical information
Cross chain of command (Control Plane) signaling report to wireless access network (RAN, Radio Access Network, for
UTRAN system refers to RNC, refers to eNB for E-UTRAN system), then by wireless access network report to Operation ＆ Maintenance System (OAM,
Operation And Maintenance) tracking collect entity (TCE, Trace Collection Entity).MDT's should
Mainly include the aspects such as coverage optimization, capacity optimization, mobility optimization, common signal channel parameter optimization with scene.
In prior art, MDT supports the MDT (Management based MDT) based on the management and MDT based on signaling
(Signaling based MDT).The activation process of the MDT based on management is typically (taking E-UTRAN system as a example, below all
Together) MDT that OAM sends messages to eNB to activate some UE measures, and eNB selects UE according to region (Area) information receiving, and
MDT configuration information is sent to the UE choosing.The activation process of the MDT based on signaling is typically OAM and sends messages to HSS to swash
The MDT measurement of certain UE alive, the MDT configuration information of this UE is sent to MME by HSS, and the MDT configuration information of this UE is sent by MME
To eNB, eNB the most at last MDT configuration information be sent to UE.MDT based on signaling generally use IMSI International Mobile Subscriber Identity (IMSI,
International Mobile Subscriber Identity) or international mobile station device identification (IMEI,
International Mobile Station Equipment Identity) specifying certain UE, or add area information
To limit the selection of UE.
In prior art, MDT supports that UE carries out MDT measurement in connection (CONNECTED) state and idle (IDLE) state,
The MDT carrying out in connection status referred to as MDT (Immediate MDT) immediately, the MDT carrying out in idle condition referred to as record MDT
(Logged MDT).MDT refers to UE and carries out MDT measurement and in time by metrical information in connection status according to MDT configuration information immediately
Report to wireless access network, then reported to TCE by wireless access network.Record MDT refers to UE and configures letter in idle condition according to MDT
Breath carries out MDT measurement and stores metrical information, reports to wireless access network again, then lead to when waiting follow-up entrance connection status
Cross wireless access network to report to TCE.UE can be furnished with MDT configuration information and record two sets of independent configurations of MDT configuration information immediately
Information, immediately MDT configuration information be used for instructing UE to carry out MDT measurement immediately and report, record MDT configuration information is used for instructing UE
Carry out recording MDT measurement and storage.Two kinds of MDT configuration information are all to UE when UE is in connection status by network configuration.
In actual networking, network share makes the operators again can be to respective portion while Cooperative construction communication network
Divide flexible management.Thus greatly shortening the networking cycle, and total operating cost (TCO) is greatly lowered.Meanwhile, network is common
Enjoy and can promote most optimum distribution of resources, it is to avoid repeated construction, realize maintaining and increaseing the value of assets.Network share is just becoming in networking
Very important problem.Network share has multiple implementation methods, shares including access network, refers to multiple operators in shared region
Domain has a Radio Access Network, and core net and service network are each independent, see Fig. 1.Multiple core net fortune of share of access network
Battalion business has each independent mobile network mark and operator identifier.User can preserve in core net when signing and manage
A set of for equal EPLMN list (Equivalent PLMN list) information under cell selection, cell reselection, switching, should
Information can be changed, and national code (MCC) PLMN consistent with region code (MNC) is then referred to as this UE's in the IMSI of UE
HPLMN(Home PLMN).For the MDT based on signaling, OAM/MME selects to obtain UE's by HSS when UE
EPLMN information is judged, as long as MDT PLMN is equal to an arbitrary PLMN in HPLMN or EPLMN list, then this UE is just
May select for executing MDT measuring task.Meanwhile, in current handoff procedure, as long as UE is not the switching across PLMN, that
Handoff procedure needs transmit the configuration information reporting MDT immediately.Meanwhile, if what UE carried out is across PLMN switching, that
MDT configuration information needs to carry out deactivating operation (not accounting for EPLMN list collection).But, in current handoff procedure
For the MDT based on signaling and be how to take into full account that the solution of network share scene is not filled under MDT mode immediately
The consideration dividing, therefore single processing mode can lead to user but not carry out under the EPLMN network allowing to carry out MDT accordingly
MDT measurement.
Therefore, when network share, how to realize the reporting schemes of MDT immediately based on signaling in handoff procedure and configure
Information is effectively transmitted needs and is resolved, and so could preferably meet operator the process energy of MDT and master under multiple EPLMN
The expectation of the equal process under PLMN.At present for the configuration information of MDT, report both different according to reporting immediately with daily record
Type content also different.Including the MDT scope of application, available cell list or TA list representing, the mark letter of UE
Breath (being only used for the tracking based on UE in UMTS), MDT measures content, for reporting pattern immediately in addition it is also necessary to comprise to report triggering
Event and report interval, reports quantity.Pattern is reported for daily record, then includes log recording interval, daily record distributing sustainable time.
Content of the invention
In order to solve the above problems, the present invention provide a kind of handoff procedure in transmit MDT configuration information source network device,
System and method, realizes MDT measuring management being better achieved under network share scene, meets operator under multiple EPLMN
The expectation of the equal process under the disposal ability of MDT and main PLMN, improves network optimization ability.
The present invention provides a kind of method transmitting MDT configuration information in handoff procedure, including：
When terminal needs to carry out public land mobile network PLMN switching, source network device is described terminal selection target
PLMN information；
In described terminal switching process, when following two set exist and occur simultaneously, source network device is by based on signaling
The MDT measurement configuration information minimizing immediately under drive test MDT reporting schemes is delivered to destination network device：
(1) terminal is allowed mandate PLMN list or the reciprocity PLMN list that terminal is allowed and terminal current service
The set of PLMN；(2) the drive test public land of minimum immediately in the MDT configuration information of described terminal that source network device preserves
Mobile network MDT PLMN.
Further, in described terminal switching process, source network device is by under the MDT reporting schemes based on signaling
MDT measurement configuration information is delivered to destination network device and also needs to meet following condition：
PLMN in described common factor and all Home PLMN list informations of target handover cell there is also common factor.
Further, described source network device selects any one PLMN as target PLMN information from following intersection：
The intersection of the reciprocity PLMN list that the current service PLMN of terminal is allowed with it, or the service PLMN that terminal is current
The intersection of the mandate PLMN list being allowed with it.
Further, the target PLMN information of described selection also needs to meet is all Home PLMN of target handover cell
PLMN in list information.
Further, in LTE or lte-a system, described source network device is source base station, and destination network device is target
Base station；
Send handover request by S1 interface to mobile management entity MME after described source base station selection target PLMN information to disappear
Breath, wherein comprises described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After described MME receives handover request message, handover request message is sent to target BS by S1 interface, wherein
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；Target BS receives switching
After request, prepare switching resource requirement, after being ready to complete to MME send switching request acknowledgement message, MME send switching command to
Source base station；After described source base station receives switching command message, by eating dishes without rice or wine, switching command is sent to terminal.
Further, in Long Term Evolution LTE or lte-a system, source network device is source base station, and destination network device is
Target BS；
Described source base station sends handover request message to target BS by X2 interface after selecting MDT measurement configuration information,
Wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After target BS receives handover request, prepare switching resource requirement, after being ready to complete, send switching to source base station
Request confirms message, after source base station receives this message, by eating dishes without rice or wine, switching command is sent to terminal.
Further, in universal land radio access web UTRAN system, described source network device is source radio network control
Device RNC processed, destination network device is Target RNC；
Described source RNC sends handover request message by Iu interface to core net, wherein after selecting MDT measurement configuration information
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After described core net receives handover request message, handover request message is sent to Target RNC by Iu interface, its
In comprise described target PLMN information, and current UE report MDT measurement configuration information immediately；Target RNC receives switching
After request, prepare switching resource requirement, after being ready to complete, send switching request acknowledgement message to core net, core net sends switching
Order to source RNC；After described source RNC receives switching command message, by eating dishes without rice or wine, switching command is sent to terminal.
Further, in UTRAN system, described source network device is source radio network controller RNC, and objective network sets
Standby for Target RNC；
Described source RNC sends handover request message to Target RNC by IUR interface after selecting MDT measurement configuration information, its
In comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After Target RNC receives handover request, prepare switching resource requirement, sending switching to after being ready to complete source RNC please
Seek confirmation message, after source RNC receives this message, by eating dishes without rice or wine, switching command is sent to terminal.
Further, methods described also includes：
Described destination network device receives after receiving handover request, if described target PLMN is not in target handover cell
In all Home PLMN list informations, then destination network device refuses this switching.
Further, methods described also includes：
Described destination network device retains the MDT measurement configuration information of described terminal.
The present invention also provides the source network device transmitting MDT configuration information in a kind of handoff procedure：
Described source network device includes selecting module, judge module and sending module；
Described selecting module, for when terminal needs to carry out public land mobile network PLMN switching, being described terminal
Selection target PLMN information；
Described judge module, for judging following two set with the presence or absence of common factor：(1) the mandate PLMN that terminal is allowed
The set of the reciprocity PLMN list that list or terminal are allowed and terminal current service PLMN；(2) institute that source network device preserves
State the drive test public land mobile network MDT PLMN of minimum immediately minimizing in drive test MDT configuration information immediately of terminal；
If exist occuring simultaneously, described sending module is notified to be delivered to the MDT measurement configuration information under the MDT reporting schemes based on signaling
Destination network device；
Described sending module, for receive described notify after in terminal switching process by the minimum immediately based on signaling
MDT measurement configuration information under drive test MDT reporting schemes is delivered to destination network device.
Further, described judge module is additionally operable to determine whether the PLMN in described common factor and target handover cell
Whether all Home PLMN list informations there is also common factor, if exist occuring simultaneously, notify sending module by the MDT based on signaling
MDT measurement configuration information under report mode is delivered to destination network device.
Further, the target PLMN information that described selecting module selects is any one of following intersection PLMN：
The intersection of the reciprocity PLMN list that the current service PLMN of terminal is allowed with it, or the service PLMN that terminal is current
The intersection of the mandate PLMN list being allowed with it.
Further, it is all of target handover cell that the target PLMN information that described selecting module selects also needs to meet
PLMN in Home PLMN list information.
The present invention also provides the system transmitting MDT configuration information in a kind of handoff procedure, and described system includes the above
Arbitrary described source network device；Described system also includes destination network device.
Further, in Long Term Evolution LTE or lte-a system, described source network device is source base station, and objective network sets
Standby for target BS；Described system also includes mobile management entity MME；
Described source base station sends handover request message by S1 interface to MME, wherein after being used for selection target PLMN information
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching life
After making message, by eating dishes without rice or wine, switching command is sent to terminal；
After described MME is used for receiving handover request message, handover request message is sent to target BS by S1 interface,
Wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching
Request sends switching command to source base station after confirming message；
After described target BS is used for receiving handover request, prepares switching resource requirement, send to MME after being ready to complete
Switching request acknowledgement message.
Further, in LTE or lte-a system, source network device is source base station, and destination network device is target base
Stand；
Described source base station sends handover request message to target base by X2 interface after being used for selecting MDT measurement configuration information
Stand, wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive
To after switching request acknowledgement message, by eating dishes without rice or wine, switching command is sent to terminal；
After target BS receives handover request, prepare switching resource requirement, after being ready to complete, send switching to source base station
Request confirms message.
Further, in universal land radio access web UTRAN system, described source network device is source radio network control
Device RNC processed, destination network device is Target RNC；Described system also includes core net；
Described source RNC sends handover request message by Iu interface to core net after being used for selecting MDT measurement configuration information,
Wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive and cut
After changing command messages, by eating dishes without rice or wine, switching command is sent to terminal；
After described core net is used for receiving handover request message, handover request is sent to Target RNC by Iu interface and disappears
Breath, wherein comprises described target PLMN information, and current UE report MDT measurement configuration information immediately；It is additionally operable to receive and cut
Change after request confirms message and send switching command to source RNC；
After described Target RNC is used for receiving handover request, prepares switching resource requirement, send out to core net after being ready to complete
Send switching request acknowledgement message.
Further, in UTRAN system, described source network device is source radio network controller RNC, and objective network sets
Standby for Target RNC；
Described source RNC sends handover request message to target by IUR interface after being used for selecting MDT measurement configuration information
RNC, wherein comprises described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive
After switching request acknowledgement message, by eating dishes without rice or wine, switching command is sent to terminal；
After described Target RNC is used for receiving handover request, prepares switching resource requirement, send out to source RNC after being ready to complete
Send switching request acknowledgement message.
Further, after described destination network device is additionally operable to receive and receives handover request, judge described target PLMN
Whether in all Home PLMN list informations of target handover cell, if not existing, refuse this switching.
Further, described destination network device is additionally operable to retain the MDT measurement configuration information of described terminal.
In sum, using technical scheme, pass through under network share scene for base in a communications system
In UE handoff procedure under the reporting schemes of MDT immediately of signaling, MDT measurement configuration is effectively treated, and therefore UE completes to switch
It is possible to afterwards continue to report MDT measurement report immediately in the destination network device meeting condition, realize operator in multiple EPLMN
Processing of lower MDT can fully be realized UE and carry out MDT measurement collection function, improve net with the expectation of the equal process under main PLMN
Network optimization processing efficiency.
The present invention is applied to LTE (Long Term Evolution)/LTE-A and UTRAN communication system.
Brief description
Fig. 1 is network share system schematic；
Fig. 2 is MDT measurement configuration conveying flow one under LTE or LTE-A scene；
Fig. 3 is MDT measurement configuration conveying flow two under LTE or LTE-A scene；
Fig. 4 is MDT measurement configuration conveying flow three under LTE or LTE-A scene；
Fig. 5 is MDT measurement configuration conveying flow four under LTE or LTE-A scene；
Fig. 6 is MDT measurement configuration conveying flow one under UTRAN scene；
Fig. 7 is MDT measurement configuration conveying flow two under UTRAN scene；
Fig. 8 is MDT measurement configuration conveying flow three under UTRAN scene；
Fig. 9 is MDT measurement configuration conveying flow four under UTRAN scene.
Specific embodiment
The present invention provides source network device, the system and method transmitting MDT configuration information in a kind of handoff procedure, realizes
MDT measuring management is better achieved under network share scene, meets the operator disposal ability of MDT and master under multiple EPLMN
The expectation of the equal process under PLMN, improves network optimization ability.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made further
Ground describes in detail.
For convenience it would be desirable to carry out MDT measurement PLMN be referred to as MDT PLMN, this information by OAM configuration management,
May be embodied in the Trace Reference information in MDT measurement configuration information it is also possible to by MDT PLMN is separately configured
Information is issued.
Under network share scene, based on the MDT reporting schemes immediately of signaling, when the current service of MDT PLMN and UE
An arbitrary PLMN in PLMN (serving PLMN) and its EPLMN list (Equivalent PLMN lists) of being belonged to
When identical, this UE all can be selected to issue MDT measurement configuration information.
Apparatus embodiments
The present embodiment provides the source network device transmitting MDT configuration information in a kind of handoff procedure；
Source network device includes selecting module, judge module and sending module；
Selecting module, for when terminal needs to carry out PLMN switching, being terminal selection target PLMN information；
Judge module, for judging following two set with the presence or absence of common factor：(1) the mandate PLMN list that terminal is allowed
Or the set of the EPLMN list that allowed of terminal and terminal current service PLMN；(2) the described terminal that source network device preserves
MDT PLMN in MDT configuration information；If exist occuring simultaneously, notify sending module by the drive test MDT of minimum immediately based on signaling
MDT measurement configuration information under reporting schemes is delivered to destination network device；
Sending module, for receive described notify after in terminal switching process by the minimum drive test immediately based on signaling
MDT measurement configuration information under MDT reporting schemes is delivered to destination network device.
Further, the target PLMN information that selecting module selects is any one of following intersection PLMN：Terminal is current
The intersection of EPLMN list that allowed with it of service PLMN, or the current service PLMN of terminal and its mandate of being allowed
The intersection of PLMN list.
Further, the target PLMN information that selecting module selects also needs to meet all of target handover cell returns
Belong to the PLMN in PLMN list information.
Further, judge module is additionally operable to determine whether that the PLMN's and target handover cell in described common factor is all
Whether Home PLMN list information there is also common factor, if exist occuring simultaneously, notifies sending module by the MDT side of reporting based on signaling
MDT measurement configuration information under formula is delivered to destination network device.
System embodiment
The present embodiment provides the system transmitting MDT configuration information in a kind of handoff procedure, including source network device and target
The network equipment；
Source network device, for when terminal needs to carry out public land mobile network PLMN switching, being described terminal choosing
Select target PLMN information；And when following two set exist and occur simultaneously by the MDT measurement under the MDT reporting schemes based on signaling
Configuration information is delivered to destination network device：(1) terminal is allowed mandate PLMN list or the EPLMN list that terminal is allowed
Set with terminal current service PLMN；(2) MDTPLMN in the MDT configuration information of terminal that source network device preserves.
Further, the target PLMN information that source network device selects is any one of following intersection PLMN：Terminal is worked as
The intersection of the EPLMN list that front service PLMN is allowed with it, or the current service PLMN of terminal and its mandate of being allowed
The intersection of PLMN list.
Further, the target PLMN information that source network device selects also needs to meet all of target handover cell returns
Belong to the PLMN in PLMN list information.
Further, source network device also judges all Home PLMN of the PLMN in described common factor and target handover cell
Whether list information there is also common factor, if exist occuring simultaneously, by the MDT measurement configuration information under the MDT reporting schemes based on signaling
It is delivered to destination network device.
Specifically：
A (), in LTE or lte-a system, source network device is source base station, destination network device is target BS；Above-mentioned
System also includes MME；
Source base station sends handover request message by S1 interface to MME after being used for selection target PLMN information, wherein comprises
Described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching command and disappear
After breath, by eating dishes without rice or wine, switching command is sent to terminal；
After MME is used for receiving handover request message, handover request message is sent to target BS by S1 interface, wherein
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive handover request
Switching command be sent to source base station after confirming message；
After target BS is used for receiving handover request, prepares switching resource requirement, after being ready to complete, send switching to MME
Request confirms message.
B (), in LTE or lte-a system, source network device is source base station, destination network device is target BS；
Source base station sends handover request message to target BS by X2 interface after being used for selecting MDT measurement configuration information,
Wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive and cut
After changing request confirmation message, by eating dishes without rice or wine, switching command is sent to terminal；
After target BS receives handover request, prepare switching resource requirement, after being ready to complete, send switching to source base station
Request confirms message.
C (), in UTRAN system, source network device is source RNC, destination network device is Target RNC；Said system is also wrapped
Include core net；
Source RNC sends handover request message by Iu interface to core net, wherein after being used for selecting MDT measurement configuration information
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching life
After making message, by eating dishes without rice or wine, switching command is sent to terminal；
After core net is used for receiving handover request message, handover request message is sent to Target RNC by Iu interface, its
In comprise described target PLMN information, and current UE report MDT measurement configuration information immediately；It is additionally operable to receive handover request
Switching command be sent to source RNC after confirming message；
After Target RNC is used for receiving handover request, prepare switching resource requirement, send to core net after being ready to complete and cut
Change request and confirm message.
D (), in UTRAN system, source network device is source RNC, destination network device is Target RNC；
Source RNC sends handover request message to Target RNC by IUR interface after being used for selecting MDT measurement configuration information, its
In comprise target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive handover request true
After recognizing message, by eating dishes without rice or wine, switching command is sent to terminal；
After Target RNC is used for receiving handover request, prepare switching resource requirement, send to after being ready to complete source RNC and cut
Change request and confirm message.
Further, after destination network device is additionally operable to receive and receives handover request, judge target PLMN whether in mesh
In all Home PLMN list informations of mark switching cell, if not existing, refuse this switching.
Further, destination network device is additionally operable to retain the MDT measurement configuration information of terminal.
Embodiment of the method
Embodiment one
During switching under LTE or LTE-A scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 2, S1 interface
Switching flow method one)：
S101：The MDT configuration information for this UE that source base station preservation receives from MME.
S102：Source base station judgement current UE needs to carry out PLMN switching, and source base station selects suitable Target cell for UE, and
Obtain all Home PLMN list informations (namely Broadcast PLMN list) of Target cell, and select for UE further
Target PLMN information.
Here the mode obtaining all Home PLMN list informations of Target cell can obtain from network management backstage
Take or obtained by X2 interface message.
Source base station is concentrated from following two intersection of sets and is selected arbitrary PLMN as target PLMN information：
(1) all Home PLMN list informations (namely Broadcast PLMN list) of target handover cell, (2) UE
Current service PLMN and its intersection of the EPLMN list (Equivalent PLMN lists) being allowed；
When following 3 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) all Home PLMN list informations (namely Broadcast PLMN list) of target handover cell；(2)UE
Current service PLMN and its intersection of the EPLMN list (Equivalent PLMN lists) being allowed；(3) source base station preserves
The MDT configuration information of UE in MDT PLMN.
Afterwards, source base station sends handover request message (HANDOVER REQUIRED) to MME by S1 interface, wherein wraps
Containing for UE select target PLMN information to be switched to, and current UE report MDT measurement configuration information immediately；
S103：After MME receives handover request message, handover request message is sent to target BS by S1 interface
(HANDOVER REQUEST), wherein comprises UE target PLMN information to be switched to, and current UE report MDT immediately
Measurement configuration information；
S104：After target BS receives handover request, prepare switching resource requirement, send to MME after being ready to complete and cut
Change request and confirm message (HANDOVER REQUEST ACKNOWLEDGE)；
S105：MME sends switching command (HANDOVER COMMAND) to source base station；
S106：After source base station receives switching command message (HANDOVER COMMAND), source base station passes through to eat dishes without rice or wine to cut
Change order and be sent to terminal；
S107：After being switched to Target cell, target BS can continue to retain the MDT measurement configuration information of UE UE, makes
Obtain UE this configuration information in next handoff procedure still effective.
Although such as UE source base station due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
It is when being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then target BS can
Report MDT measuring task to allow UE to execute at once immediately.
Embodiment two
During switching under LTE or LTE-A scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 3, X2 switching
Flow and method one)：
S201：The MDT configuration information for this UE that source base station preservation receives from MME.
S202：Source base station judgement current UE needs to switch over, and source base station selects suitable Target cell for UE, and obtains
All Home PLMN list informations (namely Broadcast PLMNlist) of Target cell, and be UE selection target further
PLMN information.
Here obtain Target cell all Home PLMN list informations mode can from network management backstage obtain or
Person is obtained by X2 interface message.
Source base station is concentrated from following two intersection of sets and is selected arbitrary PLMN as target PLMN information：
(1) all Home PLMN list informations (namely Broadcast PLMN list) of target handover cell, (2) UE
Current service PLMN and its intersection of the EPLMN list (Equivalent PLMN lists) being allowed；
When following 3 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) all Home PLMN list informations (namely Broadcast PLMN list) of target handover cell；(2)UE
Current service PLMN and its intersection of the EPLMN list (Equivalent PLMN lists) being allowed；(3) source base station preserves
The MDT configuration information of UE in MDT PLMN.
Afterwards, source base station sends handover request message (HANDOVERREQUEST) to target BS by X2 interface, wherein
Be included as UE selection target PLMN information to be switched to, and current UE report MDT measurement configuration information immediately.
S203：After target BS receives handover request, prepare switching resource requirement, send to source base station after being ready to complete
Switching request acknowledgement message (HANDOVER REQUEST ACKNOWLEDGE)；
S204：After source base station receives this message, by eating dishes without rice or wine, switching command is sent to terminal；
S205：After being switched to Target cell, target BS can continue to retain the MDT measurement configuration information of UE UE, makes
Obtain UE this configuration information in next handoff procedure still effective.
Although such as UE source base station due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
It is when being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then target BS can
Report MDT measuring task to allow UE to execute at once immediately.
Embodiment three
During switching under LTE or LTE-A scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 4, S1 switching
Flow and method two)：
S301：The MDT configuration information for this UE that source base station preservation receives from MME.
S302：Source base station judgement current UE needs to switch over, and source base station is the UE suitable Target cell of selection, goes forward side by side one
Walk as UE selection target PLMN information.
Source base station selects arbitrary PLMN as the target PLMN information of UE from following intersection：UE current service PLMN and its
The intersection of the EPLMN list (Equivalent PLMN lists) being allowed.
When following 2 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) intersection of the EPLMN list (Equivalent PLMN lists) that UE current service PLMN is allowed with it；
(2) the MDT PLMN in the MDT configuration information of UE that source base station preserves exists and occurs simultaneously.
Afterwards, source base station sends handover request message (HANDOVER REQUIRED) to MME by S1 interface, wherein wraps
Containing for UE select target PLMN information to be switched to, and current UE report MDT measurement configuration information immediately.
S303：After MME receives handover request message, handover request message is sent to target BS by S1 interface
(HANDOVER REQUEST), wherein comprises UE target PLMN information to be switched to, and current UE report MDT immediately
Measurement configuration information；
S304：After target BS receives handover request, if the target PLMN information that source base station selects for UE is not in mesh
In all Home PLMN list informations (namely Broadcast PLMN list) of mark switching cell, then target BS is permissible
Refuse this switching, otherwise target BS prepares switching resource requirement, sends switching request acknowledgement message to MME after being ready to complete
(HANDOVER REQUEST ACKNOWLEDGE)；
S305：MME sends switching command (HANDOVER COMMAND) to source base station；
S306：After source base station receives switching command message (HANDOVER COMMAND), by eating dishes without rice or wine switching command
It is sent to terminal；
S307：After being switched to Target cell, target BS can continue to retain the MDT measurement configuration information of UE UE, makes
Obtain UE this configuration information in next handoff procedure still effective.
Although such as UE source base station due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
It is when being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then target BS can
Report MDT measuring task to allow UE to execute at once immediately.
Example IV
During switching under LTE or LTE-A scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 5, X2 switching
Flow and method two)：
S401：The MDT configuration information for this UE that source base station preservation receives from MME.
S402：Source base station judgement current UE needs to switch over, and source base station is the UE suitable Target cell of selection, goes forward side by side one
Walk as UE selection target PLMN information.
Source base station selects arbitrary PLMN as the target PLMN information of UE from following intersection：UE current service PLMN and its
The intersection of the EPLMN list (Equivalent PLMN lists) being allowed.
When following 2 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) intersection of the EPLMN list (Equivalent PLMN lists) that UE current service PLMN is allowed with it；
(2) the MDT PLMN in the MDT configuration information of UE that source base station preserves exists and occurs simultaneously.
Afterwards, source base station sends handover request message (HANDOVER REQUEST) to target BS by X2 interface, its
In be included as UE selection target PLMN information to be switched to, a current UE report MDT measurement configuration information immediately.
S403：After target BS receives handover request, if source base station is UE selection target PLMN information not in target
In all Home PLMN list informations (namely Broadcast PLMN list) of switching cell, then target BS can be refused
This switching absolutely, otherwise target BS preparation switching resource requirement, send Handover Request Acknowledge to source base station after being ready to complete and disappear
Breath (HANDOVER REQUEST ACKNOWLEDGE)；
S404：After source base station receives this message, by eating dishes without rice or wine, switching command is sent to terminal；
S405：After being switched to Target cell, target BS can continue to retain the MDT measurement configuration information of UE UE, makes
Obtain UE this configuration information in next handoff procedure still effective.
Although such as UE source base station due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
It is when being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then target BS can
Report MDT measuring task to allow UE to execute at once immediately.
Embodiment five
During switching under UTRAN scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 6, IU switching flow side
Method one)：
S501：The MDT configuration information for this UE that RNC preservation in source receives from CN.
S502：RNC judgement current UE in source needs to switch over, and source RNC selects suitable Target cell for UE, and obtains mesh
All Home PLMN list informations (namely Multiple PLMN List) of mark cell, and be UE selection target PLMN further
Information.
Here obtain Target cell all Home PLMN list informations mode can from network management backstage obtain or
Person is obtained by IUR interface message.
Source RNC selects arbitrary PLMN as the target PLMN information of UE from following intersection：UE current service PLMN and its
The intersection of the mandate PLMN list (Authorized PLMN lists) being allowed.
When following 2 kinds set exist and occur simultaneously, source RNC judges to need to carry out the transmission of MDT configuration information：
(1) conjunction of the mandate PLMN list (Authorized PLMN lists) that UE current service PLMN is allowed with it
Collection；(2) the MDT PLMN in the MDT configuration information of UE that source RNC preserves.
Afterwards, source RNC sends handover request message (RELOCATION REQUIRED) to CN by IU interface, wherein wraps
Containing the target PLMN information to be switched to selecting for UE, and comprise current UE report MDT measurement configuration information immediately.
S503：After CN receives handover request message, handover request message is sent to Target RNC by IU interface
(RELOCATION REQUEST), wherein comprises UE target PLMN information to be switched to, and comprises going up immediately of current UE
Report MDT measurement configuration information；
S504：After Target RNC receives handover request, if target PLMN that source RNC selects for UE does not switch in target
In all Home PLMN list informations (namely Multiple PLMN List) of cell, then Target RNC can refuse this
Switching, otherwise Target RNC preparation switching resource requirement, sends switching request acknowledgement message to CN after being ready to complete
(RELOCATION REQUEST ACKNOWLEDGE)；
S505：CN sends switching command (RELOCATION COMMAND) to source RNC；
S506：After source RNC receives switching command message (RELOCATION COMMAND), source RNC passes through to eat dishes without rice or wine to cut
Change order and be sent to terminal；
S507：UE after being switched to Target cell, Target RNC can continue retain UE MDT measurement configuration information so that
UE this configuration information in next handoff procedure is still effective.Although such as UE is in source RNC due to current service PLMN and MDT
PLMN inconsistent and do not execute MDT measurement, but when being switched to Target cell, if switching after service PLMN and
MDT PLMN is consistent, then Target RNC just can allow UE execute at once and report MDT measuring task immediately.
Embodiment six
During switching under UTRAN scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 7, IU interface switching stream
Cheng Fangfa bis-)：
S601：The MDT configuration information for this UE that RNC preservation in source receives from CN.
S602：Source RNC judgement current UE needs to carry out PLMN switching, and source RNC selects suitable Target cell for UE, and obtains
Take all Home PLMN list informations (namely Multiple PLMN List) of Target cell, and be UE selection target further
PLMN information.
Here the acquisition modes of all Home PLMN list informations of Target cell can from network management backstage obtain or
Person is obtained by IUR interface message.
Source RNC is that the mode of UE selection target PLMN information is：
Source RNC concentrates from following two intersection of sets and selects arbitrary PLMN as target PLMN information：
(1) all Home PLMN list informations (namely Multiple PLMN List) of target handover cell, (2) UE works as
Front service PLMN and its intersection of the mandate PLMN list (Authorized PLMN lists) being allowed；
When following 3 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) all Home PLMN list informations (namely Multiple PLMN List) of target handover cell；(2) UE works as
Front service PLMN and its set of the mandate PLMN list (Authorized PLMN lists) being allowed；(3) source RNC preserves
The MDT configuration information of UE in MDT PLMN.
Afterwards, source RNC sends handover request message (RELOCATION REQUIRED) to CN by IU interface, wherein wraps
Containing UE target PLMN information to be switched to, and comprise current UE report MDT measurement configuration information immediately；
S603：After CN receives handover request message, handover request message is sent to Target RNC by IU interface
(RELOCATION REQUEST), wherein comprises UE target PLMN information to be switched to, and comprises going up immediately of current UE
Report MDT measurement configuration information；
S604：After Target RNC receives handover request, prepare switching resource requirement, after being ready to complete, send switching to CN
Request confirms message (RELOCATION REQUEST ACKNOWLEDGE)；
S605：CN sends switching command (RELOCATION COMMAND) to source RNC；
S606：After source RNC receives switching command message (RELOCATION COMMNAD), source RNC passes through to eat dishes without rice or wine to cut
Change order and be sent to terminal；
S607：UE after being switched to Target cell, Target RNC can continue retain UE MDT measurement configuration information so that
UE this configuration information in next handoff procedure is still effective.
Although such as UE source RNC due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
When being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then Target RNC just can allow
Execution reports MDT measuring task to UE immediately at once.
Embodiment seven
During switching under UTRAN scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 8, IUR switching flow
Method one)：
S701：The MDT configuration information for this UE that RNC preservation in source receives from CN.
S702：RNC judgement current UE in source needs to switch over, and source RNC selects suitable Target cell for UE, and obtains mesh
All Home PLMN list informations (namely Multiple PLMN List) of mark cell, and be UE selection target PLMN further
Information.
Here the acquisition modes of all Home PLMN list informations of Target cell can from network management backstage obtain or
Person is obtained by IUR interface message.
Source RNC concentrates from following two intersection of sets and selects arbitrary PLMN as target PLMN information：
(1) all Home PLMN list informations (namely Multiple PLMN List) of target handover cell, (2) UE works as
Front service PLMN and its intersection of the mandate PLMN list (Authorized PLMN lists) being allowed；
When following 3 kinds set exist and occur simultaneously, source base station judges to need to carry out the transmission of MDT configuration information：
(1) all Home PLMN list informations (namely Multiple PLMN List) of target handover cell；(2) UE works as
Front service PLMN and its set of the mandate PLMN list (Authorized PLMN lists) being allowed；(3) source RNC preserves
The MDT configuration information of UE in MDT PLMN.
Afterwards, source RNC sends handover request message (RADIO LINK SETUP to Target RNC by IUR interface
REQUEST), wherein it is included as the target PLMN information to be switched to of UE selection, and the MDT that reports immediately of current UE surveys
Amount configuration information.
S703：After Target RNC receives handover request, prepare switching resource requirement, send to after being ready to complete source RNC and cut
Change request and confirm message (RADIO LINK SETUP RESPONSE)；
S704：After source RNC receives this message, by eating dishes without rice or wine, switching command is sent to terminal；
S705：UE after being switched to Target cell, Target RNC can continue retain UE MDT measurement configuration information so that
UE this configuration information in next handoff procedure is still effective.
Although such as UE source RNC due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
When being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then Target RNC just can allow
Execution reports MDT measuring task to UE immediately at once.
Embodiment eight
During switching under UTRAN scene, MDT measurement configuration conveying flow is described as follows (in conjunction with Fig. 9, IUR switching flow
Method two)：
S801：The MDT configuration information for this UE that RNC preservation in source receives from CN.
S802：RNC judgement current UE in source needs to switch over, and source RNC selects suitable Target cell for UE, and further
For UE selection target PLMN information.
Source RNC selects arbitrary PLMN as the target PLMN information of UE from following intersection：UE current service PLMN and its
The intersection of the mandate PLMN list (Authorized PLMN lists) being allowed.
When following 2 kinds set exist and occur simultaneously, source RNC judges to need to carry out the transmission of MDT configuration information：
(1) conjunction of the mandate PLMN list (Authorized PLMN lists) that UE current service PLMN is allowed with it
Collection；(2) MDTPLMN in the MDT configuration information of UE that source RNC preserves.
Afterwards, source RNC sends handover request message (RADIO LINK SETUP to Target RNC by IUR interface
REQUEST), wherein it is included as the target PLMN information to be switched to of UE selection, and the MDT that reports immediately of current UE surveys
Amount configuration information.
S803：After Target RNC receives handover request, if source RNC is little in target switching for UE selection target PLMN
In all Home PLMN list informations (namely Multiple PLMN List) in area, then Target RNC can be refused this and cut
Change, otherwise Target RNC prepares switching resource requirement, send switching request acknowledgement message (RADIO to after being ready to complete source RNC
LINK SETUP RESPONSE)；
S804：After source RNC receives this message, by eating dishes without rice or wine, switching command is sent to terminal；
S805：UE after being switched to Target cell, Target RNC can continue retain UE MDT measurement configuration information so that
UE this configuration information in next handoff procedure is still effective.
Although such as UE source RNC due to current service PLMN and MDT PLMN inconsistent and do not execute MDT measurement,
When being switched to Target cell, if the service PLMN after switching is consistent with MDT PLMN, then Target RNC just can allow
Execution reports MDT measuring task to UE immediately at once.
Further, above-mentioned switching under LTE scene across PLMN can be that S1/X2 switches or inside of base station is cut
Change.It can be switching inside across RNC switching or RNC under UTRAN scene.
Finally need to illustrate that embodiment of above is to illustrate the invention and not to limit the present invention.If do not taken off
The present invention is modified or equivalent from the spirit and scope of the present invention, the claim in the present invention all should be covered
In the middle of scope.
Claims (21)
1. a kind of method transmitting MDT configuration information in handoff procedure, including：
When terminal needs to carry out public land mobile network PLMN switching, source network device is described terminal selection target PLMN
Information；
In described terminal switching process, when following two set exist and occur simultaneously, source network device is by based on signaling immediately
The MDT measurement configuration information minimizing under drive test MDT reporting schemes is delivered to destination network device：
(1) the mandate PLMN list that terminal is allowed and the set of terminal current service PLMN, or the equity that terminal is allowed
PLMN list and the set of terminal current service PLMN；(2) in the MDT configuration information of described terminal that source network device preserves
Minimize drive test public land mobile network MDT PLMN immediately.
2. the method for claim 1 it is characterised in that：
In described terminal switching process, source network device is by the MDT measurement configuration information under the MDT reporting schemes based on signaling
It is delivered to destination network device to also need to meet following condition：
PLMN in described common factor and all Home PLMN list informations of target handover cell there is also common factor.
3. the method for claim 1 it is characterised in that：
Described source network device selects any one PLMN as target PLMN information from following intersection：
The intersection of the reciprocity PLMN list that the current service PLMN of terminal is allowed with it, or the current service PLMN of terminal and its
The intersection of the mandate PLMN list being allowed.
4. method as claimed in claim 2 or claim 3 it is characterised in that：
The target PLMN information of described selection also need to meet be target handover cell all Home PLMN list informations in
PLMN.
5. method as claimed in claim 1 or 2 it is characterised in that：
In LTE or lte-a system, described source network device is source base station, and destination network device is target BS；
Pass through S1 interface after described source base station selection target PLMN information and send handover request message to mobile management entity MME,
Wherein comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After described MME receives handover request message, handover request message is sent to target BS by S1 interface, wherein comprises
Described target PLMN information, and present terminal report MDT measurement configuration information immediately；Target BS receives handover request
Afterwards, prepare switching resource requirement, after being ready to complete, send switching request acknowledgement message to MME, MME sends switching command to source base
Stand；After described source base station receives switching command message, by eating dishes without rice or wine, switching command is sent to terminal.
6. method as claimed in claim 1 or 2 it is characterised in that：
In Long Term Evolution LTE or lte-a system, source network device is source base station, and destination network device is target BS；
After described source base station selection target PLMN information, handover request message is sent to target BS by X2 interface, wherein comprise
Described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After target BS receives handover request, prepare switching resource requirement, after being ready to complete, send handover request to source base station
Confirm message, after source base station receives this message, by eating dishes without rice or wine, switching command is sent to terminal.
7. method as claimed in claim 1 or 2 it is characterised in that：
In universal land radio access web UTRAN system, described source network device is source radio network controller RNC, target
The network equipment is Target RNC；
Pass through Iu interface after the RNC selection target PLMN information of described source and send handover request message to core net, wherein comprise institute
State target PLMN information, and present terminal report MDT measurement configuration information immediately；
After described core net receives handover request message, handover request message is sent to Target RNC by Iu interface, wherein wraps
Containing described target PLMN information, and current UE report MDT measurement configuration information immediately；Target RNC receives handover request
Afterwards, prepare switching resource requirement, after being ready to complete, send switching request acknowledgement message to core net, core net sends switching command
To source RNC；After described source RNC receives switching command message, by eating dishes without rice or wine, switching command is sent to terminal.
8. method as claimed in claim 1 or 2 it is characterised in that：
In UTRAN system, described source network device is source radio network controller RNC, and destination network device is Target RNC；
After the RNC selection target PLMN information of described source, handover request message is sent to Target RNC by IUR interface, wherein comprise
Described target PLMN information, and present terminal report MDT measurement configuration information immediately；
After Target RNC receives handover request, prepare switching resource requirement, send handover request to source RNC after being ready to complete true
Recognize message, after source RNC receives this message, by eating dishes without rice or wine, switching command is sent to terminal.
9. the method for claim 1 is it is characterised in that methods described also includes：
Described destination network device receives after receiving handover request, if described target PLMN is not all in target handover cell
In Home PLMN list information, then destination network device refuses this switching.
10. method as claimed in claim 1 or 2 is it is characterised in that methods described also includes：
Described destination network device retains the MDT measurement configuration information of described terminal.
In a kind of 11. handoff procedures transmit MDT configuration information source network device it is characterised in that：
Described source network device includes selecting module, judge module and sending module；
Described selecting module, for when terminal needs to carry out public land mobile network PLMN switching, being that described terminal selects
Target PLMN information；
Described judge module, for judging following two set with the presence or absence of common factor：(1) the mandate PLMN list that terminal is allowed
With the set of terminal current service PLMN, or the set of the reciprocity PLMN list that allowed of terminal and terminal current service PLMN；
(2) drive test of minimum immediately minimizing in drive test MDT configuration information immediately of the described terminal that source network device preserves is public
Land mobile network MDT PLMN；If exist occuring simultaneously, notify described sending module by under the MDT reporting schemes based on signaling
MDT measurement configuration information is delivered to destination network device；
Described sending module, for receive described notify after in terminal switching process by the minimum drive test immediately based on signaling
MDT measurement configuration information under MDT reporting schemes is delivered to destination network device.
12. source network devices as claimed in claim 11 it is characterised in that：
Described judge module is additionally operable to determine whether all Home PLMN of the PLMN in described common factor and target handover cell
Whether list information there is also common factor, if exist occuring simultaneously, notifies sending module by the MDT under the MDT reporting schemes based on signaling
Measurement configuration information is delivered to destination network device.
13. source network devices as claimed in claim 11 it is characterised in that：
The target PLMN information that described selecting module selects is any one of following intersection PLMN：
The intersection of the reciprocity PLMN list that the current service PLMN of terminal is allowed with it, or the current service PLMN of terminal and its
The intersection of the mandate PLMN list being allowed.
14. source network devices as described in claim 12 or 13 it is characterised in that：
It is all Home PLMN lists of target handover cell that the target PLMN information that described selecting module selects also needs to meet
PLMN in information.
In a kind of 15. handoff procedures transmit MDT configuration information system it is characterised in that：Described system is included as claim
11 to 14 arbitrary described source network devices；Described system also includes destination network device.
16. systems as claimed in claim 15 it is characterised in that：
In Long Term Evolution LTE or lte-a system, described source network device is source base station, and destination network device is target BS；
Described system also includes mobile management entity MME；
Described source base station sends handover request message by S1 interface to MME after being used for selection target PLMN information, wherein comprises
Described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching command and disappear
After breath, by eating dishes without rice or wine, switching command is sent to terminal；
After described MME is used for receiving handover request message, handover request message is sent to target BS by S1 interface, wherein
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive handover request
Switching command be sent to source base station after confirming message；
After described target BS is used for receiving handover request, prepares switching resource requirement, after being ready to complete, send switching to MME
Request confirms message.
17. systems as claimed in claim 15 it is characterised in that：
In LTE or lte-a system, source network device is source base station, and destination network device is target BS；
Described source base station is used for after selection target PLMN information by X2 interface transmission handover request message to target BS, wherein
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switch and ask
After seeking confirmation message, by eating dishes without rice or wine, switching command is sent to terminal；
After target BS receives handover request, prepare switching resource requirement, after being ready to complete, send handover request to source base station
Confirm message.
18. systems as claimed in claim 15 it is characterised in that：
In universal land radio access web UTRAN system, described source network device is source radio network controller RNC, target
The network equipment is Target RNC；Described system also includes core net；
Described source RNC sends handover request message by Iu interface to core net after being used for selection target PLMN information, wherein wraps
Containing described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive switching command
After message, by eating dishes without rice or wine, switching command is sent to terminal；
After described core net is used for receiving handover request message, handover request message is sent to Target RNC by Iu interface, its
In comprise described target PLMN information, and current UE report MDT measurement configuration information immediately；It is additionally operable to receive handover request
Switching command be sent to source RNC after confirming message；
After described Target RNC is used for receiving handover request, prepare switching resource requirement, send to core net after being ready to complete and cut
Change request and confirm message.
19. systems as claimed in claim 15 it is characterised in that：
In UTRAN system, described source network device is source radio network controller RNC, and destination network device is Target RNC；
Described source RNC sends handover request message to Target RNC by IUR interface, wherein after being used for selection target PLMN information
Comprise described target PLMN information, and present terminal report MDT measurement configuration information immediately；It is additionally operable to receive handover request
After confirming message, by eating dishes without rice or wine, switching command is sent to terminal；
After described Target RNC is used for receiving handover request, prepare switching resource requirement, send to after being ready to complete source RNC and cut
Change request and confirm message.
20. systems as claimed in claim 15 it is characterised in that：
Whether described destination network device is additionally operable to receive after receiving handover request, judge described target PLMN in target switching
In all Home PLMN list informations of cell, if not existing, refuse this switching.
21. systems as claimed in claim 15 it is characterised in that：
Described destination network device is additionally operable to retain the MDT measurement configuration information of described terminal.
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| US10219309B2 (en) | 2014-06-30 | 2019-02-26 | Xi'an Zhongxing New Software Co., Ltd. | D2D service authorizing method and device and home near field communication server |
| WO2019084716A1 (en) * | 2017-10-30 | 2019-05-09 | 北京小米移动软件有限公司 | Network connection method and apparatus |
| CN110351716B (en) * | 2018-04-03 | 2021-10-26 | 大唐移动通信设备有限公司 | Method and device for processing wireless access network area code and wireless access network node |
| CN109526010B (en) * | 2019-01-02 | 2022-03-15 | 广州汇智通信技术有限公司 | Communication system switching optimization method and system |
| WO2023216067A1 (en) * | 2022-05-09 | 2023-11-16 | 北京小米移动软件有限公司 | Information transmission method and apparatus, and storage medium |
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| CN102932828A (en) | 2013-02-13 |
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