CN102131270A - Method and user equipment for reestablishing packet data network connection - Google Patents
Method and user equipment for reestablishing packet data network connection Download PDFInfo
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- CN102131270A CN102131270A CN2011101087634A CN201110108763A CN102131270A CN 102131270 A CN102131270 A CN 102131270A CN 2011101087634 A CN2011101087634 A CN 2011101087634A CN 201110108763 A CN201110108763 A CN 201110108763A CN 102131270 A CN102131270 A CN 102131270A
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Abstract
The invention discloses a method and user equipment for reestablishing grouped data network connection. The method comprises the following steps that: the user equipment judges whether an access priority of the user equipment is modified or not; and the user equipment issues the reestablishment of the packet data network connection when determining that the access priority of the user equipment is modified. The method can ensure that the user equipment always can issue the reestablishment of the packet data network connection, thereby finally updating attributes of the stored access priority property on the network side.
Description
Technical field
The present invention relates to wireless communication technology, method for reconstructing and subscriber equipment that particularly a kind of packet data network connects.
Background technology
Existing 3GPP(3rd Generation partnership project, 3 generation collaborative project) at MTC(Machine Type Communication, the communication of machine class) in the technology UE(User Equipment is proposed, subscriber equipment) when access network, the network meeting basis load state of network at that time judges whether to limit its access; In addition, correspondence has the low access priority of low access priority() UE of attribute, when if network allows this class UE access network, can be at its PDN(Packet Data Network, packet data network) connect and preserve the low access priority indication of low priority access indication(in the context) be used for billing purpose.
The UE device attribute is configurable, its configuration operation is by OMA DM(Open Mobile Alliance Device Management, open mobile alliance device management) finishes, control by operator, therefore the configuration attribute of UE can change, and when configuration attribute changed, 3GPP thinks needed reconstruction PDN to connect the access priority(access priority that upgrades its network preservation) attribute.
Yet the deficiencies in the prior art just are: UE can upgrade the access priority attribute of preserving in the network by PDN connection reconstruction process.
Summary of the invention
Method for reconstructing and subscriber equipment that technical problem solved by the invention has been to provide a kind of packet data network to connect are initiated PDN connection reconstruction process in order to guarantee the UE total energy.
The method for reconstructing that provides a kind of PDN to connect in the embodiment of the invention comprises the steps:
UE determines whether the access priority state of UE is revised;
UE initiates PDN connection reconstruction process when definite access priority state has been revised.
A kind of subscriber equipment is provided in the embodiment of the invention, has comprised:
The state determination module is used for determining whether the access priority state of UE is revised;
Rebuilding module is used for UE and initiates PDN connection reconstruction process when definite access priority state has been revised.
Beneficial effect of the present invention is as follows:
Technical scheme provided by the invention can guarantee UE total energy initiation PDN connection reconstruction process, upgrades the access priority attribute of preserving thereby can finally be implemented in network side.
Description of drawings
Fig. 1 is the method for reconstructing structural representation that PDN connects in the embodiment of the invention;
Fig. 2 is a user device architecture schematic diagram in the embodiment of the invention.
Embodiment
The inventor notices in the invention process:
One .APN based Congestion control(is based on the congested control of APN; APN:Access Point Name, APN).
Existing 3GPP agreement has proposed the congestion control mechanism based on APN, be divided into APN based Mobility Management control(based on the mobile management of APN control) and APN based Session Management control(based on the conversation management control of APN), network judges that the foundation of APN based Congestion control can be mainly referring to TS23.401:
The activation EPS carrying of the maximum number of each APN of-Maximum number of active EPS beares per APN(; EPS:Evolved Packet System, evolved packet system);
The maximum rate of the activation EPS carrying of each APN of-Maximum rate of EPS bearer activations per APN();
One or more PDN Gateway of-One or multiple PDN GWs of an APN are not reachable or indicated congestion to the SGSN(APN are unreachable or identified to SGSN congested; SGSN:Serving GPRS Support Node, the GPRS serving GPRS support node);
The maximum rate of the mobile management request signal that the equipment of-Maximum rate of MM signalling requests associated with the devices with a particular subscribed APN(and signatory APN is got in touch; MM:Mobility Management, mobile management); And/or (and/or)
-Setting in network management(network management is provided with).
1、APN?based?Mobility?Management?control：
Network is to the UE(User Equipment of the special APN that contracted, subscriber equipment) carries out APN based mobility management congestion, when this type of UE initiates mobility management request(mobile management request) when arriving network, it is congested that network judges whether special APN takes place, if, then refuse this MM request, and may carry mobility management back-off timer(mobile management and keep out of the way timer) to UE, UE no longer initiated any mobility management process before this timer is overtime after receiving MM back-off timer.
2、APN?based?Session?Management?control：
Rule judges that certain APN is in congestion state more than network based, then refuse PDN Connectivity Request(PDN connection request) at this APN, and in refuse information, carry session management back-off timer(session management and keep out of the way timer), UE is after receiving this back-off timer, no longer initiate any Session management process at this APN, if do not provide APN in the PDN connectivity Request message, then network based default APN(Default Access Point Name, default APN) judge.
Two, general Congestion Control.
Existing 3GPP agreement has proposed general NAS(Non Access Stratum, Non-Access Stratum) Ceng Mobility Management congestion control mechanism, proposition is under general network over loading condition, network can be refused any Mobility Management signaling request of UE, and carries Mobility Management back-off timer in refuse information.
In the prior art, in order to avoid network further to worsen under network overload situation, proposing the core net controlled entity can carry out access control to UE, at the UE of low access grade, refuses its NAS request, concrete visible TS23.401.
In addition, .(in addition for to protect the network from overload the MME has the option of rejecting NAS request messages which include the low access priority indicator before rejecting NAS request messages without the low access priority indicator (see subclause 4.3.7.4.2 for more information), for the protecting network nonoverload, MME can be chosen in before the NAS request message of the not low access priority indication of refusal, and refusal comprises the NAS request message of low access priority indication; MME:Mobility Management Entity, Mobility Management Entity) (specifically referring to 4.3.7.4.2)
The method requires under network overload situation, to any NAS request, comprise Mobility Management Request and Session Management Request, all transship control, the corresponding request of refusal, and may in refuse information, carry mobility management back-off timer and give UE, UE is after receiving MM back-off timer, start local back-off timer, before timer is overtime, UE can not initiate any non-EMC(Emergency, and is urgent) or the MM request of non-high priority.
Three .Low priority access indicator.
Network can be by OMA DM(R10(version 10) in may not use OTA(Over-the-Air, the aerial download)) device attribute of configuration UE, NAS request (SM/MM request) when taking place in the UE that is configured to low access priority, need carry this indicator, network can carry out access control according to this indicator, for example under the network over loading situation, the preferential NAS request of selecting refusal to carry low access priority indicator, and carry out congested control.
At the UE that is configured to low access priority indicator, can dispose long TAU timer(TAU timer; TAU:Traking Area Update, tracing section updating), PLMN search timer(PLMN searches for timer; PLMN:Public Land Mobile Network, public land mobile network) and back-off timer(keep out of the way timer).
Network can be preserved low access priority indicator at MME, SGW(Serving Gateway, gateway) and PGW(PDN Gateway, bearer context(bearer context grouped data network gateway)), in R10, only be used to the purposes of chargeing at present.
In R10, if network has changed the device attribute of UE by OMA DM, for example the low access priority attribute of UE is changed into the normal access priority of normal access priority() time, UE need initiate PDN at once and connect deactivation process, and reconstruction PDN connects, to upgrade MME, SGW, the low access priority attribute of the Context that the PDN among the PGW connects.
Four, Idle state UE initiates PDN connection reconstruction process.
In the prior art,, need to send out earlier the initial NAS message of initial NAS message(if Idle state UE wishes to initiate PDN establishment of connection or demolishing process), make UE enter connected state.Wish to initiate the PDN connection request of UE Requested PDN connectivity Request(UE request as Idle state UE) process, at first to initiate initial NAS message.Specifically can be referring to TS24.301.
Initial?NAS?messages?are:
-ATTACH REQUEST(adheres to request);
-DETACH REQUEST(detach request);
The request of-TRACKING AREA UPDATE REQUEST(tracing section updating);
-SERVICE REQUEST(service request); And
The request of-EXTENDED SERVICE REQUEST(expansion service).
In the prior art, if the UE of low access priority is because NAS level mobility management congestion control, and this locality is when having started MM layer back-off timer, network is for example changed into normal access priority with the low access priority attribute of UE by the device attribute that OMA DM has changed UE.At this moment, because the operation of MM back-off timer, make UE can not initiate any MM Request and make UE enter connected state, change low access priority attribute among the context that the PDN that preserves in the network connects thereby can't make UE initiate PDN connection reconstruction process.Make the requirement of prior art to satisfy.
If the UE of low access priority is because NAS level session management congestion control, and this locality is when having started SM layer back-off timer, network is for example changed into normal access priority with the low access priority attribute of UE by the device attribute that OMA DM has changed UE.At this moment, because the operation of SM back-off timer makes UE can not initiate any SM Request, change low access priority attribute among the context that the PDN that preserves in the network connects thereby can't make UE initiate PDN connection reconstruction process.Make the requirement of prior art to satisfy.
As seen, existing 3GPP proposes UE when access network in the MTC technology, the network meeting basis load state of network at that time judges whether to limit its access, if be rejected access, network also should issue keeps out of the way timer to UE, makes UE can not initiate similar operations before keeping out of the way timer expiry; In addition, correspondence has the UE of low access priority attribute, if when network allows this class UE access network, can connect at its PDN and preserve low priority access indication in context and be used for billing purpose.The UE device attribute is configurable, its configuration operation is to finish by OMA DM, and by operator's control, so the configuration attribute of UE can change, and when configuration attribute changed, 3GPP thought that needing to rebuild PDN connects the access priority attribute that upgrades its network preservation.Yet if this moment, UE started MM/SM back-off timer, according to existing protocol, UE can not initiate any MM/SM Request, also promptly can't rebuild PDN and connect and upgrade the access priority attribute of preserving in the network.
Based on this, a kind of UE has been proposed in the embodiment of the invention under the situation that starts MM/SM back-off timer, upgrade the scheme of the low priority indication of PDN connection, below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 1 as shown in the figure, can comprise the steps: for the method for reconstructing structural representation that PDN connects
Further, can also comprise in force:
The access priority attribute of the UE that in PDN connection reconstruction process, has upgraded in network side preservation.
Need to prove, when UE can initiate PDN connection reconstruction process, network side just can upgrade UE at the access of network side preservation priority attribute in this process, also be, can upgrade this problem of access priority attribute of preserving in the network by PDN connection reconstruction process for solving UE, after the reconstruction that the PDN that has solved on the UE side connects, also just solved this technical problem in fact accordingly.
In the enforcement, initiate the PDN connection reconstruction at UE and cross the Cheng Qian, can further include:
UE stops back-off timer, or waits for that back-off timer is overtime.
Under this mode, need not consider the state of back-off timer and the access priority modification state of UE, promptly back-off timer is handled; This mode realizes simple, can guarantee UE total energy initiation PDN connection reconstruction process too.
Below again to the state of UE according to back-off timer, and the embodiment that the access priority modification state of UE is initiated PDN connection reconstruction process describes.Will be in the declarative procedure according to the state of MM back-off timer among the back-off timer and SM back-off timer, and the access priority modification state of UE is for to change to high access priority from low access priority, or changes to low access priority from high access priority and describe.
Wherein, for back-off timer, being divided into MM back-off timer and SM back-off timer at present, will be that example describes with these two kinds of back-off timer in therefore implementing.For access priority, at present in the agreement, access grade has only defined 2 kinds, low access priority and normal access priority's, normal is not with Device Properties IE(device attribute IE; IE:Information Element, information unit), the band Device Properties IE of low; But do not get rid of the access priority that future can occur other grades, but by changing to high access priority from low access priority among the embodiment, or get final product from the enforcement that high access priority changes to low access priority.
One, the access priority modification state of UE is for to change to high access priority from low access priority.
1, UE has started MM back-off timer and SM back-off timer.
When the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, UE stops MM back-off timer and SM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
Concrete, changed the device attribute (changing to high access priority) of UE from low access priority at OMA DM, when UE has started MM back-off timer and SM back-off timer, UE stops MM back-off timer and SM back-off timer, send initial NAS message, enter connected state, initiate PDN connection reconstruction process then.
2, UE has started MM back-off timer, but does not start SM back-off timer.
When the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, UE stops MM back-off timer, and after transmission initial NAS message enters connected state, initiates PDN connection reconstruction process.
Concrete, when having changed the device attribute of UE, OMA DM (changes to high access priority) from low access priority, UE has started MM back-off timer, but when being not activated SM back-off timer, UE stops MM back-off timer, send initial NAS message, enter connected state, initiate PDN connection reconstruction process then.
3, UE has started SM back-off timer, but does not start MM back-off timer.
When the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, UE stops SM back-off timer, and after transmission initial NAS message enters connected state, initiates PDN connection reconstruction process.
Concrete, when having changed the device attribute of UE, OMA DM (changes to high access priority) from low access priority, UE is not activated MM back-off timer, but when having started SM back-off timer, UE stops SM back-off timer, send initial NAS message then and enter connected state, initiate PDN connection reconstruction process.
Two, the access priority modification state of UE is for to change to low access priority from high access priority.
1, UE has started MM back-off timer and SM back-off timer.
When the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, after UE wait MM back-off timer and SM back-off timer are overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
Concrete, changed the device attribute (changing to low access priority) of UE from high access priority at OMA DM, when UE has started MM back-off timer and SM back-off timer, after UE wait MM back-off timer and SM back-off timer are overtime, send initial NAS message, enter connected state, initiate PDN connection reconstruction process then.
2, UE has started MM back-off timer, but does not start SM back-off timer.
When the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, after UE waits for that MM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
Concrete, when having changed the device attribute of UE, OMA DM (changes to low access priority) from high access priority, UE has started MM back-off timer, but when being not activated SM back-off timer, after UE waits for that MM back-off timer is overtime, send initial NAS message, enter connected state, initiate PDN connection reconstruction process then.
3, UE has started SM back-off timer, but does not start MM back-off timer.
When the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, after UE waits for that SM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
Concrete, when having changed the device attribute of UE, OMA DM (changes to low access priority) from high access priority, UE is not activated MM back-off timer, but when having started SM back-off timer, after UE waits for that SM back-off timer is overtime, send initial NAS message then and enter connected state, initiate PDN connection reconstruction process.
Based on same inventive concept, a kind of subscriber equipment also is provided in the embodiment of the invention, because the principle that this equipment is dealt with problems is similar with the method for reconstructing that a kind of packet data network is connected, so the enforcement of this equipment can repeat part and repeat no more referring to the enforcement of method.
Fig. 2 is the user device architecture schematic diagram, as shown in the figure, can comprise in UE:
State determination module 201 is used for determining whether the access priority state of UE is revised;
Rebuilding module 202 is used for UE and initiates PDN connection reconstruction process when definite access priority state has been revised.
In concrete the enforcement, when whether the state determination module is revised at the access priority state of determining UE, can determine whether to change access priority in the device attribute of UE according to OMA DM.
In the enforcement, rebuilding module can also be further used for initiating the PDN connection reconstruction at UE and cross the Cheng Qian, stops back-off timer, or waits for that back-off timer is overtime.
In the enforcement, in subscriber equipment, can further include:
First determination module 203 is used for determining the state of back-off timer;
Second determination module 204, the access priority that is used for definite UE is revised state;
Rebuilding module 202 is further used for the state according to back-off timer, and the access priority modification state of UE is initiated PDN connection reconstruction process.
In concrete the enforcement, the enforcement of rebuilding module can only cooperate with the state determination module, initiates the PDN connection reconstruction at UE and crosses the Cheng Qian, stops back-off timer, or waits for that back-off timer is overtime.Also can cooperate with first determination module, second determination module, in order to the state of processing according to back-off timer, and the access priority modification state of UE is initiated the situation of PDN connection reconstruction process.Therefore,, do not mean that UE must possess these modules simultaneously, but can select the functional module that need possess as required though among the figure each module is illustrated simultaneously.
In the enforcement, rebuilding module can comprise with one of lower unit or its combination, wherein:
First reconstruction unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, stop MM back-off timer and SM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
Second reconstruction unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, stop MM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
The 3rd rebuilds the unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, stop SM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
In the enforcement, rebuilding module can comprise with one of lower unit or its combination, wherein:
Quadruple is built the unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, after waiting for that MM back-off timer and SM back-off timer are overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
The 5th reconstruction unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, after waiting for that MM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
Sixfold is built the unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, after waiting for that SM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
Need to prove that first builds the unit to sixfold can be present on the UE each other simultaneously, also, rebuilding module can comprise that first builds one of unit, unit or its combination to sixfold.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
By above-mentioned enforcement as seen, when the device attribute of UE when low access priority changes to high access priority, if UE has started back-off timer, need to stop back-off timer so, because the UE of high access priority may not can be refused by network;
Prior art is not initiated the description of PDN connection reconstruction process behavior to this UE, because the change of access priority, UE need upgrade the low access priority attribute of preserving among the Bearer Context that PDN connects in the network (only being used at present chargeing), but when upgrade, how to upgrade, all do not have in the prior art to describe.And among the embodiment, when the device attribute of UE when high access priority changes to low access priority, if UE has started back-off timer, wait for that so back-off timer is overtime, because after the UE of high access priority becomes low access priority, network still can be refused the request of UE, therefore to wait until that back-off timer can initiate PDN connection reconstruction process after overtime, as seen, the technical scheme that provides by embodiment has also defined the behavior of UE initiation PDN connection reconstruction process.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the method for reconstructing that packet data network PDN connects is characterized in that, comprises the steps:
User equipment (UE) determines whether the access priority access priority state of UE is revised;
UE initiates PDN connection reconstruction process when definite access priority state has been revised.
2. the method for claim 1 is characterized in that, further comprises:
The access priority attribute of the UE that in PDN connection reconstruction process, has upgraded in network side preservation.
3. method as claimed in claim 1 or 2 is characterized in that, initiates the PDN connection reconstruction at UE and crosses the Cheng Qian, further comprises:
UE stops to keep out of the way timer back-off timer, or waits for that back-off timer is overtime.
4. method as claimed in claim 1 or 2 is characterized in that, further comprises:
UE determines the state of back-off timer, and the access priority of UE revises state;
UE is according to the state of back-off timer, and the access priority modification state of UE is initiated PDN connection reconstruction process.
5. method as claimed in claim 4 is characterized in that, the access priority modification state of UE is for to change to high access priority from low access priority;
When the state of back-off timer is that UE is when having started mobile management MM back-off timer and session management SM back-off timer, UE stops MM back-off timer and SM back-off timer, and after the initial non-access layer information initial NAS message of transmission enters connected state, initiate PDN connection reconstruction process;
When the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, UE stops MM back-off timer, and after transmission initial NAS message enters connected state, initiates PDN connection reconstruction process;
When the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, UE stops SM back-off timer, and after transmission initial NAS message enters connected state, initiates PDN connection reconstruction process.
6. method as claimed in claim 4 is characterized in that, the access priority modification state of UE is for to change to low access priority from high access priority;
When the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, after UE wait MM back-off timer and SM back-off timer are overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
When the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, after UE waits for that MM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
When the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, after UE waits for that SM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
7. a subscriber equipment is characterized in that, comprising:
The state determination module is used for determining whether the access priority state of UE is revised;
Rebuilding module is used for UE and initiates PDN connection reconstruction process when definite access priority state has been revised.
8. subscriber equipment as claimed in claim 7 is characterized in that, rebuilding module is further used for initiating the PDN connection reconstruction at UE and crosses the Cheng Qian, stops back-off timer, or waits for that back-off timer is overtime.
9. subscriber equipment as claimed in claim 7 is characterized in that, further comprises:
First determination module is used for determining the state of back-off timer;
Second determination module, the access priority that is used for definite UE is revised state;
Rebuilding module is further used for the state according to back-off timer, and the access priority modification state of UE is initiated PDN connection reconstruction process.
10. subscriber equipment as claimed in claim 9 is characterized in that, rebuilding module comprises with one of lower unit or its combination, wherein:
First reconstruction unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, stop MM back-off timer and SM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
Second reconstruction unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, stop MM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
The 3rd rebuilds the unit, be used at the access priority modification state of UE for when low access priority changes to high access priority, when the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, stop SM back-off timer, and after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
11. subscriber equipment as claimed in claim 9 is characterized in that, rebuilding module comprises with one of lower unit or its combination, wherein:
Quadruple is built the unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE is when having started MM back-off timer and SM back-off timer, after waiting for that MM back-off timer and SM back-off timer are overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
The 5th reconstruction unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE has started MM back-off timer, but when not starting SM back-off timer, after waiting for that MM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process;
Sixfold is built the unit, be used at the access priority modification state of UE for when high access priority changes to low access priority, when the state of back-off timer is that UE has started SM back-off timer, but when not starting MM back-off timer, after waiting for that SM back-off timer is overtime, after transmission initial NAS message enters connected state, initiate PDN connection reconstruction process.
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| CN2011101087634A CN102131270A (en) | 2011-04-28 | 2011-04-28 | Method and user equipment for reestablishing packet data network connection |
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| CN (1) | CN102131270A (en) |
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| CN103096377A (en) * | 2011-11-07 | 2013-05-08 | 中兴通讯股份有限公司 | Method and system for controlling terminal response and trigger under network congestion state |
| CN103228025A (en) * | 2012-01-29 | 2013-07-31 | 中兴通讯股份有限公司 | Access method, device and system for machine type communication terminal |
| CN103379578A (en) * | 2012-04-25 | 2013-10-30 | 电信科学技术研究院 | Network congestion control method and terminal |
| CN104067535A (en) * | 2012-01-18 | 2014-09-24 | Lg电子株式会社 | Control method and device based on multiple priorities in wireless communication system |
| CN104919829A (en) * | 2012-11-02 | 2015-09-16 | Lg电子株式会社 | Method for transmitting data of mtc device |
| CN105723797A (en) * | 2014-10-17 | 2016-06-29 | 联发科技股份有限公司 | Method for maintenance of maximum number of bearers when maximum number of bearers reached |
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| CN107613481A (en) * | 2012-02-06 | 2018-01-19 | 英特尔公司 | Handle the dual priority configuration in cordless communication network |
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| CN103024810B (en) * | 2011-09-23 | 2017-06-27 | 中兴通讯股份有限公司 | One kind triggering message method and system |
| CN103024810A (en) * | 2011-09-23 | 2013-04-03 | 中兴通讯股份有限公司 | Method and system for transmitting triggering message |
| CN103096377A (en) * | 2011-11-07 | 2013-05-08 | 中兴通讯股份有限公司 | Method and system for controlling terminal response and trigger under network congestion state |
| WO2013067746A1 (en) * | 2011-11-07 | 2013-05-16 | 中兴通讯股份有限公司 | Method and system for controlling terminal response trigger in network congestion state |
| CN104067535A (en) * | 2012-01-18 | 2014-09-24 | Lg电子株式会社 | Control method and device based on multiple priorities in wireless communication system |
| US9743447B2 (en) | 2012-01-18 | 2017-08-22 | Lg Electronics Inc. | Control method and device based on multiple priorities in wireless communication system |
| CN103228025A (en) * | 2012-01-29 | 2013-07-31 | 中兴通讯股份有限公司 | Access method, device and system for machine type communication terminal |
| CN103228025B (en) * | 2012-01-29 | 2018-11-09 | 南京中兴软件有限责任公司 | Cut-in method, the apparatus and system of machine type communication terminal |
| CN107613481B (en) * | 2012-02-06 | 2020-09-29 | 苹果公司 | Handling dual priority configuration in a wireless communication network |
| CN107613481A (en) * | 2012-02-06 | 2018-01-19 | 英特尔公司 | Handle the dual priority configuration in cordless communication network |
| CN103379578A (en) * | 2012-04-25 | 2013-10-30 | 电信科学技术研究院 | Network congestion control method and terminal |
| CN103379578B (en) * | 2012-04-25 | 2016-12-14 | 电信科学技术研究院 | A kind of method for controlling network congestion and terminal |
| CN104919829A (en) * | 2012-11-02 | 2015-09-16 | Lg电子株式会社 | Method for transmitting data of mtc device |
| CN104919829B (en) * | 2012-11-02 | 2019-06-11 | Lg电子株式会社 | Method for sending the data of MTC device |
| CN103067967B (en) * | 2013-01-21 | 2016-02-24 | 电信科学技术研究院 | A kind of control method of session management back off timer and terminal |
| CN103067967A (en) * | 2013-01-21 | 2013-04-24 | 电信科学技术研究院 | Session management retreat timer control method and terminal |
| CN105723797A (en) * | 2014-10-17 | 2016-06-29 | 联发科技股份有限公司 | Method for maintenance of maximum number of bearers when maximum number of bearers reached |
| CN105723797B (en) * | 2014-10-17 | 2019-07-05 | 联发科技股份有限公司 | The method of the maximum carrying number of maintenance |
| CN107211345A (en) * | 2015-01-30 | 2017-09-26 | 交互数字专利控股公司 | The methods, devices and systems of the specific congestion control of application (ACDC) for data communication |
| CN107211345B (en) * | 2015-01-30 | 2020-07-24 | 交互数字专利控股公司 | Access control for high priority applications |
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Application publication date: 20110720 |