CN103220750A - EAB mechanism management method and equipment - Google Patents
EAB mechanism management method and equipment Download PDFInfo
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- CN103220750A CN103220750A CN2012100164089A CN201210016408A CN103220750A CN 103220750 A CN103220750 A CN 103220750A CN 2012100164089 A CN2012100164089 A CN 2012100164089A CN 201210016408 A CN201210016408 A CN 201210016408A CN 103220750 A CN103220750 A CN 103220750A
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Abstract
The invention discloses an EAB mechanism management method and equipment. The method includes the following steps: access network equipment receives overload information from core network equipment; and the access network equipment starts an EAB mechanism after the access network equipment conforms that the overload information is received. After receiving the overload information indicated by the core network equipment, the access network equipment can directly start the EAB mechanism, and terminal equipment with EAB functions are stopped from being accessed. In the method, the access network equipment can be informed of starting the EAB mechanism and congestion problems of a core network can be effectively solved.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of management method and equipment of EAB mechanism.
Background technology
EAB(Extended Access Barring, expansion inserts restriction).
At M2M(Machine-to-Machine, machinery compartment) in the application scenarios, a large amount of MTC(Machine Type Communication, machine class communication) equipment (as measuring equipments such as the water, electricity, gas of widespread deployment, heats) can be deployed in the same sub-district, therefore can occur that a large amount of terminal equipment (as MTC equipment) is initiated simultaneously or initiate random access procedure in the short period of setting, with access network, thereby cause network overload problems, cause inserting congested, and influence the communication quality of terminal equipment.
At the problems referred to above, introduced EAB mechanism in the prior art, be used to solve the network overload problems that a large amount of MTC equipment cause, with alleviating network congestion.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
The XM of EAB mechanism is an access network equipment, and needs the notice access network equipment to carry out EAB mechanism, does not notify access network equipment to carry out EAB mechanism but have effective informing mechanism in the prior art.
Summary of the invention
The embodiment of the invention provides a kind of management method and equipment of EAB mechanism, starts EAB mechanism with the notice access network equipment.
In order to achieve the above object, the embodiment of the invention provides a kind of management method that inserts restriction EAB mechanism of expanding, and comprising:
Access network equipment receives the overload message from equipment of the core network;
Described access network equipment starts EAB mechanism after confirming self to receive overload message.
The embodiment of the invention provides a kind of management method that inserts restriction EAB mechanism of expanding, and comprising:
It is congested that equipment of the core network determines that overload takes place network;
Described equipment of the core network sends overload message to access network equipment, indicates described access network equipment to start EAB mechanism after confirming to receive overload message.
The embodiment of the invention provides a kind of access network equipment, comprising:
Receiver module is used to receive the overload message from equipment of the core network;
Processing module is used for after confirming self to receive overload message, starts expansion and inserts restriction EAB mechanism.
The embodiment of the invention provides a kind of equipment of the core network, comprising:
Determination module, it is congested to be used for determining that overload takes place network;
Sending module is used for sending overload message to access network equipment, indicates described access network equipment to start expansion after confirming to receive overload message and inserts restriction EAB mechanism.
Compared with prior art, the embodiment of the invention has the following advantages at least: in the embodiment of the invention, access network equipment can directly start EAB mechanism after the overload message that receives the equipment of the core network indication, forbid that all terminal equipments that disposed EAB function initiations insert; This mode can notify access network equipment to start EAB mechanism, and can effectively solve the congestion problems of core net.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the management method schematic flow sheet of a kind of EAB mechanism of providing of the embodiment of the invention one;
Fig. 2 is the management method schematic flow sheet of a kind of EAB mechanism of providing of the embodiment of the invention two;
Fig. 3 is the management method schematic flow sheet of a kind of EAB mechanism of providing of the embodiment of the invention three;
Fig. 4 is the management method schematic flow sheet of a kind of EAB mechanism of providing of the embodiment of the invention four;
Fig. 5 is the management method schematic flow sheet of a kind of EAB mechanism of providing of the embodiment of the invention five;
Fig. 6 is the structural representation of a kind of access network equipment of providing of the embodiment of the invention six;
Fig. 7 is the structural representation of a kind of equipment of the core network of providing of the embodiment of the invention seven.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
The embodiment of the invention one provides a kind of management method of EAB mechanism, EAB mechanism is at the terminal equipment that is configured to need to use the EAB function, when initiating corresponding the access, need carry out the mechanism that EAB checks according to the EAB information of notifying in the system broadcast message, have only the terminal equipment of checking by EAB can allow to initiate to insert; As shown in Figure 1, this method may further comprise the steps:
It is congested that step 101, equipment of the core network determine that overload takes place network (being the CN network).
Need to prove, at LTE(Long Term Evolution, Long Term Evolution) in the system, equipment of the core network includes but not limited to: MME(Mobility Management Entity, Mobility Management Entity); In UMTS(Universal Mobile Telecommunications System, universal mobile telecommunications system) in the system, equipment of the core network includes but not limited to: SGSN(Serving GPRS Supporting Node, Serving GPRS Support Node).
Need to prove that in the LTE system, this overload message includes but not limited to Overload(overload) Start(begins) message, access network equipment includes but not limited to the eNB(base station); In the UMTS system, this overload message includes but not limited to Overload message, and access network equipment includes but not limited to RNC(Radio Network Controller, radio network controller).
In the embodiment of the invention, congestion control information can be carried in this overload message, and the information that access network equipment need start EAB mechanism can be in congestion control information, described.
Further, at Overload Start process, when overload took place the core net of LTE system, MME refused the request that some sets up reason by Overload Start message informing eNB, to reduce the signaling traffic load of this MME.When overload took place the core net of UMTS system, SGSN carried out the operation of some flow restriction by Overload message informing RNC, to reduce the signaling traffic load of this SGSN.
In actual applications, at adopting EAB mechanism to solve the scene of core net overload, take place under the congested situation, in order to notify RAN(Radio Access Network, wireless access network in core net; Be access network equipment) start EAB mechanism, following mode can be arranged:
Mode 1, at S1 interface (or Iu interface, be the interface between equipment of the core network and the access network equipment) Overload Start/Overload message in, increase the indication IE(Information Elements that new being used to notifies access network equipment to start EAB mechanism, information element) or code point(code-point).Based on this indication IE or code point, this access network equipment can start EAB mechanism.
Mode 2, in the Overload of S1 interface Start/Overload message, at restrict(restriction) Delay(postpones) the tolerant(tolerance) the access(visit) code-point, increase and be used to notify access network equipment to start the explanation of EAB mechanism.Based on the descriptive information in this code-point, this access network equipment can start EAB mechanism.
Mode 3, in the Overload of S1 interface Start/Overload message, increasing new being used to notifies access network equipment to start the indication IE or the code point of EAB mechanism, and this indication IE or code point also are used to notify access network equipment taking place to be applicable to by EAB mechanism or reject(refusal)/release(discharges) when mode solves overload situations, according to circumstances determine to adopt which kind of mode by access network equipment.
It should be noted that, in above-mentioned each processing mode, all need in Overload Start/Overload message, increase the code-point or the new IE that are used to indicate access network equipment startup EAB mechanism, need introduce complicated modification this moment in agreement: need to revise ASN1, if and introduce new IE, then also need consider the interoperability problem between the code-point that new IE and reject/release scheme introduced, realize that from protocol description and code angle all has certain complexity.
At the problems referred to above, in the technical scheme that the embodiment of the invention provides, in order to notify access network equipment to start EAB mechanism, need in Overload Start/Overload message, not increase the code-point or the new IE that are used to indicate access network equipment startup EAB mechanism, only require that access network equipment directly starts EAB mechanism and gets final product after receiving Overload Start/Overload message.For example, can be by in the congestion control information of Overload Start/Overload message, describing the information that access network equipment need start EAB mechanism, based on this descriptor, access network equipment can directly start EAB mechanism after receiving Overload Start/Overload message.
Further, when core net generation overload is congested, equipment of the core network sends Overload Start/Overload message to access network equipment, and in Overload Start/Overload message, comprise the indication access network equipment by RRC(Radio Resource Control, Radio Resource control) message inserts the directly information (being congestion control information) of refusal of request to certain class or a few class, this mode is called the reject/release mode, make access network equipment on the basis that starts EAB mechanism, also need to carry out the relevant treatment of reject/release mode.
In the embodiment of the invention, access network equipment starts EAB mechanism and comprises: access network equipment is by system broadcast message broadcasting EAB information, and this EAB information is used to forbid that all terminal equipments that disposed EAB function initiations insert.Further, access network equipment is with the corresponding PLMN(Public Land of equipment of the core network in system broadcast message Mobile Network, public land mobile network) EAB information setting is for to have disposed the terminal equipment of EAB function to all, forbid that access grade wherein is that the terminal equipment of AC0-9 initiates to insert, promptly at difference roaming grade (the roaming grade that has disposed the terminal equipment of EAB function be a) and PLMN certain or some AC grades of forbidding AC0-9 be set initiate to insert.
Concrete, for the LTE system, it is a) terminal equipment that eNB is set to all have been disposed its roaming grade of EAB(to the EAB parameter of the PLMN of MME correspondence by broadcasting, forbids that access grade wherein is that the terminal equipment of AC0-9 initiates to insert.For the UMTS system, it is a) terminal equipment that RNC is set to all have been disposed its roaming grade of EAB(to the EAB parameter of the PLMN of SGSN correspondence by broadcasting, forbids that access grade wherein is that the terminal equipment of AC0-9 initiates to insert.
In the embodiment of the invention, owing to also carry congestion control information in the overload message, so access network equipment also needs to start the operation of reject/release scheme or limited flow after the overload message that receives from equipment of the core network.Concrete, in the LTE system, access network equipment utilizes the corresponding access (as the definition refusal corresponding access of setting up reason of access network equipment according to overload action) of setting up reason of congestion control information refusal; In the UMTS system, access network equipment utilizes congestion control information that corresponding service is carried out flow control (carrying out the flow control of corresponding service as access network equipment according to information such as step).
In sum, in the embodiment of the invention, have the following advantages: access network equipment can directly start EAB mechanism after the overload message that receives the equipment of the core network indication, forbids that all terminal equipments that disposed EAB function initiations insert; This mode can notify access network equipment to start EAB mechanism, and can effectively solve the congestion problems of core net.
Embodiment two
The embodiment of the invention two provides a kind of management method of EAB mechanism, is example with the LTE system, and eNB only starts EAB mechanism in the present embodiment.
As shown in Figure 2, after definite core net generation overload is congested, MME sends Overload Start message to eNB, wherein Overload Action(handles) for Permit Emergency Sessions and mobile terminated services only(promptly to except that urgent call and called all access requests of setting up reason directly refuse), the information among this Overload Action is congestion control information.
ENB needs to start EAB mechanism after receiving Overload Start message, and needs to start reject/release; In the process that starts EAB mechanism, eNB is by system message broadcasting EAB information; In starting the process of reject/release, eNB to except that urgent call and called all access requests of setting up reason directly refuse.
Based on this, if the eNB current broadcast EAB information, then eNB to except that urgent call and called all access requests of setting up reason directly refuse; If the current EAB information of not broadcasting of eNB, the EAB information of then going on the air, and to except that urgent call and called all access requests of setting up reason directly refuse.
Need to prove that it is the situation of Permit Emergency Sessions and mobile terminated services only that said process has only provided overload action; In actual applications, for other Overload Action that define in the present agreement, the foregoing description is suitable equally, does not repeat them here.
Embodiment three
The embodiment of the invention three provides a kind of management method of EAB mechanism, is example with the LTE system, and eNB starts EAB mechanism in the present embodiment, and forbids that further all terminal equipments that disposed EAB function initiations insert.
As shown in Figure 3, after definite core net generation overload is congested, MME sends Overload Start message to eNB, wherein Overload Action(handles) for Permit Emergency Sessions and mobile terminated services only(promptly to except that urgent call and called all access requests of setting up reason directly refuse), the information among this Overload Action is congestion control information.
ENB is after receiving Overload Start message, need to start EAB mechanism, the EAB of corresponding PLMN is set to roam grade a(, and promptly all have disposed the terminal equipment of EAB function) the AC0-9(access grade) all forbid inserting, and need start reject/release simultaneously; In the process that starts EAB mechanism, eNB is by system message broadcasting EAB information; In starting the process of reject/release, eNB to except that urgent call and called all access requests of setting up reason directly refuse.
Based on this, if the eNB current broadcast EAB information, then the EAB information setting with the PLMN of MME correspondence in the system broadcasts is that a) access grade is the terminal equipment of AC0-9 for all having been disposed EAB(roaming grade, forbid initiate inserting, and to except that urgent call and called all access requests of setting up reason directly refuse.If the current EAB information of not broadcasting of eNB, the EAB information of then going on the air, and be that a) access grade is the terminal equipment of AC0-9 for all having been disposed EAB(roaming grade with the EAB information setting of the PLMN of MME correspondence in the system broadcasts, forbid initiate inserting, and to except that urgent call and called all access requests of setting up reason directly refuse.
Need to prove that it is the situation of Permit Emergency Sessions and mobile terminated services only that said process has only provided overload action; In actual applications, for other Overload Action that define in the present agreement, said method is suitable equally, does not repeat them here.
Embodiment four
The embodiment of the invention four provides a kind of management method of EAB mechanism, is example with the UMTS system, and RNC only starts EAB mechanism in the present embodiment.As shown in Figure 4, definite core net take place overload congested after, SGSN sends Overload message to RNC, wherein Priority(is preferential) the Class(grade) the Indicator(indication) IE do not occur.
RNC needs to start EAB mechanism after receiving Overload message, and needs to start flow control; In the process that starts EAB mechanism, RNC is by system message broadcasting EAB information; In the process that starts flow control, RNC carries out the limited flow operation.Based on this, if the RNC current broadcast EAB information, then carry out limited flow operation; If the current EAB information of not broadcasting of RNC, the EAB information of then going on the air, and carry out the limited flow operation.
Need to prove that said process has only provided the situation that Priority Class Indicator IE does not occur; In actual applications, for the situation of the Priority Class Indicator that defines in the present agreement for other any values, the foregoing description is suitable equally, does not repeat them here.
Embodiment five
The embodiment of the invention five provides a kind of management method of EAB mechanism, is example with the UMTS system, and RNC starts EAB mechanism in the present embodiment, and forbids that further all terminal equipments that disposed EAB function initiations insert.As shown in Figure 5, after definite core net generation overload was congested, SGSN sent Overload message to RNC, and wherein Priority Class Indicator IE does not occur.
RNC need to start EAB mechanism after receiving Overload message, the EAB of corresponding PLMN is set to roam grade a(, and promptly all have disposed the terminal equipment of EAB function) the AC0-9(access grade) all forbid inserting, and need start flow control simultaneously; In the process that starts EAB mechanism, RNC is by system message broadcasting EAB information; In the process that starts flow control, RNC carries out the limited flow operation.
Based on this, if the RNC current broadcast EAB information, then the EAB information setting with the PLMN of SGSN correspondence in the system broadcasts is that a) access grade is the terminal equipment of AC0-9 for all having been disposed EAB(roaming grade, forbids initiating to insert, and carries out the limited flow operation; If the current EAB information of not broadcasting of RNC, the EAB information of then going on the air, and be that a) access grade is the terminal equipment of AC0-9 with the EAB information setting of the PLMN of SGSN correspondence in the system broadcasts for all having been disposed EAB(roaming grade, forbid initiating to insert, and carry out the limited flow operation.
Need to prove that said process has only provided the situation that Priority Class Indicator IE does not occur; In actual applications, for the situation of the Priority Class Indicator that defines in the present agreement for other any values, the foregoing description is suitable equally, does not repeat them here.
Embodiment six
Based on the inventive concept same with said method, a kind of access network equipment also is provided in the embodiment of the invention, as shown in Figure 6, this access network equipment comprises:
Receiver module 11 is used to receive the overload message from equipment of the core network;
Processing module 12 is used for after confirming self to receive overload message, starts expansion and inserts restriction EAB mechanism.
Described processing module 12 specifically is used for the information by system broadcast message broadcasting EAB, and described EAB information is used to forbid that all terminal equipments that disposed EAB function initiations insert.
Described processing module 12, be further used for EAB information setting with the corresponding public land mobile network PLMN of equipment of the core network described in the described system broadcast message for all have been disposed the terminal equipment of EAB function, forbid that access grade wherein is that the terminal equipment of AC0-9 is initiated access.
Carry congestion control information in the described overload message; Described processing module 12 also is used for the system at Long Term Evolution LTE, utilizes the corresponding access of setting up reason of described congestion control information refusal; In universal mobile telecommunication system, utilize described congestion control information that corresponding service is carried out flow control.
In the embodiment of the invention, in the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB; In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Embodiment seven
Based on the inventive concept same with said method, a kind of equipment of the core network also is provided in the embodiment of the invention, as shown in Figure 7, this equipment of the core network comprises:
Sending module 22 is used for sending overload message to access network equipment, indicates described access network equipment to start expansion after confirming to receive overload message and inserts restriction EAB mechanism.
In the embodiment of the invention, carry congestion control information in the described overload message.
In the embodiment of the invention, in the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB; In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (14)
1.
A kind of management method that inserts restriction EAB mechanism of expanding is characterized in that, comprising:
Access network equipment receives the overload message from equipment of the core network;
Described access network equipment starts EAB mechanism after confirming self to receive overload message.
2.
The method of claim 1 is characterized in that, described access network equipment starts EAB mechanism, comprising:
Described access network equipment is by system broadcast message broadcasting EAB information, and described EAB information is used to forbid that all terminal equipments that disposed EAB function initiations insert.
3.
Method as claimed in claim 2 is characterized in that, described method further comprises:
Described access network equipment for all have been disposed the terminal equipment of EAB function, forbids that access grade wherein is that the terminal equipment of AC0-9 is initiated access with the EAB information setting of the corresponding public land mobile network PLMN of equipment of the core network described in the described system broadcast message.
4.
The method of claim 1 is characterized in that, carries congestion control information in the described overload message, and described access network equipment receives the overload message from equipment of the core network, also comprises afterwards:
In Long Term Evolution LTE system, described access network equipment utilizes the corresponding access of setting up reason of described congestion control information refusal;
In universal mobile telecommunication system, described access network equipment utilizes described congestion control information that corresponding service is carried out flow control.
5.
As each described method of claim 1-4, it is characterized in that,
In the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB;
In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
6.
A kind of management method that inserts restriction EAB mechanism of expanding is characterized in that, comprising:
It is congested that equipment of the core network determines that overload takes place network;
Described equipment of the core network sends overload message to access network equipment, indicates described access network equipment to start EAB mechanism after confirming to receive overload message.
7.
Method as claimed in claim 6 is characterized in that,
In the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB;
In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
8.
A kind of access network equipment is characterized in that, comprising:
Receiver module is used to receive the overload message from equipment of the core network;
Processing module is used for after confirming self to receive overload message, starts expansion and inserts restriction EAB mechanism.
9.
Access network equipment as claimed in claim 8 is characterized in that,
Described processing module specifically is used for the information by system broadcast message broadcasting EAB, and described EAB information is used to forbid that all terminal equipments that disposed EAB function initiations insert.
10.
Access network equipment as claimed in claim 9 is characterized in that,
Described processing module, be further used for EAB information setting with the corresponding public land mobile network PLMN of equipment of the core network described in the described system broadcast message for all have been disposed the terminal equipment of EAB function, forbid that access grade wherein is that the terminal equipment of AC0-9 is initiated access.
11.
Access network equipment as claimed in claim 8 is characterized in that, carries congestion control information in the described overload message;
Described processing module also is used for the system at Long Term Evolution LTE, utilizes the corresponding access of setting up reason of described congestion control information refusal;
In universal mobile telecommunication system, utilize described congestion control information that corresponding service is carried out flow control.
12.
As each described access network equipment of claim 8-11, it is characterized in that,
In the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB;
In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
13.
A kind of equipment of the core network is characterized in that, comprising:
Determination module, it is congested to be used for determining that overload takes place network;
Sending module is used for sending overload message to access network equipment, indicates described access network equipment to start expansion after confirming to receive overload message and inserts restriction EAB mechanism.
14.
Equipment of the core network as claimed in claim 13 is characterized in that,
In the LTE system, described overload message comprises Overload Start message, and described equipment of the core network comprises Mobility Management Entity MME, and described access network equipment comprises base station eNB;
In the UMTS system, described overload message comprises Overload message, and described equipment of the core network comprises Serving GPRS Support Node SGSN, and described access network equipment comprises radio network controller (RNC).
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