CN102223672A - Network access control method of machine type communication (MTC) equipment and system thereof - Google Patents
Network access control method of machine type communication (MTC) equipment and system thereof Download PDFInfo
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Abstract
The invention discloses a network access control method of machine type communication (MTC) equipment. The method can be used to provide access priority for MTC equipment or MTC set. The method includes the following steps: acquiring the access priority of the MTC equipment or the MTC set after network side receives an access request of the MTC equipment; rejecting the access request of the MTC equipment or the MTC set according to current network load. The invention also discloses a system which can realize the above method. By using the method and the system, business load of core net side can be controlled in a certain range. Therefore, current received network business can not be influenced. The invention is especially suitable for a communication system with a machine to machine (M2M) mechanism.
Description
The application is, the applying date is that April 16, application number in 2010 are 201010151162.7, and denomination of invention is divided an application for the Chinese invention patent application of " method and system of control machine type communication equipment access network ".
Technical field
The present invention relates to the access control technology, relate in particular to a kind of method and system of control machine type communication Machine Type communication (MTC, Machine Type Communication) equipment access network.
Background technology
Fig. 1 is the structural representation of cellular radio communication system, and as shown in Figure 1, cellular radio communication system mainly is made up of core net (CN, Core Network), Access Network (RAN, Radio Access Network) and terminal.Core net is responsible for for example updating of terminal position etc. of Non-Access Stratum affairs, and core net also is the anchor point of user's face simultaneously.Access Network comprises the base station, perhaps base station and base station controller, Access Network is responsible for for example management etc. of Radio Resource of Access Layer affairs, can there be physics or connection in logic according to actual conditions between the base station, as the connection between the base station among Fig. 11 and base station 2, base station 1 and the base station 3, and each base station can be connected with more than one core net node.Terminal be subscriber equipment (UE, UserEquipment), be meant can with the various device of cellular radio communication network communication, such as mobile phone or notebook computer etc.
The MTC business is the business of machine to communicating between the machine.In the MTC business, do not need people's participation, all communications are independently finished by machine, the MTC business obtains data by awareness apparatus such as transducers, by communication module data are reported mobile communications network then, and be linked into public data network by mobile communications network, specifically can be applicable to logistics monitoring, safety monitoring, tele-medicine detection, remote meter reading etc.These data are managed by the particular server of mobile operator or special MTC operator, can check for MTC user or MTC manager.In this process, the equipment that obtains professional needed data is MTC equipment.
In the MTC business, some characteristics different have been introduced with traditional mobile communication, for example organize management characteristic, when this characteristic was activated, same user's MTC equipment may be divided into a group, and network can be unified configuration parameter to whole group, these parameters are applied to belong to all MTC equipment of this group, operator is provided with in the CAMEL-Subscription-Information of this MTC equipment and activation group management characteristic, is stored in the home subscriber server (HSS, Home Subscriber Server).HSS is an entity of being responsible for identity information, authentication information and the authorization message etc. of preservation user or terminal equipment in the communication network.According to different situations, HSS can be used for preserving user's the identity information and the binding information of user and terminal equipment, or only preserve user's identity information (specifically can preserve the binding information of user and terminal equipment), or directly preserve the identity information of terminal equipment by gateway.HSS also is responsible for user's subscribed database, and execution user's authentication and mandate etc.Business platform can be from HSS inquiring user or end message.
When MTC equipment was attached on the network, Mobility Management Entity MME obtained the CAMEL-Subscription-Information of this MTC equipment from HSS, and is kept at this locality.Mobility Management Entity (MME; Mobility ManagementEntity) is the entity that is used for managing user terminal control signaling in the core net; be responsible for access control; comprise authentication control; sign is (as temporary mark GUTI; station location marker TAI) assignment; user ID and device identification checking; signaling plane is encrypted; and the consistency protection between the eNB; the conversion of security parameter and service quality between 2G/3G and the EPS (QoS, Quality of Service) parameter, access permission control; whether decision can obtain requested resource and reserve these resources; Lawful Interception, mobile management (realizing tracking and record), session management to the UE current location; to the associative operation of EPS carrying, and the network element selection etc.
After introducing the MTC technology, may there be a large amount of MTC equipment, when the huge MTC equipment of quantity all needs access network to accept service, may cause network congestion owing to the signaling quantity of initiating simultaneously is too huge, thereby influence has been connected to the service of the other-end of network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of controlling machine type communication equipment access network, can control the MTC number of devices of access network, thereby can prevent the network load overload.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of controlling machine type communication equipment access network is MTC equipment or MTC group or MTC business setting access rank or access priority, and network based access rank or access priority dispose corresponding access parameter; Described method comprises:
MTC equipment or MTC group are notified or be configured to described access parameter;
MTC equipment or MTC group initiate to insert request according to described access parameter.
Preferably, described access parameter comprises access probability or/and the stand-by period.
Preferably, described MTC equipment or MTC group according to described access parameter initiation access request is:
MTC equipment or MTC group are before initiating to insert request, generate random number at random, the access probability of described random number and this MTC equipment or MTC group is compared, if described random number less than or when being not more than described access probability, initiate described access request, otherwise, do not initiate to insert request, and when described access parameter comprises the stand-by period, after waiting for the described stand-by period, regenerate random number, and compare with described access probability, up to the random number that is generated less than or when being not more than described access probability, initiate described access request; When described access parameter does not comprise the stand-by period, no longer initiate to insert request.
Preferably, describedly dispose corresponding access parameter and be according to inserting rank or access priority: described access rank or access priority are high more, and the access probability that is disposed is big more.
Preferably, described MTC equipment or MTC group according to described access parameter initiation access request is:
MTC equipment or MTC group are before initiating to insert request, generate random number at random, the access probability of described random number and this MTC equipment or MTC group is compared, when if described random number is greater than or not less than described access probability, initiate described access request, otherwise, do not initiate to insert request, and when described access parameter comprises the stand-by period, after waiting for the described stand-by period, regenerate random number, and compare with described access probability, when the random number that is generated is greater than or not less than described access probability, initiate described access request; When described access parameter does not comprise the stand-by period, no longer initiate to insert request.
Preferably, describedly dispose corresponding access parameter and be according to inserting rank or priority: described access rank or priority are high more, and the access probability that is disposed is more little.
Preferably, described access probability is a numerical value interval; Described random number generates in the numerical value interval of described access probability.
Preferably, described access parameter comprises that the indication that whether allows to insert is or/and the stand-by period.
Preferably, described MTC equipment or MTC group according to described access parameter initiation access request is:
MTC equipment or MTC organize according to the access grade in the access parameter of self or insert and preferentially be judged as when not allowing to insert, and do not initiate to insert request, when comprising the stand-by period in the described access parameter, initiate the access request after the stand-by period once more; When not comprising the stand-by period in the described access parameter, no longer initiate to insert request.
Preferably, described access request is a kind of in the following request:
Adhere to request, connection request, Radio Resource control (RRC, Radio Resource Control) connection request, tracking area (TA, Tracking Area) update request, route district (RA, Routing Area) update request and packet data network (PDN, Packet Data Network) connection request.
Preferably, describedly be with described access parameter notice MTC equipment or MTC group:
Network side is notified MTC equipment or MTC group with described access parameter by the mode of broadcasting, or network side is by signaling MTC equipment or MTC group.
Preferably, described access grade or access priority are as subscription data or be pre-configured in MTC equipment or MTC group.
A kind of method of controlling machine type communication equipment access network is MTC equipment or MTC group access grade or configuration access grade or access priority; Described method comprises:
After network side receives the access request of MTC equipment or MTC group, obtain the access grade or the access priority of described MTC equipment or MTC group, according to the access request of current network load described MTC equipment of refusal or MTC group.
Preferably, described method also comprises: by access grade or access priority is that MTC equipment or MTC group are provided with corresponding load thresholding.
Preferably, describedly according to current network load described MTC equipment is carried out access control and is:
The current network load reaches certain load door in limited time, and refusal access grade or access priority are not higher than the access request of the MTC equipment or the MTC equipment in the MTC group of corresponding access grade of this load thresholding or access priority.
Preferably, described access grade or the access priority that obtains described MTC equipment or MTC group is:
Access priority is configured in described MTC equipment or the MTC group; When MTC equipment or MTC group are initiated to insert request, report the access grade or the access priority of described MTC equipment or MTC group;
Perhaps, the access grade or the access priority of network side storing MTC equipment or MTC group; When MTC equipment or MTC group are initiated to insert request, carry the identification information of self, described network side is determined the access grade or the access priority of described MTC equipment or MTC group according to described identification information.
Preferably, described access request is a kind of in the following request:
Adhere to request, connection request, service request, RRC connection request, TA update request, RA update request and PDN connection request.
Preferably, describedly be with described access parameter notice MTC equipment or MTC group:
Network side is notified MTC equipment or MTC group with described access parameter by the mode of broadcasting, or network side is by signaling MTC equipment or MTC group.
Preferably, described access grade or access priority are as subscription data or be pre-configured in MTC equipment or MTC group.
A kind of system that controls machine type communication equipment access network comprises network side, MTC group and MTC equipment; Described system also comprises dispensing unit, meeting notice of invitation unit and initiation unit, and described dispensing unit is arranged at network side, and described initiation unit is arranged in MTC equipment or the MTC group; Wherein:
Dispensing unit is used to MTC equipment or MTC group or MTC business setting to insert rank or access priority, is MTC equipment or the corresponding access parameter of MTC configuration set by inserting rank or access priority;
Meeting notice of invitation unit is used for MTC equipment or MTC group are notified or be configured to described access parameter;
Initiate the unit, be used for initiating to insert request according to described access parameter.
Preferably, described access parameter comprises access probability or/and the stand-by period; Described system also comprises generation unit, comparing unit, judging unit and the wait unit that is arranged in MTC equipment or the MTC group; Wherein:
Generation unit is used for generating random number at random before initiating to insert request;
Comparing unit is used for the access probability of the MTC equipment under described random number and this generation unit or MTC group is compared, if described random number less than or when being not more than described access probability, trigger described initiation unit, otherwise, trigger judging unit;
Judging unit is used for judging whether described access parameter comprises the stand-by period, triggers when comprising and waits for the unit;
Wait for the unit, be used to wait for the described stand-by period after, trigger described generation unit again.
Preferably, described dispensing unit further, described access rank is high more, the access probability that is disposed is big more.
Preferably, described access parameter comprises access probability or/and the stand-by period; Described system also comprises generation unit, comparing unit, judging unit and the wait unit that is arranged in MTC equipment or the MTC group; Wherein:
Generation unit is used for generating random number at random before initiating to insert request;
Comparing unit is used for the access probability of the MTC equipment under described random number and this generation unit or MTC group is compared, if when described random number is greater than or not less than described access probability, triggers described initiation unit, otherwise, trigger judging unit;
Judging unit is used for judging whether described access parameter comprises the stand-by period, triggers when comprising and waits for the unit;
Wait for the unit, be used to wait for the described stand-by period after, trigger described generation unit again.
Preferably, described dispensing unit further, described access rank is high more, the access probability that is disposed is more little.
Preferably, described access parameter comprises that the indication that whether allows to insert is or/and the stand-by period; Described system also comprises judging unit, be arranged in MTC equipment or the MTC group, be used for according to the access grade of the access parameter of MTC equipment or MTC group under this judging unit or insert preferentially being judged as when not allowing to insert, do not initiate to insert request, further judge when comprising the stand-by period in the described access parameter, initiate to insert request after the stand-by period once more; When not comprising the stand-by period in the described access parameter, no longer initiate to insert request.
A kind of system that controls machine type communication equipment access network comprises network side, MTC group and MTC equipment; Described system also comprises dispensing unit, receiving element, acquiring unit and the access control unit that is arranged at network side; Wherein:
Dispensing unit is used to MTC equipment or MTC group or MTC business configuration access grade or access priority;
Receiving element is used to receive the access request that MTC equipment sends;
Acquiring unit is used to obtain the MTC equipment of transmission access request or the access grade or the access priority of MTC group;
The access control unit is used for the access request according to current network load described MTC equipment of refusal or MTC group.
Preferably, described dispensing unit is that MTC equipment or MTC group are provided with corresponding load thresholding by access grade or access priority further.
Preferably, described access control unit further reaches certain load door in limited time at the current network load, and refusal access grade or priority are not higher than the access request of the MTC equipment or the MTC equipment in the MTC group of corresponding access grade of this load thresholding or priority.
Preferably, described access request is a kind of in the following request:
Adhere to request, connection request, service request, RRC connection request, TA update request, RA update request and PDN connection request;
Described access grade or access priority are as subscription data or be pre-configured in MTC equipment or the MTC group.
Among the present invention, by MTC equipment or MTC group are provided with rank or priority, and carry out access control according to the rank or the priority of MTC equipment or the MTC under it group, thereby, energy guarantees the traffic load of control core-network side in certain scope, thereby can not influence the business of current accessed network.The present invention is particularly useful in the communication system of machine to machine (M2M, Machine to Machine) mechanism.
Description of drawings
Fig. 1 is the structural representation of cellular radio communication system;
Fig. 2 controls the flow chart of the method embodiment one of machine type communication equipment access network for the present invention;
Fig. 3 controls the flow chart of the method embodiment two of machine type communication equipment access network for the present invention;
Fig. 4 controls the flow chart of the method embodiment three of machine type communication equipment access network for the present invention;
Fig. 5 controls a kind of composition structural representation of the system of machine type communication equipment access network for the present invention;
Fig. 6 controls the another kind of the system of machine type communication equipment access network and forms structural representation for the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment one
Virtual network operator inserts rank for MTC equipment or MTC set of dispense, and this access rank can be preset in MTC equipment or the MTC group, or is arranged on the user ID card that is used for MTC equipment, can also be kept among the HSS as subscription data.
Among the present invention, insert rank and can distribute, will will insert rank according to user's request and dispose respectively to its MTC equipment or MTC group according to user's demand; Perhaps, also can distribute and insert rank, promptly distribute and insert rank according to APN (APN, Access Point Name) according to the MTC type of service; In addition, Virtual network operator can also be provided with the access rank of MTC equipment or MTC group according to the management strategy of self.
Inserting rank can be different priority according to its sequential definition, and for example when using 0 to 9 such numeral that the access rank is set, it is more little to be defined as the numeral that inserts the rank correspondence, and rank is high more; When using the such letter of A to Z that the access rank is set, it is forward more to be defined as the lexicographic order that inserts the rank correspondence, and rank is high more.In addition, can also be by the priority orders of each grade of network settings.As long as insert the access priority that rank can embody different MTC equipment or MTC group.
Inserting rank can be static the setting, no longer changes after promptly being provided with, and for example, the above-mentioned rank that will insert directly is disposed in the identify label card in the MTC equipment or in the MTC equipment.Also can be to dynamically arrange among the present invention, corresponding access rank promptly is set after, network can be adjusted the access rank of different MTC equipment or MTC group according to current factors such as network load, and by broadcasting or means of signaling notice MTC equipment.
And network side is that different access ranks disposes corresponding access parameter, and is concrete, and access parameter comprises access probability and inserts the stand-by period.Each inserts the corresponding access probability of rank and an access stand-by period.Wherein the value of access probability is between 0 to 1.Here, the present invention just by means of with " probability " similarly means the access of MTC equipment is controlled, and in fact, above-mentioned number range can be any number scope, as 1 to 100,1 to 1000 etc.
Network sends to MTC equipment or MTC group with the access parameter of configuration by broadcasting or means of signaling.If network change access parameter, the access parameter after then will changing sends to MTC equipment or MTC group by broadcasting or means of signaling once more.
MTC equipment receives the system message or the signaling of broadcasting, therefrom reads access parameter.If received access parameter before the MTC equipment, then use the up-to-date access parameter that reads to cover access parameter in the past.
Among the present invention, above-mentioned access parameter also can with insert the identical mode of rank, be configured in the identify label card in the MTC equipment or in the MTC equipment.
Fig. 2 controls the flow chart of the method embodiment one of machine type communication equipment access network for the present invention, and as shown in Figure 2, the method for this example control machine type communication equipment access network may further comprise the steps:
Step 201 when MTC equipment or MTC group need be linked into network, produces a random number at first at random, and the span of this random number is consistent with the number range of access probability, and access probability 0 to 1 as described above; Use and self insert the corresponding access probability of rank in this random number and the access parameter and compare, if this random number less than or be not more than access probability, then execution in step 201.If this random number greater than access probability, is not then initiated to insert, MTC device start one timer T, the value of T is set to insert the stand-by period,, attempts once more inserting to constantly at timer.Wherein attempt to insert and be meant and produce a random number once more, with access probability relatively, thereafter process with last time access procedure identical.If do not comprise the stand-by period in the access parameter, then MTC equipment no longer initiates to insert request.
Above-mentioned random number and access probability mode relatively, be that the access rank is high more, be the big more mechanism of the value of the access probability that it disposed, as when inserting rank and be 10 grades, the access probability that priority is the highest is set to 1, secondly be respectively 0.9,0.8......0.1 etc.
Certainly, also access probability can be configured to, the value that inserts the high more access probability that disposes of rank is more little, thereby, when the generation random number is greater than or not less than the access probability of this MTC equipment, allow to send the request of access, otherwise regenerate random number after waiting for the corresponding stand-by period again and attempt access once more.It realizes that principle is identical with aforementioned manner, just realizes the details difference.
Step 202 initiates to insert request to network side.The access request that is sent can be to adhere in request, connection request, service request, RRC connection request, TA update request, RA update request and the PDN connection request any.
In this example, preferably use the mode of access parameter as dynamic-configuration, thus, network can be changed access parameter dynamically according to loading condition.When load was heavier, network can reduce some or a plurality of other access probabilities of access level, or increases its access stand-by period; When load was light, network can increase some or a plurality of other access probabilities of access level, or reduces it and insert the stand-by period.When network need forbid that certain other MTC equipment of level or MTC group equipment insert, can be set to 0 by its access probability.
Embodiment two
Network is given MTC equipment or MTC set of dispense access priority; Priority can be set to height, low two ranks, or be set to height, in, low three ranks, or other any ranks according to the network needs.The access priority of MTC equipment that distributes or MTC group can be used as subscription data and is kept among the network entity HSS, perhaps is kept among the network entity MME.
Preserve access priority information in network entity after, network can be searched its corresponding priorities according to the sign of MTC equipment or MTC group.MTC equipment or MTC group need comprise the sign of oneself usually in demand signalling when initiating to insert request, after network entity receives this sign, then can know which priority this MTC equipment or MTC group are according to sign.
If priority is set to high and low two ranks, network side sets in advance two load-threshold value S_High and S_Low, and is corresponding respectively high, low two ranks, if the current network load surpasses threshold value S_Low, then refusal is configured to the access request of the MTC equipment of low access priority; If the current network load surpasses threshold value S_High, then refusal is configured to the access request of the MTC setting of high access priority and low access priority.
If priority is set to height, neutralizes when hanging down three ranks, network sets in advance three load-threshold value S_High, S_Medium, S_Low, respectively corresponding high, medium and low three ranks, if the current network load surpasses threshold value S_Low, then refusal is configured to the access request of the MTC equipment of low access priority; If the current network load surpasses threshold value S_Medium, the access request that the MTC of access priority and low access priority was provided with during then refusal was configured to, if the current network load surpasses threshold value S_High, then refusal is configured to high access priority, the access request that the MTC of middle access priority and low access priority is provided with.
When priority is set to more rank, analogize according to aforesaid way, do not describe in detail one by one here.
Perhaps, corresponding relation between priority and the network side load threshold value also can be set in the following manner.
If priority is set to high and low two ranks, network sets in advance two load-threshold value S_High and S_Low, and is corresponding respectively high, low two ranks, if the current network load surpasses threshold value S_Low, then refusal is configured to the access request of the MTC equipment of low access priority; If the current network load surpasses threshold value S_High, then refusal is configured to the access request of the MTC setting of high access priority and low access priority.
If priority is set to height, neutralizes when hanging down three ranks, network sets in advance three load-threshold value S_High, S_Medium, S_Low, respectively corresponding high, medium and low three ranks, if the current network load surpasses threshold value S_Low, then refusal is configured to the access request of the MTC equipment of low access priority; If the current network load surpasses threshold value S_Medium, the access request that the MTC of access priority and low access priority was provided with during then refusal was configured to, if the current network load surpasses threshold value S_High, then refusal is configured to high access priority, the access request that the MTC of middle access priority and low access priority is provided with.
When priority is set to more rank, analogize according to aforesaid way, do not describe in detail one by one here.
Fig. 3 controls the flow chart of the method embodiment two of machine type communication equipment access network for the present invention, and as shown in Figure 3, the method for this example control machine type communication equipment access network may further comprise the steps:
Step 301, MTC equipment initiates to insert request to network side; The access request that is sent can be to adhere in request, connection request, service request, RRC connection request, TA update request, RA update request and the PDN connection request any.The access priority information that comprises this MTC equipment or its affiliated MTC group in the above-mentioned access request comprises the identification information that this MTC equipment or its affiliated MTC organize in the perhaps above-mentioned access request.Identification information comprises the information of the identification module of MTC equipment, or comprises the identification informations such as label of MTC group.
After step 302, network side receive the access request of MTC equipment, obtain the access priority of MTC equipment or its affiliated MTC group, determine whether to allow this access request access network according to current load.
Concrete, in inserting request, comprise this MTC equipment or under it during the access priority information of MTC group, directly obtain and get final product.Comprise this MTC equipment in the request or under it during the identification information of MTC group and insert, network can according to identification information in subscription data, find out this MTC equipment or under it access priority of MTC group get final product.
After step 302, if network side has been refused the access request of MTC equipment, then can in the refusal demand signalling, carry the request of access and send the stand-by period, MTC equipment initiates to insert request once more after the stand-by period after receiving the refusal request.
Embodiment three:
Virtual network operator is given MTC equipment or MTC set of dispense access priority, and this access priority can be preset in MTC equipment or the MTC group, or is arranged on the user ID card that is used for MTC equipment, can also be kept among the HSS as subscription data.
Among the present invention, access priority can distribute according to user's demand, will access priority be disposed respectively to its MTC equipment or MTC group according to user's request; Perhaps, also can distribute access priority, promptly distribute access priority according to APN according to the MTC type of service; In addition, Virtual network operator can also be provided with the access priority of MTC equipment or MTC group according to the management strategy of self.
Access priority can be different priority according to its sequential definition, and for example when using 0 to 9 such numeral that access priority is set, the numeral that can be defined as the access priority correspondence is more little, and priority is high more; When using the such letter of A to Z that access priority is set, the lexicographic order that can be defined as the access priority correspondence is forward more, and priority is high more.
Access priority can be static the setting, no longer changes after promptly being provided with, for example, in the above-mentioned identify label card that access priority directly is disposed in the MTC equipment or in the MTC equipment.Also can be to dynamically arrange among the present invention, corresponding access priority promptly is set after, network can be adjusted the access priority of different MTC equipment or MTC group according to current factors such as network load, and by broadcasting or means of signaling notice MTC equipment.
And network side is that different access priorities disposes corresponding access parameter, and is concrete, and access parameter comprises whether allowing the access indication that inserts and insert the stand-by period.Corresponding one of each access priority inserts indication and an access stand-by period, or only corresponding one of each access priority inserts indication.
Network sends to MTC equipment or MTC group with the access parameter of configuration by broadcasting or means of signaling.If network change access parameter, the access parameter after then will changing sends to MTC equipment or MTC group by broadcasting or means of signaling once more.
MTC equipment receives the system message or the signaling of broadcasting, therefrom reads access parameter.If received access parameter before the MTC equipment, then use the up-to-date access parameter that reads to cover access parameter in the past.
Among the present invention, above-mentioned access parameter also can the mode identical with access priority, is configured in the identify label card in the MTC equipment or in the MTC equipment.
Fig. 4 controls the flow chart of the method embodiment three of machine type communication equipment access network for the present invention, and as shown in Figure 4, the method for this example control machine type communication equipment access network may further comprise the steps:
Step 401, when MTC equipment or MTC group need be linked into network, according to the access parameter that reads, if corresponding access indication is not allow to insert, then do not initiate to insert,, then after the stand-by period, initiate once more to insert if comprise the stand-by period, if do not comprise the stand-by period, then no longer initiate to insert.
Step 402 initiates to insert request to network side.The access request that is sent can be to adhere in request, connection request, service request, RRC connection request, TA update request, RA update request and the PDN connection request any.
In this example, preferably use the mode of access parameter as dynamic-configuration, thus, network can be changed access parameter dynamically according to loading condition.When load was heavier, network can allow the priority of access to be adjusted into some and not allow access; When load was light, the priority that network can not allow some to insert was adjusted into the permission access.
The system of this example control machine type communication equipment access network comprises network side, MTC group and MTC equipment, and MTC equipment is connected in network side by network insertion node shown in Figure 1; Fig. 5 controls a kind of composition structural representation of the system of machine type communication equipment access network for the present invention, as shown in Figure 5, the system of this example control machine type communication equipment access network also comprises dispensing unit 50, meeting notice of invitation unit 51 and initiates unit 52, dispensing unit 50 is arranged at network side, can notice of invitation unit 51 can be arranged at network side or be arranged in the special configuration element as write device etc.Initiating unit 52 is arranged in MTC equipment or the MTC group; Wherein:
Dispensing unit 50 is used to MTC equipment or MTC group or MTC business setting to insert rank or access priority, is MTC equipment or the corresponding access parameter of MTC configuration set by inserting rank or access priority;
Meeting notice of invitation unit 51 is used for MTC equipment or MTC group are notified or be configured to described access parameter;
Initiate unit 52, be used for initiating to insert request according to described access parameter.
Above-mentioned access parameter comprises access probability or/and the stand-by period; Described system also comprises generation unit, comparing unit, judging unit and the wait unit that is arranged in MTC equipment or the MTC group; Above-mentioned each unit is not shown; Wherein:
Generation unit is used for generating random number at random before initiating to insert request;
Comparing unit is used for the access probability of the MTC equipment under described random number and this generation unit or MTC group is compared, if described random number less than or when being not more than described access probability, trigger described initiation unit, otherwise, trigger judging unit;
Judging unit is used for judging whether described access parameter comprises the stand-by period, triggers when comprising and waits for the unit;
Wait for the unit, be used to wait for the described stand-by period after, trigger described generation unit again.
Above-mentioned dispensing unit 50 further, described access rank is high more, the access probability that is disposed is big more.
Perhaps, above-mentioned access parameter comprises access probability or/and the stand-by period; Said system also comprises generation unit, comparing unit, judging unit and the wait unit that is arranged in MTC equipment or the MTC group; Above-mentioned each unit is not shown; Wherein:
Generation unit is used for generating random number at random before initiating to insert request;
Comparing unit is used for the access probability of the MTC equipment under described random number and this generation unit or MTC group is compared, if when described random number is greater than or not less than described access probability, triggers described initiation unit, otherwise, trigger judging unit;
Judging unit is used for judging whether described access parameter comprises the stand-by period, triggers when comprising and waits for the unit;
Wait for the unit, be used to wait for the described stand-by period after, trigger described generation unit again.
Like this, above-mentioned dispensing unit 50 further, described access rank is high more, the access probability that is disposed is more little.
Perhaps, above-mentioned access parameter comprises that the indication that whether allows to insert is or/and the stand-by period; Described system also comprises the judging unit (not shown), be arranged in MTC equipment or the MTC group, be used for according to the access grade of the access parameter of MTC equipment or MTC group under this judging unit or insert preferentially being judged as when not allowing to insert, do not initiate to insert request, further judge when comprising the stand-by period in the described access parameter, initiate to insert request after the stand-by period once more; When not comprising the stand-by period in the described access parameter, no longer initiate to insert request.
Those skilled in the art are to be understood that, those skilled in the art are to be understood that, the system of control machine type communication equipment access network shown in Figure 5 is provided with for realizing aforesaid method, and the realization function of the each processing unit among the figure can be with reference to the associated description of earlier figures 2 and method shown in Figure 4 and understood.Above-mentioned generation unit, comparing unit and wait unit all are provided with for optimizing technical scheme of the present invention, are not to be to realize the basic purpose essential features of the present invention.The function of each processing unit can realize by the program that runs on the processor in the system shown in Figure 5, also can realize by concrete logical circuit.
The system of this example control machine type communication equipment access network comprises network side and MTC equipment, and MTC equipment is connected in network side by network insertion node shown in Figure 1; Fig. 6 controls the another kind of the system of machine type communication equipment access network and forms structural representation for the present invention, as shown in Figure 6, the system of this example control machine type communication equipment access network also comprises dispensing unit 60, receiving element 61, acquiring unit 62 and the access control unit 63 that is arranged at network side; Wherein:
Dispensing unit 60 is used to MTC equipment or MTC group or MTC business configuration access grade or access priority;
Receiving element 61 is used to receive the access request that MTC equipment sends;
Acquiring unit 62 is used to obtain the MTC equipment of transmission access request or the access grade or the access priority of MTC group;
Access control unit 63 is used for the access request according to current network load described MTC equipment of refusal or MTC group.
Above-mentioned dispensing unit 60 is that MTC equipment or MTC group are provided with corresponding load thresholding by access grade or access priority further; Described access control unit 63 further reaches certain load door in limited time at the current network load, and refusal access grade or priority are not higher than the access request of the MTC equipment or the MTC equipment in the MTC group of corresponding access grade of this load thresholding or priority.
Described access request is a kind of in the following request:
Adhere to request, connection request, service request, RRC connection request, TA update request, RA update request and PDN connection request;
Described access grade or access priority are as subscription data or be pre-configured in MTC equipment or the MTC group.
Those skilled in the art are to be understood that, those skilled in the art are to be understood that, the system of control machine type communication equipment access network shown in Figure 6 is provided with for realizing aforesaid method, and the realization function of the each processing unit among the figure can be with reference to the associated description of aforementioned method shown in Figure 3 and understood.The function of each processing unit can realize by the program that runs on the processor in the system shown in Figure 6, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. a method of controlling machine type communication equipment access network is characterized in that, is MTC equipment or MTC group or MTC business configuration access grade or access priority; Described method comprises:
After network side receives the access request of MTC equipment or MTC group, obtain the access grade or the access priority of described MTC equipment or MTC group, according to the access request of current network load described MTC equipment of refusal or MTC group.
2. method according to claim 1 is characterized in that, described method also comprises: by access grade or access priority is that MTC equipment or MTC group are provided with corresponding load thresholding.
3. method according to claim 2 is characterized in that, describedly according to current network load described MTC equipment is carried out access control and is:
The current network load reaches certain load door in limited time, and refusal access grade or access priority are not higher than the access request of the MTC equipment or the MTC equipment in the MTC group of corresponding access grade of this load thresholding or access priority.
4. method according to claim 1 is characterized in that, described access grade or the access priority that obtains described MTC equipment or MTC group is:
Access priority is configured in described MTC equipment or the MTC group; When MTC equipment or MTC group are initiated to insert request, report the access grade or the access priority of described MTC equipment or MTC group;
Perhaps, the access grade or the access priority of network side storing MTC equipment or MTC group; When MTC equipment or MTC group are initiated to insert request, carry the identification information of self, described network side is determined the access grade or the access priority of described MTC equipment or MTC group according to described identification information.
5. according to each described method of claim 1 to 4, it is characterized in that described access request is a kind of in the following request:
Adhere to request, connection request, service request, RRC connection request, TA update request, RA update request and PDN connection request.
6. method according to claim 1, its feature are that also described access grade or access priority are as subscription data or be pre-configured in MTC equipment or the MTC group.
7. a system that controls machine type communication equipment access network comprises network side, MTC group and MTC equipment; It is characterized in that described system also comprises dispensing unit, receiving element, acquiring unit and the access control unit that is arranged at network side; Wherein:
Dispensing unit is used to MTC equipment or MTC group or MTC business configuration access grade or access priority;
Receiving element is used to receive the access request that MTC equipment sends;
Acquiring unit is used to obtain the MTC equipment of transmission access request or the access grade or the access priority of MTC group;
The access control unit is used for the access request according to current network load described MTC equipment of refusal or MTC group.
8. system according to claim 7 is characterized in that, described dispensing unit is that MTC equipment or MTC group are provided with corresponding load thresholding by access grade or access priority further.
9. system according to claim 7, it is characterized in that, described access control unit, further reach certain load door in limited time at the current network load, refusal access grade or priority are not higher than the access request of the MTC equipment or the MTC equipment in the MTC group of corresponding access grade of this load thresholding or priority.
10. according to each described system of claim 7 to 9, it is characterized in that described access request is a kind of in the following request:
Adhere to request, connection request, service request, RRC connection request, TA update request, RA update request and PDN connection request;
Described access grade or access priority are as subscription data or be pre-configured in MTC equipment or the MTC group.
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| CN201010151162.7A Division CN102223729B (en) | 2010-04-16 | 2010-04-16 | Control machine type communication device and access the method and system of network |
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