CN102316600B - Method, system and the terminal that a kind of terminal is randomly accessing - Google Patents
Method, system and the terminal that a kind of terminal is randomly accessing Download PDFInfo
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Abstract
The invention discloses method, system and terminal that a kind of terminal is randomly accessing, when network load is too high or occurs congested, network is to one or more terminal transmission lag access informations, after terminal receives described delay access information, after random delay turn-on time, it is linked into described network. Pass through the present invention, make the substantial amounts of terminal being attached to network in synchronization request and refused by network, the random delay of computed reality is evenly distributed in certain period of time turn-on time, thus ensure that these terminals are not concentrated in when secondary request is adhered on an identical time point, and then reach to control to be randomly accessing purpose. This evaluation work is not placed on core net to carry out, and alleviates network burden.
Description
Technical field
The present invention relates to the communications field, be specifically related to when network congestion, the method that terminal is randomly accessing.
Background technology
Development along with mobile network service and automated control technology, occur in that a kind of machine type communication (MachineTypeCommunication, referred to as MTC) mode, also referred to as Machine To Machine (MachineToMachine, referred to as M2M) communication mode, in this communication mode, the both sides of communication are machinery equipment.
In MTC communication, there are two important machinery equipments: MTC terminal (MTCUE) and MTC server (MTCServer). MTC terminal is to have the user terminal of wireless access capability, is similar to the user terminal in person to person's communication, but its behavior is controlled by some strategies being pre-configured with and MTC server. MTC server is that MTC service provider disposes, and is used for receiving the data of MTC terminal, issuing the application server of service order to MTC terminal.
Under 2G/3G/LTE accesses, MTC communication is mainly to be grouped (PacketService, referred to as PS) network as bottom bearer network, it is achieved the operation layer communication between MTC terminal and MTC server (MTCServer). Specifically, MTC communication entity can pass through the UMTS land radio access web (EvolvedUniversalTerrestrialRadioAccessNetwork of evolution, referred to as E-UTRAN) it is linked into the grouping system (EvolvedPacketSystem of evolution, referred to as EPS) network, GSM EDGE Radio Access Network network (GSM/EDGERadioAccessNetwork can also be passed through, referred to as GERAN)/UTRAN network insertion is to GPRS (GeneralPacketRadioService, referred to as GPRS).
Fig. 1 is the configuration diagram that the MTC communication entity according to correlation technique is linked into EPS. wherein, bottom bearer network includes: the UMTS land radio access web (EvolvedUniversalTerrestrialRadioAccessNetwork of evolution, referred to as E-UTRAN), mobile management unit (MobilityManagementEntity, referred to as MME), gateway (ServingGateway, referred to as S-GW, or SGW), grouped data network gateway (PacketDataNetworkGateway, referred to as PDNGW, or P-GW, or PGW), home subscriber server (HomeSubscriberServer, referred to as HSS), "Policy and Charging Rules Function entity (PolicyandChargingRulesFunction, referred to as PCRF).Wherein, the main network elements of E-UTRAN is eNodeB (EvolvedNodeB base station).
As shown in Figure 1, MTCServer can serve as Application Function (ApplicationFunction, referred to as AF) role, by Rx interface and "Policy and Charging Rules Function entity (PolicyandChargingRulesFunction, referred to as PCRF) connect, to realize the control to carrying. Additionally, MTCServer can serve as the role of SIPAS, connected by Sh interface and home subscriber server (HomeSubscriberServer, referred to as HSS), service data with access application.
Framework as shown in fig. 1, MTCUE with MTCServer communication before, it is necessary to first pass through E-UTRAN (i.e. eNodeB) and be linked in EPS network, and be assigned with IP address. Thereafter, IP can be set up between MTCUE and MTCServer and connect, and perform registration and the data transmission of application layer.
In M2M communicates, communication behavior is Automated condtrol, i.e. some accesses in the initiation of communication, termination and communication process and the control of restriction, the behavior of Jun Shi automatization. This behavior, depend on M2M communication in machine (namely, terminal in M2M communication) covenant of works bundle and control, the behavior of the terminal in M2M communication by service contracting data constraint, network according to service contracting data, M2M is communicated in terminal be managed.
Machine type communication apparatus, compare normal person to person's communicating terminal, easily cause the congested of network, this is because, many machine type equipment also exist a common feature: it accesses the time of network according to pre-setting, and such as can will copy some moment of the one day being fixedly provided in every month of calling time in the data of water meter apparatus. This being controlled a large amount of machine type equipment by the time pre-set and be linked into the characteristic of network, it is easy to causing the high load capacity of network so that there is network congestion. Such as: substantial amounts of similar MTC terminal concentrates on the request of same moment and accesses network, it is easy to cause wireless base station, equipment of the core network load higher and then may result in congested. Or, when when network already at higher load, have occurred and that congested, a large amount of similar MTC terminal are concentrated and are linked into network, will cause network further resource anxiety.
In order to protect the properly functioning of network; operator wishes the access that can efficiently control a large amount of MTC terminal in such cases; when making avoid network high load capacity or be congested the opportunity that MTC terminal accesses network; and it is randomly distributed in regular hour section, rather than concentrates on some time point.
Fig. 2 show under prior art, higher at network load or when occurring congested refusal great amount of terminals be linked into network, and indicate the schematic flow sheet that end delay accesses, there are following steps:
S2A01, MTCUE1 request is attached to network;
The attachment of MTCUE1 is asked to pass to MME by S2A02, eNodeB;
S2A03, MME judge that current network load is higher or it is congested to have occurred and that, the attachment request of refusal MTCUE1, return attachment refusal response;
Further, in this step, in order to not allow MTCUE1 receive attachment request of again initiating immediately after response is refused in attachment, MME is that MTCUE1 calculates delay turn-on time 1 (BackoffTime1), and carries in attachment refusal response.
S2A04, eNodeB forward attachment refusal response to MTCUE1. After MTCUE1 receives attachment refusal response, will no longer initiate attachment request within the time postponing instruction turn-on time 1.
In like manner, MTCUE2 performs the attaching process of S2B01～S2B02, and similarly, MME have rejected the attachment request of MTCUE2, and calculates delay turn-on time 2 (BackOffTime2) for MTCUE2. Within the time postponing instruction turn-on time 2, MTCUE2 will no longer initiate attachment request.
By the flow process shown in Fig. 2, when core net generation is congested, if MTC terminal is linked into network, core net will refuse the access of MTC terminal, and instruction postpones MTC terminal in turn-on time at one and do not again attempt to access. Core net is that each MTC terminal is assigned with a different delay turn-on time, thus realizing refusing the attachment request that a large amount of similar MTC terminal are initiated at synchronization, and these MTC terminal are indicated to postpone randomly to access after attachment refusal within the regular hour.
But, in the flow process shown in Fig. 2, if substantial amounts of MTC terminal is concurrently accessed at synchronization, although core net have rejected the access request of this kind of MTC terminal, but or network higher at network load occurs congested, core net is that to calculate different delay turn-on time be a no small resource overhead to each MTC terminal.
Inventor have found that, higher at network load in the related or network occurs congested, it is the resource overhead that the calculating different delay of each MTC terminal considerably increases network turn-on time by network, further worsens making the network that load is higher or congested originally. By the method for the present invention; ensure that higher at network load or when occurring congested; network need not calculate different time delay; and terminal can be indicated to postpone to be linked into network randomly; thus reducing great amount of terminals repeatedly attempt being linked into the probability of network within the time relatively concentrated, it is simple to protect network better.
Summary of the invention
Present invention is primarily targeted at offer a kind of higher at network load or network when occurring congested, method, system and the terminal that terminal is randomly accessing.
In order to reach object above, the present invention is achieved in that
The present invention provides a kind of method that terminal is randomly accessing, including step:
Network is to one or more terminal transmission lag access informations;
After terminal receives described delay access information, after random delay turn-on time, it is linked into described network.
Preferably, mobile management network element is when receiving the access request of described terminal, when judging whether to refuse described access request according to network load or congestion situation, refuses described access request, and sends described delay access information to described terminal.
Preferably, mobile management network element network load high or congested time, to radio node send spatial load forecasting initiation message; Described radio node is after receiving described spatial load forecasting initiation message, when receiving the access request of described terminal, refuses described access request, and sends described delay access information to described terminal.
Preferably, mobile management network element network load high or congested time, to radio node send spatial load forecasting initiation message; Described radio node to described terminal broadcast system loading or congestion situation, and carries delay access information in system broadcasts.
Preferably, mobile management network element and described radio node refer specifically to:
When terminal is linked into E-UTRAN network, described mobile management network element is Mobility Management Entity (MME, MobilityManagementEntity), and described radio node is the NodeB (eNodeB) strengthened;
When terminal is linked into GERAN network, described mobility pipe network unit is packet wireless business support node (SGSN, ServingGeneralpacketradioservicesupportnode), described radio node is radio network controller (RNC, RadioNetowrkController);
When terminal is linked into UTRAN network, described mobile management network element is SGSN, and described radio node is NodeB.
Preferably, postpone access information and include postponing turn-on time and/or randomization instruction, wherein:
Described delay turn-on time, it is used for indicating described terminal at least should be linked into network after described delay turn-on time; Described randomization indicates, and is used for indicating described terminal to calculate random delay time.
Preferably, if described delay access information include described delay turn-on time, then after described terminal receives described delay access information, decide whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time; If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time.
If described delay access information includes the instruction of described randomization, then, after described terminal receives described delay access information, calculate described random delay time according to terminal strategy, as described random delay turn-on time.
If described delay access information includes described delay turn-on time and the instruction of described randomization, after then described terminal receives described delay access information, calculate described random delay time, add described delay turn-on time, as described random delay turn-on time.
The present invention also provides for the system that a kind of terminal is randomly accessing, including network and terminal, wherein,
This network, is used for one or more described terminal transmission lag access informations;
This terminal, for after receiving described delay access information, after random delay turn-on time, is linked into described network.
Preferably, network includes mobile management network element, and wherein, mobile management network element is for when receiving the access request of described terminal, when judging whether to refuse described access request according to network load or congestion situation, send described delay access information to described terminal.
Preferably, network includes mobile management network element and radio node, wherein, mobile management network element for network load high or congested time, to radio node send spatial load forecasting initiation message; Described radio node is for after receiving described spatial load forecasting initiation message, when receiving the access request of described terminal, refuses described access request, and sends described delay access information to described terminal.
Preferably, network includes mobile management network element and radio node, wherein, mobile management network element for network load high or congested time, to radio node send spatial load forecasting initiation message; Described radio node is used in system broadcasts to described terminal broadcast system loading or congestion situation, and carries delay access information.
Preferably, mobile management network element and described radio node refer specifically to:
When terminal is linked into E-UTRAN network, described mobile management network element is MME, and described radio node is eNodeB;
When terminal is linked into GERAN network, described mobility pipe network unit is SGSN, and described radio node is RNC;
When terminal is linked into UTRAN network, described mobile management network element is SGSN, and described radio node is NodeB.
The present invention also provides for the terminal that a kind of terminal is randomly accessing, and including receiver module and AM access module, wherein, receiver module, for receiving the delay access information that network is sent; AM access module, for when receiver module receives delay access information, after random delay turn-on time, being linked into described network.
Preferably, the described delay access information that receiver module receives includes postponing turn-on time and/or randomization instruction, wherein: described delay turn-on time, is used for indicating described terminal at least should be linked into network after described delay turn-on time; Described randomization indicates, and is used for indicating described terminal to calculate random delay time.
Preferably, this terminal also includes computing module, is used for calculating described random delay turn-on time, wherein,
If described delay access information includes described delay turn-on time, then described computing module decides whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time; If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time;
If described delay access information includes the instruction of described randomization, then described computing module calculates described random delay time according to terminal strategy, as described random delay turn-on time;
If described delay access information includes described delay turn-on time and the instruction of described randomization, then described computing module calculates described random delay time, adds described delay turn-on time, as described random delay turn-on time.
By at least one scheme above-mentioned of the present invention, when terminal receives after the delay that network sends accesses instruction, adopt the delay turn-on time of randomized algorithm computing terminal, and just again attempt to be linked into network after this delay turn-on time.
Ensure that higher at network load or when occurring congested, network can indicate terminal to postpone randomly to be linked into network, needing to calculate for great amount of terminals to be randomly accessing the time thus avoiding network, it is simple to protect network better.
Accompanying drawing explanation
Fig. 1 is the configuration diagram that the M2M communication entity of correlation technique is linked into EPS.
Fig. 2 is the schematic flow sheet that in correlation technique, network control MTC terminal is randomly accessing.
Fig. 3 is the schematic flow sheet that terminal randomization of the present invention postpones to access.
Fig. 4 is the access of the core network mobility management element refusal MTC terminal of the embodiment of the present invention, and indicates the schematic flow sheet that terminal accesses after random delay time.
Fig. 5 is the access of the radio node refusal MTC terminal of the embodiment of the present invention, and indicates the schematic flow sheet that terminal accesses after random delay time.
The radio node that Fig. 6 is the embodiment of the present invention broadcasts the schematic flow sheet that instruction terminal accesses after random delay time.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments. It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Fig. 3 is the schematic flow sheet that notice terminal randomization according to embodiments of the present invention postpones to access, and comprises the steps:
S302, network is to terminal transmission lag access information;
S304, after terminal receives the delay access information that network sends, after random delay turn-on time, is linked into network.
Wherein, network includes to terminal transmission lag access information:
Mobile management network element in network is after the access request of refusal terminal, to terminal transmission lag access information.Preferably, mobile management network element in refusal response, can carry this transmission lag access information.
Or,
Mobile management network element network load higher or congested time, spatial load forecasting initiation message is sent to radio node, radio node is when receiving the access request of described terminal, and when judging whether to refuse described access request according to network load or congestion situation, send described delay access information to described terminal. Preferably, radio node in refusal response, can carry this transmission lag access information.
Or,
Mobile management network element network load higher or congested time, send spatial load forecasting initiation message to radio node, radio node to terminal broadcast system loading or congestion situation, and carries delay access information in system broadcasts.
Access request may include that attachment request, service request, position updating request etc.
It addition, network includes postponing turn-on time and/or randomization instruction to the delay access information that terminal sends. Postpone turn-on time and represent that terminal should at least postpone reattempt after turn-on time to be linked into network at this. Randomization indicates, and is used for indicating terminal to calculate random delay time.
After terminal receives the delay access information that network sends, if this delay access information only including postpone turn-on time, then terminal decides whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time; If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time.
If only including randomization instruction in this delay access information, then terminal can according to the policy calculation random delay turn-on time of oneself.
If this delay access information includes postponing turn-on time and randomization instruction, then terminal adopts randomized algorithm to calculate random delay time, adds delay turn-on time, as random delay turn-on time.
The concrete method calculating random number is known technology, does not repeat them here. In a word, within random delay turn-on time, terminal should not attempt being linked into network.
Mobile management network element, radio node refer specifically to:
When terminal is linked into E-UTRAN network, described mobile management network element is MME, and described radio node is eNodeB;
When terminal is linked into GERAN network, described mobility pipe network unit is SGSN, and described radio node is RNC;
When terminal is linked into UTRAN network, described mobile management network element is SGSN, and described radio node is NodeB.
By the examples below, the flow process of said method is described. It should be noted that following example do not constitute mutex relation, it is likely to combination under special circumstances and uses.
Specific embodiment one, mobile management network element carries randomization instruction in refusal response.
Fig. 4 is the mobile management network element MME access refusing MTC terminal, and indicates its schematic flow sheet of Stochastic accessing after time delay, has following steps:
S401, MTCUE request is attached to network;
The attachment of MTCUE is asked to pass to MME by S402, eNodeB;
S403, MME judge that current network load is higher or it is congested to have occurred and that, the attachment request of refusal MTCUE1, return attachment refusal response;
In refusal response, MME carries one and postpones turn-on time (BackoffTime) according to determined one of current network load situation and local policy, and all of MTC terminal is identical by this delay turn-on time.
Further, MME carries the instruction of randomization in attachment refusal response, and the instruction of this randomization, in order to indicate MTC terminal after receiving attachment refusal response, after delay turn-on time that network is given, is linked into network with answering randomization. After MTC terminal receives randomization instruction, randomized algorithm should be adopted to calculate an extra random delay time, and use network given postpone turn-on time and the sum of extra random delay time that MTC terminal calculates, as random delay turn-on time. Within this random delay turn-on time, this MTC terminal should not attempt again initiating attachment request, and after exceeding this random delay turn-on time, MTC terminal can initiate attachment request again.
S404, eNodeB forward attachment refusal response to MTCUE;
After S405, MTCUE receive attachment refusal response, delay turn-on time indicated by network, randomization instruction, calculate random delay turn-on time, and start corresponding intervalometer and wait and again initiate attachment request;
S406, after arriving random delay turn-on time that MTC terminal is computed, MTC terminal can initiate attachment request again, and MME decides whether to allow attachment according to the current actual load of network and congestion situation.
Described in Fig. 4 is the situation of the attachment request of mobile management network element refusal terminal, and in practice, mobile management network element according to current loads situation, congestion situation, can refuse the attachment request of terminal, service request, position updating request etc. This kind of request in the present invention may be collectively referred to as access request.
In the present embodiment, after different MTC terminal receives the randomization instruction that network sends, in calculating actual delay turn-on time, owing to the random factor that different MTC terminal is computed is different, so can guarantee that the delay of a large amount of terminal computed reality being attached to network in synchronization request and refused by network is evenly distributed in certain period of time turn-on time, thus ensure that these terminals are not concentrated in when secondary request is adhered on an identical time point, and then reach to control to be randomly accessing purpose.
Specific embodiment two, radio node carries randomization instruction in refusal response.
Fig. 5 is the access of radio node refusal MTC terminal, and indicates its schematic flow sheet of Stochastic accessing after time delay, has following steps:
S501, MME detect that the current loads of network is higher, or have occurred and that congested;
S502, MME send spatial load forecasting initiation message to eNodeB. By this message, eNodeB knows that core net current loads is higher, or has occurred that congested;
S503, MTCUE request is attached to network;
S504, eNodeB receive the attachment request of MTCUE, it is judged that current network load is higher or has occurred and that congested, the attachment request of refusal MTCUE, return attachment refusal response;
In refusal response, eNodeB carries one and postpones turn-on time (BackoffTime) according to determined one of current network load situation and local policy, and all of MTC terminal is identical by this delay turn-on time.
Further, eNodeB carries a randomization instruction in attachment refusal response. After MTCUE receives the instruction of this randomization, adopt the method in foregoing schemes to calculate random delay turn-on time, and control requesting itself and be linked into the opportunity of network.
After S505～S506, MTCUE receive refusal response, should after computed random delay exceedes turn-on time just trial again access network.
Described in Fig. 5 is the situation of the attachment request of radio node refusal terminal, and in practice, radio node according to current loads situation, congestion situation, can refuse the attachment request of terminal, connection request, service request etc.This kind of request in the present invention may be collectively referred to as access request.
Specific embodiment three, radio node carries randomization instruction in system broadcasts.
Fig. 6 is the schematic flow sheet that radio node passes through system broadcasts notice end delay Stochastic accessing, has following steps:
S601, MME detect that the current loads of network is higher, or have occurred and that congested;
S602, MME send spatial load forecasting initiation message to eNodeB. By this message, eNodeB knows that core net current loads is higher, or has occurred that congested;
S603, after receiving the MME spatial load forecasting initiation message sent, eNodeB sends system broadcasts, and notice terminal current network load is higher or has occurred congested.
In system broadcasts, eNodeB carries one and postpones turn-on time (BackoffTime) according to determined one of current network load situation and local policy, and all of MTC terminal is identical by this delay turn-on time.
Further, eNodeB carries a randomization instruction in system broadcasts. After MTCUE receives the instruction of this randomization, adopt method as foregoing schemes in calculate random delay turn-on time, and control requesting itself is linked into the opportunity of network accordingly.
S505～S506, after MTCUE reads system broadcasts, MTCUE should just attempt again accessing network after computed random delay exceedes turn-on time.
It is pointed out that in the above-described embodiments, network has issued randomization instruction to terminal, and terminal enables random algorithm according to randomization instruction and calculates extra delay turn-on time.
In other one, method is, network does not include unified delay turn-on time to postponing of sending of terminal in access information, when terminal receives the delay access information that network sends, i.e. and the strategy according to self, adopt randomized algorithm to calculate random delay turn-on time.
In above-described embodiment, it is linked into E-UTRAN network for MTC terminal and is described. In actual applications, when MTC terminal is linked into the PS territory of GERAN, UTRAN, it is possible to adopt method same as before to postpone to access to the randomization controlling MTC terminal. Wherein, in the PS network of GERAN/UTRAN, mobile management network element SGSN, radio node is RNC (corresponding to GERAN network), NodeB (corresponding to UTRAN network).
The present invention also provides for the system that a kind of terminal is randomly accessing, including network and terminal. Wherein network, is used for one or more terminal transmission lag access informations;
Terminal, for after receiving this delay access information, after random delay turn-on time, is linked into this network.
Further, this network can include mobile management network element. This mobile management network element is when receiving the access request of this terminal, when judging whether to refusal access request according to network load or congestion situation, to terminal transmission lag access information.
Further, this network also includes radio node. Mobile management network element network load higher or congested time, to radio node send spatial load forecasting initiation message.
Radio node is after receiving spatial load forecasting initiation message, when receiving the access request of terminal, and when judging whether to refusal access request according to network load or congestion situation, to this terminal transmission lag access information.
Or, radio node is after receiving spatial load forecasting initiation message, to terminal broadcast system loading or congestion situation in system broadcasts, and carries delay access information.
When terminal is linked into E-UTRAN network, mobile management network element is MME, and radio node is eNodeB;When terminal is linked into GERAN network, mobility pipe network unit is GPRS (general packet radio service) support node (ServingGeneralpacketradioservicesupportnode, SGSN), radio node is radio network controller (RadioNetowrkController, RNC); When terminal is linked into UTRAN network, mobile management network element is SGSN, and radio node is NodeB base station.
The present invention also provides for the terminal that a kind of terminal is randomly accessing, including receiver module and AM access module. Receiver module, for receiving the delay access information that network is sent. AM access module, for when receiver module receives and prolongs access information, after random delay turn-on time, is linked into network.
Further, this terminal also includes computing module, is used for calculating random delay turn-on time.
The delay access information of terminal only includes postpone turn-on time if network is issued, then the computing module of terminal decides whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time; If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time.
If network is issued only includes randomization instruction in the delay access information of terminal, then the computing module of terminal can according to the policy calculation random delay turn-on time of terminal.
If network is issued the delay access information of terminal and included postponing turn-on time and randomization instruction, then the computing module of terminal adopts randomized algorithm to calculate random delay time, adds delay turn-on time, as random delay turn-on time.
The concrete method calculating random number is known technology, does not repeat them here. AM access module, before random delay arrival turn-on time, should not reattempt to access network.
Method provided by the invention, system and terminal, make the substantial amounts of terminal being attached to network in synchronization request and refused by network, the random delay of computed reality is evenly distributed in certain period of time turn-on time, thus ensure that these terminals are not concentrated in when secondary request is adhered on an identical time point, and then reach to control to be randomly accessing purpose. And this evaluation work is not placed on core net and carries out, thus significantly reducing network burden.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize. so, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (11)
1. the method that a terminal is randomly accessing, it is characterised in that including:
Network is to one or more terminal transmission lag access informations;
After described terminal receives described delay access information, after random delay turn-on time, it is linked into described network;
Described delay access information includes postponing turn-on time and/or randomization instruction;
Wherein, described delay turn-on time, it is used for indicating described terminal at least should be linked into network after described delay turn-on time;
Described randomization indicates, and is used for indicating described terminal to calculate random delay time;
Wherein, described network is core net; Network to one or more terminal transmission lag access informations, including:
Mobile management network element network load high or congested time, to radio node send spatial load forecasting initiation message;
Described radio node to described terminal broadcast system loading or congestion situation, and carries delay access information in system broadcasts.
2. method according to claim 1, it is characterised in that described network to one or more terminal transmission lag access informations, including:
Mobile management network element is when receiving the access request of described terminal, when judging whether to refuse described access request according to network load or congestion situation, refuses described access request, and sends described delay access information to described terminal.
3. method according to claim 1, it is characterised in that described network to one or more terminal transmission lag access informations, including:
Mobile management network element network load high or congested time, to radio node send spatial load forecasting initiation message;
Described radio node is after receiving described spatial load forecasting initiation message, when receiving the access request of described terminal, refuses described access request, and sends described delay access information to described terminal.
4. according to the method in claim 2 or 3, it is characterised in that described mobile management network element and described radio node refer specifically to:
When terminal is linked into E-UTRAN network, described mobile management network element is Mobility Management Entity (MME, MobilityManagementEntity), and described radio node is the NodeB (eNodeB) strengthened;
When terminal is linked into GERAN network, described mobility pipe network unit is packet wireless business support node (SGSN, ServingGeneralpacketradioservicesupportnode), described radio node is radio network controller (RNC, RadioNetowrkController);
When terminal is linked into UTRAN network, described mobile management network element is SGSN, and described radio node is NodeB.
5. method according to claim 1, it is characterised in that
If described delay access information include described delay turn-on time, after then described terminal receives described delay access information, decide whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time; If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time;
If described delay access information includes the instruction of described randomization, then, after described terminal receives described delay access information, calculate described random delay time according to terminal strategy, as described random delay turn-on time;
If described delay access information includes described delay turn-on time and the instruction of described randomization, after then described terminal receives described delay access information, calculate described random delay time, add described delay turn-on time, as described random delay turn-on time.
6. the system that a terminal is randomly accessing, it is characterised in that include network and terminal, wherein,
Described network, is used for one or more described terminal transmission lag access informations;
Described terminal, for after receiving described delay access information, after random delay turn-on time, is linked into described network;
Described delay access information includes postponing turn-on time and/or randomization instruction;
Wherein, described delay turn-on time, it is used for indicating described terminal at least should be linked into network after described delay turn-on time;
Described randomization indicates, and is used for indicating described terminal to calculate random delay time;
Wherein, described network is core net; Described network includes mobile management network element and radio node, wherein,
Described mobile management network element for network load high or congested time, to radio node send spatial load forecasting initiation message;
Described radio node is used in system broadcasts to described terminal broadcast system loading or congestion situation, and carries delay access information.
7. system according to claim 6, it is characterised in that described network includes mobile management network element, wherein,
Described mobile management network element is for when receiving the access request of described terminal, when judging whether to refuse described access request according to network load or congestion situation, sending described delay access information to described terminal.
8. system according to claim 6, it is characterised in that described network includes mobile management network element and radio node, wherein,
Described mobile management network element for network load high or congested time, to radio node send spatial load forecasting initiation message;
Described radio node is for after receiving described spatial load forecasting initiation message, when receiving the access request of described terminal, refuses described access request, and sends described delay access information to described terminal.
9. according to claim system according to claim 6 or 7 or 8, it is characterised in that described mobile management network element and described radio node refer specifically to:
When terminal is linked into E-UTRAN network, described mobile management network element is MME, and described radio node is eNodeB;
When terminal is linked into GERAN network, described mobility pipe network unit is SGSN, and described radio node is RNC;
When terminal is linked into UTRAN network, described mobile management network element is SGSN, and described radio node is NodeB.
10. the terminal that a terminal is randomly accessing, it is characterised in that include receiver module and AM access module, wherein,
Described receiver module, for receiving the delay access information that network is sent;
Described AM access module, for when receiver module receives delay access information, after random delay turn-on time, being linked into described network;
Described delay access information includes postponing turn-on time and/or randomization instruction;
Wherein, described delay turn-on time, it is used for indicating described terminal at least should be linked into network after described delay turn-on time;
Described randomization indicates, and is used for indicating described terminal to calculate random delay time;
Wherein, described network is core net;
Described network includes mobile management network element and radio node, wherein,
Described mobile management network element for network load high or congested time, to radio node send spatial load forecasting initiation message;
Described radio node is used in system broadcasts to described terminal broadcast system loading or congestion situation, and carries delay access information.
11. terminal according to claim 10, it is characterised in that also include computing module, it is used for calculating described random delay turn-on time, wherein,
If described delay access information includes described delay turn-on time, then described computing module decides whether to calculate described random delay time according to terminal strategy, if need not, then using described delay turn-on time as random delay turn-on time;If desired, then calculate described random delay time, add described delay turn-on time, as described random delay turn-on time;
If described delay access information includes the instruction of described randomization, then described computing module calculates described random delay time according to terminal strategy, as described random delay turn-on time;
If described delay access information includes described delay turn-on time and the instruction of described randomization, then described computing module calculates described random delay time, adds described delay turn-on time, as described random delay turn-on time.
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| CN107528678B (en) * | 2016-06-22 | 2021-10-29 | 大唐移动通信设备有限公司 | Method and equipment for updating system message |
| AU2017394023B2 (en) * | 2017-01-23 | 2021-11-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Random access method, terminal apparatus, and network apparatus |
| TW202008810A (en) * | 2018-08-01 | 2020-02-16 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | Random access method, terminal device and network equipment capable of reducing resource conflict on unlicensed frequency band during random access process |
| CN110187171A (en) * | 2019-06-25 | 2019-08-30 | 武汉阿迪克电子股份有限公司 | A kind of the LoRaWAN electric energy meter and method of network entry of quick networking mechanism |
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