CN102958099A - Method for processing discontinuous reception period in machine-type communication and network-side equipment - Google Patents
Method for processing discontinuous reception period in machine-type communication and network-side equipment Download PDFInfo
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Abstract
The invention provides a method for processing a discontinuous reception period in machine-type communication and network-side equipment in order to solve the problem that network congestion is easily caused by the improvement of the discontinuous reception period at present. The method for processing the discontinuous reception period in the machine-type communication comprises the following steps that the network load condition of the machine-type communication is acquired by the network-side equipment; the discontinuous reception period of a terminal is adjusted by the network-side equipment according to the network load condition of the machine-type communication; a paging message is sent to the terminal by the network-side equipment through a base station, and the adjusted discontinuous reception period is carried in the paging message so that data is reported by the terminal according to the adjusted discontinuous reception period. As the discontinuous reception period of the terminal is adjusted according to the network load condition, the data can be reported by the terminal according to the adjusted discontinuous reception period. The phenomenon that multiple terminals report data at the same time is avoided, thus solving the network congestion problem.
Description
Technical field
The present invention relates to the communications field, particularly relate to processing method and the network equipment of discontinuous receiving cycle in a kind of machine type communication.
Background technology
Along with the development of the communication technology, machine type communication (MTC, Machine-TypeCommunication) technology has obtained extensive concern.MTC is that machine corresponding in the third generation partner program (3GPP, The 3rd Generation Partner Project) is communicated by letter to machine (M2M, Machine toMachine).In the MTC communication system, terminal equipment also can be referred to as the MTC terminal.
MTC has different characteristics from present mobile communications network, shows: MTC has different market to use, and MTC is data communication basically; The MTC expense is lower, takies resource still less; MTC has the communication terminal of enormous quantity, and the data volume of each terminal but seldom simultaneously.Therefore, network need to according to the characteristics of MTC communication, increase new function, and existing function is optimized.
The MTC end cell life-span of present wireless communication system, its high power consumption mainly was because terminal needs periodically receiving system broadcast channel under idle condition usually at 2～3 days; Need periodically receiving common control channels under state of activation, the length of one's sleep is short; Need to support a large amount of measurements, feedback, the signaling of self adaptation operation.
The function of existing discontinuous reception (DRX, Discontinuous Reception) is to be the MTC saving power for terminal.DRX is divided into two kinds, a kind of is Idle state (IDLE) DRX, be that the MTC terminal is in the DRX under the idle condition, fully by initial Non-Access Stratum (NAS, Non Access Stratum) control, configuration by the various DRX parameters of beep-page message notification terminal, terminal enters DRX cycle according to the configuration of DRX parameter, this moment, terminal stopped to monitor Radio Network Temporary Identifier (the P-Radio Network Temporary Identity for paging, P-RNTI) Physical Downlink Control Channel of scrambling (PDCCH, Physical Downlink Control Channel); After DRX cycle finished, terminal began to monitor again, and terminal can realize power saving in the DRX cycle of Idle state thus.Another kind is connected state (ACTIVE) DRX, be the DRX of MTC end under connection status, eNB control, issued the configuration of the various DRX parameters of signaling MTC terminal by RRC, while media access control layer (MAC, Medium Access Control) layer also can pass through MAC Control Element (CE, Control Element) control DRX; After DRX cycle finished, terminal began to monitor again, and terminal can realize power saving in the DRX cycle of connected state thus.
At present in Long Term Evolution (LTE, the Long Term Evolution) network based on MTC, only be to design more macrocyclic DRX cycle so that the MTC saving power for terminal for the improvement of DRX.But because MTC communication relates to a large amount of terminals, these MTC terminals are for the needs of using, may be in the synchronization reported data, thereby cause the congested of core net, wireless side equipment, this congested may be signaling plane, also may be data surface.When congested generation, existing only the design longer DRX cycle method can't control well congested.
Therefore, although at present this improvement to DRX can reach the effect that makes the MTC saving power for terminal, the while also brings following problem: when great amount of terminals during in the synchronization reported data, cause easily network congestion.
Summary of the invention
The invention provides processing method and the network equipment of discontinuous receiving cycle in a kind of machine type communication, to solve the problem that at present improvement of DRX is caused easily network congestion.
In order to address the above problem, the invention discloses the processing method of discontinuous receiving cycle in a kind of machine type communication, comprising:
Network equipment obtains the offered load situation of machine type communication;
Described network equipment is adjusted the discontinuous receiving cycle of terminal according to the offered load situation of described machine type communication;
Described network equipment sends beep-page message by the base station to described terminal, carries the discontinuous receiving cycle after the described adjustment in the described beep-page message, for the discontinuous receiving cycle reported data of described terminal after according to described adjustment.
Preferably, described network equipment comprises according to the discontinuous receiving cycle of the offered load situation adjustment terminal of described machine type communication:
When the offered load situation of described machine type communication was excess load, described network equipment was the described terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle;
When the offered load situation of described machine type communication was underload, described network equipment was the described terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle.
Preferably, described network equipment is adjusted before the discontinuous receiving cycle of terminal according to the offered load situation of described machine type communication, also comprises:
Described network equipment is selected terminal according to the offered load situation of described machine type communication.
Preferably, described network equipment is selected terminal according to the offered load situation of described machine type communication, comprising:
Described network equipment obtains the priority of terminal in the described grouping according to the group character of described terminal and the corresponding relation between described group character and the packet-priority; The priority of all terminals that wherein, comprise in the described grouping is identical;
Described network equipment is selected terminal in the grouping according to the priority of terminal in the offered load situation of machine type communication and the described grouping.
Preferably, described network equipment is selected terminal in the grouping according to the priority of terminal in the offered load situation of machine type communication and the described grouping, comprising:
When the offered load situation of machine type communication was excess load, described network equipment was selected the terminal in the low grouping of priority;
When the offered load situation of machine type communication was underload, described network equipment was selected the terminal in the high grouping of priority;
Wherein, terminal is higher than in the low grouping of described priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of described priority.
Preferably, the described network equipment offered load situation of obtaining machine type communication comprises:
Described network equipment obtains the offered load situation by detecting present network load, and perhaps described network equipment obtains the offered load situation by the flow value in the statistics Preset Time;
Described network equipment obtains the offered load situation by detecting present network load, comprising:
Described network equipment detects the load average of CPU, if reach the first preset value, then described offered load situation is described excess load, if do not reach the second preset value, then described offered load situation is described underload; Wherein, described the first preset value is greater than described the second preset value;
Described network equipment obtains the offered load situation by the flow value in the statistics Preset Time, comprising:
Flow value in the described network equipment statistics Preset Time, if described flow value reaches the 3rd preset value, then described offered load situation is described excess load, if do not reach the 4th preset value, then described offered load situation is described underload; Wherein, described the 3rd preset value is greater than described the 4th preset value.
Preferably, when described terminal was in connection status, the offered load situation that described network equipment obtains machine type communication also comprised:
Described network equipment receives the described offered load situation of described terminal to report; The described offered load situation of described terminal to report was described terminal before each discontinuous receiving cycle finishes, and determined according to up-downgoing speed.
The invention also discloses a kind of network equipment, comprising:
Offered load situation acquisition module is for the offered load situation of obtaining machine type communication;
The cycle adjusting module is used for the discontinuous receiving cycle according to the offered load situation adjustment terminal of described machine type communication;
The beep-page message sending module is used for sending beep-page message by the base station to described terminal, carries the discontinuous receiving cycle after the described adjustment in the described beep-page message, for the discontinuous receiving cycle reported data of described terminal after according to described adjustment.
Preferably, described cycle adjusting module comprises:
Long period configuration submodule is used for being the described terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle when the offered load situation of described machine type communication is excess load;
Short period configuration submodule is used for being the described terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle when the offered load situation of described machine type communication is underload.
Preferably, also comprise:
Select module, be used for selecting terminal according to the offered load situation of described machine type communication.
Preferably, described selection module comprises:
Priority is obtained submodule, is used for obtaining the priority of terminal in the described grouping according to the corresponding relation between described end packet sign and described group character and the packet-priority; The priority of all terminals that wherein, comprise in the described grouping is identical;
Terminal chooser module is used for selecting terminal in the grouping according to the priority of the offered load situation of machine type communication and described grouping terminal.
Preferably, described terminal chooser module comprises:
First terminal chooser module is used for when the offered load situation of machine type communication is excess load, selects the terminal in the low grouping of priority;
The second terminal chooser module is used for when the offered load situation of machine type communication is underload, selects the terminal in the high grouping of priority;
Wherein, terminal is higher than in the low grouping of described priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of described priority.
Preferably, described offered load situation acquisition module comprises:
Directly obtain submodule, be used for obtaining the offered load situation by detecting present network load, perhaps obtain the offered load situation by the flow value in the statistics Preset Time;
The described submodule that directly obtains comprises:
First directly obtains submodule, and for detection of the load average of CPU, if reach the first preset value, then described offered load situation is described excess load, if do not reach the second preset value, then described offered load situation is described underload; Wherein, described the first preset value is greater than described the second preset value;
Second directly obtains submodule, is used for the flow value in the statistics Preset Time, if described flow value reaches the 3rd preset value, then described offered load situation is described excess load, if do not reach the 4th preset value, then described offered load situation is described underload; Wherein, described the 3rd preset value is greater than described the 4th preset value.
Preferably, described offered load situation acquisition module also comprises:
Indirectly obtain submodule, be used for when described terminal is in connection status, receiving the described offered load situation of described terminal to report; The described offered load situation of described terminal to report was described terminal before each discontinuous receiving cycle finishes, and determined according to up-downgoing speed.
Compared with prior art, the present invention includes following advantage:
At first, network equipment of the present invention is adjusted the discontinuous receiving cycle of terminal according to the offered load situation of machine type communication, adjust the discontinuous receiving cycle of terminal according to the offered load situation just because of the present invention, thereby can solve the problem of network congestion, reach self adaptation and adjusted in real time the effect of the discontinuous receiving cycle of terminal, and each terminal can be according to the discontinuous receiving cycle reported data after adjusting, avoid great amount of terminals in the synchronization reported data, therefore avoided the generation of network congestion.
Secondly, when the present invention was excess load when the offered load situation of machine type communication, network equipment was the terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle; When the offered load situation of machine type communication is underload, network equipment is the terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle, this shows that the present invention can adjust in real time, neatly according to the offered load situation discontinuous receiving cycle of terminal.And when the offered load situation of machine type communication was underload, network equipment was the terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle, also can increase network utilization when the offered load situation is underload.
At last, the present invention selects terminal according to the offered load situation, discontinuous receiving cycle to selected terminal is adjusted, not only can adjust in real time the discontinuous receiving cycle of a terminal, also by terminal is divided into groups, realized take group as granularity one or more groups the discontinuous receiving cycle of terminal is adjusted in real time, better the discontinuous receiving cycle in the communication of handling machine class.And the present invention not on the same group terminal is provided with according to this group terminal the requirement of data time delay is provided with different priority, and terminal is higher than in the low grouping of priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of priority.The present invention adjusts simultaneously to the discontinuous receiving cycle of all terminals, but when the offered load situation of machine type communication was excess load, network equipment was selected the terminal in the low grouping of priority; When the offered load situation of machine type communication is underload, network equipment is selected the terminal in the high grouping of priority, realized the reasonable processing to the discontinuous receiving cycle in the machine type communication, the efficient that guaranteed system when avoiding network congestion to occur throughput and data are processed.
Description of drawings
Fig. 1 is the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication in the embodiment of the invention one;
Fig. 2 is the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication in the embodiment of the invention two;
Fig. 3 is the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication in the embodiment of the invention three;
Fig. 4 is the processing procedure of the discontinuous receiving cycle under the idle condition in the embodiment of the invention three;
Fig. 5 is the processing procedure of the discontinuous receiving cycle under the connection status in the embodiment of the invention three;
Fig. 6 is the structured flowchart of a kind of network equipment in the embodiment of the invention four;
Fig. 7 is the structured flowchart of a kind of network equipment in the embodiment of the invention five.
Embodiment
Main thought of the present invention is the offered load situation according to machine type communication, adjusts in real time the discontinuous receiving cycle of machine type communication terminal.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Embodiment one:
With reference to Fig. 1, show the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication of the present invention, present embodiment specifically can may further comprise the steps:
S101, network equipment obtain the offered load situation of machine type communication;
S102, network equipment adjust the discontinuous receiving cycle of terminal according to the offered load situation of machine type communication;
Network equipment can according to the offered load situation of obtaining among the S101, be adjusted the DRX cycle of communication MTC terminal in real time.
S103, network equipment sends beep-page message by the base station to terminal, carries the discontinuous receiving cycle after the adjustment in the beep-page message, for terminal according to the discontinuous receiving cycle reported data after adjusting.
Network side at first sends paging Paging message to the base station, carry the DRX cycle after the adjustment in the message, and then, the base station sends paging Paging message to the MTC terminal, carries the DRX cycle after the adjustment in the message.
After the MTC terminal is received DRX cycle after the adjustment, just can in time adjust own current DRX cycle, adopt the purpose of DRX cycle to reach power saving or to raise the efficiency after adjusting.
The present embodiment network equipment is adjusted the discontinuous receiving cycle of terminal according to the offered load situation of machine type communication, just because of the discontinuous receiving cycle of adjusting terminal according to the offered load situation, thereby can solve the problem of network congestion, reach self adaptation and adjusted in real time the effect of the discontinuous receiving cycle of terminal, and terminal is according to the discontinuous receiving cycle reported data after adjusting, avoid great amount of terminals in the synchronization reported data, therefore avoided the generation of network congestion.
Embodiment two:
With reference to Fig. 2, show the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication of the present invention, present embodiment specifically can may further comprise the steps:
S201, network equipment obtain the offered load situation of machine type communication;
For example network equipment can obtain the offered load situation by monitoring present network load, also can obtain the offered load situation by the offered load situation of MTC terminal to report, can also carry out traffic monitoring by the base station and obtain the offered load situation.In the practical application, network equipment can also adopt other modes to obtain the offered load situation, gives an example no longer one by one at this.
S202, network equipment is selected terminal according to the offered load situation of machine type communication;
In the present embodiment, in the present embodiment, the MTC terminal is divided into groups, thereby network equipment can select one or more MTC terminals, also can select one or more groups MTC terminal.
Present embodiment can according to different application, can divide into groups according to the common trait of terminal.MTC terminal in same group has identical characteristics, terminal in same group can be suitable to the requirement of data time delay, but incomplete same, for example: delay requirement is that the terminal of 2.3ms, 3ms and 3.5ms is divided a group, and delay requirement is that the terminal of 4ms, 4.5ms and 4.5ms is divided in another grouping.And, the difference of type of service also can cause the difference of data delay, because the terminal of different service types is divided in different groups, for example, these two kinds of types of service of Real Time Monitoring and periodic monitoring are inconsistent to the data delay requirement, thereby the terminal of processing Real Time Monitoring business is divided in different groups with the terminal of processing regularly detection business.
Present embodiment has carried out again the division of priority to the group of terminal, and different groups has different priority.Particularly, network equipment can according to the group character of terminal and the corresponding relation between group character and the packet-priority, obtain the priority of terminal in the grouping; Wherein, the priority of all terminals that comprise in the grouping is identical, and terminal is higher than in the low grouping of priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of priority.Then, network side can according to the priority of group, be selected one group or several groups of MTC terminals.
For example, the MTC set of terminal of some non real-time application, request of data intermittently, low to the data delay requirement, the priority that these groups are set in the present embodiment is low, follow-up when the MTC terminal is carried out real-time adjustment that DRX cycle increases, the low group of these priority will preferentially be adjusted, because the low group of priority requires lowly to the data time delay, adjust first the low group of these priority and can not produce larger impact to the application of MTC terminal, can guarantee that the MTC terminal normally uses.
And for example, the MTC set of terminal that some are used in real time, the picture instant messaging, conversation etc., requirement to the data time delay is higher, the priority of these groups is set in the present embodiment for high, follow-up when the MTC terminal is carried out real-time adjustment that DRX cycle increases, the high group of these priority will be adjusted at last, because the group that priority is high is high to the requirement of data time delay, can produce larger impact to the application of MTC terminal if adjust the high group of these priority, instant messaging or conversation will can not realize smoothly because of the adjustment of DRX cycle, therefore these priority to the high group of data delay requirement are set to height, adjusting at last these groups high to the data delay requirement, also is in order to guarantee the normal use of MTC terminal.
S203, network equipment adjust the discontinuous receiving cycle of selected terminal according to the offered load situation of machine type communication;
Here selected MTC terminal can be a MTC terminal, also can be one group of MTC terminal.Present embodiment does not limit this.
Particularly, when the offered load situation of machine type communication was excess load, network equipment was the terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle; Like this, corresponding MTC terminal just enters longer DRX cycle, and in next DRX cycle, the MTC terminal that is in the data connection under the RRC connection status will correspondingly reduce so, and the situation of network excess load can improve.Simultaneously corresponding MTC terminal is able to power saving.
When the offered load situation of machine type communication is underload, network equipment is the terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle, do not affecting in the load of base station situation like this, because DRX shortens, improve some MTC terminal speeds and reduce corresponding bLock error rate (BLER, Block Error Ratio).
This shows that present embodiment can be adjusted in real time, neatly according to the offered load situation discontinuous receiving cycle of terminal.And when the offered load situation of machine type communication was underload, network equipment was the terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle, also can increase network utilization when the offered load situation is underload.
S204, network equipment sends beep-page message by the base station to selected terminal, carries the discontinuous receiving cycle after the adjustment in the beep-page message, for terminal according to the discontinuous receiving cycle reported data after adjusting.
Same network equipment can send beep-page message to a selected MTC terminal by the base station, also can send beep-page message to selected one group of MTC terminal by the base station.If what select is one group of MTC terminal, all MTC terminals all can be received the DRX cycle after the adjustment in this group, namely all MTC terminals in selected group are all carried out the adjustment of DRX cycle.
Present embodiment is selected terminal according to the offered load situation, discontinuous receiving cycle to selected terminal is adjusted, not only can adjust in real time the discontinuous receiving cycle of a terminal, also by terminal is divided into groups, realized take group as granularity one or more groups the discontinuous receiving cycle of terminal is adjusted in real time, better the discontinuous receiving cycle in the communication of handling machine class.And present embodiment not on the same group terminal is provided with according to this group terminal the requirement of data time delay is provided with different priority, and terminal is higher than in the low grouping of priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of priority.Present embodiment is not that the discontinuous receiving cycle of all terminals is adjusted simultaneously, but when the offered load situation of machine type communication was excess load, network equipment was selected the terminal in the low grouping of priority; When the offered load situation of machine type communication is underload, network equipment is selected the terminal in the high grouping of priority, realized the reasonable processing to the discontinuous receiving cycle in the machine type communication, the efficient that guaranteed system when avoiding network congestion to occur throughput and data are processed.
Embodiment three:
With reference to Fig. 3, show the flow chart of the processing method of discontinuous receiving cycle in a kind of machine type communication of the present invention, present embodiment specifically can may further comprise the steps:
S301, network equipment obtain the offered load situation of machine type communication;
Network equipment specifically can obtain by the mode that following S3011 or S3012 provide the offered load situation of machine type communication:
S3011, network equipment obtains the offered load situation by detecting present network load, and perhaps network equipment obtains the offered load situation by the flow value in the statistics Preset Time;
Wherein, network equipment obtains the offered load situation by detecting present network load, comprising:
Network equipment detects the load average of CPU, if reach the first preset value, then the offered load situation is excess load, if do not reach the second preset value, then the offered load situation is underload; Wherein, the first preset value is greater than the second preset value;
In the present embodiment, the first preset value can be 80% of cpu load, if the load average of CPU reaches 80%, is excess load with regard to the decision network load state.The second preset value can be 30% of cpu load, if the load average of CPU does not reach 30%, then the decision network load state is underload, and obvious the first preset value 80% is greater than the second preset value 30%.
Network equipment obtains the offered load situation by the flow value in the statistics Preset Time, comprising:
Flow value in the network equipment statistics Preset Time, if flow value reaches the 3rd preset value, then the offered load situation is excess load, if do not reach the 4th preset value, then the offered load situation is underload; Wherein, the 3rd preset value is greater than the 4th preset value.
In the present embodiment, the 3rd preset value can be 80% of flow value threshold value, if flow value reaches 80% of threshold value, just thinks that the offered load situation is excess load.The 4th preset value can be 30% of flow value threshold value, if flow value does not reach 30% of threshold value, just thinks that the offered load situation is underload.Obvious the 3rd preset value 80% is greater than the second preset value 30%.
In the present embodiment, the first preset value and the second preset value are for cpu load, and the 3rd preset value and the 4th preset value are for flow value.During practical application, the first preset value, the second preset value, the 3rd preset value, the 4th preset value can be set according to actual conditions, and present embodiment is not done restriction to this.
S3012, the offered load situation that the network equipment receiving terminal reports;
The offered load situation of terminal to report was terminal before each discontinuous receiving cycle finishes in the present embodiment, determined according to up-downgoing speed.
When the MTC terminal is in connection status, the MTC terminal is before each DRX cycle finishes, judge the offered load situation according to up-downgoing speed, then by signaling the offered load situation is sent to network side, network side judges that according to the offered load situation of MTC terminal to report network condition is excess load or underload.
S302, network equipment adjust the discontinuous receiving cycle of terminal according to the offered load situation of machine type communication; Particularly, when the offered load situation of machine type communication was excess load, network equipment was the terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle; When the offered load situation of machine type communication was underload, network equipment was the terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle.
S303, network equipment sends beep-page message by the base station to terminal, carries the discontinuous receiving cycle after the adjustment in the beep-page message, for terminal according to the discontinuous receiving cycle reported data after adjusting.
Network side at first sends paging Paging message to the base station, carry the DRX cycle after the adjustment in the message, and then, the base station sends paging Paging message to the MTC terminal, carries the DRX cycle after the adjustment in the message.After the MTC terminal is received DRX cycle after the adjustment, just can in time adjust own current DRX cycle, adopt the purpose of DRX cycle to reach power saving or to raise the efficiency after adjusting.
Present embodiment has been introduced network side can obtain the offered load situation by monitoring present network load, also can obtain the offered load situation by the offered load situation of MTC terminal to report, certainly, network side can also carry out traffic monitoring and then obtain the offered load situation by the base station.Present embodiment obtains the offered load situation to network side by which kind of mode and does not limit, and can select the suitable mode of obtaining offered load according to the concrete condition of reality.
The below describes above-mentioned steps S301-S303 as MME as example take LTE system, network equipment, is the processing procedure of the discontinuous receiving cycle under the idle condition such as Fig. 4:
S401, MME obtain the offered load situation of machine type communication;
S402, MME adjust the DRX cycle of MTC terminal according to the offered load situation;
S403, MME sends to the base station by signaling, carries and adjusts rear DRX cycle;
S404, the base station sends beep-page message to the MTC terminal, carries the DRX cycle after the adjustment in the beep-page message;
S405, the DRX cycle of MTC terminal after according to the adjustment of carrying in the beep-page message, the DRX cycle after adjusting after current DRX cycle revised, and according to the DRX cycle reported data after adjusting.
A kind of mode of the processing of the discontinuous receiving cycle under the connection status is similar under the idle condition, also is the offered load situation of obtaining machine type communication by MME, can be with reference to the processing procedure of the discontinuous receiving cycle under figure 4 idle conditions; The another kind of mode of the processing of the discontinuous receiving cycle under the connection status is: MME obtains the offered load situation by the offered load situation of MTC terminal to report, as shown in Figure 5, comprising:
S501, the DRX cycle of MTC terminal arrives, and the MTC terminal is obtained the offered load situation;
Particularly, the MTC terminal was judged the offered load situation according to up-downgoing speed, and then is obtained the offered load situation before each DRX cycle finishes.
S502, the MTC terminal sends to MME by the NAS signaling with the offered load situation;
S503, MME adjust the DRX cycle of MTC terminal according to the offered load situation;
S504, MME be by the signaling base station, carries the DRX cycle after the adjustment in the signaling;
S505, the base station sends beep-page message to the MTC terminal, carries the DRX cycle after the adjustment in the beep-page message;
S506, the DRX cycle of MTC terminal after according to the adjustment of carrying in the beep-page message, the DRX cycle after adjusting after current DRX cycle revised, and according to the DRX cycle reported data after adjusting.
Certainly, network side can also carry out traffic monitoring and then obtain the offered load situation by the base station.Present embodiment obtains the offered load situation to network side by which kind of mode and does not limit, and can select the suitable mode of obtaining offered load according to the concrete condition of reality.
Embodiment four:
With reference to Fig. 6, show the structured flowchart of a kind of network equipment of the present invention, present embodiment specifically can comprise such as lower module:
Offered load situation acquisition module 1001 is for the offered load situation of obtaining machine type communication;
Cycle adjusting module 1002 is used for the DRX cycle according to the offered load situation adjustment terminal of machine type communication;
Beep-page message sending module 1003 is used for sending beep-page message by the base station to terminal, carries the DRX cycle after the adjustment in the beep-page message, for terminal according to the discontinuous receiving cycle reported data after adjusting.
Beep-page message sending module 1003 at first sends paging Paging message to the base station, carry the DRX cycle after the adjustment in the message, and then, the base station sends paging Paging message to the MTC terminal, carries the DRX cycle after the adjustment in the message.
After the MTC terminal is received DRX cycle after the adjustment, just can in time adjust own current DRX cycle, adopt DRX cycle after adjusting to reach power saving or to improve terminal speed and reduce the purpose of BLER.
The offered load situation of the machine type communication that present embodiment cycle adjusting module 1002 gets access to according to offered load situation acquisition module 1001 is adjusted the discontinuous receiving cycle of terminal, adjust the discontinuous receiving cycle of terminal according to the offered load situation just because of cycle adjusting module 1002, thereby can solve the problem of network congestion, reach self adaptation and adjusted in real time the effect of the discontinuous receiving cycle of terminal, and terminal is according to the discontinuous receiving cycle reported data after adjusting, avoid great amount of terminals in the synchronization reported data, therefore avoided the generation of network congestion.
For this apparatus embodiments because itself and embodiment of the method one basic simlarity, so describe fairly simple, relevant part gets final product referring to the part explanation of Fig. 1 embodiment of the method one.
Embodiment five:
With reference to Fig. 7, show the structured flowchart of a kind of network equipment of the present invention, present embodiment specifically can comprise such as lower module: offered load situation acquisition module 2001, selection module 2002, cycle adjusting module 2003 and beep-page message sending module 2004.
Wherein,
Offered load situation acquisition module 2001 is for the offered load situation of obtaining machine type communication;
Offered load situation acquisition module 2001 can obtain the offered load situation by monitoring present network load, also can obtain the offered load situation by the offered load situation of MTC terminal to report, can also carry out traffic monitoring by the base station and obtain the offered load situation.
Particularly, offered load situation acquisition module 2001 can comprise in the present embodiment:
Directly obtain submodule 20011, be used for obtaining the offered load situation by detecting present network load, perhaps obtain the offered load situation by the flow value in the statistics Preset Time; Directly obtaining submodule 20011 can comprise:
First directly obtains submodule, and for detection of the load average of CPU, if reach the first preset value, then the offered load situation is excess load, if do not reach the second preset value, then the offered load situation is underload; Wherein, the first preset value is greater than the second preset value;
Second directly obtains submodule, is used for the flow value in the statistics Preset Time, if flow value reaches the 3rd preset value, then the offered load situation is excess load, if do not reach the 4th preset value, then the offered load situation is underload; Wherein, the 3rd preset value is greater than the 4th preset value.
In the present embodiment, the first preset value and the second preset value are for cpu load, and the 3rd preset value and the 4th preset value are for flow value.During practical application, the first preset value, the second preset value, the 3rd preset value, the 4th preset value can be set according to actual conditions, and present embodiment is not done restriction to this.
Above-mentioned offered load situation acquisition module 2001 can also comprise:
Indirectly obtain submodule 20012, be used for when terminal is in connection status the offered load situation that receiving terminal reports; The offered load situation of terminal to report was terminal before each discontinuous receiving cycle finishes, and determined according to up-downgoing speed.
The MTC terminal is before each DRX cycle finishes, judge the offered load situation according to up-downgoing speed, then by signaling the offered load situation is sent to and indirectly obtain submodule 20012, indirectly obtain submodule 20012 and judge that according to the offered load situation of MTC terminal to report network condition is excess load or underload.
In a kind of preferred embodiment of present embodiment five, offered load situation acquisition module 2001 also is used for carrying out traffic monitoring and then obtaining the offered load situation by the base station.
Select module 2002, be used for selecting terminal according to the offered load situation of machine type communication.
In the present embodiment, select module 2002 can select a MTC terminal, also can select one group of MTC terminal.Present embodiment does not limit this.Present embodiment can according to different application, can divide into groups according to the common trait of terminal.MTC terminal in same group has identical characteristics, terminal in same group can be suitable to the requirement of data time delay, but incomplete same, for example: delay requirement is that the terminal of 2.3ms, 3ms and 3.5ms is divided a group, and delay requirement is that the terminal of 4ms, 4.5ms and 4.5ms is divided in another grouping.And, the difference of type of service also can cause the difference of data delay, because the terminal of different service types is divided in different groups, for example, these two kinds of types of service of Real Time Monitoring and periodic monitoring are inconsistent to the data delay requirement, thereby the terminal of processing Real Time Monitoring business is divided in different groups with the terminal of processing regularly detection business.
Present embodiment has carried out again the division of priority to the group of terminal, and different groups has different priority.Particularly, network equipment can according to the group character of terminal and the corresponding relation between group character and the packet-priority, obtain the priority of terminal in the grouping; Wherein, the priority of all terminals that comprise in the grouping is identical, and terminal is higher than in the low grouping of priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of priority.Then, network side can according to the priority of group, be selected one group or several groups of MTC terminals.
Therefore select module 2002 specifically can comprise in the present embodiment:
Priority is obtained submodule, is used for obtaining the priority of terminal in the grouping according to the corresponding relation between end packet sign and group character and the packet-priority; The priority of all terminals that wherein, comprise in the grouping is identical;
Terminal chooser module is used for according to the terminal in the priority selection grouping of the offered load situation of machine type communication and the terminal of dividing into groups.
Above-mentioned terminal chooser module can comprise:
First terminal chooser module is used for when the offered load situation of machine type communication is excess load, selects the terminal in the low grouping of priority;
The second terminal chooser module is used for when the offered load situation of machine type communication is underload, selects the terminal in the high grouping of priority;
Wherein, terminal is higher than in the low grouping of priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of priority.
Cycle adjusting module 2003 is for the DRX cycle of adjusting selected terminal according to the offered load situation of machine type communication;
Cycle adjusting module 2003 specifically can comprise:
Long period configuration submodule 20031 is used for being the terminal configuration DRX cycle longer than current DRX cycle when the offered load situation of machine type communication is excess load; Like this, corresponding MTC terminal just enters longer DRX cycle, and in next DRX cycle, the MTC terminal that is in the data connection under the RRC connection status will correspondingly reduce so, and the situation of network excess load can improve.Simultaneously corresponding MTC terminal is able to power saving.
Short period configuration submodule 20032 is used for being the terminal configuration DRX cycle shorter than current DRX cycle when the offered load situation of machine type communication is underload.When the offered load situation is underload, the DRX cycle that the network side configuration is shorter than the current DRX cycle of MTC terminal, so in next DRX cycle, the MTC terminal that is in the data connection under the RRC connection status will correspondingly increase, and improves some MTC terminal speeds and reduces corresponding BLER.
Particularly, when the offered load situation of obtaining when offered load situation acquisition module 2001 was excess load, cycle adjusting module 2003 was selected the module 2002 selected MTC terminal configuration DRX cycle longer than the current DRX cycle of selected MTC terminal by 20031 pairs of long period configuration submodules;
When the offered load situation of obtaining when offered load situation acquisition module 2001 was underload, cycle adjusting module 2003 was selected the module 2002 selected MTC terminal configuration DRX cycle shorter than the current DRX cycle of selected MTC terminal by 20032 pairs of short period configuration submodules.
Beep-page message sending module 2004 is used for sending beep-page message by the base station to selected terminal, carries the DRX cycle after the adjustment in the beep-page message, for terminal according to the discontinuous receiving cycle reported data after adjusting.
Same beep-page message sending module 2004 can by the base station to selecting module 2002 selected MTC terminals to send beep-page message, also can send beep-page messages to selection module 2002 selected one group of MTC terminal by the base station.If what select is one group of MTC terminal, all MTC terminals all can be received the DRX cycle after the adjustment in this group, namely all MTC terminals in selected group are all carried out the adjustment of DRX cycle.
Beep-page message sending module 2004 at first sends paging Paging message to the base station, carry the DRX cycle after the adjustment in the message, and then, the base station sends paging Paging message to the MTC terminal, carries the DRX cycle after the adjustment in the message.
After the MTC terminal is received DRX cycle after the adjustment, just can in time adjust own current DRX cycle, adopt the DRX cycle reported data after adjusting, avoid great amount of terminals in the synchronization reported data, thereby avoided the generation of network congestion.
For this apparatus embodiments because itself and embodiment of the method basic simlarity, so describe fairly simple, relevant part gets final product referring to the part explanation of Fig. 2, Fig. 3 embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
Also need to prove, in this article, relational terms such as the first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or sequentially between these entities or the operation.
More than to processing method and the network equipment of discontinuous receiving cycle in a kind of machine type communication provided by the present invention, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.
Claims (14)
1. the processing method of discontinuous receiving cycle in the machine type communication is characterized in that, comprising:
Network equipment obtains the offered load situation of machine type communication;
Described network equipment is adjusted the discontinuous receiving cycle of terminal according to the offered load situation of described machine type communication;
Described network equipment sends beep-page message by the base station to described terminal, carries the discontinuous receiving cycle after the described adjustment in the described beep-page message, for the discontinuous receiving cycle reported data of described terminal after according to described adjustment.
2. method according to claim 1 is characterized in that, described network equipment comprises according to the discontinuous receiving cycle of the offered load situation adjustment terminal of described machine type communication:
When the offered load situation of described machine type communication was excess load, described network equipment was the described terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle;
When the offered load situation of described machine type communication was underload, described network equipment was the described terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle.
3. method according to claim 1 is characterized in that, described network equipment is adjusted before the discontinuous receiving cycle of terminal according to the offered load situation of described machine type communication, also comprises:
Described network equipment is selected terminal according to the offered load situation of described machine type communication.
4. method according to claim 3 is characterized in that, described network equipment is selected terminal according to the offered load situation of described machine type communication, comprising:
Described network equipment obtains the priority of terminal in the described grouping according to the group character of described terminal and the corresponding relation between described group character and the packet-priority; The priority of all terminals that wherein, comprise in the described grouping is identical;
Described network equipment is selected terminal in the grouping according to the priority of terminal in the offered load situation of machine type communication and the described grouping.
5. method according to claim 4 is characterized in that, described network equipment is selected terminal in the grouping according to the priority of terminal in the offered load situation of machine type communication and the described grouping, comprising:
When the offered load situation of machine type communication was excess load, described network equipment was selected the terminal in the low grouping of priority;
When the offered load situation of machine type communication was underload, described network equipment was selected the terminal in the high grouping of priority;
Wherein, terminal is higher than in the low grouping of described priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of described priority.
6. according to claim 2 or 5 described methods, it is characterized in that the offered load situation that described network equipment obtains machine type communication comprises:
Described network equipment obtains the offered load situation by detecting present network load, and perhaps described network equipment obtains the offered load situation by the flow value in the statistics Preset Time;
Described network equipment obtains the offered load situation by detecting present network load, comprising:
Described network equipment detects the load average of CPU, if reach the first preset value, then described offered load situation is described excess load, if do not reach the second preset value, then described offered load situation is described underload; Wherein, described the first preset value is greater than described the second preset value;
Described network equipment obtains the offered load situation by the flow value in the statistics Preset Time, comprising:
Flow value in the described network equipment statistics Preset Time, if described flow value reaches the 3rd preset value, then described offered load situation is described excess load, if do not reach the 4th preset value, then described offered load situation is described underload; Wherein, described the 3rd preset value is greater than described the 4th preset value.
7. method according to claim 6 is characterized in that, when described terminal was in connection status, the offered load situation that described network equipment obtains machine type communication also comprised:
Described network equipment receives the described offered load situation of described terminal to report; The described offered load situation of described terminal to report was described terminal before each discontinuous receiving cycle finishes, and determined according to up-downgoing speed.
8. a network equipment is characterized in that, comprising:
Offered load situation acquisition module is for the offered load situation of obtaining machine type communication;
The cycle adjusting module is used for the discontinuous receiving cycle according to the offered load situation adjustment terminal of described machine type communication;
The beep-page message sending module is used for sending beep-page message by the base station to described terminal, carries the discontinuous receiving cycle after the described adjustment in the described beep-page message, for the discontinuous receiving cycle reported data of described terminal after according to described adjustment.
9. equipment according to claim 8 is characterized in that, described cycle adjusting module comprises:
Long period configuration submodule is used for being the described terminal configuration discontinuous receiving cycle longer than current discontinuous receiving cycle when the offered load situation of described machine type communication is excess load;
Short period configuration submodule is used for being the described terminal configuration discontinuous receiving cycle shorter than current discontinuous receiving cycle when the offered load situation of described machine type communication is underload.
10. equipment according to claim 8 is characterized in that, also comprises:
Select module, be used for selecting terminal according to the offered load situation of described machine type communication.
11. equipment according to claim 10 is characterized in that, described selection module comprises:
Priority is obtained submodule, is used for obtaining the priority of terminal in the described grouping according to the corresponding relation between described end packet sign and described group character and the packet-priority; The priority of all terminals that wherein, comprise in the described grouping is identical;
Terminal chooser module is used for selecting terminal in the grouping according to the priority of the offered load situation of machine type communication and described grouping terminal.
12. equipment according to claim 11 is characterized in that, described terminal chooser module comprises:
First terminal chooser module is used for when the offered load situation of machine type communication is excess load, selects the terminal in the low grouping of priority;
The second terminal chooser module is used for when the offered load situation of machine type communication is underload, selects the terminal in the high grouping of priority;
Wherein, terminal is higher than in the low grouping of described priority terminal to the requirement of data time delay to the requirement of data time delay in the high grouping of described priority.
13. according to claim 9 or 12 described equipment, it is characterized in that described offered load situation acquisition module comprises:
Directly obtain submodule, be used for obtaining the offered load situation by detecting present network load, perhaps obtain the offered load situation by the flow value in the statistics Preset Time;
The described submodule that directly obtains comprises:
First directly obtains submodule, and for detection of the load average of CPU, if reach the first preset value, then described offered load situation is described excess load, if do not reach the second preset value, then described offered load situation is described underload; Wherein, described the first preset value is greater than described the second preset value;
Second directly obtains submodule, is used for the flow value in the statistics Preset Time, if described flow value reaches the 3rd preset value, then described offered load situation is described excess load, if do not reach the 4th preset value, then described offered load situation is described underload; Wherein, described the 3rd preset value is greater than described the 4th preset value.
14. equipment according to claim 13 is characterized in that, described offered load situation acquisition module also comprises:
Indirectly obtain submodule, be used for when described terminal is in connection status, receiving the described offered load situation of described terminal to report; The described offered load situation of described terminal to report was described terminal before each discontinuous receiving cycle finishes, and determined according to up-downgoing speed.
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