CN102769842A - Low-data volume service optimization method for long term evolution (LTE) network and network side equipment - Google Patents
Low-data volume service optimization method for long term evolution (LTE) network and network side equipment Download PDFInfo
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Abstract
The invention provides a low-data volume service optimization method for a long term evolution (LTE) network and network side equipment. The method comprises the following steps of: when the network side equipment receives a service establishment request from a mobile terminal, identifying the type of a service to be established by the mobile terminal; when the type of the service is a low-data volume service, querying the type of an operating system used by the mobile terminal according to the international mobile equipment identity (IMEI) of the mobile terminal; querying corresponding connection strategy information from a preset terminal information table according to the type of the operating system and the type of the service; establishing service connection for the mobile terminal according to the connection strategy information, and residing the mobile terminal in a radio resource control (RRC) state; and configuring a discontinuous receiving (DRX) parameter in the connection strategy information for the mobile terminal. A signaling load is alleviated, and problems caused by the introduction of a DRX technology about time delay and energy consumption are solved, so that a good experience is provided for a user.
Description
Technical field
The present invention relates to small data quantity service optimization method and network equipment in a kind of LTE network, belong to wireless communication field.
Background technology
Along with the development of intelligent terminal and internet-of-things terminal is popularized with extensive; User's use habit begins to take place huge change; More and more users is hankered after through application such as mobile phone use microblogging, instant messagings; This type business is always online, the heartbeat packet transmission is arranged, and is commonly called the small data quantity business.Because the small data quantity service needed makes the terminal carry out signaling link continually and rebuilds, the signaling traffic load that therefore can cause network such as increases the weight of at problem.
At existing LTE (Long Term Evolution; Long Term Evolution) in the communication system, handles in order at utmost to simplify RRC (Radio Resource Control, Radio Resource control); Reduce time delay; Improve the user experience sense, thereby only kept two RRC states, promptly idle (RRC_IDLE) attitude of RRC is connected (RRC_CONNECTED) attitude with RRC.Wherein, when business is not initiated in the terminal, be in the RRC_IDLE attitude usually, at this moment, network side does not have the RRC context at terminal yet, only carries out some such as monitoring operations such as paging, cell broadcast messages, within base station (eNodeB), does not store the RRC context yet; After terminal foundation business, get into the RRC_CONNECTED attitude, network side has the context at this terminal; And know the sub-district at terminal place; Carry out data between network and the terminal and transmit, switch and nearby region measurement, and control terminal carries out discontinuous transmission/reception (DTX/DRX).
For the LTE system, because the terminal can be changed between RRC_IDLE and RRC_CONNECTED attitude when the operation small data quantity is professional continually, this can bring huge signaling traffic load to network.In order to improve this defective, the portable terminal that is primarily aimed at Hypomobility in the prior art adopt to prolong the method that the terminal is in the duration of RRC_CONNECTED attitude and reduces the signaling traffic load in the network.Particularly, when the terminal begins to have the small data packets transmission, will transfer to the RRC_CONNECTED attitude from the RRC_IDLE attitude, after entering into the RRC_CONNECTED attitude, with prolong the duration that the terminal resides in this attitude as far as possible.
Yet; Be in the way of RRC_CONNECTED state for a long time through the terminal that makes Hypomobility; Though can reduce portable terminal frequent transitions between RRC_IDLE attitude and RRC_CONNECTED attitude when the operation small data quantity is professional, this way can increase the power consumption at terminal undoubtedly.For this reason, introduce DRX (Discontinuous Receiving, discontinuous reception) technology again and alleviated the power consumption problem of intelligent terminal.But, after introducing the DRX technology, because the diversity of intelligent terminal; Interaction data transmission/the reception of business of on the terminal of different brands different model, moving and network also is not quite similar at interval; If adopt same DRX configuration, may increase the time delay that some terminal receives data, perhaps terminates terminal sleeping when transfer of data is not arranged; Cause the waste of battery electric quantity, this will have influence on sense of experience of users to a certain extent.
Summary of the invention
The present invention provides small data quantity service optimization method and the network equipment in a kind of LTE network, in order to when alleviating signaling traffic load, improves sense of experience of users.
One aspect of the present invention provides the small data quantity service optimization method in a kind of LTE network, comprising:
Network equipment is discerned the type of service that said portable terminal will be set up when receiving the business foundation request that comes from portable terminal;
When said type of service is small data quantity when professional, inquire about the employed OS Type of said portable terminal according to the IMEI of said portable terminal;
According to said OS Type and said type of service corresponding connection strategy information of inquiry in preset terminal information table;
According to said connection strategy information is that said portable terminal is set up professional the connection, and said portable terminal is resided in the RRC connected state;
Be the DRX parameter that comprises in the said connection strategy information of said mobile terminal configuration.
The present invention provides a kind of network equipment on the other hand, comprising:
The type identification module is used for when receiving the business foundation request that comes from portable terminal, discerning the type of service that said portable terminal will be set up;
The type enquiry module, be used for when the said type of service of type identification module be small data quantity when professional, inquire about the employed OS Type of said portable terminal according to the IMEI of said portable terminal;
The policy lookup module is used for inquiring about corresponding connection strategy information according to said OS Type and said type of service at preset terminal information table;
Business is set up module, and being used for according to said connection strategy information is that said portable terminal is set up professional the connection, and said portable terminal is resided in the RRC connected state;
Parameter configuration module is used to the DRX parameter that comprises in the said connection strategy information of said mobile terminal configuration.
The present invention resides in the RRC connected state through moving the professional portable terminal of small data quantity, has avoided its frequent transitions between RRC Idle state and RRC connected state, thereby has alleviated signaling traffic load; And; The connection strategy information preset through basis is mobile terminal configuration corresponding D RX parameter; Therefore make the DRX parameter adapt to the small data quantity business more, improved time delay and energy consumption problem that the introducing because of the DRX technology causes, thereby better experience sense is provided for the user.
Description of drawings
Fig. 1 is the flow chart of the small data quantity service optimization method embodiment in the LTE network according to the invention;
Fig. 2 is the structure flow chart of the terminal information table mentioned in the step 300 shown in Figure 1;
Fig. 3 is the professional flow chart that connects of the foundation of mentioning in the step 400 shown in Figure 1;
Fig. 4 is the flow chart of the configuration DRX parameter mentioned in the step 500 shown in Figure 1;
Fig. 5 is the structural representation of network equipment embodiment according to the invention;
Fig. 6 is the concrete structure sketch map of building the table module shown in Figure 5;
Fig. 7 sets up the concrete structure sketch map of module for business shown in Figure 5;
Fig. 8 is the concrete structure sketch map of parameter configuration module shown in Figure 5.
Embodiment
Fig. 1 is the flow chart of the small data quantity service optimization method embodiment in the LTE network according to the invention, and is as shown in the figure, comprises the steps:
Wherein, said network equipment for example can be base station or equipment of the core network etc.; The said business request of setting up is the message that is used to ask to set up professional connection of being sent to network equipment by portable terminal.
Wherein, said IMEI is meant International Mobile Equipment Identity sign indicating number (International Mobile Equipment Identity), is used for mobile terminal device of unique identification; Particularly, can inquire the production firm and the model of said portable terminal earlier through IMEI, inquire the employed OS Type of this portable terminal according to this model then.Although the operating system of portable terminal can be carried out version updating, the type of its operating system can not change usually.
Wherein, connection strategy information is to be used to indicate the information of how said portable terminal being carried out connection processing, is kept in the terminal information table, and the process of setting up of this end message will be introduced in subsequent content.
Step 400, network equipment are that said portable terminal is set up professional the connection according to said connection strategy information, and said portable terminal is resided in the RRC connected state.
Wherein, Said type of service can be passed through at improved block core (Evolved Packet Core; Be called for short: EPC) Gateway Network Element in the net (P-GW) is gone up and is opened the deep layer message and detect that (Deep Packet Inspection is called for short: DPI) function and knowing.The professional connection procedure of concrete foundation will be introduced in subsequent content.In addition, professional if said type of service is not a small data quantity, then can adopt the prior art mode to handle, irrelevant with the present invention, therefore repeat no more.
Wherein, said DRX parameter comprises DRX cycle (Cycle), DRX work duration (On Duration Timer) and DRX dormancy duration (Inactivity Timer); Said DRX cycle is meant a number of subframes that DRX cycle comprised, and in this cycle, portable terminal is not handled any data that receive, and purpose is in order to cut down the consumption of energy; Said DRX work duration is meant the number that allows to monitor continuously the PDCCH subframe; Said DRX dormancy duration is meant after the PDCCH indication of scheduling new data is received at the terminal, allows the PDCCH number of subframes of monitoring continuously.
Need to prove here, also can comprise other guide in the said DRX parameter, but since irrelevant with the present invention, therefore repeat no more.
The present invention resides in the RRC connected state through moving the professional portable terminal of small data quantity, has avoided its frequent transitions between RRC Idle state and RRC connected state, thereby has alleviated signaling traffic load; And; The connection strategy information preset through basis is mobile terminal configuration corresponding D RX parameter; Therefore make the DRX parameter adapt to the small data quantity business more, improved time delay and energy consumption problem that the introducing because of the DRX technology causes, thereby better experience sense is provided for the user.
Below introduce the building process of the terminal information table of mentioning in the above-mentioned steps 300, as shown in Figure 2, comprise the steps:
Wherein, Said test terminal is the terminal equipment that uses in order to make up terminal information table, and the IMEI of test terminal and OS Type all are known for the tester, particularly; Said test terminal is a plurality of, uses dissimilar operating system respectively; Said multiple business had both comprised the small data quantity business, also comprised other business except that the small data quantity business; These business are moved on different test terminals respectively.
Wherein, said data packet transmission characteristic information comprises small data packets transmission intercal and small data packets size.Particularly, when said business is the small data quantity business, write down professional small data packets transmission intercal of various small data quantities and small data packets size; Set said DRX cycle according to said small data packets transmission intercal then, set said DRX work duration, set said DRX dormancy duration according to the maximum of said small data packets size according to the mean value of said small data packets size.
Through according to small data packets transmission intercal configuration DRX cycle, make portable terminal when not receiving small data packets, be in resting state, thereby practice thrift the energy consumption of portable terminal; Set DRX work duration according to the mean value of small data packets size; And the maximum setting DRX dormancy duration big or small according to small data packets; Make portable terminal in running order all the time when receiving small data packets, thereby avoid portable terminal when the small data packets that receives is handled, to bring time delay.Therefore it is thus clear that this step makes the DRX parameter adapt to the small data quantity business more, improved time delay and energy consumption problem that the introducing because of the DRX technology causes, thereby better experience sense is provided for the user.
In addition, if the different small data packets size of different service tool then can reconfigure DRX work duration and DRX dormancy duration according to corresponding small data packets size; If it is professional that said business is not a small data quantity, then can adopt the prior art mode to set connection strategy, irrelevant with the present invention, therefore repeat no more.
It is thus clear that in said terminal information table, therefore the preservation that is associated with OS Type and type of service of connection strategy information just can inquire corresponding connection strategy information through OS Type and type of service.
Through inventor's the discovery of studying assiduously, when moving on the portable terminal of dissimilar operating systems is housed with a kind of small data quantity business, its data packet transmission characteristic has nothing in common with each other; But when on the portable terminal that same type operating system is housed, moving, its data packet transmission characteristic is very nearly the same.Therefore, connection strategy information according to the invention can only be associated with OS Type and type of service, and need not be associated with the various models of portable terminal.Since the One's name is legion of portable terminal model, and the quantity of OS Type is limited, therefore, the data volume of favourable minimizing terminal information table.
Below introducing what mention in the step 400 is that said portable terminal is set up the professional process that connects according to said connection strategy information, as shown in Figure 3, comprises the steps:
As previously mentioned, mobile terminal device of IMEI unique identification, the data base querying that therefore can provide through manufacturer is to the type of portable terminal.
Wherein, said non-MTC terminal is meant the portable terminal except that the MTC terminal, because this type portable terminal has sensitiveness to time delay, therefore need be preferably them and set up professional the connection, to improve sense of experience of users.
Wherein, MTC (Machine Type Communication, the communication of machine class) terminal is meant the portable terminal that in Internet of Things, uses, and according to the transmission characteristic of Internet of Things, MTC can produce a large amount of small data quantity service application, thereby produces high signaling traffic load.Yet; Because the MTC terminal has insensitivity to time delay; Therefore in this step,, be that professional the connection set up in said MTC end delay when network side is current when being in congestion state; Thereby reduce influence, also help simultaneously reducing the network signal load that the small data quantity business at MTC terminal is brought non-MTC terminal in the existing network.
Particularly, can to the MTC terminal timer be set, before this timer stops timing, not give the small data quantity traffic assignments Radio Resource at MTC terminal, make it can't set up professional the connection by network equipment; After timer finishes timing, if the congestion condition of network side still, then is provided with this timer reclocking; Just be MTC terminal distribution Radio Resource when network side is no longer congested, set up professional the connection.
Step 422 is for set up professional the connection in said MTC terminal immediately.
When network side is not in congestion state, similar with non-MTC terminal, also set up professional the connection immediately for the MTC terminal.
Below introduce the concrete configuration process of the DRX parameter of mentioning in the step 500, as shown in Figure 4, comprise the steps:
Step 510 will compare with the DRX cycle that has disposed for said portable terminal for said portable terminal DRX cycle to be disposed.
Wherein, DRX cycle said to be disposed is meant that expectation will be disposed the DRX parameter to said portable terminal in step 500; The said DRX cycle that has disposed was meant before execution in step 500, had disposed the DRX parameter to portable terminal.Because a portable terminal can be carried out a plurality of small data quantities business; Different small data quantity business has different small data packets transmission intercals; For example, the small data packets transmission intercal of professional A is 100s, and the small data packets transmission intercal of professional B is 150s; The small data packets transmission intercal of professional C is 200s, therefore might repeatedly dispose DRX dormancy duration for portable terminal.
Step 520 is if DRX cycle said to be disposed less than the said DRX cycle that has disposed, then is said mobile terminal configuration DRX cycle said to be disposed;
Making configuration give the DRX cycle of portable terminal through step shown in Figure 4 is the minimum value in a plurality of DRX cycles to be disposed, for example in last example, DRX dormancy duration is configured to 100s, thereby guarantees that the DRX dormancy duration that repeatedly disposes all can not cause time delay.
Fig. 5 is the structural representation of network equipment embodiment according to the invention; In order to realize said method; As shown in the figure; This network equipment comprises at least: type identification module 10, type enquiry module 20, policy lookup module 30, business are set up module 40 and parameter configuration module 50, and its operation principle is following:
When network equipment receives the business foundation request that comes from portable terminal, discern the type of service that said portable terminal will be set up by type identification module 10; When type identification module 10 identifies said type of service is small data quantity when professional, inquires about the employed OS Type of said portable terminal by type enquiry module 20 according to the IMEI of said portable terminal; In preset terminal information table, inquire about corresponding connection strategy information by policy lookup module 30 according to said OS Type and said type of service.
After this, setting up module 40 by business is that said portable terminal is set up professional the connection according to said connection strategy information, and said portable terminal is resided in the RRC connected state; And by the DRX parameter of parameter configuration module 50 for comprising in the said connection strategy information of said mobile terminal configuration.Wherein, said DRX parameter can comprise DRX cycle, DRX work duration and DRX dormancy duration.
Particularly, said network equipment can further include builds table module 60, and as shown in Figure 6 in order to make up above-mentioned terminal information table, its operation principle is following:
After moving multiple business respectively on the test terminal with different operating system type, by the data packet transmission characteristic information of the said multiple business of record cell 61 records; Set connection strategy information by setup unit 62 according to said data packet transmission characteristic information then; By associative cell 63 said connection strategy information is associated with said type of service and said OS Type at last and saves as said terminal information table.
Particularly, as shown in Figure 7, the operation principle that said business is set up module 40 is following:
Discern the type of said portable terminal earlier according to said IMEI by recognition unit 41; When said portable terminal is MTC terminal and network side is current when being in congestion state,, be that professional the connection set up in said MTC end delay by postponing to set up unit 42 according to preset delay time; When said portable terminal is MTC terminal and network side is current when not being in congestion state, set up professional the connection immediately for said MTC terminal by setting up unit 43 immediately; When said portable terminal is non-MTC terminal, set up professional the connection immediately for said non-MTC terminal by setting up unit 43 immediately.
Particularly, as shown in Figure 8, the operation principle of said parameter configuration module 50 is following:
To compare with the DRX cycle that has disposed for said portable terminal for said portable terminal DRX cycle to be disposed by comparing unit 51 earlier; When DRX cycle said to be disposed during, be said mobile terminal configuration DRX cycle said to be disposed by dispensing unit 52 less than the said DRX cycle that has disposed; Otherwise keep the said DRX cycle that has disposed for said portable terminal by dispensing unit 52.
The said equipment of present embodiment resides in the RRC connected state through moving the professional portable terminal of small data quantity, has avoided its frequent transitions between RRC Idle state and RRC connected state, thereby has alleviated signaling traffic load; And; The connection strategy information preset through basis is mobile terminal configuration corresponding D RX parameter; Therefore make the DRX parameter adapt to the small data quantity business more, improved time delay and energy consumption problem that the introducing because of the DRX technology causes, thereby better experience sense is provided for the user.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (9)
1. the small data quantity service optimization method in the LTE network is characterized in that, comprising:
Network equipment is discerned the type of service that said portable terminal will be set up when receiving the business foundation request that comes from portable terminal;
When said type of service is small data quantity when professional, inquire about the employed OS Type of said portable terminal according to the IMEI of said portable terminal;
According to said OS Type and said type of service corresponding connection strategy information of inquiry in preset terminal information table;
According to said connection strategy information is that said portable terminal is set up professional the connection, and said portable terminal is resided in the RRC connected state;
Be the DRX parameter that comprises in the said connection strategy information of said mobile terminal configuration.
2. method according to claim 1 is characterized in that, receives the said professional request of setting up at said network side and also comprises before:
On test terminal, move multiple business respectively, and write down the data packet transmission characteristic information of said multiple business with different operating system type;
Set connection strategy information according to said data packet transmission characteristic information;
Said connection strategy information is associated with said type of service and said OS Type saves as said terminal information table.
3. method according to claim 2; It is characterized in that; When said business was the small data quantity business, the data packet transmission characteristic information of the said multiple business of said record comprised: write down professional small data packets transmission intercal of various small data quantities and small data packets size;
Said DRX parameter comprises DRX cycle, DRX work duration and DRX dormancy duration; Saidly set connection strategy information according to said data packet transmission characteristic information and comprise: set said DRX cycle according to said small data packets transmission intercal; Set said DRX work duration according to the mean value of said small data packets size, set said DRX dormancy duration according to the maximum of said small data packets size.
4. method according to claim 1 is characterized in that, said is to comprise said professional connection of portable terminal foundation according to said connection strategy information:
Discern the type of said portable terminal according to said IMEI;
When said portable terminal is MTC terminal and network side is current when being in congestion state,, be that professional the connection set up in said MTC end delay according to preset delay time;
When said portable terminal is MTC terminal and network side is current when not being in congestion state, for setting up professional the connection immediately in said MTC terminal;
When said portable terminal is non-MTC terminal, for setting up professional the connection immediately in said non-MTC terminal.
5. method according to claim 1 is characterized in that, said DRX parameter comprises DRX cycle, for the said DRX parameter of said mobile terminal configuration comprises:
To compare with the DRX cycle that has disposed for said portable terminal for said portable terminal DRX cycle to be disposed;
If DRX cycle said to be disposed less than the said DRX cycle that has disposed, then is said mobile terminal configuration DRX cycle said to be disposed;
Otherwise for said portable terminal keeps the said DRX cycle that has disposed.
6. a network equipment is characterized in that, comprising:
The type identification module is used for when receiving the business foundation request that comes from portable terminal, discerning the type of service that said portable terminal will be set up;
The type enquiry module, be used for when the said type of service of type identification module be small data quantity when professional, inquire about the employed OS Type of said portable terminal according to the IMEI of said portable terminal;
The policy lookup module is used for inquiring about corresponding connection strategy information according to said OS Type and said type of service at preset terminal information table;
Business is set up module, and being used for according to said connection strategy information is that said portable terminal is set up professional the connection, and said portable terminal is resided in the RRC connected state;
Parameter configuration module is used to the DRX parameter that comprises in the said connection strategy information of said mobile terminal configuration.
7. equipment according to claim 6 is characterized in that, also comprises building the table module, comprising:
Record cell is used for after moving multiple business respectively on the test terminal with different operating system type, writing down the data packet transmission characteristic information of said multiple business;
Setup unit is used for setting connection strategy information according to said data packet transmission characteristic information;
Associative cell, being used for said connection strategy information is associated with said type of service and said OS Type saves as said terminal information table.
8. equipment according to claim 6 is characterized in that, said business is set up module and comprised:
Recognition unit is used for discerning according to said IMEI the type of said portable terminal;
Postpone to set up the unit, be used for when said portable terminal be MTC terminal and network side is current when being in congestion state, according to preset delay time, be that professional connection is set up in said MTC end delay;
Set up the unit immediately, be used for when said portable terminal be MTC terminal and network side is current when not being in congestion state, for setting up professional the connection immediately in said MTC terminal; And when said portable terminal is non-MTC terminal, for setting up professional the connection immediately in said non-MTC terminal.
9. equipment according to claim 6 is characterized in that, said DRX parameter comprises DRX cycle, and said parameter configuration module comprises:
Comparing unit is used for comparing with the DRX cycle that has disposed for said portable terminal for said portable terminal DRX cycle to be disposed;
Dispensing unit is used for being said mobile terminal configuration DRX cycle said to be disposed when DRX cycle said to be disposed during less than the said DRX cycle that has disposed; Otherwise for said portable terminal keeps the said DRX cycle that has disposed.
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