CN102752795B - Data communications method and communication service node - Google Patents
Data communications method and communication service node Download PDFInfo
- Publication number
- CN102752795B CN102752795B CN201110099409.XA CN201110099409A CN102752795B CN 102752795 B CN102752795 B CN 102752795B CN 201110099409 A CN201110099409 A CN 201110099409A CN 102752795 B CN102752795 B CN 102752795B
- Authority
- CN
- China
- Prior art keywords
- compression
- data
- data communication
- indication information
- message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006854 communication Effects 0.000 title claims abstract description 274
- 238000004891 communication Methods 0.000 title claims abstract description 258
- 238000000034 method Methods 0.000 title claims abstract description 88
- 238000007906 compression Methods 0.000 claims abstract description 196
- 230000006835 compression Effects 0.000 claims abstract description 194
- 238000013144 data compression Methods 0.000 claims abstract description 74
- 230000011664 signaling Effects 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 33
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 26
- 230000008569 process Effects 0.000 abstract description 29
- 230000004044 response Effects 0.000 description 19
- 230000004913 activation Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 15
- 101500021173 Aplysia californica Myomodulin-E Proteins 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 241000760358 Enodes Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of data communications method and communication service node.Wherein data communications method comprises: obtain the message and subscription data that are used for data communication, the described message for data communication and/or described subscription data comprise data communication indication information, according to the Compression Strategies of described data communication indication information determination data communication.Adopt data communications method provided by the invention and communication service node, when data communication, distinguish whether belonging to small data communication, if small data communication, then do not carry out data compression and/or head compression, therefore, it is possible to the process resource that minimizing data communication expends, and the real-time of data communication can be improved.
Description
Technical field
The embodiment of the present invention relates to mobile communication technology, particularly relates to a kind of data communications method and a kind of communication service node.
Background technology
At third generation partner program (Third Generation Partnership Project, be called for short 3GPP) in communication system, compression function is performed when data communication, as far as possible few Service Data Unit (Service Data Unit can be transmitted, be called for short SDU), thus optimize the use of wireless path capacity.
At present, at Internet of Things, machine type communication (Machine Type Communication, be called for short MTC) and the various communication situation such as smart mobile phone internet, applications in, there is a large amount of small data communication, wherein, subscriber equipment (User Equipment is called for short UE) only receives and dispatches small amount of data, and this small amount of data can comprise content-data and/or signaling data.Such as, in vending machine application, UE periodically reports sales data to control centre; In forest fire monitoring application, it is good to show UE operational excellence, communication link that UE periodically sends heartbeat message to Surveillance center.In many smart mobile phone internet, applications, applications client may have relatively large data communication, such as video media, also frequently may send heartbeat message or transmit content-data in a small amount, such as: weather application function carried out a Weather information every several hours synchronous, Ai Che secretary's application function is regularly from information such as traffic control central synchronous delay penalties, instant messaging application function just carries out a heartbeat message every a few minutes with server mutual, whether e-mail applications function regularly has new mail to server lookup, may only need a few crossed joint to hundreds of byte flow under such scene.
When carrying out the communication of above-mentioned small data, if execution compression function, then need identification data type, consult compression algorithm and relevant parameter with UE, carry out the related data that produces in compression and decompression calculating and store compressed process, therefore consume and much process resource, and data compression process introduces time delay.Because amount of communication data is little, the transmitted bit number saved of compression process is little, but but consumes and process resource in a large number.Further, if small data communications is signaling data, such as signaling or control message, then high to requirement of real-time, the time delay that compression function is introduced reduces real-time communication.
Summary of the invention
The embodiment of the present invention provides a kind of data communications method, in order to solve defect of the prior art, reduces the process resource of small data Communication cost, improves the real-time of small data communication.
The embodiment of the present invention also provides a kind of communication service node, in order to solve defect of the prior art, reduces the process resource of small data Communication cost, improves the real-time of small data communication.
The embodiment of the present invention provides a kind of data communications method, comprising:
Obtain the message and subscription data that are used for data communication, the described message for data communication and/or described subscription data comprise data communication indication information;
According to the Compression Strategies of described data communication indication information determination data communication.
The embodiment of the present invention also provides a kind of communication service node, comprising:
Acquisition module, for obtaining message for data communication and subscription data, the described message for data communication and/or described subscription data comprise data communication indication information;
Policy generation module, for the Compression Strategies according to described data communication indication information determination data communication.
As shown from the above technical solution, the embodiment of the present invention is by the Compression Strategies for the data communication indication information determination data communication in the message of data communication and/or subscription data.If comprise this indication information, then illustrate that this data communication process belongs to small data communication process, therefore determine that the Compression Strategies of data communication is not for carry out data compression and/or not carry out head compression.Because distinguish whether belonging to small data communication, data compression and/or head compression not being carried out to small data communication, therefore, it is possible to reduce the process resource that data communication expends, and the real-time of data communication can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the data communications method of the embodiment of the present invention one;
Fig. 2 is the signaling process figure of the data communications method of the embodiment of the present invention two;
Fig. 3 is the signaling process figure of the data communications method of the embodiment of the present invention three;
Fig. 4 is the signaling process figure of the data communications method of the embodiment of the present invention four;
Fig. 5 is the structural representation of the communication service node of the embodiment of the present invention five.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of the data communications method of the embodiment of the present invention one.As shown in Figure 1, the method comprises following process.
Step 101: obtain the message and subscription data that are used for data communication.
In this step, the above-mentioned message for data communication and/or subscription data comprise data communication indication information.Particularly, above-mentioned data communication indication information can comprise at least one item in following five:
1, the small data transmission indication information in subscription data;
Forbidding 2, in subscription data compresses indication information;
3, the forbidden data compression indication information in subscription data;
4, in subscription data forbid head compression indication information;
5, for the signaling data communication indication information in the message of data communication.
Step 102: according to the Compression Strategies of above-mentioned data communication indication information determination data communication.
In this step, according to the particular content of the data communication indication information received in step 101, the Compression Strategies of data communication is determined.Step 102 indication according to data communication indication information determination Compression Strategies, be also included within when determining Compression Strategies, except reference data communication indication information, also with reference to the situation of out of Memory.Particularly, can according to the Compression Strategies of above-mentioned data communication indication information determination data communication, can also on the basis of above-mentioned data communication indication information, in conjunction with the Compression Strategies of the local policy determination data communication of communication service node, wherein, local policy such as: force to carry out data compression.According to the small data transmission indication information in subscription data, determine that the Compression Strategies of data communication comprises: do not carry out data compression and/or do not carry out head compression.Compress indication information according to forbidding in subscription data, determine that the Compression Strategies of data communication comprises: do not carry out data compression and do not carry out head compression.According to the forbidden data compression indication information in subscription data, determine that the Compression Strategies of data communication comprises: do not carry out data compression.According in subscription data forbid head compression indication information, determine that the Compression Strategies of data communication comprises: do not carry out head compression.According to for the signaling data communication indication information in the message of data communication, determine that the Compression Strategies of data communication comprises: do not carry out data compression and/or do not carry out head compression.
In the embodiment of the present invention one, by the Compression Strategies for the data communication indication information determination data communication in the message of data communication and/or subscription data.If comprise this indication information, then illustrate that this data communication process belongs to small data communication process, therefore determine that the Compression Strategies of data communication is not for carry out data compression and/or not carry out head compression.If do not comprise this indication information, then illustrate that this data communication process does not belong to small data communication process, therefore adopt the method identical with available data communication process, carry out data compression and/or head compression.In the technical scheme of the embodiment of the present invention one, when data communication, distinguish whether belonging to small data communication, if small data communication, then do not carry out data compression and/or head compression, therefore, it is possible to the process resource that minimizing data communication expends, and the real-time of data communication can be improved.
Fig. 2 is the signaling process figure of the data communications method of the embodiment of the present invention two.In the embodiment of the present invention two, under the data communications method of the embodiment of the present invention one is applied to existing A/Gb pattern, be explained for data communication process under A/Gb pattern.Wherein, wireless access network is specially base station sub-system (Base Station Subsystem, be called for short BSS), BSS is also referred to as global system for mobile communications enhanced data rates global system for mobile communications evolution technology wireless access network (GSMEDGE Radio Access Network, be called for short GERAN), communication service node is specially service universal grouping wireless business supporting node (Servicing GPRS Support Node, be called for short SGSN), user data server is specially attaching position register (Home LocationRegister, be called for short HLR) or home subscriber server (Home Subscriber Server, be called for short HSS).Under A/Gb pattern, compression function is performed by SGSN and U E, comprises data compression and head compression.The present embodiment is determined whether to carry out data compression according to the message and/or subscription data that are used for data communication by SGSN, wherein, message for data communication can be specifically activation PDP Context request (the Activate PDP Context Request) message from UE, or Routing Area Update (the Track Area Update) message of SGSN-spanning from UE, or from forward pass code reassignment request (the Forward Relocation Request) message of other SGSN.In the present embodiment two, be only explained to activate PDP Context request message.As shown in Figure 2, the method comprises following process.
Step 201:HLR or HSS sends to SGSN and inserts subscription data message.
In this step, insert subscription data message and Insert Subscriber Data message, this Insert Subscriber Data message comprises one or more signing PDP Contexts, other subscription data such as mobile user comprehensive service digital net network number (Mobile SubscriberIntegrated Services Digital Network Number is called for short MSISDN), regional subscription data (Regional Subscription Data) can also be comprised.
In this step, to change with subscription data or U E carries out packet switching (PacketSwitching, be called for short PS) territory attachment (attach) as trigger condition, when above-mentioned trigger condition occurs, HLR or HSS can insert or revise the signing PDP Context of one or more user and operator by Insert Subscriber Data message request to SGSN.Wherein, can comprise in each signing PDP Context: PDP type, pdp address, APN, signing service quality profile (QoS Profile Subscribed).Further, for comprising in the signing PDP Context of small data communication: small data transmission indication information and/or forbidden data compression indication information.Particularly, small data transmission indication information can be Small Data TransmissionsFeature, is used to indicate this signing PDP Context and has small data transmission attribute; Forbidden data compression indication information can be Prohibit Data Compression, is used to indicate this signing PDP Context and forbids compressing user data.Small data transmission indication information and/or forbidden data compression indication information also may be included in other subscription data content except signing PDP Context.
Step 202:SGSN returns to HLR or HSS and inserts subscription data response message.
Step 203:UE sends to SGSN and activates PDP Context request message.
In this step, PDP Context request message and Activate PDP ContextRequest message is activated.
In this step, when UE determines communication or the communication of other small data will carrying out signaling message, UE sends Activate PDP Context Request message to SGSN.Wherein, the communication of signaling message such as: log in mobile QQ, synchronous QQ friend state information, log in Email, obtain new e-mail list etc.; Other small data communication is such as: periodically machine terminal status information reporting etc.Wherein, can comprise in this Activate PDP Context Request message: PDP type, pdp address, APN, service quality (Quality of Service, be called for short QoS) demand, further, can also comprise in this Activate PDP Context Request message: signaling instruction (Signalling Indication).SGSN is according to activating PDP Context request message and signing PDP context activation PDP Context.UE Signalling Indication indicates the communication that will carry out signaling data, and request network carries out QoS optimization for the PDP Context activated, the transmission of preferential guarantee signaling data.The communication of signaling data is also known as the communication of signaling traffic (SignallingTraffic).
Safety function operation is performed between step 204:UE and SGSN.
This step is optional step, can select after step 203 to perform this step, also directly can perform subsequent step.
Step 205:SGSN sends to BSS and calls tracking message.
In this step, tracking message and Invoke Trace message is called.
Step 206:SGSN sends to Gateway GPRS Support Node (Gateway GPRS SupportNode is called for short GGSN) and creates PDP Context request message.
In this step, PDP Context request message and Create PDP ContextRequest message is created.
In this step, can comprise in this Create PDP Context Request message: PDP type and APN.
Step 207:GGSN returns to SGSN and creates PDP Context response message.
In this step, PDP Context response message and Create PDP ContextResponse message is created.
BSS packet flow context flow process is performed between step 208:BSS and SGSN.
In this step, BSS packet flow context flow process and BSS packet flow contextprocedures.This step is optional step, can select to perform this step, also directly can perform subsequent step after step 207.
Step 209:SGSN is according to the Compression Strategies of data communication indication information determination data communication.
In this step, SGSN determines activation PDP Context, and according to the Compression Strategies of data communication indication information determination data communication.Particularly, SGSN can adopt at least one in following two kinds of methods to realize according to the process of the Compression Strategies of data communication indication information determination data communication.Forbidden data compression indication information or small data transmission indication information whether is comprised in the signing PDP Context received in method one: SGSN determining step 201.If so, then SGSN determines that the Compression Strategies of data communication is: do not carry out data compression.Method two: SGSN judge whether to carry in the activation PDP Context request message from U E signaling indicate and be set to be.If so, then SGSN determines that the Compression Strategies of data communication is: do not carry out data compression.Or SGSN adopts method one and method two to judge simultaneously, when the judged result of wherein at least one method is for being, SGSN determines that the Compression Strategies of data communication is: do not carry out data compression.The Compression Strategies determining data communication at SGSN, for after not carrying out data compression, in subsequent data communications process, can take one or more the combination in following operation:
The first operation: SGSN can not pass through Sub-Network Dependent Convergence Protocol (Sub NetworkDependent Convergence Protocol is called for short SNDCP) and initiate data compression negotiation to UE, namely can not consult compression algorithm and corresponding compression parameters;
The second operates: if UE initiatively initiates data compression negotiation by SNDCP to SGSN, then SGSN refuses the data compression negotiation that UE initiates;
The third operation: SGSN and UE consults not carry out data compression.
Step 210:SGSN sends to GGSN and upgrades PDP Context request message.
Upgrade PDP Context request message and Update PDP Context Request message.If quality of service attribute (QoS attributes) has been demoted in above-mentioned steps 207, then in step 210, SGSN can notify to GGSN by sending this Update PDP ContextRequest message to GGSN.GGSN should not attempt heavily consulting QoS attributes.
Step 211:GGSN returns to SGSN and upgrades PDP Context response message.
Step 212:SGSN returns activation PDP Context to UE and accepts message.
In this step, activate PDP Context and accept message and Activate PDP ContextAccept message.This Activate PDP Context Accept message comprise the PDP Context of activation as properties: PDP type, pdp address and QoS negotiation result.
In the embodiment of the present invention two, small data transmission indication information and/or forbidden data compression indication information is added in for the signing PDP Context of small data communication, and UE adds signaling instruction in the activation PDP Context request message sending to SGSN, SGSN compresses indication information according to small data transmission indication information and/or forbidden data and/or signaling instruction judges, if at least comprise one of above-mentioned indication information, then illustrate that this data communication process belongs to small data communication process, SGSN determines that the Compression Strategies of data communication is not for carry out data compression, thus data compression is not carried out in the process of data communication, therefore, it is possible to the process resource that minimizing data communication expends, and the real-time of data communication can be improved.
Further, when the data communications method of the embodiment of the present invention one is applied under existing A/Gb pattern, for SGSN, the invention described above embodiment two determines that the Compression Strategies of data communication is explained, in actual applications, can also be determined the Compression Strategies of this data communication by UE.When UE determines to carry out small data communication, UE initiates PDP context activation by activating PDP Context request message to SGSN, in follow-up data communication process, UE initiatively can not consult compression algorithm and corresponding compression parameters by SNDCP to SGSN, further, if SGSN initiatively initiates compression negotiation to UE, UE refuses the compression negotiation that SGSN initiates, or UE and SGSN consults not carry out data compression.
Fig. 3 is the signaling process figure of the data communications method of the embodiment of the present invention three.In the embodiment of the present invention three, under the data communications method of the embodiment of the present invention one is applied to existing Iu pattern, be explained for data communication process under Iu pattern.Wherein, wireless access network is specially GERAN or universal mobile telecommunications system land radio access web (UMTS Terrestrial Radio AccessNetwork, be called for short UTRAN), communication service node is specially SGSN, and user data server is specially HLR or HSS.Under Iu pattern, compression function is performed by RAN and UE, does not carry out data compression, only carries out head compression.The present embodiment is determined whether to carry out head compression according to the message and/or signing PDP Context that are used for data communication by SGSN, wherein, message for data communication can be specifically activation PDP Context request (the Activate PDP ContextRequest) message from UE, or the Routing Area Update message of SGSN-spanning from UE, or from forward pass code reassignment request (the Forward Relocation Request) message of other SGSN.In the present embodiment three, be only explained to activate PDP Context request message.As shown in Figure 3, the method comprises following process.
Step 301:HLR or HSS sends to SGSN and inserts subscription data message
In this step, insert subscription data message and Insert Subscriber Data message, this Insert Subscriber Data message comprises one or more signing PDP Contexts, can also comprise other subscription data such as MSISDN, regional subscription data (Regional Subscription Data).
In this step, to change using subscription data or UE carries out PS territory attachment (attach) as trigger condition, when above-mentioned trigger condition occurs, HLR or HSS can insert or revise the signing PDP Context of one or more user and operator by InsertSubscriber Data message request to SGSN.Wherein, can comprise in each signing PDP Context: PDP type, pdp address, APN, signing service quality profile (QoS ProfileSubscribed).Further, for comprising in the signing PDP Context of small data communication: small data transmission indication information and/or forbid compressing indication information.Particularly, small data transmission indication information can be Small Data Transmissions Feature, is used to indicate this signing PDP Context and has small data transmission attribute; Forbid that compression indication information can be ProhibitCompression, be used to indicate this signing PDP Context and head compression and data compression do not done to user data package.Small data transmission indication information and/or forbid compresses in other subscription data content that indication information also may be included in except signing PDP Context.
Step 302:SGSN returns to HLR or HSS and inserts subscription data response message.
Step 303:UE sends to SGSN and activates PDP Context request message.
In this step, PDP Context request message and Activate PDP ContextRequest message is activated.
Above-mentioned steps 302 to step 303 is identical to step 203 with the step 202 in the embodiment of the present invention two, does not repeat them here.
Step 304:SGSN sends to GGSN and creates PDP Context request message.
In this step, PDP Context request message and Create PDP ContextRequest message is created.
Step 305:GGSN returns to SGSN and creates PDP Context response message.
In this step, PDP Context response message and Create PDP ContextResponse message is created.
Above-mentioned steps 304 to step 305 is identical to step 207 with the step 206 in the embodiment of the present invention two, does not repeat them here.
Step 306:SGSN is according to the Compression Strategies of data communication indication information determination data communication.
In this step, SGSN determines activation PDP Context, and according to the Compression Strategies of data communication indication information determination data communication.Particularly, SGSN can adopt at least one in following two kinds of methods to realize according to the process of the Compression Strategies of data communication indication information determination data communication.Whether comprise in the signing PDP Context received in method one: SGSN determining step 301 and forbid compression indication information or small data transmission indication information.If so, then SGSN determines that the Compression Strategies of data communication is: do not carry out head compression.Method two: SGSN judge whether to carry in the activation PDP Context request message from UE signaling indicate and be set to be.If so, then SGSN determines that the Compression Strategies of data communication is: do not carry out head compression.Or SGSN adopts method one and method two to judge simultaneously, when the judged result of wherein at least one method is for being, SGSN determines that the Compression Strategies of data communication is: do not carry out head compression.It should be noted that, the Compression Strategies of SGSN established data communication, for not carry out head compression, is do not carry out the prerequisite of data compression based on Iu pattern itself.That is, SGSN compresses indication information according to above-mentioned forbidding, determine that the Compression Strategies of data communication is not for carry out data compression and not carry out head compression, under being now in Iu pattern, under this pattern, namely itself do not carry out data compression, so SGSN only determines that the Compression Strategies of data communication is not for carry out head compression.
The Compression Strategies determining data communication at SGSN is not for after carrying out head compression, and SGSN sends to wireless access network and forbids head compression indication information, specifically see following steps 307.
Step 307:SGSN sends RAB (Radio Access Bearer, RAB) assignment request message to RAN.
In this step, RAN can be GERAN or UTRANSGSN.By sending RAB assignment request message to GERAN or UTRAN, initiating RAB and assigning flow process, thus setting up RAB.This RAB assignment request message is expanded.Comprise in this RAB assignment request message: forbid head compression indication information.This forbids that head compression indication information can be included in user plane information (UserPlane Information), or, can be included in other RAB parameter.
Step 308:RAN and UE sets up radio bearer by wireless heterogeneous networks (Radio Resource Control is called for short RRC) agreement.
In this step, RAN can be GERAN or UTRANSGSN.GERAN or UTRAN and UE sets up radio bearer by RRC agreement.
In this step, head compression indication information is forbidden if comprised in this RAB assignment request message in step 307, then GERAN or UTRAN does not initiatively consult head compression to UE in the process setting up radio bearer, and/or, if UE initiatively initiates the negotiation of head compression to GERAN or UTRAN, then GERAN or UTRAN refuses the negotiation of the head compression that UE initiates, and/or GERAN or UTRAN and UE consults not carry out head compression.
Step 309:RAN returns RAB to SGSN and assigns response message.
Step 310:SGSN sends to RAN and calls tracking message.
In this step, tracking message and Invoke Trace message is called.
Step 311:SGSN sends to GGSN and upgrades PDP Context request message.
Upgrade PDP Context request message, i.e. Update PDP Context Request message.If QoS attributes has been demoted in above-mentioned steps 306 to step 308, then in step 311, SGSN can notify to GGSN by sending this Update PDP Context Request message to GGSN.This step is identical with the step 210 of the embodiment of the present invention two, does not repeat them here.
Step 312:GGSN returns to SGSN and upgrades PDP Context response message.
Step 313:SGSN returns activation PDP Context to UE and accepts message.
Activate PDP Context and accept message, i.e. Activate PDP Context Accept message.
Above-mentioned steps 312 to step 313 is identical to step 212 with the step 211 of the embodiment of the present invention two, does not repeat them here.
In the embodiment of the present invention three, add small data transmission indication information and/or forbid compression indication information in for the signing PDP Context of small data communication, and UE adds signaling instruction in the activation PDP Context request message sending to SGSN, SGSN is according to small data transmission indication information and/or forbid that compression indication information and/or signaling instruction judge, if at least comprise one of above-mentioned indication information, then illustrate that this data communication process belongs to small data communication process, SGSN determines that the Compression Strategies of data communication is not for carry out head compression, thus SGSN forbids head compression indication information to wireless access network transmission, to make not carry out data head compression between wireless access network and UE, therefore, it is possible to the process resource that minimizing data communication expends, and the real-time of data communication can be improved.
In the invention described above embodiment two and the embodiment of the present invention three, after the success of activation PDP Context, UE carries out small data communication.Above-mentioned PDP Context is main PDP Context, when UE need carry out the communication of mass data, such as UE need carry out file transfer or larger image data amount on give the correct time, UE can activate one or more SECONDARY PDP CONTEXT, for the communication of mass data.UE does not carry SignallingIndication information in the request message activating SECONDARY PDP CONTEXT.
Fig. 4 is the signaling process figure of the data communications method of the embodiment of the present invention four.In the embodiment of the present invention four, the data communications method of setting up of the embodiment of the present invention one is applied to grouping system attachment (Evolved Packet System attach, be called for short EPS attach) of existing evolution and the process setting up default bearing (Default Bearer) is that example is explained.Wherein, wireless access network is specially UTRAN (the Evolved UTRAN of evolution, be called for short E-UTRAN), E-UTRAN is by base station (the eNode B of one or more evolution, be called for short eNB) composition, communication service node is specially target mobile management entity (Mobility Management Entity is called for short MME), also comprise former MME or SGSN in system, user data server is specially main HSS.When UE accesses EPS by E-UTRAN, compression function is performed by E-URTAN and UE, does not carry out data compression, only carries out head compression.The present embodiment is judged whether to carry out head compression according to the message and/or subscription data that are used for data communication by target MME, wherein, message for data communication is specially PDN connection request message, or tracing section updating message, or from forward pass code reassignment request (the Forward Relocation Request) message of former MME or SGSN.As shown in Figure 4, the method comprises following process.
Step 401:UE initiates Attach Request message to eNB.
In this step, Attach Request message and Attach Request message.This AttachRequest message comprises PDN connection request message, sets up a PDN connect for request.APN (Access Point Name is called for short APN) and PDN type information can be comprised in PDN connection request message.If PDN connection request message does not comprise APN, then MME uses the APN of acquiescence.PDN type comprises: Internet protocol the 4th edition (being called for short IPv4), Internet protocol the 6th edition (being called for short IPv6), Internet protocol the 4th edition the 6th edition (being called for short IPv4v6) etc.
Step 402:eNB sends to target MME and forwards Attach Request message.
After step 402, step 403 to step 408 is the alternative step performed, and can perform step 403 after step 402, also directly can perform step 409 after step 402.Wherein, step 403 to the concrete manner of execution of step 408 to be assigned with existing EPS and to set up the process that default value carries identical.
Step 403: target MME obtains IMSI from former MME or SGSN.
In this step, target MME may judge to there is former MME or SGSN, and by sending identification request (Identification Request) message to former MME or SGSN, international mobile subscriber identity (International MobileSubscriber Identification Number is called for short IMSI) is asked to former MME or SGSN.Former MME or SGSN returns identification response (Identification Response) message to target MM E, sends IMSI to target MM E.
Step 404: target MME obtains IMSI from UE.
In this step, if UE is to former MME or SGSN and target MME nonrecognition, then target MME sends identification request (Identity Request) message, to ask IMSI to UE.UE returns identification response (Identity Response) message to MME, sends IMSI to target MME.
Step 405: target MME, UE and HSS carry out certification and safety function.
Step 406: target MME obtains International Mobile Station Equipment Identification (InternationalMobile Equipment Identity is called for short IMEI) from UE.
Step 407: target MME obtains Encryption Options from UE.
Step 408: target MME deletes the bearer context activated.
In this step, if there is the bearer context activated at target MME, then target MME deletes these bearer contexts activated.
Step 409: target MME sends to HSS and upgrades location request message.
In this step, location request message and Update Location Request message is upgraded.
Step 410:HSS and former MME or SGSN carries out position delete procedure.
In this step, first, HSS sends position to former MME/SGSN and deletes (CancelLocation) message.Then, if there is the bearer context of the activation of UE at former MME or SGSN, then former MME or SGSN deletes the bearer context of this activation.
Step 411:HSS returns to target MM E and upgrades position response message.
In this step, position response message and Update Location Acknowledge message is upgraded.Update Location Acknowledge message comprises: subscription data, comprise one or more PDN in this subscription data to contract context, other subscription data such as MSISDN, regional subscription data (Regional Subscription Data) can also be comprised.Each PDN context of contracting comprises: PDN type and APN.Further, each PDP contracts and also may to comprise small data transmission indication information in context with expanding and or two of forbidding in head compression indication information.Wherein, above-mentioned small data transmission indication information can be Small Data TransmissionsFeature, shows that this PD N context of contracting has small data transmission attribute; Above-mentionedly forbid that head compression indication information can for Prohibit Header Compression, show that this PDN context of contracting does not carry out head compression.
Step 412: target MM E and gateway (Serving GW is called for short SGW) perform and create default bearing process.
In this step, target MME accepts PDN connection request and determines to create default bearing.First, target MME selects a SGW also for default bearing distributes an EPS bearing identification, sends create carrying request (Create Session Request) message, to create this default bearing to this SGW.Then, this SGW returns to send to target MME and creates carrying response (CreateSession Response) message, creates default bearing and completes.
Step 413: target MME is according to the Compression Strategies of data communication indication information determination data communication.
In this step, target MME can adopt at least one in following two kinds of methods to realize according to the process of the Compression Strategies of data communication indication information determination data communication.Method one: whether the PDN obtained in target MME determining step 411 contracts comprises small data transmission indication information in context or forbid head compression indication information.If so, then target MME determines that the Compression Strategies of data communication is: do not carry out head compression.Method two: target MME judges whether comprise signaling indication information in PDN connection request message.If so, then target MME determines that the Compression Strategies of data communication is: do not carry out head compression.Or target MME adopts method one and method two to judge simultaneously, when the judged result of wherein at least one method is for being, target MME determines that the Compression Strategies of data communication is: do not carry out head compression.It should be noted that, the Compression Strategies of MME established data communication, for not carry out head compression, itself does not carry out the prerequisite of data compression when being and adopting E-UTRAN to access EPS based on UE.
The Compression Strategies determining data communication at target MME, for after not carrying out head compression, can send to wireless access network and forbid head compression indication information.In the present embodiment, head compression indication information is forbidden, specifically see following steps 414 for target MME to wireless access network transmission.
Step 414: target MME sends initial context to eNB and sets up request message.
In this step, initial context sets up request message and Initial Context SetupRequest message.This Initial Context Setup Request message comprises attachment and accepts (Attach Accept) message and forbid head compression indication information.Wherein, activation default EPS bearing context request (Activate default EPS bearercontext request) message is comprised in this Attach Accept message.This is forbidden that head compression indication information is used to indicate and is not carried out a squeeze operation.
Step 415:eNB and UE carries out wireless heterogeneous networks (Radio Resource Control, RRC) and connects.
In this step, eNB sends RRC connection to UE and reshuffles (RRC ConnectionReconfiguration) message, comprises above-mentioned Attach Accept message and head compression indication information in this message.If target MME sends forbid that head compression indication information is to eNB, then eNB does not initiatively initiate head compression negotiation to UE, and/or, if UE initiatively initiates head compression negotiation to eNB, then eNB refuses the head compression negotiation that UE initiates, and/or eNB and UE consults not carry out head compression.
Step 416:eNB returns initial context to target MME and sets up response message.
In this step, initial context sets up response message and Initial Context SetupResponse message.
Step 417:UE sends attachment by eNB to target MME and completes message.
In this step, message and Attach Complete message has been adhered to.UE sends directly transmission (Direct Transfer) message and, to eNB, comprises Attach Complete message in this message.Comprise in Attach Complete message and activate default EPS bearing context acceptance (Activatedefault EPS bearer context accept) message.
In the embodiment of the present invention four, after PDN has connected, UE has carried out small data communication.When UE need carry out the communication of mass data, such as UE need carry out file transfer or larger image data amount on give the correct time, can be that UE activates one or more special EPS carrying, for the communication of mass data.UE does not carry Signalling Indication information in the request message activating special EPS carrying.
In the embodiment of the present invention four, in the PDN for small data communication contracts context, add small data transmission indication information and/or forbid head compression indication information, target MME is according to small data transmission indication information and/or forbid that head compression indication information judges, if at least comprise one of above-mentioned indication information, then illustrate that this data communication process belongs to small data communication process, target MME sends to eNB and forbids a compressing mark, to make not carry out head compression between eNB and UE, therefore, it is possible to the process resource that minimizing data communication expends, and the real-time of data communication can be improved.
Fig. 5 is the structural representation of the communication service node of the embodiment of the present invention five.As shown in Figure 5, this communication service node at least comprises: acquisition module 51 and policy generation module 52.
Wherein, acquisition module 51 is for obtaining message for data communication and subscription data.Wherein, data communication indication information is comprised for the message of data communication and/or described subscription data.Policy generation module 52 is for the Compression Strategies according to above-mentioned data communication indication information determination data communication.
On the basis of technique scheme, acquisition module 51 activates packet data protocol PDP Context request message specifically for obtaining, or Routing Area Update message, or forward code reassignment request message, or packet data network PDN connection request message, or tracing section updating message.
On the basis of technique scheme, acquisition module 51 is specifically for obtaining the message and subscription data that are used for data communication, the above-mentioned message for data communication and/or above-mentioned subscription data comprise data communication indication information, and described data communication indication information at least comprises one of following information: forbidding in the small data transmission indication information in subscription data, subscription data compress in indication information, forbidden data compression indication information in subscription data, subscription data forbid head compression indication information and for the signaling indication information in the message of data communication.
According to above-mentioned information, policy generation module 52 is specifically for one of following function: policy generation module 52, specifically for according to the small data transmission indication information in above-mentioned subscription data, determines that the Compression Strategies of data communication is not for carry out data compression and/or not carry out head compression.Policy generation module 52, specifically for compressing indication information according to forbidding in above-mentioned subscription data, determines that the Compression Strategies of data communication is not for carry out data compression and not carry out head compression.Policy generation module 52, specifically for according to the forbidden data compression indication information in above-mentioned subscription data, determines that the Compression Strategies of data communication is not for carry out data compression.Policy generation module 52 specifically for according in above-mentioned subscription data forbid head compression indication information, determine that the Compression Strategies of data communication is not for carry out head compression.With, policy generation module 52 specifically for according to above-mentioned for the signaling indication information in the message of data communication, determine that the Compression Strategies of data communication is not for carry out data compression and/or not carry out head compression.
On the basis of technique scheme, can also comprise in above-mentioned communication service node: control module 53.When control module 53 does not carry out data compression for comprising in the Compression Strategies of above-mentioned data communication, complete the combination of one or more of following function, comprise: do not initiate data compression negotiation to UE, and/or, when receiving the data compression negotiation from UE, refuse this data compression negotiation, and/or, consult not carry out data compression with UE.In this scheme, this communication service node can be SGSN.
And, control module 53 can also be used for the Compression Strategies of above-mentioned data communication comprise do not carry out head compression time, complete the combination of one or more of following function, comprising: do not initiate head compression negotiation to UE, and/or, when receiving the head compression negotiation from UE, refuse this compression negotiation, and/or, consult not carry out head compression with UE, and/or, send to RAN and forbid head compression indication information.In this scheme, this communication service node is likely SGSN, is also likely MME.
In the embodiment of the present invention five, the acquisition module of communication service node obtains the data communication indication information in the message and subscription data being used for data communication, and policy generation module is according to the Compression Strategies of above-mentioned indication information determination data communication.When comprising above-mentioned indication information, determine that the Compression Strategies of data communication is not for carry out data compression and/or not carry out head compression.Communication service node, by judging small data communication, eliminates the compression process of small data communication, therefore, it is possible to the process resource that minimizing data communication expends, and can improve the real-time of data communication.
It should be noted that: for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a data communications method, is characterized in that, comprising:
Obtain the message and subscription data that are used for data communication, the described message for data communication and/or described subscription data comprise data communication indication information;
According to the Compression Strategies of described data communication indication information determination data communication,
Wherein, described data communication indication information at least comprises one of following information:
Small data transmission indication information in described subscription data;
Forbidding in described subscription data compresses indication information;
Forbidden data compression indication information in described subscription data;
In described subscription data forbid head compression indication information; With
Described for the signaling indication information in the message of data communication;
Wherein, the step of the described Compression Strategies according to described data communication indication information determination data communication at least one of comprises the steps:
According to the small data transmission indication information in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression and/or not carry out head compression;
Compress indication information according to forbidding in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression and not carry out head compression;
According to the forbidden data compression indication information in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression;
According in described subscription data forbid head compression indication information, determine that the Compression Strategies of described data communication is not for carry out head compression; With
According to described for the signaling indication information in the message of data communication, determine that the Compression Strategies of described data communication is not for carry out data compression and/or not carry out head compression.
2. method according to claim 1, is characterized in that,
The described message for data communication comprises: activate packet data protocol PDP Context request message, or Routing Area Update message, or forward code reassignment request message, or packet data network PDN connection request message, or tracing section updating message.
3. method according to claim 1 and 2, is characterized in that, after the described Compression Strategies according to described data communication indication information determination data communication, the method also comprises:
When the Compression Strategies of described data communication comprise do not carry out data compression time, do not initiate data compression negotiation to user equipment (UE), and/or, when receiving the data compression negotiation from described UE, refuse this data compression negotiation, and/or, consult not carry out data compression with UE.
4. method according to claim 1 and 2, is characterized in that, after the described Compression Strategies according to described data communication indication information determination data communication, the method also comprises:
When the Compression Strategies of described data communication comprise do not carry out head compression time, head compression negotiation is not initiated to user equipment (UE), and/or, when receiving the head compression negotiation from described UE, refuse this compression negotiation, and/or, consult not carry out head compression with UE, and/or, send to wireless access network RAN and forbid head compression indication information.
5. method according to claim 4, is characterized in that, described to wireless access network RAN send forbid head compression indication information after, the method also comprises:
Described RAN does not initiate head compression negotiation to UE, and/or described RAN, when receiving the head compression negotiation from described UE, refuses this compression negotiation, and/or described RAN and UE consults not carry out head compression.
6. a communication service node, is characterized in that, comprising:
Acquisition module, for obtaining message for data communication and subscription data, the described message for data communication and/or described subscription data comprise data communication indication information;
Policy generation module, for the Compression Strategies according to described data communication indication information determination data communication,
Wherein, described acquisition module is specifically for obtaining the message and subscription data that are used for data communication, the described message for data communication and/or described subscription data comprise data communication indication information, described data communication indication information at least comprises one of following information: the small data transmission indication information in described subscription data, forbidding in described subscription data compresses indication information, forbidden data compression indication information in described subscription data, in described subscription data forbid head compression indication information, with described for the signaling indication information in the message of data communication,
Described policy generation module is specifically for one of following function:
According to the small data transmission indication information in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression and/or not carry out head compression;
Compress indication information according to forbidding in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression and not carry out head compression;
According to the forbidden data compression indication information in described subscription data, determine that the Compression Strategies of described data communication is not for carry out data compression;
According in described subscription data forbid head compression indication information, determine that the Compression Strategies of described data communication is not for carry out head compression;
With, according to described for the signaling indication information in the message of data communication, determine that the Compression Strategies of described data communication is not for carry out data compression and/or not carry out head compression.
7. communication service node according to claim 6, is characterized in that,
Described acquisition module activates packet data protocol PDP Context request message specifically for obtaining, or Routing Area Update message, or forward code reassignment request message, or packet data network PDN connection request message, or tracing section updating message.
8. the communication service node according to claim 6 or 7, is characterized in that,
Described communication service node is service universal grouping wireless business supporting node SGSN;
Described communication service node also comprises: control module, when not carrying out data compression for comprising in the Compression Strategies of described data communication, data compression negotiation is not initiated to user equipment (UE), and/or, when receiving the data compression negotiation from described UE, refuse this data compression negotiation, and/or, consult not carry out data compression with UE.
9. the communication service node according to claim 6 or 7, is characterized in that,
Described communication service node also comprises: control module, when not carrying out head compression for comprising in the Compression Strategies of described data communication, head compression negotiation is not initiated to user equipment (UE), and/or, when receiving the head compression negotiation from described UE, refuse this compression negotiation, and/or, consult not carry out head compression with UE, and/or, send to wireless access network RAN and forbid head compression indication information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110099409.XA CN102752795B (en) | 2011-04-20 | 2011-04-20 | Data communications method and communication service node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110099409.XA CN102752795B (en) | 2011-04-20 | 2011-04-20 | Data communications method and communication service node |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102752795A CN102752795A (en) | 2012-10-24 |
| CN102752795B true CN102752795B (en) | 2015-09-30 |
Family
ID=47032645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110099409.XA Expired - Fee Related CN102752795B (en) | 2011-04-20 | 2011-04-20 | Data communications method and communication service node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102752795B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583829A (en) * | 2020-12-14 | 2021-03-30 | 上海英方软件股份有限公司 | Method and device for self-adaptive multi-level end-to-end transmission of market information stream |
| EP4107907A4 (en) * | 2020-12-23 | 2023-11-29 | ZTE Corporation | A method for small data transmission |
| CN113657554B (en) * | 2021-09-02 | 2023-06-27 | 青岛海尔乐信云科技有限公司 | Intelligent customer service big data service platform based on Internet of things |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355554A (en) * | 2008-08-12 | 2009-01-28 | 华为技术有限公司 | Method and apparatus for negotiating data compression algorithm through Cx or Sh interface |
| CN101969666A (en) * | 2009-07-27 | 2011-02-09 | 华为技术有限公司 | Channel resource distribution processing method and device and communication system |
-
2011
- 2011-04-20 CN CN201110099409.XA patent/CN102752795B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355554A (en) * | 2008-08-12 | 2009-01-28 | 华为技术有限公司 | Method and apparatus for negotiating data compression algorithm through Cx or Sh interface |
| CN101969666A (en) * | 2009-07-27 | 2011-02-09 | 华为技术有限公司 | Channel resource distribution processing method and device and communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102752795A (en) | 2012-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108632915B (en) | Method, device and equipment for moving terminal between 4G network and 5G network | |
| CN101605353B (en) | Data communication method, communication system and relevant device | |
| EP3198941B1 (en) | Smooth ue transfer within an evolved packet core | |
| EP2768251B1 (en) | Data transmission method, mobility management entity and mobile terminal | |
| US8867471B2 (en) | Method, device, and system for reporting radio access network element information | |
| EP2760244A1 (en) | Dynamic optimization of radio network resources based on user equipment type smartphone | |
| CN103650623A (en) | Transmission of short packet data messages via a signaling radio bearer | |
| CN102333386B (en) | Terminal attachment method and equipment | |
| JP2010521940A (en) | Mobility management (MM) and session management (SM) for SAE / LTE | |
| CN110392400B (en) | Communication method and related equipment | |
| US20170150536A1 (en) | Communication of Information Between Devices In Communication Networks | |
| CN101621788A (en) | Method and device for transmitting EPS Bearer QoS parameters | |
| KR101682925B1 (en) | Wireless communication system and method for establishing connection between node in communication system and node in data service network | |
| US11412564B2 (en) | Method and apparatus for providing next generation network service in heterogeneous network environment | |
| CN103068068B (en) | Process contextual method and apparatus | |
| CN103338487A (en) | Method and equipment for intersystem reselection or switching processing | |
| CN101646157A (en) | Method for managing pool information and equipment thereof | |
| CN101330751A (en) | Method for releasing source network resource, gateway entity and network appliance | |
| CN102752795B (en) | Data communications method and communication service node | |
| CN107926066B (en) | Service flow transmission method and device | |
| EP2699041A1 (en) | Equipment triggering method and network elememnt equipment | |
| CN101047957B (en) | Method for quickly activating moving platform | |
| CN104410998A (en) | CSFB indicating identification sending method, MME and MSC | |
| CN102369700B (en) | Method, system and gateway equipment for service initiation | |
| CN101568097B (en) | Method, system and device for updating tracking area of user terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171026 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: Huawei terminal (Dongguan) Co.,Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171130 Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee before: Huawei terminal (Dongguan) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180211 Address after: California, USA Patentee after: Tanous Co. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: HUAWEI DEVICE Co.,Ltd. Effective date of registration: 20180211 Address after: California, USA Patentee after: Global innovation polymerization LLC Address before: California, USA Patentee before: Tanous Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |