CN101272621A - User's set ability information transmission system, user's set and network appliance - Google Patents
User's set ability information transmission system, user's set and network appliance Download PDFInfo
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- CN101272621A CN101272621A CNA2008100833999A CN200810083399A CN101272621A CN 101272621 A CN101272621 A CN 101272621A CN A2008100833999 A CNA2008100833999 A CN A2008100833999A CN 200810083399 A CN200810083399 A CN 200810083399A CN 101272621 A CN101272621 A CN 101272621A
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Abstract
The invention discloses a method for transmitting capability information of user equipment, user equipment and a network device. A node of an access network sends the RANAP information of the application part of the wireless access network to a node of a core network; the information carries the changed UE capacity parameter. The capacity parameter of the UE related to the access network and the capacity parameter of the UE related to the core network can be all stored in the node of the core network, or respectively stored in the node of the access network and the node of the core network; when the UE is in a connecting state or idle state, the changed UE capacity parameter can be transmitted in time to the node of the core network or the node of the access network. The method can improve the flexibility for transmitting the UE capacity parameter and cause the network side to acquire the UE capacity parameter in time.
Description
Technical field
The present invention relates to communication technical field, be specifically related to capability information of user facility transmission method, subscriber equipment and the network equipment.
Background technology
At UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) in, UE (User Equipment, subscriber equipment) ability information mainly comprises: the UE ability parameter relevant with RAN and with the relevant UE ability parameter of CN (Core Network, core net).The UE ability parameter relevant with RAN mainly comprises: PDCP (Packet Data Convergence Protocol, grouping bag convergence protocol) ability, RLC (Radio Link Control, wireless connection control) ability, transmission channel ability, physical channel ability, UE support multisystem ability, security capabilities, measurement capability, UE position capability.The UE ability parameter relevant with CN mainly comprises: PS territory switching capability, MS (Mobile Station, mobile radio station) wireless access capability, MS network capabilities etc. between system.
At present UE ability parameter transmission method is among the UMTS: UE will with RNC (Radio NetworkController, radio network controller) relevant ability information all is stored in the RNC node, as RRC (Radio Resource Control, Radio Resource control) successfully set up after, UE is carried at RRC with the UE ability parameter and connects to set up to finish in (RRC Connection Setup Complete) message and transfer to RNC.When UE is under connection (Active) state, after the UE ability parameter changed, UE initiatively reported the UE ability parameter after the variation.When UTRAN inquiry UE ability parameter, UE reports its ability information.
In the LTE system, the UE ability parameter comprises: UE ability parameter relevant with RAN and the UE ability parameter relevant with CN.A kind of method is: the UE ability parameter all is stored in the CN node, and UE ability parameter transmission method comprises:
In adhering in (Attach) process of UE, UE with all UE ability parameters with a Non-Access Stratum (Non-Access Stratum, NAS) message mode is carried in the Attach message, transfers to CN, and CN obtains UE ability parameter and storage from the Attach message that receives.When the UE ability change and UE when idle condition (Idle) is transformed into the Active state, UE ability parameter after UE will change is carried in service request (Service Request) message and transfers to CN, CN updated stored UE ability parameter, and the message by the S1 interface, be wireless access network applying portion (Radio Access NetworkApplication Part, RANAP) the UE ability parameter relevant with RAN is sent to eNB (evolvedNodeB, evolution base station).
The equal underaction of UE ability parameter transmission method in above-mentioned UMTS, the LTE system and can't make network side in time get access to the UE ability parameter.
Summary of the invention
Embodiment of the present invention provides capability information of user facility transmission method, subscriber equipment and device, has improved UE ability parameter transmission flexibility, has improved performance of handoffs.
Embodiment of the present invention provides a kind of capability information of user facility transmission method, and described method comprises: access network node sends RANAP message to core net node, and this message is carried the UE ability parameter after the variation.
The another kind of capability information of user facility transmission method that embodiment of the present invention provides, described method comprises: UE is carried at the UE ability information in the radio resource control RRC connection request message, and transfers to network side.
The another kind of capability information of user facility transmission method that embodiment of the present invention provides, UE is under the connection status, and described method comprises: UE judges whether the UE ability parameter changes; UE ability parameter after UE will change sends to access network node.
The another kind of capability information of user facility transmission method that embodiment of the present invention provides, UE is under the idle condition, and described method comprises: UE is carried at the UE ability parameter in the tracing positional district TA updating message, and transfers to core net node; Described UE ability parameter comprises the UE ability parameter relevant with core net after the variation.
A kind of subscriber equipment that embodiment of the present invention provides, described subscriber equipment comprises:
Judge module: be used for being under the connection status and after the UE ability parameter changes judging UE the output change notification; Message transmission module: be used for after receiving the notice of judge module, the relevant UE ability parameter with Access Network after UE ability parameter relevant with core net after changing and/or the variation is transferred to network side.
The another kind of subscriber equipment that embodiment of the present invention provides, described subscriber equipment comprises:
Judge module: be used for being under the idle condition and after the UE ability parameter changes judging UE the output change notification; Message constructing module: be used for after receiving the notice of judge module, the relevant UE ability parameter with Access Network after UE ability parameter relevant with core net after changing and/or the variation is carried in the TA updating message; Transport module: be used for described TA updating message is transferred to network side.
A kind of network equipment that embodiment of the present invention provides, the described network equipment is an access network node, the described network equipment comprises: judge module: be used for judging that the UE ability parameter that the UE transmission comes includes the UE ability parameter relevant with core net, notification transmission module: transport module: be used for after receiving the notice of judge module, the UE ability parameter relevant with core net in the described message transferred to core net node.
Description by technique scheme as can be known, the UE ability parameter in the embodiment of the present invention can comprise two parts, two parts UE ability parameter can be stored in access network node and CN node respectively, also can all be stored in the CN node; Embodiment of the present invention can be passed through RRC connection request transmission of messages to network side with the UE ability parameter; And, when UE is in connection status or idle condition, also the UE ability parameter after changing directly can be transferred to access network node or CN node; And the UE ability parameter after access network node is received the variation that UE sends, can carry out corresponding operating, utilize the S1 interface message between access network node and core net node then, the UE ability parameter after will changing as RANAP message is transmitted to core net node.Embodiment of the present invention can make the target side of switching get access to the UE ability parameter, makes the target side can be with reference to the UE ability parameter when switching; Thereby improved the UE ability parameter transmission flexibility, make network side can in time get access to the UE ability parameter, improved wireless access performance and performance of handoffs.
Description of drawings
Fig. 1 is the UE ability parameter transfer process figure one of embodiment of the present invention;
Fig. 2 is the UE ability parameter transfer process figure two of embodiment of the present invention;
Fig. 3 is the transmission method flow chart 3 that the UE ability parameter of embodiment of the present invention upgrades;
Fig. 4 is the transmission method flow chart four that the UE ability parameter of embodiment of the present invention upgrades;
Fig. 5 is the transmission method flow chart five that the UE ability parameter of embodiment of the present invention upgrades;
Fig. 6 is the transmission method flow chart six that the UE ability parameter of embodiment of the present invention upgrades;
Fig. 7 is the transmission method flow chart seven that the UE ability parameter of embodiment of the present invention upgrades;
Fig. 8 is the transmission method flow chart eight that the UE ability parameter of embodiment of the present invention upgrades.
Fig. 9 is the transmission of UE ability parameter and the changing method flow chart nine of embodiment of the present invention;
Figure 10 is the transmission of UE ability parameter and the changing method flow chart ten of embodiment of the present invention;
Figure 11 is the transmission of UE ability parameter and the changing method flow chart 11 of embodiment of the present invention;
Figure 12 is the transmission of UE ability parameter and the changing method flow chart 12 of embodiment of the present invention;
Figure 13 is the UE ability parameter transmission method flow chart 13 of embodiment of the present invention;
Figure 14 is the transmission of UE ability parameter and the changing method flow chart 14 of embodiment of the present invention;
Figure 15 is the UE ability parameter transmission method flow chart 15 of embodiment of the present invention.
Embodiment
UE ability parameter in the embodiment of the present invention is divided into two parts, and a part is the UE ability parameter relevant with Access Network, and another part is the UE ability parameter relevant with CN.Abbreviate the UE ability parameter relevant as the UE ability parameter relevant below with RAN with Access Network.Embodiment of the present invention can be stored in the above-mentioned UE ability parameter relevant with CN the CN node, will be stored in access network node by relevant UE ability parameter with RAN, be that the CN side is only stored the UE ability parameter relevant with CN, the UE ability parameter relevant with RAN only is stored in the access network node; Embodiment of the present invention also can all be stored in above-mentioned two parts UE ability parameter in the CN node.
UE ability parameter relevant with RAN in the embodiment of the present invention can comprise following parameter: PDCP ability (as supporting compressing head type etc.), the RLC ability is (as maximum RLC AM window size, maximum number AM entity etc.), the transmission channel ability is (as the maximum transmitted channel, receive position etc.), the RF ability is (as the bandwidth of supporting, the UE power stage, transmitting-receiving frequency etc.), the physical channel ability is (as the coding of maximum number, SF, receive position etc.), UE supports the ability of a plurality of systems, the fail safe ability is (as supporting integrality, the algorithm of encrypting etc.), measurement capability (is measured frequently as overloading, GSM is needed compact model etc.), UE position capability etc.The UE ability parameter relevant with CN can comprise following parameter: PS territory switching capability, MS wireless access capability (as the wireless access technology of supporting, the security algorithm of support etc.), MS network capabilities (coding of support etc.) or MBMS (Multimedia Broadcast Multicast Service, multicast service) ability etc. between system.The UE ability parameter can be determined according to the actual conditions of network.
During UE transmission UE ability parameter, the UE ability parameter two parts of the UE ability parameter can be divided into the UE ability parameter relevant with CN, being correlated with RAN transmit.UE can transmit these two parts UE ability parameter by parameter bag 1, parameter bag 2, the parameter bag can be with general information unit (Information Element, IE) mode is carried in the message and transmits, and the parameter bag also can be carried in the message in the mode of transparent vessel and transmit.And UE can be carried at the UE ability parameter relevant with CN transmission in the NAS signaling of message, relevant UE ability parameter can be carried in the rrc layer signaling and transmit with RAN; UE also can relevant UE ability parameter all be carried in the rrc layer signaling and transfers to access network node with the UE ability parameter relevant with CN with RAN, will the UE ability parameter relevant be carried at interface message such as S1 interface message between access network node and the CN node by access network node then, promptly transfer to the CN node in the RANAP message with CN.The rrc layer signaling here is the signaling that is used for Radio Resource control.The NAS layer signaling here is the signaling that is used for non-access transmission.
UE can set up article one message of RRC, promptly the transmission UE ability parameter relevant in the RRC connection request message with CN, reach and UE ability parameter that RAN is correlated with; UE can transmit the UE ability parameter relevant with CN in the Attach process; UE can transmit the parameter relevant with RAN in the service request process; UE can transmit in the service request process in the parameter relevant with RAN, the UE ability parameter relevant with CN that transmission has changed; UE also can transmit the UE ability parameter that has changed under the Active state; UE can also transmit the UE ability parameter relevant with CN that has changed under idle condition.
Below in conjunction with accompanying drawing the multiple UE ability parameter transmission method that embodiment of the present invention provides is elaborated.
Carry out in the Attach process at UE, the transmission course of UE ability parameter as shown in Figure 1.
Among Fig. 1, when UE carries out the Attach process, UE is carried at the UE ability parameter relevant with CN in the NAS layer signaling Attach Request message, and by eNB Attach Request message to be sent to the CN node be MME.MME obtains the UE ability parameter relevant with CN from Attach Request message, and storage.
Initiate in the business procedure at UE, the transmission course of UE ability parameter as shown in Figure 2.
Among Fig. 2, UE initiates professional, UE is carried at the UE ability parameter relevant with RAN in the rrc layer signaling of RRCConnection Setup message, UE sends RRC Connection Setup message, and UE sends to MME with the Service Request message in the RRC CONNECTION REQUEST message by eNB.ENB obtains the UE ability parameter relevant with RAN from the rrc layer signaling of RRC Connection Setup message, and storage.Need to prove that Service Request message is NAS layer signaling, can include NAS layer signaling and rrc layer signaling in the RRC Connection Setup message.
In above-mentioned description at Fig. 2, when UE need send Service Request message, UE can also be carried at the UE ability parameter relevant with CN in the Service Request message and send together.The specific implementation process can judge whether the UE ability parameter relevant with CN change has taken place for: UE, change has taken place if judge the UE ability parameter relevant with CN, then can simultaneously the UE ability parameter relevant with CN be carried in the Service Request message, as parameter bag 1, the UE ability parameter relevant with RAN is placed in the RRC Connection Setup message as parameter bag 2 and sends together as the UE ability parameter relevant with CN; If UE judges the UE ability parameter relevant with CN and does not change, can only carry parameter bag 2 in the then above-mentioned RRC Connection Setup message, do not carry parameter bag 1.After eNB receives RRC Connection Setup message, from message, parse the content of rrc layer signaling, then, stored parameter bag 2, promptly store the UE ability parameter relevant with RAN, and continue to transmit Service Request message to the MME of CN side, after MME receives Service Request message, carry parameter bag 1 if judge, from message, parse the parameter bag 1 in the NAS layer signaling so, and the storage UE ability parameter relevant with CN, do not carry parameter bag 1 if judge, then the explanation UE ability parameter relevant with CN do not change.
When UE is in the Active state, if change has taken place in the UE ability parameter relevant with RAN, then need to notify access network node, if change has taken place in the UE ability parameter relevant with CN, then need to notify CN node, as notifying access network node and CN node by UE Capability Information message.Concrete UE ability parameter transmission method as shown in Figure 3, Figure 4.
UE Capability Information message among Fig. 3 includes RRC signaling and NAS signaling.
Among Fig. 3, at first, UE judges whether the UE ability parameter relevant with CN changes.If judge the UE ability parameter relevant with CN variation has taken place, then the UE ability parameter that UE will be relevant with CN is carried in the NAS layer signaling as parameter bag 1, and the flag F lag IE in the message is set, and need be forwarded to CN to represent this message; As when the UE ability parameter relevant with CN variation having taken place, then flag F lag IE is set to 1, otherwise flag F lag IE is set to 0.UE continues to judge whether the UE ability parameter relevant with RAN changes, if UE judges the UE ability parameter relevant with RAN variation has taken place, then the UE ability parameter that UE will be relevant with RAN is carried in the rrc layer signaling of UE CapabilityInformation message as parameter bag 2.
Behind the parameter bag that carries in being provided with UE Capability Information message, UE sends UECapability Information message.
After eNB receives UE Capability Information message, at first judge in the rrc layer signaling of UE CapabilityInformation message and whether carry parameter bag 2, if carry parameter bag 2, then eNB parses the parameter bag 2 in the rrc layer signaling from UE Capability Information message, and stores; After eNB has stored parameter bag 2 or judge and do not carry parameter bag 2, then continue to judge the flag F lag IE in the UE Capability Information message, if the value of Flag is 1, then eNB will carry the UE Capability Information forwards of parameter bag 1 to the MME among the CN; If judging the value of Flag is 0, then eNB has not just needed to transmit UE Capability Information message.
In above-mentioned description at Fig. 3, also can not carry flag F lag IE in the UE Capability Information message, then eNB can be by judging that whether having carried parameter bag 1 or additive method in the message determines whether to need to continue to transmit UE Capability Information message to MME, and the specific implementation process is not described in detail at this.
UE Capability Information message among Fig. 4 includes the rrc layer signaling, does not comprise the NAS signaling.
Among Fig. 4, at first, UE judges whether the UE ability parameter relevant with CN variation has taken place, if variation has taken place the UE ability parameter relevant with CN, then UE ability parameter that will be relevant with CN is carried in the rrc layer signaling of UE Capability Information message as parameter bag 1.Parameter bag 1 can be carried in the rrc layer signaling in general IE mode or in the transparent vessel mode.
UE continues to judge whether the UE ability parameter relevant with RAN variation has taken place, if judge the UE ability parameter relevant with RAN variation has taken place, then UE ability parameter that will be relevant with RAN is carried in the rrc layer signaling of UE Capability Information message as parameter bag 2.
After eNB receives UE Capability Information message, at first judge in the rrc layer signaling of UE CapabilityInformation message and whether carry parameter bag 2, if carry parameter bag 2, then eNB parses the parameter bag 2 in the rrc layer signaling from UE Capability Information message, and stores; ENB continues to judge in the UE Capability Information message whether carry parameter bag 1, carry parameter bag 1 if judge, then eNB with parameter bag 1 by the interface message between itself and the CN, be RANAP message, parameter bag 1 transferred to MME among the CN as the UE Capability to CN message of S1 interface; If judge in the UE Capability Information message and do not carry parameter bag 1, after then eNB parses parameter bag 2 in the rrc layer signaling from UE Capability Information message, just do not needed again by S1 interface message retransmitting paramater bag 1.
When UE was in idle condition (Idle), change had taken place in the UE ability parameter relevant with CN, then needs to notify the CN node, as notifying CN node by periodicity TA (Tracking Area, tracing positional district) updating message.UE is under the idle condition UE ability parameter transmission method as shown in Figure 5.
Among Fig. 5, after the UE ability parameter changed, the UE ability parameter relevant with CN that UE will change was carried at the MME that transfers to the CN side in the TA updating message.MME parses the UE ability parameter relevant with CN from the TA updating message, and storage.
After UE is in idle condition and UE ability parameter and has taken place to change, embodiment of the present invention can not transmitted the UE ability parameter relevant with CN by the TA updating message yet, but when UE is transferred to the Active attitude, utilize the method for describing among above-mentioned Fig. 2 again, the UE ability parameter after changing is transferred to access network node and CN node.
Embodiment of the present invention also can all be stored in the UE ability parameter in the CN node.When the UE ability parameter all is stored under the CN node state, when UE was in Active, the transmission method of UE ability parameter as shown in Figure 6.
Among Fig. 6, UE reports the message (such as UE CapabilityInformation, the UE ability reports) of UE ability parameter to be made up of NAS layer signaling and rrc layer signaling to network.UE ability parameter that UE will be relevant with RAN and the UE ability parameter of being correlated with CN are as two parameter bags, wherein, the UE ability parameter bag relevant with CN is carried in the NAS Signaling Layer, and the UE ability parameter relevant with RAN made parameter bag 2 and be carried in the rrc layer signaling.The message that UE will carry two parameter bags for example UE Capability Information message is sent to eNB.
After eNB receives UE Capability Information message, judge whether UE CapabilityInformation message carries parameter bag 2, if judge in the UE Capability Information message and carry parameter bag 2, then eNB parses parameter bag 2 from UE Capability Information message, and carries out corresponding operating according to the content of parameter bag 2.Then, eNB passes through S1 interface message such as UE Capability Information to CN transmission of messages to MME together with parameter 1 and parameter 2.Parameter bag 1 is at the NAS layer.Wherein eNB can make parameter bag 2 transparent vessel or general IE.
In addition, to report the message of UE ability parameter to network also can be a rrc layer signaling message to UE.After eNB receives the rrc layer signaling message, parse the ability parameter relevant, handle accordingly, and relevant UE ability parameter sends to MME by the S1 interface message with the UE ability parameter relevant with RAN in the message and with CN with RAN.Equally, eNB can make the UE ability parameter relevant with RAN a transparent vessel or general IE and be carried in the S1 interface message and send to MME, be that access network node can send RANAP message to core net node, and the UE ability parameter after in RANAP message, carrying variation, this UE ability parameter can be UE ability parameter relevant with core net and/or the UE ability parameter relevant with Access Network.
All be stored in when the UE ability parameter under the situation of CN node, when UE was in Active, the transmission method of the another kind of UE ability parameter that embodiment of the present invention provides as shown in Figure 7.
Among Fig. 7, UE is carried at all UE ability parameters in the NAS layer signaling of UE Capability Information message, and wherein relevant with RAN can make a transparent vessel.UE transfers to UECapabilty Information message the MME of CN side by eNB.MME receives the corresponding UE ability parameter that upgrades its storage after this message.
If MME judges that whether carrying parameter bag 2 in the transparent vessel of the UE Capability Information message receive judges and carry parameter bag 2 in the message, MME transfers to eNB by the S1 interface message with the UE ability parameter relevant with RAN; ENB parses the UE ability parameter relevant with RAN from the S1 interface message that receives, and carries out corresponding operating according to the UE ability parameter relevant with RAN that parses; If MME judges in the UE Capability Information message and does not carry parameter bag 2, show that then the UE ability parameter relevant with RAN do not change, no longer send the S1 interface message to eNB.
All be stored in when the UE ability parameter under the situation of CN node, when UE is in idle condition,, then need notice access network node and CN node equally, as notifying CN node by periodicity TA updating message if change has taken place the UE ability parameter.UE is under the idle condition UE ability parameter transmission method as shown in Figure 8.
Among Fig. 8, after the UE ability parameter changes, the UE ability parameter relevant that UE will change with CN and with RAN relevant UE ability parameter is carried at the MME that transfers to the CN side in the TA updating message.MME parses UE ability parameter relevant with CN and the UE ability parameter relevant with RAN from the TA updating message, and storage.
Relate between different MME switch or system between in the handoff procedure, the source end of switching can transfer to the UE ability parameter target side of switching, the UE ability parameter relevant with RAN can transmit with the mode of transparent vessel.The message that carries relevant UE ability parameter with RAN can transfer to the core net node of source end by access network node, and the UE ability parameter relevant with RAN that will be received by the core net node of source end and the relevant UE ability parameter with CN of its storage transfer to the core net node of target side.The core net node of source end also can relevant UE ability parameter transfers to the core net node of target side with the UE ability parameter relevant with RAN of its storage with CN.The core net node of target side is behind the UE ability parameter that receives the UE ability parameter relevant with RAN and be correlated with CN, can preserve the UE ability parameter relevant with RAN and with CN relevant UE ability parameter, and will the UE ability parameter relevant transfer to the access network node of target side with RAN.The core net node of target side also can be behind the UE ability parameter that receives the UE ability parameter relevant with RAN and be correlated with CN, can only preserve the UE ability parameter relevant with CN, the access network node that then will the UE ability parameter relevant with RAN transfers to target side is preserved the UE ability parameter relevant with RAN by the access network node of target side.Source termination network access node also can directly transfer to the UE ability parameter access network node of target side.
Being changed to routine multiple UE ability parameter transmission method and the handoff procedure that embodiment of the present invention is provided with the LTE intra-system handoff below is elaborated.
Method one, between source base station and target BS, exist X2 interface, cell update to cause to switch and the base station in need to store the UE ability parameter relevant with RAN, the UE ability parameter is carried under the situation about transmitting in the cell update request message, UE ability parameter transmission method and changing method flow process.
In the method one shown in Figure 9, switching is owing to cell update causes, as causing Radio Link Failure to cause cell update owing to poor signal, and then switches.
Radio Link Failure at step 1, UE.
Step 2, UE are carried at the UE ability parameter in cell update request (the Cell Update Request) message, and Cell Update Request message is sent to target eNB.Need to prove that the UE ability parameter that carries in the CellUpdate Request message can be the partial parameters in the UE ability parameter, also can be the whole parameters in the UE ability parameter.Embodiment of the present invention can increase UE ability cell in Cell UpdateRequest message, to carry the UE ability parameter.When the partial parameters that carried in the Cell Update Request message in the UE ability parameter, other parameter can transfer to target eNB again after switching is finished.
The UE ability parameter is obtained and preserved to step 3, target eNB from Cell Update Request message, the flow process of this UE ability parameter transmission method finishes.Target eNB is utilized predefined handoff algorithms, is carried out preliminary switch decision with reference to parameters such as UE ability parameters, to determine whether allowing switching, if target eNB is determined to allow to switch, then arrives step 4; If target eNB is determined not allow to switch, then the flow process of this changing method finishes.
Step 4, target eNB send Handover Request message to source eNB.
Step 5, source eNB return Handover Response message to target eNB after receiving Handover Request message.
Step 6, target eNB are carried out further switch decision according to the parameter of carrying in the Handover Response message, switch to determine whether to admit, and switch if determine to admit, to step 7; If determine not admit switching, the flow process of this changing method finishes.
Step 7, target eNB send Cell Update RESPONSE message to UE, and UE switches with notice.
(Evolved Pocket Core EPC) sends Path Switch message, carries out down link with notice EPC and switches to Evolved Packet Core for step 8, target eNB.Can not have sequencing between step 7 and the step 8 in fact, and, can be earlier in the flow process of method one execution in step 8 not.If in the flow process of method one, carried out step 8, then in follow-up flow process, can not need execution in step 10, promptly after having carried out step 9, directly arrive step 11.
Step 9, UE send Handover Confirm message to target eNB after receiving Cell Update Response message, switch with notification target eNB and finish.Of particular note, if target eNB does not have the EPC in CN to send Path Switch message in above-mentioned flow process, then after step 7 is complete, directly arrive step 9.
Step 10, the target eNB EPC in CN sends Path Switch message, carries out down link with notice EPC and switches.
Step 11, EPC carry out down link and switch after receiving Path Switch message, and send Release Resource message to source eNB.Source eNB discharges the resource relevant with this UE in Radio Resource and the chain of command after receiving Release Resource message.The flow process of this changing method finishes.If in the flow process of method three, do not have step 11, after then the EPC of target eNB in CN sends PathSwitch message, to step 12.
Step 12, EPC send Handover Complete Ack message to target eNB.
Step 13, target eNB send Release Resource message to source eNB after receiving Handover Complete Ack message.Source eNB discharges the resource relevant with this UE in Radio Resource and the chain of command after receiving Release Resource message.The flow process of this changing method finishes.
Method two, between source base station and target BS, exist X2 interface, cell update to cause to switch and the base station in need to store the UE ability parameter relevant with RAN, the UE ability parameter is carried under the situation about transmitting in the switching response message, UE ability parameter transmission method and changing method flow process are as shown in Figure 10.
In the method two shown in Figure 10, switching is owing to cell update causes, as causing Radio Link Failure to cause cell update owing to poor signal, and then switches.
Radio Link Failure at step 1, UE.
Step 2, UE send Cell Update Request message to target eNB.
Step 3, target eNB utilize predefined handoff algorithms to carry out preliminary switch decision, and to determine whether allowing switching, if target eNB is determined to allow to switch, then target eNB sends Handover Request message to source eNB; If target eNB is determined not allow to switch, then the flow process of this changing method finishes.
Step 4, source eNB are carried at the UE ability parameter in the Handover Response message after receiving Handover Request message, and Handover Response message is sent to target eNB.Embodiment of the present invention can increase UE ability cell in Handover Response message, to carry the UE ability parameter.Need to prove that the UE ability parameter that carries in the Handover Response message can be the partial parameters in the UE ability parameter, also can be the whole parameters in the UE ability parameter.When the partial parameters that carried in the Handover Response message in the UE ability parameter, other parameter can transfer to target eNB again after switching is finished.
The UE ability parameter is obtained and preserved to step 5, target eNB from Handover Response message, the flow process of this UE ability parameter transmission method finishes.Target eNB according to carry in the Handover Response message UE ability parameter, and other parameter carry out further switch decision, admit to switch determining whether, switch if determine to admit, to step 6; If determine not admit switching, the flow process of this changing method finishes.
Step 6, target eNB send Cell Update Response message to UE, and UE switches with notice.
Step 7, the target eNB EPC in CN sends Path Switch message, carries out down link with notice EPC and switches.Can not have sequencing between step 6 and the step 7 in fact, and, can be earlier in the flow process of method two execution in step 7 not.If in the flow process of method two, carried out step 7, then in follow-up flow process, can not need execution in step 9, promptly after having carried out step 8, directly arrive step 10.
Step 8, UE send Handover Confirm message to target eNB after receiving Cell Update Response message, switch with notification target eNB and finish.Of particular note, if target eNB does not have the EPC in CN to send Path Switch message in above-mentioned flow process, then after step 6 is complete, directly arrive step 8.
Step 9, the target eNB EPC in CN sends Path Switch message, carries out down link with notice EPC and switches.
Step 10, EPC carry out down link and switch after receiving Path Switch message, and send Release Resource message to source eNB.Source eNB discharges the resource relevant with this UE in Radio Resource and the chain of command after receiving Release Resource message.The flow process of this changing method finishes.If in the flow process of method two, do not have step 10, after then the EPC of target eNB in CN sends PathSwitch message, to step 11.
Step 11, EPC send Handover Complete Ack message to target eNB.
Step 12, target eNB send Release Resource message to source eNB after receiving Handover Complete Ack message.Source eNB discharges the resource relevant with this UE in Radio Resource and the chain of command after receiving Release Resource message.The flow process of this changing method finishes.
In above-mentioned description at Fig. 4, target eNB is after having obtained the UE ability parameter from the message that receives, can also carry out the corresponding radio resource bookkeeping according to the UE ability parameter, the radio resource management operations here such as above-mentioned at the operation in Fig. 1 description is not described in detail at this.
Method three, between source base station and target BS, do not exist X2 interface, cell update to cause to switch and the base station in need to store under the situation that the UE ability parameter relevant with RAN, UE ability parameter transmit by repositioning process, UE ability parameter transmission method and changing method flow process are as shown in Figure 11.
Among Figure 11, at the Radio Link Failure of step 1, UE.
Step 2, UE send Cell Update Request message to target eNB.
Carry out repositioning process between the EPC among step 3, source eNB, target eNB and the CN.In repositioning process, source eNB is carried at the UE ability parameter in the message of repositioning process, and this message is transferred to EPC by the S1 interface.EPC is carried at the UE ability parameter in the message that receives in the message of repositioning process, and this message is transferred to target eNB by the S1 interface.Embodiment of the present invention can increase UE ability cell in the message of repositioning process, to carry the UE ability parameter.Embodiment of the present invention also can be placed on the UE ability parameter in the transparent vessel to be transmitted with the message of repositioning process.Need to prove that the UE ability parameter that carries in the message of repositioning process can be the partial parameters in the UE ability parameter, also can be the whole parameters in the UE ability parameter.During partial parameters in having carried the UE ability parameter in the message of repositioning process, other parameter can transfer to target eNB again after switching is finished.After repositioning process finishes, to step 4.
Step 4, target eNB send Cell Update RESPONSE message to UE, and UE switches with notice.
Step 5, UE send Handover Confirm message to target eNB after receiving Cell Update Response message, switch with notification target eNB and finish.
Step 6, EPC send Release Resource message to source eNB.Source eNB discharges the resource relevant with this UE in Radio Resource and the chain of command after receiving ReleaseResource message.The flow process of this changing method finishes.
Method four, in switching relevant with MME and core net take place, not have to store and the situation of the UE ability parameter that RAN is correlated with under, UE ability parameter transmission method and changing method flow process are shown in accompanying drawing 12, accompanying drawing 13.
Among Figure 12, Figure 13, source eNB transfers to source MME with the UE ability parameter relevant with RAN, will the UE ability parameter relevant be carried in the Handover Require message other message such as (or) Relocation message as source eNB, and Handover Require message (or other message) is transferred to source MME with RAN.After source MME receives Handover Require message (or other message), do not keep the UE ability parameter relevant in the Handover Require message (or other message), and the UE ability parameter of being correlated with CN of the UE ability parameter relevant with RAN in the Handover Require message (or other message) and its storage is transferred to target MME by the Sx interface message with RAN.Target MME is after receiving the next two parts parameter of source MME transmission, store the UE ability parameter relevant, and the UE ability parameter relevant with RAN transferred to target eNB by S1 interface message such as Relocation message or Handover Request message or other message etc. with CN.Target eNB receives and preserves the UE ability parameter relevant with RAN that carries in the message, and switches processing such as admittance according to the UE ability parameter relevant with RAN.
Above-mentioned at Figure 12,13 description in, the UE ability parameter relevant with RAN can be carried in the message with IE mode or transparent vessel mode.When the UE ability parameter relevant with RAN was carried in the message in the transparent vessel mode, " terminal " can be indifferent to content in the container as source MME, target MME etc., formed transparent transmission.Can accelerate the transmission speed of UE ability parameter by the mode of transparent vessel, and then can improve switch speed, in addition, the protocol version that between the node of transmission UE ability parameter, uses not simultaneously, the use of transparent vessel can be avoided the influence of protocol version to the transmission of UE ability parameter.
Method five, stored in switching relevant with MME and MME take place under the situation of UE ability parameter of being correlated with RAN and the ue ability parameter of being correlated with CN, UE ability parameter transmission method and changing method flow process such as accompanying drawing 14 are shown in the accompanying drawing 15.
Among Figure 14, Figure 15, message such as Relocation message or HandoverRequire message or other the message informing source MME of source eNB by the S1 interface need switch.Source MME is after receiving the notice that need switch, the UE ability parameter relevant with its storage with RAN, and the UE ability parameter relevant with CN is carried in the Handover Require message (or other message) together, and Handover Require (or other message) transferred to target MME by the Sx interface message, target MME is after receiving the next two parts parameter of source MME transmission, store UE ability parameter relevant and the UE ability parameter relevant with RAN with CN, and by S1 interface message such as Relocation message, or Handover Request message, or other message etc. transfers to target eNB with the UE ability parameter relevant with RAN.Target eNB is obtained the UE ability parameter relevant with RAN from the message that receives, and switches processing such as admittance according to the UE ability parameter relevant with RAN.
The process that switches between system also can adopt the UE ability parameter transmission method shown in Figure 14,15.
Above-mentioned at Figure 14,15 description in, the UE ability parameter relevant with RAN can be carried in the message with general IE mode or transparent vessel mode, transfers to MME.
Below the subscriber equipment that embodiment of the present invention is provided, and the network equipment describe.
Embodiment of the present invention provides a kind of subscriber equipment, comprising: judge module, message constructing module and transport module.
Judge module is used for when judging subscriber equipment and begin to set up RRC, as initiating professional as UE and when needing to send RRC connection request message, and the notification message constructing module.
The message constructing module is used for after receiving the notice of judge module, UE ability parameter that will be relevant with RAN, and the UE ability parameter of being correlated with CN be carried at and set up in the RRC connection request message; As the UE ability parameter relevant with Access Network is carried in the rrc layer signaling of RRC Connection Setup message.
The message constructing module is when learning that according to the notice of judge module the UE needs send RRC ConnectionSetup message, the message constructing module can also be carried at the UE ability parameter relevant with CN in the Service Request message of RRCConnection Setup message, sends together; Change having taken place as the message constructing module judging the UE ability parameter relevant with CN, then can simultaneously the UE ability parameter relevant with CN be carried in the Service Request message.
Transport module is used for described RRC connection request transmission of messages to network side.
Embodiment of the present invention provides another kind of subscriber equipment, comprising: judge module, message transmission module.
Judge module is used for being under the Active state and the UE ability parameter relevant with RAN taken place to change or with CN after relevant UE ability parameter changes, the output change notification judging UE.
Message transmission module, be used for after receiving the notice of judge module, if variation has taken place in the UE ability parameter relevant with CN, the UE ability parameter relevant with CN after then will changing is carried in the message, if variation has taken place the UE ability parameter relevant with RAN, the UE ability parameter relevant with RAN after then will changing is carried in the message.Message here such as UE Capability Information message etc.UE Capability Information message can include RRC signaling and NAS signaling, and UE CapabilityInformation message also can include the rrc layer signaling and not comprise the NAS signaling.
Include under RRC signaling and the NAS signaling situation in UE Capability Information message, variation has taken place judging the UE ability parameter relevant with CN in message transmission module, then the UE ability parameter that message transmission module will be relevant with CN is carried in the NAS layer signaling of UE Capability Information message as parameter bag 1, and flag F lag IE in the message is set, need be forwarded to CN to represent this message; Variation has taken place judging the UE ability parameter relevant with RAN in message transmission module, then the UE ability parameter that message transmission module will be relevant with RAN is carried in the rrc layer signaling of UE CapabilityInformation message as parameter bag 2, and with this transmission of messages to network side.
Include the rrc layer signaling and do not comprise under the situation of NAS signaling in UE Capability Information message, variation has taken place judging the UE ability parameter relevant with CN in message transmission module, and then the UE ability parameter that message transmission module will be relevant with CN is carried in the rrc layer signaling of UE CapabilityInformation message as parameter bag 1.Parameter bag 1 can be carried in the rrc layer signaling in general IE mode or in the transparent vessel mode; Variation has taken place judging the UE ability parameter relevant with RAN in message transmission module, then the UE ability parameter that message transmission module will be relevant with RAN is carried in the rrc layer signaling of UE Capability Information message as parameter bag 2, and with this transmission of messages to network side.
The embodiment of the invention provides another kind of subscriber equipment, comprising: judge module, message constructing module and transport module.
Judge module is mainly used in and is under the idle condition and after the UE ability parameter relevant with CN etc. change judging UE, the notification message constructing module.
The message constructing module is mainly used in after receiving the notice of judge module, and the relevant UE ability parameter with Access Network after UE ability parameter relevant with core net after changing and/or the variation is carried in the message message here such as TA updating message etc.
Transport module is mainly used in the transmission of messages after above-mentioned each message constructing module structure to network side, transfers to network side as TA updating message etc.
The network equipment that embodiment of the present invention provides can be arranged at the Access Network side, and promptly this network equipment is an access network node.Access network node can comprise: judge module and transport module.
Judge module is used for judging whether the UE ability parameter that the UE transmission comes includes the UE ability parameter relevant with CN, if having, and notification transmission module then; After in judging RRCConnection Setup message, including NAS layer signaling as judge module, the notification transmission module; For another example judge module adopt flag F lag IE, whether carry mode such as parameter bag 1 judge carry the UE ability parameter relevant in the UE Capability Information message with CN after, the notification transmission module.Judge module can also transmit under connection status when carrying promptly relevant with the RAN UE ability parameter of parameter bag 2 in the UE Capability Information message of coming judging UE, the notice access network node, make access network node can from message, obtain the UE ability parameter relevant, and operate accordingly according to the UE ability parameter relevant with RAN with RAN.
Transport module is used for after receiving the notice of judge module, and the UE ability parameter relevant with CN transferred to the CN node.Transport module also can transfer to the CN node with the UE ability parameter relevant with CN with the relevant UE ability parameter of RAN.When the UE ability parameter relevant with CN was carried at the NAS layer signaling of the next message of UE transmission, transport module can directly transfer to the CN node with NAS layer signaling; When the UE ability parameter relevant with CN was carried at the rrc layer signaling of the next message of UE transmission, transport module need be carried at the UE ability parameter relevant with CN in the rrc layer signaling in the NAS layer signaling and transfer to the CN node.
For example the UE ability parameter that transport module will be relevant with CN, and with the relevant UE ability parameter of RAN by S1 interface message such as UE Capability Information to CN transmission of messages to MME, transport module can be carried at the UE ability parameter relevant with CN the NAS layer, and will make a transparent vessel or general IE with the UE ability parameter that RAN is correlated with.
For example transport module will carry the MME of NAS layer signaling UE Capability Information transmission of messages to the CN side again.Carry all UE ability parameters in the NAS layer signaling, and the UE ability parameter relevant with RAN is made into a transparent vessel.
Transport module also needs above-mentioned message is transferred to source end CN node by the source access network node, the UE ability parameter is transferred to the target CN node such as the target MME of switching by source end CN node.
From the description of above-mentioned execution mode as can be seen, UE ability parameter in the embodiment of the present invention can comprise two parts, two parts UE ability parameter can be stored in access network node and CN node respectively, also can all be stored in the CN node, when core net is switched between switching or CN in carrying out CN so, access network node or CN node can provide the ability parameter of UE as required to the destination node that switches, make switching controls more effective; Embodiment of the present invention can be carried out in the professional initiation process at UE, and the UE ability parameter is passed through RRC connection request transmission of messages to network side; And, when UE is in connection status or idle condition, also the UE ability parameter after changing can be transferred to access network node or CN node; And the UE ability parameter after access network node is received the variation that UE sends, can carry out corresponding operating, utilize the S1 interface message between access network node and core net node then, the UE ability parameter after will changing as RANAP message is transmitted to core net node.Embodiment of the present invention can make the target side of switching get access to the UE ability parameter, makes the target side can be with reference to the UE ability parameter when switching; Thereby improved the UE ability parameter transmission flexibility, make network side can in time get access to the UE ability parameter, improved wireless access performance and performance of handoffs.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (12)
1, a kind of capability information of user facility transmission method is characterized in that UE is in connection status, and this method comprises:
Access network node sends wireless access network applying portion RANAP message to core net node, and this message is carried the user equipment (UE) ability parameter after the variation.
2, the method for claim 1 is characterized in that, described method also comprises:
UE ability parameter after UE will change sends to access network node, and described UE ability parameter comprises UE ability parameter relevant with core net and/or the UE ability parameter relevant with Access Network.
3, a kind of capability information of user facility transmission method is characterized in that, described method comprises:
UE is carried at the UE ability parameter in the radio resource control RRC connection request message, and transfers to network side.
4, method as claimed in claim 3 is characterized in that, described method is specially:
In the UE attaching process, UE will the UE ability parameter relevant with CN be carried at and adheres in the request, and adheres to request and transfer to network side described;
Initiate in the business procedure at UE, UE is carried at the UE ability parameter relevant with Access Network in the described RRC connection request message, perhaps the relevant UE ability parameter with CN after UE ability parameter that UE will be relevant with Access Network and the variation is carried in the non-access NAS layer signaling of described RRC connection request message, and with described RRC connection request transmission of messages to access network node, described access network node transfers to core net node with described NAS layer signaling.
5, a kind of capability information of user facility transmission method is characterized in that, described UE is in connection status, and described method comprises:
UE judges whether the UE ability parameter changes;
UE ability parameter after UE will change sends to access network node.
6, method as claimed in claim 5 is characterized in that, described method also comprises:
When comprising the UE ability parameter relevant with core net in the described UE ability parameter, described access network node sends to core net node with the described UE ability parameter relevant with core net.
7, a kind of capability information of user facility transmission method is characterized in that, described UE is in idle condition, and described method comprises:
UE is carried at the UE ability parameter in the tracing positional district TA updating message, and transfers to core net node;
Described UE ability parameter comprises the UE ability parameter relevant with core net after the variation.
8, method as claimed in claim 7 is characterized in that, described UE ability parameter also comprises the UE ability parameter relevant with Access Network after the variation.
9, a kind of subscriber equipment is characterized in that, described subscriber equipment comprises:
Judge module: be used for when judging UE and set up RRC and connect output notice;
Message constructing module: be used for after receiving the notice of judge module, the UE ability parameter is carried in the RRC connection request message;
Transport module: be used for described RRC connection request transmission of messages to network side.
10, a kind of subscriber equipment is characterized in that, described subscriber equipment comprises:
Judge module: be used for being under the connection status and after the UE ability parameter changes judging UE the output change notification;
Message transmission module: be used for after receiving the notice of judge module, the relevant UE ability parameter with Access Network after UE ability parameter relevant with core net after changing and/or the variation is transferred to network side.
11, a kind of subscriber equipment is characterized in that, described subscriber equipment comprises:
Judge module: be used for being under the idle condition and after the UE ability parameter changes judging UE the output change notification;
Message constructing module: be used for after receiving the notice of judge module, the relevant UE ability parameter with Access Network after UE ability parameter relevant with core net after changing and/or the variation is carried in the TA updating message;
Transport module: be used for described TA updating message is transferred to network side.
12, a kind of network equipment is characterized in that, the described network equipment is an access network node, and the described network equipment comprises:
Judge module: be used for judging when the next UE ability parameter of UE transmission comprises the UE ability parameter relevant with core net the notification transmission module;
Transport module: be used for after receiving the notice of judge module, the described UE ability parameter relevant with core net transferred to core net node.
Priority Applications (2)
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| CN200810083399.9A CN101272621B (en) | 2007-03-19 | 2008-03-13 | User's set ability information transmission system, user's set and network appliance |
| CN201410203769.3A CN103974234B (en) | 2007-03-19 | 2008-03-13 | Capability information of user facility transmission method, user equipment and the network equipment |
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| CN200710064541.0 | 2007-03-19 | ||
| CN200710064541 | 2007-03-19 | ||
| CN200810083399.9A CN101272621B (en) | 2007-03-19 | 2008-03-13 | User's set ability information transmission system, user's set and network appliance |
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| CN200810083399.9A Active CN101272621B (en) | 2007-03-19 | 2008-03-13 | User's set ability information transmission system, user's set and network appliance |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103974234B (en) | 2017-09-12 |
| CN103974234A (en) | 2014-08-06 |
| CN101272621B (en) | 2014-05-21 |
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