CN101272621B - 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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- CN101272621B CN101272621B CN200810083399.9A CN200810083399A CN101272621B CN 101272621 B CN101272621 B CN 101272621B CN 200810083399 A CN200810083399 A CN 200810083399A CN 101272621 B CN101272621 B CN 101272621B
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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 to RAN and the UE ability parameter relevant with CN (Core Network, core net).The UE ability parameter relevant to 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 to CN mainly comprises: PS territory switching capability, MS (Mobile Station, mobile radio station) wireless access capability, MS network capabilities etc. between system.
At present in UMTS, UE ability parameter transmission method is: UE will with RNC (Radio NetworkController, radio network controller) relevant ability information is all stored in RNC node, as RRC (Radio Resource Control, Radio Resource control) successfully set up after, UE is carried at RRC by UE ability parameter and connects and set up in (RRC Connection Setup Complete) message and transfer to RNC.When UE is in connecting under (Active) state, after UE ability parameter changes, the UE ability parameter after UE active reporting changes.In the time of UTRAN inquiry UE ability parameter, UE reports its ability information.
In LTE system, UE ability parameter comprises: the UE ability parameter relevant to RAN and the relevant UE ability parameter with CN.One method is: UE ability parameter is all stored in CN node, and UE ability parameter transmission method comprises:
In adhering in (Attach) process of UE, UE by all UE ability parameters with a Non-Access Stratum (Non-Access Stratum, NAS) message mode is carried in Attach message, transfer to CN, CN obtains UE ability parameter storage from the Attach message receiving.When UE ability changes and when UE is transformed into Active state from idle condition (Idle), UE is carried at the UE ability parameter after changing in service request (Service Request) message and transfers to CN, CN upgrades storage UE ability parameter, and by the message of S1 interface, be wireless access network applying portion (Radio Access NetworkApplication Part, RANAP) the UE ability parameter relevant to RAN is sent to eNB (evolvedNodeB, evolution base station).
The equal underaction of UE ability parameter transmission method in above-mentioned UMTS, LTE system and cannot make network side get in time 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, user equipment (UE) is in connected state, evolution base station eNB receives the ability parameter of UE, and sends S1 interface message to Mobility Management Entity MME, and this message is carried the ability parameter of the described UE after variation.
Wherein, at UE under idle condition, described method comprises: in the time that the UE ability parameter relevant to core net changes, UE sends the tracing positional district TA updating message of carrying UE ability parameter to MME, and described UE ability parameter comprises the UE ability parameter relevant to core net after variation.
A kind of network equipment that embodiment of the present invention provides, the described network equipment is access network node, comprise: judge module: for judging that the UE ability parameter that UE transmission comes includes the UE ability parameter relevant to core net, notification transmission module: transport module: for receiving after the notice of judge module, the UE ability parameter relevant to core net in described message transferred to core net node by S1 interface message.
Description by technique scheme is known, and the UE ability parameter in embodiment of the present invention can comprise two parts, and two parts UE ability parameter can be stored in respectively access network node and CN node, also can all be stored in CN node; Embodiment of the present invention can be passed through RRC connection request transmission of messages to network side by UE ability parameter; And, when UE is during 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 receive the UE ability parameter after the variation of UE transmission when access network node, and can carry out corresponding operating, then utilize the S1 interface message between access network node and core net node, as the UE ability parameter after changing is transmitted to core net node by RANAP message.Embodiment of the present invention can make switch target side get UE ability parameter, make target side switch time can be with reference to UE ability parameter; Thereby improved UE ability parameter transmission flexibility, make network side can get in time UE ability parameter, improved wireless access performance and performance of handoffs.
Accompanying drawing explanation
Fig. 1 is the UE ability parameter transfer process figure mono-of embodiment of the present invention;
Fig. 2 is the UE ability parameter transfer process figure bis-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 embodiment of the present invention is divided into two parts, and a part is the UE ability parameter relevant to Access Network, and another part is the UE ability parameter relevant to CN.Below by the UE ability parameter relevant to Access Network referred to as the UE ability parameter relevant with RAN.Embodiment of the present invention can be stored in the above-mentioned UE ability parameter relevant to CN CN node, the UE ability parameter relevant with RAN is stored in to access network node, be that CN side is only stored the UE ability parameter relevant to CN, the UE ability parameter relevant with RAN is only stored in access network node; Embodiment of the present invention also can all be stored in above-mentioned two parts UE ability parameter in CN node.
UE ability parameter relevant to RAN in embodiment of the present invention can comprise following parameter: PDCP ability (as supported compressing head type etc.), RLC ability is (as maximum RLC AM window size, maximum number AM entity etc.), transmission channel ability is (as maximum transmitted channel, received bit etc.), RF ability is (as the bandwidth of supporting, UE power stage, transmitting-receiving frequency etc.), physical channel ability is (as the coding of maximum number, SF, received bit etc.), UE supports the ability of multiple systems, fail safe ability is (as supported integrality, the algorithm of encrypting etc.), measurement capability is (as multi-carrier frequency is measured, GSM is needed to compact model etc.), UE position capability etc.The UE ability parameter relevant to CN can comprise following parameter: PS territory switching capability, MS wireless access capability (as wireless access technology, the security algorithm of support etc. supported), MS network capabilities (coding of support etc.) or MBMS (Multimedia Broadcast Multicast Service, multicast service) ability etc. between system.UE ability parameter can be determined according to the actual conditions of network.
When UE transmission UE ability parameter, UE ability parameter can be divided into the UE ability parameter relevant to CN, UE ability parameter two parts relevant with RAN transmit.UE can transmit these two parts UE ability parameter by parameter bag 1, parameter bag 2, parameter bag can be with general information unit (Information Element, IE) mode is carried in message and transmits, and parameter bag also can be carried in message and transmit in the mode of transparent vessel.And UE can be carried at the UE ability parameter relevant to CN transmission, the UE ability parameter relevant with RAN in the NAS signaling of message and can be carried in rrc layer signaling and transmit; UE also can by the UE ability parameter relevant to CN with RAN, relevant UE ability parameter be all carried in rrc layer signaling and transfers to access network node, then by access network node, the UE ability parameter relevant to CN is carried to interface message between access network node and CN node as S1 interface message, in RANAP message, transfers to CN node.The rrc layer signaling is here the signaling for Radio Resource control.The NAS layer signaling is here the signaling for non-access transmission.
UE can set up the Article 1 message of RRC, in RRC connection request message the transmission UE ability parameter relevant to CN and with RAN relevant UE ability parameter; UE can transmit the UE ability parameter relevant to CN in Attach process; UE can transmit the parameter relevant to RAN in service request process; In UE can transmit the parameter relevant to RAN in service request process, the UE ability parameter relevant to CN that transmission has changed; UE also can transmit the UE ability parameter having changed under Active state; UE can also transmit the UE ability parameter relevant to CN having changed under idle condition.
Multiple UE ability parameter transmission method embodiment of the present invention being provided below in conjunction with accompanying drawing is elaborated.
Carry out in Attach process at UE, the transmitting procedure of UE ability parameter as shown in Figure 1.
In Fig. 1, when UE carries out Attach process, UE is carried at the UE ability parameter relevant to CN in NAS layer signaling Attach Request message, and by eNB, Attach Request message to be sent to CN node be MME.MME obtains the UE ability parameter relevant to CN from Attach Request message, and storage.
Initiate in business procedure at UE, the transmitting procedure of UE ability parameter as shown in Figure 2.
In Fig. 2, UE initiates business, UE is carried at the UE ability parameter relevant to RAN in the rrc layer signaling of RRCConnection Setup message, UE sends RRC Connection Setup message, and UE sends to MME by the Service Request message in RRC CONNECTION REQUEST message by eNB.ENB obtains the UE ability parameter relevant to RAN from the rrc layer signaling of RRC Connection Setup message, and storage.It should be noted that, Service Request message is NAS layer signaling, in RRC Connection Setup message, can include NAS layer signaling and rrc layer signaling.
In the above-mentioned description for Fig. 2, in the time that UE need to send Service Request message, UE can also be carried at the UE ability parameter relevant to CN in Service Request message and send together.Specific implementation process can be: whether the UE judgement UE ability parameter relevant to CN change has occurred, there is change if judge the UE ability parameter relevant to CN, can the UE ability parameter relevant to CN be carried in Service Request message simultaneously, if the UE ability parameter relevant to CN is as parameter bag 1, the UE ability parameter relevant to RAN is placed in RRC Connection Setup message and sends together as parameter bag 2; If UE judges the UE ability parameter relevant to CN and does not change, in above-mentioned RRC Connection Setup message, can only carry parameter bag 2, do not carry parameter bag 1.ENB receives after RRC Connection Setup message, from message, parse the content of rrc layer signaling, then, stored parameter bag 2, the i.e. storage UE ability parameter relevant to RAN, and continue to transmit Service Request message to the MME of CN side, MME receives after Service Request message, carry parameter bag 1 if judge, from message, parse so the parameter bag 1 in NAS layer signaling, and the storage UE ability parameter relevant to CN, do not carry parameter bag 1 if judged, the explanation UE ability parameter relevant to CN do not change.
When UE is during in Active state, if there is change in the UE ability parameter relevant to RAN, need to notify access network node, if there is change in the UE ability parameter relevant to CN, need to notify CN node, as notified 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 in Fig. 3 includes RRC signaling and NAS signaling.
In Fig. 3, first, whether the UE judgement UE ability parameter relevant to CN changes.If judge the UE ability parameter relevant to CN, variation has occurred, UE is carried in NAS layer signaling the UE ability parameter relevant to CN as parameter bag 1, and the flag F lag IE in message is set, to represent that this message need to be forwarded to CN; As there is variation when the UE ability parameter relevant to CN, flag F lag IE is set to 1, otherwise flag F lag IE is set to 0.Whether UE continues the judgement UE ability parameter relevant to RAN and changes, if UE judges the UE ability parameter relevant to RAN, variation has occurred, UE is carried in the rrc layer signaling of UE CapabilityInformation message the UE ability parameter relevant to RAN as parameter bag 2.
Being provided with after the parameter bag carrying in UE Capability Information message, UE sends UECapability Information message.
ENB receives after UE Capability Information message, first judge in the rrc layer signaling of UE CapabilityInformation message and whether carry parameter bag 2, if carry parameter bag 2, eNB parses the parameter bag 2 in 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, continue to judge the flag F lag IE in UE Capability Information message, if the value of Flag is 1, the UE Capability Information message that carries parameter bag 1 is transmitted to the MME in CN by eNB; If judging the value of Flag is 0, eNB has not just needed to forward UE Capability Information message.
In the above-mentioned description for Fig. 3, in UE Capability Information message, also can not carry flag F lag IE, whether eNB can carry parameter bag 1 or additive method determines whether to need to continue to forward UE Capability Information message to MME by judging in message, and specific implementation process is not described in detail at this.
UE Capability Information message in Fig. 4 includes rrc layer signaling, does not comprise NAS signaling.
In Fig. 4, first, whether the UE judgement UE ability parameter relevant to CN there is variation, if variation has occurred the UE ability parameter relevant to CN, is carried at the UE ability parameter relevant to CN as parameter bag 1 in the rrc layer signaling of UE Capability Information message.Parameter bag 1 can or be carried in rrc layer signaling in transparent vessel mode in general IE mode.
UE continues the judgement UE ability parameter relevant to RAN whether variation has occurred, there is variation if judge the UE ability parameter relevant to RAN, be carried at the UE ability parameter relevant to RAN as parameter bag 2 in the rrc layer signaling of UE Capability Information message.
ENB receives after UE Capability Information message, first judge in the rrc layer signaling of UE CapabilityInformation message and whether carry parameter bag 2, if carry parameter bag 2, eNB parses the parameter bag 2 in rrc layer signaling from UE Capability Information message, and stores; ENB continues to judge in UE Capability Information message whether carry parameter bag 1, carry parameter bag 1 if judged, eNB by parameter bag 1 by the interface message between itself and CN, be RANAP message, as parameter bag 1 is transferred to the MME in CN by the UE Capability to CN message of S1 interface; If judge in UE Capability Information message and do not carry parameter bag 1, eNB parses after the parameter bag 2 in rrc layer signaling from UE Capability Information message, does not just need to have passed through S1 interface message retransmitting paramater bag 1 again.
When UE is when idle condition (Idle), having there is change in the UE ability parameter relevant to CN, needs to notify CN node, as notified CN node by TA (Tracking Area, tracing positional district) updating message periodically.UE ability parameter transmission method is as shown in Figure 5 under idle condition for UE.
In Fig. 5, after UE ability parameter changes, the UE ability parameter relevant to CN having changed is carried at the MME that transfers to CN side in TA updating message by UE.MME parses the UE ability parameter relevant to CN from TA updating message, and storage.
When UE has occurred after change in idle condition and UE ability parameter, embodiment of the present invention also can not transmitted the UE ability parameter relevant to CN by TA updating message, but in the time that UE is transferred to Active state, recycle the method for describing in above-mentioned Fig. 2, 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 UE ability parameter in CN node.When UE ability parameter is all stored under CN node state, UE is in the time of Active, and the transmission method of UE ability parameter as shown in Figure 6.
In Fig. 6, UE reports the message (such as UE CapabilityInformation, UE capability reporting) of UE ability parameter to be made up of NAS layer signaling and rrc layer signaling to network.UE using the UE ability parameter relevant to RAN and with CN relevant UE ability parameter as two parameter bags, wherein, the UE ability parameter bag relevant to CN is carried in NAS Signaling Layer, and the UE ability parameter relevant to RAN made parameter bag 2 and be carried in rrc layer signaling.The for example UE Capability Information message of message that carries two parameter bags is sent to eNB by UE.
ENB receives after UE Capability Information message, judge whether UE CapabilityInformation message carries parameter bag 2, if judge in UE Capability Information message and carry parameter bag 2, 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 parameter 1 S1 interface message if UE Capability Information to CN transmission of messages is to MME together with parameter 2.Parameter bag 1 is at 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 can be also a rrc layer signaling message to UE.ENB receives after rrc layer signaling message, parses the ability parameter relevant with RAN, handle accordingly, and relevant UE ability parameter sends to MME by S1 interface message by the UE ability parameter relevant to RAN in message and with CN.Equally, eNB can make the UE ability parameter relevant to RAN a transparent vessel or general IE and be carried in S1 interface message and send to MME, be that access network node can send RANAP message to core net node, and in RANAP message, carry the UE ability parameter after variation, this UE ability parameter can be the UE ability parameter relevant to core net and/or with Access Network relevant UE ability parameter.
When UE ability parameter is all stored in the situation of CN node, UE is in the time of Active, and the transmission method of the another kind of UE ability parameter that embodiment of the present invention provides as shown in Figure 7.
In Fig. 7, UE is carried at all UE ability parameters in the NAS layer signaling of UE Capability Information message, wherein relevantly to RAN can make a transparent vessel.UE transfers to UE Capability 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 receiving judges in message and carry parameter bag 2, MME transfers to eNB by S1 interface message by the UE ability parameter relevant to RAN; ENB parses the UE ability parameter relevant to RAN from the S1 interface message receiving, and carries out corresponding operating according to the UE ability parameter relevant to RAN parsing; If MME judges in UE Capability Information message and does not carry parameter bag 2, show that the UE ability parameter relevant to RAN do not change, no longer send S1 interface message to eNB.
When UE ability parameter is all stored in the situation of CN node, during in idle condition, if change has occurred UE ability parameter, need to notify equally access network node and CN node, as notified CN node by periodicity TA updating message at UE.UE ability parameter transmission method is as shown in Figure 8 under idle condition for UE.
In Fig. 8, after UE ability parameter changes, UE is by the UE ability parameter relevant to CN having changed and relevant UE ability parameter is carried at the MME that transfers to CN side in TA updating message with RAN.MME from TA updating message, parse the UE ability parameter relevant to CN and with RAN relevant UE ability parameter, and storage.
Relate between different MME switch or intersystem handover process in, the source of switching can transfer to UE ability parameter the target side of switching, the UE ability parameter relevant to RAN can transmit by the mode of transparent vessel.The message that carries UE ability parameter relevant to RAN can transfer to by access network node the core net node of source, by the core net node of source, the relevant UE ability parameter with CN of the UE ability parameter relevant to RAN receiving and its storage is transferred to the core net node of target side.The core net node of source also can by the UE ability parameter relevant to RAN of its storage with CN, relevant UE ability parameter transfers to the core net node of target side.The core net node of target side is receiving the UE ability parameter relevant to RAN and with CN after relevant UE ability parameter, can preserve the UE ability parameter relevant to RAN and with CN relevant UE ability parameter, and the UE ability parameter relevant to RAN transferred to the access network node of target side.The core net node of target side also can receive the UE ability parameter relevant to RAN and with CN after relevant UE ability parameter, can only preserve the UE ability parameter relevant to CN, then the UE ability parameter relevant to RAN transferred to the access network node of target side, preserve the UE ability parameter relevant to RAN by the access network node of target side.Source access network node also can directly transfer to UE ability parameter the 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 LTE intra-system handoff is below elaborated.
Method one, in the case of between source base station and target BS, exist X2 interface, cell update to cause to switch and base station in need storage UE ability parameter, the UE ability parameter relevant with RAN transmit in being carried at cell update request message, UE ability parameter transmission method and changing method flow process.
In method one shown in Fig. 9, switching, because cell update causes, as caused Radio Link Failure to cause cell update due to poor signal, and then is switched.
At the Radio Link Failure of step 1, UE.
Step 2, UE are carried at UE ability parameter in cell update request (Cell Update Request) message, and Cell Update Request message are sent to target eNB.It should be noted that, the UE ability parameter carrying in CellUpdate Request message can, for the partial parameters in UE ability parameter, can be also the whole parameters in UE ability parameter.Embodiment of the present invention can increase UE ability cell in Cell UpdateRequest message, to carry UE ability parameter.In the time having carried the partial parameters in UE ability parameter in Cell Update Request message, other parameter can be after switching completes, then transfers to target eNB.
UE ability parameter is obtained and preserved to step 3, target eNB from Cell Update Request message, and 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, allows to switch if target eNB is determined, arrives step 4; Do not allow to switch if target eNB is determined, the flow process of this changing method finishes.
Step 4, target eNB send Handover Request message to source eNB.
Step 5, source eNB, receiving after Handover Request message, return to Handover Response message to target eNB.
Step 6, target eNB are carried out further switch decision according to the parameter of carrying in Handover Response message, switch, if determining to receive switches, to step 7 to determine whether to receive; If determine and do not receive switching, the flow process of this changing method finishes.
Step 7, target eNB send Cell Update RESPONSE message to UE, to notify UE to switch.
Step 8, target eNB send Path Switch message to Evolved Packet Core (Evolved Pocket Core, EPC), to notify EPC to carry out down link switching.In fact between step 7 and step 8, can there is no sequencing, and, in the flow process of method one, can first not perform step 8.If carried out step 8 in the flow process of method one, in follow-up flow process, can not need to perform step 10,, after having carried out step 9, directly arrive step 11.
Step 9, UE are receiving after Cell Update Response message, send Handover Confirm message to target eNB, and with notification target, eNB has switched.It should be noted that, if target eNB sends Path Switch message less than the EPC in CN in above-mentioned flow process,, after step 7 is complete, directly arrive step 9.
Step 10, target eNB send Path Switch message to the EPC in CN, to notify EPC to carry out down link switching.
Step 11, EPC, receiving after Path Switch message, carry out down link switching, and send Release Resource message to source eNB.Source eNB is receiving after Release Resource message, discharges the resource relevant to this UE in Radio Resource and chain of command.The flow process of this changing method finishes.If there is no step 11 in the flow process of method three, target eNB sends after PathSwitch message to the EPC in CN, to step 12.
Step 12, EPC send Handover Complete Ack message to target eNB.
Step 13, target eNB are receiving after Handover Complete Ack message, send Release Resource message to source eNB.Source eNB is receiving after Release Resource message, discharges the resource relevant to this UE in Radio Resource and chain of command.The flow process of this changing method finishes.
Method two, in the case of between source base station and target BS, exist X2 interface, cell update to cause to switch and base station in need storage UE ability parameter, the UE ability parameter relevant with RAN transmit in being carried at switching response message, UE ability parameter transmission method and changing method flow process are as shown in Figure 10.
In method two shown in Figure 10, switching, because cell update causes, as caused Radio Link Failure to cause cell update due to poor signal, and then is switched.
At the Radio Link Failure of 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, to determine whether allowing switching, allow to switch if target eNB is determined, target eNB sends Handover Request message to source eNB; Do not allow to switch if target eNB is determined, the flow process of this changing method finishes.
Step 4, source eNB, receiving after Handover Request message, are carried at UE ability parameter in Handover Response message, and Handover Response message are sent to target eNB.Embodiment of the present invention can increase UE ability cell in Handover Response message, to carry UE ability parameter.It should be noted that, the UE ability parameter carrying in Handover Response message can, for the partial parameters in UE ability parameter, can be also the whole parameters in UE ability parameter.In the time having carried the partial parameters in UE ability parameter in Handover Response message, other parameter can be after switching completes, then transfers to target eNB.
UE ability parameter is obtained and preserved to step 5, target eNB from Handover Response message, and the flow process of this UE ability parameter transmission method finishes.Target eNB, according to carrying UE ability parameter in Handover Response message and other parameter is carried out further switch decision, is switched to determine whether to receive, if determining to receive switches, to step 6; If determine and do not receive switching, the flow process of this changing method finishes.
Step 6, target eNB send Cell Update Response message to UE, to notify UE to switch.
Step 7, target eNB send Path Switch message to the EPC in CN, to notify EPC to carry out down link switching.In fact between step 6 and step 7, can there is no sequencing, and, in the flow process of method two, can first not perform step 7.If carried out step 7 in the flow process of method two, in follow-up flow process, can not need to perform step 9,, after having carried out step 8, directly arrive step 10.
Step 8, UE are receiving after Cell Update Response message, send Handover Confirm message to target eNB, and with notification target, eNB has switched.It should be noted that, if target eNB sends Path Switch message less than the EPC in CN in above-mentioned flow process,, after step 6 is complete, directly arrive step 8.
Step 9, target eNB send Path Switch message to the EPC in CN, to notify EPC to carry out down link switching.
Step 10, EPC, receiving after Path Switch message, carry out down link switching, and send Release Resource message to source eNB.Source eNB is receiving after Release Resource message, discharges the resource relevant to this UE in Radio Resource and chain of command.The flow process of this changing method finishes.If there is no step 10 in the flow process of method two, target eNB sends after PathSwitch message to the EPC in CN, to step 11.
Step 11, EPC send Handover Complete Ack message to target eNB.
Step 12, target eNB are receiving after Handover Complete Ack message, send Release Resource message to source eNB.Source eNB is receiving after Release Resource message, discharges the resource relevant to this UE in Radio Resource and chain of command.The flow process of this changing method finishes.
In the above-mentioned description for Fig. 4, target eNB having obtained after UE ability parameter from the message receiving, can also carry out corresponding radio resource management operations according to UE ability parameter, the radio resource management operations here, is not described in detail at this for the operation in Fig. 1 description as above-mentioned.
Method three, in the case of between source base station and target BS, do not exist X2 interface, cell update to cause to switch and base station in need storage UE ability parameter, the UE ability parameter relevant with RAN transmit by repositioning process, UE ability parameter transmission method and changing method flow process are as shown in Figure 11.
In Figure 11, at the Radio Link Failure of step 1, UE.
Step 2, UE send Cell Update Request message to target eNB.
Between EPC in step 3, source eNB, target eNB and CN, carry out repositioning process.In repositioning process, source eNB is carried at UE ability parameter in the message of repositioning process, and this message is transferred to EPC by S1 interface.EPC is carried at the UE ability parameter in the message of reception in the message of repositioning process, and this message is transferred to target eNB by S1 interface.Embodiment of the present invention can increase UE ability cell in the message of repositioning process, to carry UE ability parameter.Embodiment of the present invention also can be placed on UE ability parameter in a transparent vessel and transmit with the message of repositioning process.It should be noted that, the UE ability parameter carrying in the message of repositioning process can, for the partial parameters in UE ability parameter, can be also the whole parameters in UE ability parameter.When in the message of repositioning process, carried in UE ability parameter partial parameters time, other parameter can be after switching completes, then transfers to target eNB.After repositioning process finishes, to step 4.
Step 4, target eNB send Cell Update RESPONSE message to UE, to notify UE to switch.
Step 5, UE are receiving after Cell Update Response message, send Handover Confirm message to target eNB, and with notification target, eNB has switched.
Step 6, EPC send Release Resource message to source eNB.Source eNB is receiving after ReleaseResource message, discharges the resource relevant to this UE in Radio Resource and chain of command.The flow process of this changing method finishes.
Method four, do not have to store the UE ability parameter relevant with RAN in the switching relevant to MME and core net in the case of occurring, UE ability parameter transmission method and changing method flow process are as shown in accompanying drawing 12, accompanying drawing 13.
In Figure 12, Figure 13, the UE ability parameter relevant to RAN transferred to source MME by source eNB, as source eNB is carried at the UE ability parameter relevant to RAN in Handover Require message other message such as (or) Relocation message, and Handover Require message (or other message) is transferred to source MME.Source MME receives after Handover Require message (or other message), do not retain the UE ability parameter relevant to RAN in Handover Require message (or other message), and transfer to target MME by Sx interface message together with the UE ability parameter relevant with CN of the UE ability parameter relevant to RAN in Handover Require message (or other message) and its storage.Target MME is receiving after the next two parts parameter of source MME transmission, store the UE ability parameter relevant to CN, and the UE ability parameter relevant to RAN transferred to target eNB by S1 interface message as Relocation message or Handover Request message or other message etc.Target eNB receives and preserves the UE ability parameter relevant to RAN carrying in message, and switches the processing such as receiving according to the UE ability parameter relevant to RAN.
Above-mentioned for Figure 12,13 description in, the UE ability parameter relevant to RAN can be carried in message with IE mode or transparent vessel mode.In the time that the UE ability parameter relevant to RAN is carried in message in transparent vessel mode, " terminal ", as source MME, target MME etc. can be indifferent to the content in container, forms 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, in the time that the protocol version using between the node of transmission UE ability parameter is different, the use of transparent vessel can be avoided the impact of protocol version on the transmission of UE ability parameter.
Method five, in the case of occurring to have stored the UE ability parameter relevant with RAN in the switching relevant to MME and MME and with CN relevant ue ability parameter, UE ability parameter transmission method and changing method flow process are as accompanying drawing 14, shown in accompanying drawing 15.
In Figure 14, Figure 15, the message of source eNB by Sl interface need to be switched as Relocation message or HandoverRequire message or other message informing sources MME.Source MME is receiving after the notice that need to switch, by the UE ability parameter relevant to RAN of its storage, and the UE ability parameter relevant to CN is carried in Handover Require message (or other message) together, and Handover Require (or other message) is transferred to target MME by Sx interface message, target MME is receiving after the next two parts parameter of source MME transmission, store the UE ability parameter relevant to CN and the relevant UE ability parameter with RAN, and pass through S1 interface message as Relocation message, or Handover Request message, or the UE ability parameter relevant to RAN transferred to target eNB by other message etc.Target eNB is obtained the UE ability parameter relevant to RAN from the message receiving, and switches the processing such as receiving according to the UE ability parameter relevant to RAN.
The process that switches between system, also can adopt the UE ability parameter transmission method as shown in Figure 14,15.
Above-mentioned for Figure 14,15 description in, the UE ability parameter relevant to RAN can be carried in message with general IE mode or transparent vessel mode, transfers to MME.
The subscriber equipment and the network equipment that below embodiment of the present invention are provided describe.
Embodiment of the present invention provides a kind of subscriber equipment, comprising: judge module, message constructing module and transport module.
Judge module, in the time judging subscriber equipment and start to set up RRC, as initiated business as UE and need to send RRC connection request message time, notification message constructing module.
Message constructing module, for receiving after the notice of judge module, by the UE ability parameter relevant to RAN and with CN, relevant UE ability parameter is carried at and sets up in RRC connection request message; As the UE ability parameter relevant to Access Network is carried in the rrc layer signaling of RRC Connection Setup message.
Message constructing module is in the time learning that according to the notice of judge module UE need to send RRC ConnectionSetup message, message constructing module can also be carried at the UE ability parameter relevant to CN in the Service Request message of RRCConnection Setup message, sends together; As message constructing module change has occurred judging the UE ability parameter relevant to CN, can the UE ability parameter relevant to CN be carried in Service Request message simultaneously.
Transport module, for by 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, for judging UE under Active state and after the UE ability parameter relevant to RAN occurred to change or relevant UE ability parameter changes with CN, exporting change notice.
Message transmission module, for receiving after the notice of judge module, if there is variation in the UE ability parameter relevant to CN, the UE ability parameter relevant to CN after changing is carried in message, if variation has occurred the UE ability parameter relevant to RAN, the UE ability parameter relevant to RAN after changing is carried in message.The message is here as UE Capability Information message etc.UE Capability Information message can include RRC signaling and NAS signaling, and UE CapabilityInformation message also can include rrc layer signaling and not comprise NAS signaling.
Include in RRC signaling and NAS signaling situation in UE Capability Information message, there is variation judging the UE ability parameter relevant to CN in message transmission module, message transmission module is carried at the UE ability parameter relevant to CN as parameter bag 1 in the NAS layer signaling of UE Capability Information message, and the flag F lag IE in message is set, to represent that this message need to be forwarded to CN; There is variation judging the UE ability parameter relevant to RAN in message transmission module, message transmission module is carried in the rrc layer signaling of UE CapabilityInformation message the UE ability parameter relevant to RAN as parameter bag 2, and by this transmission of messages to network side.
In the situation that UE Capability Information message includes rrc layer signaling and does not comprise NAS signaling, there is variation judging the UE ability parameter relevant to CN in message transmission module, message transmission module is carried in the rrc layer signaling of UE CapabilityInformation message the UE ability parameter relevant to CN as parameter bag 1.Parameter bag 1 can be carried in rrc layer signaling in general IE mode or in transparent vessel mode; There is variation judging the UE ability parameter relevant to RAN in message transmission module, message transmission module is carried in the rrc layer signaling of UE Capability Information message the UE ability parameter relevant to RAN as parameter bag 2, and by this transmission of messages to network side.
The embodiment of the present invention provides another kind of subscriber equipment, comprising: judge module, message constructing module and transport module.
Judge module is mainly used in after judging UE under idle condition and the UE ability parameter relevant to CN etc. change, notification message constructing module.
Message constructing module is mainly used in receiving after the notice of judge module, and the relevant UE ability parameter with Access Network by the UE ability parameter relevant to core net after changing and/or after changing is carried in message, and the message is here 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, as TA updating message etc. transfers to network side.
The network equipment that embodiment of the present invention provides can be arranged at Access Network side, and this network equipment is access network node.Access network node can comprise: judge module and transport module.
Judge module, for judging whether the UE ability parameter that UE transmission comes includes the UE ability parameter relevant to CN, if had, notification transmission module; As judge module includes after NAS layer signaling judging in RRCConnection Setup message, notification transmission module; For another example judge module adopts flag F lag IE, whether carries the modes such as parameter bag 1 and judge in UE Capability Information message and carry after the UE ability parameter relevant to CN, notification transmission module.Judge module can also carry parameter bag 2 transmit the UE Capability Information message come under connection status in when the UE ability parameter relevant to RAN judging UE, notice access network node, make access network node can from message, obtain the UE ability parameter relevant to RAN, and operate accordingly according to the UE ability parameter relevant to RAN.
Transport module, for receiving after the notice of judge module, transfers to CN node by the UE ability parameter relevant to CN.Transport module also can transfer to CN node with together with the UE ability parameter relevant with RAN by the UE ability parameter relevant to CN.In the time that the UE ability parameter relevant to CN is carried at the NAS layer signaling of the message that UE transmission comes, transport module can be directly by NAS layer signalling to CN node; In the time that the UE ability parameter relevant to CN is carried at the rrc layer signaling of the next message of UE transmission, transport module need to be carried at the UE ability parameter relevant to CN in rrc layer signaling in NAS layer signaling and transfer to CN node.
For example transport module by together with the UE ability parameter relevant to CN and the UE ability parameter relevant with RAN by S1 interface message if UE Capability Information to CN transmission of messages is to MME, transport module can be carried at the UE ability parameter relevant to CN on NAS layer and the UE ability parameter relevant with RAN be made to a transparent vessel or general IE.
For example transport module will carry the MME of NAS layer signaling UE Capability Information transmission of messages to CN side again.In NAS layer signaling, carry all UE ability parameters, and the UE ability parameter relevant to RAN is made into a transparent vessel.
Transport module also needs above-mentioned message to transfer to source CN node by source access network node, and the target CN node that UE ability parameter is transferred to switching by source CN node is as target MME.
From the description of above-mentioned execution mode, can find out, UE ability parameter in embodiment of the present invention can comprise two parts, two parts UE ability parameter can be stored in respectively access network node and CN node, also can all be stored in CN node, so when carry out in CN switching or CN between core net while switching, access network node or CN node can provide the ability parameter of UE as required to the destination node switching, make switching controls more effective; Embodiment of the present invention can be carried out in business initiation process at UE, and UE ability parameter is passed through to RRC connection request transmission of messages to network side; And, when UE is during in connection status or idle condition, also the UE ability parameter after changing can be transferred to access network node or CN node; And receive the UE ability parameter after the variation of UE transmission when access network node, and can carry out corresponding operating, then utilize the S1 interface message between access network node and core net node, as the UE ability parameter after changing is transmitted to core net node by RANAP message.Embodiment of the present invention can make switch target side get UE ability parameter, make target side switch time can be with reference to UE ability parameter; Thereby improved UE ability parameter transmission flexibility, make network side can get in time UE ability parameter, improved wireless access performance and performance of handoffs.
Although described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not depart from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (2)
1. subscriber equipment (UE) ability information transmission method, is characterized in that, when UE is in connection status, the method comprises:
Evolution base station (eNB) receives the ability parameter of UE that described UE sends by UE ability information (UE Capability information) message, and described UE ability parameter comprises the UE ability parameter relevant to core net and/or the relevant UE ability parameter with Access Network;
If described eNB judges in described UE capability information message and carries the UE ability parameter relevant to core net, described eNB forwards described UE capability information message to Mobility Management Entity (MME);
If described eNB judges in described UE capability information message and do not carry the UE ability parameter relevant to core net, eNB does not forward described UE capability information message.
2. the method for claim 1, it is characterized in that, when described UE is in idle condition, and when the UE ability parameter relevant to core net changes, described UE sends tracing positional district (TA) updating message to MME, and described TA updating message is carried the UE ability parameter relevant to core net after variation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410203769.3A CN103974234B (en) | 2007-03-19 | 2008-03-13 | Capability information of user facility transmission method, user equipment and the network equipment |
| 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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| 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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