CN101848536A - Radio resource control connection reestablishment method and base station - Google Patents
Radio resource control connection reestablishment method and base station Download PDFInfo
- Publication number
- CN101848536A CN101848536A CN 201010158266 CN201010158266A CN101848536A CN 101848536 A CN101848536 A CN 101848536A CN 201010158266 CN201010158266 CN 201010158266 CN 201010158266 A CN201010158266 A CN 201010158266A CN 101848536 A CN101848536 A CN 101848536A
- Authority
- CN
- China
- Prior art keywords
- enb
- message
- rrc connection
- request message
- rrc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000004044 response Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000003213 activating effect Effects 0.000 claims description 6
- 230000007774 longterm Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 12
- 238000007726 management method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 108091005487 SCARB1 Proteins 0.000 description 2
- 102100037118 Scavenger receptor class B member 1 Human genes 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a radio resource control (RRC) connection reestablishment method and a base station. The method comprises the following steps that: UE in an LTE system transmits an RRC connection reestablishment request message to a target eNB in a target cell under the target eNB when meeting certain conditions after the service is activated in the cell of a source eNB; and the target eNB determines the source eNB according to the information in the RRC connection reestablishment request message and acquires the related information of the UE from the source eNB to establish a radio link for the UE so as to finish the subsequent RRC connection reestablishment process. By means of the technical scheme, the UE in the LTE system can reestablish the RRC connection to an eNB which does not stores the related information of the UE so as to reduce the rate of dropped calls.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of Radio Resource control (RRC, Radio Resource Control) connection reconstruction cube method and a kind of base station.
Background technology
Long Term Evolution (LTE, Long Term Evolution) network is the network of a flattening, insert (E-UTRAN by evolution whole world terrestrial radio, Evolved UniversalTerrestrial Radio Access) net and evolution packet switching center (EPC, EvolvedPacket Core) are formed.The maximum variation of comparing the LTE network with 3G technology is that the wireless access mesh portions has been removed radio network controller (RNC, Radio Network Controller), has reduced network delay.In LTE, E-UTRAN comprises the set of the eNB that links to each other by the S1 interface with EPC, links to each other by X2 interface between the eNB.
Because the flattening characteristic of LTE network, the sub-district number of each base station (eNB) management is limited, thus UE between eNB, move can be very frequent, thereby cause the call drop situation frequently to take place.
For in the above-mentioned LTE system because frequent move of UE between eNB causes the high problem of cutting off rate, the present inventor expects if UE does not have the sub-district of the eNB of UE relevant information can initiate Radio Resource control (RRC at one yet, Radio ResourceControl) connection re-establishment process then can effectively reduce the situation of conversation loss.
Described RRC connection re-establishment process in 3GPP RRC agreement, this process comprises to be recovered SRB1 and activates safety again.
Fig. 1 is the flow chart of the RRC connection re-establishment process described in the existing 3GPP RRC agreement.As shown in Figure 1, may further comprise the steps:
Step 101 is in RRC and connects (RRC_CONNECTED) state and activated safe UE, under certain conditions, sends RRC connection re-establishment request (RRCConnection Reestablishment Request) message to eNB.
Step 102 after eNB receives message, is carried out relevant treatment and is sent RRC connection re-establishment (RRC Connection Reestablishment) message to UE.After UE receives RRC connection re-establishment message, stop relevant timer, recover SRB1, activate safety again, comprise integrity protection and encryption, and carry out the measured place reason.
Step 103, UE sends the RRC connection re-establishment to eNB and finishes (RRC ConnectionReestablishment Complete) message, and after eNB received this message, RRC connection re-establishment flow process finished.
But stipulate in the 36300 existing protocol specifications, when rebuilding upright RRC, UE is connected to one when not preserving the eNB of UE relevant information, because the relevant information that this eNB does not preserve this UE, can only refuse the RRC connection re-establishment request of this UE, UE will get back to RRC free time (RRC_IDLE) state, i.e. conversation loss.
Summary of the invention
The invention provides a kind of RRC connection reconstruction cube method, this method makes the UE in the LTE system can rebuild upright RRC and is connected to an eNB who does not preserve the relevant information of this UE, and then reduced cutting off rate.
The invention provides a kind of base station, this base station makes the UE in the LTE system can rebuild upright RRC and is connected to himself, even the relevant information of this UE is not preserved in this base station, and then reduced cutting off rate.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of radio resource control RRC connection reconstruction cube method, after the activating service, this method comprises the UE in Long Term Evolution LTE system in the sub-district of source eNB:
Described UE sends RRC connection re-establishment request message to this target eNB in the Target cell under the target eNB;
Target eNB is after receiving described RRC connection re-establishment request message, judge according to the information in this RRC connection re-establishment request message whether self has preserved the relevant information of described UE, if do not preserve, then the information of further rebuilding in the upright request message according to RRC is determined described source eNB;
Target eNB is obtained the relevant information of described UE from source eNB, and sets up Radio Link for this UE according to the relevant information of described UE in Target cell;
Target eNB sends RRC connection re-establishment message to UE, and UE returns the RRC connection re-establishment to target eNB and finishes message; Target eNB sends RRC to UE and connects reconfiguration message, and UE returns RRC to target eNB and connects to reshuffle and finish message;
Target eNB sends a notification message to mobile management entity MME.
The invention also discloses a kind of eNB, this eNB comprises: module and acquisition module are set up in the RRC connection, wherein,
RRC connects and to set up module, is used to receive the RRC connection re-establishment request message that UE sends, and is transmitted to acquisition module, receives the relevant information of described UE from acquisition module, and sets up Radio Link for this UE according to the relevant information of described UE in Target cell; Be used for to UE transmission RRC connection re-establishment message, message is finished in the RRC connection re-establishment that reception UE returns, and sends RRC to UE then and connects reconfiguration message, and the RRC connection that reception UE returns is reshuffled and finished message; Be used for sending a notification message to mobile management entity MME;
Acquisition module, be used to receive RRC and connect the RRC connection re-establishment message of setting up the module transmission, and judge the relevant information of whether having preserved described UE among this eNB according to the information in this RRC connection re-establishment request message, if do not preserve, then the information of further rebuilding in the upright request message according to RRC is defined as the source eNB that described UE provides service, obtain the relevant information of described UE from source eNB, and send to RRC and connect and to set up module.
By as seen above-mentioned, this UE in the LTE system of the present invention is in the sub-district of source eNB after the activating service, when satisfying certain condition, in the Target cell under the target eNB, send RRC connection re-establishment request message to this target eNB, target eNB is determined source eNB according to the information in this RRC connection re-establishment request message, and obtain the relevant information of described UE from source eNB, for this UE sets up Radio Link, thereby the technical scheme of finishing follow-up RRC connection re-establishment process makes the UE in the LTE system can rebuild upright RRC and is connected to an eNB who does not preserve the relevant information of this UE, and then reduced cutting off rate.
Description of drawings
Fig. 1 is the flow chart of the RRC connection re-establishment process described in the existing 3GPP RRC agreement;
Fig. 2 is the flow chart of a kind of RRC connection reconstruction of embodiment of the invention cube method;
Fig. 3 is that the upright RRC of embodiment of the invention UE reconstruction is connected to a signaling process figure who does not preserve the eNB of UE relevant information;
Fig. 4 is the composition structured flowchart of a kind of eNB of the embodiment of the invention.
Embodiment
Fig. 2 is the flow chart of a kind of RRC connection reconstruction of embodiment of the invention cube method.As shown in Figure 2, this method may further comprise the steps:
Here, target eNB is the eNB that general reference receives the RRC connection reconfiguration request message of UE transmission, comprises eNB that preserves described UE relevant information and the eNB that does not preserve described UE relevant information.The UE relevant information refers to the contextual information of UE.
In this step, if target eNB is preserved the relevant information of UE, direct execution in step 204 and 205 then.
In order to make the purpose, technical solutions and advantages of the present invention clearer, exemplify a specific embodiment below, technical scheme of the present invention is elaborated.
Fig. 3 is that the upright RRC of embodiment of the invention UE reconstruction is connected to a signaling process figure who does not preserve the eNB of UE relevant information.As shown in Figure 3, may further comprise the steps:
Step 301, UE is activating service in the sub-district of source eNB.
UE for example when the speech quality variation of source eNB, carries out follow-up step when satisfying certain condition.
Step 302, UE sends RRC connection re-establishment request message to target eNB.
Step 303, target eNB is after receiving RRC connection re-establishment request message, according to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (c-RNTI), Physical Cell Identifier (PhysCellId) and short message integrity authentication code authentication parameter (shortMAC-I) wherein, the relevant information of in the data of self preserving, searching described UE, if do not preserve, then determine source eNB according to Physical Cell Identifier (PhysCellId), and detect between self and the source eNB whether have the X2 link, be then to carry out subsequent step.
Step 304, if there is the X2 link, then target eNB sends UE context request (UE CONTEXT REQUST) message to source eNB, to obtain the UE relevant information.
In embodiments of the present invention, the structure of UE context request (UE CONTEXT REQUST) message is as shown in table 1:
| ??IE/Group??Name | ??Presence | ??Range | ??IE?type?and??reference | ??Semantics??description | ??Criticality | ??Assigned??Criticality |
| ??Message??Type | ??M | ??9.2.13 | ??YES | ??reject | ||
| ??New?eNB??UEX2AP?ID | ??M | ??INTEGER??(0..4095) | The newly assigned sign of eNB | ??YES | ??reject | |
| ??Cellldentity | ??BIT??STRING(SIZE??(28)) | UE sends the cell ID that RRC rebuilds upright request | ||||
| ??c-RNTI | ??M | ??BIT?STRING??(SIZE(16)) | Send RRC and rebuild the parameter that upright request is carried | ??YES | ??reject | |
| ??physCellld | ??M | ??INTEGER??(0..503) | Send RRC and rebuild the parameter that upright request is carried | ??YES | ??reject | |
| ??shortMAC-I | ??M | ??BIT?STRING??(SIZE(16) | Send RRC and rebuild the parameter that upright request is carried | ??YES | ??reject |
Table 1
By table 1 as seen, target eNB comprises in the UE context request message that source eNB sends: the newly assigned sign of eNB (New eNBUE X2AP ID), UE send cell ID (CellIdentity, i.e. Target Cell Identifier), Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (c-RNTI), Physical Cell Identifier (PhysCellId) and the short message integrity authentication code authentication parameter (shortMAC-I) that RRC rebuilds upright request.
Step 305, source eNB receives after the UE context request message Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (c-RNTI) according to wherein, Physical Cell Identifier (PhysCellId), Target Cell Identifier (CellIdentity) calculates the message integrity authentication code authentication parameter of a weak point, and the message integrity authentication code authentication parameter of this weak point that calculates and the message integrity authentication code authentication parameter (shortMAC-I) of the weak point in the UE context request message compared, if it is consistent, then checking is passed through, and source eNB sends UE context response (the UE CONTEXT RESPONSE) message of the relevant information of carrying UE to target eNB.
The structure of the UE context response information of the UE relevant information of carrying in the present embodiment, is as shown in table 2:
| ??IE/Group?Name | ??Presence | ??Range | ??IE?type?and??reference | ??Semantics?description | ??Criticality | ??Assigned??Criticality |
| ??Message?Type | ??M | ??9.2.13 | ??YES | ??reject | ||
| ??Old?eNB?UEX2AP?ID | ??M | ??INTEGER??(0..4095) | ??Allocated?at?the?source??eNB | ??YES | ??reject | |
| ??New?eNB?UE??X2AP?ID | ??M | ??INTEGER??(0..4095) | ??Allocated?at?the?target??eNB | ??YES | ??reject | |
| ??GUMMEI | ??M | ??9.2.16 | ??YES | ??reject | ||
| ??UE?Context??Information | ??1 | ??YES | ??reject | |||
| ??＞MME?UE?S1AP?ID | ??M | ??INTEGER??(0..2 32-1) | ??MME?UE?S1AP?ID??allocated?at?the?MME | ??- | ??- | |
| ??＞UE?Security??Capabilities | ??M | ??9.2.29 | ??- | ??- | ||
| ??＞AS?Security??Information | ??M | ??9.2.30 | ??- | ??- | ||
| ??＞UE??Aggregate??Maximum?Bit?Rate | ??M | ??9.2.12 | ??- | ??- | ||
| ??＞Subscriber?Profile??ID?for?RAT/??Frequency?priority | ??O | ??9.2.25 | ??- | ??- | ||
| ??＞E-RABs?To??Be?Setup?List | ??1 | ??- | ??- | |||
| ??＞＞E-RABs?To?Be??Setup?Item | ??1?to??<maxnoof??Bearers> | ??EACH | ??ignore | |||
| ??＞＞＞E-RAB?ID | ??M | ??9.2.23 | ??- | ??- | ||
| ??＞＞＞E-RAB?Level??QoS?Parameters | ??M | ??9.2.9 | ??Inlcudes?necessary??QoS?parameters | ??- | ??- | |
| ??＞＞＞DL?Forwarding | ??O | ??9.2.5 | ??- | ??- |
| ??IE/Group?Name | ??Presence | ??Range | ??IE?type?and??reference | ??Semantics?description | ??Criticality | ??Assigned??Criticality |
| ??＞＞＞UL?GTP?Tunnel??Endpoint | ??M | ??GTP??Tunnel??Endpoint?9.2.1 | ??SGW?endpoint?of?the??S1?transport?bearer.??For?delivery?of?UL??PDUs | ??- | ??- | |
| ??＞RRC?Context | ??M | ??OCTET??STRING | ??Includes?the?RRC??Handover?Preparation??Information?message??as?defined?in?subclause??10.2.2of[9]. | ??- | ??- | |
| ??＞Handover??Restriction?List | ??O | ??9.2.3 | ??- | ??- | ||
| ??＞Location?Reporting??Information | ??O | ??9.2.21 | ??Includes?the?necessary??parameters?for?location??reporting | ??- | ??- | |
| ??UE?History??Information | ??M | ??9.2.38 | ??Same?definition?as?in??[4]. | ??YES | ??ignore | |
| ??Trace?Activation | ??O | ??9.2.2 | ??YES | ??ignore | ||
| ??SRVCC??Operation?Possible | ??O | ??9.2.33 | ??YES | ??ignore |
Table 2
Step 306, target eNB are obtained the relevant information of described UE from the UE context response information, and set up Radio Link (RL) for this UE according to the relevant information of described UE in Target cell.
Step 307, after RL set up successfully, target eNB sent RRC connection re-establishment (RRC Connection Reestablishment) message to UE.
Step 308, UE receives the laggard line correlation of message and handles and return the RRC connection re-establishment to target eNB and finish (RRC Connection Reestablishment Complete) message.
Step 309, after eNB receives that message is finished in the RRC connection re-establishment, according to the UE information distribution resource of obtaining, reprovision RL, and send RRC to UE and connect and reshuffle (RRCConnection Reconfiguration) message.
Step 310, UE carries out relevant treatment after receiving that RRC connects reconfiguration message, and returns RRC to target eNB and connect to reshuffle and finish (RRC ConnectionReconfiguration Complete) message.
Step 311, target eNB receive RRC connect reshuffle finish message after, mobile management entity (MME) transmit path in the packet switching center (EPC) of evolution changes request (PATH SWITCH REQUEST) message, terminating point with the notice descending general packet wireless service tunnel protocol of MME (DL GTP, Down Link GPRS Tunneling Protocol) tunnel changes.
Step 312 after MME handles, changes request to the target eNB return path and confirms (PATH SWITCH REQUEST ACK) message.
After step 313, target eNB are received path changing request acknowledge message, send the UE context to source eNB and discharge (UE CONTEXT RELEASE) message, the source eNB of making discharges the resource that described UE takies.
Arrive this, UE finishes to the flow process that the eNB that does not preserve the UE relevant information initiates RRC connection re-establishment request.
By such scheme as seen, in invention, make target eNB obtain the UE relevant information by two X2 interface message of redetermination (message in the step 304 and 305), do not have to preserve the eNB of UE relevant information in advance thereby make UE to be connected to one, reduced cutting off rate to greatest extent at the upright RRC of reconstruction.
In the step 305 of above-mentioned flow process shown in Figure 3, if source eNB receives the message integrity authentication code authentication parameter that calculates a weak point after the UE context request message according to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (c-RNTI), Physical Cell Identifier (PhysCellId), Target Cell Identifier (CellIdentity) wherein, and after the message integrity authentication code authentication parameter (shortMAC-I) of the message integrity authentication code authentication parameter of this weak point that calculates and the weak point in the UE context request message compared, find inconsistent, authentication failed then.At this moment, source eNB replys UE context failure (UE CONTEXT FAILURE) message to target eNB, after target eNB is received UE context failed message, send RRC connection re-establishment refusal (RRC Connection Reestablishment Reject) message to UE, then RRC connection re-establishment flow process leaves it at that, RRC connection re-establishment failure.
In embodiments of the present invention, the structure of UE context failure (UE CONTEXT FAILURE) message is as shown in table 3:
| ??IE/Group?Name | ??Presence | ??Range | ??IE?type?and??reference | ??Semantics??description | ??Criticality | ??Assigned??Criticality |
| ??Message?Type | ??M | ??9.2.13 | ??YES | ??reject | ||
| ??New?eNB?UE?X2AP??ID | ??M | ??INTEGER??(0..4095) | The newly assigned sign of eNB | ??YES | ??ignore | |
| ??Cause | ??M | ??9.2.6 | ??YES | ??ignore | ||
| ??Criticality??Diagnostics | ??9.2.7 | ??YES | ??ignore |
Table 3
Next provide the structure of a kind of eNB among the present invention based on the foregoing description.
Fig. 4 is the composition structured flowchart of a kind of eNB of the embodiment of the invention.As shown in Figure 4, this eNB comprises: module 401 and acquisition module 502 are set up in the RRC connection, wherein:
Module 401 is set up in the RRC connection, be used to receive the RRC connection re-establishment request message that UE sends, and be transmitted to acquisition module 402, receive the relevant information of described UE from acquisition module 402, and in Target cell, set up Radio Link for this UE according to the relevant information of described UE; Be used for to UE transmission RRC connection re-establishment message, message is finished in the RRC connection re-establishment that reception UE returns, and sends RRC to UE then and connects reconfiguration message, and the RRC connection that reception UE returns is reshuffled and finished message; Be used for sending a notification message to mobile management entity MME;
Acquisition module 402, be used to receive RRC and connect the RRC connection re-establishment message of setting up the module transmission, and judge the relevant information of whether having preserved described UE among this eNB according to the information in this RRC connection re-establishment request message, if do not preserve, then the information of further rebuilding in the upright request message according to RRC is defined as the source eNB that described UE provides service, obtain the relevant information of described UE from source eNB, and send to RRC and connect and to set up module 401.
In eNB as shown in Figure 4, described RRC connects and sets up module 401 and be used for sending a notification message to MME and comprise: described RRC connects and sets up module 401, be used for changing request message to the MME transmit path, terminating point with the descending general packet wireless service tunnel protocol DL of notice MME GTP tunnel changes, and receives the path changing request acknowledge message that MME returns.
In eNB as shown in Figure 4, module 401 is set up in described RRC connection, after MME sends a notification message, is further used for sending UE context release message to source eNB, and the source eNB of making discharges the resource that described UE takies.
In eNB shown in Figure 4, described acquisition module 402, be used for Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Physical Cell Identifier and short message integrity authentication code authentication parameter, the relevant information of in the data of self preserving, searching described UE according to RRC connection re-establishment request message; Be used for determining source eNB according to the Physical Cell Identifier of RRC connection re-establishment request message.
In eNB shown in Figure 4, described acquisition module 402 is used for sending the UE context request message to source eNB, and the UE context response information of the relevant information of carrying UE returned of reception sources eNB.
In eNB shown in Figure 4, described acquisition module 402, be used for sending the UE context request message comprise Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Physical Cell Identifier, Target Cell Identifier and short message integrity authentication code authentication parameter to source eNB, and reception sources eNB checking by after the UE context response information of the relevant information of carrying UE returned;
Wherein, source eNB is according to the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI in the UE context request message, Physical Cell Identifier, Target Cell Identifier calculates the message integrity authentication code authentication parameter of a weak point, and the message integrity authentication code authentication parameter of this weak point that calculates and the message integrity authentication code authentication parameter of the weak point in the UE context request message compared, if it is consistent, source eNB sends the UE context response information of the relevant information of carrying UE again to described acquisition module, if it is inconsistent, then source eNB sends UE context failed message to acquisition module, described acquisition module is transmitted to the RRC connection with UE context failed message and sets up module, is connected by RRC and sets up module to UE transmission RRC connection re-establishment refuse information.
In sum, this UE in the LTE system of the present invention is in the sub-district of source eNB after the activating service, when satisfying certain condition, in the Target cell under the target eNB, send RRC connection re-establishment request message to this target eNB, target eNB is determined source eNB according to the information in this RRC connection re-establishment request message, and obtain the relevant information of described UE from source eNB, this UE sets up Radio Link, thereby the technical scheme of finishing follow-up RRC connection re-establishment process makes the UE in the LTE system can rebuild upright RRC and is connected to an eNB who does not preserve the relevant information of this UE, and then reduced cutting off rate.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (12)
1. a radio resource control RRC connection reconstruction cube method is characterized in that, after the activating service, this method comprises the UE in Long Term Evolution LTE system in the sub-district of source eNB:
Described UE sends RRC connection re-establishment request message to this target eNB in the Target cell under the target eNB;
Target eNB is after receiving described RRC connection re-establishment request message, judge according to the information in this RRC connection re-establishment request message whether self has preserved the relevant information of described UE, if do not preserve, then the information of further rebuilding in the upright request message according to RRC is determined described source eNB;
Target eNB is obtained the relevant information of described UE from source eNB, and sets up Radio Link for this UE according to the relevant information of described UE in Target cell;
Target eNB sends RRC connection re-establishment message to UE, and UE returns the RRC connection re-establishment to target eNB and finishes message; Target eNB sends RRC to UE and connects reconfiguration message, and UE returns RRC to target eNB and connects to reshuffle and finish message;
Target eNB sends a notification message to mobile management entity MME.
2. method according to claim 1 is characterized in that, described target eNB sends a notification message to MME and comprises:
Target eNB changes request message to the MME transmit path, with the terminating point change of the descending general packet wireless service tunnel protocol DL of notice MME GTP tunnel, and receives the path changing request acknowledge message that MME returns.
3. method according to claim 1 and 2 is characterized in that, after mobile management entity MME sent a notification message, this method further comprised in target eNB:
Target eNB sends UE context release message to source eNB, and the source eNB of making discharges the resource that described UE takies.
4. method according to claim 1 and 2 is characterized in that,
Describedly judge that according to the information in this RRC connection re-establishment request message the relevant information of self whether having preserved described UE comprises: target eNB is according to the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI in the RRC connection re-establishment request message, Physical Cell Identifier and short message integrity authentication code authentication parameter, the relevant information of searching described UE in the data of self preserving;
Described information of rebuilding in the upright request message according to RRC determines that described source eNB comprises: target eNB is determined source eNB according to the Physical Cell Identifier in the RRC connection re-establishment request message.
5. method according to claim 1 and 2 is characterized in that, described target eNB comprises from the relevant information that source eNB obtains described UE:
Target eNB sends the UE context request message to source eNB;
Source eNB returns the UE context response information of the relevant information of carrying UE to target eNB.
6. method according to claim 5 is characterized in that,
Comprise in the described UE context request message: Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Physical Cell Identifier, Target Cell Identifier and short message integrity authentication code authentication parameter;
After source eNB sent the UE context request message, and before source eNB sent the UE context response information of the relevant information of carrying UE to target eNB, this method further comprised in target eNB:
Source eNB is according to the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI in the UE context request message, Physical Cell Identifier, Target Cell Identifier calculates the message integrity authentication code authentication parameter of a weak point, and the message integrity authentication code authentication parameter of this weak point that calculates and the message integrity authentication code authentication parameter of the weak point in the UE context request message compared, if it is consistent, source eNB sends the UE context response information of the relevant information of carrying UE again to target eNB, if it is inconsistent, then source eNB sends UE context failed message to target eNB, and target eNB sends RRC connection re-establishment refuse information to UE.
7. an eNB is characterized in that, this eNB comprises: module and acquisition module are set up in the RRC connection, wherein,
RRC connects and to set up module, is used to receive the RRC connection re-establishment request message that UE sends, and is transmitted to acquisition module, receives the relevant information of described UE from acquisition module, and sets up Radio Link for this UE according to the relevant information of described UE in Target cell; Be used for to UE transmission RRC connection re-establishment message, message is finished in the RRC connection re-establishment that reception UE returns, and sends RRC to UE then and connects reconfiguration message, and the RRC connection that reception UE returns is reshuffled and finished message; Be used for sending a notification message to mobile management entity MME;
Acquisition module, be used to receive RRC and connect the RRC connection re-establishment message of setting up the module transmission, and judge the relevant information of whether having preserved described UE among this eNB according to the information in this RRC connection re-establishment request message, if do not preserve, then the information of further rebuilding in the upright request message according to RRC is defined as the source eNB that described UE provides service, obtain the relevant information of described UE from source eNB, and send to RRC and connect and to set up module.
8. eNB according to claim 7 is characterized in that, described RRC connects and sets up module and be used for sending a notification message to MME and comprise:
Module is set up in described RRC connection, is used for changing request message to the MME transmit path, with the terminating point change of the descending general packet wireless service tunnel protocol DL of notice MME GTP tunnel, and receives the path changing request acknowledge message that MME returns.
9. according to claim 7 or 8 described eNB, it is characterized in that,
Module is set up in described RRC connection, after MME sends a notification message, is further used for sending UE context release message to source eNB, and the source eNB of making discharges the resource that described UE takies.
10. according to claim 7 or 8 described eNB, it is characterized in that,
Described acquisition module is used for Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Physical Cell Identifier and short message integrity authentication code authentication parameter according to RRC connection re-establishment request message, the relevant information of searching described UE in the data of self preserving; Be used for determining source eNB according to the Physical Cell Identifier of RRC connection re-establishment request message.
11., it is characterized in that according to claim 7 or 8 described eNB
Described acquisition module is used for sending the UE context request message to source eNB, and the UE context response information of the relevant information of carrying UE returned of reception sources eNB.
12. eNB according to claim 11 is characterized in that,
Described acquisition module, be used for sending the UE context request message comprise Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Physical Cell Identifier, Target Cell Identifier and short message integrity authentication code authentication parameter to source eNB, and reception sources eNB checking by after the UE context response information of the relevant information of carrying UE returned;
Wherein, source eNB is according to the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI in the UE context request message, Physical Cell Identifier, Target Cell Identifier calculates the message integrity authentication code authentication parameter of a weak point, and the message integrity authentication code authentication parameter of this weak point that calculates and the message integrity authentication code authentication parameter of the weak point in the UE context request message compared, if it is consistent, source eNB sends the UE context response information of the relevant information of carrying UE again to described acquisition module, if it is inconsistent, then source eNB sends UE context failed message to acquisition module, described acquisition module is transmitted to the RRC connection with UE context failed message and sets up module, is connected by RRC and sets up module to UE transmission RRC connection re-establishment refuse information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582660A CN101848536B (en) | 2010-04-28 | 2010-04-28 | Radio resource control connection reestablishment method and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582660A CN101848536B (en) | 2010-04-28 | 2010-04-28 | Radio resource control connection reestablishment method and base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101848536A true CN101848536A (en) | 2010-09-29 |
| CN101848536B CN101848536B (en) | 2012-09-05 |
Family
ID=42772953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101582660A Expired - Fee Related CN101848536B (en) | 2010-04-28 | 2010-04-28 | Radio resource control connection reestablishment method and base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101848536B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480796A (en) * | 2010-11-23 | 2012-05-30 | 中兴通讯股份有限公司 | Method and system for realizing connection reestablish of radio resource control protocol |
| CN103220736A (en) * | 2012-01-19 | 2013-07-24 | 联芯科技有限公司 | Selection method and device for re-established target cell of RRC connection re-establishment |
| CN103782628A (en) * | 2013-04-18 | 2014-05-07 | 华为技术有限公司 | Communication method, apparatus and system |
| CN107046737A (en) * | 2016-02-05 | 2017-08-15 | 宏达国际电子股份有限公司 | The device and method of processing system information |
| CN107295515A (en) * | 2016-04-01 | 2017-10-24 | 北京三星通信技术研究有限公司 | A kind of method and device for supporting that user equipment (UE) context recovers between base station |
| WO2018090910A1 (en) * | 2016-11-21 | 2018-05-24 | 华为技术有限公司 | Method and device for recovering radio downlink failure |
| CN108377518A (en) * | 2016-11-04 | 2018-08-07 | 中兴通讯股份有限公司 | A kind of connection re-establishment method and device, electronic equipment |
| CN108599902A (en) * | 2018-02-13 | 2018-09-28 | 广东欧珀移动通信有限公司 | Reduce method, apparatus, user equipment and the storage medium of communication delay |
| CN109644354A (en) * | 2018-03-20 | 2019-04-16 | Oppo广东移动通信有限公司 | A kind of integrity verification method, the network equipment, UE and computer storage medium |
| CN109803258A (en) * | 2017-11-16 | 2019-05-24 | 华为技术有限公司 | A kind of request restores the method and device of connection |
| CN109874301A (en) * | 2016-08-12 | 2019-06-11 | 华为技术有限公司 | Communication means, device and system |
| WO2019161545A1 (en) * | 2018-02-23 | 2019-08-29 | Oppo广东移动通信有限公司 | Integrity verification method, network device, terminal device and computer storage medium |
| WO2019214606A1 (en) * | 2018-05-09 | 2019-11-14 | 夏普株式会社 | Control method in user equipment, and user equipment |
| CN110771205A (en) * | 2017-06-15 | 2020-02-07 | 高通股份有限公司 | Refreshing security keys in 5G wireless systems |
| WO2020030176A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Data transmission method and device |
| CN111316701A (en) * | 2017-11-17 | 2020-06-19 | 中兴通讯股份有限公司 | Handover-based connection recovery techniques |
| US10721657B2 (en) | 2015-09-30 | 2020-07-21 | Huawei Technologies Co., Ltd. | Method, system, and related device for obtaining user equipment context information |
| US20210014743A1 (en) * | 2012-12-24 | 2021-01-14 | Samsung Electronics Co., Ltd. | Method and system for supporting fast recovery of user equipment |
| WO2021169873A1 (en) * | 2020-02-28 | 2021-09-02 | 华为技术有限公司 | Communication method, communication apparatus, and communication system |
| US20220124495A1 (en) * | 2018-04-04 | 2022-04-21 | Samsung Electronics Co., Ltd. | Method and device for authenticating ue |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1531356A (en) * | 2003-03-10 | 2004-09-22 | ���Ͽع�����˾ | Method for wireless log on mobile control and path searching between region control function bodies |
| CN1972501A (en) * | 2005-11-25 | 2007-05-30 | 展讯通信（上海）有限公司 | Method for reducing time delay established by calling in mobile communication system |
| CN101409606A (en) * | 2008-08-11 | 2009-04-15 | 美商威睿电通公司 | Device and method for rebuilding connection in mobile communication system environment |
-
2010
- 2010-04-28 CN CN2010101582660A patent/CN101848536B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1531356A (en) * | 2003-03-10 | 2004-09-22 | ���Ͽع�����˾ | Method for wireless log on mobile control and path searching between region control function bodies |
| CN1972501A (en) * | 2005-11-25 | 2007-05-30 | 展讯通信（上海）有限公司 | Method for reducing time delay established by calling in mobile communication system |
| CN101409606A (en) * | 2008-08-11 | 2009-04-15 | 美商威睿电通公司 | Device and method for rebuilding connection in mobile communication system environment |
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480796A (en) * | 2010-11-23 | 2012-05-30 | 中兴通讯股份有限公司 | Method and system for realizing connection reestablish of radio resource control protocol |
| CN103220736A (en) * | 2012-01-19 | 2013-07-24 | 联芯科技有限公司 | Selection method and device for re-established target cell of RRC connection re-establishment |
| CN103220736B (en) * | 2012-01-19 | 2016-12-14 | 联芯科技有限公司 | The reconstruction object cell selection method of RRC connection reconstruction and device |
| US20210014743A1 (en) * | 2012-12-24 | 2021-01-14 | Samsung Electronics Co., Ltd. | Method and system for supporting fast recovery of user equipment |
| US11743788B2 (en) * | 2012-12-24 | 2023-08-29 | Samsung Electronics Co., Ltd. | Method and system for supporting fast recovery of user equipment |
| CN103782628A (en) * | 2013-04-18 | 2014-05-07 | 华为技术有限公司 | Communication method, apparatus and system |
| US10721657B2 (en) | 2015-09-30 | 2020-07-21 | Huawei Technologies Co., Ltd. | Method, system, and related device for obtaining user equipment context information |
| CN107046737A (en) * | 2016-02-05 | 2017-08-15 | 宏达国际电子股份有限公司 | The device and method of processing system information |
| CN107295515B (en) * | 2016-04-01 | 2022-07-19 | 北京三星通信技术研究有限公司 | Method and device for supporting context recovery of User Equipment (UE) between base stations |
| CN107295515A (en) * | 2016-04-01 | 2017-10-24 | 北京三星通信技术研究有限公司 | A kind of method and device for supporting that user equipment (UE) context recovers between base station |
| US11457385B2 (en) | 2016-08-12 | 2022-09-27 | Huawei Technologies Co., Ltd. | Communication method, apparatus, and system |
| CN109874301A (en) * | 2016-08-12 | 2019-06-11 | 华为技术有限公司 | Communication means, device and system |
| CN108377518B (en) * | 2016-11-04 | 2023-01-13 | 中兴通讯股份有限公司 | Connection reestablishment method and device and electronic equipment |
| CN108377518A (en) * | 2016-11-04 | 2018-08-07 | 中兴通讯股份有限公司 | A kind of connection re-establishment method and device, electronic equipment |
| US10993278B2 (en) | 2016-11-21 | 2021-04-27 | Huawei Technologies Co., Ltd. | Method and apparatus for recovering from radio downlink failure |
| WO2018090910A1 (en) * | 2016-11-21 | 2018-05-24 | 华为技术有限公司 | Method and device for recovering radio downlink failure |
| US11503461B2 (en) | 2017-06-15 | 2022-11-15 | Qualcomm Incorporated | Refreshing security keys in 5G wireless systems |
| CN110771205A (en) * | 2017-06-15 | 2020-02-07 | 高通股份有限公司 | Refreshing security keys in 5G wireless systems |
| CN110771205B (en) * | 2017-06-15 | 2022-03-29 | 高通股份有限公司 | Refreshing security keys in 5G wireless systems |
| CN109803258A (en) * | 2017-11-16 | 2019-05-24 | 华为技术有限公司 | A kind of request restores the method and device of connection |
| US11627623B2 (en) | 2017-11-16 | 2023-04-11 | Huawei Technologies Co., Ltd. | Connection resume request method and apparatus |
| US11343738B2 (en) | 2017-11-17 | 2022-05-24 | Zte Corporation | Handover-based connection resume technique |
| CN111316701A (en) * | 2017-11-17 | 2020-06-19 | 中兴通讯股份有限公司 | Handover-based connection recovery techniques |
| CN111316701B (en) * | 2017-11-17 | 2022-07-15 | 中兴通讯股份有限公司 | Handover-based connection recovery techniques |
| CN108599902A (en) * | 2018-02-13 | 2018-09-28 | 广东欧珀移动通信有限公司 | Reduce method, apparatus, user equipment and the storage medium of communication delay |
| WO2019161545A1 (en) * | 2018-02-23 | 2019-08-29 | Oppo广东移动通信有限公司 | Integrity verification method, network device, terminal device and computer storage medium |
| CN109644354A (en) * | 2018-03-20 | 2019-04-16 | Oppo广东移动通信有限公司 | A kind of integrity verification method, the network equipment, UE and computer storage medium |
| CN109644354B (en) * | 2018-03-20 | 2021-10-26 | Oppo广东移动通信有限公司 | Integrity verification method, network equipment, UE and computer storage medium |
| US12047776B2 (en) * | 2018-04-04 | 2024-07-23 | Samsung Electronics Co., Ltd. | Method and device for authenticating UE |
| US20230354024A1 (en) * | 2018-04-04 | 2023-11-02 | Samsung Electronics Co., Ltd. | Method and device for authenticating ue |
| US20220124495A1 (en) * | 2018-04-04 | 2022-04-21 | Samsung Electronics Co., Ltd. | Method and device for authenticating ue |
| US11696132B2 (en) * | 2018-04-04 | 2023-07-04 | Samsung Electronics Co., Ltd. | Method and device for authenticating UE |
| WO2019214606A1 (en) * | 2018-05-09 | 2019-11-14 | 夏普株式会社 | Control method in user equipment, and user equipment |
| WO2020030176A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Data transmission method and device |
| US11696191B2 (en) | 2018-08-10 | 2023-07-04 | Huawei Technologies Co., Ltd. | Method and device to implement data transmission between a source base station and a target base station in a re-establishment procedure between a terminal device and the target base station |
| CN113242578A (en) * | 2018-08-10 | 2021-08-10 | 华为技术有限公司 | Method and device for data transmission |
| CN110831083A (en) * | 2018-08-10 | 2020-02-21 | 华为技术有限公司 | Method and device for data transmission |
| CN110831083B (en) * | 2018-08-10 | 2021-03-23 | 华为技术有限公司 | Method and device for data transmission |
| WO2021169873A1 (en) * | 2020-02-28 | 2021-09-02 | 华为技术有限公司 | Communication method, communication apparatus, and communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101848536B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101848536B (en) | Radio resource control connection reestablishment method and base station | |
| US20230284102A1 (en) | Light-Weight RRC Connection Setup in Multi-RAT Network | |
| CN101848553B (en) | Reestablishing method of RRC (Radio Resource Control) connection in LTE (Long Term Evolution) system and base station | |
| US11076443B2 (en) | Radio resource control RRC message processing method, apparatus, and system | |
| US10433188B2 (en) | Control apparatus, base station apparatus, radio terminal, and method for updating neighbour relation table | |
| CN102388654B (en) | A kind of service restoration method of cordless communication network, Apparatus and system | |
| CN102143539B (en) | Method and system for acquiring context of terminal | |
| EP2963966A1 (en) | Radio communication system, ratio station, radio terminal, communication control method, and non-temporary computer-readable medium | |
| CN111757557A (en) | Method for supporting access to closed network, UE, base station and readable storage medium | |
| CN104581843A (en) | Method of Handling Handover for Network of Wireless Communication System and Communication Device Thereof | |
| CN103687053A (en) | Connection reestablishment method and device | |
| CN102238664B (en) | Method and system for rejecting radio resource connection reestablish during base station handover | |
| CN102045713A (en) | Business connection reestablishment method and system | |
| CN102036328B (en) | Method and system for processing unsuccessful business preparation during S1 switching | |
| CN102404809A (en) | Method and system for transferring data transmission channel | |
| CN102457941B (en) | Method for initiating connection re-establishment of radio resource controller and terminal | |
| CN106604337A (en) | RRC connection rebuilding method and system | |
| CN103634930A (en) | Radio resource control connection and reestablishment method | |
| CN108307452A (en) | Connect restoration methods and device, base station, user terminal | |
| US20170006520A1 (en) | Handover method, terminal, base station, and system | |
| CN104581859A (en) | Wireless communication business processing method and device | |
| CN101883430B (en) | Radio resource control (RRC) connection reestablishment method | |
| US11570616B2 (en) | Provide EPS security capability and receive eps security algorithm information in 5GS | |
| CN105407541A (en) | Business recovery method, device and system of radio communication network | |
| CN105636240A (en) | Wireless network controller, method and device for removing links in core network, and controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170829 Address after: 100070, No. 188, building 25, No. eighteen, South Fourth Ring Road, Fengtai District, Beijing, 1, 101 Patentee after: Beijing Haiyun Technology Co.,Ltd. Address before: 510663, No. 3, color road, Science City, Guangzhou Development Zone, Guangdong Patentee before: NEW POSTCOM EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 |