CN102227948A - Method, base station and user equipment for connection reestablishment - Google Patents
Method, base station and user equipment for connection reestablishment Download PDFInfo
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- CN102227948A CN102227948A CN2009801471432A CN200980147143A CN102227948A CN 102227948 A CN102227948 A CN 102227948A CN 2009801471432 A CN2009801471432 A CN 2009801471432A CN 200980147143 A CN200980147143 A CN 200980147143A CN 102227948 A CN102227948 A CN 102227948A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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Abstract
A method, base station and user equipment (UE) for connection reestablishment are provided. The method includes that: a Radio Resource Control (RRC) connection reestablishment request message or an RRC connection reestablishment complete message is transmitted, meanwhile, measurement results of one or more composition carriers are provided for the base station; and information of one or more composition carriers configured by the base station for the UE is obtained. With the invention, the UE does not have to send the measurement results of the composition carriers to the base station after receiving an RRC connection re-configuration message, therefore, the time delay of connection reestablishment is reduced.
Description
A kind of connection reconstruction cube method, base station and user equipment technical field
The present invention relates to communication technical field, more particularly to a kind of connection reconstruction cube method, base station and user equipment.
Background technology
In LTE (Long Term Evolution, Long Term Evolution）In communication system, UE (User Equipment, user equipment）Need in some cases to eNB (eNodB, evolution base station）Connection re-establishment (Connection Reestablishment) process of execution.I.e. a kind of process of Stochastic accessing of connection re-establishment process, i.e. UE recovers to be connected by way of Stochastic accessing with base station.For example, UE is performing RRC (Radio Resource Control, wireless heterogeneous networks）Connection is reconfigured（RRC Connection Reconfiguration) process is when occurring failure, or UE is when performing handoff procedure failure, or other Radio Link Failure occur for UE（RLF, Radio Link Failure) when, it is required for re-establishing connection to base station requests.During entirely connection is re-established, UE completes RRC connection re-establishment processes first, and send RRC connection re-establishment completion messages to base station, base station sends RRC connection reconfiguration messages then to UE, it is that UE configures relevant parameter using the RRC connections reconfiguration message, UE is then measured obtained measurement result and reports base station.If in LTE-A (LTE-Advance, the evolution of Long Term Evolution）In system, UE may set up connection over a number of carriers, and now UE needs the measurement result by multiple carrier waves to report base station.Base station is after the measurement result of correlated carrier wave is obtained, QoS (Quality of Service, service quality based on UE）It is that UE configures correlated carrier wave etc. parameter.
At least there is following defect in prior art：UE is needed after RRC connection reconfiguration messages are received, and the measurement result of at least one carrier wave is reported into base station, and then eNB could further configure other component carriers for UE, and this will increase the time delay of whole connection re-establishment process.
The content of the invention
The embodiment of the present invention provides a kind of connection reconstruction cube method, base station and user equipment, to reduce the time delay that connection is set up.
The embodiment of the present invention provides a kind of connection reconstruction cube method, including：
While the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is supplied to base station；
Obtain the information for one or more component carriers that the base station is user device configuration.
The embodiment of the present invention also provides a kind of connection reconstruction cube method, including：
While the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is obtained；
The information of one or more component carriers for user device configuration is supplied to the user equipment.The embodiment of the present invention also provides a kind of user equipment, including：
Measurement result provides unit, for while the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers to be supplied into base station；
Configuration information acquiring unit, the information for obtaining one or more component carriers that the base station is user device configuration.
The embodiment of the present invention also provides a kind of base station, including：
Measurement result receiving unit, for while the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message, obtaining the measurement result of one or more component carriers；Configuration information provides unit, for the information of one or more component carriers for user device configuration to be supplied into the user equipment.
From such scheme, while the vertical request message of transmission radio resource control connection reestablishment of the embodiment of the present invention or radio resource control connection reestablishment found completion message, the measurement result of one or more component carriers is supplied to base station, the measurement result of component carrier need not be sent to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of connection re-establishment.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention；
Fig. 8 is a kind of schematic diagram of user equipment provided in an embodiment of the present invention；
Fig. 9 is a kind of schematic diagram of base station equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention is described in detail.It should be noted that following examples are only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment of the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
In the connection reconstruction cube method of the embodiment of the present invention, while the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is supplied to base station；And the information for one or more component carriers that the base station is user device configuration is obtained accordingly.The measurement result of component carrier need not be sent to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of recovery is connected on UE component carriers.For ease of understanding, it is explained below in conjunction with the accompanying drawings.
Fig. 1 is a kind of schematic diagram of connection reconstruction cube method provided in an embodiment of the present invention, and methods described includes：
S11 :While transmission radio resource control connection reestablishment founds request message, by one or more groups
Measurement result into carrier wave is supplied to base station；
S12:Obtain the information for one or more component carriers that the base station is user device configuration.
The present embodiment is while RRC connection re-establishment request messages are sent, the measurement result of one or more component carriers is supplied to base station, to obtain information of the base station as one or more component carriers of user device configuration, measurement result without sending component carrier to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of connection re-establishment.
Further, it is described while transmission radio resource control connection reestablishment founds request message, it is supplied to base station may include the measurement result of one or more component carriers：Radio resource control connection reestablishment is found into request message and is sent to base station, and carries in the radio resource control connection reestablishment founds request message the measurement result of component carrier；Or, the measurement result of one or more component carriers will be sent to by base station by another message X while transmission radio resource control connection reestablishment founds request message.Another message X is to be different from other message that radio resource control connection reestablishment founds request message, and to the particular type or title of another message X, the present embodiment is without limiting.
Further, before the vertical request message of radio resource control connection reestablishment is sent, methods described also includes：Judge whether the user equipment needs to recover communication on multiple component carriers, if it is, selecting a lead code to be sent to the base station in leading code character B, to indicate the base station as user equipment distribution B class transmission bandwidth resources；If it is not, then selecting a lead code to be sent to the base station in leading code character A, to indicate the base station as user equipment distribution A class transmission bandwidth resources, the A classes transmission bandwidth is less than B class transmission bandwidths.Correspondingly, the measurement result by one or more component carriers is supplied to base station to include：The measurement result of one or more component carriers is supplied to base station using the bandwidth resources that base station is user equipment distribution.If user equipment needs to recover communication on multiple component carriers, it may subsequently need to use bigger transmission bandwidth, therefore corresponding lead code can be selected according to the amount of bandwidth subsequently needed to use, indicates that base station is that user equipment distributes suitable bandwidth using selected lead code.
It is appreciated that preamble region is divided into different groups and the limitation of the process of lead code not to the present embodiment is selected from different groups, as long as base station, which is the bandwidth resources that user equipment is distributed, disclosure satisfy that user equipment
Use demand.
A kind of in the specific implementation, the information for obtaining one or more component carriers that the base station is user device configuration can further comprise：While reception radio resource control connection reestablishment founds message, information of the base station for one or more component carriers of user device configuration is obtained.Further, the process may include：Receive radio resource control connection reestablishment and found message, the radio resource control connection reestablishment founds the information that one or more component carriers that the base station is user device configuration are carried in message；Or, when reception radio resource control connection reestablishment founds message, receive the information that one or more component carriers that the base station is user device configuration are carried in first message Y, the first message Y.The first message Y is to be different from other message that radio resource control connection reestablishment founds message, and to the particular type or title of the first message Y, the present embodiment is without limiting.Further, this method may also include：While transmission radio resource control connection reestablishment founds completion message, component carrier is reconfigured into completion configured information and is supplied to the base station, specifically be may include：Send radio resource control connection reestablishment and found completion message, the transmission radio resource control connection reestablishment, which stands to carry component carrier in completion message and reconfigure, completes configured information；Or while transmission radio resource control connection reestablishment founds completion message, component carrier is reconfigured by completion configured information by the 4th message Z and is supplied to the base station, the 4th message Z is to be different from other message that radio resource control connection reestablishment founds completion message, to the particular type or title of the 4th message Z, the present embodiment is without limiting.
Another in the specific implementation, the information for obtaining one or more component carriers that the base station is user device configuration can further comprise：While wireless resource control connection reconfiguration message is received, information of the base station for one or more component carriers of user device configuration is obtained.Further, the process may include：Receive the information that one or more component carriers that the base station is user device configuration are carried in wireless resource control connection reconfiguration message, the wireless resource control connection reconfiguration message；Or, when receiving wireless resource control connection reconfiguration message, receive the information that one or more component carriers that the base station is user device configuration are carried in the second message M, the second message M.The second message M is other message different from wireless resource control connection reconfiguration message, to the second message M's
Particular type or title, the present embodiment is without limiting.
Further, the measurement result by one or more component carriers is supplied to base station may include：The measurement result of multiple component carriers is ranked up by signal quality, the identifier of multiple component carriers after sequence is supplied to base station；Or, the measurement result of multiple component carriers is ranked up by signal quality, the identifier that signal quality is more than to one or more component carriers of pre-determined threshold is supplied to base station.Because the component carrier that user equipment is measured may have multiple, component carrier can be ranked up according to the signal quality of measurement, the identifier of component carrier after sequence is supplied to base station, sequence that base station can be based on signal quality and the QoS parameter of user equipment etc. are needed for user device configuration component carrier.By reporting component carrier identifier after sequence, user equipment can need not will measure obtained specific metrical information reporting base station, and base station can configure component carrier according only to the sequence of identifier.User equipment also can a selection signal quality be more than pre-determined threshold component carrier, upper " the identifier of selected component carrier; without the identifier of the component carrier of poor signal quality is reported into base station so that base station can be according to this part identifier configuration component carrier reported.
Fig. 2 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention, and methods described includes：
S21 :While reception radio resource control connection reestablishment founds request message, the measurement result of one or more component carriers is obtained；
S22:The information of one or more component carriers for user device configuration is supplied to the user equipment.
The present embodiment is while reception radio resource control connection reestablishment founds request message, obtain the measurement result of one or more component carriers from user equipment, with the information for the component carrier that configuration is provided to user equipment, measurement result without receiving component carrier after RRC connection reconfiguration messages are sent, it is possible to decrease the time delay of connection re-establishment.
It is described while receiving radio resource control connection reestablishment and founding request message, obtaining the measurement result of one or more component carriers can further comprise：Receive radio resource control connection reestablishment and found request message, institute
State radio resource control connection reestablishment and found the measurement result that component carrier is carried in request message；Or, while reception radio resource control connection reestablishment founds request message, receive the measurement result that component carrier is carried in another message X, another message X.
Further, methods described may also include：Receive the lead code that the user equipment is sent；It is the user equipment distribution B class transmission bandwidth resources when the lead code belongs to leading code character B；It is the user equipment distribution A class transmission bandwidth resources when the lead code belongs to leading code character A, the A classes transmission bandwidth is less than B class transmission bandwidths.Further, it is that the user equipment distribution B class transmission bandwidth resources include：By the way of transmission time interval bonding, the bandwidth resources in multiple Transmission Time Intervals are bound together and distribute to the user equipment.
A kind of in the specific implementation, the information of one or more component carriers by for user device configuration is supplied to the user equipment to include：While transmission radio resource control connection reestablishment founds message, the information of one or more component carriers for user device configuration is supplied to the user equipment.Specifically it may include：Send radio resource control connection reestablishment and found message to the user equipment, and the information that one or more component carriers for user device configuration are carried in message is found in the radio resource control connection reestablishment；Or, while transmission radio resource control connection reestablishment founds message, first message Y is sent to the user equipment, the information of one or more component carriers of promising user device configuration is carried in first message Y.
Another in the specific implementation, the information of one or more component carriers by for user device configuration is supplied to the user equipment to include：While wireless resource control connection reconfiguration message is sent, the information of one or more component carriers for user device configuration is supplied to the user equipment.Specifically it may include：Wireless resource control connection reconfiguration message is sent to the user equipment, and the information for the one or more component carriers for being user device configuration is carried in the wireless resource control connection reconfiguration message；Or, while wireless resource control connection reconfiguration message is sent, the second message M is sent to the user equipment, the information of one or more component carriers of promising user device configuration is carried in the second message M.
Fig. 3 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention, and methods described includes：
S31：User equipment sends random access lead code to base station.
Before RRC connection re-establishments are carried out, UE judges whether to need to recover communication on multiple component carriers, if it is, selecting a preamble from preamble groups B;Otherwise, a preamble is selected to be sent to eNB from Preamble groups A.Random access lead code (preamble) is sent on uplink random access channel, for UE, alternative Preamble can be divided into two groups, i.e. leading code character A (preamble group A) and leading code character B (Preamble group B), the different bandwidth resources of different leading code characters correspondences, the corresponding bandwidth resources of generally leading code character B are bigger.When UE needs big bandwidth resources to send message, with regard to the lead code in selection group B to apply for big bandwidth resources to eNB, when UE only needs to small bandwidth resources, with regard to the lead code in selection group A.That is, two groups of lead codes indicate the size for the bandwidth resources that UE needs are utilized.UE sends what type of preamble and amount of bandwidth can flexibly determined according to needed for follow-up UE herein, if it is more that follow-up UE needs the component carrier reported to eNB to measure message, for example need to report the measurement result of multiple carrier waves, UE can select preamble to be sent to eNB from preamble groups B, to apply for big bandwidth resources.
S32:Base station sends accidental access response message to user equipment.
ENB is detected after the preamble of UE transmissions, can determine whether preamble type, if the preamble received belongs to preamble group B, shows that UE needs big transmission bandwidth, now big transmission bandwidth can need to be distributed for UE according to UE；If the preamble received belongs to preamble group A, show that UE does not need big transmission bandwidth, then only need to distribute less transmission bandwidth for UE.The information of the transmission bandwidth distributed can be carried at transmission in accidental access response message.When distributing big transmission bandwidth for UE, transmission time interval bonding can be used in eNB（ TTI bundling：Transmitting Time Interval bundling) mode, that is the bandwidth resources in multiple Transmission Time Intervals can be bound together and distribute to UE by eNB, and the binding information carrying of the bandwidth resources is sent to UE in accidental access response message, the present embodiment is to this without limiting.
S33:The measurement result of one or more component carriers is supplied to base station by user equipment while transmission radio resource control connection reestablishment founds request message.
UE is received after accidental access response message, and the transmission bandwidth distributed using eNB in accidental access response message sends RRC connection re-establishment request messages to eNB, and the measurement result of one or more component carriers is supplied into eNB.User equipment can determine that the size for the transmission bandwidth that base station is distributed in accidental access response message, if the transmission bandwidth can be used in transmitting the measurement result of RRC connection re-establishments request message and UE on one or more component carriers, the two is supplied to base station in the lump.A kind of in the specific implementation, UE can carry the measurement result for measuring obtained one or more component carriers is sent to eNB in RRC connection re-establishment request messages.Another in the specific implementation, UE also can be sent to eNB in the lump using the measurement result of one or more component carriers as a single message, and RRC connection re-establishment request messages, the present embodiment is to this without limiting.UE is that the bandwidth resources distributed using eNB send RRC connection re-establishments request message and component carrier measurement result herein.If UE needs to report the measurement result of multiple component carriers, it may be necessary to big transmission bandwidth, then in preamble groups B preamble can be selected to be sent to eNB in process S31 before, to apply for big transmission bandwidth.
In actual applications, UE can obtain the measurement result of multiple component carriers by measurement, and the quality that multiple component carriers are shown according to measurement result is ranked up, then by the identifier of these component carriers after sequence（Index) it is sent to eNB.The Index of which part component carrier also only can be supplied to base station by UE, to reduce bandwidth demand when sending measurement result.Specifically, UE can also from sorted component carrier selection signal quality it is preferable（Higher than one predetermined threshold value of such as signal quality) one or more component carriers, and the index of selected component carrier is sent to eNB.Measurement result described in the present embodiment can be RSRP (the Reference Signal Received Power, Reference Signal Received Power measured on one or more component carriers）, RSRQ (Reference Signal Received Quality, Reference Signal Received Quality）, RSCP (Received Signal Code Power, received signal code power）With RSSI (Received Signal Strength Indicator, received signal strength indicator）It is one or more etc. measurement result or obtained CQI (Channel Quality Indicator, CQI is measured on one or more component carriers）The average value of value or corresponding cqi value within a period of time.
S34:Base station sends to user equipment and strives solution message unexpectedly.If a UE access eNB success, eNB
It is transmittable to strive solution message unexpectedly, and the identifier that carries the UE that is successfully accessed is striven in solution message unexpectedly in the transmission, indicate UE Stochastic accessings success.
S35:Base station sends the vertical message of radio resource control connection reestablishment to user equipment and is the information of one or more component carriers of the user device configuration.
ENB can be based on UE>The measurement result of one or more component carriers and UE QoS the other specification such as need to be that UE configures component carrier, and the component carrier information of configuration is supplied to UE, the component carrier of the configuration can be one or more carrier waves in the component carrier of report measurement results.A kind of in the specific implementation, eNB can be carried in the RRC connection re-establishment message of transmission as the information of the UE component carriers configured.Another in the specific implementation, the information of the component carrier of the configuration and RRC connection re-establishment message are sent to UE by eNB in the lump using a single message.The information of the component carrier of the configuration, the frequency information or bandwidth information of the identification information that eNB is the component carrier that UE is configured, such as CC index, or relevant components carrier wave can be included, or the other specification configuration information of component carrier etc., the present embodiment is to this without limiting.In process S33, UE can send the RRC connection re-establishments request message on a certain component carrier A of its measurement, correspondingly, in S35, eNB can increase one or more component carriers newly on the basis of component carrier A, and newly-increased component carrier information is notified to UE.
S36:User equipment sends radio resource control connection reestablishment to base station and founds completion message.
UE can carry the configured information that the configuration of relevant components carrier wave is completed in the RRC connection re-establishment completion messages of transmission；Certainly, UE can also use single message to complete the configuration to the component carrier to eNB reports UE, and the present embodiment is to this without limiting.
It should be noted that, in this embodiment, described in the one or more component carriers of user device configuration " configuration ", refers in addition to the component carrier used during UE performs Stochastic accessing, is the increased other one or more component carriers of UE；Or, refer to component carrier used in UE execution random access procedures being replaced with other one or more component carriers.UE can activate now the component carrier and be used after one or more component carriers of the configuration are received, namely from the point of view of UE, the component carrier for receiving configuration is intended to while activating the component carrier；In addition,
UE can also be that the instruction based on eNB decides whether that activating now the component carrier is used, or can also determine when to activate the component carrier of the configuration based on a timer or a trigger event, and the present embodiment do not limited this.
In the present embodiment, UE passes through while RRC connection re-establishment request messages are sent, the measurement result of one or more component carriers is supplied to base station, measurement result without sending component carrier to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of connection re-establishment.
The corresponding embodiments of Fig. 3 can be deformed suitably, as base station can not send the component carrier information for the user device configuration when sending RRC connection re-establishment message, but the component carrier information for the user device configuration is sent when sending RRC connection reconfiguration messages, for ease of understanding, cylinder is carried out below in conjunction with the accompanying drawings to be illustrated.Fig. 4 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention, and in the process, S41 to S44 process is identical with S31 to S34, and methods described also includes：
S45:Base station sends radio resource control connection reestablishment to user equipment and founds message.
S46:User equipment sends radio resource control connection reestablishment to base station and founds completion message.
S47:Base station sends wireless resource control connection reconfiguration message and one or more component carrier information for the user device configuration to user equipment.
S48:User equipment sends wireless resource control connection reconfiguration completion message to base station.UE can carry the configured information that the configuration of relevant components carrier wave is completed in the RRC connections of transmission reconfigure completion message；UE can also be used single message and report that the UE has completed the configuration to the component carrier to eNB.
The difference of the corresponding embodiments of Fig. 4 and Fig. 3 embodiments is, base station provides configured component carrier information to UE when sending RRC connection reconfiguration messages, the opportunity for sending the configuration information of component carrier is different, still can reach the effect of the time delay of reduction connection re-establishment.Skilled artisans appreciate that, above-described embodiment can be by deformation, while transmission radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is supplied to base station, the same measurement result for sending component carrier to base station after RRC connection reconfiguration messages are received without UE, it is possible to decrease the time delay of connection re-establishment.5 pairs of such cases, which carry out cylinder, below in conjunction with the accompanying drawings to illustrate, Fig. 5 is another connection provided in an embodiment of the present invention
The schematic diagram of reconstruction method, methods described includes：
S51 :While transmission radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is supplied to base station；
S52:Obtain the information for one or more component carriers that the base station is user device configuration.
The present embodiment is while RRC connection re-establishment completion messages are sent, the measurement result of one or more component carriers is supplied to base station, to obtain information of the base station as one or more component carriers of user device configuration, measurement result without sending component carrier to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of connection re-establishment.
Further, it is described while transmission radio resource control connection reestablishment founds completion message, it is supplied to base station may include the measurement result of one or more component carriers：Radio resource control connection reestablishment is found into completion message and is sent to base station, and carries in the radio resource control connection reestablishment founds completion message the measurement result of component carrier；Or, the measurement result of one or more component carriers will be sent to by base station by the 3rd message N while transmission radio resource control connection reestablishment founds completion message.The 3rd message N is to be different from other message that radio resource control connection reestablishment founds completion message, and to the particular type or title of the 3rd message N, the present embodiment is without limiting.
Further, obtain the base station may include for the information of one or more component carriers of user device configuration：While wireless resource control connection reconfiguration message is received, information of the base station for one or more component carriers of user device configuration is obtained.Further, the process may include：Receive the information that one or more component carriers that the base station is user device configuration are carried in wireless resource control connection reconfiguration message, the wireless resource control connection reconfiguration message；Or, when receiving wireless resource control connection reconfiguration message, receive the information that one or more component carriers that the base station is user device configuration are carried in the second message M, the second message M.The second message M is other message different from wireless resource control connection reconfiguration message, and to the particular type or title of the second message M, the present embodiment is without limiting.
It should be noted that being institute in the one or more component carriers of user device configuration in this embodiment
" configuration " is stated, refers in addition to the component carrier used during UE performs Stochastic accessing, is the increased other one or more component carriers of UE；Or, refer to component carrier used in UE execution random access procedures being replaced with other one or more component carriers.UE can activate now the component carrier and be used after one or more component carriers of the configuration are received, namely from the point of view of UE, the component carrier for receiving configuration is intended to while activating the component carrier；In addition, UE can also be that the instruction based on eNB decides whether that activating now the component carrier is used, or can also determine when to activate the component carrier of the configuration based on a timer or a trigger event, the present embodiment do not limited this.
Fig. 6 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention, and methods described includes：
S61 :While reception radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is obtained；
S62:The information of one or more component carriers for user device configuration is supplied to the user equipment.
The present embodiment is while reception radio resource control connection reestablishment founds completion message, obtain the measurement result of one or more component carriers from user equipment, with the information for the component carrier that configuration is provided to user equipment, measurement result without receiving component carrier after RRC connection reconfiguration messages are sent, it is possible to decrease the time delay of connection re-establishment.
It is described while receiving radio resource control connection reestablishment and founding completion message, obtaining the measurement result of one or more component carriers can further comprise：Receive radio resource control connection reestablishment and found completion message, the radio resource control connection reestablishment founds the measurement result that component carrier is carried in completion message；Or, while reception radio resource control connection reestablishment founds completion message, receive the measurement result that component carrier is carried in the 3rd message N, the 3rd message N.
The information of one or more component carriers by for user device configuration is supplied to the user equipment to include：While wireless resource control connection reconfiguration message is sent, by for the one of user device configuration
The information of individual or multiple component carriers is supplied to the user equipment.Specifically it may include：Wireless resource control connection reconfiguration message is sent to the user equipment, and the information for the one or more component carriers for being user device configuration is carried in the wireless resource control connection reconfiguration message；Or, while wireless resource control connection reconfiguration message is sent, the second message M is sent to the user equipment, the information of one or more component carriers of promising user device configuration is carried in the second message M.
In the above-described embodiments, UE does not provide the measurement result of component carrier while RRC connection re-establishment request messages are sent to base station, but send RRC connection re-establishment completion messages while the measurement result, reach reduce connection re-establishment delay effect.For ease of understanding, 7 progress cylinders will illustrate below in conjunction with the accompanying drawings.Fig. 7 is the schematic diagram of another connection reconstruction cube method provided in an embodiment of the present invention, and methods described includes：
S71:User equipment sends random access lead code to base station.Similar with embodiment before, in S71, UE can need the size of practical bandwidth resources according to follow-up, from different preamble groups（Group A and group B) middle selection preamble, the process of implementing refer to before embodiment, or user equipment can not also be selected preamble groups, and a preamble is arbitrarily selected to be sent to eNB, the present embodiment is to this without limiting.
S72:Base station sends accidental access response message to user equipment.Base station can carry the information of the bandwidth for UE distribution in accidental access response message, and when distributing bandwidth, the bandwidth resources in multiple Transmission Time Intervals are bound together and distribute to UE by base station by the way of Τ bindings.
S73:User equipment sends radio resource control connection reestablishment to base station and founds request message.
S74:Base station sends to user equipment and strives solution message unexpectedly.
S75:Base station sends radio resource control connection reestablishment to user equipment and founds message.
S76:The measurement result of component carrier is supplied to base station by user equipment while transmission radio resource control connection reestablishment founds completion message.
A kind of in the specific implementation, UE can carry the measurement result for measuring obtained one or more component carriers is sent to eNB in RRC connection re-establishment completion messages.Another in the specific implementation, UE
Also eNB can be sent in the lump using the measurement result of one or more component carriers as a single message, and RRC connection re-establishment completion messages.During sheet, the quality that UE can show multiple component carriers according to measurement result is ranked up, then by the identifier of the component carrier after sequence（Index) it is sent to eNB.The Index of which part component carrier also only can be supplied to base station by UE, to reduce bandwidth demand when sending measurement result.Specifically, UE can also from sorted component carrier selection signal quality it is preferable（Higher than one predetermined threshold value of such as signal quality）One or more component carriers, and the index of selected component carrier is sent to eNB.
S77:Base station sends wireless resource control connection reconfiguration message and one or more component carrier information for the user device configuration to user equipment.Process S77 is similar with S35 before, not reinflated herein.
S78:User equipment sends wireless resource control connection reconfiguration completion message to base station.UE can carry the configured information that the configuration of relevant components carrier wave is completed in the RRC connections of transmission reconfigure completion message；UE can also be used single message and report that the UE has completed the configuration to the component carrier to eNB.
It should be noted that, in this embodiment, described in the one or more component carriers of user device configuration " configuration ", refers in addition to the component carrier used during UE performs Stochastic accessing, is the increased other one or more component carriers of UE；Or, refer to component carrier used in UE execution random access procedures being replaced with other one or more component carriers.UE can activate now the component carrier and be used after one or more component carriers of the configuration are received, namely from the point of view of UE, the component carrier for receiving configuration is intended to while activating the component carrier；In addition, UE can also be that the instruction based on eNB decides whether that activating now the component carrier is used, or can also determine when to activate the component carrier of the configuration based on a timer or a trigger event, the present embodiment do not limited this.
In the present embodiment, UE is while RRC connection re-establishment completion messages are sent, the measurement result of one or more component carriers is supplied to base station, the measurement result without sending component carrier to base station after RRC connection reconfiguration messages are received, it is possible to decrease the time delay of connection re-establishment.
Fig. 8 is a kind of schematic diagram of user equipment provided in an embodiment of the present invention, and the user equipment includes：Measurement result provides unit 81, for while the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers to be supplied into base station；
Configuration information acquiring unit 82, the information for obtaining one or more component carriers that the base station is user device configuration.
The measurement result of one or more component carriers is supplied to base station, it is possible to decrease the time delay of connection re-establishment by the user equipment of the present embodiment while the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message.
Further, the measurement result provides unit 81 and may include：First sending module, base station is sent to for radio resource control connection reestablishment to be stood into request message, and carries in the radio resource control connection reestablishment founds request message the measurement result of component carrier；Or, the second sending module, for while transmission radio resource control connection reestablishment founds request message, the measurement result of one or more component carriers to be sent into base station by another message X；Or, the 3rd sending module is sent to base station for radio resource control connection reestablishment to be stood into completion message, and carries in the radio resource control connection reestablishment founds completion message the measurement result of component carrier；Or, the 4th sending module, for while transmission radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers to be sent into base station by another message N.
The user equipment can further comprise：First transmitting element, for when user equipment needs to recover communication on multiple component carriers, selecting a lead code to be sent to the base station in leading code character B, to indicate the base station as user equipment distribution B class transmission bandwidth resources；Second transmitting element, for when user equipment need not recover communication on multiple component carriers, selecting a lead code to be sent to the base station in leading code character A, to indicate the base station as user equipment distribution A class transmission bandwidth resources；The A classes transmission bandwidth is less than B class transmission bandwidths.
Fig. 9 is a kind of schematic diagram of base station equipment provided in an embodiment of the present invention, and the base station includes：
Measurement result receiving unit 91, for while the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message, obtaining the measurement result of one or more component carriers；
Configuration information provides unit 92, for the information of one or more component carriers for user device configuration to be supplied into the user equipment.
The base station of the present embodiment obtains the measurement result of one or more component carriers, it is possible to decrease the time delay of connection re-establishment while the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message.
The base station can further comprise：Lead code receiving unit, for receiving the lead code that user equipment is sent；First allocation unit, for when the lead code belongs to leading code character B, being the user equipment distribution B class transmission bandwidth resources；Second allocation unit, for when the lead code belongs to leading code character A, being the user equipment distribution A class transmission bandwidth resources；The A classes transmission bandwidth is less than B class transmission bandwidths.
One of ordinary skill in the art will appreciate that all or part of flow in above method embodiment, computer program is can be by instruct related hardware completion, described program can be stored in a computer read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only memory（Read-Only Memory, ROM) or the random person of depositing oneself recall body (Random Access Memory, RAM) etc..
Described above is only a part of embodiment of the present invention; it should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention; above-described embodiment can also make some improvement and modification, and these improvement and modification also should be regarded as protection scope of the present invention.And because necessary introduction has been carried out in embodiment of the method, the present embodiment has only made cylinder to the base station equipment and the structure of user equipment to be illustrated, the concrete function of each unit can refer to the description of embodiment of the method in the equipment.
Claims (13)
- Claim1st, a kind of connection reconstruction cube method, it is characterised in that including：While the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is supplied to base station；Obtain the information for one or more component carriers that the base station is user device configuration.2nd, according to the method described in claim 1, it is characterised in that described while transmission radio resource control connection reestablishment founds request message, it is supplied to base station to include the measurement result of one or more component carriers：Radio resource control connection reestablishment is found into request message and is sent to base station, and carries in the radio resource control connection reestablishment founds request message the measurement result of one or more component carriers；Or, while transmission radio resource control connection reestablishment founds request message, the measurement result of one or more component carriers is sent to by base station by another message X.3rd, method according to claim 2, it is characterised in that the acquisition base station includes for the information of one or more component carriers of user device configuration：Receive radio resource control connection reestablishment and found message, the information for one or more component carriers that the base station is user device configuration is obtained from the vertical message of the radio resource control connection reestablishment；Or, when reception radio resource control connection reestablishment founds message, first message Y is received, the information for one or more component carriers that the base station is user device configuration is obtained from the first message Y；Or, wireless resource control connection reconfiguration message is received, the information for one or more component carriers that the base station is user device configuration is obtained from the wireless resource control connection reconfiguration message；Or, when receiving wireless resource control connection reconfiguration message, the second message M is received, the information for one or more component carriers that the base station is user device configuration is obtained out of described second message M.4th, according to the method described in claim 1, it is characterised in that described while transmission radio resource control connection reestablishment founds completion message, it is supplied to base station to wrap the measurement result of one or more component carriers Include：Radio resource control connection reestablishment is found into completion message and is sent to base station, and carries in the radio resource control connection reestablishment founds completion message the measurement result of one or more component carriers；Or, while transmission radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is sent to by base station by the 3rd message N.5th, method according to claim 4, it is characterised in that the acquisition base station includes for the information of one or more component carriers of user device configuration：Wireless resource control connection reconfiguration message is received, the information for one or more component carriers that the base station is user device configuration is obtained from the wireless resource control connection reconfiguration message；Or, when receiving wireless resource control connection reconfiguration message, the second message M is received, the information for one or more component carriers that the base station is user device configuration is obtained out of described second message M.6th, the method according to any one of claim 1-5, it is characterised in that before the vertical request message of radio resource control connection reestablishment is sent, methods described also includes：When user equipment needs to recover communication on multiple component carriers, a lead code is selected to be sent to the base station in leading code character B, to indicate the base station as user equipment distribution B class transmission bandwidth resources；When user equipment need not recover communication on multiple component carriers, a lead code is selected to be sent to the base station in leading code character A, to indicate the base station as user equipment distribution A class transmission bandwidth resources；The A classes transmission bandwidth is less than B class transmission bandwidths.7th, the method according to any one of claim 1-5, it is characterised in that the measurement result by one or more component carriers is supplied to base station to include：The measurement result of multiple component carriers is ranked up by signal quality, the identifier of multiple component carriers after sequence is supplied to base station；Or, the measurement result of multiple component carriers is ranked up by signal quality, the identifier that signal quality is more than to one or more component carriers of pre-determined threshold is supplied to base station. 8th, a kind of connection reconstruction cube method, it is characterised in that including：While the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers is obtained；The information of one or more component carriers for user device configuration is supplied to the user equipment.9th, method according to claim 8, it is characterised in thatIt is described while receiving radio resource control connection reestablishment and founding request message, obtaining the measurement result of one or more component carriers includes：Receive radio resource control connection reestablishment and found request message, the measurement result of one or more component carriers is obtained from the vertical request message of the radio resource control connection reestablishment；Or, while reception radio resource control connection reestablishment founds request message, another message X is received, the measurement result of one or more component carriers is obtained out of described another message X；The information of one or more component carriers by for user device configuration is supplied to the user equipment to include：Send radio resource control connection reestablishment and found message to the user equipment, and the information that one or more component carriers for user device configuration are carried in message is found in the radio resource control connection reestablishment；Or, while transmission radio resource control connection reestablishment founds message, first message Y is sent to the user equipment, the information of one or more component carriers for user device configuration is obtained out of first message Y；Or, wireless resource control connection reconfiguration message is sent to the user equipment, and is carried in the wireless resource control connection reconfiguration message as the information of the one or more component carrier of user device configuration；Or, while wireless resource control connection reconfiguration message is sent, the second message M is sent to the user equipment, the information of one or more component carriers for user device configuration is obtained out of second message M.10th, method according to claim 8, it is characterised in thatIt is described while receiving radio resource control connection reestablishment and founding completion message, obtaining the measurement result of one or more component carriers includes：Receive radio resource control connection reestablishment and found completion message, the measurement result of one or more component carriers is obtained from the vertical completion message of the radio resource control connection reestablishment；Or, while reception radio resource control connection reestablishment founds completion message, the 3rd message N is received, the measurement result of one or more component carriers is obtained out of described 3rd message N； The information of one or more component carriers by for user device configuration is supplied to the user equipment to include：Wireless resource control connection reconfiguration message is sent to the user equipment, and the information for the one or more component carriers for being user device configuration is carried in the wireless resource control connection reconfiguration message；Or, while wireless resource control connection reconfiguration message is sent, the second message M is sent to the user equipment, the information of one or more component carriers for user device configuration is obtained out of second message M.11st, the method according to any one of claim 8-10, it is characterised in that also include：Receive the lead code that the user equipment is sent；It is the user equipment distribution B class transmission bandwidth resources when the lead code belongs to leading code character B；It is the user equipment distribution A class transmission bandwidth resources when the lead code belongs to leading code character A；The A classes transmission bandwidth is less than B class transmission bandwidths.12nd, method according to claim 11, it is characterised in that include for user equipment distribution B class transmission bandwidth resources：Bandwidth resources in multiple Transmission Time Intervals are bound together and distribute to the user equipment.13rd, a kind of user equipment, it is characterised in that including：Measurement result provides unit, for while the vertical request message of radio resource control connection reestablishment is sent or radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers to be supplied into base station；Configuration information acquiring unit, the information for obtaining one or more component carriers that the base station is user device configuration.14th, user equipment according to claim 13, it is characterised in that the measurement result, which provides unit, to be included：First sending module, base station is sent to for radio resource control connection reestablishment to be stood into request message, and carries in the radio resource control connection reestablishment founds request message the measurement result of one or more component carriers；Or,Second sending module, for while transmission radio resource control connection reestablishment founds request message, the measurement result of one or more component carriers to be sent into base station by another message X；Or, 3rd sending module, base station is sent to for radio resource control connection reestablishment to be stood into completion message, and carries in the radio resource control connection reestablishment founds completion message the measurement result of one or more component carriers；Or,4th sending module, for while transmission radio resource control connection reestablishment founds completion message, the measurement result of one or more component carriers to be sent into base station by another message N.15th, a kind of base station, it is characterised in that including：Measurement result receiving unit, for while the vertical request message of radio resource control connection reestablishment is received or radio resource control connection reestablishment founds completion message, obtaining the measurement result of one or more component carriers；Configuration information provides unit, for the information of one or more component carriers for user device configuration to be supplied into the user equipment.
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| PCT/CN2009/075310 WO2011066687A1 (en) | 2009-12-04 | 2009-12-04 | Method, base station and user equipment for connection reestablishment |
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| CN102227948B CN102227948B (en) | 2014-04-30 |
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| WO2011066687A1 (en) | 2011-06-09 |
| CN102227948B (en) | 2014-04-30 |
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