CN102227948B - 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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- CN102227948B CN102227948B CN200980147143.2A CN200980147143A CN102227948B CN 102227948 B CN102227948 B CN 102227948B CN 200980147143 A CN200980147143 A CN 200980147143A CN 102227948 B CN102227948 B CN 102227948B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W72/20—Control channels or signalling for resource management
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
Technical field
The present invention relates to communication technical field, particularly a kind of connection reconstruction cube method, base station and subscriber equipment.
Background technology
At LTE (Long Term Evolution, Long Term Evolution) in communication system, UE (User Equipment, subscriber equipment) needs to carry out connection re-establishment (Connection Reestablishment) process to eNB (eNodB, evolution base station) in some cases.The process of namely a kind of random access of described connection re-establishment process, UE recovers to be connected with base station by the mode of random access.For example, UE is carrying out RRC (Radio Resource Control, when Radio Resource control) connection (the RRC Connection Reconfiguration) process of reshuffling occurs unsuccessfully, or UE is while carrying out handoff procedure failure, or there is other Radio Link Failure (RLF in UE, Radio Link Failure), time, all need to re-establish connection to base station requests.In the whole process that re-establishes connection, first UE completes RRC connection re-establishment process, and complete message to base station transmission RRC connection re-establishment, base station sends RRC connection reconfiguration message with rear to UE, utilize described RRC to connect reconfiguration message and configure relevant parameter for UE, the measurement result that UE is measured subsequently reports base station.If in LTE-A (LTE-Advance, the evolution of Long Term Evolution) system, UE connects possibly on a plurality of carrier waves, and now UE need to report base station by the measurement result of a plurality of carrier waves.Base station is after obtaining the measurement result of correlated carrier wave, and the parameters such as the QoS based on UE (Quality of Service, service quality) are UE configuration correlated carrier wave.
Prior art at least exists following defect: UE receiving that RRC connects after reconfiguration message, the measurement result of at least one carrier wave is reported to base station, then eNB could further configure for UE other component carrier, and this will increase the time delay of whole connection re-establishment process.
Summary of the invention
The embodiment of the present invention provides a kind of connection reconstruction cube method, base station and subscriber equipment, to reduce to connect the time delay of setting up.
The embodiment of the present invention provides a kind of connection reconstruction cube method, comprising:
When sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, the measurement result of one or more component carriers is offered to base station;
Obtain the information that described base station is one or more component carriers of user device configuration.
The embodiment of the present invention also provides a kind of connection reconstruction cube method, comprising:
When receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtain the measurement result of one or more component carriers;
The information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
The embodiment of the present invention also provides a kind of subscriber equipment, comprising:
Measurement result provides unit, for when sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, the measurement result of one or more component carriers is offered to base station;
Configuration information acquiring unit, for obtaining the information that described base station is one or more component carriers of user device configuration.
The embodiment of the present invention also provides a kind of base station, comprising:
Measurement result receiving element, for when receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtains the measurement result of one or more component carriers;
Configuration information provides unit, for the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
From such scheme, when the vertical request message of embodiment of the present invention transmission radio resource control connection reestablishment or radio resource control connection reestablishment have found message, the measurement result of one or more component carriers is offered to base station, needn't after receiving RRC connection reconfiguration message, to base station, send the measurement result of component carrier, can reduce the time delay of connection re-establishment.
Accompanying drawing explanation
The schematic diagram of a kind of connection reconstruction cube method that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 6 provides for the embodiment of the present invention;
The schematic diagram of another connection reconstruction cube method that Fig. 7 provides for the embodiment of the present invention;
The schematic diagram of a kind of subscriber equipment that Fig. 8 provides for the embodiment of the present invention;
The schematic diagram of a kind of base station equipment that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention are described in detail.It should be noted that, following examples are only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment of the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In the connection reconstruction cube method of the embodiment of the present invention, when sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, the measurement result of one or more component carriers is offered to base station; And obtain accordingly the information that described base station is one or more component carriers of user device configuration.Needn't after receiving RRC connection reconfiguration message, to base station, send the measurement result of component carrier, can reduce the time delay that connects recovery on UE component carrier.For ease of understanding, below in conjunction with accompanying drawing, be explained.
The schematic diagram of a kind of connection reconstruction cube method that Fig. 1 provides for the embodiment of the present invention, described method comprises:
S11: when sending the vertical request message of radio resource control connection reestablishment, the measurement result of one or more component carriers is offered to base station;
S12: obtain the information that described base station is one or more component carriers of user device configuration.
The present embodiment is when sending RRC connection re-establishment request message, the measurement result of one or more component carriers is offered to base station, take the information of one or more component carriers that base station is user device configuration obtained, without send the measurement result of component carrier to base station after receiving RRC connection reconfiguration message, can reduce the time delay of connection re-establishment.
Further, described when sending the vertical request message of radio resource control connection reestablishment, the measurement result of one or more component carriers is offered to base station can be comprised: the vertical request message of radio resource control connection reestablishment is sent to base station, and the measurement result of carrying component carrier in the vertical request message of described radio resource control connection reestablishment; Or by when sending the vertical request message of radio resource control connection reestablishment, by another message, X sends to base station by the measurement result of one or more component carriers.Described another message X is other message that is different from the vertical request message of radio resource control connection reestablishment, and to particular type or the title of described another message X, the present embodiment does not limit.
Further, before sending the vertical request message of radio resource control connection reestablishment, described method also comprises: judge whether described subscriber equipment need to recover communication on a plurality of component carriers, if, in leading code character B, select a lead code to send to described base station, take and indicate described base station as described user equipment allocation category-B transmission bandwidth resource; If not, in leading code character A, select a lead code to send to described base station, take and indicate described base station as described user equipment allocation category-A transmission bandwidth resource, described category-A transmission bandwidth is less than category-B transmission bandwidth.Correspondingly, the described measurement result by one or more component carriers offers base station and comprises: utilizing base station is that the bandwidth resources of described user equipment allocation offer base station by the measurement result of one or more component carriers.If subscriber equipment need to recover communication on a plurality of component carriers, follow-uply may need to use larger transmission bandwidth, therefore can select corresponding lead code according to the follow-up amount of bandwidth of using that needs, utilizing selected lead code indication base station is the suitable bandwidth of user equipment allocation.
The bandwidth resources that base station is user equipment allocation are appreciated that preamble region are divided into different groups the never middle not restriction to the present embodiment of process of selecting lead code on the same group, as long as can meet the user demand of subscriber equipment.
In a kind of specific implementation, described to obtain described base station be that the information of one or more component carriers of user device configuration can further comprise: when receiving the vertical message of radio resource control connection reestablishment, obtain the information that described base station is one or more component carriers of user device configuration.Further, this process can comprise: receive the vertical message of radio resource control connection reestablishment, in the vertical message of described radio resource control connection reestablishment, carry the information that described base station is one or more component carriers of user device configuration; Or, when receiving the vertical message of radio resource control connection reestablishment, receive the first message Y, in described the first message Y, carry the information that described base station is one or more component carriers of user device configuration.Described the first message Y is other message that is different from the vertical message of radio resource control connection reestablishment, and to the particular type of described the first message Y or title, the present embodiment does not limit.Further, the method also can comprise: when transmission radio resource control connection reestablishment has found message, component carrier has been reshuffled to indication information and offered described base station, specifically can comprise: send radio resource control connection reestablishment and found message, described transmission radio resource control connection reestablishment has stood and in message, carried component carrier and reshuffled indication information; Or when transmission radio resource control connection reestablishment has found message, by the 4th message Z, component carrier has been reshuffled to indication information and offered described base station, described the 4th message Z is different from other message that radio resource control connection reestablishment has found message, to the particular type of described the 4th message Z or title, the present embodiment does not limit.
In another kind of specific implementation, described to obtain described base station be that the information of one or more component carriers of user device configuration can further comprise: when receiving wireless resource control connection reconfiguration message, obtain the information that described base station is one or more component carriers of user device configuration.Further, this process can comprise: receive wireless resource control connection reconfiguration message, carry the information that described base station is one or more component carriers of user device configuration in described wireless resource control connection reconfiguration message; Or, when receiving wireless resource control connection reconfiguration message, receive the second message M, in described the second message M, carry the information that described base station is one or more component carriers of user device configuration.Described the second message M is other message that is different from wireless resource control connection reconfiguration message, and to the particular type of described the second message M or title, the present embodiment does not limit.
Further, the described measurement result by one or more component carriers offers base station and can comprise: the measurement result of a plurality of component carriers is sorted by signal quality, the identifier of a plurality of component carriers after sequence is offered to base station; Or, the measurement result of a plurality of component carriers is sorted by signal quality, the identifier that signal quality is greater than to one or more component carriers of default thresholding offers base station.The component carrier of measuring due to subscriber equipment may have a plurality of, can to component carrier, sort according to the signal quality of measuring, the identifier of component carrier after sequence is offered to base station, and the sequence that base station can be based on signal quality and the QoS parameter of subscriber equipment etc. need to be user device configuration component carrier.By reporting the rear component carrier identifier of sequence, the concrete metrical information reporting base station that subscriber equipment can not will measure, base station is only configurable component carrier according to the sequence of identifier.Subscriber equipment also can only select signal quality to be greater than the component carrier of default thresholding, report the identifier of selected component carrier, and the identifier of component carrier that will poor signal quality reports base station, make the base station can be according to this part the identifier configurations component carrier reporting.
The schematic diagram of another connection reconstruction cube method that Fig. 2 provides for the embodiment of the present invention, described method comprises:
S21: when receiving the vertical request message of radio resource control connection reestablishment, obtain the measurement result of one or more component carriers;
S22: the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
The present embodiment is when receiving the vertical request message of radio resource control connection reestablishment, obtain the measurement result from one or more component carriers of subscriber equipment, so that the information of the component carrier of configuration to be provided to subscriber equipment, without sending the measurement result that receives component carrier after RRC connects reconfiguration message, can reduce the time delay of connection re-establishment.
Described when receiving the vertical request message of radio resource control connection reestablishment, the measurement result of obtaining one or more component carriers can further comprise: receive the vertical request message of radio resource control connection reestablishment, carry the measurement result of component carrier in the vertical request message of described radio resource control connection reestablishment; Or, when receiving the vertical request message of radio resource control connection reestablishment, receive another message X, in described another message X, carry the measurement result of component carrier.
Further, described method also can comprise: receive the lead code that described subscriber equipment is sent; When described lead code belongs to leading code character B, it is described user equipment allocation category-B transmission bandwidth resource; When described lead code belongs to leading code character A, be described user equipment allocation category-A transmission bandwidth resource, described category-A transmission bandwidth is less than category-B transmission bandwidth.Further, for described user equipment allocation category-B transmission bandwidth resource comprises: adopt the mode of transmission time interval bonding, the bandwidth resources in a plurality of Transmission Time Intervals are bound together and distribute to described subscriber equipment.
In a kind of specific implementation, the described information by the one or more component carriers for user device configuration offers described subscriber equipment and comprises: when sending the vertical message of radio resource control connection reestablishment, the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.Specifically can comprise: send the vertical message of radio resource control connection reestablishment to described subscriber equipment, and carry the information into one or more component carriers of user device configuration in the vertical message of described radio resource control connection reestablishment; Or, when sending the vertical message of radio resource control connection reestablishment, to described subscriber equipment, send the first message Y, the information of carrying one or more component carriers of promising user device configuration in the first message Y.
In another kind of specific implementation, the described information by the one or more component carriers for user device configuration offers described subscriber equipment and comprises: when sending wireless resource control connection reconfiguration message, the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.Specifically can comprise: send wireless resource control connection reconfiguration message to described subscriber equipment, and carry the information into one or more component carriers of user device configuration in described wireless resource control connection reconfiguration message; Or, when sending wireless resource control connection reconfiguration message, to described subscriber equipment, send the second message M, the information of carrying one or more component carriers of promising user device configuration in the second message M.
The schematic diagram of another connection reconstruction cube method that Fig. 3 provides for the embodiment of the present invention, described method comprises:
S31: subscriber equipment sends random access lead code to base station.
Before carrying out RRC connection re-establishment, UE judges whether on a plurality of component carriers, to recover communication, if so, from preamble group B, selects a preamble; Otherwise, from Preamble group A, select a preamble to send to eNB.Random access lead code (preamble) sends on uplink random access channel, for UE, alternative Preamble can be divided into two groups, be leading code character A (preamble group A) and leading code character B (Preamble group B), bandwidth resources corresponding to different leading code characters, the bandwidth resources that common leading code character B is corresponding are larger.When UE needs large bandwidth resources when sending message, with regard to the lead code in selection group B to apply for large bandwidth resources to eNB, when UE only needs little bandwidth resources, with regard to the lead code in selection group A.That is to say, two groups of lead codes have been indicated the size of the bandwidth resources that UE need to utilize.The preamble which kind of type UE sends herein can determine flexibly according to the required amount of bandwidth of follow-up UE, if it is more that the component carrier that follow-up UE need to report to eNB is measured message, for example need to report the measurement result of a plurality of carrier waves, UE can organize B and select preamble to send to eNB from preamble, to apply for large bandwidth resources.
S32: base station sends accidental access response message to subscriber equipment.
ENB detects after the preamble of UE transmission, can judge the type of preamble, if the preamble receiving belongs to preamble group B, shows the transmission bandwidth that UE needs are large, now can be required to be UE according to UE and distribute large transmission bandwidth; If the preamble receiving belongs to preamble group A, show that UE does not need large transmission bandwidth, only need to distribute less transmission bandwidth for UE.The information of the transmission bandwidth distributing can be carried in accidental access response message and send.When distributing large transmission bandwidth for UE, eNB can be used the mode of transmission time interval bonding (TTI bundling:Transmitting Time Interval bundling), be that eNB can be bound together the bandwidth resources in a plurality of Transmission Time Intervals to distribute to UE, and the binding information of described bandwidth resources is carried in accidental access response message and sends to UE, the present embodiment does not limit this.
S33: subscriber equipment, when sending the vertical request message of radio resource control connection reestablishment, offers base station by the measurement result of one or more component carriers.
UE receives after accidental access response message, utilizes the transmission bandwidth that eNB distributes in accidental access response message to send RRC connection re-establishment request message to eNB, and the measurement result of one or more component carriers is offered to eNB.Subscriber equipment can be determined the size of the transmission bandwidth that base station is distributed in accidental access response message, if described transmission bandwidth can be used in transmission RRC connection re-establishment request message and the measurement result of UE on one or more component carriers, the two is offered to base station in the lump.In a kind of specific implementation, UE can be carried at the measurement result of the one or more component carriers that measure in RRC connection re-establishment request message and send to eNB.In another kind of specific implementation, UE also can be using the measurement result of one or more component carriers as an independent message, and RRC connection re-establishment request message sends to eNB in the lump, and the present embodiment does not limit this.UE utilizes the bandwidth resources that eNB distributes to send RRC connection re-establishment request message and component carrier measurement result herein.If UE need to report the measurement result of a plurality of component carriers, may need large transmission bandwidth, in process S31 before, can organize in B and select preamble to send to eNB at preamble, to apply for large transmission bandwidth.
In actual applications, UE can be by measuring the measurement result of a plurality of component carriers, and a plurality of component carriers are sorted according to the quality of measurement result demonstration, then the identifier (Index) of these component carriers after sequence is sent to eNB.UE also can be only offers base station, the bandwidth demand while sending measurement result to reduce by the Index of part component carrier wherein.Particularly, UE also can select signal quality (for example signal quality is higher than a predetermined threshold value) one or more component carriers preferably from sorted component carrier, and the index of selected component carrier is sent to eNB.Described in the present embodiment, measurement result can be RSRP (the Reference Signal Received Power recording on one or more component carriers, Reference Signal Received Power), RSRQ (Reference Signal Received Quality, Reference Signal Received Quality), RSCP (Received Signal Code Power, received signal code power) and RSSI (Received Signal Strength Indicator, received signal strength indicator) etc. measurement result is one or more, also can be CQI (the Channel Quality Indicator measuring on one or more component carriers, CQI) value or the mean value of corresponding CQI value within a period of time.
S34: base station sends competition to subscriber equipment and solves message.If UE access eNB success, eNB can send competition and solve message, and in this transmission competition solves message, carries the identifier of the successful UE of access, indicates this UE to access successfully at random.
S35: base station sends the vertical message of radio resource control connection reestablishment and is the information of one or more component carriers of described user device configuration to subscriber equipment.
It is UE configuration component carrier that the measurement result of one or more component carriers that eNB can report based on UE and the QoS of UE need to wait other parameters, and the component carrier information of configuration is offered to UE, the component carrier of described configuration can be one or more carrier waves in the component carrier of reporting measurement result.In a kind of specific implementation, eNB can carry the information into the component carrier of UE configuration in the RRC connection re-establishment message sending.In another kind of specific implementation, eNB can utilize an independent message that the information of the component carrier of described configuration and RRC connection re-establishment message are sent to UE in the lump.The information of the component carrier of described configuration, can comprise that eNB is the identification information of the component carrier of UE configuration, as CC index, or the frequency information of relevant components carrier wave or bandwidth information, or other parameter configuration of component carrier etc., the present embodiment does not limit this.In process S33, UE can send described RRC connection re-establishment request message on a certain component carrier A of its measurement, correspondingly, and in S35, eNB can increase one or more component carriers newly on component carrier A basis, and will increase component carrier information newly and notify to UE.
S36: subscriber equipment sends radio resource control connection reestablishment and found message to base station.
UE can carry the indication information that relevant components carrier wave has configured in the RRC connection re-establishment sending completes message; Certainly, UE also can be used independent message to complete the configuration to described component carrier to eNB report UE, and the present embodiment does not limit this.
It should be noted that, in this embodiment, be " configuration " described in the one or more component carriers of user device configuration, refer to except UE carries out the component carrier using in the process of random access, is other one or more component carriers of UE increase; Or, refer to that UE is carried out to the component carrier that random access procedure uses to be replaced with other one or more component carriers.UE, after receiving one or more component carriers of described configuration, can activate now described component carrier and use, and also from the angle of UE, the component carrier that receives configuration means need to activate this component carrier simultaneously; In addition, UE can be also that the indication based on eNB determines that whether activating now described component carrier uses, or can be to decide based on a timer or a trigger event component carrier that when activates described configuration, the present embodiment limit this yet.
In the present embodiment, UE is by when sending RRC connection re-establishment request message, the measurement result of one or more component carriers is offered to base station, without send the measurement result of component carrier to base station after receiving RRC connection reconfiguration message, can reduce the time delay of connection re-establishment.
The embodiment that Fig. 3 is corresponding can suitably be out of shape, as base station can not be sent as the component carrier information of this user device configuration when sending RRC connection re-establishment message, but sending the component carrier information that is sent as this user device configuration when RRC connects reconfiguration message, for ease of understanding, below in conjunction with accompanying drawing, carry out brief description.The schematic diagram of another connection reconstruction cube method that Fig. 4 provides for the embodiment of the present invention, in described method, the process of S41 to S44 is identical with S31 to S34, and described method also comprises:
S45: base station sends the vertical message of radio resource control connection reestablishment to subscriber equipment.
S46: subscriber equipment sends radio resource control connection reestablishment and found message to base station.
S47: base station sends wireless resource control connection reconfiguration message and is one or more component carrier information of described user device configuration to subscriber equipment.
S48: subscriber equipment sends wireless resource control connection reconfiguration and completes message to base station.UE can carry the indication information that relevant components carrier wave has configured in message has been reshuffled in the RRC connection sending; UE also can utilize single message to report that to eNB this UE has completed the configuration to described component carrier.
The difference of the corresponding embodiment of Fig. 4 and Fig. 3 embodiment is, base station provides configured component carrier information to UE when sending RRC connection reconfiguration message, send the difference on opportunity of the configuration information of component carrier, still can reach the effect of the time delay that reduces connection re-establishment.Those skilled in the art can understand, above-described embodiment can be through distortion, when transmission radio resource control connection reestablishment has found message, the measurement result of one or more component carriers is offered to base station, without UE, after receiving RRC to connect reconfiguration message, to base station, send the measurement result of component carrier equally, can reduce the time delay of connection re-establishment.Below in conjunction with 5 pairs of this situations of accompanying drawing, carry out brief description, the schematic diagram of another connection reconstruction cube method that Fig. 5 provides for the embodiment of the present invention, described method comprises:
S51: when transmission radio resource control connection reestablishment has found message, the measurement result of one or more component carriers is offered to base station;
S52: obtain the information that described base station is one or more component carriers of user device configuration.
The present embodiment is when transmission RRC connection re-establishment completes message, the measurement result of one or more component carriers is offered to base station, take the information of one or more component carriers that base station is user device configuration obtained, without send the measurement result of component carrier to base station after receiving RRC connection reconfiguration message, can reduce the time delay of connection re-establishment.
Further, it is described when transmission radio resource control connection reestablishment has found message, the measurement result of one or more component carriers is offered to base station can be comprised: radio resource control connection reestablishment has been found to message and sent to base station, and in described radio resource control connection reestablishment has found message, carried the measurement result of component carrier; Or, by when transmission radio resource control connection reestablishment has found message, by the 3rd message N, the measurement result of one or more component carriers is sent to base station.Described the 3rd message N is different from other message that radio resource control connection reestablishment has found message, and to the particular type of described the 3rd message N or title, the present embodiment does not limit.
Further, the information of obtaining described base station and be one or more component carriers of user device configuration can comprise: when receiving wireless resource control connection reconfiguration message, obtain the information that described base station is one or more component carriers of user device configuration.Further, this process can comprise: receive wireless resource control connection reconfiguration message, carry the information that described base station is one or more component carriers of user device configuration in described wireless resource control connection reconfiguration message; Or, when receiving wireless resource control connection reconfiguration message, receive the second message M, in described the second message M, carry the information that described base station is one or more component carriers of user device configuration.Described the second message M is other message that is different from wireless resource control connection reconfiguration message, and to the particular type of described the second message M or title, the present embodiment does not limit.
It should be noted that, in this embodiment, be " configuration " described in the one or more component carriers of user device configuration, refer to except UE carries out the component carrier using in the process of random access, is other one or more component carriers of UE increase; Or, refer to that UE is carried out to the component carrier that random access procedure uses to be replaced with other one or more component carriers.UE, after receiving one or more component carriers of described configuration, can activate now described component carrier and use, and also from the angle of UE, the component carrier that receives configuration means need to activate this component carrier simultaneously; In addition, UE can be also that the indication based on eNB determines that whether activating now described component carrier uses, or can be to decide based on a timer or a trigger event component carrier that when activates described configuration, the present embodiment limit this yet.
The schematic diagram of another connection reconstruction cube method that Fig. 6 provides for the embodiment of the present invention, described method comprises:
S61: when reception radio resource control connection reestablishment has found message, obtain the measurement result of one or more component carriers;
S62: the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
The present embodiment is when reception radio resource control connection reestablishment has found message, obtain the measurement result from one or more component carriers of subscriber equipment, so that the information of the component carrier of configuration to be provided to subscriber equipment, without sending the measurement result that receives component carrier after RRC connects reconfiguration message, can reduce the time delay of connection re-establishment.
It is described when reception radio resource control connection reestablishment has found message, the measurement result of obtaining one or more component carriers can further comprise: receive radio resource control connection reestablishment and found message, described radio resource control connection reestablishment has found the measurement result that carries component carrier in message; Or, when reception radio resource control connection reestablishment has found message, receive the 3rd message N, in described the 3rd message N, carry the measurement result of component carrier.
The described information by the one or more component carriers for user device configuration offers described subscriber equipment and comprises: when sending wireless resource control connection reconfiguration message, the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.Specifically can comprise: send wireless resource control connection reconfiguration message to described subscriber equipment, and carry the information into one or more component carriers of user device configuration in described wireless resource control connection reconfiguration message; Or, when sending wireless resource control connection reconfiguration message, to described subscriber equipment, send the second message M, the information of carrying one or more component carriers of promising user device configuration in the second message M.
In the above-described embodiments, UE does not provide the measurement result of component carrier when sending RRC connection re-establishment request message to base station, but measurement result described in when sending RRC connection re-establishment to complete message reaches the effect that reduces connection re-establishment time delay.For ease of understanding, below in conjunction with accompanying drawing 7, carry out brief description.The schematic diagram of another connection reconstruction cube method that Fig. 7 provides for the embodiment of the present invention, described method comprises:
S71: subscriber equipment sends random access lead code to base station.With embodiment is similar before, in S71, UE can be according to the size of the practical bandwidth resources of follow-up needs, from different preamble groups (group A and group B), select preamble, specific implementation process can be with reference to embodiment before, or subscriber equipment can not selected preamble group yet, and selects arbitrarily a preamble to send to eNB, and the present embodiment does not limit this.
S72: base station sends accidental access response message to subscriber equipment.The information of the bandwidth of distributing into UE can be carried in base station in accidental access response message, and when distributing bandwidth, base station adopts the mode of TTI binding that the bandwidth resources in a plurality of Transmission Time Intervals are bound together and distribute to UE.
S73: subscriber equipment sends the vertical request message of radio resource control connection reestablishment to base station.
S74: base station sends competition to subscriber equipment and solves message.
S75: base station sends the vertical message of radio resource control connection reestablishment to subscriber equipment.
S76: subscriber equipment, when transmission radio resource control connection reestablishment has found message, offers base station by the measurement result of component carrier.
In a kind of specific implementation, UE can be carried at the measurement result of the one or more component carriers that measure RRC connection re-establishment and complete and in message, send to eNB.In another kind of specific implementation, UE also can be using the measurement result of one or more component carriers as an independent message, and RRC connection re-establishment completes message and sends in the lump eNB.In this process, UE can show a plurality of component carriers quality according to measurement result sorts, and then the identifier (Index) of the component carrier after sequence is sent to eNB.UE also can be only offers base station, the bandwidth demand while sending measurement result to reduce by the Index of part component carrier wherein.Particularly, UE also can select signal quality (for example signal quality is higher than a predetermined threshold value) one or more component carriers preferably from sorted component carrier, and the index of selected component carrier is sent to eNB.
S77: base station sends wireless resource control connection reconfiguration message and is one or more component carrier information of described user device configuration to subscriber equipment.This process S77 is similar with S35 before, no longer launches herein.
S78: subscriber equipment sends wireless resource control connection reconfiguration and completes message to base station.UE can carry the indication information that relevant components carrier wave has configured in message has been reshuffled in the RRC connection sending; UE also can utilize single message to report that to eNB this UE has completed the configuration to described component carrier.
It should be noted that, in this embodiment, be " configuration " described in the one or more component carriers of user device configuration, refer to except UE carries out the component carrier using in the process of random access, is other one or more component carriers of UE increase; Or, refer to that UE is carried out to the component carrier that random access procedure uses to be replaced with other one or more component carriers.UE, after receiving one or more component carriers of described configuration, can activate now described component carrier and use, and also from the angle of UE, the component carrier that receives configuration means need to activate this component carrier simultaneously; In addition, UE can be also that the indication based on eNB determines that whether activating now described component carrier uses, or can be to decide based on a timer or a trigger event component carrier that when activates described configuration, the present embodiment limit this yet.
In the present embodiment, UE is when transmission RRC connection re-establishment completes message, the measurement result of one or more component carriers is offered to base station, without send the measurement result of component carrier to base station after receiving RRC connection reconfiguration message, can reduce the time delay of connection re-establishment.
The schematic diagram of a kind of subscriber equipment that Fig. 8 provides for the embodiment of the present invention, described subscriber equipment comprises:
Measurement result provides unit 81, for when sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, the measurement result of one or more component carriers is offered to base station;
Configuration information acquiring unit 82, for obtaining the information that described base station is one or more component carriers of user device configuration.
The subscriber equipment of the present embodiment, when sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, offers base station by the measurement result of one or more component carriers, can reduce the time delay of connection re-establishment.
Further, described measurement result provides unit 81 to comprise: the first sending module, for the vertical request message of radio resource control connection reestablishment is sent to base station, and the measurement result of carrying component carrier in the vertical request message of described radio resource control connection reestablishment; Or, the second sending module, for when sending the vertical request message of radio resource control connection reestablishment, by another message, X sends to base station by the measurement result of one or more component carriers; Or the 3rd sending module, sends to base station for radio resource control connection reestablishment has been found to message, and carries the measurement result of component carrier in described radio resource control connection reestablishment has found message; Or, the 4th sending module, for when transmission radio resource control connection reestablishment has found message, by another message, N sends to base station by the measurement result of one or more component carriers.
Described subscriber equipment can further comprise: the first transmitting element, subscriber equipment is used for when need to recover communication on a plurality of component carriers, in leading code character B, select a lead code to send to described base station, take and indicate described base station as described user equipment allocation category-B transmission bandwidth resource; The second transmitting element for need to not recover when communication on a plurality of component carriers when subscriber equipment, selects a lead code to send to described base station in leading code character A, take and indicates described base station as described user equipment allocation category-A transmission bandwidth resource; Described category-A transmission bandwidth is less than category-B transmission bandwidth.
The schematic diagram of a kind of base station equipment that Fig. 9 provides for the embodiment of the present invention, described base station comprises:
Measurement result receiving element 91, for when receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtains the measurement result of one or more component carriers;
Configuration information provides unit 92, for the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
The base station of the present embodiment, when receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtains the measurement result of one or more component carriers, can reduce the time delay of connection re-establishment.
Described base station can further comprise: lead code receiving element, the lead code of sending for receiving subscriber equipment; The first allocation units, for when described lead code belongs to leading code character B, are described user equipment allocation category-B transmission bandwidth resource; The second allocation units, for when described lead code belongs to leading code character A, are described user equipment allocation category-A transmission bandwidth resource; Described category-A transmission bandwidth is less than category-B transmission bandwidth.
One of ordinary skill in the art will appreciate that all or part of flow process in said method embodiment, can come instruction related hardware to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above is only a part of execution mode of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; above-described embodiment can also be made some improvement and modification, and these improve and modification also should be considered as protection scope of the present invention.And because embodiment of the method has been carried out necessary introduction, the present embodiment has only been done brief description to the structure of described base station equipment and subscriber equipment, the description that in described equipment, the concrete function of each unit can reference method embodiment.
Claims (13)
1. a connection reconstruction cube method, is characterized in that, comprising:
Before sending the vertical request message of radio resource control connection reestablishment, when subscriber equipment need to recover communication on a plurality of component carriers, in leading code character B, select a lead code to send to base station, take and indicate described base station as described user equipment allocation category-B transmission bandwidth resource;
When subscriber equipment need to not recover communication on a plurality of component carriers, in leading code character A, select a lead code to send to described base station, take and indicate described base station as described user equipment allocation category-A transmission bandwidth resource, described category-A transmission bandwidth is less than category-B transmission bandwidth;
When sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation offers base station by the measurement result of one or more component carriers;
Obtain the information that described base station is one or more component carriers of user device configuration.
2. method according to claim 1, it is characterized in that, described when sending the vertical request message of radio resource control connection reestablishment, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation offers base station by the measurement result of one or more component carriers, comprising:
The vertical request message of radio resource control connection reestablishment is sent to base station, and to utilize base station be the category-A of described user equipment allocation or the measurement result that category-B transmission bandwidth resource is carried one or more component carriers in the vertical request message of described radio resource control connection reestablishment;
Or when sending the vertical request message of radio resource control connection reestablishment, utilizing base station by another message X is that category-A or the category-B transmission bandwidth resource of described user equipment allocation sends to base station by the measurement result of one or more component carriers.
3. method according to claim 2, is characterized in that, described in to obtain described base station be that the information of one or more component carriers of user device configuration comprises:
Receive the vertical message of radio resource control connection reestablishment, from the vertical message of described radio resource control connection reestablishment, obtain the information that described base station is one or more component carriers of user device configuration;
Or, when receiving the vertical message of radio resource control connection reestablishment, receive the first message Y, from described the first message Y, obtain the information that described base station is one or more component carriers of user device configuration;
Or, receive wireless resource control connection reconfiguration message, from described wireless resource control connection reconfiguration message, obtain the information that described base station is one or more component carriers of user device configuration;
Or, when receiving wireless resource control connection reconfiguration message, receive the second message M, in described the second message M, obtain the information that described base station is one or more component carriers of user device configuration.
4. method according to claim 1, it is characterized in that, described when sending radio resource control connection reestablishment and having found message, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation offers base station by the measurement result of one or more component carriers, comprising:
Radio resource control connection reestablishment has been found to message and sent to base station, and to utilize base station be that category-A or the category-B transmission bandwidth resource of described user equipment allocation carried the measurement result of one or more component carriers in described radio resource control connection reestablishment has found message;
Or when sending radio resource control connection reestablishment and having found message, utilizing base station by the 3rd message N is that category-A or the category-B transmission bandwidth resource of described user equipment allocation sends to base station by the measurement result of one or more component carriers.
5. method according to claim 4, is characterized in that, described in to obtain described base station be that the information of one or more component carriers of user device configuration comprises:
Receive wireless resource control connection reconfiguration message, from described wireless resource control connection reconfiguration message, obtain the information that described base station is one or more component carriers of user device configuration;
Or, when receiving wireless resource control connection reconfiguration message, receive the second message M, in described the second message M, obtain the information that described base station is one or more component carriers of user device configuration.
6. according to the method described in claim 1-5 any one, it is characterized in that, the described measurement result by one or more component carriers offers base station and comprises:
The measurement result of a plurality of component carriers is sorted by signal quality, the identifier of a plurality of component carriers after sequence is offered to base station;
Or, the measurement result of a plurality of component carriers is sorted by signal quality, the identifier that signal quality is greater than to one or more component carriers of default thresholding offers base station.
7. a connection reconstruction cube method, is characterized in that, comprising:
Receive the lead code that subscriber equipment sends;
Identifying described lead code and belong to leading code character B, is described user equipment allocation category-B transmission bandwidth resource; Identifying described lead code and belong to leading code character A, is described user equipment allocation category-A transmission bandwidth resource, and described category-A transmission bandwidth is less than category-B transmission bandwidth;
When receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply;
The information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
8. method according to claim 7, is characterized in that,
Described when receiving the vertical request message of radio resource control connection reestablishment, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply, comprise: receive the vertical request message of radio resource control connection reestablishment, from the vertical request message of described radio resource control connection reestablishment, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply; Or, when receiving the vertical request message of radio resource control connection reestablishment, receive another message X, in described another message X, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply;
The described information by the one or more component carriers for user device configuration offers described subscriber equipment and comprises: send the vertical message of radio resource control connection reestablishment to described subscriber equipment, and carry the information into one or more component carriers of user device configuration in the vertical message of described radio resource control connection reestablishment; Or, when sending the vertical message of radio resource control connection reestablishment, to described subscriber equipment, send the first message Y, in the first message Y, obtain the information for one or more component carriers of user device configuration; Or, send wireless resource control connection reconfiguration message to described subscriber equipment, and carry the information into the one or more component carrier of user device configuration in described wireless resource control connection reconfiguration message; Or, when sending wireless resource control connection reconfiguration message, to described subscriber equipment, send the second message M, in the second message M, obtain the information for one or more component carriers of user device configuration.
9. method according to claim 7, is characterized in that,
It is described when reception radio resource control connection reestablishment has found message, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply, comprise: receive radio resource control connection reestablishment and found message, from described radio resource control connection reestablishment, stood and message, obtained the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply; Or, when reception radio resource control connection reestablishment has found message, receive the 3rd message N, in described the 3rd message N, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply;
The described information by the one or more component carriers for user device configuration offers described subscriber equipment and comprises: send wireless resource control connection reconfiguration message to described subscriber equipment, and in described wireless resource control connection reconfiguration message, carry the information into one or more component carriers of user device configuration; Or, when sending wireless resource control connection reconfiguration message, to described subscriber equipment, send the second message M, in the second message M, obtain the information for one or more component carriers of user device configuration.
10. according to the method described in claim 7 to 9 any one, it is characterized in that, for described user equipment allocation category-B transmission bandwidth resource comprises: the bandwidth resources in a plurality of Transmission Time Intervals are bound together as category-B transmission bandwidth resource, distribute described category-B transmission bandwidth resource to described subscriber equipment.
11. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
The first transmitting element for need to recover when communication on a plurality of component carriers when subscriber equipment, selects a lead code to send to base station in leading code character B, take and indicates described base station as described user equipment allocation category-B transmission bandwidth resource;
The second transmitting element, subscriber equipment is used for when need to not recover communication on a plurality of component carriers, in leading code character A, select a lead code to send to described base station, take and indicate described base station as described user equipment allocation category-A transmission bandwidth resource, described category-A transmission bandwidth is less than category-B transmission bandwidth;
Measurement result provides unit, for when sending the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation offers base station by the measurement result of one or more component carriers;
Configuration information acquiring unit, for obtaining the information that described base station is one or more component carriers of user device configuration.
12. subscriber equipmenies according to claim 11, is characterized in that, described measurement result provides unit to comprise:
The first sending module, for the vertical request message of radio resource control connection reestablishment is sent to base station, and to utilize base station be the category-A of described user equipment allocation or the measurement result that category-B transmission bandwidth resource is carried one or more component carriers in the vertical request message of described radio resource control connection reestablishment; Or,
The second sending module, for when sending the vertical request message of radio resource control connection reestablishment, by another message X, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation sends to base station by the measurement result of one or more component carriers; Or,
The 3rd sending module, send to base station for radio resource control connection reestablishment has been found to message, and to utilize base station be that category-A or the category-B transmission bandwidth resource of described user equipment allocation carried the measurement result of one or more component carriers in described radio resource control connection reestablishment has found message; Or,
The 4th sending module, for when sending radio resource control connection reestablishment and having found message, by another message N, utilizing base station is that category-A or the category-B transmission bandwidth resource of described user equipment allocation sends to base station by the measurement result of one or more component carriers.
13. 1 kinds of base stations, is characterized in that, comprising:
Lead code receiving element, the lead code of sending for receiving subscriber equipment;
The first allocation units, for when described lead code belongs to leading code character B, are described user equipment allocation category-B transmission bandwidth resource;
The second allocation units, for when described lead code belongs to leading code character A, are described user equipment allocation category-A transmission bandwidth resource; Described category-A transmission bandwidth is less than category-B transmission bandwidth;
Measurement result receiving element, for when receiving the vertical request message of radio resource control connection reestablishment or radio resource control connection reestablishment and having found message, obtain the measurement result that subscriber equipment utilizes one or more component carriers of category-A or category-B transmission bandwidth Resource Supply;
Configuration information provides unit, for the information of the one or more component carriers for user device configuration is offered to described subscriber equipment.
Applications Claiming Priority (1)
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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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| US10575338B2 (en) * | 2016-02-04 | 2020-02-25 | Samsung Electronics Co., Ltd. | Method and apparatus for UE signal transmission in 5G cellular communications |
| CN106604337A (en) * | 2017-02-13 | 2017-04-26 | 中国联合网络通信集团有限公司 | RRC connection rebuilding method and system |
| CN115412983A (en) * | 2019-12-25 | 2022-11-29 | 上海朗帛通信技术有限公司 | Method and device used in node of wireless communication |
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| CN1658542A (en) * | 2004-02-17 | 2005-08-24 | 华为技术有限公司 | Method for setting wireless access load |
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