CN101754414A - Method and device for RRC connection reestablishment - Google Patents
Method and device for RRC connection reestablishment Download PDFInfo
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- CN101754414A CN101754414A CN200810241221A CN200810241221A CN101754414A CN 101754414 A CN101754414 A CN 101754414A CN 200810241221 A CN200810241221 A CN 200810241221A CN 200810241221 A CN200810241221 A CN 200810241221A CN 101754414 A CN101754414 A CN 101754414A
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- 230000000977 initiatory effect Effects 0.000 claims description 9
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- 230000011664 signaling Effects 0.000 abstract description 11
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Abstract
The invention provides a method and a device for RRC connection reestablishment. The method is that a proper community is selected; the RRC connection reestablishment is initiated if the selected proper community is viewed as a prepared community; and idle state is returned if the selected proper community is viewed as an unprepared community. By adopting the method and the device for controlling the RRC connection reestablishment through wireless resources, the signaling flow is saved.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to method, the device of the RRC connection reconstruction in the wireless communication technology field.
Background technology
After UE detects Radio Link Failure, handoff failure, bottom indication integrity protection failure or the failure of RRC reprovision; UE initiates to need to carry out cell selecting before the RRC connection reconstruction; UE selects a proper cell according to the cell selecting criterion; if select an E-UTRA sub-district; then initiate RRC connection reconstruction request message; if select a different system cell, then get back to idle condition.
The LTE system only supports the back to switching at present, UE is before the RRC connection reconstruction is initiated in the sub-district, the context of this UE is prepared in this sub-district, and this sub-district does not need to obtain this UE context to cell-of-origin or mobile management entity MME, and the concrete steps that this UE initiates the RRC connection reconstruction are as follows:
101, UE selects proper cell;
102, this UE sends RRC connection reconstruction request message to this proper cell;
103a, if there is the context of this UE in this proper cell, this sub-district sends RRC connection reconstruction message, execution in step 104 to this UE;
103b, if there is not the context of this UE in this proper cell, this sub-district sends RRC connection reconstruction refuse information, execution in step 105 to UE;
104, UE sends the RRC connection reconstruction to this proper cell and finishes message;
105, UE gets back to idle condition.
There is not the context of this UE in the suitable cell of selecting as UE, and network side just can be got back to idle condition after need sending RRC connection reconstruction refuse information, the waste signaling process.
Summary of the invention
The technical problem underlying that the embodiment of the invention will solve provides a kind of method, device of RRC connection reconstruction, avoids network side to send RRC connection reconstruction refuse information, has saved signaling process.
For addressing the above problem, various embodiments of the present invention provide following technical scheme:
A kind of method of RRC connection reconstruction specifically comprises:
Select proper cell;
If selecting proper cell is ready sub-district, then initiate the RRC connection reconstruction;
If selecting proper cell is not ready sub-district, then return idle condition.
A kind of device of RRC connection reconstruction specifically comprises:
Select module, be used to select proper cell;
Processing module is used for according to selecting whether proper cell is that ready sub-district is carried out the RRC connection reconstruction or entered idle condition.
Before initiating the RRC connection reconstruction, UE selects proper cell, if this selection proper cell is ready sub-district, then initiates the RRC connection reconstruction; If this selection proper cell is not ready sub-district, then return idle condition, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
Description of drawings
Fig. 1 is the schematic flow sheet of the embodiment of the invention one RRC connection reconstruction method;
Fig. 2 is the schematic flow sheet of the embodiment of the invention two RRC connection reconstruction methods;
Fig. 3 is the schematic flow sheet of the embodiment of the invention three RRC connection reconstruction methods;
Fig. 4 is the schematic flow sheet of the embodiment of the invention four RRC connection reconstruction methods;
Fig. 5 is the schematic flow sheet of the embodiment of the invention five RRC connection reconstruction methods;
Fig. 6 is the schematic flow sheet of the embodiment of the invention six RRC connection reconstruction methods.
Fig. 7 is a RRC connection reconstruction apparatus structure schematic diagram of the present invention;
Fig. 8 is a RRC connection reconstruction device processing module structural representation of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Owing to reasons such as Radio Link Failure, handoff failure, integrity protection failure, the failure of RRC reprovision cause the RRC connection reconstruction; UE UE before initiating the RRC connection reconstruction need select proper cell; select according to UE whether suitable cell is the situation of ready sub-district, initiate the RRC connection reconstruction or enter idle condition.
The invention provides following embodiment for this reason.
As shown in Figure 1, be the RRC connection reconstruction method first embodiment schematic flow sheet of the present invention, may further comprise the steps:
101, select proper cell;
102a, if this selection proper cell be ready sub-district, then initiate the RRC connection reconstruction;
102b, if this selection proper cell be not ready sub-district, then return idle condition.
Wherein, step 101 also comprises after selecting proper cell, the indication information of set of configuration parameters is carried in reception, obtain all or the part Physical Cell Identifier according to the indication information that carries set of configuration parameters,, obtain all or the ready cell list of part according to whole or part Physical Cell Identifier.
Wherein, obtain whole Physical Cell Identifier, specifically comprise:
If the set of configuration parameters of carrying in the indication information is same set of configuration parameters;
Obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell by the indication information that carries with set of configuration parameters, according to the characteristic that the hierarchy relation and the same base station cell UE context of the physical area of cell-of-origin or cell-of-origin and Target cell are shared, acquisition source base station or source base station and the whole Physical Cell Identifier of target BS.
If it is non-same set of configuration parameters that this indication information carries set of configuration parameters, this indication information also carries non-Physical Cell Identifier on the same group;
By carrying non-indication information with set of configuration parameters and non-Physical Cell Identifier on the same group, obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell, according to this Physical Cell Identifier and this non-Physical Cell Identifier on the same group on the same group, acquisition source base station or source base station and the whole Physical Cell Identifier of target BS.
Wherein, obtain the whole Physical Cell Identifier of source base station, specifically comprise:
If the indication information that is somebody's turn to do comprises the system message of carrying set of configuration parameters, and, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters by the RRC connection reconstruction that non-switching correlation circumstance causes.
Wherein, obtain source base station and the whole Physical Cell Identifier of target BS, specifically comprise:
If the indication information that is somebody's turn to do comprises system message of carrying set of configuration parameters and the switching command that carries set of configuration parameters, and switching and received the failure that switches after the switching command, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of target BS by the switching command that carries set of configuration parameters.
If the indication information that is somebody's turn to do comprises the system message of carrying set of configuration parameters and carries the measurement control messages of set of configuration parameters, and switching and receiving Radio Link Failure is taking place before the switching command, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of target BS by the measurement control messages of carrying set of configuration parameters.
Wherein, obtain partly Physical Cell Identifier, specifically comprise:
If the set of configuration parameters that this indication information carries is non-same set of configuration parameters;
By carrying non-indication information acquisition cell-of-origin part Physical Cell Identifier or cell-of-origin and Target cell part Physical Cell Identifier, according to cell-of-origin part Physical Cell Identifier or cell-of-origin and Target cell part Physical Cell Identifier acquisition source base station or source base station and target BS part Physical Cell Identifier with set of configuration parameters;
UE initiates the RRC connection reconstruction after obtaining the part Physical Cell Identifier, specifically comprises:
If switching and received the failure that switches before the switching command, then according to the priority orders initiation RRC connection reconstruction of source base station sub-district, new sub-district;
As if switching and Radio Link Failure having taken place, then, initiate the RRC connection reconstruction according to the priority orders of target BS sub-district, source base station sub-district, new sub-district after receiving switching command;
If other non-switching correlation circumstances have caused the RRC connection reconstruction, then initiate the RRC connection reconstruction to the source base station sub-district.
Above-mentioned implementation is by before initiating the RRC connection reconstruction, and UE selects proper cell, if this selection proper cell is ready sub-district, then initiates the RRC connection reconstruction; If this selection proper cell is not ready sub-district, then return idle condition, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
As shown in Figure 2, be the RRC connection reconstruction method second execution mode schematic flow sheet of the present invention, may further comprise the steps:
201, UE selects a proper cell;
202, UE obtains ready cell list;
If the base station is same configuration set, then the Physical Cell Identifier of base station adopts the hierarchy of group id and cell ID, this base station comprises 504 Physical Cell Identifier, and 504 physical areas can be divided into 168 physical area groups, and every group comprises 3 unique Physical Cell Identifier.UE can way system information, switching command, measurement control messages, obtain the physical-layer cell identifier of cell-of-origin or cell-of-origin and Target cell, obtain the physical-layer cell identifier of other sub-districts of same base according to the hierarchy relation, thereby obtain ready cell list.
Primary synchronization channel has three different Primary Synchronisation Codes, has the relation of correspondence mappings one by one in each cell set between three unique Physical Cell Identifier and this Primary Synchronisation Code.Identical and the orthogonal sequence difference of the pseudo noise code of the sub-district of same base station in plot planning, the identical and Physical Cell Identifier difference of group id just, such structure can reduce the interference between the different districts of same base station.
The initiation process of RRC connection reconstruction is divided into three kinds of situations:
If switching and received the failure that switches after the switching command, obtain whole Physical Cell Identifier of this source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of this target BS by the switching command that carries set of configuration parameters.
Radio Link Failure takes place if switching and before receiving switching command, obtain whole Physical Cell Identifier of this source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of this target BS by the measurement control messages of carrying set of configuration parameters.
If not switch the RRC connection reconstruction that correlation circumstance causes, obtain whole Physical Cell Identifier of this source base station by the system message of carrying set of configuration parameters.
203, UE judges according to obtaining whole ready cell lists whether selected proper cell is ready sub-district;
If the proper cell that UE selects is in ready cell list, then 204a is carried out in the proper cell sub-district for ready for of UE selection;
If the proper cell that UE selects is not in ready cell list, then the proper cell of UE selection is unripe sub-district, carries out 204b.
204a, UE initiate the RRC connection reconstruction;
204b, UE enter idle condition.
In sum, if the base station is same configuration set, then UE obtains all Physical Cell Identifier of this base station, according to whole Physical Cell Identifier, obtain ready cell list, UE is according to obtaining whole ready cell lists, knows whether for ready for sub-district of selected proper cell, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
As shown in Figure 3, be RRC connection reconstruction method the 3rd execution mode schematic flow sheet of the present invention, may further comprise the steps:
301, select proper cell;
302, UE obtains ready cell list according to the indication information that carries the group parameter configuration that receives;
The set of configuration parameters that this indication information carries represents that with a bit parameter base station is with configuration set or non-same configuration set, specifically comprises:
If switching and received the failure that switches after the switching command, this indication information comprises system message of carrying set of configuration parameters and the switching command that carries set of configuration parameters;
If switching and before receiving switching command Radio Link Failure takes place, this indication information comprises the system message of carrying set of configuration parameters and carries the measurement control messages of set of configuration parameters;
If not switch the RRC connection reconstruction that correlation circumstance causes, this indication information comprises the system message of carrying set of configuration parameters.
303, judge whether to obtain whole ready cell lists;
If it is same set of configuration parameters that this indication information carries set of configuration parameters, obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell by carrying with the set of configuration parameters indication information, according to the hierarchy relation of the physical area of cell-of-origin or cell-of-origin and Target cell and the shared characteristic of sub-district UE context of same base station, obtain source base station or source base station and the whole Physical Cell Identifier of target BS, according to whole Physical Cell Identifier, obtain whole ready cell lists, then execution in step 304;
If this indication information carries the non-same set of configuration parameters of set of configuration parameters, obtain partly Physical Cell Identifier of cell-of-origin or cell-of-origin and Target cell by carrying non-indication information with set of configuration parameters, obtain partly Physical Cell Identifier of source base station or source base station and target BS according to the non-Physical Cell Identifier of part on the same group, thereby obtain partly to be ready to cell list.Because of UE does not obtain whole ready cell lists, UE initiates the RRC connection reconstruction, specifically comprises:
If switching and received the failure that switches before the switching command, then according to the priority orders sub-district initiation RRC connection reconstruction of source base station sub-district, new sub-district;
As if switching and Radio Link Failure having taken place, then, initiate the RRC connection reconstruction according to the priority orders of target BS sub-district, source base station sub-district, new sub-district after receiving switching command;
If other non-switching correlation circumstances have caused the RRC connection reconstruction, then initiate the RRC connection reconstruction to the source base station sub-district.
304, UE judges according to obtaining whole ready cell lists whether selected proper cell is ready sub-district;
If the proper cell that UE selects is in ready cell list, then 305a is carried out in the proper cell sub-district for ready for of UE selection;
If the proper cell that UE selects is not in ready cell list, then the proper cell of UE selection is unripe sub-district, carries out 305b.
305a, UE initiate the RRC connection reconstruction;
305b, UE enter idle condition.
Present embodiment carries on the same group by indication information or non-on the same group set of configuration parameters, obtain whole or the ready cell list of part, if UE obtains whole ready cell lists, then UE determines whether to carry out the RRC connection reconstruction according to the result of cell selecting, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
As shown in Figure 4, be RRC connection reconstruction method the 4th execution mode schematic flow sheet of the present invention, UE is switching and is receiving the method that switches failure behind the switching command and carry out the RRC connection reconstruction, may further comprise the steps:
401, UE sends measurement report message according to measuring configuration to cell-of-origin (Source Cell);
402, the cell-of-origin determines whether that according to measurement result and handoff algorithms needs switch, and the cell-of-origin sends handoff request message to Target cell;
403, Target cell determines whether to admit the handoff request message of UE, if admit the handoff request message success of UE, then Target cell sends switching response message to the cell-of-origin;
404, the cell-of-origin to UE send carry the switching command of set of configuration parameters after, the cell-of-origin failure that switches;
This switching command carries with a bit parameter represents whether target BS is a same configuration set;
405, UE selects proper cell;
406, UE judges whether to obtain whole ready cell lists according to the system message and the switching command that carry set of configuration parameters.
If the set of configuration parameters that the switching command of the system message of this cell-of-origin and Target cell carries is non-same set of configuration parameters, then UE obtains partly ready cell list, then initiates the RRC connection reconstruction;
If the set of configuration parameters that the switching command of the system message of this cell-of-origin and Target cell carries is same set of configuration parameters, then UE obtains whole ready cell lists, execution in step 407;
407, UE judges that this selection proper cell is whether in ready cell list;
If UE selects proper cell not in ready cell list, then UE enters idle condition;
If UE selects proper cell in ready cell list, then hold 408 steps.
408, UE sends RRC connection reconstruction request message to new sub-district (New Cell);
409, new sub-district sends RRC connection reconstruction message to UE;
410, UE returns the RRC connection reconstruction to new sub-district and finishes message;
411, the RRC link-recovery is finished, and transmits grouped data.
Present embodiment is switching with UE and is receiving that the failure that switches behind the switching command is an example, represent by in switching command and system message, increasing by a bit parameter whether the target BS at this Target cell and place, cell-of-origin and source base station are same configuration set, if the base station is same configuration set, then can obtain whole ready cell lists, UE determines whether to carry out the RRC connection reconstruction according to the result of cell selecting, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
As shown in Figure 5, be RRC connection reconstruction method the 5th execution mode schematic flow sheet of the present invention, may further comprise the steps:
501, select proper cell;
502, UE obtains whole ready cell lists according to the indication information that carries set of configuration parameters that receives;
This indication information carries set of configuration parameters and represents that with a bit parameter base station is with configuration set or non-same configuration set, if source base station or source base station and the same configuration set of target BS right and wrong, this indication information also need carry non-Physical Cell Identifier on the same group, specifically comprises:
If it is same set of configuration parameters that this indication information carries set of configuration parameters, obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell by carrying with the set of configuration parameters indication information, hierarchy relation and the shared characteristic of same base station cell UE context according to the physical area of cell-of-origin or cell-of-origin and Target cell, obtain whole Physical Cell Identifier under source base station or source base station and the target BS, according to whole Physical Cell Identifier, obtain whole ready cell lists.
If it is non-same set of configuration parameters that indication information carries set of configuration parameters, this indication information also carries non-Physical Cell Identifier on the same group;
By carrying non-indication information with set of configuration parameters and non-Physical Cell Identifier on the same group, obtain the Physical Cell Identifier on the same group of cell-of-origin or the Physical Cell Identifier on the same group of cell-of-origin and Target cell, according on the same group Physical Cell Identifier and non-on the same group Physical Cell Identifier, obtain whole Physical Cell Identifier under source base station or source base station and the target BS, obtain the list information of whole ready sub-districts according to whole Physical Cell Identifier.
This indication information specifically comprises:
If switching and received the failure that switches after the switching command, this indication information comprises system message of carrying set of configuration parameters and the switching command that carries set of configuration parameters;
If switching and before receiving switching command Radio Link Failure takes place, this indication information comprises the system message of carrying set of configuration parameters and carries the measurement control messages of set of configuration parameters;
If not switch the RRC connection reconstruction that correlation circumstance causes, this indication information comprises the system message of carrying set of configuration parameters.
503, UE judges according to obtaining whole ready cell lists whether selected proper cell is ready sub-district
If the proper cell that UE selects is in ready cell list, then 504a is carried out in the proper cell sub-district for ready for of UE selection;
If the proper cell that UE selects is not in ready cell list, then the proper cell of UE selection is unripe sub-district, carries out 504b.
504a, UE initiate the RRC connection reconstruction;
504b, UE enter idle condition.
Present embodiment is by carrying the set of configuration parameters indication information, this set of configuration parameters represents that with a bit parameter base station is with configuration set or non-same configuration set, if source base station or source base station and target BS are same configuration set, then source base station or source base station and target BS can obtain whole ready cell lists; If source base station or source base station and the same configuration set of target BS right and wrong, then this indication information also carries non-Physical Cell Identifier on the same group, thereby obtain the tabulation of source base station or source base station and the whole ready sub-districts of target BS, UE determines whether to carry out the RRC connection reconstruction according to the result of cell selecting, avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
As shown in Figure 6, be RRC connection reconstruction method the 6th execution mode schematic flow sheet of the present invention, UE is switching and is receiving the method that switches failure behind the switching command and carry out the RRC connection reconstruction, specifically comprises:
601, UE sends measurement report message according to measuring configuration to the cell-of-origin;
602, the cell-of-origin determines whether that according to measurement result and handoff algorithms needs switch, and the cell-of-origin sends handoff request message to Target cell;
603, Target cell determines whether to admit the handoff request message of UE, if admit the handoff request message success of UE, then Target cell sends switching response message to the cell-of-origin;
604, the cell-of-origin to UE send carry the switching command of set of configuration parameters after, the cell-of-origin failure that switches;
This set of configuration parameters represents that with a bit parameter UE obtains by the set of configuration parameters that system message and switching command carry whether cell-of-origin and Target cell place source base station and target BS are same configuration set;
If it is same set of configuration parameters that this system message and switching command carry set of configuration parameters,, obtain source base station and the whole ready cell lists of target BS by carrying Physical Cell Identifier with set of configuration parameters cell-of-origin and Target cell;
If the set of configuration parameters that this system message and switching command carry is non-same set of configuration parameters, this system message and switching command also carry non-Physical Cell Identifier with configuration set, according to this Physical Cell Identifier on the same group and this non-Physical Cell Identifier on the same group, obtain whole Physical Cell Identifier of source base station and target BS, obtain the list information of whole ready sub-districts according to whole Physical Cell Identifier.
605, UE selects proper cell;
606, UE judges that this selection proper cell is whether in ready cell list;
If UE selects proper cell not in ready cell list, then UE enters idle condition;
If UE selects proper cell in ready cell list, then hold 607 steps.
607, UE sends RRC connection reconstruction request message to new sub-district;
608, new sub-district sends RRC connection reconstruction message to UE;
609, UE returns the RRC connection reconstruction to new sub-district and finishes message;
610, the RRC link-recovery is finished, and transmits grouped data.
Present embodiment is switching with UE and is receiving to switch behind the switching command and is being example, represent by in switching command and system message, increasing by a bit parameter whether the base station at this Target cell and place, cell-of-origin is same configuration set, if the base station is same configuration set, then can obtain whole ready cell lists, if source base station and the same configuration set of target BS right and wrong, this indication information also need carry non-Physical Cell Identifier on the same group, thereby obtain whole ready cell lists, UE determines whether to carry out the RRC connection reconstruction according to the result of cell selecting, avoid network side to send the RRC connection refused message, saved signaling process.
As shown in Figure 7, be RRC connection reconstruction apparatus structure schematic diagram of the present invention, specifically comprise:
Select module 10, be used to select proper cell;
Processing module 11, being used for according to this proper cell is that the RRC connection reconstruction is initiated in ready sub-district or this proper cell is not that ready sub-district enters idle condition.
Wherein, as shown in Figure 8, processing module specifically comprises:
Acquisition module 111 is used for the same set of configuration parameters and the non-same set of configuration parameters of carrying according to indication information, obtains all or ready cell list partly, and this acquisition module specifically comprises:
Acquisition module 1 is used for if switching and received the failure that switches after the switching command, according to the system message of carrying set of configuration parameters with carry the switching command of set of configuration parameters, obtains all or the part Physical Cell Identifier;
Acquisition module 2 1112 is used for switching and receives Radio Link Failure has taken place before the switching command, according to the system message of carrying set of configuration parameters with carry the measurement control messages of set of configuration parameters, obtains all or Physical Cell Identifier partly;
Acquisition module 3 1113 with the RRC connection reconstruction that causes owing to non-switching correlation circumstance, according to the system message of carrying set of configuration parameters, obtains all or the part Physical Cell Identifier;
Judge module 1 is used to judge whether to obtain whole Physical Cell Identifier;
Judge module 113 is used for according to these whole ready cell lists, judges whether the suitable cell of selecting is ready sub-district.
By before initiating the RRC connection reconstruction, UE selects proper cell, is ready sub-district if select proper cell, then initiates the RRC connection reconstruction; If selecting proper cell is not ready sub-district, then return idle condition.Avoid network side to send RRC connection reconstruction refuse information, saved signaling process.
Description by each above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode of software and essential general hardware platform, certainly, also can pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the method that each embodiment of the present invention is somebody's turn to do.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (12)
1. radio resource control RRC connection reconstruction method is characterized in that:
Select proper cell;
If the RRC connection reconstruction is then initiated in described selection proper cell sub-district for ready for;
If described selection proper cell is unripe sub-district, then return idle condition.
2. RRC connection reconstruction method according to claim 1 is characterized in that, after the described selection proper cell step, also comprises:
Obtain all or ready cell list partly, according to this all or partly ready cell list judge whether for ready for sub-district of this suitable cell.
3. RRC connection reconstruction method according to claim 2 is characterized in that, the whole or ready cell list of part of described acquisition specifically comprises:
The indication information of set of configuration parameters is carried in reception;
Obtain all or the part Physical Cell Identifier according to the indication information that carries set of configuration parameters,, obtain all or the ready cell list of part according to whole or part Physical Cell Identifier.
4. RRC connection reconstruction method according to claim 3 is characterized in that, the whole Physical Cell Identifier of described acquisition specifically comprise:
If the set of configuration parameters of carrying in the indication information is same set of configuration parameters;
Obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell by the indication information that carries with set of configuration parameters, according to the hierarchy relation and the shared characteristic of same base station sub-district UE context down of the physical area of cell-of-origin or cell-of-origin and Target cell, acquisition source base station or source base station and the whole Physical Cell Identifier of target BS; Or
If it is non-same set of configuration parameters that described indication information carries set of configuration parameters, described indication information also carries non-Physical Cell Identifier on the same group;
By carrying non-indication information with set of configuration parameters and non-Physical Cell Identifier on the same group, obtain the Physical Cell Identifier of cell-of-origin or the Physical Cell Identifier of cell-of-origin and Target cell, according to described Physical Cell Identifier on the same group and described non-Physical Cell Identifier on the same group, obtain source base station or source base station and the whole Physical Cell Identifier of target BS.
5. RRC connection reconstruction method according to claim 4 is characterized in that, whole Physical Cell Identifier of described acquisition source base station specifically comprise:
If described indication information comprises the system message of carrying set of configuration parameters, and, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters by the RRC connection reconstruction that non-switching correlation circumstance causes.
6. RRC connection reconstruction method according to claim 4 is characterized in that, whole Physical Cell Identifier of described acquisition source base station and target BS specifically comprise:
If described indication information comprises system message of carrying set of configuration parameters and the switching command that carries set of configuration parameters, and switching and received the failure that switches after the switching command, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of target BS by the switching command that carries set of configuration parameters; Or
If described indication information comprises the system message of carrying set of configuration parameters and carries the measurement control messages of set of configuration parameters, and switching and receiving Radio Link Failure is taking place before the switching command, obtain whole Physical Cell Identifier of source base station by the system message of carrying set of configuration parameters, obtain whole Physical Cell Identifier of target BS by the measurement control messages of carrying set of configuration parameters.
7. RRC connection reconstruction method according to claim 3 is characterized in that, described acquisition is Physical Cell Identifier partly, specifically comprises:
If the set of configuration parameters that described indication information carries is non-same set of configuration parameters;
By carrying non-indication information acquisition cell-of-origin part Physical Cell Identifier or cell-of-origin and Target cell part Physical Cell Identifier, according to cell-of-origin part Physical Cell Identifier or cell-of-origin and Target cell part Physical Cell Identifier acquisition source base station or source base station and target BS part Physical Cell Identifier with set of configuration parameters;
After obtaining the part Physical Cell Identifier, initiate the RRC connection reconstruction.
8. according to the method for the described RRC connection reconstruction of claim 7, it is characterized in that described initiation RRC connection reconstruction specifically comprises:
If switching and received the failure that switches before the switching command, then according to the priority orders initiation RRC connection reconstruction of source base station sub-district, new sub-district; Or
As if switching and Radio Link Failure having taken place, then, initiate the RRC connection reconstruction according to the priority orders of target BS sub-district, source base station sub-district, new sub-district after receiving switching command; Or
If other non-switching correlation circumstances have caused the RRC connection reconstruction, then initiate the RRC connection reconstruction to the source base station sub-district.
9. the device of a RRC connection reconstruction is characterized in that:
Select module, be used to select proper cell;
Processing module, being used for according to this proper cell is that ready sub-district is initiated the RRC connection reconstruction or is not that ready sub-district enters idle condition according to this proper cell.
10. the device of RRC connection reconstruction according to claim 9 is characterized in that, described processing module also comprises:
Receiver module is used for receiving and carries the set of configuration parameters indication information;
Acquisition module is used for the same set of configuration parameters and the non-same set of configuration parameters of carrying according to indication information, obtains all or ready cell list partly;
Judge module one is used to judge whether to obtain whole Physical Cell Identifier.
11. the device of RRC connection reconstruction according to claim 10 is characterized in that, described acquisition module comprises:
Acquisition module one is used for, obtaining all or the part Physical Cell Identifier according to the described indication information that carries set of configuration parameters if switching and received the failure that switches after the switching command;
Acquisition module two is used for switching and receives and Radio Link Failure taken place before the switching command, according to the described indication information that carries set of configuration parameters, obtains all or Physical Cell Identifier partly;
Acquisition module three when being used for RRC connection reconstruction that other non-switching correlation circumstances cause, according to the described indication information that carries set of configuration parameters, obtains all or Physical Cell Identifier partly.
12. the device of RRC connection reconstruction according to claim 9 is characterized in that, described processing module also comprises:
Judge module is used for the whole ready cell list that obtains according to described, judges and selects whether proper cell is ready sub-district.
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