CN102932857A - Radio resource control (RRC) connection recovery method, base station and terminal - Google Patents
Radio resource control (RRC) connection recovery method, base station and terminal Download PDFInfo
- Publication number
- CN102932857A CN102932857A CN2011102314457A CN201110231445A CN102932857A CN 102932857 A CN102932857 A CN 102932857A CN 2011102314457 A CN2011102314457 A CN 2011102314457A CN 201110231445 A CN201110231445 A CN 201110231445A CN 102932857 A CN102932857 A CN 102932857A
- Authority
- CN
- China
- Prior art keywords
- target cell
- configuration information
- base station
- common configuration
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 238000004321 preservation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 208000000649 small cell carcinoma Diseases 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 9
- 238000010295 mobile communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000007726 management method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a radio resource control (RRC) connection recovery method, a base station and a terminal, which can be used to realize rapid recovery of RRC connection after switching failure or RLF (Radio Link Failure). The method comprises the steps of: receiving an indication of approaching a target cell or a measurement report carrying target cell information, reported by user equipment (UE), by a base station to which the current service cell of the user equipment belongs, and then, notifying public configuration information of the target cell to the UE, wherein the public configuration information is used for recovering the RRC connection between the UE and the target cell. The base station comprises a receiving module and a notifying module. The terminal comprises a sending module, a storage module and a connection recovery module. With adoption of the method, the base station and the terminal provided by the embodiment of the invention, the rapid recovery of the RRC connection after the switching failure or RLF can be realized, so that the user experience and the system performance are improved.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a kind of Radio Resource control (Radio Resource Control, RRC) and connect restoration methods, base station and terminal.
Background technology
Along with the development of mobile communication and information technology, the user is growing to the demand of data business.Present main flow mobile communications network, no matter be to adopt GSM (Global System For Mobile Communication, global system for mobile communications)/GPRS (General Packet Radio Service, GPRS) 2nd generation/the 2.5th third generation mobile communication network, still adopt UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) the 3rd third generation mobile communication network, it all is the homogeneous network (HomogeneousNetwork) by operator's unified planning to deploy, in a single day homogeneous network disposes, and the capacity of network is fixed in the certain area.In order to satisfy the day by day data traffic requirement of blowout, need operator to dispose more homogeneous network website, on the one hand, deployment and the grand website of the isomorphism that upholds one's heritage are costly, on the other hand, even in a large amount of new site of legacy network basis deploy, each website is in case dispose, its network capacity is fixed, and can not adapt to the demand of business load variation in some areas in the network and the demand that service quality (Quality of Service, QoS) changes.
In order to adapt to the growing data traffic requirement of user, the 4th third-generation mobile communication is at some low power nodes of basic deploy (Lower Power Node of original homogeneous network, LPN), comprise the little base station of low-power (pico eNB), Home eNodeB (HeNB/CSG/femto), via node (relay) etc., these low power nodes are because its transmitting power is lower, therefore with respect to the base station (eNB of Incumbent unified plan, NB etc.) macrocell that covers (macro cell), the residential quarter that these low power nodes cover can be referred to as Microcell (micro cell) or small-cell (small cell) or low power nodes residential quarter (LPN cell).Low power nodes is disposed flexibly, such as being deployed in the hot spot region, increase the covering of hot spot region, be exactly the schematic diagram that a kind of low power nodes focus covers as shown in Figure 1, low power nodes can be deployed in the hot spot region flexibly according to number of users, increase the network capacity of hot spot region, alleviate the load of hot spot region macrocell.Low power nodes can also be deployed in cell edge, strengthens the covering of cell edge, is exactly the schematic diagram that a kind of low power nodes cell edge covers such as Fig. 2, can effectively strengthen the covering of cell edge, improves the Qos of Cell Edge User.Low power nodes can also be deployed in indoor, strengthens indoor covering, is exactly the schematic diagram of the indoor covering of a kind of low power nodes such as Fig. 3, can effectively strengthen indoor covering, improve the Qos of indoor user, satisfy the high traffic demand of indoor user, alleviate simultaneously the load of macrocell.
The deployment of low power nodes can strengthen the residential quarter and cover on traditional macrocell basis, increase network capacity, shares the macrocell load, strengthens specific user's quality of service.Yet, low power nodes is because its transmitting power is low, the relatively traditional macrocell of its cell coverage area is little a lot, especially for the low power nodes of disposing with frequency, be that the operating frequency of the low power nodes of disposing in operating frequency and its coverage of macrocell is when identical, Zone switched between relatively traditional macrocell, Zone switched meeting between macrocell and the LPN residential quarter is little a lot, therefore under traditional mobile management technology, probably cause UE between macrocell and LPN residential quarter, switch failure and Radio Link Failure (Radio Link Failure, RLF) probability increases, if Radio Resource control (Radio Resource Control after handoff failure or the RLF, RRC) connection recovers untimely, will cause the UE call drop, and finally affecting user's experience and system is energy.Realize that for real the deployment of low power nodes strengthens covering to be reached for traditional macrocell, strengthens network capacity, shares the purpose that macrocell is loaded, simultaneously do not affect again systematic function, need to seek the mobility enhancement method that the afterwards high efficient recovery RRC of handoff failure or RLF connects.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Radio Resource control connection restoration methods, base station and terminal, can realize the fast quick-recovery of afterwards RRC connection of handoff failure or RLF.
For solving the problems of the technologies described above, the invention provides a kind of Radio Resource control (RRC) and connect restoration methods, comprising:
The indication near Target cell that this UE reports is received in the base station under subscriber equipment (UE) current service cell, after perhaps receiving the measurement report that carries target cell information that this UE reports, the common configuration information of Target cell is notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
Further, after described UE receives the common configuration information of Target cell, preserve the common configuration information of this Target cell, when carrying out the RRC connection reconstruction, use the common configuration information of the described Target cell of preserving to search for described Target cell and judge whether described Target cell is fit to described UE resident.
Further, the base station obtains one of in the following manner the common configuration information of Target cell under the UE current service cell:
Under the UE current service cell base station with Target cell under base station when setting up X2 interface, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station with Target cell under base station when upgrading base station configuration information, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station receive that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, the base station obtains the common configuration information of Target cell under the Target cell;
The base station obtains the common configuration information of Target cell under the UE current service cell by network management system.
Further, described method also comprises: the base station obtains the process of common configuration information of Target cell in base station under Target cell under the UE current service cell, with UE base station under the contextual information of current service cell sends to this Target cell.
Further, after UE preserved the common configuration information of this Target cell, described method also comprised: described UE arranges effective time for this common configuration information.
Further, can described common configuration information comprise that UE judges and select and access the necessary configuration information of described residential quarter B.
Further, described common configuration information comprises: the some or all of information in host system message block (MIB), system information block 1 (SIB1) and the system information block 2 (SIB2).
Further, described common configuration information comprises one or more of following information: frequency bandwidth information, physical hybrid automatic repeat request indicator channel (PHICH) configuration information, residential quarter access relevant information, relevant information is selected in the residential quarter, the common radio resources configuration information, base station power information.
Further, for time division multiplexing (TDD) system, described common configuration information also comprises the TDD configuration information.
Further, described common configuration information also comprises the more new logo of described common configuration information, after UE receives the common configuration information of Target cell, whether consistent with the more new logo that from system message of target cell, reads by the more new logo that compares in the common configuration information, determine whether continuing reading system message of target cell.
Further, current service cell comprises: macrocell or Microcell or small-cell; Described Target cell comprises one or more in the following residential quarter: macrocell, Microcell, small-cell.
For solving the problems of the technologies described above, the present invention also provides a kind of Radio Resource control (RRC) to connect the recovery base station, comprises receiver module and notification module, wherein:
Described receiver module is used for receiving this base station and administers the indication near Target cell that the subscriber equipment (UE) of residential quarter reports, and perhaps receives the measurement report that carries target cell information that this UE reports;
Described notification module is used for after described receiver module receives indication or measurement report the common configuration information of this Target cell being notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
For solving the problems of the technologies described above, the present invention also provides a kind of Radio Resource control (RRC) to connect the recovery terminal, and comprise sending module, preserve module and be connected and recover module, wherein:
Described sending module is used under current service cell base station and reports indication near Target cell, and perhaps the base station newspaper carries the measurement report of target cell information under the current service cell;
Described preservation module is used for after the common configuration information of the Target cell that receives the transmission of described base station the common configuration information of preserving this Target cell;
Described connection recovers module, is used for when carrying out the RRC connection reconstruction, uses the common configuration information of the described Target cell of described preservation module preservation to search for described Target cell and judge whether described Target cell is fit to described UE resident.
Adopt the described method of the embodiment of the invention, base station and terminal, can realize behind the handoff failure or RRC connects behind the RLF fast quick-recovery, experience thereby improve the user, improve systematic function.
Description of drawings
Fig. 1 is the schematic diagram that a kind of low power nodes focus covers;
Fig. 2 is the schematic diagram that a kind of low power nodes cell edge covers;
Fig. 3 is the schematic diagram of the indoor covering of a kind of low power nodes;
Fig. 4 is the embodiment of the invention 1,2,3 enforcement scene graph;
Fig. 5 is the flow chart of the embodiment of the invention 1;
Fig. 6 is the flow chart of the embodiment of the invention 2;
Fig. 7 is the flow chart of the embodiment of the invention 3;
Fig. 8 is the schematic diagram figure of the another kind of channel that the base station obtains common configuration information in the embodiment of the invention 3.
Embodiment
When subscriber equipment (User Equipment, UE) switches failure or RLF, for preventing that UE from directly entering the RRC Idle state and causing the current service disconnection of UE, UE will initiate RRC connection reconstruction process.The RRC connection reconstruction need to be carried out following operation, at first UE carries out the residential quarter selection, the residential quarter of selecting signal quality to satisfy the resident condition of UE, in this process, UE need to read the system message of Target cell, and whether purpose and this residential quarter of whether satisfying the resident condition of UE to reach the signal quality of judging this residential quarter allow the resident purpose of UE.After having selected suitable Target cell, UE initiates at random access at Target cell, after accessing at random successfully, ready Target cell (namely having UE at the Target cell of the contextual information of cell-of-origin) will recover UE before the RRC connection reconstruction the configuration of resident cell-of-origin to SRB1 (the Signal Radio Bear1 of UE, Signaling Radio Bearer 1), SRB2 (Signaling Radio Bearer 2) and each DRB (Data Radio Bear, Data Radio Bearer).
For adapting to the growing data traffic requirement of user, might dispose in a large number the LPN node in traditional grand network, thereby than the grand network of tradition, will there be the Zone switched of a lot of macrocells and LPN residential quarter in macrocell inside.Yet, because the asymmetry of macro base station and low power nodes transmitting power, Zone switched little a lot of between the Zone switched relative macrocell between macrocell and the LPN residential quarter, thus between macrocell and LPN residential quarter, the switch probability increase of failure and RLF of UE will be caused.Behind the handoff failure or in the recovery process that RRC connects after the RLF, UE need to read the system message of Target cell, probability increase along with handoff failure and RLF, UE is at every turn in the system message of carrying out all need reading when RRC connects recovery Target cell, thereby cause RRC recovery process slower, reduce user's business experience on the one hand, reduce on the other hand the entire system performance.
Be the fast quick-recovery of realizing that RRC connects, this paper provides following scheme:
The indication near Target cell that this UE reports is received in the base station under the UE current service cell, after perhaps receiving the measurement report that carries target cell information that this UE reports, the common configuration information of Target cell is notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
After UE receives the common configuration information of Target cell, preserve this common configuration information, when carrying out the RRC connection reconstruction, use the common configuration information of this Target cell of preserving to search for described Target cell and judge whether described Target cell is fit to described UE resident.
The base station obtains one of in the following manner the common configuration information of Target cell under the UE current service cell:
Under the UE current service cell base station with Target cell under base station when setting up X2 interface, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station with Target cell under base station when upgrading base station configuration information, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station receive that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, the base station obtains the common configuration information of Target cell under the Target cell;
The base station obtains the common configuration information of Target cell under the UE current service cell by network management system (Operation Administration and Maintenance, OAM).
Preferably, if under the UE current service cell base station receive that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, obtain the common configuration information of Target cell, this base station obtains the process of common configuration information of Target cell the base station under the contextual information of current service cell sends to this Target cell with UE in base station under Target cell.The contextual information of UE comprises: RAB (Radio Access Bear, RAB) configuration information, UE is in the security configuration information of residential quarter A, and UE is in relevant informations such as the RRC of residential quarter A configuration informations.
Preferably, described UE for this common configuration information arranges effective time, surpasses this effective time after the common configuration information of the Target cell that receives and preserve the base station notice, and this common configuration information then lost efficacy.
Each Target cell has the common configuration information of oneself, and this common configuration information is the part in the system message, comprises the necessary information of this Target cell of access.The common configuration information of described Target cell, can comprise that UE judges select and access the necessary configuration information of described Target cell, MIB (the master information block that specifically comprises defined among the relevant LTE technology 3GPP 36.331, host system message block), SIB1 (system information block1, system information block 1) and SIB2 (system information block2, system information block 2) the some or all of information in, such as comprising the part or all of of following information:
Frequency bandwidth information, PHICH (Physical Hybrid ARQ Indicator Channel, physical hybrid automatic repeat request indicator channel) configuration information, residential quarter access relevant information (cellAccessRelatedInfo), relevant information (cellSelectionInfo) is selected in the residential quarter, common radio resources configuration information (radioResourceConfigCommon), base station power information etc.
Preferably, for time division multiplexing (Time Division Duplexing, TDD) system, the common configuration information of Target cell also comprises TDD configuration information (tdd-Config).
Preferably, the common configuration information of Target cell can also comprise the more new logo (systemInfoValueTag) of described common configuration information, UE reads the system message of Target cell at needs, and (for example UE initiates the RRC connection reconstruction at Target cell, but the effective time of the common configuration information of having preserved is overtime) time, more new logo in the UE elder generation read system message, whether the more new logo of the common configuration information of relatively preserving is consistent with the more new logo in the system message that reads, to determine whether to continue read system message.Renewal sign in the system message is arranged in SIB1.If two more new logo is consistent, the system message that Target cell then is described does not change, and UE need not to continue to read this system message again, if two more new logo is inconsistent, change has occured in the system message that then represents Target cell, and UE need to continue to read this system message.
Current service cell may be macrocell or Microcell or small-cell; Target cell may be macrocell or Microcell or small-cell, and Target cell may have one also may have more than two.
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Embodiment 1
As shown in Figure 4, UE (405) is current to be in the RRC connection status in Serving cell A (402), and residential quarter A is controlled by 401 base station A (eNB-A).Be deployed with a low power nodes 403 under the A coverage of residential quarter, be called for convenience of description base station B (eNB-B) herein, the residential quarter that this low power nodes covers is residential quarter B (404), and the course of UE is shown in 406.The scheme that present embodiment is realized behind the handoff failure or RRC connects fast quick-recovery after the RLF is as shown in Figure 5:
Step 501, UE is to the indication of A transmission in base station near residential quarter B;
The mechanism such as positional information of the LPN residential quarter of once accessing that UE preserves by locating information or according to UE find to have approached LPN residential quarter B, and UE sends indication near residential quarter B to base station A.In the described indication near residential quarter B, carry Physical Cell Identifier (the Physical Cell Identity of residential quarter B, PCI), preferably can also carry global cell identity (the Cell Global Identity of residential quarter B, preserve when CGI), described PCI and CGI are the last access of UE residential quarter B.
Step 502, base station A obtains request to the common configuration information that base station B sends residential quarter B;
After base station A receives indication near residential quarter B, according to the CGI that carries in the indication near residential quarter B, if perhaps near only having carried PCI in the indication of residential quarter B, then base station A is according to the neighboring BS information of preserving among the A of base station or according to the neighboring BS information that obtains from OAM, obtain the CGI of residential quarter B, then base station A obtains request according to described CGI to the common configuration information that base station B sends residential quarter B.
Described common configuration information is obtained the CGI that carries residential quarter B in the request, preferably, base station A can also obtain in the common configuration information of described residential quarter B and carry UE in the request at the contextual information of residential quarter A, when selecting residential quarter B when initiating the RRC connection reconstruction if follow-up UE switches after failure or the RLF to guarantee, described residential quarter B residential quarter for ready for.The RAB that the UE contextual information comprises (Radio Access Bear, RAB) configuration information, UE is in the security configuration information of residential quarter A, and UE is in relevant informations such as the RRC of residential quarter A configuration informations.
Step 503, base station B is to the common configuration information of base station A feedback residential quarter B;
The common configuration information of described residential quarter B comprises MIB, the SIB1 of regulation among the relevant LTE technology 3GPP 36.331 and the some or all of information of SIB2.Concrete, such as comprising:
Frequency bandwidth information, PHICH (Physical Hybrid ARQ Indicator Channel, physical hybrid automatic repeat request indicator channel) configuration information, residential quarter access relevant information (cellAccessRelatedInfo), relevant information (cellSelectionInfo) is selected in the residential quarter, common radio resources configuration information (radioResourceConfigCommon), base station power information etc.Concrete every configuration information can be with reference to 3GPP TS36.331.
For time division multiplexing (Time Division Duplexing, TDD) system, the configuration information of described residential quarter B also comprises TDD configuration information (tdd-Config), and the TDD configuration information is specifically with reference to 3GPPTS36.331.
The configuration information of described residential quarter B can also comprise the effective value sign (systemInfoValueTag) of described configuration information.Concrete systemInfoValueTag is with reference to 3GPP TS36.331.
Step 504, base station A sends to described UE to the common configuration information of described residential quarter B after receiving the common configuration information of the residential quarter B that base station B sends;
UE preserves the common configuration information of residential quarter B, and preferred, UE can think that the common configuration information of described residential quarter B lost efficacy over time, such as losing efficacy after 3 hours.
Step 505, UE is at Zone switched interior generation RLF or the handoff failure of residential quarter A and residential quarter B;
UE is because Serving cell a-signal Quality Down detects RLF; Perhaps the signal quality of residential quarter B enough trigger well base station A be the triggering of UE configuration switch measurement report the time, this measurement report can't report because Serving cell a-signal quality is too poor, perhaps this measurement report has successfully reported base station A, but because the switching command of the too poor base station A of Serving cell a-signal quality can't send to the reasons such as UE, cause the UE handoff failure.
Step 506, UE initiates the RRC connection reconstruction, uses the common configuration information search cell B of residential quarter B and judge whether residential quarter B is fit to UE resident;
UE is when the RRC connection reconstruction, search cell B and judge that whether residential quarter B is fit to UE when resident, directly use the common configuration information of the 504 residential quarter B that obtain, do not need to obtain by the system message that reads residential quarter B the common configuration information of described residential quarter B, thereby can save the time that the hundreds of millisecond reads residential quarter B system message for UE, accelerate the reconstruction speed that RRC connects, namely accelerated RRC and connected the speed of recovering.
In addition, in the correlation technique, base station A only makes in the time of need to switching to the decision-making of other residential quarters to UE from current service cell A, just can send UE to the adjacent base station (such as base station B) of base station A at the UE of residential quarter A contextual information.Situation for non-handoff failure, the situation of RLF occurs at residential quarter A such as UE, the adjacent base station of very possible base station A does not obtain UE at the UE of residential quarter A context, thereby does not cause the RRC connection reconstruction unsuccessfully because Target cell does not have the context of UE when causing the Target cell of UE RRC connection reconstruction under the adjacent base station.In view of this, base station A has also sent UE at the UE of residential quarter A contextual information to base station B in the step 502 when base station B sends to residential quarter B request common configuration information, residential quarter B is ready residential quarter in the time of can guaranteeing to greatest extent like this in the step 506 that UE initiates the RRC connection reconstruction, thereby can guarantee the success of RRC connection reconstruction, finally accelerate RRC and connected the speed of recovering.
Embodiment 2
Present embodiment UE and network coverage situation are with embodiment 1, as shown in Figure 4.The scheme that present embodiment is realized behind the handoff failure or RRC connects fast quick-recovery after the RLF is as shown in Figure 6:
Step 601, UE is to base station A reporting measurement reports;
UE is according to the configuration information of base station, measurement also judges that the signal quality of residential quarter B is higher than certain thresholding, but the signal quality of residential quarter B can not yet satisfy the condition that UE is switched to residential quarter B from residential quarter A, UE carries the measurement result of PCI and the residential quarter B of residential quarter B to base station A reporting measurement reports in the measurement report.
Step 602, base station A obtains request to the notice information that base station B sends residential quarter B;
Base station A according to the neighboring BS information of preserving among the A of base station or according to the neighboring BS information that obtains from OAM, obtains the CGI of residential quarter B after receiving indication near residential quarter B, and then base station A obtains request according to described CGI to the common configuration information that base station B sends residential quarter B.
Described common configuration information is obtained the CGI that carries residential quarter B in the request, preferably, base station A can also obtain in the common configuration information of described residential quarter B and carry UE in the request at the contextual information of residential quarter A, when selecting residential quarter B when initiating the RRC connection reconstruction if follow-up UE switches after failure or the RLF to guarantee, described residential quarter B residential quarter for ready for.The RAB that the UE contextual information comprises (Radio Access Bear, RAB) configuration information, UE is in the security configuration information of residential quarter A, and UE is in relevant informations such as the RRC of residential quarter A configuration informations.
Step 603～606 are with embodiment 1 step 503～506.
Embodiment 3
Present embodiment UE and network coverage situation are with embodiment 1, as shown in Figure 4.The scheme that present embodiment is realized behind the handoff failure or RRC connects fast quick-recovery after the RLF is as shown in Figure 7:
Step 701, base station A and base station B set up X2 interface, and concrete steps comprise:
701a. base station A sends X2 interface to base station B and sets up request (X2 SETUP REQUEST), described X2 interface is set up in the request, sends the PCI of residential quarter A under the A of base station, the common configuration information of CGI and residential quarter A;
701b. base station B sends X2 interface to base station A and sets up response (X2 SETUP RESPONSE), described X2 interface is set up in the response, and base station B sends the PCI of residential quarter B under the B of base station, the common configuration information of CGI and residential quarter B to base station A.
Need to prove that in the present embodiment, if between base station A and the base station B X2 interface has been arranged, then to obtain the process of the common configuration information of residential quarter B under the B of base station can also be process shown in Figure 70 1 ' to base station A, that is:
701 ' a. base station B sends base station configuration updating (ENB CONFIGURATION UPDATE) to base station A, comprises the PCI of residential quarter B in the described base station configuration updating, CGI, the common configuration information of residential quarter B.
701 ' b. base station A sends base station configuration updating acknowledge message (ENB CONFIGURATION UPDATE ACKNOWLEDGE) to base station B, to acknowledge receipt of the config update information of described base station A.
Further need to prove, in the present embodiment, if do not have direct physical to be connected between base station A and the base station B, can't set up X2 interface, might there be direct physical to be connected such as between macro base station and the Home eNodeB, then base station A can also obtain by OAM the common configuration information of residential quarter B under the B of base station, specifically as shown in Figure 8, there is not direct physical to be connected between base station A (801) and the base station B (802), but base station A can communicate by letter with OAM (803) with base station B, so base station A can obtain by OAM the common configuration information of residential quarter B under the B of base station.
Obtained the common configuration information of residential quarter B as base station A after, in a certain moment, certain UE is Zone switched near residential quarter A and residential quarter B's:
Step 702, UE is to indication or the measurement report of A transmission in base station near residential quarter B;
The mechanism such as positional information of the LPN residential quarter of once accessing that UE preserves by locating information or according to UE find to have approached LPN residential quarter B, and UE sends indication near residential quarter B to base station A.In the described indication near residential quarter B, carry the PCI of residential quarter B, preferably can also carry the CGI of residential quarter B.
Perhaps UE is according to the configuration information of base station, measurement also judges that the signal quality of residential quarter B is higher than certain thresholding, but the signal quality of residential quarter B can not yet satisfy the condition that UE is switched to residential quarter B from residential quarter A, UE carries the measurement result of PCI and the residential quarter B of residential quarter B to base station A reporting measurement reports in the measurement report.
Step 703, base station B sends to described UE to the common configuration information of residential quarter B;
After base station B receives measurement report, according to the neighboring BS information of preserving among the A of base station or according to the neighboring BS information that obtains from OAM, obtain the common configuration information of the 701 residential quarter B that obtain, and send to UE, UE preserves the common configuration information of described residential quarter B, preferably, UE can think that the common configuration information of described residential quarter B lost efficacy over time.
Step 704～705 are with embodiment 1 step 505～506.
Embodiment 4
Realize the base station of said method, comprise receiver module and notification module, wherein:
This receiver module is used for receiving this base station and administers the indication near Target cell that the UE of residential quarter reports, and perhaps receives the measurement report that carries target cell information that this UE reports;
This notification module is used for after described receiver module receives indication or measurement report the common configuration information of this Target cell being notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
Preferably, this base station also comprises the common configuration information acquisition module, and it one of is used in the following ways obtaining the common configuration information of Target cell:
When X2 interface was set up in the base station under this base station and Target cell, the base station obtained the common configuration information of Target cell under the Target cell;
When base station configuration information was upgraded in the base station under this base station and Target cell, the base station obtained the common configuration information of Target cell under the Target cell;
Receive in this base station that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, the base station obtains the common configuration information of Target cell under the Target cell;
Obtain the common configuration information of Target cell by network management system.
Preferably, this common configuration information acquisition module also is used for obtaining the process of the common configuration information of Target cell in base station under Target cell, with this UE base station under the contextual information of current service cell sends to this Target cell.
Above-mentioned common configuration information comprises: the some or all of information among MIB, SIB1 and the SIB2.For the TDD system, described common configuration information also comprises the TDD configuration information.Preferably, this common configuration information also comprises the more new logo of described common configuration information.
Embodiment 5
Realize the terminal of said method, comprise sending module, preserve module and be connected the recovery module, wherein:
This sending module is used under current service cell base station and reports indication near Target cell, and perhaps the base station newspaper carries the measurement report of target cell information under the current service cell;
This preserves module, is used for after the common configuration information of the Target cell that receives the transmission of described base station the common configuration information of preserving this Target cell;
This connects the recovery module, is used for when carrying out the RRC connection reconstruction, uses the common configuration information of the described Target cell of described preservation module preservation to search for described Target cell and judge whether described Target cell is fit to described UE resident.
Preferably, this terminal also comprises effective set of time module, and its common configuration information that is used to described preservation module to preserve arranges effective time.
Above-mentioned common configuration information comprises: the some or all of information among MIB, SIB1 and the SIB2.For the TDD system, described common configuration information also comprises the TDD configuration information.
Preferably, this common configuration information also comprises the more new logo of described common configuration information; This terminal comprises that also system message reads decision-making module, it is used for after receiving the common configuration information of Target cell, whether consistent with the more new logo that from system message of target cell, reads by the more new logo that compares in the common configuration information, determine whether continuing reading system message of target cell.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (22)
1. a Radio Resource control (RRC) connects restoration methods, comprising:
The indication near Target cell that this UE reports is received in the base station under subscriber equipment (UE) current service cell, after perhaps receiving the measurement report that carries target cell information that this UE reports, the common configuration information of Target cell is notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
2. the method for claim 1 is characterized in that:
After described UE receives the common configuration information of Target cell, preserve the common configuration information of this Target cell, when carrying out the RRC connection reconstruction, use the common configuration information of the described Target cell of preserving to search for described Target cell and judge whether described Target cell is fit to described UE resident.
3. method as claimed in claim 1 or 2 is characterized in that:
The base station obtains one of in the following manner the common configuration information of Target cell under the UE current service cell:
Under the UE current service cell base station with Target cell under base station when setting up X2 interface, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station with Target cell under base station when upgrading base station configuration information, the base station obtains the common configuration information of Target cell under the Target cell;
Under the UE current service cell base station receive that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, the base station obtains the common configuration information of Target cell under the Target cell;
The base station obtains the common configuration information of Target cell under the UE current service cell by network management system.
4. method as claimed in claim 3, it is characterized in that: described method also comprises:
The base station obtains the process of common configuration information of Target cell in base station under Target cell under the UE current service cell, with UE base station under the contextual information of current service cell sends to this Target cell.
5. method as claimed in claim 2 is characterized in that:
After UE preserved the common configuration information of this Target cell, described method also comprised: described UE arranges effective time for this common configuration information.
6. such as claim 1 or 2 or 4 or 5 described methods, it is characterized in that:
Can described common configuration information comprise that UE judges and select and access the necessary configuration information of described residential quarter B.
7. method as claimed in claim 6 is characterized in that
Described common configuration information comprises: the some or all of information in host system message block (MIB), system information block 1 (SIB1) and the system information block 2 (SIB2).
8. method as claimed in claim 7 is characterized in that
Described common configuration information comprises one or more of following information: frequency bandwidth information, physical hybrid automatic repeat request indicator channel (PHICH) configuration information, residential quarter access relevant information, relevant information is selected in the residential quarter, the common radio resources configuration information, base station power information.
9. such as claim 7 or 8 described methods, it is characterized in that:
For time division multiplexing (TDD) system, described common configuration information also comprises the TDD configuration information.
10. method as claimed in claim 6 is characterized in that:
Described common configuration information also comprises the more new logo of described common configuration information, after UE receives the common configuration information of Target cell, whether consistent with the more new logo that from system message of target cell, reads by the more new logo that compares in the common configuration information, determine whether continuing reading system message of target cell.
11. the method for claim 1 is characterized in that:
Current service cell comprises: macrocell or Microcell or small-cell; Described Target cell comprises one or more in the following residential quarter: macrocell, Microcell, small-cell.
Recover the base station 12. a Radio Resource control (RRC) connects, comprise receiver module and notification module, wherein:
Described receiver module is used for receiving this base station and administers the indication near Target cell that the subscriber equipment (UE) of residential quarter reports, and perhaps receives the measurement report that carries target cell information that this UE reports;
Described notification module is used for after described receiver module receives indication or measurement report the common configuration information of this Target cell being notified to described UE, and described common configuration information is used for recovering UE and is connected with the RRC of Target cell.
13. base station as claimed in claim 12 is characterized in that:
Described base station also comprises the common configuration information acquisition module, and it one of is used in the following ways obtaining the common configuration information of Target cell:
When X2 interface was set up in the base station under this base station and Target cell, the base station obtained the common configuration information of Target cell under the Target cell;
When base station configuration information was upgraded in the base station under this base station and Target cell, the base station obtained the common configuration information of Target cell under the Target cell;
Receive in this base station that described UE reports near after the indication of Target cell or carrying the measurement report of target cell information, the base station obtains the common configuration information of Target cell under the Target cell;
Obtain the common configuration information of Target cell by network management system.
14. base station as claimed in claim 12 is characterized in that:
Described common configuration information acquisition module also is used for obtaining the process of the common configuration information of Target cell in base station under Target cell, with this UE base station under the contextual information of current service cell sends to this Target cell.
15. such as claim 12 or 13 or 14 described base stations, it is characterized in that:
Described common configuration information comprises: the some or all of information in host system message block (MIB), system information block 1 (SIB1) and the system information block 2 (SIB2).
16. base station as claimed in claim 15 is characterized in that:
For time division multiplexing (TDD) system, described common configuration information also comprises the TDD configuration information.
17. base station as claimed in claim 15 is characterized in that:
Described common configuration information also comprises the more new logo of described common configuration information.
Recover terminal 18. a Radio Resource control (RRC) connects, comprise sending module, preserve module and be connected the recovery module, wherein:
Described sending module is used under current service cell base station and reports indication near Target cell, and perhaps the base station newspaper carries the measurement report of target cell information under the current service cell;
Described preservation module is used for after the common configuration information of the Target cell that receives the transmission of described base station the common configuration information of preserving this Target cell;
Described connection recovers module, is used for when carrying out the RRC connection reconstruction, uses the common configuration information of the described Target cell of described preservation module preservation to search for described Target cell and judge whether described Target cell is fit to described UE resident.
19. terminal as claimed in claim 18 is characterized in that:
Described terminal also comprises effective set of time module, and its common configuration information that is used to described preservation module to preserve arranges effective time.
20. such as claim 18 or 19 described terminals, it is characterized in that:
Described common configuration information comprises: the some or all of information in host system message block (MIB), system information block 1 (SIB1) and the system information block 2 (SIB2).
21. terminal as claimed in claim 20 is characterized in that:
For time division multiplexing (TDD) system, described common configuration information also comprises the TDD configuration information.
22. terminal as claimed in claim 20 is characterized in that:
Described common configuration information also comprises the more new logo of described common configuration information;
Described terminal comprises that also system message reads decision-making module, it is used for after receiving the common configuration information of Target cell, whether consistent with the more new logo that from system message of target cell, reads by the more new logo that compares in the common configuration information, determine whether continuing reading system message of target cell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231445.7A CN102932857B (en) | 2011-08-12 | 2011-08-12 | Radio resource control (RRC) connection recovery method, base station and terminal |
| PCT/CN2012/071687 WO2012155595A1 (en) | 2011-08-12 | 2012-02-28 | Method, base station and terminal for recovering radio resource control connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231445.7A CN102932857B (en) | 2011-08-12 | 2011-08-12 | Radio resource control (RRC) connection recovery method, base station and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102932857A true CN102932857A (en) | 2013-02-13 |
| CN102932857B CN102932857B (en) | 2017-05-24 |
Family
ID=47176217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110231445.7A Expired - Fee Related CN102932857B (en) | 2011-08-12 | 2011-08-12 | Radio resource control (RRC) connection recovery method, base station and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102932857B (en) |
| WO (1) | WO2012155595A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161192A1 (en) * | 2013-04-03 | 2014-10-09 | 华为技术有限公司 | Data transmission method, communication device and communication system |
| CN104113874A (en) * | 2013-04-16 | 2014-10-22 | 电信科学技术研究院 | Method of measurement report, and device of measurement report |
| CN105282794A (en) * | 2014-06-23 | 2016-01-27 | 中国移动通信集团公司 | Base station configuration and cell selection/switching method, device and system and associated equipment |
| WO2016033767A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Characteristic configuration apparatus and method |
| CN106028470A (en) * | 2016-07-29 | 2016-10-12 | 北京北方烽火科技有限公司 | Method for reconstructing radio resource control connection and small base station cluster controller |
| WO2018137201A1 (en) * | 2017-01-25 | 2018-08-02 | 华为技术有限公司 | Communication method and apparatus |
| WO2018141122A1 (en) * | 2017-03-14 | 2018-08-09 | 北京小米移动软件有限公司 | Method and device for transmitting system message |
| CN109392031A (en) * | 2017-08-04 | 2019-02-26 | 北京佰才邦技术有限公司 | A kind of cell switching method, terminal device and former base station |
| CN110754136A (en) * | 2017-07-21 | 2020-02-04 | Oppo广东移动通信有限公司 | Multi-connection recovery method and device in non-activated state |
| CN112119657A (en) * | 2018-05-16 | 2020-12-22 | 三星电子株式会社 | Method and apparatus for collecting and reporting cell measurement information in next generation mobile communication system |
| CN114270941A (en) * | 2019-08-14 | 2022-04-01 | 株式会社Ntt都科摩 | Terminal device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124430A1 (en) * | 2009-04-27 | 2010-11-04 | 华为技术有限公司 | Service recovery method, device and system for wireless communication networks |
| CN101998579A (en) * | 2009-08-11 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for providing cell information of home base station for user equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400017B (en) * | 2007-09-29 | 2012-09-19 | 北京三星通信技术研究有限公司 | Method for continuously receiving broadcast multicast service data supporting evolution |
| CN102149195A (en) * | 2010-02-09 | 2011-08-10 | 中兴通讯股份有限公司 | Method and system for processing public configuration information |
| CN102076031A (en) * | 2011-01-13 | 2011-05-25 | 大唐移动通信设备有限公司 | Method and device for configuring cell information |
-
2011
- 2011-08-12 CN CN201110231445.7A patent/CN102932857B/en not_active Expired - Fee Related
-
2012
- 2012-02-28 WO PCT/CN2012/071687 patent/WO2012155595A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124430A1 (en) * | 2009-04-27 | 2010-11-04 | 华为技术有限公司 | Service recovery method, device and system for wireless communication networks |
| CN101998579A (en) * | 2009-08-11 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for providing cell information of home base station for user equipment |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161192A1 (en) * | 2013-04-03 | 2014-10-09 | 华为技术有限公司 | Data transmission method, communication device and communication system |
| CN104113874B (en) * | 2013-04-16 | 2019-06-25 | 电信科学技术研究院 | It is a kind of to measure the method and device reported |
| CN104113874A (en) * | 2013-04-16 | 2014-10-22 | 电信科学技术研究院 | Method of measurement report, and device of measurement report |
| CN105282794A (en) * | 2014-06-23 | 2016-01-27 | 中国移动通信集团公司 | Base station configuration and cell selection/switching method, device and system and associated equipment |
| US10264444B2 (en) | 2014-09-03 | 2019-04-16 | Huawei Technologies Co., Ltd. | Feature configuration apparatus and method |
| WO2016033767A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Characteristic configuration apparatus and method |
| CN106028470A (en) * | 2016-07-29 | 2016-10-12 | 北京北方烽火科技有限公司 | Method for reconstructing radio resource control connection and small base station cluster controller |
| CN106028470B (en) * | 2016-07-29 | 2019-07-09 | 武汉虹信通信技术有限责任公司 | A kind of method for realizing radio resource control connection reestablishment and small base station cluster controller |
| WO2018137201A1 (en) * | 2017-01-25 | 2018-08-02 | 华为技术有限公司 | Communication method and apparatus |
| US11659613B2 (en) | 2017-01-25 | 2023-05-23 | Huawei Technologies Co., Ltd. | Communication method and communication apparatus |
| RU2738799C1 (en) * | 2017-01-25 | 2020-12-16 | Хуавей Текнолоджиз Ко., Лтд. | Communication method and communication device |
| US10798771B2 (en) | 2017-01-25 | 2020-10-06 | Huawei Technologies Co., Ltd. | Communication method and communication apparatus |
| WO2018141122A1 (en) * | 2017-03-14 | 2018-08-09 | 北京小米移动软件有限公司 | Method and device for transmitting system message |
| CN108886720A (en) * | 2017-03-14 | 2018-11-23 | 北京小米移动软件有限公司 | The transmission method and device of system message |
| CN108886720B (en) * | 2017-03-14 | 2020-10-27 | 北京小米移动软件有限公司 | System message transmission method and device |
| CN110754136A (en) * | 2017-07-21 | 2020-02-04 | Oppo广东移动通信有限公司 | Multi-connection recovery method and device in non-activated state |
| US11470672B2 (en) | 2017-07-21 | 2022-10-11 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Multi-connection recovery method in non-activated state and device therefor |
| CN110754136B (en) * | 2017-07-21 | 2022-10-28 | Oppo广东移动通信有限公司 | Multi-connection recovery method and device in non-activated state |
| CN109392031B (en) * | 2017-08-04 | 2020-08-28 | 北京佰才邦技术有限公司 | Cell switching method, terminal equipment and original base station |
| CN109392031A (en) * | 2017-08-04 | 2019-02-26 | 北京佰才邦技术有限公司 | A kind of cell switching method, terminal device and former base station |
| CN112119657A (en) * | 2018-05-16 | 2020-12-22 | 三星电子株式会社 | Method and apparatus for collecting and reporting cell measurement information in next generation mobile communication system |
| CN112119657B (en) * | 2018-05-16 | 2024-04-30 | 三星电子株式会社 | Method and apparatus for collecting and reporting cell measurement information in next generation mobile communication system |
| CN114270941A (en) * | 2019-08-14 | 2022-04-01 | 株式会社Ntt都科摩 | Terminal device |
| CN114270941B (en) * | 2019-08-14 | 2024-05-24 | 株式会社Ntt都科摩 | terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102932857B (en) | 2017-05-24 |
| WO2012155595A1 (en) | 2012-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102932857A (en) | Radio resource control (RRC) connection recovery method, base station and terminal | |
| EP3241387B1 (en) | Cell reselection | |
| JP4837779B2 (en) | Cumulative neighbor cell list | |
| US9313703B2 (en) | Method and device for determining target cell | |
| CN103222203B (en) | For monitoring the method and apparatus of honeycomb radio access node performance | |
| CN102474777B (en) | Apparatus and method for determining mobility state in wireless communication system | |
| CN101772099B (en) | Cell switching method and system, and access devices | |
| CN103856979A (en) | Method and user equipment (UE) for sending failure invent to wireless communication network | |
| WO2013009129A2 (en) | Method of reporting system information in a wireless communication system and device for supporting same | |
| CN103380635A (en) | Method and apparatus for performing membership verification or access control in wireless communication system | |
| WO2013141660A1 (en) | Method and apparatus for accessing cell in wireless communication system | |
| CN104025655A (en) | Method of cell reselection by applying supreme priority in wireless communication system and apparatus for the same | |
| CN105682162A (en) | Method for Performing Handover in Wireless Communication System | |
| EP2536213B1 (en) | Method for balancing load, and apparatuses therefor | |
| CN103327514A (en) | Information recording method, information acquisition method, equipment and system | |
| CN103856980A (en) | Method of reporting connection setup failure and user equipment | |
| CN102932822A (en) | Discontinuous reception method and device in mobility management | |
| CN104685952A (en) | Method for operating based on delay-tolerance information handling in wireless communication system and apparatus supporting same | |
| CN103548390A (en) | Method and arrangement in a telecommunication system | |
| KR101551517B1 (en) | Method for re-establishing rrc connection and mobile telecommunication system for the same | |
| JP2014531839A (en) | Method for transmitting drive test minimization related information and radio access network | |
| CN103096347A (en) | Method and device for launching base stations | |
| CN102014421B (en) | Method and system for switching macro cell to home base station cell | |
| US9635593B2 (en) | Communication system | |
| CN103546919A (en) | Submittal method and device of measurement reports |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20190812 |