CN102595640B - Wireless link reconstruction method and system - Google Patents
Wireless link reconstruction method and system Download PDFInfo
- Publication number
- CN102595640B CN102595640B CN201110002824.9A CN201110002824A CN102595640B CN 102595640 B CN102595640 B CN 102595640B CN 201110002824 A CN201110002824 A CN 201110002824A CN 102595640 B CN102595640 B CN 102595640B
- Authority
- CN
- China
- Prior art keywords
- community
- message
- random access
- access preamble
- comp
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000012141 concentrate Substances 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 16
- 230000011664 signaling Effects 0.000 claims description 9
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 108091005487 SCARB1 Proteins 0.000 claims 4
- 102100037118 Scavenger receptor class B member 1 Human genes 0.000 claims 4
- 101001055444 Homo sapiens Mediator of RNA polymerase II transcription subunit 20 Proteins 0.000 claims 2
- 102100026165 Mediator of RNA polymerase II transcription subunit 20 Human genes 0.000 claims 2
- XHSQDZXAVJRBMX-UHFFFAOYSA-N 2-(5,6-dichlorobenzimidazol-1-yl)-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound OC1C(O)C(CO)OC1N1C2=CC(Cl)=C(Cl)C=C2N=C1 XHSQDZXAVJRBMX-UHFFFAOYSA-N 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 12
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a wireless link reconstruction method and a system. The method comprises the following steps that: after a wireless link fails to work, user equipment (UE) sends random access preface messages to all communities in a cooperative multi-point collaborative CoMP community set; and the UE launches a reconstruction request to the community which first responds to the random access preface message to reconstruct the wireless link. Through the technical scheme of the invention, the problem that in the prior art, no recovery method exists after the wireless link fails under the CoMP set in an LTE (Long Term Evolution) A is solved, and the effect of quickly recovering the wireless link is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of Wireless link reconstruction method and system.
Background technology
At LTE (Long Term Evolution, Long Term Evolution) in system, UE (User Equipment, subscriber equipment) RRC (Radio Resource Control can be initiated when Radio Link Failure being detected, wireless heterogeneous networks) re-establish flow process, this flow process as shown in Figure 1:
After step 101:UE detects Radio Link Failure, carry out community selection;
Step 102:UE sends random access preamble message;
Step 103: base station response accidental access response, contains TA (Timing Advance, Timing Advance), the message such as uplink authorization in message;
Step 104:UE initiates RRC connection re-establishment request, the C-RNTI (Cell Radio Network Temporary Identifier, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI) that UE is distributed in the physCellId (Physical Cell Identifier) of Serving cell and cell-of-origin is comprised in message;
Step 105: after base station matches UE example, initiates RRC and re-establishes message, requires to re-establish Signaling Radio Bearer;
Step 106:UE re-establishes successfully, and response RRC connection re-establishment completes message, and mark Signaling Radio Bearer is successfully established;
Step 107: base station sends RRC and connects reallocation message, reprovision SRB2 (Signal Radio Bearer 2, second Signaling Radio Bearer) and Data Radio Bearer;
After the success of step 108:UE reprovision, response RRC connects reprovision and completes message.
If the community selected during UE Radio Link Failure is not original Serving cell (or having the community of this UE example), re-establish and will be rejected, UE needs to come again to connect with network side by initiating TAU (Tracking Area Update, tracing section updating).
In LTE-A (Long Term Evolution Advanced, senior Long Term Evolution), formal CoMP (Cooperative Multi-Point, multipoint cooperative) transmission technology to be studied as a kind of alternative technique.Its general principle is that edge user disturbs stronger multiple communities to reduce the interference to Cell Edge User by combined dispatching, by the received power improving Cell Edge User further of joint transmission, thus improves the impression of Cell Edge User.Coordinated multipoint transmission technical characterstic is:
Multiple community cooperates on identical Radio Resource, is a UE service jointly;
Each community is that one or more UE serves on identical Radio Resource simultaneously.
But, introduce CoMP transmission technology in LTE_A after, in current prior art, still there is no the restoration methods of Radio Link Failure under CoMP collection in LTE_A.
Summary of the invention
Main purpose of the present invention is to provide a kind of Wireless link reconstruction method and system, to solve the problem.
According to an aspect of the present invention, provide a kind of Wireless link reconstruction method, comprising: after Radio Link Failure, user equipment (UE) concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell; UE initiates to re-establish request to the community responding above-mentioned random access preamble message at first, rebuilds wireless link.
According to another aspect of the present invention, provide a kind of wireless link reconstructing system, comprising: user equipment (UE), CoMP cell collection, wherein, UE comprises: sending module, for after Radio Link Failure, concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell; Set up module, re-establishing request for initiating to the community responding above-mentioned random access preamble message at first, rebuilding wireless link.
Pass through the present invention, after adopting UE Radio Link Failure to be detected, do not carry out cell reselection, but initiate Stochastic accessing to all communities that CoMP cell is concentrated, the scheme of RRC connection re-establishment is carried out in the community of answering of echoing at first, solve in prior art the problem of the restoration methods not having Radio Link Failure under CoMP collection in LTE_A, and then reach the effect of fast quick-recovery wireless link.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the handling process schematic diagram of Radio Link Failure in the LTE system according to correlation technique;
Fig. 2 is the CoMP cell structure set schematic diagram according to the embodiment of the present invention;
Fig. 3 is the flow chart of the Wireless link reconstruction method according to the embodiment of the present invention;
Fig. 4 is the flow chart of Wireless link reconstruction method according to the preferred embodiment of the invention
Fig. 5 is the schematic flow sheet being reconstituted in main plot according to the wireless link of example of the present invention;
Fig. 6 is the schematic flow sheet being reconstituted in auxiliary community according to the wireless link of example of the present invention;
Fig. 7 is the structural representation of the wireless link reconstructing system according to the embodiment of the present invention;
Fig. 8 is the structural representation of wireless link reconstructing system according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
First several concept is described:
CoMP cell collection, also can be called CoMP cooperation cell collection, CoMP cooperation transmission cell set, CoMP collaboration set, CoMP collection, and be the set showing the community that same UE serves, as shown in Figure 2, namely community 1,2,3 forms a CoMP cell collection.
A CoMP cell is concentrated and is comprised a main plot, and main plot can perform the United Dispatching that all local resources are concentrated in cooperation cell, and there is Signalling exchange with UE, community 1 as shown in Figure 2.
A CoMP cell is concentrated and is also comprised several auxiliary (helping) communities, and primary responsibility assists main plot to be UE service, community 2,3 as shown in Figure 2.
Fig. 3 is the flow chart of the Wireless link reconstruction method according to the embodiment of the present invention.As shown in Figure 3, comprise according to the Wireless link reconstruction method of the embodiment of the present invention:
Step S302, after Radio Link Failure, user equipment (UE) concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell;
Step S304, this UE initiate to re-establish request to the community responding above-mentioned random access preamble message at first, rebuild wireless link.
By said method, after UE detects Radio Link Failure, do not carry out cell reselection, but initiate Stochastic accessing to communities all in CoMP cell collection, to echo at first, RRC connection re-establishment is carried out in the community of answering.Said method takes full advantage of the characteristic of CoMP, doing different process, accelerating the speed of wireless link recovery to re-establishing.
Preferably, step S304 may further include following process:
(1) UE rebuilds SRB1 (Signal Radio Bearer 1, first Signaling Radio Bearer);
(2), after SRB1 has rebuild, the community responding random access preamble message at first sends the reallocation message carrying quality of service class mark QCI priority to UE;
(3) UE is according to this reallocation message, rebuilds SRB2 and DRB (Data Radio Bearer, Data Radio Bearer).
What UE initiated to the community responding random access preamble message at first re-establishes in request message and carries UE-Identity (UE example), wherein comprises the physCellId that the C-RNTI of UE and CoMP cell concentrate each community.Base station receives after UE re-establishes request message, sends RRC and re-establishes message, require that UE sets up SRB1 to UE.Base station receive UE re-established message after, the QCI priority of UE business is sorted, default bearing and the high carrying of priority can first recover, after wireless link recovery, consider the recovery of other business again, that is, setting one priority threshold value can be considered, only recover the carrying of high priority, thus improve link-recovery speed further.Base station sends RRC reallocation message to UE and recovers SRB2 and DRBs, carries QCI priority in RRC reallocation message.
Preferably, can further include following process after step S304: the cell notification CoMP cell responding random access preamble message at first concentrates the change of this UE wireless resource configuration of other community.
UE can respond RRC reprovision and complete message after having recovered SRB2 and DRBs to base station, base station is after the RRC reprovision receiving UE completes message, need to notify that other community UE wireless resource configuration changes, ensure that CoMP cell concentrates the up-to-date wireless resource configuration of each this UE of community.
Preferably, step S304 can further include following process: respond the community of random access preamble message at first while carrying the reallocation message of QCI priority to this UE transmission, notice CoMP cell concentrates the change of this UE wireless resource configuration of other community.
Base station also can after re-establishing flow process and completing, and while initiation RRC connects reprovision, other community UE wireless resource configuration that notice CoMP cell is concentrated changes.Adopt in this way, if after other community have updated UE information, just found that RRC connects reprovision failure, just need to cancel flow process to recover previous configuration.
Preferably, the cell notification CoMP cooperation cell responding random access preamble message at first concentrates this step of change of this UE wireless resource configuration of other community may further include:
(1) when the community responding random access preamble message is at first the main plot of CoMP cooperation cell collection, this community can send UE configuration update message directly to all auxiliary community of described CoMP cooperation cell collection;
(2) when the described community responding described random access preamble message is at first described Ji Fu community, CoMP cooperation cell, then need Xian Jianggai community to change to new main plot, then send UE configuration update message by the former main plot of CoMP cooperation cell collection to the auxiliary community of other of CoMP cooperation cell collection.
Notify that other community UE wireless resource configuration changes in fact in two kinds of situation: if UE initiates in main plot to re-establish flow process, after reprovision completes, notify that all auxiliary communities UE wireless resource configuration changes by main plot; If UE initiates to re-establish flow process in auxiliary community, after reprovision completes, changed by auxiliary cell notification main plot UE wireless resource configuration, auxiliary cell switch is new main plot, then notifies other auxiliary community by former main plot.
In sum, as shown in Figure 4, above preferred embodiment can be summarized as:
Step S402, UE detect Radio Link Failure;
Step S404, UE Stochastic accessing;
Step S406, RRC re-establish;
Step S408, RRC reprovision;
Step S410, whether what judge that UE accesses is main plot, if so, performs step S412, if not, perform step S414;
Step S412, main plot notifies that all auxiliary communities UE radio configuration changes;
Step S414, auxiliary cell notification main plot UE radio configuration changes, and it will be transformed into main plot;
Step S416, main plot notifies that other auxiliary community UE radio configuration change and new main plot ID.
Below in conjunction with the example shown in Fig. 3, composition graphs 5, Fig. 6 are described in detail to above preferred embodiment.
(1) wireless link recovery is in main plot, as shown in Figure 5, comprises the following steps:
After step S502-step S510, UE detect wireless failure, send random access guiding to the community 1,2 and 3 that CoMP concentrates, wherein 1 is main plot.After receiving the random access request of UE, 1 time, community random access request.
Step S512-step S516, after Stochastic accessing success, UE sends RRC to community 1 and re-establishes request message, after community 1 receives request, responds RRC and re-establishes message.UE receives RRC and re-establishes message, and complete after RRC re-establishes, respond RRC and re-established message, now SRB1 is successfully recovered.
Step S518-step S520, community 1 receives RRC and has re-established message, according to QCI list, selects the high business of priority first to recover, sends RRC reallocation message, carry the QCI list needing priority restores in message to UE.After UE receives RRC reallocation message, recover SRB2 and Data Radio Bearer, respond RRC reprovision to community 1 and complete message.
Step S522-step S524, community 1 receives after RRC reprovision completes message, sends UE configuration update message to respectively community 2 and community 3.
(2) wireless link recovery is in auxiliary community, as shown in Figure 6, comprises the following steps:
After step S602-step S610, UE detect wireless failure, send random access guiding to the community 1,2 and 3 that CoMP concentrates, wherein 1 is main plot.After receiving the random access request of UE, 2 times, community random access request.
Step S612-step S616, after Stochastic accessing success, UE sends RRC to community 2 and re-establishes request message, after community 2 receives request, responds RRC and re-establishes message.UE receives RRC and re-establishes message, and complete after RRC re-establishes, respond RRC and re-established message, now SRB1 is successfully recovered.
Step S618-step S620, community 2 receives RRC and has re-established message, according to QCI list, selects the high business of priority first to recover, sends RRC reallocation message, carry the QCI list needing priority restores in message to UE.After UE receives RRC reallocation message, recover SRB2 and Data Radio Bearer, respond RRC reprovision to community 2 and complete message.
Step S622-step S624, community 2 receives after RRC reprovision completes message, changes request message to transmission main plot, main plot, tell main plot 1 it to become main plot.After community 1 receives main plot change request, respond main plot and change response, now community 2 becomes new main plot from auxiliary community.
Step S626, community 1 sends UE configuration update message to other auxiliary community.
Step S628, new main plot 2 completes CoMP reorganization operation.
Fig. 7 is the structural representation of the wireless link reconstructing system according to the embodiment of the present invention.As shown in Figure 7, the wireless link reconstructing system according to the embodiment of the present invention comprises: UE 62, CoMP cell collection, wherein,
UE 62 comprises:
Sending module 622, for after Radio Link Failure, concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell;
Set up module 624, re-establishing request for initiating to the community responding random access preamble message at first, rebuilding wireless link.
In said system, after UE 62 detects Radio Link Failure, do not carry out cell reselection, but Stochastic accessing is initiated to communities all in CoMP cell collection, to echo at first, RRC connection re-establishment is carried out in the community of answering, thus greatly accelerates the speed of wireless link recovery.
Preferably, set up module 624 may further include:
First reconstruction unit 6242, for rebuilding SRB1;
Second reconstruction unit 6244, for the reallocation message sent according to the community responding random access preamble message at first, rebuilds SRB2 and DRB.
Preferably, the community 64 of CoMP cell collection all may further include:
Sending module 642, for when this community is the community responding random access preamble message at first, and after SRB1 rebuild, to the reallocation message carrying quality of service class mark QCI priority that UE 62 sends.
The reconstruction of wireless link can be completed by said units and device.First, UE 62 initiates to re-establish request message to the community responding random access preamble message at first, wherein carries UE-Identity, comprises the physCellId that the C-RNTI of UE and CoMP cell concentrate each community 64.(community is by structure of building a station in base station, base station is the hardware entities of community) receive UE 62 re-establish request message after, send RRC to UE 62 and re-establish message, require that UE 62 sets up SRB1, UE 62, after SRB1 has set up, sends to base station and has re-established message.Base station receive UE 62 re-established message after, sort to the QCI priority of UE 62 business, default bearing and the high carrying of priority can first recover, and after wireless link recovery, then consider the recovery of other business.Then, base station sends RRC reallocation message to recover SRB2 and DRBs can to UE 62, carries QCI priority in RRC reallocation message.Finally, UE 62 can send reallocation message according to base station and rebuild SRB2 and DRBs, finally completes the reconstruction of wireless link.
Preferably, the community 64 of CoMP cell collection all may further include:
Notification module 644, for when this community is the community responding random access preamble message at first, while sending module 642 sends reallocation message, notice CoMP cell concentrates the change of other community UE 62 wireless resource configuration.
Preferably, notification module 644, can also be used for when this community is the community responding random access preamble message at first, initiates to re-establish request message to this community at UE 62, after rebuilding wireless link, notice CoMP cell concentrates the change of other community UE62 wireless resource configuration.
After the wireless resource configuration of UE 62 there occurs change, may also can need to notify that other communities that CoMP cell is concentrated are known, at this moment, two kinds of ways can be had: one has notified after wireless link has been rebuild, another kind notifies sending module 642 sends reallocation message while, namely notify before rebuilding SRB2, just adopt in this way, if other community is after have updated UE information, just find that RRC connects reprovision failure, just need to cancel flow process to recover previous configuration.
Preferably, notification module 644 can further include:
First notification unit 6442, in this community be respond at first random access preamble message community and for the main plot of CoMP cooperation cell collection time, all auxiliary community to CoMP cooperation cell collection sends UE configuration update message;
Second notification unit 6444, for in this community be respond at first random access preamble message community and for Ji Fu community, CoMP cooperation cell time, this community is changed to new main plot, and notifies that the former main plot of CoMP cooperation cell collection sends UE configuration update message to other auxiliary community of CoMP cooperation cell collection.
The wireless resource configuration of other communities UE 62 that notice CoMP cell is concentrated there occurs change, also be divided into two kinds of situations: if UE 62 initiates in main plot to re-establish flow process, after reprovision completes, notify that all auxiliary communities UE wireless resource configuration changes by main plot; If UE 62 initiates to re-establish flow process in auxiliary community, after reprovision completes, changed by the wireless resource configuration of auxiliary cell notification main plot UE 62, auxiliary cell switch is new main plot, then notifies other auxiliary community by former main plot.The form that the wireless resource configuration of other communities UE 62 that notice CoMP cell is concentrated there occurs change comprises: send UE configuration update message.
As can be seen from the above description, technical scheme provided by the invention relates to the relevant parameter of every single stepping, relates to RRC connection re-establishment flow process, and the UE wireless resource configuration related to after reprovision completes changes notice flow process.Adopt technical scheme of the present invention, after UE detects Radio Link Failure, do not carry out cell reselection, but initiate Stochastic accessing in the community of CoMP collection, to echo at first, RRC connection re-establishment is carried out in the community of answering, simultaneously current to UE service priority sequence, the speech business of priority restores default bearing and similar VoIP.Because the community of CoMP collection has UE relevant information, add and according to priority recover business, improve the speed of wireless link recovery.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Wireless link reconstruction method, is characterized in that, comprising:
After described Radio Link Failure, user equipment (UE) concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell;
Described UE initiates to re-establish request to the community responding described random access preamble message at first, rebuilds described wireless link;
Wherein, described UE initiates to re-establish request to the community responding described random access preamble message at first, rebuilds described wireless link and comprises:
Described UE rebuilds the first Signaling Radio Bearer SRB1;
After described SRB1 has rebuild, the described community responding described random access preamble message at first sends the reallocation message carrying quality of service class mark QCI priority to described UE;
Described UE, according to described reallocation message, rebuilds the second Signaling Radio Bearer SRB2 and Data Radio Bearer DRB.
2. method according to claim 1, is characterized in that, also comprises:
The described community responding described random access preamble message at first, while sending to described UE and carrying the reallocation message of QCI priority, notifies that described CoMP cell concentrates the change of UE wireless resource configuration described in other community.
3. method according to claim 1, is characterized in that, initiates to re-establish request message, after rebuilding described wireless link, also comprise at described UE to the community responding described random access preamble message at first:
Described in the described cell notification responding described random access preamble message at first, CoMP cell concentrates the change of UE wireless resource configuration described in other community.
4. according to the method in claim 2 or 3, it is characterized in that, described in the described cell notification responding described random access preamble message at first, CoMP cooperation cell concentrates the change of UE wireless resource configuration described in other community to comprise:
When the described community responding described random access preamble message is at first the main plot of described CoMP cooperation cell collection, this community sends UE configuration update message directly to all auxiliary community of described CoMP cooperation cell collection;
When the described community responding described random access preamble message is at first described Ji Fu community, CoMP cooperation cell, Xian Jianggai community changes to new main plot, then sends UE configuration update message by the former main plot of described CoMP cooperation cell collection to the auxiliary community of other of described CoMP cooperation cell collection.
5. a wireless link reconstructing system, is characterized in that, comprising: user equipment (UE), CoMP cell collection, wherein,
Described UE comprises:
Sending module, for after described Radio Link Failure, concentrates all communities to send random access preamble message to multipoint cooperative CoMP cell;
Set up module, re-establishing request for initiating to the community responding described random access preamble message at first, rebuilding described wireless link;
Described module of setting up comprises:
First reconstruction unit, for rebuilding the first Signaling Radio Bearer SRB1;
Second reconstruction unit, for the reallocation message sent according to the described community responding described random access preamble message at first, rebuilds the second Signaling Radio Bearer SRB2 and Data Radio Bearer DRB;
The community of described CoMP cell collection includes:
Sending module, for this community for described in respond the community of described random access preamble message at first time, and after described SRB1 rebuild, to the reallocation message carrying quality of service class mark QCI priority that described UE sends.
6. system according to claim 5, is characterized in that, the community of described CoMP cell collection all also comprises:
Notification module, for this community for described in respond the community of described random access preamble message at first time, while described sending module sends described reallocation message, notify that described CoMP cell concentrates the change of UE wireless resource configuration described in other community.
7. system according to claim 5, is characterized in that, the community of described CoMP cell collection includes:
Notification module, for this community for described in respond the community of described random access preamble message at first time, initiate to re-establish request message to this community at described UE, after rebuilding described wireless link, notify that described CoMP cell concentrates the change of UE wireless resource configuration described in other community.
8. the system according to claim 6 or 7, is characterized in that, described notification module comprises:
First notification unit, for this community for described in respond at first described random access preamble message community and for the main plot of described CoMP cooperation cell collection time, all auxiliary community to described CoMP cooperation cell collection sends UE configuration update message;
Second notification unit, for this community for described in respond at first described random access preamble message community and for described Ji Fu community, CoMP cooperation cell time, this community is changed to new main plot, and notifies that the former main plot of described CoMP cooperation cell collection sends UE configuration update message to other auxiliary community of described CoMP cooperation cell collection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110002824.9A CN102595640B (en) | 2011-01-07 | 2011-01-07 | Wireless link reconstruction method and system |
| PCT/CN2011/084400 WO2012092814A1 (en) | 2011-01-07 | 2011-12-21 | Method and system for re-establishing radio link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110002824.9A CN102595640B (en) | 2011-01-07 | 2011-01-07 | Wireless link reconstruction method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102595640A CN102595640A (en) | 2012-07-18 |
| CN102595640B true CN102595640B (en) | 2015-06-03 |
Family
ID=46457227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110002824.9A Expired - Fee Related CN102595640B (en) | 2011-01-07 | 2011-01-07 | Wireless link reconstruction method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102595640B (en) |
| WO (1) | WO2012092814A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103828448B (en) | 2012-07-31 | 2018-06-26 | 华为技术有限公司 | Add method, apparatus, equipment and the network system of secondary cell |
| WO2014019131A1 (en) | 2012-07-31 | 2014-02-06 | 华为技术有限公司 | Method and device for recovering link failure |
| CN103582164B (en) * | 2012-08-06 | 2017-04-12 | 华为技术有限公司 | Wireless link rebuilding method, UE and system |
| CN109089332B (en) | 2012-09-25 | 2021-10-01 | 华为技术有限公司 | Radio link failure processing method, small cell and mobile communication system |
| CN104219787A (en) * | 2014-09-10 | 2014-12-17 | 电信科学技术研究院 | Wireless link recovery method and device |
| WO2017020241A1 (en) * | 2015-08-04 | 2017-02-09 | 华为技术有限公司 | Communication method, network side device, and user equipment |
| CN109803236B (en) * | 2017-11-17 | 2021-10-12 | 普天信息技术有限公司 | Group calling extension method and system in cluster system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483898A (en) * | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for accelerating RRC connection establishment |
| CN101500279A (en) * | 2008-02-03 | 2009-08-05 | 中兴通讯股份有限公司 | Wireless link recovery method |
| CN101815328A (en) * | 2009-02-24 | 2010-08-25 | 上海贝尔股份有限公司 | Method and equipment for shortening handoff interruption time based on UL (Unordered List) CoMP information |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8243696B2 (en) * | 2009-02-02 | 2012-08-14 | Texas Instruments Incorporated | Joint processing downlink coordinated multi-point reference signal support |
-
2011
- 2011-01-07 CN CN201110002824.9A patent/CN102595640B/en not_active Expired - Fee Related
- 2011-12-21 WO PCT/CN2011/084400 patent/WO2012092814A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483898A (en) * | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for accelerating RRC connection establishment |
| CN101500279A (en) * | 2008-02-03 | 2009-08-05 | 中兴通讯股份有限公司 | Wireless link recovery method |
| CN101815328A (en) * | 2009-02-24 | 2010-08-25 | 上海贝尔股份有限公司 | Method and equipment for shortening handoff interruption time based on UL (Unordered List) CoMP information |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012092814A1 (en) | 2012-07-12 |
| CN102595640A (en) | 2012-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102595640B (en) | Wireless link reconstruction method and system | |
| CN109699050B (en) | Method, base station, equipment and system for recovering connection of inactive state terminal | |
| JP2020078093A (en) | Wireless terminal, first wireless station, second wireless station, and control method | |
| US20210360712A1 (en) | Radio Resource Control RRC Connection Method and Apparatus and RRC Reconnection Method and Apparatus | |
| CN110198556B (en) | Radio Resource Control (RRC) message processing method, device and system | |
| EP3496477B1 (en) | Paging method, device and system, and related computer-readable medium | |
| CN113056946A (en) | Method and apparatus for using redundant links in wireless backhaul | |
| EP2928220B1 (en) | Method, system, base station and cluster epc for establishing group call context | |
| CN101848554B (en) | Wireless interface restoration method and donor base station | |
| CN108370593A (en) | In wireless communication system to base station transmission data/from base station receive data method and apparatus | |
| CN103220736B (en) | The reconstruction object cell selection method of RRC connection reconstruction and device | |
| CN107852759A (en) | Connect control device and method | |
| CN103238345A (en) | Communication method, device and system all based on mobile management entity pool (MME Pool) | |
| KR20190099308A (en) | Communication methods, access network devices, and terminals | |
| CN105338560B (en) | Gateway disaster recovery method, equipment and system | |
| CN102355743B (en) | Management method and management device for UE (User Equipment) context information | |
| CN102821384A (en) | Method and device for reestablishing wireless links | |
| CN102215545A (en) | Method and device for re-establishing return link in relay network | |
| CN105376768A (en) | Pool disaster recovery method and system for mobility management entity | |
| WO2017118115A1 (en) | Pdt common-frequency simulcast group establishment method, communication method, related device and system | |
| CN102045651B (en) | Cluster call method, MSC, BSC and communication system | |
| CN107041016B (en) | Method, equipment and system for forwarding message | |
| CN101489274A (en) | Wireless link recovery method and system | |
| CN109802982B (en) | Dual-connection implementation method, device and system | |
| WO2012092869A1 (en) | Method, terminal and system for processing packet switching services |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150603 Termination date: 20200107 |