CN101754293A - Switching method and relevant device thereof - Google Patents
Switching method and relevant device thereof Download PDFInfo
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- CN101754293A CN101754293A CN200810207837A CN200810207837A CN101754293A CN 101754293 A CN101754293 A CN 101754293A CN 200810207837 A CN200810207837 A CN 200810207837A CN 200810207837 A CN200810207837 A CN 200810207837A CN 101754293 A CN101754293 A CN 101754293A
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Abstract
The invention discloses a switching method. The method comprises the following steps: receiving a measurement report sent by a node device; sending the switching requests of all the terminals under the node device or the switching requests of all the terminals accessing to the access area of the node device to a target base station; and indicating all the terminals under the node device or all the terminals accessing to the access area of the node device for switching. The embodiment of the invention also provides a corresponding base station and a switching system. The invention can improve the efficiency of the simultaneous switching of multiple terminals.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of changing method and relevant apparatus.
Background technology
In present mobile communication system, for the continuity of maintenance service, when portable terminal when the coverage of a base station moves to the coverage of another base station, can carry out handover operation.Existing switching flow is specifically: terminal sends measurement report to source cell base station, the information such as signal parameter of carried terminal sign and monitoring in this measurement report; Source base station is received measurement report, after judgement is switched according to measurement report, sends handoff request to target BS, carries the contextual information of this terminal; After the target cell base station access control, source cell base station sends handoff parameter to terminal, and terminal is according to the synchronous and at random access operation of handoff parameter execution to target cell base station.
In research and practice process to prior art, the present inventor finds: when great amount of terminals simultaneously when a base station switches to the another one base station, for example be linked into all terminals under the via node that is installed on the train of running at high speed, along with running at high speed of train passed from a plurality of sub-districts, a plurality of terminals on the train can send measurement report to source base station substantially at the same time, just have a large amount of space interface signalings so at short notice, source base station just has little time to handle these a large amount of space interface signalings at short notice at all, original service area has just been left in the switching that makes some terminal also not have enough time to carry out to target BS, this moment, terminal did not insert any sub-district, and the situation of service disruption appears in terminal.
Summary of the invention
The embodiment of the invention provides the method and the relevant apparatus of switching, when being implemented in great amount of terminals and switching simultaneously to the uninterrupted service of terminal.
A kind of changing method comprises:
The measurement report that receiving node equipment sends;
Send all terminals under the described node device or be linked into the handoff request that described node device inserts all terminals in the zone to target BS;
Indicate under the described node device all terminals or describedly be linked into described node device and insert in the zone all terminals and switch.
A kind of base station comprises:
Receiving element is used for the measurement report that receiving node equipment sends;
The handoff request transmitting element is used for sending all terminals under the described node device or describedly being linked into the handoff request that described node device inserts all terminals in the zone to target BS;
Switch indicating member, be used to indicate under the described node device all terminals or describedly be linked into described node device and insert interior all terminals in zone and switch.
A kind of switched system comprises: via node and base station;
Described via node: be used for sending measurement report to described base station;
Described base station: be used to receive the measurement report that described via node sends; Send the handoff request of all terminals under the described via node to target BS; Indicate under the described via node all terminals to switch.
A kind of switched system comprises: the base station;
Described base station receives the measurement report that described terminal sends; Send the handoff request that described terminal inserts all terminals in the zone to target BS;
Indicating described terminal to insert interior all terminals in zone switches.
The embodiment of the invention, after receiving the measurement report of node device transmission, promptly send all terminals under this node device or be linked into the contextual information that this node device inserts all terminals in the zone, trigger of the switching of all terminals to target BS to target BS; With respect to each terminal under this node device in the prior art or be linked into this node device and insert in the zone all terminals when needing to switch at the same time, all to send measurement report and just can trigger of the switching of this terminal: insert the measurement report that a terminal under the zone sends even if the embodiment of the invention is received node device or is linked into this node device to target BS to source base station, promptly begin to carry out all terminals or the regional switching controls of all terminals down of node device access under this node device, avoid source base station according to the measurement report of each terminal to report this terminal to be carried out switching controls one by one, reduce the handling process of source base station, improve the efficient that great amount of terminals is switched simultaneously.
Description of drawings
Fig. 1 is the changing method flow chart that the embodiment of the invention one provides;
Fig. 2 is the changing method flow chart that the embodiment of the invention two provides;
Fig. 3 is the changing method flow chart that the embodiment of the invention three provides;
Fig. 4 is the architecture of base station figure that the embodiment of the invention four provides;
Fig. 5 is the switched system figure that the embodiment of the invention five provides;
Fig. 6 is the switched system figure that the embodiment of the invention six provides.
Embodiment
The embodiment of the invention provides a kind of changing method and relevant apparatus, is used to realize the switching of group's terminal.Below be elaborated respectively.
Embodiment one
Fig. 1 is the changing method flow chart that the embodiment of the invention one provides.
Following being described in detail:
The measurement report that step 101, receiving node equipment send;
Step 102, under target BS sending node equipment all terminals or be linked into node device and insert the handoff request of all terminals in the zone;
Under step 103, the instructs node equipment all terminals or be linked into node device insert the zone in all terminals switch.
Embodiment two
This embodiment is that terminal under via node or the via node is the changing method that the example explanation embodiment of the invention provides with node device.
Fig. 2 is the changing method flow chart that the embodiment of the invention two provides.
Step 201, source base station are all terminal distribution group identifications that are linked under the node device;
Source base station is the terminal distribution group identification that is linked under the via node.Specifically: after terminal is linked into this via node, report the ID of this via node to source base station by via node, source base station is the ID of this terminal distribution group according to the ID of via node, insert the identical ID of group of terminal distribution under the same via node, can be a plurality of ID of group of terminal distribution under the same via node as required, present embodiment limit this yet.Generally speaking, having has a terminal to trigger in the terminal of same group sign to switch, and other-end is triggered simultaneously to carry out and switches under this group.
This step is the optional step of present embodiment, also can not carry out this step.Carry out this step,, make things convenient in the source base station flow process afterwards and search terminal in this group for being linked into via node distribution group ID, thus convenient terminal transmission switching command under this group; And guarantee the switching command that sends to terminal to have only the terminal this group under correctly to read, guarantee the transmission of Information fail safe, avoid terminal non-this group under to receive handoff parameter after, also according to handoff parameter execution switching.
The measurement report that step 202, source base station receiving node equipment send;
Node device is any terminal under via node or this via node.
Along with running at high speed of train, after terminal under via node or this via node monitors the reference signal of adjacent cell, terminal under via node or the via node sends the measurement report of this adjacent cell reference signal to source base station, carries in this measurement report and the ID of via node or the ID of terminal.After source base station is adjudicated switching according to measurement report, search the contextual information of all terminals under this via node according to the ID of via node or the ID of terminal, perhaps source base station is searched the ID of affiliated via node according to the ID of terminal, and searches the contextual information of all terminals under this via node.
Be all ID of terminal distribution group under the via node when having carried out step 201, a terminal transmission measurement report group in triggers in this group all terminals and switches.After source base station switches according to measurement report judgement, search the ID of this node device place group, search the contextual information of all terminals under this group according to the ID of group according to the ID of the node device that sends measurement report.
The handoff request of step 203, source base station all terminals under target BS sending node equipment;
After source base station is adjudicated switching according to measurement report, send handoff request to target BS, carry the contextual information of all terminals in all terminals under the via node or this sector affiliated area in this handoff request, target BS is once carried out the access control to all terminals that need switch, reduces the time that the control of source base station and target BS is switched simultaneously.After target BS is ready, send access control to source base station.Source base station also can adopt the handoff request that sends each terminal under the via node respectively to target BS, carries the contextual information of this terminal in the handoff request of each terminal.
Be the ID of terminal distribution group under the via node if carried out step 201, source base station is the handoff request of each terminal in target BS sends terminal place group respectively, or once sends the handoff request of each terminal in the group of terminal place.
Step 204, source base station send the switching command indication by Common Control Channel;
The wireless resource information that public shared channel is carried in this switching command indication, all terminals or node device insert the reception information on public shared channel of all terminals in the zone under the instructs node equipment;
Common Control Channel is for example: Physical Downlink Control Channel (PDCCH, Physical DownlinkControl Channel), perhaps Physical Downlink Shared Channel (PDSCH, Physical Downlink SharedChannel).PDCCH is used to indicate relevant transformat of PDSCH and wireless resource block (RB, the Radio Block) information of PDSCH, and indicating terminal receives data by PDSCH on the wireless resource block of appointment; PDSCH is shared by a plurality of terminals, is used for carrying control data or business datum.
If carried out step 201 for all terminal distribution under the node device ID of group, then also carry the ID of group in this switching command indication, only the terminal under this group can correctly be resolved this switching command indication, obtains handoff parameter to the PDCCH of appointment.
Send the switching command indication by Common Control Channel, send handoff parameter by public shared channel, realizes disposable under via node all terminals send switching commands, reduce the stand-by period that a plurality of terminals are carried out switchings, improved switching efficiency.
Step 205, source base station are by the handoff parameter of all terminals under the public shared channel sending node equipment;
All terminals are according to the switching of handoff parameter execution to target BS under the node device; Handoff parameter comprises: target BS is a Radio Network Temporary Identifier in the sub-district of terminal distribution, target BS security algorithm sign, information such as random access guiding.Terminal is according to the synchronous and at random access operation of handoff parameter execution to target BS, and the terminal successful switch is behind target BS, and source base station discharges the resource relevant with this terminal.
After terminal was left the coverage of via node, switched to other relayings or base station, the ID of group that distributes when inserting this via node lost automatically.
Embodiment three
The scene that this embodiment switches to target BS with the terminal of same sector under the source base station is the changing method that the example explanation embodiment of the invention provides.For form between the base station or base station and fixed relay between continuous covering, the overlay area of base station is divided into several sectors, certain fixing sector forms the continuous covering with another base station or fixed relay.For example: source base station has two sectors, and second sector is specially in order to form the sector that continuous covering is provided with the target BS that covers the tunnel.The terminal that has a large amount of fast moving generally speaking switches to second sector from first sector of source base station, and switches to the target BS that covers the tunnel from second sector.
Fig. 3 is the changing method flow chart that the embodiment of the invention three provides.
When terminal when first sector switches to second sector, source base station is the identical group identification of terminal distribution; If there is terminal to be linked into second sector at random, source base station is also for being linked into the same group identification of terminal distribution of second sector at random.The terminal that finally is linked into second sector all has an identical group identification.But when the terminal quantity that be linked into second sector more for a long time, source base station can be divided into the terminal that is linked into second sector several groups, is the different group identification of the terminal distribution under the different groups.
This step is the optional step of present embodiment, also can not carry out this step.Carry out this step, search terminal in this group for being linked into the ID of terminal distribution group of second sector, making things convenient in the source base station flow process afterwards, thus convenient terminal transmission switching command under this group; And guarantee the switching command that sends to terminal to have only the terminal this group under correctly to read, guarantee the transmission of Information fail safe, avoid terminal non-this group under to receive handoff parameter after, also according to handoff parameter execution switching.
The measurement report that step 302, source base station receiving node equipment send;
Node device is the interior arbitrary terminal of affiliated area of second sector.Have arbitrary terminal to send measurement report in second sector, source base station is searched under this terminal the contextual information of all terminals under the sector according to the ID of this terminal.
When execution in step 301 for being linked into all ID of terminal distribution group of second sector, a terminal transmission measurement report group in triggers in this group all terminals and switches.After source base station switches according to measurement report judgement, search the ID of this node device place group, search the contextual information of all terminals under this group according to the ID of group according to the ID of the node device that sends measurement report.
The handoff request of step 303, all terminals of source base station in target BS sending node equipment inserts the zone;
After source base station is adjudicated switching according to measurement report, send handoff request to target BS, carry the contextual information of all terminals in all terminals under the via node or this sector affiliated area in this handoff request, target BS is once carried out the access control to all terminals that need switch, reduces the time that the control of source base station and target BS is switched simultaneously.After target BS is ready, send access control to source base station.Source base station also can adopt respectively the handoff request of each terminal in target BS sends each terminal under the via node or sector affiliated area, carries the contextual information of this terminal in the handoff request of each terminal.
If execution in step 301 node devices have inserted all terminal distribution in the zone ID of group, source base station is the handoff request of each terminal in the group of target BS transmission terminal place respectively, or once sends the handoff request of each terminal in the group of terminal place.
The wireless resource information that public shared channel is carried in this switching command indication, all terminals or node device insert the reception information on public shared channel of all terminals in the zone under the instructs node equipment;
Common Control Channel is for example: PDCCH or PDSCH.PDCCH is used to indicate relevant transformat of PDSCH and the RB information of PDSCH, and indicating terminal receives data by PDSCH on the wireless resource block of appointment; PDSCH is shared by a plurality of terminals, is used for carrying control data or business datum.
Be node device inserted all interior terminal distribution of zone group ID if carried out step 301, then also carry the ID of group in this switching command indication, only the terminal under this group can correctly be resolved this switching command indication, obtains handoff parameter to the PDCCH of appointment.
Send the switching command indication by Common Control Channel, send handoff parameter by public shared channel, realizes disposable under via node all terminals send switching commands, reduce the stand-by period that a plurality of terminals are carried out switchings, improved switching efficiency.
What node device inserted all terminals in the zone carries out switching to target BS according to handoff parameter; Handoff parameter comprises: target BS is a Radio Network Temporary Identifier in the sub-district of terminal distribution, target BS security algorithm sign, information such as random access guiding.Terminal is according to the synchronous and at random access operation of handoff parameter execution to target BS, and the terminal successful switch is behind target BS, and source base station discharges the resource relevant with this terminal.
After terminal switched to other relayings or base station, the ID of group that distributes when inserting second sector lost automatically.
The scene that the foregoing description switches to target BS with the terminal of the same sector under scene that target BS switches and source base station of terminal under the via node station is an example explanation changing method.But the present invention does not limit to and is applied under these two scenes, can also be applied to other scenes that a plurality of terminals are switched to same target BS simultaneously, realizes that principle and the foregoing description describe basic identically, gives unnecessary details no longer one by one.
Embodiment four
This embodiment is the example explanation with the base station of application process embodiment.
Seeing also Fig. 4 is the architecture of base station figure that the embodiment of the invention four provides.
Comprise:
Receiving element 410 is used for the measurement report that receiving node equipment sends;
Handoff request transmitting element 420 is used for sending all terminals under the described node device or describedly being linked into the handoff request that described node device inserts all terminals in the zone to target BS;
Further, described switching command transmitting element comprises: switching command indication transmitting element and handoff parameter transmitting element;
Described switching command indication transmitting element is used for sending the switching command indication by Common Control Channel; The Radio Resource block message of public shared channel is carried in described switching command indication;
Described handoff parameter transmitting element is used for sending the handoff parameter that all terminals under the described node device or described node device insert all terminals in the zone by described public shared channel.
Further, described base station also comprises:
Group identification allocation units 440 are used for before the measurement report that described receiving node equipment sends, for being linked into all terminals under the described node device or being linked into all terminal distribution group identifications that described node device inserts the zone;
It is described that to be linked into all terminals under the described node device or to be linked into all terminals that described node device inserts the zone are the terminals with same group sign;
Described group identification is also carried in the switching command indication that described switching command indication transmitting element sends.
Embodiment five
Present embodiment provides switched system, and this switched system sends measurement report by via node.
Fig. 5 is the switched system figure that the embodiment of the invention five provides.
Described switched system comprises: via node 500 and base station 400;
Described via node 500: be used for sending measurement report to described base station;
Described base station 400: be used to receive the measurement report that described via node sends; Send the handoff request of all terminals under the described via node to target BS; Indicate under the described via node all terminals to switch.
Embodiment six
Present embodiment also provides another kind of switched system, and this switched system sends measurement report by terminal.
Fig. 6 is the switched system figure that the embodiment of the invention six provides.
Described switched system comprises: base station 400;
Described base station 400 receives the measurement report that described terminal sends; Send the handoff request that described terminal inserts all terminals in the zone to target BS; Indicating described terminal to insert interior all terminals in zone switches.
Content such as concrete signal processing, implementation between the unit in the above-mentioned base station, and content such as concrete signal processing, implementation between the equipment in the switched system, since with the inventive method embodiment based on same conception, can repeat no more referring to the narration in the embodiment of the invention one, two, three herein.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
More than changing method and relevant apparatus that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a changing method is characterized in that, comprising:
The measurement report that receiving node equipment sends;
Send all terminals under the described node device or be linked into the handoff request that described node device inserts all terminals in the zone to target BS;
Indicate under the described node device all terminals or describedly be linked into described node device and insert in the zone all terminals and switch.
2. changing method according to claim 1 is characterized in that, all terminals that all terminals or described node device insert in the zone under the described node device of described indication are switched specifically:
Send the switching command indication by Common Control Channel, the Radio Resource block message of public shared channel is carried in described switching command indication;
Send all terminals under the described node device or describedly be linked into the handoff parameter that described node device inserts all terminals in the zone by described public shared channel.
3. changing method according to claim 2 is characterized in that: further comprise: inserted all terminal distribution group identifications in the zone by being linked into all terminals under the described node device or being linked into described node device;
All terminals or describedly be linked into described node device and insert that all terminals are the terminals with same group sign in the zone under the described node device; Wherein, described group identification is also carried in described switching command indication.
4. changing method according to claim 3, it is characterized in that, if described node device is a via node, described is that all terminal distribution group identifications that are linked under the described node device are specially: according to described identical group identification or a plurality of group identification of terminal distribution that is linked into described via node of being designated of described via node.
5. changing method according to claim 3 is characterized in that, if described node device is the terminal under the via node, described access zone is the overlay area of described via node;
Describedly insert interior all the terminal distribution group identifications in zone and be specially: according to described identical group identification or a plurality of group identification of terminal distribution that is linked into described via node of being designated of described via node for being linked into described node device.
6. changing method according to claim 3 is characterized in that, if described node device is the terminal that enters second sector coverage;
It is described that to insert all regional terminal distribution group identifications be for being linked into the terminal distribution group identification of described second sector in order to be linked into described node device.
7. according to each described changing method of claim 1 to 6, it is characterized in that, send all terminals under the described node device or describedly be linked into handoff request that described node device inserts all terminals in the zone specifically to target BS: send the handoff request that each terminal under the described node device or described node device insert each terminal in regional respectively to target BS, wherein, the handoff request of described each terminal is carried the contextual information of this terminal.
8. according to each described changing method of claim 1 to 6, it is characterized in that, send all terminals under the described node device or describedly be linked into handoff request that described node device inserts all terminals in the zone specifically: send to target BS and carry the handoff request that all terminals under the described node device or described node device insert all terminals in regional to target BS.
9. a base station is characterized in that, comprising:
Receiving element is used for the measurement report that receiving node equipment sends;
The handoff request transmitting element is used for sending all terminals under the described node device or describedly being linked into the handoff request that described node device inserts all terminals in the zone to target BS;
Switch indicating member, be used to indicate under the described node device all terminals or describedly be linked into described node device and insert interior all terminals in zone and switch.
10. base station according to claim 9 is characterized in that, described switching command transmitting element comprises: switching command indication transmitting element and handoff parameter transmitting element;
Described switching command indication transmitting element is used for sending the switching command indication by Common Control Channel; The Radio Resource block message of public shared channel is carried in described switching command indication;
Described handoff parameter transmitting element is used for sending the handoff parameter that all terminals under the described node device or described node device insert all terminals in the zone by described public shared channel.
11. base station according to claim 10 is characterized in that, described base station also comprises:
The group identification allocation units are used for before the measurement report that described receiving node equipment sends, for being linked into all terminals under the described node device or being linked into all terminal distribution group identifications that described node device inserts the zone;
It is described that to be linked into all terminals under the described node device or to be linked into all terminals that described node device inserts the zone are the terminals with same group sign;
Described group identification is also carried in the switching command indication that described switching command indication transmitting element sends.
12. a switched system is characterized in that, comprising: via node and base station;
Described via node: be used for sending measurement report to described base station;
Described base station: be used to receive the measurement report that described via node sends; Send the handoff request of all terminals under the described via node to target BS; Indicate under the described via node all terminals to switch.
13. a switched system is characterized in that, comprising: the base station;
Described base station receives the measurement report that described terminal sends; Send the handoff request that described terminal inserts all terminals in the zone to target BS; Indicating described terminal to insert interior all terminals in zone switches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810207837.8A CN101754293B (en) | 2008-12-22 | 2008-12-22 | Switching method and relevant device thereof |
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| CN200810207837.8A CN101754293B (en) | 2008-12-22 | 2008-12-22 | Switching method and relevant device thereof |
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| CN101754293A true CN101754293A (en) | 2010-06-23 |
| CN101754293B CN101754293B (en) | 2015-03-11 |
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| CN200810207837.8A Expired - Fee Related CN101754293B (en) | 2008-12-22 | 2008-12-22 | Switching method and relevant device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102137442A (en) * | 2010-01-22 | 2011-07-27 | 中兴通讯股份有限公司 | Cell selecting and switching method and system |
| CN102752818A (en) * | 2011-04-18 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for processing wireless relay node switching |
| CN102752819A (en) * | 2011-04-18 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for processing wireless relay node switching |
| CN104303546A (en) * | 2012-05-03 | 2015-01-21 | 瑞典华为技术有限公司 | Optimizing parameter settings for handover of terminals on a common transportation platform |
| WO2020034425A1 (en) * | 2018-11-01 | 2020-02-20 | Zte Corporation | Handover procedure for vehicle based communications |
| CN111434148A (en) * | 2017-11-21 | 2020-07-17 | 高通股份有限公司 | Handoff Scheme for Millimeter Wave (mmW) Wireless Communication |
| CN111726843A (en) * | 2020-05-29 | 2020-09-29 | 新华三技术有限公司成都分公司 | Method for establishing session, equipment and storage medium |
| WO2021160091A1 (en) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | Method and apparatus for group switching |
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| PT1376940E (en) * | 2002-06-20 | 2005-02-28 | Siemens Ag | PROCESS FOR DATA TRANSFER |
| CN100396144C (en) * | 2003-06-16 | 2008-06-18 | 华为技术有限公司 | Method of cross-region switching in mobile communication system |
| WO2005002087A1 (en) * | 2003-06-30 | 2005-01-06 | Nec Corporation | Communication system |
| CN1315339C (en) * | 2003-09-19 | 2007-05-09 | 华为技术有限公司 | Plot switchover decision method in linear covering network |
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| CN102137442A (en) * | 2010-01-22 | 2011-07-27 | 中兴通讯股份有限公司 | Cell selecting and switching method and system |
| CN102752818A (en) * | 2011-04-18 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for processing wireless relay node switching |
| CN102752819A (en) * | 2011-04-18 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for processing wireless relay node switching |
| WO2012142883A1 (en) * | 2011-04-18 | 2012-10-26 | 中兴通讯股份有限公司 | Method and system for handling wireless relay node handover |
| CN102752818B (en) * | 2011-04-18 | 2016-09-28 | 中兴通讯股份有限公司 | The processing method of wireless relay nodes switching and system |
| CN104303546A (en) * | 2012-05-03 | 2015-01-21 | 瑞典华为技术有限公司 | Optimizing parameter settings for handover of terminals on a common transportation platform |
| CN104303546B (en) * | 2012-05-03 | 2018-10-12 | 瑞典华为技术有限公司 | Optimize the handoff parameter setting of terminal on public transportation platform |
| CN111434148B (en) * | 2017-11-21 | 2021-11-02 | 高通股份有限公司 | Method, apparatus and non-transitory computer readable medium for wireless communication |
| US11722944B2 (en) | 2017-11-21 | 2023-08-08 | Qualcomm Incorporated | Handover schemes for millimeter wave (MMW) wireless communications |
| CN111434148A (en) * | 2017-11-21 | 2020-07-17 | 高通股份有限公司 | Handoff Scheme for Millimeter Wave (mmW) Wireless Communication |
| US11191001B2 (en) | 2017-11-21 | 2021-11-30 | Ualcomm Incorporated | Handover schemes for millimeter wave (MMW) wireless communications |
| CN112970285A (en) * | 2018-11-01 | 2021-06-15 | 中兴通讯股份有限公司 | Handover procedure for vehicle-based communication |
| CN112970285B (en) * | 2018-11-01 | 2023-02-28 | 中兴通讯股份有限公司 | Handover procedure for vehicle-based communication |
| WO2020034425A1 (en) * | 2018-11-01 | 2020-02-20 | Zte Corporation | Handover procedure for vehicle based communications |
| US12004038B2 (en) | 2018-11-01 | 2024-06-04 | Zte Corporation | Handover procedure for vehicle based communications |
| CN113347621A (en) * | 2020-02-14 | 2021-09-03 | 华为技术有限公司 | Method and device for group switching |
| WO2021160091A1 (en) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | Method and apparatus for group switching |
| US12219405B2 (en) | 2020-02-14 | 2025-02-04 | Huawei Technologies Co., Ltd. | Group handover method and apparatus |
| CN113347621B (en) * | 2020-02-14 | 2025-02-07 | 华为技术有限公司 | A method and device for group switching |
| CN111726843A (en) * | 2020-05-29 | 2020-09-29 | 新华三技术有限公司成都分公司 | Method for establishing session, equipment and storage medium |
| CN111726843B (en) * | 2020-05-29 | 2023-11-03 | 新华三技术有限公司成都分公司 | Method for establishing session, equipment and storage medium |
| WO2024022440A1 (en) * | 2022-07-29 | 2024-02-01 | 维沃移动通信有限公司 | Cell switching methods and apparatuses, and related device |
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| CN101754293B (en) | 2015-03-11 |
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