CN101754293B - Switching method and relevant device thereof - Google Patents
Switching method and relevant device thereof Download PDFInfo
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- CN101754293B CN101754293B CN200810207837.8A CN200810207837A CN101754293B CN 101754293 B CN101754293 B CN 101754293B CN 200810207837 A CN200810207837 A CN 200810207837A CN 101754293 B CN101754293 B CN 101754293B
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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 current mobile communication system, in order to the continuity of maintenance service, when mobile terminal moves to the coverage of another base station from the coverage of a base station, handover operation can be performed.The information such as existing switching flow is specifically: terminal sends measurement report to source cell base station, the signal parameter of carried terminal mark and monitoring in this measurement report; Source base station receives measurement report, after switching, sends handover request, carry the contextual information of this terminal to target BS according to measurement report judgement; After target cell base station access control, source cell base station sends handoff parameter to terminal, and terminal performs to the synchronous of target cell base station and random access operation according to handoff parameter.
To in the research and practice process of prior art, the present inventor finds: when great amount of terminals is switched to another one base station from a base station simultaneously, such as be linked into all terminals under the via node being arranged on and running at high speed on train, along with running at high speed from multiple community of train is passed, multiple terminals on 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 process these a large amount of space interface signalings at short notice at all, the switching performed to target BS that also do not have enough time of some terminal is made just to have left original service area, now terminal does not access any community, there is the situation of service disruption in terminal.
Summary of the invention
The embodiment of the present invention provides method and the relevant apparatus of switching, realizes the persistent service to terminal when great amount of terminals switches simultaneously.
A kind of changing method, comprising:
The measurement report that receiving node equipment sends;
Under sending described node device to target BS all terminals or be linked into described node device access the handover request of all terminals in region;
Under indicating described node device all terminals or described in be linked into described node device and access all terminals in region and switch.
A kind of base station, comprising:
Receiving element, for the measurement report that receiving node equipment sends;
Handover request transmitting element, for send to target BS all terminals under described node device or described in be linked into described node device access the handover request of all terminals in region;
Switch indicating member, under being used to indicate described node device all terminals or described in be linked into described node device and access all terminals in region and switch.
A kind of switched system, comprising: via node and base station;
Described via node: for sending measurement report to described base station;
Described base station: for receiving the measurement report that described via node sends; The handover request of all terminals under sending described via node to target BS; Under indicating described via node, all terminals switch.
A kind of switched system, comprising: base station;
Described base station, receives the measurement report that described terminal sends; To target BS send described terminal access the handover request of all terminals in region;
Indicate described terminal to access all terminals in region to switch.
The embodiment of the present invention, after receiving the measurement report of node device transmission, namely under sending this node device to target BS all terminals or be linked into this node device access the contextual information of all terminals in region, trigger the switching of all terminals to target BS, relative to each terminal under this node device in prior art or be linked into this node device access all terminals in region need at the same time switch time, all to send measurement report to source base station and just can trigger the switching of this terminal to target BS: even if the embodiment of the present invention receive node device or be linked into this node device access the measurement report that terminal under region sends, namely the switching controls of all terminals under all terminals or node device access region under starting to carry out this node device, source base station is avoided to carry out switching controls according to the measurement report of each terminal to report to this terminal one by one, reduce the handling process of source base station, improve the efficiency that great amount of terminals switches simultaneously.
Accompanying drawing explanation
Fig. 1 is the changing method flow chart that the embodiment of the present invention one provides;
Fig. 2 is the changing method flow chart that the embodiment of the present invention two provides;
Fig. 3 is the changing method flow chart that the embodiment of the present invention three provides;
Fig. 4 is the architecture of base station figure that the embodiment of the present invention four provides;
Fig. 5 is the switched system figure that the embodiment of the present invention five provides;
Fig. 6 is the switched system figure that the embodiment of the present invention six provides.
Embodiment
The embodiment of the present invention provides a kind of changing method and relevant apparatus, for realizing the switching of group endpoints.Below be described in detail respectively.
Embodiment one
Fig. 1 is the changing method flow chart that the embodiment of the present invention one provides.
Be described in detail as follows:
The measurement report that step 101, receiving node equipment send;
Step 102, to all terminals under target BS sending node equipment or be linked into node device access the handover request of all terminals in region;
All terminals or be linked into node device and access all terminals in region and switch under step 103, instructs node equipment.
Embodiment two
This embodiment is that terminal under via node or via node illustrates the changing method that the embodiment of the present invention provides for node device.
Fig. 2 is the changing method flow chart that the embodiment of the present invention two provides.
Step 201, source base station are all terminal distribution group identifications be linked under node device;
Source base station is the terminal distribution group identification be linked under via node.Specifically: after terminal is linked into this via node, reported the ID of this via node to source base station by via node, source base station is this terminal distribution group ID according to the ID of via node, access the group ID that terminal distribution under same via node is identical, also can be the multiple group ID of terminal distribution under same via node as required, the present embodiment limit this.Generally, have in the terminal of same group mark and have a terminal to trigger switching, under this group, other-end is triggered simultaneously and performs switching.
This step is the optional step of the present embodiment, also can not perform this step.Perform this step, for being linked into via node distribution group ID, facilitating in source base station flow process afterwards and searching terminal in this group, thus convenient to the terminal transmission switching command under this group; And ensure, to the switching command of terminal transmission, to only have the terminal under this group correctly to read, guarantee the transmission security of information, after avoiding the terminal under this group non-to receive handoff parameter, also perform switching according to handoff parameter.
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, terminal monitoring under via node or this via node is after the reference signal of adjacent cell, terminal under via node or via node sends the measurement report of this adjacent cell reference signal to source base station, carry and the ID of via node or the ID of terminal in this measurement report.After source base station switches according to measurement report judgement, the contextual information of all terminals under searching this via node according to the ID of via node or the ID of terminal, or source base station searches the ID of affiliated via node according to the ID of terminal, and the contextual information of all terminals under searching this via node.
When performing step 201 for all terminal distribution group ID under via node, a terminal transmission measurement report in group triggers all terminals in this group and switches.Source base station searches the ID of this node device place group, the contextual information of all terminals under searching this group according to group ID after switching according to measurement report judgement according to the ID of the node device sending measurement report.
Step 203, source base station are to the handover request of all terminals under target BS sending node equipment;
After source base station switches according to measurement report judgement, handover request is sent to target BS, the contextual information of all terminals in all terminals or this sector affiliated area under carrying via node in this handover request, target BS once performs all access controls needing the terminal switched, and reduces the time of source base station and target BS control switching simultaneously.After target BS is ready, send access control to source base station.Source base station also can adopt the handover request respectively to each terminal under target BS transmission via node, carries the contextual information of this terminal in the handover request of each terminal.
If perform step 201 for terminal distribution group ID under via node, source base station is respectively to the handover request of each terminal in the group of target BS transmitting terminal place, or the handover request of each terminal in a transmitting terminal place group.
Step 204, source base station send switching command instruction by Common Control Channel;
The wireless resource information of public shared channel is carried in the instruction of this switching command, under instructs node equipment all terminals or node device access the reception information on public shared channel of all terminals in region;
Common Control Channel is such as: Physical Downlink Control Channel (PDCCH, Physical DownlinkControl Channel), or Physical Downlink Shared Channel (PDSCH, Physical Downlink SharedChannel).PDCCH is used to indicate wireless resource block (RB, the Radio Block) information of transformat that PDSCH is correlated with and PDSCH, and indicating terminal receives data by PDSCH on the wireless resource block of specifying; PDSCH is shared by multiple terminal, is used for Bearer Control data or business datum.
If to perform step 201 be all terminal distribution under node device group ID, then also carry group ID in the instruction of this switching command, the terminal only under this group correctly can resolve the instruction of this switching command, to the PDCCH specified, obtain handoff parameter.
Send switching command instruction by Common Control Channel, send handoff parameter by public shared channel, realize disposable under via node all terminals send switching command, reduce multiple terminal and perform the stand-by period switched, improve switching efficiency.
Step 205, source base station are by the handoff parameter of all terminals under public shared channel sending node equipment;
Under node device, all terminals are according to the switching of handoff parameter execution to target BS; Handoff parameter comprises: target BS be terminal distribution community in Radio Network Temporary Identifier, target BS security algorithm identification, the information such as random access guiding.Terminal performs to the synchronous of target BS and random access operation according to handoff parameter, after terminal successful switch to target BS, and the resource that source base station release is relevant with this terminal.
When terminal leaves the coverage of via node, after being switched to other relayings or base station, the group ID distributed when accessing this via node loses automatically.
Embodiment three
This embodiment illustrates to the scene that target BS switches the changing method that the embodiment of the present invention provides for the terminal of sector same under source base station.In order to form the continuous covering between base station or between base station and fixed relay, the overlay area of base station is divided into several sector, and certain fixing sector forms the continuous covering with another base station or fixed relay.Such as: source base station has two sectors, the second sector covers the sector arranged continuously to be formed with the target BS covering tunnel specially.The terminal generally having a large amount of fast moving from the first sector switch of source base station to the second sector, and from the second sector switch to the target BS covering tunnel.
Fig. 3 is the changing method flow chart that the embodiment of the present invention three provides.
Step 301, source base station are accessed all terminal distribution group identifications in region by being linked into node device;
When terminal is from the first sector switch to the second sector, source base station is the group identification that terminal distribution is identical; If have terminal Stochastic accessing to the second sector, source base station is also Stochastic accessing to the same group identification of the terminal distribution of the second sector.The terminal being finally linked into the second sector all has an identical group identification.But when the terminal quantity being linked into the second sector is more, the terminal being linked into the second sector can be divided into several group by source base station, it is the group identification that the terminal distribution under different group is different.
This step is the optional step of the present embodiment, also can not perform this step.Perform this step, for being linked into the terminal distribution group ID of the second sector, facilitating in source base station flow process afterwards and searching terminal in this group, thus convenient to the terminal transmission switching command under this group; And ensure, to the switching command of terminal transmission, to only have the terminal under this group correctly to read, guarantee the transmission security of information, after avoiding the terminal under this group non-to receive handoff parameter, also perform switching according to handoff parameter.
The measurement report that step 302, source base station receiving node equipment send;
Node device is any terminal in the affiliated area of the second sector.When there being any terminal to send measurement report in the second sector, the contextual information of all terminals under source base station searches sector belonging to this terminal according to the ID of this terminal.
When execution step 301 is for being linked into all terminal distribution group ID of the second sector, a terminal transmission measurement report in group triggers all terminals in this group and switches.Source base station searches the ID of this node device place group, the contextual information of all terminals under searching this group according to group ID after switching according to measurement report judgement according to the ID of the node device sending measurement report.
Step 303, source base station to target BS sending node equipment access the handover request of all terminals in region;
After source base station switches according to measurement report judgement, handover request is sent to target BS, the contextual information of all terminals in all terminals or this sector affiliated area under carrying via node in this handover request, target BS once performs all access controls needing the terminal switched, and reduces the time of source base station and target BS control switching simultaneously.After target BS is ready, send access control to source base station.Source base station also can adopt the handover request respectively to each terminal in each terminal under target BS transmission via node or sector affiliated area, carries the contextual information of this terminal in the handover request of each terminal.
If perform step 301 node device access all terminal distribution in region group ID, source base station is respectively to the handover request of each terminal in the group of target BS transmitting terminal place, or the handover request of each terminal in a transmitting terminal place group.
Step 304, source base station send switching command instruction by Common Control Channel;
The wireless resource information of public shared channel is carried in the instruction of this switching command, under instructs node equipment all terminals or node device access the reception information on public shared channel of all terminals in region;
Common Control Channel is such as: PDCCH or PDSCH.PDCCH is used to indicate the RB information of transformat that PDSCH is correlated with and PDSCH, and indicating terminal receives data by PDSCH on the wireless resource block of specifying; PDSCH is shared by multiple terminal, is used for Bearer Control data or business datum.
All terminal distribution in region group ID is accessed if to perform step 301 be node device, then also carry group ID in the instruction of this switching command, terminal only under this group correctly can resolve the instruction of this switching command, to the PDCCH specified, obtain handoff parameter.
Send switching command instruction by Common Control Channel, send handoff parameter by public shared channel, realize disposable under via node all terminals send switching command, reduce multiple terminal and perform the stand-by period switched, improve switching efficiency.
Step 305, source base station by public shared channel sending node equipment access the handoff parameter of all terminals in region;
Node device access all terminals in region perform switching to target BS according to handoff parameter; Handoff parameter comprises: target BS be terminal distribution community in Radio Network Temporary Identifier, target BS security algorithm identification, the information such as random access guiding.Terminal performs to the synchronous of target BS and random access operation according to handoff parameter, after terminal successful switch to target BS, and the resource that source base station release is relevant with this terminal.
When after terminal switch to other relayings or base station, the group ID distributed when accessing the second sector loses automatically.
The scene that under the scene that above-described embodiment switches to target BS for terminal under via node station and source base station, the terminal of same sector switches to target BS illustrates changing method.But under the present invention does not limit to and is applied to these two scenes, other scenes that multiple terminal switches to same target BS simultaneously can also be applied to, realize principle and describe substantially identical with above-described embodiment, repeat no longer one by one.
Embodiment four
This embodiment illustrates for the base station of application process embodiment.
Referring to Fig. 4 is the architecture of base station figure that the embodiment of the present invention four provides.
Comprise:
Receiving element 410, for the measurement report that receiving node equipment sends;
Handover request transmitting element 420, for send to target BS all terminals under described node device or described in be linked into described node device access the handover request of all terminals in region;
Switch indicating member 430, under being used to indicate described node device all terminals or described in be linked into described node device and access all terminals in region and switch.
Further, described handover request transmitting element comprises: switching command instruction transmitting element and handoff parameter transmitting element;
Described switching command instruction transmitting element, for sending switching command instruction by Common Control Channel; The Radio Resource block message of public shared channel is carried in described switching command instruction;
Described handoff parameter transmitting element, for all terminals under sending described node device by described public shared channel or described node device access the handoff parameter of all terminals in region.
Further, described base station also comprises:
Group identification allocation units 440, for before the measurement report that sends at described receiving node equipment, for all terminals of being linked under described node device or be linked into described node device access all terminal distribution group identifications in region;
Described be linked into all terminals under described node device or be linked into described node device access region all terminals are the terminals with same group mark;
Described group identification is also carried in the switching command instruction that described switching command instruction transmitting element sends.
Embodiment five
The 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 present invention five provides.
Described switched system comprises: via node 500 and base station 400;
Described via node 500: for sending measurement report to described base station;
Described base station 400: for receiving the measurement report that described via node sends; The handover request of all terminals under sending described via node to target BS; Under indicating described via node, all terminals switch.
Embodiment six
The 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 present invention six provides.
Described switched system comprises: base station 400;
Described base station 400, receives the measurement report that described terminal sends; To target BS send described terminal access the handover request of all terminals in region; Indicate described terminal to access all terminals in region to switch.
The contents such as signal transacting concrete between the unit in above-mentioned base station, implementation, and the content such as signal transacting, implementation concrete between equipment in switched system, due to the inventive method embodiment based on same conception, see describing in the embodiment of the present invention one, two, three, can repeat no more herein.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
The changing method provided the embodiment of the present invention above and relevant apparatus are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will 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; Described node device is any terminal under via node or this via node, carries the ID of described via node or the ID of described terminal in described measurement report;
Under sending described node device to target BS all terminals or be linked into described node device access the handover request of all terminals in region;
Under indicating described node device all terminals or described in be linked into described node device and access all terminals in region and switch.
2. changing method according to claim 1, is characterized in that, under the described node device of described instruction all terminals or described node device all terminals accessed in region carry out switching specifically:
Send switching command instruction by Common Control Channel, the Radio Resource block message of public shared channel is carried in described switching command instruction;
Under sending described node device by described public shared channel all terminals or described in be linked into described node device access the handoff parameter of all terminals in region.
3. changing method according to claim 2, is characterized in that: comprise further: by all terminals of being linked under described node device or be linked into described node device and accessed all terminal distribution group identifications in region;
Under described node device all terminals or described in be linked into described node device access all terminals in region be have same group mark terminal; Wherein, described group identification is also carried in described switching command instruction.
4. changing method according to claim 3, it is characterized in that, if described node device is via node, to be describedly specially for all terminal distribution group identifications be linked under described node device: the group identification identical according to the terminal distribution being linked into described via node described in being designated of described via node or multiple group identification.
5. changing method according to claim 3, is characterized in that, if described node device is the terminal under via node, described access region is the overlay area of described via node;
Described for be linked into described node device access all terminal distribution group identifications in region and be specially: the group identification identical according to the terminal distribution being linked into described via node described in being designated of described via node or multiple group identification.
6. changing method according to claim 3, is characterized in that, if described node device is the terminal entering the second sector coverage;
Described for be linked into described node device access region all terminal distribution group identifications are terminal distribution group identifications for being linked into described second sector.
7. the changing method according to any one of claim 1 to 6, it is characterized in that, under sending described node device to target BS all terminals or described in be linked into described node device access the handover request of all terminals in region specifically: under sending described node device respectively to target BS each terminal or described node device access the handover request of each terminal in region, wherein, the handover request of described each terminal carries the contextual information of this terminal.
8. the changing method according to any one of claim 1 to 6, it is characterized in that, under sending described node device to target BS all terminals or described in be linked into described node device access the handover request of all terminals in region specifically: under sending described node device to target BS all terminals or described node device access the handover request of all terminals in region, wherein, the handover request of described each terminal carries the contextual information of this terminal.
9. a base station, is characterized in that, comprising:
Receiving element, for the measurement report that receiving node equipment sends; Described node device is any terminal under via node or this via node, carries the ID of described via node or the ID of described terminal in described measurement report;
Handover request transmitting element, for send to target BS all terminals under described node device or described in be linked into described node device access the handover request of all terminals in region;
Switch indicating member, under being used to indicate described node device all terminals or described in be linked into described node device and access all terminals in region and switch.
10. base station according to claim 9, is characterized in that, described handover request transmitting element comprises: switching command instruction transmitting element and handoff parameter transmitting element;
Described switching command instruction transmitting element, for sending switching command instruction by Common Control Channel; The Radio Resource block message of public shared channel is carried in described switching command instruction;
Described handoff parameter transmitting element, for all terminals under sending described node device by described public shared channel or described node device access the handoff parameter of all terminals in region.
11. base stations according to claim 10, is characterized in that, described base station also comprises:
Group identification allocation units, for before the measurement report that sends at described receiving node equipment, for all terminals of being linked under described node device or be linked into described node device access all terminal distribution group identifications in region;
Described be linked into all terminals under described node device or be linked into described node device access region all terminals are the terminals with same group mark;
Described group identification is also carried in the switching command instruction that described switching command instruction transmitting element sends.
12. 1 kinds of switched systems, is characterized in that, comprising: via node and base station;
Described via node: for sending measurement report to described base station, carry the ID of described via node or the ID of described terminal in described measurement report;
Described base station: for receiving the measurement report that described via node sends; The handover request of all terminals under sending described via node to target BS; Under indicating described via node, all terminals switch.
13. 1 kinds of switched systems, is characterized in that, comprising: base station;
Described base station, the measurement report that receiving terminal sends; To target BS send described terminal access the handover request of all terminals in region; Indicate described terminal to access all terminals in region to switch, in described measurement report, carry the ID of described via node or the ID of described terminal.
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| CN200810207837.8A CN101754293B (en) | 2008-12-22 | 2008-12-22 | Switching method and relevant device thereof |
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Families Citing this family (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 |
| 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 |
| 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 |
| CN109275168B (en) * | 2012-05-03 | 2021-06-01 | 瑞典华为技术有限公司 | System and method for optimizing switching parameter settings of terminals on public transportation platform |
| US11191001B2 (en) * | 2017-11-21 | 2021-11-30 | Ualcomm Incorporated | Handover schemes for millimeter wave (MMW) wireless communications |
| EP3874810A4 (en) * | 2018-11-01 | 2022-06-22 | 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 |
| 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 |
| CN117528674A (en) * | 2022-07-29 | 2024-02-06 | 维沃移动通信有限公司 | Cell switching method, device and related equipment |
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