CN106304220A - Method, device, core net and the system that in a kind of LTE system, terminal switches between base station - Google Patents
Method, device, core net and the system that in a kind of LTE system, terminal switches between base station Download PDFInfo
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- CN106304220A CN106304220A CN201510323936.2A CN201510323936A CN106304220A CN 106304220 A CN106304220 A CN 106304220A CN 201510323936 A CN201510323936 A CN 201510323936A CN 106304220 A CN106304220 A CN 106304220A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides method, device, core net and the system that in a kind of LTE system, terminal switches between base station; the method that in this LTE system, terminal switches between base station includes: detect that terminal is switched to target BS from source base station; and determine that terminal, when source base station is switched to target BS handoff failure, produces the link keep-alive notice between source base station and terminal；Described link keep-alive notice is sent to source base station, makes the link between source base station and terminal keep.The method by determine be switched to target BS handoff failure from source base station time; link keep-alive between source base station and the terminal of generation is notified to be sent to source base station by core net; it is achieved thereby that user LTE business keep-alive to greatest extent after handoff failure; improve user and use impression; strengthen base station system stability, reduce unnecessary business release process.
Description
Technical field
The present invention relates to the data communication field in LTE mobile communcations system, be specifically related to a kind of LTE system
Method, device, core net and the system that in system, terminal switches between base station.
Background technology
In LTE mobile communcations system, S1 switching is made by core network element, completes business migration between base station
Business Processing mode.After normal S1 has switched, core net is notified that source base station is initiated context and released
Putting, if it occur that S1 switching failure scene, under general scene, core net may initiate context by notice source
Release, or there is no any notice, the actively release of source base station.
Switching occurs the above-mentioned processing mode of failure scene to be problematic.Mostly handoff scenario occur be not because of
The most weak for source signal, but purpose base station signal is higher and reaches handoff threshold and causes, say, that use
It is no problem that family carries out business under source base station signal, because handoff failure initiates context release,
Being equivalent to actively call drop, user is experienced as bad by this.For other scene, if core net does not has
Any notice, generally, source base station is in default of understanding core net and the running status of target BS
Still believe that and be in handoff procedure, because not knowing the terminal switch instances in purpose base station, for resource
Reclaim safe for the sake of, can actively initiate context discharge, still equivalent to active call drop.
The problem considering why to occur above, its reason is switching failure scene between S1 is stood by LTE protocol
Supporting defective, core net knows source base station target BS state, refines core net according to scene
Information notifies, can improve user greatly and use impression, strengthens system stability and reduce KPI fault rate
Judge.
Summary of the invention
It is an object of the invention to provide a kind of method that in LTE system, terminal switches between base station, device,
Core net and system, it is no problem for solve user carrying out business under source base station signal, because cutting
Change and unsuccessfully initiate context release, be equivalent to actively call drop, cause user to experience bad problem, it is achieved right
User LTE business keep-alive to greatest extent after S1 handoff failure, improves user and uses impression, strengthen base station
System stability, reduces unnecessary business release process.
To achieve these goals, during the embodiment of the present invention provides a kind of LTE system, terminal is cut between base station
The method changed, including:
Detect that terminal is switched to target BS from source base station, and determine that terminal is switched to target base from source base station
Stand handoff failure time, produce the link keep-alive notice between source base station and terminal；
Described link keep-alive notice is sent to source base station, makes the link between source base station and terminal keep.
Wherein, detect that the step that terminal is switched to target BS from source base station includes:
Obtain the measurement report that terminal is reported by source base station；
Detect that terminal is switched to target BS from source base station according to described measurement report.
Wherein it is determined that the step that terminal is switched to target BS handoff failure from source base station includes:
Detect that terminal, when link failure is set up in target BS side, determines that terminal is switched to target from source base station
Base station handoff failure.
Wherein, the step that described link keep-alive notice is sent to source base station includes:
Described link keep-alive notice is sent to source base station by newly-increased interface.
Wherein, also include after described link keep-alive notice being sent to source base station:
The context of notice target BS release link switching.
Wherein, terminal described above is switched to target BS from source base station is based between source base station and target BS
The switching of S1 interface.
The embodiment of the present invention also provides for the device that in a kind of LTE system, terminal switches between base station, is applied to
Core-network side, including:
Detection module, is used for detecting that terminal is switched to target BS from source base station, and determines that terminal is from source base
Station is switched to target BS handoff failure, produces the link keep-alive notice between source base station and terminal；
Sending module, for link keep-alive notice is sent to source base station, makes the chain between source base station and terminal
Road keeps.
Wherein, described detection module includes:
Obtain submodule, for obtaining the measurement report that terminal is reported by source base station；
According to described measurement report, first detection sub-module, for detecting that terminal is switched to target from source base station
Base station.
Wherein, described detection module also includes:
Second detection sub-module, is used for detecting that terminal, when link failure is set up in target BS side, determines end
End is switched to target BS handoff failure from source base station.
Wherein, described sending module is specifically for being sent to source by described link keep-alive notice by newly-increased interface
Base station.
Wherein, described sending module also includes:
Link release notification module, for notifying the context of target BS release link switching.
Wherein, terminal described above is switched to target BS from source base station is based between source base station and target BS
The switching of S1 interface.
The embodiment of the present invention also provides for a kind of core net, including: the terminal as described in above-described embodiment is in base station
Between switching device.
The embodiment of the present invention also provides for the system that in a kind of LTE system, terminal switches between base station, including:
Source base station, target BS and core net, described core net is the core net described in above-described embodiment.
Having the beneficial effect that of the technique scheme of the present invention:
Method that in the LTE system of the embodiment of the present invention, terminal switches between base station, device, core net and
In system, by determine be switched to target BS handoff failure from source base station time, core net will produce source
Link keep-alive notice between base station and terminal is sent to source base station, it is achieved thereby that user after handoff failure
The keep-alive to greatest extent of LTE business, improves user and uses impression, strengthen base station system stability, reduce not
Necessary business release process.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention LTE system in the basic step of method that switches between base station of terminal
Schematic diagram；
Fig. 2 be the embodiment of the present invention LTE system in the composition structure of device that switches between base station of terminal
Schematic diagram.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
It is no problem for the present invention is directed to user in prior art carrying out business under source base station signal, but
Because handoff failure initiates context release, be equivalent to actively call drop, make user experience bad problem, carry
Supply method, device, core net and system that in a kind of LTE system, terminal switches between base station, passed through
Determine be switched to target BS handoff failure from source base station time, core net by the source base station and the terminal that produce it
Between link keep-alive notice be sent to source base station, it is achieved thereby that user LTE business is after handoff failure
The keep-alive of limits, improves user and uses impression, strengthen base station system stability, reduce unnecessary business
Release process.
As it is shown in figure 1, the embodiment of the present invention provides the side that in a kind of LTE system, terminal switches between base station
Method, including:
Step 11, detects that terminal is switched to target BS from source base station, and determines that terminal is cut from source base station
When changing to target BS handoff failure, produce the link keep-alive notice between source base station and terminal；
Step 12, is sent to source base station by described link keep-alive notice, makes the chain between source base station and terminal
Road keeps.
Method that in the LTE system of the embodiment of the present invention, terminal switches between base station, device, core net and
In system, by determine be switched to target BS handoff failure from source base station time, core net will produce source
Link keep-alive notice between base station and terminal is sent to source base station, it is achieved thereby that user after handoff failure
The keep-alive to greatest extent of LTE business, improves user and uses impression, strengthen base station system stability, reduce not
Necessary business release process.
In the above embodiment of the present invention, it is based on source base station that described terminal is switched to target BS from source base station
And the switching of the S1 interface between target BS.
Further, provide in the above embodiment of the present invention detects that terminal is switched to target from source base station
Base station, and determine terminal when source base station is switched to target BS handoff failure, produce source base station and terminal it
Between link keep-alive notice method in, wherein, step 11 detects that terminal is switched to from source base station
Target BS may include that
Step 111, obtains the measurement report that terminal is reported by source base station；
According to described measurement report, step 112, detects that terminal is switched to target BS from source base station.
Wherein, the determination terminal in step 11 be switched to the step of target BS handoff failure from source base station can
To include:
Step 113, detects that terminal, when link failure is set up in target BS side, determines that terminal is from source base station
It is switched to target BS handoff failure.
Concrete, the switching failure scene in step 113 is not limited solely to terminal and sets up chain in target BS side
The scene that road is failed, other handoff scenario also may be used.
Further, provide in embodiments of the invention is sent to source base station by described link keep-alive notice,
Making in the method that the link between source base station and terminal keeps, step 12 may include that
Step 121, is sent to source base station by described link keep-alive notice by newly-increased interface.
Concrete, the processing mode of step 121 link keep-alive notice is not limited solely to newly-increased interface, other chains
The processing mode core net of road keep-alive notice is also supported.
Further, after described link keep-alive notice is sent to source base station, described method also includes:
Step 13, the context of notice target BS release link switching.
The said method of the present invention, by determine be switched to target BS handoff failure from source base station time, core
Link keep-alive between source base station and the terminal of generation is notified to be sent to source base station by heart net, it is achieved thereby that
User LTE business keep-alive to greatest extent after handoff failure, improves user and uses impression, strengthens base station system
System stability, reduces unnecessary business release process.
As in figure 2 it is shown, the embodiment of the present invention also provides for what terminal in a kind of LTE system switched between base station
Device, including:
Detection module 21, is used for detecting that terminal is switched to target BS from source base station, and determine terminal from
Source base station is switched to target BS handoff failure, produces the link keep-alive notice between source base station and terminal；
Sending module 22, for link keep-alive notice is sent to source base station, makes between source base station and terminal
Link keep.
Concrete, in the above embodiment of the present invention, described terminal from source base station be switched to target BS be based on
The switching of the S1 interface between source base station and target BS.
Concrete, the detection module 21 described in the above embodiment of the present invention includes:
Obtain submodule, for obtaining the measurement report that terminal is reported by source base station；
According to described measurement report, first detection sub-module, for detecting that terminal is switched to target from source base station
Base station.
Concrete, the detection module 21 described in the above embodiment of the present invention also includes:
Second detection sub-module, is used for detecting that terminal, when link failure is set up in target BS side, determines end
End is switched to target BS handoff failure from source base station.
Concrete, in the second detection sub-module of the detection module 21 described in the above embodiment of the present invention
Switching failure scene be not limited solely to terminal and set up the scene of link failure, cutting of other in target BS side
Carry over scape also may be used.
Concrete, the sending module 22 described in the above embodiment of the present invention is specifically for by described link
Keep-alive notice is sent to source base station by newly-increased interface.
Concrete, the process side of keep-alive notice in the sending module 22 described in the above embodiment of the present invention
Formula is not limited solely to newly-increased interface, and the processing mode core net of other link keep-alives notice is also supported.
Concrete, the sending module 22 described in the above embodiment of the present invention also includes:
Link release notification module, for notifying the context of target BS release link switching.
It should be understood that this device is the device corresponding with said method, all realizations of said method are real
Execute example all be applicable to the embodiment of this device, also can reach identical technique effect.
The embodiment of the present invention also provides for a kind of core net, including the terminal as described in above-described embodiment between base station
The device of switching.
The embodiment of the present invention also provides for the system that in a kind of LTE system, terminal switches between base station, including:
Source base station, target BS and core net.
Concrete, described core net is the core net as described in above-described embodiment.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (14)
1. the method that in a LTE system, terminal switches between base station, it is characterised in that including:
Detect that terminal is switched to target BS from source base station, and determine that terminal is switched to target base from source base station
Stand handoff failure time, produce the link keep-alive notice between source base station and terminal；
Described link keep-alive notice is sent to source base station, makes the link between source base station and terminal keep.
The method that terminal the most according to claim 1 switches between base station, it is characterised in that detection
The step being switched to target BS from source base station to terminal includes:
Obtain the measurement report that terminal is reported by source base station；
Detect that terminal is switched to target BS from source base station according to described measurement report.
The method that terminal the most according to claim 1 switches between base station, it is characterised in that determine
The step that terminal is switched to target BS handoff failure from source base station includes:
Detect that terminal, when link failure is set up in target BS side, determines that terminal is switched to target from source base station
Base station handoff failure.
The method that terminal the most according to claim 1 switches between base station, it is characterised in that by institute
State link keep-alive and notify that the step being sent to source base station includes:
Described link keep-alive notice is sent to source base station by newly-increased interface.
The method that terminal the most according to claim 1 switches between base station, it is characterised in that by institute
State after link keep-alive notice is sent to source base station and also include:
The context of notice target BS release link switching.
6. the method switched between base station according to the terminal described in any one of claim 1-5, its feature exists
In, it is based on the S1 interface between source base station and target BS that described terminal is switched to target BS from source base station
Switching.
7. the device that in LTE system, terminal switches between base station, is applied to core-network side, its feature
It is, including:
Detection module, is used for detecting that terminal is switched to target BS from source base station, and determines that terminal is from source base
Station is switched to target BS handoff failure, produces the link keep-alive notice between source base station and terminal；
Sending module, for link keep-alive notice is sent to source base station, makes the chain between source base station and terminal
Road keeps.
The device that terminal the most according to claim 7 switches between base station, it is characterised in that described
Detection module includes:
Obtain submodule, for obtaining the measurement report that terminal is reported by source base station；
According to described measurement report, first detection sub-module, for detecting that terminal is switched to target from source base station
Base station.
The device that terminal the most according to claim 8 switches between base station, it is characterised in that described
Detection module also includes:
Second detection sub-module, is used for detecting that terminal, when link failure is set up in target BS side, determines end
End is switched to target BS handoff failure from source base station.
The device that terminal the most according to claim 7 switches between base station, it is characterised in that described
Sending module is specifically for being sent to source base station by described link keep-alive notice by newly-increased interface.
The device that 11. terminals according to claim 10 switch between base station, it is characterised in that institute
State sending module also to include:
Link release notification module, for notifying the context of target BS release link switching.
12. devices switched between base station according to the terminal described in any one of claim 7-11, its feature
Being, it is to connect based on the S1 between source base station and target BS that described terminal is switched to target BS from source base station
The switching of mouth.
13. 1 kinds of core net, it is characterised in that including: the end as described in any one of claim 7-12
End is the device of switching between base station.
The system that in 14. 1 kinds of LTE system, terminal switches between base station, it is characterised in that including: source
Base station, target BS and core net, described core net is core net as claimed in claim 13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510323936.2A CN106304220B (en) | 2015-06-12 | 2015-06-12 | Method, apparatus, core net and the system that terminal switches between base station in a kind of LTE system |
| PCT/CN2016/073788 WO2016197620A1 (en) | 2015-06-12 | 2016-02-15 | Method, device, core network, system and media for terminal switching between base stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510323936.2A CN106304220B (en) | 2015-06-12 | 2015-06-12 | Method, apparatus, core net and the system that terminal switches between base station in a kind of LTE system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106304220A true CN106304220A (en) | 2017-01-04 |
| CN106304220B CN106304220B (en) | 2019-10-18 |
Family
ID=57504333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510323936.2A Active CN106304220B (en) | 2015-06-12 | 2015-06-12 | Method, apparatus, core net and the system that terminal switches between base station in a kind of LTE system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106304220B (en) |
| WO (1) | WO2016197620A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632921A (en) * | 2017-03-23 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of core net switching method and device |
| WO2020056587A1 (en) * | 2018-09-18 | 2020-03-26 | Oppo广东移动通信有限公司 | Switching processing method, terminal device and network device |
| CN113938962A (en) * | 2020-07-13 | 2022-01-14 | 夏普株式会社 | Switching information reporting method and user equipment |
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| CN101048001A (en) * | 2006-06-22 | 2007-10-03 | 华为技术有限公司 | Switchover control method |
| CN101888675A (en) * | 2009-05-14 | 2010-11-17 | 中兴通讯股份有限公司 | Cross-base station switching method and system in long term evolution system |
| CN102238665A (en) * | 2010-05-05 | 2011-11-09 | 中兴通讯股份有限公司 | Random access method, base station, user equipment and system |
| US20120207070A1 (en) * | 2011-02-10 | 2012-08-16 | Qualcomm Incorporated | Mobility enhancements for long term evolution (lte) discontinuous reception (drx) operations |
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2015
- 2015-06-12 CN CN201510323936.2A patent/CN106304220B/en active Active
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2016
- 2016-02-15 WO PCT/CN2016/073788 patent/WO2016197620A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101048001A (en) * | 2006-06-22 | 2007-10-03 | 华为技术有限公司 | Switchover control method |
| CN101888675A (en) * | 2009-05-14 | 2010-11-17 | 中兴通讯股份有限公司 | Cross-base station switching method and system in long term evolution system |
| CN102238665A (en) * | 2010-05-05 | 2011-11-09 | 中兴通讯股份有限公司 | Random access method, base station, user equipment and system |
| US20120207070A1 (en) * | 2011-02-10 | 2012-08-16 | Qualcomm Incorporated | Mobility enhancements for long term evolution (lte) discontinuous reception (drx) operations |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632921A (en) * | 2017-03-23 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of core net switching method and device |
| US11206585B2 (en) | 2017-03-23 | 2021-12-21 | Xi'an Zhongxing New Software Co., Ltd. | Handover method and device involving multiple core networks |
| CN108632921B (en) * | 2017-03-23 | 2022-07-01 | 中兴通讯股份有限公司 | Core network switching method and device |
| WO2020056587A1 (en) * | 2018-09-18 | 2020-03-26 | Oppo广东移动通信有限公司 | Switching processing method, terminal device and network device |
| US11611925B2 (en) | 2018-09-18 | 2023-03-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Switching processing method, terminal device and network device |
| CN113938962A (en) * | 2020-07-13 | 2022-01-14 | 夏普株式会社 | Switching information reporting method and user equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106304220B (en) | 2019-10-18 |
| WO2016197620A1 (en) | 2016-12-15 |
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