CN107295584A - The method and apparatus that method and apparatus, the community configured information of cell switching update - Google Patents
The method and apparatus that method and apparatus, the community configured information of cell switching update Download PDFInfo
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- CN107295584A CN107295584A CN201610223876.1A CN201610223876A CN107295584A CN 107295584 A CN107295584 A CN 107295584A CN 201610223876 A CN201610223876 A CN 201610223876A CN 107295584 A CN107295584 A CN 107295584A
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- community
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The invention discloses the method and apparatus that a kind of method and apparatus of cell switching, community configured information update, including：User equipment (UE) measures the configuration information of second community, measurement result is reported first community by UE, so that the first community updates the configuration information of the second community in itself neighbor cell configuration according to the measurement result, the UE carries out cell switching according to the configuration information of the second community after being updated in the neighbor cell configuration of the first community, wherein, the first community is the resident cell of UE originals, and the second community is the Target cell that the UE switches.
Description
Technical field：
The present invention relates to wireless communication technology, more particularly to Long Term Evolution (LTE, Long Term
Evolution) in system a kind of cell switching method and device, community configured information update method with
Device.
Background technology：
In LTE system, serving cell is what user equipment (UE, User Equipment) was resident
Cell, adjacent area be with serving cell covered with overlapping and be provided with other cells of handoff relation, adjacent area
Configuration information can typically be preserved in the serving cells in advance.When UE needs to be switched to adjacent area from serving cell
When, serving cell can initiate switching flow for UE, and switching flow needs the configuration information based on adjacent area.So
And, the configuration information of adjacent area may have occurred that change when switching and occurring, if serving cell can not and
The configuration information of Shi Gengxin adjacent areas, can cause UE to the neighbour due to the neighbor cell configuration information using mistake
The handoff failure in area.
The content of the invention：
In order to solve the above technical problems, the embodiment of the present invention is expected to provide the method and dress of a kind of cell switching
Put and community configured information update method and apparatus.
The embodiments of the invention provide a kind of cell switching method, methods described includes：
User equipment (UE) measures the configuration information of second community；
Measurement result is reported first community by the UE, so that the first community is tied according to the measurement
Fruit updates the configuration information of the second community in itself neighbor cell configuration；
The UE is according to the configuration of the second community after being updated in the neighbor cell configuration of the first community
Information carries out cell switching；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
In the embodiment of the present invention, before the configuration information of the UE measurements second community, in addition to：
The UE switches to the second community failure from the first community；
Also, the UE once succeeded switches to the second community from the first community.
In the embodiment of the present invention, the UE switches to second community failure from the first community, including：
When the continuous number of times in handoff preparation phase handoff failure of the UE reaches threshold value, it is determined as described
UE switches to the second community failure from the first community.
In the embodiment of the present invention, the handover success record preserved according to the first community judges the UE
Once succeeded and switch to the second community from the first community.
In the embodiment of the present invention, the degrees of tolerance that handoff failure occurs according to system for the threshold value is set.
In the embodiment of the present invention, the configuration information of the second community includes Cell Global Identity ECGI
(E-UTRAN Cell Global Identifier).
The embodiment of the present invention additionally provides a kind of method that community configured information updates, and methods described includes：
First community issues the measuring command to the configuration information of second community to user equipment (UE)；
The first community receives the measurement result that the UE is reported；
The first community updates the second community preserved in its neighbor cell configuration according to the measurement result
Configuration information；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
In the embodiment of the present invention, the first community preservation UE switches to described from the first community
The handover success record of second community.
In the embodiment of the present invention, when the first community is confirmed because the configuration information of the second community changes
When becoming and causing handoff failure, the first community is issued to the UE matches somebody with somebody confidence to the second community
Cease the measuring command measured.
The embodiment of the present invention additionally provides a kind of device of cell switching, positioned at user equipment (UE) side,
Described device includes：
Measurement module, the configuration information for measuring second community；
Reporting module, first community is reported for the measurement result obtained by the measurement module is measured,
So that the first community updates the second community in itself neighbor cell configuration according to the measurement result
Configuration information；
Handover module, for the second community after renewal in the neighbor cell configuration according to the first community
Configuration information carry out cell switching；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
In the embodiment of the present invention, described device also includes：
Judging module, for reaching thresholding when the continuous number of times in handoff preparation phase handoff failure of the UE
Value, and the UE once successful switch to the second community when, judgement is due to the second community
Handoff failure caused by configuration information changes.
The embodiment of the present invention additionally provides the device that a kind of community configured information updates, positioned at first community,
Described device includes：
Sending module, for issuing the measuring command to the configuration information of second community to user equipment (UE)；
Receiving module, for receiving the measurement result that the UE is reported；
Update module, for updating what is preserved in the first community neighbor cell configuration according to the measurement result
The configuration information of the second community；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
In the embodiment of the present invention, described device also includes：
Preserving module, preserves the UE from the first community for the first community and switches to described the
The handover success record of two cells.
Brief description of the drawings：
Fig. 1 is that neighboring BS information change causes the schematic flow sheet of cell handoff failure；
Fig. 2 is the schematic flow sheet of cell switching method provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of community configured information update method provided in an embodiment of the present invention；
Fig. 4 is that the neighboring BS information that another embodiment of the present invention is provided updates schematic flow sheet；
Fig. 5 is the flow signal that the UE of the embodiment of the present invention one is switched to LTE adjacent areas from LTE serving cells
Figure；
Fig. 6 is that the UE of the embodiment of the present invention two is switched to GSM EDGE wireless access from LTE serving cells
Net the schematic flow sheet of GERAN (GSM EDGE Radio Access Network) adjacent area；
Fig. 7 is that the UE of the embodiment of the present invention three is switched to universal land radio access web from LTE serving cells
The schematic flow sheet of UTRAN (Universal Terrestrial Radio Access Network) adjacent area；
Fig. 8 is the structure composition schematic diagram of cell switching device provided in an embodiment of the present invention；
Fig. 9 is the structure composition schematic diagram of community configured information updating device provided in an embodiment of the present invention.
Embodiment：
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, with reference to attached
Realization of the figure to the embodiment of the present invention is described in detail, appended accompanying drawing purposes of discussion only for reference, not
For limiting the embodiment of the present invention.
Fig. 1 is that neighboring BS information change causes the schematic flow sheet of cell handoff failure, as shown in figure 1, originally showing
There is no the situation that X2 is linked or X2 links disconnect, tool between eNB of the scene where each cell in example
Body, the flow includes：
Step 101：UE is switched to second community from first community, switches successfully for the first time；
In this step, eNBA and eNBB adjoinings, and between the two without X2 links or X2 links
Disconnect, having under eNBA has second community under first community, eNBB, first community adds second community
For adjacent area, the configuration information of second community is preserved in neighbor cell configuration, first community is resident small of UE originals
Area, when first community is that UE initiates switching flow, first community uses the preserved in its neighbor cell configuration
The configuration information of two cells so that cell is switched successfully, first community, which is preserved, switches successfully record.
Step 102：The configuration information of second community changes；
Step 103：When UE under first community initiates to switch to second community again, handoff failure.
In this step, because the configuration information of second community changes, it is impossible to directly notify first community, the
When one cell initiates switching flow for UE again, still using preserving in the neighbor cell configuration of first community
The configuration information of old second community, thus can cause UE due to the configuration information mistake of second community
Handoff failure.
The problem of for scene above, the present invention proposes solution below, below in conjunction with the accompanying drawings to scheme
It is described.Fig. 2 is the schematic flow sheet of cell switching method provided in an embodiment of the present invention, such as Fig. 2
Shown, this method includes：
Step 201：User equipment (UE) measures the configuration information of second community；
Step 202：Measurement result is reported first community by UE, so that first community is according to measurement result
Update the configuration information of the second community in itself neighbor cell configuration；
Step 203：UE is according to the configuration information of the second community after being updated in the neighbor cell configuration of first community
Carry out cell switching；
Wherein, first community is the resident cell of UE originals, and second community is the Target cell that UE switches.
Fig. 3 is the schematic flow sheet of community configured information update method provided in an embodiment of the present invention, Fig. 3
Shown, this method includes：
Step 301：First community issues the life of the measurement to the configuration information of second community to user equipment (UE)
Order；
Step 302：First community receives the measurement result that UE is reported；
Step 303：First community updates matching somebody with somebody for the second community that is preserved in its neighbor cell configuration according to measurement result
Confidence ceases；
Wherein, first community is the resident cell of UE originals, and second community is the Target cell that UE switches.
Fig. 4 is that the neighboring BS information of another embodiment of the present invention updates schematic flow sheet, as shown in figure 4, institute
Stating flow includes：
Step 401：UE is switched to second community from first community, switches successfully for the first time；
In this step, eNBA and eNBB adjoinings, and between the two without X2 links or X2 links
Disconnect, having under eNBA has second community under first community, eNBB, first community adds second community
For adjacent area, the configuration information of second community is preserved in neighbor cell configuration, first community is resident small of UE originals
Area, when first community is that UE initiates switching flow, first community uses the preserved in its neighbor cell configuration
The configuration information of two cells so that adjacent area is switched successfully, first community, which is preserved, switches successfully record.
Step 402：The configuration information of second community changes；
Step 403：When UE under first community initiates to switch to second community again, handoff failure.
In this step, when the continuous number of times in handoff preparation phase handoff failure of UE reaches threshold value, then may be used
Changed with the configuration information that judgement is due to second community, wherein, threshold value is in first community
Set, set as the eNBA belonging to first community on webmaster, the size of threshold value depends on system pair
The degrees of tolerance that handoff failure occurs, when degrees of tolerance is big, threshold value can set higher, work as tolerance
Degree hour, threshold value then will set relatively low.
Step 404：First community issues the Cell Global Identity ECGI (E-UTRAN of second community to UE
Cell Global Identifier) measurement；
Step 405：UE measures the ECGI information of second community, obtains the ECGI information of second community；
Step 406：ECGI measurement results are reported first community by UE；
Step 407：First community is received after the measurement result that UE is reported, and second is small in renewal neighbor cell configuration
The configuration information in area；
Step 408：UE initiates the switching from first community to second community again, switches successfully.
The embodiment of the present invention is described further below in conjunction with concrete application scene, it will be appreciated that herein
Described embodiment is merely to illustrate and explain the present invention, and is not intended to limit the present invention.Do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one
Fig. 5 is the schematic flow sheet that UE is switched to LTE adjacent areas from LTE serving cells, wherein LTE
Serving cell is the cell that UE was resident originally, and LTE adjacent areas are the Target cell that UE is switched over, switching
Flow is as shown in Figure 4：
Step 501：LTE neighboring BS information changes；
Step 502：Switching continuous several times of the UE from LTE serving cells to LTE adjacent areas prepare in switching
Stage fails；
Step 503：LTE serving cells are counted to handoff failure, until handoff failure number of times reaches door
Limit value.Wherein, threshold value size is determined by the handoff failure tolerance number of times of LTE serving cells；
Step 504：When handoff failure number of times reaches threshold value, LTE serving cells are according to wherein preserving
Record is switched successfully, judges that UE once succeeded and is switched to LTE adjacent areas from LTE serving cells；
Step 505：LTE serving cells issue the ECGI measurements of the LTE adjacent areas to UE；
Step 506：LTE serving cells are received after the ECGI measurement results that UE is reported, and are tied according to measurement
The configuration information of the LTE adjacent areas preserved in fruit more its neighbor cell configuration information；
Step 507：UE is switched successfully from LTE serving cells to LTE adjacent areas.
Embodiment two
Fig. 6 is the schematic flow sheet that UE is switched to GERAN adjacent areas from LTE serving cells, wherein LTE
Serving cell is the cell that UE was resident originally, and GERAN adjacent areas are the Target cell that UE is switched over,
Switching flow is as shown in Figure 6：
Step 601：LTE neighboring BS information changes；
Step 602：Switching continuous several times of the UE from LTE serving cells to GERAN adjacent areas are accurate in switching
Standby stage failure；
Step 603：LTE serving cells are counted to handoff failure, until handoff failure number of times reaches door
Limit value.Wherein, threshold value size is determined by the handoff failure tolerance number of times of LTE serving cells；
Step 604：When handoff failure number of times reaches threshold value, LTE serving cells are according to wherein preserving
Record is switched successfully, judges that UE once succeeded and is switched to GERAN adjacent areas from LTE serving cells；
Step 605：LTE serving cells issue the ECGI measurements of the GERAN adjacent areas to UE；
Step 606：LTE serving cells are received after the ECGI measurement results that UE is reported, and are tied according to measurement
The configuration information of the GERAN adjacent areas preserved in fruit more its neighbor cell configuration information；
Step 607：UE is switched successfully from LTE serving cells to GERAN adjacent areas.
Embodiment three
Fig. 7 is the schematic flow sheet that UE is switched to UTRAN adjacent areas from LTE serving cells, wherein LTE
Serving cell is the cell that UE was resident originally, and UTRAN adjacent areas are the Target cell that UE is switched over,
Switching flow is as shown in Figure 7：
Step 701：LTE neighboring BS information changes；
Step 702：Switching continuous several times of the UE from LTE serving cells to GERAN adjacent areas are accurate in switching
Standby stage failure；
Step 703：LTE serving cells are counted to handoff failure, until handoff failure number of times reaches door
Limit value.Wherein, threshold value size is determined by the handoff failure tolerance number of times of LTE serving cells；
Step 704：When handoff failure number of times reaches threshold value, LTE serving cells are according to wherein preserving
Record is switched successfully, judges that UE once succeeded and is switched to UTRAN adjacent areas from LTE serving cells；
Step 705：LTE serving cells issue the ECGI measurements of the UTRAN adjacent areas to UE；
Step 706：LTE serving cells are received after the ECGI measurement results that UE is reported, and are tied according to measurement
The configuration information of the UTRAN adjacent areas preserved in fruit more its neighbor cell configuration information；
Step 707：UE is switched successfully from LTE serving cells to UTRAN adjacent areas.
Fig. 8 is the structure composition schematic diagram of cell switching device provided in an embodiment of the present invention, such as Fig. 8 institutes
Show, described device includes：
Measurement module 81, the configuration information of second community is measured for UE；
Reporting module 82, the first community is reported for the UE by measurement result；
Institute after being updated in handover module 83, the neighbor cell configuration for the UE according to the first community
The configuration information for stating second community carries out cell switching；
The cell switching device of the embodiment of the present invention also include judging module 84, for when the UE it is continuous
When the number of times of handoff preparation phase handoff failure reaches threshold value, judge the second community matches somebody with somebody confidence
Breath changes.
Fig. 9 is the structure composition schematic diagram of community configured information updating device provided in an embodiment of the present invention,
As shown in figure 9, described device includes：
Sending module 91, the survey of the configuration information to the second community is issued for first community to UE
Amount order；
Receiving module 92, the measurement result that the UE is reported is received for the first community；
Update module 93, updates in its neighbor cell configuration according to the measurement result for the first community and protects
The configuration information for the second community deposited；
The community configured information updating device of the embodiment of the present invention also includes preserving module 94, for described the
One cell preserves the handover success record that the UE switches to the second community from the first community.
It will be appreciated by those skilled in the art that each module in device shown in Fig. 8 realizes that function can join
Understand according to the associated description of foregoing cell switching method.The function of each module in device shown in Fig. 8
It can be realized, can also be realized by specific logic circuit by running on the program on processor.Fig. 9
Each module in shown device realizes that function can refer to the correlation of foregoing community configured information update method
Describe and understand.The function of each module in device shown in Fig. 9 can be by running on the journey on processor
Sequence and realize, can also be realized by specific logic circuit.
, can any group in the case where not conflicting between technical scheme described in the embodiment of the present invention
Close.
In several embodiments provided by the present invention, it should be understood that disclosed method and intelligence is set
It is standby, it can realize by another way.Apparatus embodiments described above be only it is schematical,
For example, the division of the unit, only a kind of division of logic function, can have in addition when actually realizing
Dividing mode, such as：Multiple units or component can be combined, or be desirably integrated into another system, or
Some features can be ignored, or not perform.In addition, shown or discussed each part is each other
Coupling or direct-coupling or communication connection can be by some interfaces, equipment or unit it is indirect
Coupling is communicated to connect, and can be electrical, machinery or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, make
It can be for the part that unit is shown or may not be physical location, you can with positioned at a place,
It can also be distributed on multiple NEs；It can select therein part or all of according to the actual needs
Unit realizes the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a second processing
, can also two or more lists in unit or each unit is individually as a unit
Member is integrated in a unit；Above-mentioned integrated unit can both be realized in the form of hardware, can also
Realized in the form of hardware plus SFU software functional unit.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
In this, any one skilled in the art the invention discloses technical scope in, can be easily
Expect change or replacement, should all be included within the scope of the present invention.
Claims (13)
1. a kind of method of cell switching, it is characterised in that methods described includes：
User equipment (UE) measures the configuration information of second community；
Measurement result is reported first community by the UE, so that the first community is according to the measurement
As a result the configuration information of the second community in itself neighbor cell configuration is updated；
The UE is according to the configuration of the second community after being updated in the neighbor cell configuration of the first community
Information carries out cell switching；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
2. according to the method described in claim 1, it is characterised in that the UE measurements second community
Before configuration information, in addition to：
The UE switches to the second community failure from the first community；
Also, the UE once succeeded switches to the second community from the first community.
3. method according to claim 2, it is characterised in that the UE is from the first community
Second community failure is switched to, including：
When the continuous number of times in handoff preparation phase handoff failure of the UE reaches threshold value, it is determined as institute
State UE and switch to the second community failure from the first community.
4. method according to claim 2, it is characterised in that preserved according to the first community
Handover success record judges that the UE once succeeds and switches to the second community from the first community.
5. method according to claim 3, it is characterised in that the threshold value is according to system to cutting
The degrees of tolerance unsuccessfully occurred is changed to set.
6. the method according to claim any one of 1-5, it is characterised in that the second community
Configuration information includes Cell Global Identity ECGI.
7. a kind of method that community configured information updates, it is characterised in that methods described includes：
First community issues the measuring command to the configuration information of second community to user equipment (UE)；
The first community receives the measurement result that the UE is reported；
The first community updates the second community preserved in its neighbor cell configuration according to the measurement result
Configuration information；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
8. method according to claim 7, it is characterised in that the first community preserves described
UE switches to the handover success record of the second community from the first community.
9. method according to claim 7, it is characterised in that when the first community confirm due to
When the configuration information of the second community changes and causes handoff failure, the first community is to the UE
Issue the measuring command measured to the configuration information of the second community.
10. a kind of device of cell switching, it is characterised in that positioned at user equipment (UE) side, the dress
Put including：
Measurement module, the configuration information for measuring second community；
Reporting module, first community is reported for the measurement result obtained by the measurement module is measured,
So that the first community updates the second community in itself neighbor cell configuration according to the measurement result
Configuration information；
Handover module, for the second community after renewal in the neighbor cell configuration according to the first community
Configuration information carry out cell switching；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
11. according to the device in claim 10, it is characterised in that described device also includes：
Judging module, for reaching door when the continuous number of times in handoff preparation phase handoff failure of the UE
Limit value, and the UE once successful switch to the second community when, judgement is due to described second small
Handoff failure caused by the configuration information in area changes.
12. the device that a kind of community configured information updates, it is characterised in that described positioned at first community
Device includes：
Sending module, for issuing the measuring command to the configuration information of second community to user equipment (UE)；
Receiving module, for receiving the measurement result that the UE is reported；
Update module, for updating what is preserved in the first community neighbor cell configuration according to the measurement result
The configuration information of the second community；
Wherein, the first community is the resident cell of UE originals, and the second community is the UE
The Target cell of switching.
13. device according to claim 12, it is characterised in that described device also includes：
Preserving module, is switched to described for the first community preservation UE from the first community
The handover success record of second community.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223876.1A CN107295584A (en) | 2016-04-11 | 2016-04-11 | The method and apparatus that method and apparatus, the community configured information of cell switching update |
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| CN201610223876.1A CN107295584A (en) | 2016-04-11 | 2016-04-11 | The method and apparatus that method and apparatus, the community configured information of cell switching update |
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Cited By (1)
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| CN113692001A (en) * | 2021-08-26 | 2021-11-23 | 中信科移动通信技术股份有限公司 | Cell residence selection method and system |
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| CN102833804A (en) * | 2011-06-13 | 2012-12-19 | 中兴通讯股份有限公司 | Mobile terminal and method and system for implementing handover of same |
| CN103392355A (en) * | 2012-12-27 | 2013-11-13 | 华为技术有限公司 | Scrambling code conflict determination method and determination apparatus |
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| CN101052205A (en) * | 2006-04-04 | 2007-10-10 | 中兴通讯股份有限公司 | User's terminal switch control method in mobile communication system |
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| CN113692001A (en) * | 2021-08-26 | 2021-11-23 | 中信科移动通信技术股份有限公司 | Cell residence selection method and system |
| CN113692001B (en) * | 2021-08-26 | 2024-02-02 | 中信科移动通信技术股份有限公司 | Cell residence selection method and system |
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