CN101835212B - Setting method of reselection priority of CSG (Closed Subscriber Group) cell and UE (User Equipment) - Google Patents
Setting method of reselection priority of CSG (Closed Subscriber Group) cell and UE (User Equipment) Download PDFInfo
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- CN101835212B CN101835212B CN200910079476A CN200910079476A CN101835212B CN 101835212 B CN101835212 B CN 101835212B CN 200910079476 A CN200910079476 A CN 200910079476A CN 200910079476 A CN200910079476 A CN 200910079476A CN 101835212 B CN101835212 B CN 101835212B
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- 230000008569 process Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
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Abstract
The invention provides a setting method of the reselection priority of a CSG (Closed Subscriber Group) cell. The method comprises the following steps of: judging whether in a specific scene or not by user equipment (UE); if the UE judges the specific scene is located in, further judging whether a current resident cell of the UE is a CGS cell or not; and if the current resident cell of the UE is judged to be the CGS cell, setting the reselection priority of the frequency point of the current resident CGS cell to be the highest by the UE. The invention solves the problem of how to set the reselection priority of the frequency point of the CGS cell by the UE and avoids the condition that unpredictable UE behaviors occur so as to ensure that the UE normally works.
Description
Technical field
The present invention relates to communication technical field, the method to set up and the UE of particularly a kind of CSG (Closed SubscriberGroup, closed contracted user's group) cell reselection priority.
Background technology
At the LTE of 3GPP (Long Term Evolution; Long Term Evolution) in; To be deployed with HeNB (Home Evolved NodeB in places such as family, office, campuses; Family's evolution base station), it is used to serve those user UE (UserEquipment, subscriber equipment) through the be everlasting life of above-mentioned place, work, study.HeNB institute cell covered adopts special name, i.e. CSG cell (CSG sub-district), and its macrocell with routine is distinguished mutually.Some users of a CSG sign operator; These users are allowed to visit this PLMN (Public Land-Mobile Network; Public land mobile network) one or more sub-districts (these sub-districts are exactly CSGCells, and the mode of operation of having implemented the CSG sub-district of restrict access is known as " unrestricted model ") with restrict access.
In present LTE system; The processing rule that is provided with a special scenes for cell reselection priority: the dedicated priority that has been configured some frequency as UE; But because cell selecting, UE has resided in a sub-district, but the special priority information of this place, sub-district frequency not; Then UE is made as the dedicated priority of current persistent district place frequency minimum, is lower than 8 kinds of priority that the LTE system can join.Yet should rule with the LTE system in to the gravity treatment priority of CSG sub-district that rule is set is different, if when therefore UE resides in a CSG sub-district, but not during general sub-district, the behavior of UE is uncertain, this will impact subsequent process.
The reason that causes UE to be in above-mentioned special scenes comprises:
Reason 1:UE passes in and out network blind area of coverage.
The situation of network blind area of coverage is meant that UE is originally in network coverage area; And some special priority information itself have been preserved; Get into network blind area of coverage then, when waiting until the deviated from network coverage hole, selected to have resided in a sub-district that does not have current area place frequency special priority information.
Reason 2: have relatively poor network configuration.
Relatively poor network configuration is meant that network discharges UE at dedicated signaling; When making it get into idle condition; Do not provide the special priority information that UE is about to resident place, sub-district frequency in the given dedicated signaling, but but provided the special priority information of other frequencies.
In the LTE system; Normal district reselecting (normal cell reselection) comprises co-frequency cell gravity treatment and the gravity treatment of different frequency/different technique district; These two kinds of district reselecting all comprise the process of measurement and district reselecting assessment; The signal quality of sub-district is mainly considered in the co-frequency cell gravity treatment, and the gravity treatment of different frequency/different technique district also will be considered the gravity treatment precedence information of place, sub-district frequency, and particular content can be with reference to 3GPP TS36.304 agreement.
The shortcoming that prior art exists is; When UE resides in a CSG sub-district; If be in above-mentioned special scenes, according to prior art UE this moment be unknown to the behavior of the precedence information setting of current area place frequency, therefore also can follow-up process be impacted; For example, UE resident, professional set up etc.
Summary of the invention
The object of the invention is intended to solve at least one of above-mentioned technological deficiency, particularly solves in the prior art when UE resides in a CSG sub-district, if be in special scenes, how to avoid taking place the unpredictalbe defective of UE behavior.
For achieving the above object, one aspect of the present invention proposes a kind of method to set up of CSG cell reselection priority, may further comprise the steps: user equipment (UE) judges whether to be in special scenes; Be in special scenes if said UE judges, then further judge whether the current resident sub-district of said UE is that closed contracted user organizes the CSG sub-district; If judging the current resident sub-district of said UE is said CSG sub-district, then said UE is made as the gravity treatment priority that current resident CSG sub-district belongs to frequency the highest.
As one embodiment of the present of invention, said UE the gravity treatment priority of place, current resident CSG sub-district frequency is made as the highest after, also comprise: said UE carries out normal district reselecting.
As one embodiment of the present of invention, the said special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes comprises that said UE preserves that is in.
The present invention also proposes a kind of UE, comprises that special scenes judge module, CSG sub-district judge module and gravity treatment priority are provided with module, and said special scenes judge module is used to judge whether to be in special scenes; Said CSG sub-district judge module is used for after said special scenes judge module judges to be in special scenes, judging further whether the current resident sub-district of said UE is the CSG sub-district; Said gravity treatment priority is provided with module, when being used in said CSG sub-district that judge module judges that current resident sub-district is said CSG sub-district, is made as the gravity treatment priority of current resident place, CSG sub-district frequency the highest.
As one embodiment of the present of invention, also comprise the district reselecting module, be used for said gravity treatment priority be provided with module the gravity treatment priority of place, current resident CSG sub-district frequency is made as the highest after, carry out normal district reselecting.
As one embodiment of the present of invention, said special scenes comprises the special priority information that does not comprise current UE persistent district place frequency in the special priority information that said UE preserves.
The present invention also proposes a kind of method to set up of CSG cell reselection priority, may further comprise the steps: UE judges whether to be in special scenes; Be in special scenes if said UE judges, then further judge whether the current resident sub-district of said UE is the CSG sub-district; If judging the current resident sub-district of said UE is said CSG sub-district, then said UE is made as the gravity treatment priority that current resident CSG sub-district belongs to frequency minimum.
As one embodiment of the present of invention, said UE the gravity treatment priority of place, current resident CSG sub-district frequency is made as minimum after, also comprise: said UE carries out normal district reselecting.
As one embodiment of the present of invention, the said special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes comprises that said UE preserves that is in.
The invention solves UE how the problem of the gravity treatment priority of place, CSG sub-district frequency is set, avoid occurring the unpredictalbe situation of UE behavior, thereby can make the UE operate as normal.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously with easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the method to set up flow chart of the CSG cell reselection priority of the embodiment of the invention one;
Fig. 2 is the structure chart of the UE of the embodiment of the invention one;
Fig. 3 is the method to set up flow chart of the CSG cell reselection priority of the embodiment of the invention two.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
The present invention mainly is the autonomous setting behavior to gravity treatment priority through UE, thereby avoids occurring the unpredictalbe situation of UE behavior, makes that UE can operate as normal.
As shown in Figure 1; Method to set up flow chart for the CSG cell reselection priority of the embodiment of the invention one; If UE is in special scenes in this embodiment, do not comprise the special priority information of current UE persistent district place frequency in the special priority information that promptly UE preserves.This moment, UE can be made as the gravity treatment priority of CSG sub-district place frequency the highlyest, was higher than 8 kinds of priority that the LTE system can join, and carried out normal district reselecting then.Detailed process sees following steps for details:
Step S101, UE judge whether to be in special scenes.The wherein above-mentioned special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes comprises that UE preserves that is in.
Step S102 is in special scenes if UE judges, does not comprise the special priority information of current UE persistent district place frequency in the special priority information that promptly UE preserves, and judges further then whether the current resident sub-district of UE is the CSG sub-district.
Step S103, if judge that the current resident sub-district of UE is the CSG sub-district, then the UE gravity treatment priority that will current resident CSG sub-district belongs to frequency is made as the highlyest, is higher than the governable 8 kinds of priority of LTE system.The gravity treatment priority that so current resident CSG sub-district is belonged to frequency is made as the highest benefit and is; Because current UE belongs to HeNB (family's evolution base station), therefore its gravity treatment priority is made as and the highlyest can also guarantees to greatest extent that this UE still can reside in this CSG sub-district after gravity treatment.
Step S104, UE carries out normal district reselecting.
For the said method to the embodiment of the invention one has clearer and complete understanding, below just by way of example the said method of the embodiment of the invention one is elaborated.
For example, the special scenes that causes for UE turnover network blind area of coverage.When UE originally in network coverage area, and itself preserved some and be used for the special priority information (like the special priority information of frequency f1 and f2) of district reselecting; This UE has got into network blind area of coverage afterwards; By the time during the deviated from network coverage hole, select to have resided in a CSG sub-district (for example, a CSG sub-district on the frequency f3) that does not have special priority information; Even the dedicated priority timer does not have overtime so; The gravity treatment priority that this UE also will belong to CSG subdistrict frequency point (f3) is made as the highest, is higher than 8 kinds of priority (priority that promptly is higher than f1 and f2) that the LTE system can join, and carries out normal district reselecting then.Wherein, the resident state of UE possibly be camped normally state or camped on anycell state.
Again for example, for the special scenes that exists relatively poor network configuration to cause.Network discharges UE at dedicated signaling, when making it get into idle condition, does not provide the gravity treatment precedence information that UE is about to resident place, sub-district frequency in the given dedicated signaling; But but provided the special priority information of other frequencies; For example, in the redirection information UE is redirected at frequency f1, the district reselecting special priority information of frequency f2, f3 is provided simultaneously; UE has resided in a CSG sub-district on the frequency f1 then; This UE is made as the gravity treatment priority of CSG sub-district place frequency (f1) the highest so, is higher than 8 kinds of priority (priority that promptly is higher than f2 and f3) that the LTE system can join, and carries out normal district reselecting then.Wherein, the resident state of UE possibly be camped normally state or camped on any cell state.
As shown in Figure 2, be the structure chart of the UE of the embodiment of the invention one, this UE200 comprises that special scenes judge module 210, CSG sub-district judge module 220 and gravity treatment priority are provided with module 230.Special scenes judge module 210 is used to judge whether to be in special scenes, and wherein special scenes comprises the special priority information that does not comprise current UE persistent district place frequency in the special priority information that UE preserves.CSG sub-district judge module 220 is used for after special scenes judge module 210 judges to be in special scenes, judging further whether the current resident sub-district of UE200 is the CSG sub-district.Gravity treatment priority is provided with module 230 and is used in the CSG sub-district judge module 220 and judges when current resident sub-district is the CSG sub-district, is made as the gravity treatment priority of current resident place, CSG sub-district frequency the highest.
As one embodiment of the present of invention, this UE200 also comprises district reselecting module 240, be used for gravity treatment priority be provided with module 230 the gravity treatment priority of place, current resident CSG sub-district frequency is made as the highest after, carry out normal district reselecting.
Need to prove; Though above embodiment one is made as the gravity treatment priority of place, current resident CSG sub-district frequency with UE and is up to example and describes; But this embodiment only is the preferred embodiment of the present invention; Also can the gravity treatment priority of place, current resident CSG sub-district frequency be made as minimumly according to same invention thought, can solve the problems of the prior art equally, of embodiment two.
As shown in Figure 3, the method to set up flow chart for the CSG cell reselection priority of the embodiment of the invention two may further comprise the steps:
Step S301, UE judge whether to be in special scenes.The wherein above-mentioned special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes comprises that UE preserves that is in.
Step S302 is in special scenes if UE judges, does not comprise the special priority information of current UE persistent district place frequency in the special priority information that promptly UE preserves, and judges further then whether the current resident sub-district of UE is the CSG sub-district.
Step S303, if judge that the current resident sub-district of UE is the CSG sub-district, then the UE gravity treatment priority that will current resident CSG sub-district belongs to frequency is made as minimumly, is lower than the governable 8 kinds of priority of LTE system.
Step S304, UE carries out normal district reselecting.
The invention solves UE how the problem of the gravity treatment priority of place, CSG sub-district frequency is set, avoid occurring the unpredictalbe situation of UE behavior, thereby can make the UE operate as normal.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present invention is accompanying claims and be equal to and limit to these embodiment.
Claims (6)
1. the method to set up of a CSG cell reselection priority is characterized in that, may further comprise the steps:
User equipment (UE) judges whether to be in special scenes;
Be in special scenes if said UE judges, then further judge whether the current resident sub-district of said UE is that closed contracted user organizes the CSG sub-district;
If judging the current resident sub-district of said UE is said CSG sub-district, the gravity treatment priority that then said UE belongs to frequency with current resident CSG sub-district is made as the highest,
Wherein, the said special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes is said UE preservation that is in.
2. the method to set up of CSG cell reselection priority as claimed in claim 1 is characterized in that, said UE the gravity treatment priority of place, current resident CSG sub-district frequency is made as the highest after, also comprise:
Said UE carries out the normal cell gravity treatment.
3. a UE is characterized in that, comprises that special scenes judge module, CSG sub-district judge module and gravity treatment priority are provided with module,
Said special scenes judge module is used to judge whether to be in special scenes;
Said CSG sub-district judge module is used for after said special scenes judge module judges to be in special scenes, judging further whether the current resident sub-district of said UE is the CSG sub-district;
Said gravity treatment priority is provided with module; When being used in said CSG sub-district that judge module judges that current resident sub-district is said CSG sub-district; The gravity treatment priority that current resident CSG sub-district is belonged to frequency is made as the highest; Wherein, said special scenes is the special priority information that does not comprise current UE persistent district place frequency in the said UE special priority information of preserving.
4. UE as claimed in claim 3 is characterized in that, also comprises the district reselecting module, be used for said gravity treatment priority be provided with module the gravity treatment priority of place, current resident CSG sub-district frequency is made as the highest after, carry out normal district reselecting.
5. the method to set up of a CSG cell reselection priority is characterized in that, may further comprise the steps:
UE judges whether to be in special scenes;
Be in special scenes if said UE judges, then further judge whether the current resident sub-district of said UE is the CSG sub-district;
If judging the current resident sub-district of said UE is said CSG sub-district, the gravity treatment priority that then said UE belongs to frequency with current resident CSG sub-district is made as minimum,
Wherein, the said special priority information that does not comprise current UE persistent district place frequency in the special priority information that special scenes is said UE preservation that is in.
6. the method to set up of CSG cell reselection priority as claimed in claim 5 is characterized in that, said UE the gravity treatment priority of place, current resident CSG sub-district frequency is made as minimum after, also comprise:
Said UE carries out normal district reselecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079476A CN101835212B (en) | 2009-03-12 | 2009-03-12 | Setting method of reselection priority of CSG (Closed Subscriber Group) cell and UE (User Equipment) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079476A CN101835212B (en) | 2009-03-12 | 2009-03-12 | Setting method of reselection priority of CSG (Closed Subscriber Group) cell and UE (User Equipment) |
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| CN101835212A CN101835212A (en) | 2010-09-15 |
| CN101835212B true CN101835212B (en) | 2012-09-05 |
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| CN200910079476A Active CN101835212B (en) | 2009-03-12 | 2009-03-12 | Setting method of reselection priority of CSG (Closed Subscriber Group) cell and UE (User Equipment) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238483B (en) * | 2011-07-08 | 2013-12-25 | 电信科学技术研究院 | Cell reselecting method and equipment |
| CN113438700B (en) * | 2021-06-29 | 2023-04-28 | 展讯半导体(南京)有限公司 | Redirection method, redirection device and electronic equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518367A (en) * | 2003-01-14 | 2004-08-04 | 华为技术有限公司 | Multi-band small range selection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518367A (en) * | 2003-01-14 | 2004-08-04 | 华为技术有限公司 | Multi-band small range selection method |
Non-Patent Citations (6)
| Title |
|---|
| 3gpp |
| 3gpp;Technical Specification Group Radio Access Network.Evolved Universal Terrestrial Radio Access (E-UTRA) User Equipment (UE) procedures in idle mode(Release 8).《3GPP TS 36.304 V8.4.0》.2008, * |
| Nokia Corporation, Nokia Siemens Networks.E-UTRA Introduction/Priority reselection method for inter-frequency and inter-RAT cells.《3GPP TSG-RAN-WG2 Meeting #63 R2-084693》.2008, * |
| Technical Specification Group Radio Access Network.Evolved Universal Terrestrial Radio Access (E-UTRA) |
| T-Mobile.Draft CR to 36.304 on correction to UE behaviour if dedicated cell reselection priority is assigned but frequency is not configured by system information.《3GPP TSG-RAN2 Meeting #65 R2-091814 》.2009, * |
| User Equipment (UE) procedures in idle mode(Release 8).《3GPP TS 36.304 V8.4.0》.2008, |
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