CN101552954B - Control method of user terminal to access into closed user group cell under connection status - Google Patents
Control method of user terminal to access into closed user group cell under connection status Download PDFInfo
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- CN101552954B CN101552954B CN2008100902397A CN200810090239A CN101552954B CN 101552954 B CN101552954 B CN 101552954B CN 2008100902397 A CN2008100902397 A CN 2008100902397A CN 200810090239 A CN200810090239 A CN 200810090239A CN 101552954 B CN101552954 B CN 101552954B
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Abstract
The invention discloses a control method of a user terminal to access into a closed user group cell under connection status, which comprises the following steps: when the user terminal determines thata cell to be accessed is the closed user group cell, tracking regional address is read from neighboring broadcast messages, and the tracking regional address is compared with a white list of the clos ed user group cell, if the tracking regional address is in the white list of the closed user group cell, the user terminal is accessed into the closed user group cell, or else rejects the access. The method can realize that the user terminal is accessed into the closed user group cell under the connection status.
Description
Technical field
The present invention relates to the method that the sub-district is inserted in the field of wireless communication; Particularly at LTE (Long TermEvolution; Long Term Evolution) in the system, UE under a kind of connection status (user terminal) inserts the control method of CSG (Closed Subscriber Group, closed user group) sub-district.
Background technology
Cellular radio communication system mainly is made up of terminal, base station and core net.The network that the base station is formed is called RAN (Radio Access Network, wireless access network), is responsible for the Access Layer affairs, such as the management of Radio Resource.Can there be physics or connection in logic according to actual conditions between the base station.As shown in Figure 1, base station 1 and base station 2 or base station 3, each base station can (Core Network CN) connects with one or more than one core net node.Core net is responsible for the Non-Access Stratum affairs, such as position renewal etc., and is the anchor point of user plane.The terminal be meant can with the various device of cellular radio communication network service, such as mobile phone or notebook computer etc.
If an operator is in the indoor sub-district that disposes the LTE connecting system of family; Insert of the influence of these indoor cell in order to prevent owing to cross the multi-user to the QOS of system (service quality); The UE that so just needs restriction only to belong to particular demographic can be linked into this sub-district; This sub-district that allows certain customers to insert is referred to as the CSG sub-district.And for this CSG sub-district, what its charging maybe be than macrocell is cheap.
A CSG zone is represented with a TA (tracking area, tracing area) ID.CSG zone has comprised or one group of sub-district that the user that can only allow to belong to particular group inserts.A CSG zone possibly be made up of the single subdistrict that family uses, and also possibly be made up of a plurality of sub-districts in the campus.A sub-district can only belong to certain TA or CSG, and TA can not overlap each other, and CSG can not overlap each other.TA ID is through TAC (Tracking Area Code, Tracking Area Code) and PLMN (public land mobile network, public land mobile communication network) ID sign, when network is shared, and TAC of Cell Broadcast CB and a plurality of PLMN ID.(different operators uses same Access Network, and as in order to reduce investment outlay, China Telecom and China Mobile use same set of Access Network, and there are two PLMN ID that sub-district, has only a TAC.Which PLMN ID UE specifically uses, according to its SIM decision).Whether eNB (evolved Node-B, base station) is the CSG sub-district at the broadcast cell of eating dishes without rice or wine.
Preserve the whitelist (white list) that allows to insert the CSG sub-district in the UE, this whitelist is made up of the TA ID set in the CSG zone that UE can insert.Have only the TA ID that includes certain CSG sub-district as the TA ID whitelist of UE, UE could allow to be linked into this CSG sub-district.
When UE is in RRC_IDLE (wireless network control idle) state, its CSG cell mobility control is based on UE's.UE judges with the system message of certain CSG sub-district of reading whether certain CSG sub-district is suitable resident according to the CSG whitelist that preserves.Have only when this CSG sub-district belongs to its whitelist, just allow UE cell selecting/gravity treatment to this CSG sub-district.Because UE is in wireless network control idle condition (abbreviation idle condition), so in general UE always can read the system message of adjacent cell; And when UE is in RRC_CONNECTED (wireless network control connection) state, how to carry out also not definition of CSG sub-district access control.
Summary of the invention
The technical problem that the present invention will solve provides a kind of control method of user terminal to access into closed user group cell under connection status, can realize that under connection status user terminal carries out the access of closed user group cell.
In order to address the above problem, the invention provides a kind of control method of connection mode user terminal to access into closed user group cell under, may further comprise the steps:
After user terminal confirms that sub-district to be accessed is closed user group cell; From neighboring broadcast messages, read the tracing area address; And this tracing area address and closed user group cell white list made comparisons; If this tracing area address is in said closed user group cell white list, then user terminal inserts this closed user group cell, otherwise admission reject.
Further, said user terminal adopts one of following dual mode to confirm that sub-district to be accessed is a closed user group cell:
User terminal confirms that through Cell searching sub-district to be accessed is a closed user group cell; Or
User terminal sends the measurement report of the physical address that carries sub-district to be accessed to the base station; If said base station confirms that according to said physical address this sub-district to be accessed is a closed user group cell, then send radio resource control layer message to user terminal, informing user terminal reads the tracing area address of sub-district.
Further, said base station is a measurement configuration message to the radio resource control layer message that said user terminal sends.
Further, said user terminal carries said physical address or global cell identity when measurement report is sent in said base station.
Further, after said user terminal confirms that through Cell searching sub-district to be accessed is closed user group cell, send the measurement report of the physical address that carries said sub-district to be accessed to said base station.
Further, said user terminal obtains said closed user group cell white list through the Non-Access Stratum signaling process from mobile management unit.
Further; The tracing area address of the said sub-district to be accessed that said user terminal will read and said closed user group cell white list are made comparisons; If the tracing area address of said sub-district to be accessed is in said closed user group cell white list, then said user terminal reports the tracing area address of said sub-district to be accessed to said base station through up signaling.
Further; When between the frequency that said sub-district to be accessed is a Serving cell during adjacent cell; Said user terminal is when reading the tracing area address of said closed user group cell to be accessed, to scheduling interval that reads the tracing area address time of said base station requests.
Further,, then when admission reject, send radio resource control layer message, request cancellation scheduling interval to the base station if said user terminal has been asked scheduling interval when reading said tracing area address.
Beneficial effect of the present invention:
Through method provided by the present invention, can move to the UE of CSG sub-district to being under the wireless network control connection status, carry out access control based on UE.
Description of drawings
Fig. 1 connects sketch map for cellular radio Communication system;
Fig. 2 is the flow chart of the method for the invention;
Fig. 3 is the method for the invention Embodiment C SG subzone network topological diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the method for the invention is further specified.
As shown in Figure 2, UE inserts the control method of CSG sub-district under a kind of connection status of the present invention, comprises the steps:
Step S101:UE through Non-Access Stratum (Non Access Stratum, NAS) (Mobility Management Entity MME) locates to obtain a CSGwhitelist to signaling process from mobile management unit;
When step S102:UE measures a possible CSG sub-district, send measurement report to base station (eNB), this measurement report carries the physical address (PHY ID) of this sub-district;
UE also can use GCID (global cell identity) when measurement report is sent in the base station in this measurement report, because PHY ID is shorter than GCID, generally use PHY ID.
PHY ID in the measurement report that step S103:eNB reports according to UE is if confirm that this sub-district is the CSG sub-district, then through letting UE from neighboring broadcast messages, read the TA ID of CSG sub-district to UE transmission radio resource control layer message (measurement configuration message);
UE also can confirm whether this sub-district is the CSG sub-district through the mode of Cell searching, when learning that this sub-district is the CSG sub-district, sends measurement report to the base station, carries the physical address of this sub-district, and purpose is enough good to the signal of this sub-district of report, base station; UE will read TA ID from neighboring broadcast messages then, and itself and white list are made comparisons.
Step S104:UE reads the TA ID of this CSG sub-district from neighboring broadcast messages after; The TA ID and the CSG whitelist of the CSG sub-district of reading are compared; Like the TA ID of CSG sub-district in this CSG whitelist; Then UE reports eNB through up signaling with the TA ID of CSG sub-district, and eNB switches to this CSG sub-district with UE; Otherwise UE notice eNB returns to normal measurement configuration;
Said normal measurement configuration is exactly an admission reject; Because in order to let UE read TA ID, the said base station of step S103 lets it have the long time to read TA ID for RRC of UE (Radio Resource control) layer message (possibly be measurement configuration message), but this time; Because the time decreased of service dispatching; To normal service rate is influential, and in the access failure of CSG sub-district, UE should return to normal Measuring Time length by informing base station; So just do not influenced normal service dispatching, otherwise the base station can use always low rate to send data to UE.
That is to say that UE only after having carried out cell measurement and having known that this sub-district is the CSG sub-district, just begins to read the TA ID of this CSG sub-district.
The CSG sub-district can be an adjacent cells between the frequency of Serving cell or frequently, if the CSG sub-district is an adjacent cell between the frequency of Serving cell, UE is when reading the TA ID of CSG sub-district, to scheduling interval that reads the tracing area address time of said base station requests so.
If said user terminal has been asked scheduling interval when reading said tracing area address, then when admission reject, send radio resource control layer message, request cancellation scheduling interval to the base station.
Below in conjunction with instantiation the inventive method is described.
Instance 1:
With reference to accompanying drawing 3, UE initiates new calling or switches to get into macrocell at macrocell, through the NAS signaling process, has obtained the CSG whitelist{TA ID=5 of UE, TA ID=6}.Wherein, 6 CSG Microcells are arranged in this macrocell, TA ID and PHY ID are as shown in Figure 3.
UE gets into the coverage of CSG Cell#3, and when CSG Cell#3 signal satisfied measurement requirement, UE measured the sub-district of this CSG Cell#3, sends measurement report to eNB, carries the PHY ID=34 of CSG sub-district.
ENB knows that according to the PHY ID=34 that reports the to be switched sub-district of UE is the CSG sub-district; Therefore send measurement configuration message to UE; Let UE from neighboring broadcast messages, read the TA ID of this CSG sub-district, and confirm according to TA ID whether CSG Cell#3 sub-district allows to insert.
UE will read CSG whitelist{TA ID=5 in TA ID=9 and the white list, and TA ID=6} makes comparisons, because TA ID=9 is in CSG whitelist, UE judges that this sub-district does not allow to insert, and therefore notifies eNB to return to normal measurement configuration.
Instance 2:
UE initiates new calling or switches to get into macrocell at macrocell, through the NAS signaling process, has obtained the CSG whitelist{TA ID=5 of UE, TA ID=6}.Wherein, 6 CSG Microcells are arranged in this macrocell, TA ID and PHY ID are as shown in Figure 3.
UE gets into the coverage of CSG Cell#1, and when CSG Cell#1 signal satisfied measurement requirement, UE measured the sub-district of this CSG Cell#1, sends measurement report to eNB, carries the PHY ID=34 of CSG sub-district.
ENB knows that according to the PHY ID=34 that reports the to be switched sub-district of UE is the CSG sub-district; Therefore send measurement configuration message to UE; Let UE from neighboring broadcast messages, read the TA ID of this CSG sub-district, and confirm according to TA ID whether CSG Cell#3 sub-district allows to insert.
UE will read CSG whitelist{TA ID=5 in TA ID=5 and the white list; TA ID=6} makes comparisons, because the scope of TA ID=5 in CSG whitelist, UE judges that this sub-district allows to insert; Therefore report the TA ID=5 of CSG sub-district to eNB; ENB confirms it is CSGCell#1 according to TA ID=5, and UE is switched to CSG Cell#1.
Though execution mode provided by the present invention as above, described content is not in order to direct qualification scope of patent protection of the present invention.Have common knowledge the knowledgeable in the technical field under any the present invention, do not breaking away within spirit provided by the present invention and the scope, the change or the retouching of on the formal and details of implementing, doing all belong to scope of patent protection of the present invention.Therefore scope of patent protection of the present invention still must with this specification appending claims the person of being defined be as the criterion.
Claims (9)
1. the control method of a user terminal to access into closed user group cell under connection status; It is characterized in that: after user terminal confirms that sub-district to be accessed is closed user group cell; From neighboring broadcast messages, read the tracing area address, and made comparisons in this tracing area address and closed user group cell white list, if this tracing area address is in said closed user group cell white list; Then user terminal inserts this closed user group cell, otherwise admission reject.
2. the method for claim 1 is characterized in that, said user terminal adopts one of following dual mode to confirm that sub-district to be accessed is a closed user group cell:
User terminal confirms that through Cell searching sub-district to be accessed is a closed user group cell; Or
User terminal sends the measurement report of the physical address that carries sub-district to be accessed to the base station; If said base station confirms that according to said physical address this sub-district to be accessed is a closed user group cell, then send radio resource control layer message to user terminal, informing user terminal reads the tracing area address of sub-district.
3. method as claimed in claim 2 is characterized in that, said base station is a measurement configuration message to the radio resource control layer message that said user terminal sends.
4. method as claimed in claim 2 is characterized in that, said user terminal carries said physical address or global cell identity when measurement report is sent in said base station.
5. method as claimed in claim 2 is characterized in that, after said user terminal confirms that through Cell searching sub-district to be accessed is closed user group cell, sends the measurement report of the physical address that carries said sub-district to be accessed to said base station.
6. the method for claim 1 is characterized in that, said user terminal obtains said closed user group cell white list through the Non-Access Stratum signaling process from mobile management unit.
7. according to claim 1 or claim 2 method; It is characterized in that; The tracing area address of the said sub-district to be accessed that said user terminal will read and said closed user group cell white list are made comparisons; If the tracing area address of said sub-district to be accessed is in said closed user group cell white list, then said user terminal reports the tracing area address of said sub-district to be accessed to the base station through up signaling.
8. the method for claim 1; It is characterized in that; When between the frequency that said sub-district to be accessed is a Serving cell during adjacent cell; Said user terminal is when reading the tracing area address of said closed user group cell to be accessed, to scheduling interval that reads the tracing area address time of base station requests.
9. method as claimed in claim 8 is characterized in that, if said user terminal has been asked scheduling interval when reading said tracing area address, then when admission reject, sends radio resource control layer message to the base station, request cancellation scheduling interval.
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| CN2008100902397A CN101552954B (en) | 2008-03-31 | 2008-03-31 | Control method of user terminal to access into closed user group cell under connection status |
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| CN2008100902397A CN101552954B (en) | 2008-03-31 | 2008-03-31 | Control method of user terminal to access into closed user group cell under connection status |
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| CN101552954B true CN101552954B (en) | 2012-07-18 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9913206B2 (en) | 2008-03-21 | 2018-03-06 | Interdigital Patent Holdings, Inc. | Method and apparatus for searching for closed subscriber group cells |
| CN102045676B (en) * | 2009-10-15 | 2014-12-17 | 中兴通讯股份有限公司 | Method and system for accessing user equipment to home base station |
| WO2011085222A2 (en) | 2010-01-08 | 2011-07-14 | Interdigital Patent Holdings, Inc. | Method and apparatus for adding csg identities to a white list in connected mode |
| CN102244890B (en) * | 2010-05-11 | 2014-09-03 | 华为技术有限公司 | Method, device and system for sending measurement report |
| CN108574973B (en) * | 2017-03-08 | 2022-07-15 | 中兴通讯股份有限公司 | Access control method, device and system |
| CN110536483A (en) * | 2019-02-13 | 2019-12-03 | 中兴通讯股份有限公司 | Cell selection and communication control method, device, network element, terminal and storage medium |
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| CN1323500A (en) * | 1998-10-14 | 2001-11-21 | 奥本维夫技术公司 | Signaling system and method for network-based pre-paid wireless telephone service |
| WO2007040449A1 (en) * | 2005-10-04 | 2007-04-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Access control in radio access network having pico base stations |
| CN101083549A (en) * | 2006-06-02 | 2007-12-05 | 华为技术有限公司 | Method and system for realizing VPN configuration service |
Non-Patent Citations (2)
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| 3GPP TSGRAN.User Equipment (UE) procedures in idle mode and procedures for cell reselection in connected mode.《3GPP TS 25.304》.2009,(第8.6.0版),全文. * |
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