CN101754312B - Subdistrict selection method and device - Google Patents
Subdistrict selection method and device Download PDFInfo
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- CN101754312B CN101754312B CN2008102183660A CN200810218366A CN101754312B CN 101754312 B CN101754312 B CN 101754312B CN 2008102183660 A CN2008102183660 A CN 2008102183660A CN 200810218366 A CN200810218366 A CN 200810218366A CN 101754312 B CN101754312 B CN 101754312B
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Abstract
The embodiment of the invention discloses a subdistrict selection method, which comprises the following steps: determining that the signal quality of drift radio network controller DRNC subdistricts is better than the signal quality of the UE current connected subdistrict according to a measurement report sent by user equipment (UE); generating radio resource control connection release information, including marking information of subdistricts requiring UE connection; and sending the radio resource control connection release information to UE so that the UE can select the connection with the subdistrict represented by the marking information according to the marking information. The embodiment of the invention also discloses a subdistrict selection device. Compared with the prior art, the embodiment of the invention can accelerate the business recovery time, and can cause UE to search the most proper subdistrict for connection in time, so the time efficiency and the accuracy of the UE connected into the subdistrict are improved, and the probability of UE disconnection is reduced.
Description
Technical field
The present invention relates to field of wireless communication, relate in particular to a kind of method and apparatus of selecting the sub-district.
Background technology
In current up-to-date UU interface signaling protocol description; As UE (User Equipment; User terminal) receive that cause value is RRC CONNECTION RELEASE (release of the Radio Resource control connection) message of " Directed Signaling Connection re-establishment " after; Can carry out Cell searching, and then insert, understand deferred traffic recovery time like this.
If the UE cell update is to DRNC (Drift Radio Network Controller; Floating radio network controller) same coverage cell; There is not the IUR interface between this DRNC and the SRNC (Serving Radio Network Controller, service wireless network controller)
DRNC initiates DSCR (Directed Signaling Connection re-establishment, direct signaling connection reconstruction) flow process then.UE may select the heavy sub-district of load by error, increases the UE probability of call.
If there is the professional UE of HSPA (access of High Speed Packet Access high-speed packet) to move to the same coverage cell of DRNC; R99 is supported in one of them sub-district, and (Release 1999; Release 1999) business; HSPA (High-Speed Packet Access, high-speed packet inserts) business is supported in a sub-district.In carrying out the DSCR flow process, UE may select the R99 sub-district to insert by error, increases the UE probability of call.
If the UE of high-speed mobile enters into the DRNC floored community, one of them cell coverage area is little, and a cell coverage area is wide.In carrying out the DSCR flow process, UE may select the little sub-district of coverage to insert by error, carries out switching flow in the back in the flow process, increases the UE probability of call.
Summary of the invention
The problem that the embodiment of the invention solves is to provide a kind of method and apparatus of new selection sub-district.
A kind of method of selecting the sub-district of the embodiment of the invention comprises:
According to the measurement report that user terminal UE sends, confirm that floating radio network controller DRNC cell signal quality is superior to the cell signal quality of the current access of said UE;
Generate Radio Resource control connection release message, comprise the identification information that UE need insert the sub-district in the said Radio Resource control connection release message;
Send said Radio Resource control connection release message to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
The embodiment of the invention provides a kind of method of selecting the sub-district, comprising:
Send measurement report to service wireless network controller SRNC;
Receive the Radio Resource control connection release message that SRNC sends, said Radio Resource control connection release message comprises the identification information that UE need insert the sub-district;
Carry out Cell searching according to said identification information, judge whether to search the sub-district that needs access;
When searching the sub-district that needs access, directly initiate to set up process.
The embodiment of the invention provides a kind of device of selecting the sub-district, comprising:
Determination module is used for the measurement report according to user terminal UE transmission, confirms that DRNC cell signal quality is superior to the cell signal quality of the current access of said UE;
Generation module is used to generate Radio Resource control connection release message, comprises the identification information that UE need insert the sub-district in the said Radio Resource control connection release message;
Sending module is used for sending the said Radio Resource control connection release message that generation module obtains to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
The embodiment of the invention provides a kind of device of selecting the sub-district, comprising:
Sending module is used for sending measurement report to SRNC, and said report confirms that DRNC cell signal quality is superior to the SRNC cell signal quality of current access;
Receiver module is used to receive the Radio Resource control connection release message that SRNC sends, and said Radio Resource control connection release message comprises the identification information that UE need insert the sub-district;
Search module, the identification information that the said needs that are used for obtaining according to said receiver module insert the sub-district carries out Cell searching;
Initiation module is used for searching module searches the sub-district that the UE needs insert according to the identification information of said access sub-district after when said, initiates to set up process.
The advantage of the embodiment of the invention is to propose a kind of implementation method of selecting the sub-district, through in message, increasing cell, clearly tells the sub-district that UE need insert; Solve UE and in the search cell process, waste the unnecessary time, perhaps UE increases the problem of call drop probability because of inserting wrong sub-district; Thereby accelerate the business recovery time; Make UE in time search only sub-district and insert, improve time efficiency and accuracy rate that UE inserts the sub-district, reduce the UE probability of call.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of method sketch map of selecting the sub-district of the embodiment of the invention;
Fig. 2 is a kind of method sketch map of selecting the sub-district of the embodiment of the invention;
Fig. 3 is a kind of device sketch map of selecting the sub-district of the embodiment of the invention;
Fig. 4 is a kind of device sketch map of selecting the sub-district of the embodiment of the invention.
Embodiment
In order to make concrete technical scheme of the present invention, goal of the invention clearer, be described further below in conjunction with concrete execution mode and accompanying drawing.
The embodiment of the invention provides a kind of method of selecting the sub-district, and is as shown in Figure 1, comprising:
S101:, confirm that floating radio network controller DRNC cell signal quality is superior to the cell signal quality of the current access of said UE according to the measurement report that user terminal UE sends.
S102: generate Radio Resource control connection release message, comprise the identification information that UE need insert the sub-district in the said Radio Resource control connection release message.
If the UE district reselecting is to DRNC; Between DRNC discovery and SRNC, do not have under the situation of IUR interface; Perhaps under the situation that core net is not supported to move; Generate Radio Resource control connection release message, comprise the identification information that UE need insert the sub-district in the said Radio Resource control connection release message.
S103: send said Radio Resource control connection release message to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
It is RRC CONNECTION RELEASE (release of the Radio Resource control connection) message of " Directed Signaling Connectionre-establishment " that SRNC sends cause value to UE.Wherein comprise the cell that UE need insert the identification information of sub-district in this message, the identification information that this UE need insert the sub-district can be the scrambler that UE need insert the sub-district, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
Wherein, Said cell, information, message three's relation is: in Radio Resource control connection release message, increase cell; The content of cell is the identification information that UE need insert the sub-district, and this identification information can be that cell scrambling or other can be distinguished the identification information of this sub-district.
The advantage of the embodiment of the invention is through carrying the identification information that expression UE need insert the sub-district in the message of sending to UE, clearly telling the sub-district that UE need insert.Present embodiment can make UE in time search only sub-district and insert, and improves time efficiency and accuracy rate that UE inserts the sub-district, accelerates the business recovery time, thereby reduces the UE probability of call.
The embodiment of the invention also provides a kind of method of selecting the sub-district, comprising:
In RRC CONNECTION RELEASE (release of Radio Resource control connection) message, increase optional cell Primary scrambling code (main scrambler).The DSCR flow process is initiated in the RNC judgement; Clearly tell UE need insert the identification information of sub-district through RRCCONNECTION RELEASE message; This identification information can be that cell scrambling or other can be distinguished this cell information, thereby makes UE select the sub-district rapidly and accurately, initiates to set up process.If UE does not find this sub-district, then continue to search for optimal sub-district and insert according to original mode.
In RRC CONNECTION RELEASE message, comprise cell Primary scrambling code, the cell Information Element/Group name that asks for an interview in the table 2 is Primary scramblingcode; Type and reference is Integer (0..511), and this cell is newly-increased cell.
| Information Element/Group name | Need | Multi | Type?and reference | Semantics description | Versio n |
| Message?Type | MP | ? | Message Type | ? | ? |
| UE?information elements | ? | ? | ? | ? | ? |
| CHOICE?identity type | CV-CC CH | ? | ? | ? | REL-5 |
| ＞U-RNTI | ? | ? | U-RNTI 10.3.3.47 | ? | ? |
| ＞Group?identity | ? | 1to <maxU RNTIg roup> | ? | ? | REL-5 |
| ＞＞Group?release information | MP | ? | Group release informatio n 10.3.3.14o | ? | REL-5 |
| RRC?transaction identifier | MP | ? | RRC transactio n identifier 10.3.3.36 | ? | ? |
| Integrity?check info | CV-DC CH | ? | Integrity check?info 10.3.3.16 | Integrity check info is included if integrity protection is applied | ? |
| N308 | CH-Ce ll_DC H | ? | Integer(1. .8) | ? | ? |
| Release?cause | MP | ? | Release cause 10.3.3.32 | ? | ? |
| UE?Mobility?State Indicator | MD | ? | Enumerated (High-mobi lity Detected) | Absence of this IE implies that， according to [4] the UE shall consider itself being not in high-mobility state when entering in Idle | REL-7 |
| ? | ? | ? | ? | Mode，if applicable. | ? |
| Other?information elements | ? | ? | ? | ? | ? |
| Rplmn?information | OP | ? | Rplmn informatio n 10.3.8.15 | ? | ? |
| Redirection?info | OP | ? | Redirectio n?info 10.3.3.29 | ? | REL-6 |
| Primary scrambling?code | OP | ? | Integer(0. .511) | ? | ? |
Table 2
The advantage of present embodiment is: through being employed in the mode that increases cell in RRC CONNECTION RELEASE (release of the Radio Resource control connection) message; Clearly tell the sub-district that UE need insert; Very simple the realization quickening business recovery time; Make UE in time search only sub-district and insert, thereby improve time efficiency and the accuracy rate that UE inserts the sub-district, reduce the UE probability of call.
The embodiment of the invention also provides a kind of method of selecting the sub-district, and is as shown in Figure 2, comprising:
S201: send measurement report to service wireless network controller SRNC, this report confirms that DRNC cell signal quality is superior to the SRNC cell signal quality of current access.
S202: receive the Radio Resource control connection release message that SRNC sends, said Radio Resource control connection release message comprises the identification information that UE need insert the sub-district.
Receiving SRNC transmission cause value is RRC CONNECTION RELEASE (release of the Radio Resource control connection) message of " Directed Signaling Connectionre-establishment ".Wherein comprise the cell that UE need insert the identification information of sub-district in this message, the identification information that this UE need insert the sub-district can be the scrambler that UE need insert the sub-district.
S203: carry out Cell searching according to said identification information, judge whether to search the sub-district that needs access.
Search cell signal in the frequency of certain limit, scrambler scope.Wherein, frequency supports the scope of frequency to confirm that the scope of scrambler is 0 to 511 according to UE self.
S204: when finding the sub-district that needs access, initiate to set up process.
Scrambler through the sub-district that will insert of learning finds this sub-district, directly initiates to set up process, is meant that specifically UE initiates RRC reconstruction, Routing Area Update and RAB automatically and sets up process; So far, flow process finishes.
S205: when not finding this need insert the sub-district time, UE searches for optimal sub-district and inserts.
Scrambler through the sub-district that will insert of learning does not find this sub-district, searches for optimal sub-district, initiates to set up process, is meant that specifically UE initiates RRC reconstruction, Routing Area Update and RAB automatically and sets up process; So far, flow process finishes.
Wherein, Said cell, information, message three's relation is: in Radio Resource control connection release message, increase cell; The content of cell is the identification information that UE need insert the sub-district, and this identification information can be that cell scrambling or other can be distinguished the identification information of this sub-district.
Present embodiment comprises the identification information message that expression UE need insert the sub-district through reception makes UE know the cell information of needs access.Wherein, this identification information can be told the characteristic information such as load, sub-district supporting business type, sub-district covering of UE Target cell.Present embodiment can make UE in time search only sub-district and insert, and accelerates the business recovery time, improves time efficiency and accuracy rate that UE inserts the sub-district, thereby reduces the UE probability of call.
The embodiment of the invention also provides a kind of device of selecting the sub-district, and is as shown in Figure 3, comprising:
If the UE district reselecting is to DRNC; Between discovery and SRNC, there is not the IUR interface; Can not carry out under the situation of soft handover; Perhaps under the situation that core net is not supported to move, generate Radio Resource control connection release message, comprise the identification information that UE need insert the sub-district in the said Radio Resource control connection release message.
Sending module 303 is used for sending the said Radio Resource control connection release message that generation module obtains to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
The cause value that obtains to UE transmission generation module is RRC CONNECTION RELEASE (release of the Radio Resource control connection) message of " Directed Signaling Connectionre-establishment ", so that the sub-district that UE selects this identification information to represent according to this identification information is inserted.
The device of the selection sub-district that the embodiment of the invention provides generally is arranged in RNC, is the functional module of RNC.
Wherein, Said cell, information, message three's relation is: in Radio Resource control connection release message, increase cell; The content of cell is the identification information that UE need insert the sub-district, and this identification information can be that cell scrambling or other can be distinguished the identification information of this sub-district.
Present embodiment comprises identification information message that expression UE need insert the sub-district to UE through transmission, UE is known need the cell information that inserts.Wherein, this identification information can be told the characteristic information such as load, sub-district supporting business type, sub-district covering of UE Target cell.Present embodiment can make UE in time search only sub-district and insert, and accelerates the business recovery time, improves time efficiency and accuracy rate that UE inserts the sub-district, thereby reduces the UE probability of call.
The embodiment of the invention also provides a kind of device of selecting the sub-district, and is as shown in Figure 4, comprising:
Sending module 401 is used for sending measurement report to SRNC.
It is RRC CONNECTION RELEASE (release of the Radio Resource control connection) message of " Directed Signaling Connectionre-establishment " that UE receives RNC transmission cause value; Comprise the cell that UE need insert the identification information of sub-district, the information that this UE need insert the sub-district can be the scrambler that UE need insert the sub-district.
If the said module 403 of searching finds the sub-district that UE need insert according to the identification information (like cell scrambling) of said access sub-district, then initiation module 404 initiates to set up process, is meant that specifically automatic initiation RRC reconstruction, Routing Area Update and RAB set up process.
Search AM access module 405 is used for, continuing the optimal sub-district of search and inserting when not searching the sub-district that the UE needs insert according to the identification information of said access sub-district in the said module 403 of searching.
If the said module 403 of searching is not when searching the sub-district that UE need insert according to the identification information (like cell scrambling) of said access sub-district; Said search AM access module 405 continues the optimal sub-district of search; Process is set up in initiation, is meant that specifically automatic initiation RRC reconstruction, Routing Area Update and RAB set up process.
Wherein, Said cell, information, message three's relation is: in Radio Resource control connection release message, increase cell; The content of cell is the identification information that UE need insert the sub-district, and this identification information can be that cell scrambling or other can be distinguished the identification information of this sub-district.
The device of the selection sub-district that the embodiment of the invention five provides generally is arranged in UE, is the functional module of UE.
Present embodiment comprises identification information message that expression UE need insert the sub-district to UE through transmission, UE is known need the cell information that inserts.Wherein, this identification information can be told the characteristic information such as load, sub-district supporting business type, sub-district covering of UE Target cell.Present embodiment can make UE in time search only sub-district and insert, and accelerates the business recovery time, improves time efficiency and accuracy rate that UE inserts the sub-district, thereby reduces the UE probability of call.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly implement through hardware.Based on such understanding; All or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and without departing from the spirit and scope of the present invention.
Claims (12)
1. a method of selecting the sub-district is characterized in that, comprising:
According to the measurement report that user terminal UE sends, confirm that floating radio network controller DRNC cell signal quality is superior to the cell signal quality of the current access of said UE;
Generate Radio Resource control connection release message, comprise the identification information that UE need insert the sub-district in the said Radio Resource control connection release message;
Send said Radio Resource control connection release message to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
2. the method for selection as claimed in claim 1 sub-district is characterized in that:
Comprise the cell that UE need insert the identification information of sub-district in the said Radio Resource control connection release message.
3. the method for selection as claimed in claim 1 sub-district is characterized in that, the identification information that said UE need insert the sub-district is the scrambler that UE need insert the sub-district.
4. a method of selecting the sub-district is characterized in that, comprising:
Send measurement report to service wireless network controller SRNC, said report confirms that floating radio network controller DRNC cell signal quality is superior to the SRNC cell signal quality of current access;
Receive the Radio Resource control connection release message that SRNC sends, said Radio Resource control connection release message comprises the identification information that needs insert the sub-district;
Carry out Cell searching according to said identification information, find the sub-district that needs access, initiate to set up process.
5. the method for selection as claimed in claim 4 sub-district is characterized in that, said method further comprises:
When not finding needs access sub-district according to said identification information, continue the optimal sub-district of search and insert.
6. selection as claimed in claim 4 sub-district method is characterized in that, comprises the cell that UE need insert the identification information of sub-district in the said Radio Resource control connection release message.
7. selection as claimed in claim 4 sub-district method is characterized in that, the identification information that said UE need insert the sub-district is the scrambler that UE need insert the sub-district.
8. selection as claimed in claim 4 sub-district method is characterized in that, said initiation is set up process and is meant that initiating RRC reconstruction, Routing Area Update and RAB sets up process.
9. like the method for each described selection sub-district of claim 1 to 8; It is characterized in that said Radio Resource control connection release message is the Radio Resource control connection release message RRC CONNECTION RELEASE that in direct signaling connection reconstruction flow process DSCR, sends to UE.
10. a device of selecting the sub-district is characterized in that, comprising:
Determination module is used for the measurement report according to user terminal UE transmission, confirms that DRNC cell signal quality is superior to the cell signal quality of the current access of said UE;
Generation module is used to generate Radio Resource control connection release message, comprises the identification information that UE need insert the sub-district in the said Radio Resource control connection release message;
Sending module is used for sending the said Radio Resource control connection release message that generation module obtains to UE, so that the sub-district that UE selects said identification information to represent according to said identification information is inserted.
11. a device of selecting the sub-district is characterized in that, comprising:
Sending module is used for sending measurement report to SRNC, and said report confirms that DRNC cell signal quality is superior to the SRNC cell signal quality of current access;
Receiver module is used to receive the Radio Resource control connection release message that SRNC sends, and said Radio Resource control connection release message comprises the identification information that UE need insert the sub-district;
Search module, the identification information that the said needs that are used for obtaining according to said receiver module insert the sub-district carries out Cell searching;
Initiation module is used for searching module searches the sub-district that the UE needs insert according to the identification information of said access sub-district after when said, initiates to set up process.
12. the device of selection as claimed in claim 11 sub-district is characterized in that said device also comprises search AM access module,
Said search AM access module is used for, continuing the optimal sub-district of search and inserting when not searching the sub-district that the UE needs insert according to the identification information of said access sub-district in the said module of searching.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863370A (en) * | 2005-05-10 | 2006-11-15 | 华为技术有限公司 | Method for implementing selective in shared network transfer |
| CN101009920A (en) * | 2006-01-25 | 2007-08-01 | 中兴通讯股份有限公司 | A cross-area switching method of the wireless communication devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863370A (en) * | 2005-05-10 | 2006-11-15 | 华为技术有限公司 | Method for implementing selective in shared network transfer |
| CN101009920A (en) * | 2006-01-25 | 2007-08-01 | 中兴通讯股份有限公司 | A cross-area switching method of the wireless communication devices |
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