CN100499921C - Method for shortening timedelay of user's terminal from connecting mode returning to idle mode - Google Patents
Method for shortening timedelay of user's terminal from connecting mode returning to idle mode Download PDFInfo
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- CN100499921C CN100499921C CNB200710078128XA CN200710078128A CN100499921C CN 100499921 C CN100499921 C CN 100499921C CN B200710078128X A CNB200710078128X A CN B200710078128XA CN 200710078128 A CN200710078128 A CN 200710078128A CN 100499921 C CN100499921 C CN 100499921C
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Abstract
The method uses system information recording table (for short: sysInfoTable) to save the last-read system information and cell information, and uses measuring result list (for short: measureResult) to save the newly-saved cell measuring value (P-CCPCH RSCP) and its corresponding cell information (including: serving cell and neighboring cell); according to the RRC connection type released by network or non-access layer, selecting the next step; if the RRC connection is released normally, the comparing the cell information of current cell with the cell information saved in sysInfoTable; if they are the same, then only receiving and reading the Main information block (MIB) of the cell; after reading, directly residing in the cell, or residing in the cell after receiving, reading and recording the modified schedule block (SB) and system information block (SIB); if the cell information is not identical, then receiving and reading all SIB of current cell; if the RRC connection is released abnormally, then reducing the P-PCCPCH RSCP corresponding to current cell in measureResult, and realigning all neighboring cells (containing current serving cell) according to measuring value; according to the realigned cell list, making reselection for the cell in turn.
Description
Technical field
The present invention relates to shorten in a kind of mobile communication system higher-layer protocols the method for user's terminal from connecting mode returning to idle mode time delay, particularly shorten the method for user's terminal from connecting mode returning to idle mode time delay in the 3-G (Generation Three mobile communication system) higher-layer protocols.
Background technology
In 3-G (Generation Three mobile communication system), higher-layer protocols comprises Access Layer and Non-Access Stratum, and wherein, the Radio Resource control module of Access Layer (being called for short RRC) control UE turns back to idle pulley from connection mode.Usually, according to whether having RRC connection existence that user terminal (abbreviating UE as) is divided into idle pulley and connection mode.Under idle pulley, UE closes in all connections of Access Layer, and UE discerns the sub-district by the identification information of Non-Access Stratum and connects.Till the land radio access web (abbreviate UTRAN) of RRC connection requests to universal mobile telecommunications system (abbreviating UMTS as) set up in transmission, UE will be in idle pulley always from opening power.And after RRC connected foundation, UE entered the UTRAN connection mode, will distribute this moment a Radio Network Temporary Identifier (abbreviating RNTI as) as the sign of the UE on the Common transport channel, and UE has also promptly entered connection mode.RRC state under the UTRAN connection mode reflected the connection grade of UE and under this state which transmission channel can use.
When UE when connection mode turns back to idle pulley, will trigger RRC and connect and discharge.Usually, the situation that release RRC connection takes place is many, and conclusion is got up, and can be divided into two classes:
1, the service ending of UE, network or Non-Access Stratum discharge RRC normally and connect, UE returning to idle mode (following abbreviate this type of situation as normal releases RRC connection);
2, because Radio Link Failure, overtime no network response and receive the reasons such as refusal response of network, UE sets up service fail and returning to idle mode (following abbreviate this type of situation as improper releases RRC connection).
When UE when connection mode turns back to idle pulley, the processing method of prior art generally includes removes also two key steps in a resident suitable sub-district of all variablees relevant with connection mode and selection.And in order to select an also resident suitable sub-district, UE need receive and understand all system messages of candidate cell, thereby it is resident to judge whether this sub-district is fit to.Usually UE receives, understands cycle of all System information blocks very long (possible long period be 4096 frames), since consuming time long, will cause UE to lose possible paging block, reduce called success rate; Simultaneously, receive for a long time, understand the energy loss that system message caused, also will shorten the stand-by time of UE greatly.
Prior art adopts the mode of search repeatedly to select and a resident suitable sub-district usually, at first receive, understand all system messages of current area, it is resident to judge whether this sub-district is fit to again, be then resident, otherwise receive, understand all system messages of another sub-district, it is resident to judge whether this sub-district is fit to again, and so repeatedly, suitable sub-district is resident until searching out.
In addition, the UE that causes for any situation is from the connection mode returning to idle mode, and prior art always at first uses the sub-district left before the connection mode to connect resident sub-district, back as UE discharging RRC.The defective of this way is for itself to be exactly to have caused because service fail (for example: Radio Link Failure, cell update get nowhere and reach maximum times etc.) has taken place to discharge the sub-district that RRC connects under connection mode, if after RRC discharges connection, directly reside on this sub-district again, when initiating to connect once more, the power that connects into of UE will be reduced.
Summary of the invention
For overcoming the above-mentioned deficiency of prior art, the inventive method proposes a kind ofly to select the also method of a resident suitable cell when UE quickens UE during from the connection mode returning to idle mode, also promptly shortens the method for UE from connection mode returning to idle mode time delay.
The inventive method adopts the cell system message and the corresponding district information thereof of the last complete deciphering of system message record sheet (abbreviating sysInfoTable as) storage, adopt measurement result tabulation (abbreviating measureResult as) to preserve the measured value (P-CCPCH RSCP) and the corresponding district information (comprising Serving cell and adjacent cell) thereof of up-to-date sub-district, discharge the type that RRC connects according to network or Non-Access Stratum, select to carry out next step, connect if normally discharge RRC, then the cell information of current area and the cell information of sysInfoTable storage are compared, then only receive as cell information is identical, understand the Master Information Block (MIB) of this sub-district, direct resident this sub-district or receiving after understanding, understand and write down the Scheduling Block (abbreviating SB as) that changes, resident this sub-district, System information block (abbreviating SIB as) back, then receive and understand all System information blocks of current area as cell information is inequality, if improper release RRC connects, then reduce the P-PCCPCH RSCP of current area correspondence among the measureResult, each adjacent cell (comprising current Serving cell) is rearranged according to the measured value descending, according to the candidate cell tabulation after the rearrangement, successively the gravity treatment of carrying out the sub-district starts anew.
The primary data of the inventive method sysinfoTable derives from the system message of cell selecting stage deciphering, when changing, external environment triggered sub-district gravity treatment or cell selecting, perhaps Web broadcast during new system message, sysinfoTable can upgrade sysinfoTable according to the recent systems message of up-to-date persistent district.
The result who adjacent cell (comprising Serving cell) is measured data from whenever of the inventive method measureResult, and according to the measurement result real-time update content under the connection mode.
The cell information of the inventive method sysInfoTable and measureResult storage and contrast comprises: frequency (frequency), descending synchronous code (SYNC-DL) and training sequence code (midamble) or the like.
The inventive method is when UE is identical from connection mode returning to idle mode and cell information, Master Information Block (the abbreviating MIB as) value of sub-district is marked whether identically to judge, be direct resident this sub-district then, otherwise receive, understand and SB, SIB that record changes after resident again this sub-district.
The inventive method is by the real-time update to sysinfoTable and measureResult, the process of reception tediously long in the cell selecting process, deciphering System information block is reduced to the process that receives only, understands MIB, perhaps utilize the measurement result of the adjacent cell that under connection mode, has obtained to construct the candidate cell tabulation of a preferred mistake, thereby make the UE that gets back to idle pulley avoid once more resident as far as possible, improved the success rate that connects once more to abnormal sub-district.
Description of drawings
The FB(flow block) of Fig. 1, prior art UE returning to idle mode process;
The FB(flow block) of UE returning to idle mode process when Fig. 2, the inventive method connect at the normal RRC of release;
The FB(flow block) of Fig. 3, the inventive method UE returning to idle mode process when Radio Link Failure.
Below in conjunction with the drawings and the specific embodiments determination methods of the present invention is described in detail.
Accompanying drawing 1 is the FB(flow block) of prior art returning to idle mode process.As seen from the figure, in the prior art, UE is during from the connection mode returning to idle mode, remove all variablees relevant earlier with connection mode, then, receive, understand all system informations of candidate cell (being that UE leaves the preceding resident sub-district of connection mode) again, understand success and determine satisfy resident condition after, reside in this sub-district, finish the process that turns back to idle pulley from connection mode, otherwise, receive, understand all system messages of another sub-district, it is resident to judge whether this sub-district is fit to again, and so repeatedly, suitable sub-district is resident until searching out.
Accompanying drawing 2 is FB(flow block) of the inventive method UE returning to idle mode process when the normal RRC of release connects.As seen from the figure, when the condition that determines normal release RRC connection existed, UE mainly may further comprise the steps from the process of connection mode returning to idle mode:
1, removing all variablees relevant with connection mode;
2, the cell information of the cell information of current area and sysinfoTable record is compared and judge whether both are identical, as the identical MIB that then receives only, understands current area, as all system messages in this sub-district of then understanding inequality.As understand then resident this sub-district of success, otherwise begin new sub-district gravity treatment;
Whether the MIB that 3, receives, understands current area is successful, is then to carry out next step, otherwise begins new sub-district gravity treatment;
4, the MIB value mark that the MIB value mark of will receive, understanding and sysinfoTable preserve compares and judges whether identical, as identical then direct resident this sub-district, as the next step of then carrying out inequality;
Whether the altered SB of 5, deciphering value mark, SIB be successful, is then resident this sub-district, otherwise begins new sub-district gravity treatment.
6, UE finishes from connection mode returning to idle mode process.
Accompanying drawing 3 is FB(flow block) of the inventive method UE returning to idle mode process when Radio Link Failure, also is the FB(flow block) of the inventive method UE returning to idle mode under improper release RRC connection situation.As seen from the figure, UE mainly may further comprise the steps from the connection mode returning to idle mode when Radio Link Failure:
1, removing all variablees relevant with connection mode;
2, the measured value of current area correspondence (P-PCCPCH RSCP) among the moderate reduction measureResult;
3, the descending of each adjacent cell (comprising current area) according to measured value rearranged, and with the Target cell of first sub-district in the cell list as the candidate;
4, the cell information of the cell information of Target cell and sysinfoTable record is compared and judge whether both are identical, as the identical flow processing of UE returning to idle mode when then connecting, as the next step of then carrying out inequality according to the normal release RRC shown in the accompanying drawing 2;
5, whether successfully understanding all system messages, is then to carry out next step, otherwise with the Target cell of the next sub-district in the cell list as the candidate, and repeated execution of steps 4;
6, judging whether system message satisfies the persistent district condition, is then resident this sub-district, otherwise with the Target cell of the next sub-district in the cell list as the candidate, and repeated execution of steps 4;
7, UE finishes from connection mode returning to idle mode process.
The inventive method also can have other various embodiments; without departing from the spirit and substance of the case in the method for the present invention; those skilled in the art work as can make various corresponding changes or distortion according to the inventive method, but these corresponding changes or distortion all belong to the claim protection range of the inventive method.
Claims (5)
1, a kind of method that shortens the user's terminal from connecting mode returning to idle mode time delay, it is characterized in that: adopt system message record sheet sysInfoTable to store the cell system message and the corresponding district information thereof of the last complete deciphering, adopt measurement result tabulation measureResult to preserve the measured value P-CCPCH RSCP and the corresponding district information thereof of up-to-date sub-district, comprise service cell information and adjacent cell information, discharge the type that RRC connects according to network or Non-Access Stratum, select to carry out next step: connect if normally discharge RRC, then the cell information with current area information and sysInfoTable storage compares, then only receive as cell information is identical, understand the Master Information Block MIB of this sub-district, direct resident this sub-district or receiving after understanding, understand and write down the Scheduling Block SB that changes, resident this sub-district behind the System information block SIB then receives and understands all System information blocks of current area as cell information is inequality; If improper release RRC connects, then reduce the P-PCCPCH RSCP of current area correspondence among the measureResult, with each adjacent cell, comprise current Serving cell, rearrange according to the measured value descending, according to the candidate cell tabulation after the rearrangement, successively the selection of carrying out the sub-district starts anew.
2, according to the method for the described shortening time delay of claim 1, it is characterized in that: the primary data of sysinfoTable derives from the system message of cell selecting stage deciphering, when changing, external environment triggered sub-district gravity treatment or cell selecting, perhaps Web broadcast during new system message, sysinfoTable can upgrade sysinfoTable according to the recent systems message of up-to-date persistent district.
3, according to the method for the described shortening time delay of claim 1, it is characterized in that: measureResult data from whenever to adjacent cell, comprise current service cell, the result who measures, and according to the measurement result real-time update content under the connection mode.
4, according to the method for the described shortening time delay of claim 1, it is characterized in that: the cell information of sysInfoTable and measureResult storage and contrast comprises: frequency f requency, descending synchronous code SYNC-DL and training sequence code midamble etc.
5, according to the method for the described shortening time delay of claim 1, it is characterized in that: UE is from connection mode returning to idle mode and cell information when identical, the Master Information Block MIB value of sub-district is marked whether identically to judge, be direct resident this sub-district then, otherwise receive, understand and SB, SIB that record changes after resident again this sub-district.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710078128XA CN100499921C (en) | 2007-01-19 | 2007-01-19 | Method for shortening timedelay of user's terminal from connecting mode returning to idle mode |
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| CNB200710078128XA CN100499921C (en) | 2007-01-19 | 2007-01-19 | Method for shortening timedelay of user's terminal from connecting mode returning to idle mode |
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| CN101005711A CN101005711A (en) | 2007-07-25 |
| CN100499921C true CN100499921C (en) | 2009-06-10 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198188B (en) * | 2008-01-03 | 2010-09-29 | 中兴通讯股份有限公司 | Method for storing cell system information across network |
| CN101232738B (en) * | 2008-02-28 | 2011-06-01 | 北京天碁科技有限公司 | Method of terminal staying and terminal |
| CN101583167B (en) * | 2008-05-12 | 2012-02-29 | 华为技术有限公司 | Method and device for reelecting cell |
| CN101674211B (en) * | 2008-09-12 | 2012-02-29 | 中兴通讯股份有限公司 | System information pre-reception method |
| CN101754414B (en) * | 2008-12-16 | 2012-04-25 | 华为技术有限公司 | Method and device for RRC connection reestablishment |
| CN101600244B (en) * | 2009-01-21 | 2013-05-29 | 美商威睿电通公司 | Wireless communication between base station and mobile device |
| CN101902800B (en) * | 2009-05-26 | 2013-02-20 | 电信科学技术研究院 | Method and device for transmitting and receiving system information |
| US8976740B2 (en) * | 2009-11-06 | 2015-03-10 | Qualcomm Incorporated | System information acquisition in connected mode |
| CN102111804B (en) * | 2009-12-28 | 2015-11-25 | 重庆重邮信科通信技术有限公司 | A kind of quality monitoring method for cell of mobile terminal |
| CN101895949B (en) | 2010-07-15 | 2014-09-10 | 中兴通讯股份有限公司 | Method and device for switching different network systems |
| CN101895961A (en) * | 2010-07-22 | 2010-11-24 | 中兴通讯股份有限公司 | Method and device for receiving system information |
| CN101984710A (en) * | 2010-11-12 | 2011-03-09 | 中兴通讯股份有限公司 | Method, device and terminal for searching cell after completion of voice conversation |
| CN104113867B (en) * | 2013-04-22 | 2019-06-11 | 中兴通讯股份有限公司 | A kind of Radio Link Failure processing method and processing device |
| CN107396429B (en) * | 2016-05-16 | 2020-04-14 | 展讯通信（上海）有限公司 | Method, device and system for processing system message change of MTC terminal in connected state |
| CN106028378A (en) * | 2016-05-23 | 2016-10-12 | 北京中科晶上科技有限公司 | Handset monitoring method and system based on CDMA signaling |
| KR20190100307A (en) * | 2016-12-29 | 2019-08-28 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Context release method, device and system |
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Denomination of invention: Method for shortening timedelay of user's terminal from connecting mode returning to idle mode Effective date of registration: 20141117 Granted publication date: 20090610 Pledgee: Chongqing cyit (Group) Limited by Share Ltd Pledgor: Chongqing City Communication & Technology Co., Ltd. Registration number: 2014500000017 |
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Effective date of registration: 20170427 Address after: Nanping Street 400060 Chongqing Nan'an District Nancheng Road No. 199 left attached to the floor 403 Patentee after: Keen (Chongqing) Microelectronics Technology Co., Ltd. Address before: 400065 Chongqing Nan'an District huangjuezhen pass Fort Park No. 1 Patentee before: Chongqing City Communication & Technology Co., Ltd. |