CN100525506C - Method for increasing called success probability - Google Patents
Method for increasing called success probability Download PDFInfo
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- CN100525506C CN100525506C CNB2007100781862A CN200710078186A CN100525506C CN 100525506 C CN100525506 C CN 100525506C CN B2007100781862 A CNB2007100781862 A CN B2007100781862A CN 200710078186 A CN200710078186 A CN 200710078186A CN 100525506 C CN100525506 C CN 100525506C
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- 238000010295 mobile communication Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 2
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Abstract
By the invention, in case of not influencing the cell reselection process, the system operation message and the channel-monitored operation message are simultaneously received during one TTI so as to ensure the monitor continuously kept to channels and the paging signals correctly received from the network side.
Description
Technical field
The present invention relates to the method that improves user terminal (being designated hereinafter simply as UE) called success probability in the 3-G (Generation Three mobile communication system), specially refer to the method that improves UE called success probability in cell reselection process.
Background technology
In 3-G (Generation Three mobile communication system), UE receives the beep-page message that network side sends by monitoring Page Indication Channel and paging channel.Monitor that Page Indication Channel and paging channel are the vital task of UE under the connection mode of idle pulley and non-dedicated channel, so as paging that at any time can the response to network side, the called function of realization UE.Wherein, the reception control procedure of beep-page message mainly is that Radio Resource control (being called for short RRC) module by the Access Layer of higher-layer protocols realizes.Description according to 3GPP agreement TS25.304 document, after finding the proper cell success resident, UE will determine the relevant parameter of paging receiving message according to the system message of this sub-district that receives, and, receive and the analyzing and processing beep-page message according to these parameters supervision Page Indication Channel and paging channel.
In 3-G (Generation Three mobile communication system), idle message (as system message and beep-page message etc.) is to transmit by transmission channel (as broadcast channel and paging channel etc.), and transmission channel to transmit message be to be unit with Transmission Time Interval (abbreviating TTI as).So the reception of system message and beep-page message is in fact all at certain TTI.Each TTI has the initial frame number of an appointment.In addition, the message of different transmission channels can transmit in a TTI.
In general, UE paging receiving message has following flow process:
The first step, success is resident to a proper cell.
In second step, determine the relevant parameter of paging receiving message according to the system message of this sub-district that receives, the supervision Page Indication Channel.
The 3rd goes on foot, and judges whether the paging channel of the appointment frame number (being the initial frame number of TTI) of needs monitor subsequent according to the information on the Page Indication Channel.If desired, then receive beep-page message on the follow-up paging channel.
In the 4th step, RRC carries out analyzing and processing to the beep-page message that receives.Judge whether it is the beep-page message of this terminal, if then received beep-page message to the Non-Access Stratum indication.At this moment, Non-Access Stratum can send page-response message to respond this paging to network side.
In addition, UE also needs to carry out measurement of correlation according to the system message that receives under the connection mode (system message 11 or system message 12) of idle pulley (system message 11) and non-dedicated channel.With the idle pulley is example, and UE can carry out cell measurement at each paging cycle.(the S value is used for representing the parameter of cell signal quality for key parameter S value by calculating the sub-district gravity treatment and R value, S〉the 0th, satisfy one of resident necessary condition in sub-district, the R value is used for representing the parameter of re-selecting cell priority, it is high more to be worth big more priority, usually the R value with Serving cell is designated Rs, adjacent cell R value is designated Rn, and specific description is referring to 3GPP TS25.304 agreement document).If current service cell S value less than zero or certain adjacent cell Rn all will the triggering cell reuse adoption process during greater than Serving cell Rs.
If triggered cell reselection process, UE will determine the candidate cell tabulation according to the S and the Rn value of adjacent cell, and successively the sub-district gravity treatment be carried out as Target cell in the sub-district in the tabulation, will stop to monitor Page Indication Channel and paging channel simultaneously.By the time the supervision of Page Indication Channel and paging channel is carried out in gravity treatment behind another suitable cell again according to the relevant parameter of this sub-district.Hence one can see that, and UE is not monitor Page Indication Channel and paging channel carrying out in the middle of the whole process of sub-district gravity treatment.At this moment, if the calling of network side is arranged, then UE just can't respond, and has reduced called success rate.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the present invention proposes a kind of UE and still keep monitors in cell reselection process, to improve the method for called success probability.
For the paging channel of correct monitored object sub-district appointment frame number, UE must be synchronous with the Target cell System Frame Number.Need be synchronous with the System Frame Number of Target cell, the System Frame Number of former sub-district and Target cell in the time of need knowing same TTI.On certain TTI, UE always can correctly receive first system information block of Target cell.This system information block can comprise the information such as starter system frame number of this TTI of Target cell, and the starter system frame number of former this TTI of sub-district is known (in fact because the former sub-district of System Frame Number one direct sum keeps synchronous, so the starter system frame number of the former any TTI in sub-district all is known), therefore can calculate the appointment frame number that needs the paging channel that monitors on the Target cell, and then determine to comprise the TTI of paging channel, correctly receive the beep-page message of network side.
When the inventive method begins the sub-district gravity treatment at UE, preserve the relevant parameter of former system information of subdistricts and paging channel, determine the System Frame Number of Target cell by the system message of the Target cell that receives.Calculate the appointment frame number of Target cell paging channel according to the System Frame Number of the appointment frame number of the System Frame Number of former sub-district, former cell paging channel and Target cell, and with the paging channel of this direct monitored object sub-district.In order to reduce the complexity of control, need not monitor Page Indication Channel again.
The former system information of subdistricts that the inventive method is preserved comprises System Frame Number at least, and the paging channel parameter of the former sub-district of preservation comprises the appointment frame number of paging channel and the relevant parameter of paging channel at least.
The formula that the inventive method is calculated the appointment frame number of Target cell paging channel is:
PCHFrameNew＝PCHFrameOld+(SystemFramOld-SystemFramNew)
In the formula: PCHFrameNew is the appointment frame number of the Target cell paging channel that need monitor;
SystemFramNew is the Target cell System Frame Number;
SystemFramOld is the System Frame Number of former sub-district;
PCHFrameOld is the appointment frame number of former cell paging channel.
The inventive method can be under the prerequisite that does not influence cell reselection process, by in a TTI, carrying out operation of receiving target cell system message and monitors operation simultaneously, guarantee having or not in the middle of the reuse adoption process of sub-district under the situation of system message, monitors correctly in time receives the paging of network side incessantly.In case it is resident to Target cell that gravity treatment finishes i.e. success, the paging of the network side that just can make an immediate response improves called success rate effectively.
Description of drawings:
Fig. 1, the prior art process flow block diagram that paging channel monitors in cell reselection process;
Fig. 2, the inventive method process flow block diagram that paging channel monitors in cell reselection process.
Below in conjunction with the drawings and the specific embodiments the inventive method is described in detail.
Accompanying drawing 1 is the prior art process flow block diagram that paging channel monitors in cell reselection process.As seen from the figure, prior art carries out stopping to monitor Page Indication Channel and paging channel in the cell reselection process at UE, if this moment, network side was called out this UE, then because this UE does not monitor Page Indication Channel and paging channel, make this UE to make response, directly cause called unsuccessful this calling.
Accompanying drawing 2 is the inventive method process flow block diagram that paging channel monitors in cell reselection process.As seen from the figure, when the inventive method begins in the sub-district gravity treatment, preserve the relevant parameter of former system information of subdistricts and paging channel, calculate the appointment frame number of the paging channel of Target cell according to the System Frame Number of the appointment frame number of the System Frame Number of former sub-district, former cell paging channel and Target cell, in cell reselection process in receiving system message the paging channel of monitored object sub-district, receive the beep-page message of network side, so that the paging of response to network side has in time improved called success rate effectively.
The present invention improves the called success probability method also can have other various embodiments; do not deviating under the situation that the present invention improves the spirit of called success probability method and essence thereof; those skilled in the art make various corresponding changes or distortion when improving the called success probability method according to the present invention, but these corresponding changes or distortion all belong to the claim protection range that the present invention improves the called success probability method.
Claims (2)
1, a kind of raising user terminal, be UE, the method of called success probability, it is characterized in that: when UE begins the sub-district gravity treatment, preserve the relevant parameter of former system information of subdistricts and paging channel, determine the System Frame Number of Target cell by the system message of the Target cell that receives, calculate the appointment frame number of Target cell paging channel according to the System Frame Number of the appointment frame number of the System Frame Number of former sub-district, former cell paging channel and Target cell, and with the paging channel of this direct monitored object sub-district; Wherein, the formula of the appointment frame number of calculating Target cell paging channel is:
PCHFrameNew＝PCHFrameOld+(SystemFramOld-SystemFramNew)
In the formula: PCHFrameNew is the appointment frame number of Target cell paging channel;
SystemFramNew is the Target cell System Frame Number;
SystemFramOld is the System Frame Number of former sub-district;
PCHFrameOld is the appointment frame number of former cell paging channel.
2, according to the described method of claim 1, it is characterized in that: the former system information of subdistricts of preservation comprises System Frame Number at least, and the paging channel relevant parameter of the former sub-district of preservation comprises the appointment frame number of paging channel and the relevant parameter of paging channel at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100781862A CN100525506C (en) | 2007-02-07 | 2007-02-07 | Method for increasing called success probability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100781862A CN100525506C (en) | 2007-02-07 | 2007-02-07 | Method for increasing called success probability |
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| CN101031151A CN101031151A (en) | 2007-09-05 |
| CN100525506C true CN100525506C (en) | 2009-08-05 |
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| CNB2007100781862A Active CN100525506C (en) | 2007-02-07 | 2007-02-07 | Method for increasing called success probability |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102378207B (en) * | 2010-08-12 | 2014-10-22 | 联芯科技有限公司 | Method for reducing leaked paging, and terminal |
| CN110138492B (en) * | 2018-02-08 | 2021-02-12 | 华为终端有限公司 | Cell search method and related equipment |
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Owner name: CHONGQING CYIT COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHONGQING CHONGYOU XINKE (GROUP) CO., LTD. Effective date: 20081017 |
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Effective date of registration: 20081017 Address after: Huang Chongqing Nan'an District No. 1 Wu Fort Park Post encoding: 400065 Applicant after: Chongqing City Communication & Technology Co., Ltd. Address before: B, 4 floor, zone 401147, Neptune science building, Chongqing, Yubei District Applicant before: Chongqing cyit (Group) Limited by Share Ltd |
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Denomination of invention: Method for increasing called success probability Effective date of registration: 20141117 Granted publication date: 20090805 Pledgee: Chongqing cyit (Group) Limited by Share Ltd Pledgor: Chongqing City Communication & Technology Co., Ltd. Registration number: 2014500000017 |
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Date of cancellation: 20161020 Granted publication date: 20090805 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. |
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