CN101754286B - Method and device for confirming idle time parameters - Google Patents
Method and device for confirming idle time parameters Download PDFInfo
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- CN101754286B CN101754286B CN200810240015XA CN200810240015A CN101754286B CN 101754286 B CN101754286 B CN 101754286B CN 200810240015X A CN200810240015X A CN 200810240015XA CN 200810240015 A CN200810240015 A CN 200810240015A CN 101754286 B CN101754286 B CN 101754286B
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Abstract
The invention relates to a wireless communication technique, in particular to a method and a device for confirming idle time parameters for solving the problem that aiming at the condition of an adjacent cell of an irregular-frequency point, confirmed Gap parameters may cause a terminal not to read an SIB1 data block of the adjacent cell of the prior art. The method of the embodiment comprises the following steps: a base station confirms an adjacent cell corresponding to a received physical layer cell mark PCI from a terminal to be the adjacent cell of the irregular-frequency point; the base station selects an idle time parameter from a preset idle time Gap parameter range, and the idle time parameters are preset according to the sending moments of the SIB1 data block of system message block type 1 of the adjacent cell; and the base station sends the selected idle time parameter to the terminal. By adopting the method of the embodiment, ANR operation failure owning to being incapable of reading SIB1 data block of the adjacent cell can be avoided, thus reducing the influence on user service quality and enhancing user experience.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of method and apparatus of definite idle time parameters.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) system, the method that a kind of Automatic Neighboring Relation is set up has been proposed.
In this method, the broadcast message of adjacent area is read through after measuring the adjacent area around finding in the terminal; Be the SIB1 (SystemInformationBlockType1 of adjacent area; System information block type 1) data block obtains and reports CGI (Cell Global Identifier, sub-district overall identification) to the base station; New neighboring BS relationship is created in the base station after receiving the neighboring BS information of terminal to report, this method is 3GPP (3rd GenerationPartnership Project just; 3G (Third Generation) Moblie standardization body) the described ANR of LTE agreement (Automatic Neighbor Relation, Automatic Neighboring Relation) function.
When the SIB1 data block of adjacent area was read at the terminal, needing the base station was that the terminal is provided with one period free time, the terminal at one's leisure between in receive the broadcast message of adjacent area.
For measurement pilot signals, in the 3GPP standard agreement, defined two kinds of free times (being Gap) pattern, as shown in table 1:
| Gap pattern (Gap Pattern Id) | Gap length (Transmission Gap Length, TGL) (unit: ms) | The Gap repetition period (Transmission Gap Repetition Period, TGRP) (unit: ms) |
| 0 | 6 | 40 |
| 1 | 6 | 80 |
Table 1
In the ANR function, if the adjacent sub-district of pilot frequency point, then free time is adopted two kinds of patterns of table 1 at present.Concrete:
An idle time parameters (being the free time side-play amount) is confirmed according to the pattern of selecting in the base station, and the initial moment of Gap just can be confirmed according to the Gap side-play amount in the terminal, thereby in Gap, reads the SIB1 data block of adjacent area.
If pattern 0 is then selected an integer from Gap parameter area (0～39); If pattern 1 is then selected an integer from Gap parameter area (0～79).
But; SIB1 data block in the LTE system is all carried in the even number radio frames; And fixing delivery time is arranged, and the not all Gap parameter of Gap parameter area that is provided with at present can both guarantee that the terminal receives the SIB1 data block of adjacent area, such as when the Gap parameter is 12; It is in the radio frames of odd number that Gap appears at SFN (System Frame Number), and at this moment the terminal just can't receive the SIB1 data block of adjacent area.
In sum, in the ANR function, for the situation of the adjacent sub-district of pilot frequency point, definite Gap parameter might cause the terminal can't read the SIB1 data block of adjacent area.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of definite idle time parameters; In order to solve in the ANR function that exists in the prior art; For the situation of the adjacent sub-district of pilot frequency point, definite Gap parameter might cause the terminal can't read the problem of the SIB1 data block of adjacent area.
The method of a kind of definite idle time parameters that the embodiment of the invention provides comprises:
The base station confirms that the corresponding adjacent sub-district of the physical-layer cell identifier PCI that comes self terminal of receiving is the adjacent sub-district of pilot frequency point;
An idle time parameters is selected in said base station from the corresponding free time Gap parameter area of pre-configured free time pattern, said idle time parameters scope is to confirm according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; Each numerical value in the said idle time parameters scope need satisfy condition: the merchant divided by 10 is an even number, and remainder is not more than 5;
The idle time parameters of selecting is sent in said base station to the terminal.
A kind of base station that the embodiment of the invention provides comprises:
Receiver module is used to receive the physical-layer cell identifier PCI of self terminal;
Select module; When being used in the corresponding adjacent sub-district of said PCI being the adjacent sub-district of pilot frequency point; From the corresponding free time Gap parameter area of pre-configured free time pattern; Select an idle time parameters, said idle time parameters scope is to confirm according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; Each numerical value in the said idle time parameters scope need satisfy condition: the merchant divided by 10 is an even number, and remainder is not more than 5;
Sending module is used for sending the idle time parameters of selecting to the terminal.
Embodiment of the invention base station confirms that the corresponding adjacent sub-district of the physical-layer cell identifier PCI that comes self terminal of receiving is the adjacent sub-district of pilot frequency point; An idle time parameters is selected in said base station from the corresponding free time Gap parameter area of pre-configured free time pattern, said idle time parameters scope is to confirm according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; The idle time parameters of selecting is sent in said base station to the terminal.Because the Gap parameter of confirming; Can guarantee that for the situation of the adjacent sub-district of pilot frequency point the terminal can read the SIB1 data block of adjacent area; Thereby avoided owing to can't read the ANR operation failure that the SIB1 data block of adjacent area causes; Reduced because the ANR operation failure to the influence of QoS of customer, has improved user experience, and the efficient of ANR operation.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention base station;
Fig. 2 measures Gap parameter sketch map for the embodiment of the invention;
Fig. 3 confirms the method flow sketch map of idle time parameters for the embodiment of the invention;
Fig. 4 is the method flow sketch map of embodiment of the invention configuration idle time parameters.
Embodiment
An idle time parameters is selected in embodiment of the invention base station from pre-configured Gap parameter area, wherein, the space interval parameter is pre-configured according to the delivery time of the SIB1 data block of adjacent sub-district, and sends the idle time parameters of selecting to the terminal.Because the Gap parameter of confirming, can guarantee that for the situation of the adjacent sub-district of pilot frequency point the terminal can read the SIB1 data block of adjacent area, thereby avoid owing to can't read the ANR operation failure that the SIB1 data block of adjacent area causes.
Need to prove that the adjacent sub-district of the pilot frequency point in the embodiment of the invention is the adjacent sub-district of pilot frequency point in the LTE system.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 1, embodiment of the invention base station comprises: receiver module 10, selection module 20 and sending module 30.
Select module 20, when the corresponding adjacent sub-district of PCI that is used for receiving at receiver module 10 is pilot frequency point neighbour sub-district, from pre-configured Gap parameter area, select an idle time parameters.
The space interval parameter is pre-configured according to the delivery time of the SIB1 data block of adjacent sub-district.
Wherein, select the module 20 free time pattern corresponding, from pre-configured idle time parameters scope, select an idle time parameters according to the terminal.
Free time, pattern was two patterns in the table 1, i.e. pattern 0 and pattern 1.And select module 20 from pattern 0 and pattern 1, to select a pattern at random as the corresponding free time pattern in terminal.Preferable, type of service that can be current according to the terminal is confirmed corresponding free time pattern, then selects module 20 can further include: pattern determination module 200, parameter area determination module 210 and parameter determination module 220.
Pattern determination module 200 is used for the type of service current according to the terminal, confirms corresponding free time pattern.
Type of service can have multiple, such as GBR (Guaranteed Bit Rate ensures speed) business, when current business is the GBR business at the terminal, confirms that corresponding free time pattern is a pattern 0;
When current business is not the GBR business at the terminal, confirm that correspondence free time pattern is pattern 0 or pattern 1.
Need to prove; Concrete what type of service of selecting; And the corresponding pattern of type of service is 0 or 1; Can set according to extraneous factors such as current network environment, network states, that is to say the content of type of service, type of service and free time pattern corresponding relation be not what fix.
In the practical implementation process, speech or data (CS/PS) business that the base station is initiated by the terminal are confirmed the type of service that the terminal is current.
Parameter area determination module 210 is used for confirming the corresponding idle time parameters scope of free time pattern according to predefined free time pattern and the corresponding relation of idle time parameters scope.
The idle time parameters scope that is provided with in advance need guarantee to cover the each SIB1 data block of sending in adjacent sub-district.
According to formula subframe (subframe)=gapOffset mod 10, can confirm the idle time parameters scope that is provided with.It is as shown in Figure 2,
When gapOffset (idle time parameters)=0, the initial subframe position that calculates gap is 0;
When gapOffset=5, the initial subframe position that calculates gap is 5.
When gapOffset＞5, as can be seen from Figure 2, gap just can not cover the delivery time of SIB1 data block.
Because SIB1 block of information is that the radio frames of even number is just sent at SFN only, therefore by formula S FN modT=FLOOR (gapOffset/10), T=4 or 8, the SFN value that calculates must be an even number.
According to above two conditions, no matter be gap pattern 0 or gap pattern 1, requiring gapOffset is even number divided by 10 merchant, and remainder is not more than 5.Therefore:
To gap pattern 0, the value of gapOffset is one or more in 0～5 and 20～25;
To gap pattern 1, the value of gapOffset is one or more in 0～5,20～25,40～45 and 60～65.
In the practical implementation process, parameter determination module 220 is selected an idle time parameters at random from the idle time parameters scope of confirming; Also can select from big to small or select from small to large by idle time parameters.
Need to prove that parameter determination module 220 selects the mode of idle time parameters to be not limited to aforesaid way, as long as can from the idle time parameters scope of confirming, select the mode of an idle time parameters all to be suitable for present embodiment.
Sending module 30 is used for sending the idle time parameters of selecting module 20 to select to the terminal.
The terminal just can calculate starter system frame number and the initial subframe number in this frame (being the initial moment of free time) of Gap according to the idle time parameters of receiving.
Wherein, embodiment of the invention base station can further include: trigger module 40.
After free time, check whether the free time of configuration satisfies predetermined conditions in definite terminal configuration, if free time of configuration can not read CGI the time, triggering selection module 20 is selected an idle time parameters.
In the practical implementation process; The free time at terminal is base station configuration; The configuration information (i.e. the free time of configuration) at all connected state terminals can be preserved in the base station; Can check whether preserve corresponding configuration information according to terminal iidentification like this, if preserve the content of then further checking configuration information.
Wherein, according to idle time parameters and free time pattern judge whether to read CGI.
Idle time parameters such as configuration is 12; Pattern is 0; Because the corresponding idle time parameters scope of pattern 0 is one or more in 0～5 and 20～25; The corresponding idle time parameters scope of pattern 1 is one or more in 0～5,20～25,40～45 and 60～65, and the idle time parameters of obvious above-mentioned configuration can not read CGI.
If the idle time parameters of configuration is 22, pattern is 1, can read CGI like this.Preferable, can also check the business that the terminal is current, be 22 such as the idle time parameters that disposes, pattern is 1, if current professional corresponding pattern is 1, then can read CGI; Otherwise, can not read CGI.
As shown in Figure 3, the embodiment of the invention confirms that the method for idle time parameters comprises the following steps:
An idle time parameters is selected in step 301, base station from pre-configured free time Gap parameter area.
The space interval parameter is pre-configured according to the delivery time of the SIB1 data block of adjacent sub-district.
Wherein, the free time pattern that the base station is corresponding according to the terminal from pre-configured idle time parameters scope, is selected an idle time parameters.
Free time, pattern was two patterns in the table 1, i.e. pattern 0 and pattern 1.And select module 20 from pattern 0 and pattern 1, to select a pattern at random as the corresponding free time pattern in terminal.Preferable, type of service that can be current according to the terminal is confirmed corresponding free time pattern, then step 301 can further include:
Step a301, the base station type of service current according to the terminal are confirmed corresponding free time pattern.
Type of service can have multiple, and is professional such as GBR, when current business is the GBR business at the terminal, confirms that corresponding free time pattern is a pattern 0;
When current business is not the GBR business at the terminal, confirm that correspondence free time pattern is pattern 0 or pattern 1.
Need to prove; Concrete what type of service of selecting; And the corresponding pattern of type of service is 0 or 1; Can set according to extraneous factors such as current network environment, network states, that is to say the content of type of service, type of service and free time pattern corresponding relation be not what fix.
In the practical implementation process, the type of service that the terminal is current is confirmed in speech or data service that the base station is initiated by the terminal.
Step b301, base station confirm the corresponding idle time parameters scope of free time pattern according to predefined free time pattern and the corresponding relation of idle time parameters scope.
The idle time parameters scope that is provided with in advance need guarantee to cover the each SIB1 data block of sending in adjacent sub-district.
According to formula subframe=gapOffset mod 10, can confirm the idle time parameters scope that is provided with.It is as shown in Figure 2,
When gapOffset=0, the initial subframe position that calculates gap is 0;
When gapOffset=5, the initial subframe position that calculates gap is 5.
When gapOffset＞5, as can be seen from Figure 2, gap just can not cover the delivery time of SIB1 data block.
Because SIB1 block of information is that the radio frames of even number is just sent at SFN only, therefore by formula S FN modT=FLOOR (gapOffset/10), T=4 or 8, the SFN value that calculates must be an even number.
According to above two conditions, no matter be gap pattern 0 or gap pattern 1, requiring gapOffset is even number divided by 10 merchant, and remainder is not more than 5.Therefore:
To gap pattern 0, the value of gapOffset is one or more in 0～5 and 20～25;
To gap pattern 1, the value of gapOffset is one or more in 0～5,20～25,40～45 and 60～65.
An idle time parameters is selected in step c301, base station from the idle time parameters scope of confirming.
In the practical implementation process, an idle time parameters is selected at random in the base station from the idle time parameters scope of confirming; Also can select from big to small or select from small to large by idle time parameters.
Need to prove that the mode of base station selected idle time parameters is not limited to aforesaid way, as long as can from the idle time parameters scope of confirming, select the mode of an idle time parameters all to be suitable for present embodiment.
The idle time parameters of selecting is sent in step 302, base station to the terminal.
The terminal just can calculate starter system frame number and the initial subframe number in this frame (being the initial moment of free time) of Gap according to the idle time parameters of receiving.
Wherein, can further include between step 300 and the step 301:
Confirm that the free time that the terminal does not dispose free time or configuration can not read the sub-district overall identification.
Concrete, the base station checks whether the terminal disposes free time after receiving physical-layer cell identifier, when not disposing free time at definite terminal, and a base station selected idle time parameters (being execution in step 301);
After free time, check whether the free time of configuration satisfies predetermined conditions in definite terminal configuration, if free time of configuration can not read CGI the time, a base station selected idle time parameters (being execution in step 301).
In the practical implementation process; The free time at terminal is base station configuration; The configuration information (i.e. the free time of configuration) at all connected state terminals can be preserved in the base station; Can check whether preserve corresponding configuration information according to terminal iidentification like this, if preserve the content of then further checking configuration information.
Wherein, according to idle time parameters and free time pattern judge whether to read CGI.
Idle time parameters such as configuration is 12; Pattern is 0; Because the corresponding idle time parameters scope of pattern 0 is one or more in 0～5 and 20～25; The corresponding idle time parameters scope of pattern 1 is one or more in 0～5,20～25,40～45 and 60～65, and the idle time parameters of obvious above-mentioned configuration can not read CGI.
If the idle time parameters of configuration is 22, pattern is 1, can read CGI like this.Preferable, can also check the business that the terminal is current, be 22 such as the idle time parameters that disposes, pattern is 1, if current professional corresponding pattern is 1, then can read CGI; Otherwise, can not read CGI.
As shown in Figure 4, the method for embodiment of the invention configuration idle time parameters comprises the following steps:
After step 400, terminal detect an adjacent area, report the PCI of this adjacent area to the base station.
After the PCI of adjacent area is received in step 401, base station, check according to PCI whether this adjacent area is the alien frequencies adjacent area, if then execution in step 402; Otherwise, jump out this flow process.
The current Gap that whether disposes in terminal is checked in step 402, base station, if then execution in step 403; Otherwise, execution in step 404.
An idle time parameters is selected in step 406, base station from the idle time parameters scope of confirming, and places measuring command to send to the terminal idle time parameters of selecting, and indicating terminal reads the CGI of adjacent area, and execution in step 408.
Measuring command is sent to the terminal in step 407, base station, and indicating terminal reads the CGI of adjacent area.
Free time in the initial moment is confirmed according to idle time parameters in step 408, terminal, and reads the CGI of adjacent area at one's leisure, and the CGI that reads is sent to the base station.
New neighboring BS relationship is created according to the CGI that receives in step 409, base station.
From the foregoing description, can find out: embodiment of the invention base station confirms that the corresponding adjacent sub-district of the physical-layer cell identifier PCI that comes self terminal of receiving is the adjacent sub-district of pilot frequency point; An idle time parameters is selected in said base station from pre-configured free time Gap parameter area, said space interval parameter is pre-configured according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; The idle time parameters of selecting is sent in said base station to the terminal.Because the Gap parameter of confirming; Can guarantee that for the situation of the adjacent sub-district of pilot frequency point the terminal can read the SIB1 data block of adjacent area; Thereby avoided owing to can't read the ANR operation failure that the SIB1 data block of adjacent area causes; Reduced because the ANR operation failure to the influence of QoS of customer, has improved user experience, and the efficient of ANR operation.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the method for a definite idle time parameters is characterized in that, this method comprises:
The base station confirms that the corresponding adjacent sub-district of the physical-layer cell identifier PCI that comes self terminal of receiving is the adjacent sub-district of pilot frequency point;
The free time pattern that said base station is corresponding according to said terminal; From the corresponding free time Gap parameter area of pre-configured free time pattern, select an idle time parameters; Said idle time parameters scope is to confirm according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; The condition that each numerical value in the said idle time parameters scope need satisfy is: the merchant divided by 10 is an even number, and remainder is not more than 5;
The idle time parameters of selecting is sent in said base station to said terminal.
2. the method for claim 1 is characterized in that, said free time pattern comprise pattern 0 and pattern 1.
3. the method for claim 1 is characterized in that, a said base station selected idle time parameters comprises:
The type of service that said base station is current according to said terminal is confirmed corresponding free time pattern;
The corresponding idle time parameters scope of said free time pattern is confirmed according to predefined free time pattern and the corresponding relation of idle time parameters scope in said base station;
An idle time parameters is selected in said base station from the idle time parameters scope of confirming.
4. method as claimed in claim 3 is characterized in that, said base station confirms that the free time pattern comprises:
Current business is to ensure when speed GBR is professional at said terminal in said base station, confirms that corresponding free time pattern is a pattern 0;
Current business is not when ensureing rate business at said terminal in said base station, confirms that correspondence free time pattern is pattern 0 or pattern 1.
5. like claim 2,3 or 4 described methods, it is characterized in that, said free time pattern and the corresponding relation of idle time parameters scope comprise:
Free time, pattern was that the corresponding idle time parameters scope of pattern 0 is one or more in 0～5 and 20～25;
Free time, pattern was that the corresponding idle time parameters scope of pattern 1 is one or more in 0～5,20～25,40～45 and 60～65.
6. the method for claim 1 is characterized in that, after physical-layer cell identifier is received in said base station, selects also to comprise before the idle time parameters:
Confirm that the free time that said terminal does not dispose free time or configuration can not read the sub-district overall identification.
7. a base station is characterized in that, this base station comprises:
Receiver module is used to receive the physical-layer cell identifier PCI of self terminal;
Select module; When being used in the corresponding adjacent sub-district of said PCI being the adjacent sub-district of pilot frequency point; From the corresponding free time Gap parameter area of pre-configured free time pattern; Select an idle time parameters, said idle time parameters scope is to confirm according to the delivery time of adjacent system information of subdistricts block type 1SIB1 data block; Each numerical value in the said idle time parameters scope need satisfy condition: the merchant divided by 10 is an even number, and remainder is not more than 5;
Sending module is used for sending the idle time parameters of selecting to the terminal.
8. base station as claimed in claim 7 is characterized in that, said free time pattern comprise pattern 0 and pattern 1.
9. base station as claimed in claim 7 is characterized in that, said selection module comprises:
The pattern determination module is used for the type of service current according to said terminal, confirms corresponding free time pattern;
The parameter area determination module is used for confirming the corresponding idle time parameters scope of said free time pattern according to predefined free time pattern and the corresponding relation of idle time parameters scope;
The parameter determination module is used for selecting an idle time parameters from the idle time parameters scope of confirming.
10. base station as claimed in claim 9 is characterized in that, said pattern determination module is used for:
Current business is to ensure that speed GBR is professional at said terminal, confirms that corresponding free time pattern is a pattern 0;
Current business is not to ensure rate business at said terminal, confirms that correspondence free time pattern is pattern 0 or pattern 1.
11. like claim 8,9 or 10 described base stations, it is characterized in that, said free time pattern and the corresponding relation of idle time parameters scope comprise:
Free time, pattern was that the corresponding idle time parameters scope of pattern 0 is one or more in 0～5 and 20～25;
Free time, pattern was that the corresponding idle time parameters scope of pattern 1 is one or more in 0～5,20～25,40～45 and 60～65.
12. base station as claimed in claim 7 is characterized in that, said base station also comprises:
Trigger module; Be used for after said receiver module is received physical-layer cell identifier; Said selection module is selected before the idle time parameters, when confirming that free time that said terminal does not dispose free time or configuration can not be read the sub-district overall identification, triggers said selection module.
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| WO2014161178A1 (en) * | 2013-04-03 | 2014-10-09 | 华为技术有限公司 | Method and device for measuring inter-frequency cell |
| CN109041106B (en) * | 2017-06-09 | 2020-07-24 | 展讯通信（上海）有限公司 | Measurement configuration method, device, user terminal and computer readable storage medium |
| WO2019196098A1 (en) * | 2018-04-13 | 2019-10-17 | Qualcomm Incorporated | Measurement configuration for global cell identifier reporting |
| CN112566151B (en) * | 2019-09-26 | 2022-04-29 | 大唐移动通信设备有限公司 | Message sending method and base station |
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