CN103582049B - A kind of method and apparatus for realizing frequency point priority information inheritance - Google Patents
A kind of method and apparatus for realizing frequency point priority information inheritance Download PDFInfo
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- CN103582049B CN103582049B CN201210249110.2A CN201210249110A CN103582049B CN 103582049 B CN103582049 B CN 103582049B CN 201210249110 A CN201210249110 A CN 201210249110A CN 103582049 B CN103582049 B CN 103582049B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005484 gravity Effects 0.000 claims abstract description 32
- 238000011282 treatment Methods 0.000 claims abstract description 32
- 239000013589 supplement Substances 0.000 claims abstract description 11
- 238000011156 evaluation Methods 0.000 claims description 57
- 238000012545 processing Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 210000004027 cell Anatomy 0.000 description 63
- 230000011664 signaling Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The invention discloses a kind of inheritance methods and device for realizing frequency point precedence information, when standard variation occurs, generate and inherit residing cell after information and sending changes to standard；Supplement frequency point precedence information gravity treatment relevant parameter corresponding in residing cell after standard variation；The frequency point precedence information for inheriting residing cell before message includes standard variation.The present invention realizes the technology of frequency point priority information inheritance, provides complete feasible scheme for the frequency point priority information inheritance after standard gravity treatment, and can be based on the cell reselection after this realization standard gravity treatment.
Description
Technical field
The present invention relates to the communications fields, and in particular to a kind of method and apparatus for realizing frequency point priority information inheritance.
Background technology
When UE (user equipment) is powered on and selects a public land mobile network (PLMN, Public Land Mobile
Network after), UE starts to find that suitable cell is resident, this process is called cell selection in this PLMN, currently resident
Cell is known as serving cell.After being resident a period of time in the cell, the movement due to user equipment or network signal quality variation
Etc. reasons, serving cell may not be able to meet in resident requirement or adjacent area have cell more better than current service cell for
It is resident, cell reselection process will be initiated at this time.
By taking TDD-CDMA system (TD-SCDMA) as an example, when detection is used for the cell of gravity treatment, need to apply
System information block (Sib, System information block) to cell is broadcasted, wherein including mainly：Contain same frequency, different
Frequently, the Sib11/12 of GSM standards (RAT) cell, and increase comprising including LTE (LTE, Long Term Evoluted) standard
Various standards frequency point precedence information Sib19.The frequency point precedence information includes mainly that frequency point information and frequency point are excellent
First grade and some and the relevant parameter of reselection evaluation.
Under TD there are mainly two types of the assessment modes of cell reselection, one is do not receiving the (letters of Sib type (type) 19
Claim Sib 19) in the case of common cell reselection evaluation, another is commented in the frequency point priority for receiving Sib19
Estimate.Common cell reselection evaluation calculates the R values of cell under various standards primarily directed to the cell measurement in Sib11/12,
The R values cell bigger than the R values of serving cell is used for cell reselection.Frequency point priority assessment is primarily referred to as advising according in Sib19
The priority of frequency point under the various standards drawn, selection have highest frequency point in the case where cell S values meet reselection evaluation threshold condition
The best cell of priority.
The agreement of description according to to(for) cell reselection, when standard gravity treatment will occur (such as from TD standards cell reselection to
Other standard cells or from other standard cell reselections to TD standards cell), need the various systems that will be received under former resident standard
To be continuing under the frequency point priority information inheritance of formula to new persistent district, but at present in agreement for cell weight between standard
The description inherited after choosing is simultaneously indefinite.
Invention content
In view of this, the main purpose of the present invention is to provide a kind of inheritance methods and dress for realizing frequency point precedence information
It sets, complete feasible scheme is provided for the frequency point priority information inheritance after standard gravity treatment.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of inheritance method for realizing frequency point precedence information, this method include：
When standard variation occurs, it is preferential to inherit frequency point to generate residing cell after inheriting information and sending to standard variation
Grade information；Supplement frequency point precedence information gravity treatment relevant parameter corresponding in residing cell after standard variation；
It is described to inherit the frequency point precedence information that message includes residing cell before standard variation.
Generating the method for inheriting residing cell after information and sending changes to standard is：
The first standard reselection evaluation taskings in user equipment (UE) for standard before variation include the frequency of various standards
Point precedence information and effective time information succession message, and by the succession message be sent to for variation after standard second
Standard reselection evaluation task.
It is described inherit frequency point precedence information method be：
Frequency point precedence information in the succession message received is saved in global data by the second standard reselection evaluation task
The status set of frequency point priority is special state by Qu Zhong.
The method for supplementing the gravity treatment relevant parameter is：
If the frequency point contained in the frequency point precedence information of succession is present in system information, by the frequency in system information
In information supplement to the frequency point precedence information of succession under point.
Information in the system information under the frequency point includes S values calculating parameter and reselection evaluation thresholding.
After inheriting the frequency point precedence information, this method further includes：
Start the succession timer for the effective time for showing frequency point precedence information, is utilized before succession timer expiry described
The frequency point precedence information of succession carries out cell reselection evaluation, and all frequency points that succession is then removed after succession timer expiry are preferential
Grade information uses the frequency point precedence information in system information to carry out cell reselection evaluation again.
This method further includes：First determine whether currently whether use special frequency point priority, is using special frequency point priority
In the case of, carry out the subsequent operation including generating the succession message.
A kind of legacy devices for realizing frequency point precedence information, the device include inheriting message processing unit, reselection evaluation
Unit；Wherein,
The succession message processing unit, for when standard variation occurs, generating succession information and sending and becoming to standard
Residing cell is to inherit frequency point precedence information after change；
The reselection evaluation unit, for supplementing the frequency point precedence information, institute is right in residing cell after standard variation
The gravity treatment relevant parameter answered；
It is described to inherit the frequency point precedence information that message includes residing cell before standard variation.
The succession message processing unit is used in residing cell after generating succession information and sending and changing to standard：
It triggers excellent for frequency point of the first standard reselection evaluation taskings comprising various standards of standard before variation in UE
The succession message of first grade information and effective time information, and the succession message is sent to the second standard for standard after variation
Reselection evaluation task.
When inheriting frequency point precedence information, the second standard reselection evaluation task is used for：
Frequency point precedence information in the succession message received is saved in global data area, by the shape of frequency point priority
State set is special state.
The reselection evaluation unit is used for when supplementing the gravity treatment relevant parameter：
If the frequency point contained in the frequency point precedence information of succession is present in system information, by the frequency in system information
In information supplement to the frequency point precedence information of succession under point.
Information in the system information under the frequency point includes S values calculating parameter and reselection evaluation thresholding.
The device further includes the succession timer for the effective time for showing frequency point precedence information, the succession timer after
Start after holding the frequency point precedence information；
The reselection evaluation unit, for before inheriting timer expiry utilize the succession frequency point precedence information into
Row cell reselection evaluation then removes all frequency point precedence informations of succession after inheriting timer expiry, uses system to believe again
Frequency point precedence information in breath carries out cell reselection evaluation.
The succession message processing unit is additionally operable to：First determine whether currently whether use special frequency point priority, is using
In the case of special frequency point priority, the subsequent operation including generating the succession message is carried out.
The present invention realizes the technology of frequency point priority information inheritance, for the frequency point priority information inheritance after standard gravity treatment
Complete feasible scheme is provided, and can be based on the cell reselection after this realization standard gravity treatment.
Description of the drawings
Fig. 1 is the flow chart that the embodiment of the present invention realizes frequency point priority information inheritance；
Fig. 2 is the general flow chart that the embodiment of the present invention realizes frequency point priority information inheritance；
Fig. 3 is the installation drawing that the embodiment of the present invention realizes frequency point priority information inheritance；
Fig. 4 is the structural schematic diagram of the frequency point priority of the embodiment of the present invention.
Specific implementation mode
In practical applications, it is related to the frequency point priority information inheritance of reuse adoption process between standard (such as from GSM standard gravity treatments
To the frequency point priority information inheritance of LTE standards, or from the frequency point priority information inheritance after other standard gravity treatments to TD, or from
Frequency point priority information inheritance etc. of the TD gravity treatments to other standards), it can apply the technology contents being described below.In the following, only
It is described by taking TD as an example.
TD inherits the frequency point precedence information of other standards：
When UE is from other standard gravity treatments to TD standards, after judging the success of TD cell re-selection conditions, UE can be resident.It opens
Before the measurement of dynamic TD standard serving cells, judge the succession message that gravity treatment is come from other standards whether is received under TD standards, if
Succession message is received, then UE removes the local frequency point precedence information preserved first, according to local frequency point priority list
The frequency point precedence information inherited from succession message is saved in global data area by structure.
The protocol stack of UE reads the frequency point precedence information in Sib19, traverses the frequency point prioritized item of wherein various standards,
If in the global data area that the corresponding frequency point of frequency point priority traversed is preserved before being present in when inheriting, use
Parameter in Sib19 under the frequency point is filled into global data area frequency point priority list item (only to be contained due to inheriting in message
Frequency point priority and frequency point information, without containing letters such as the required S values calculating parameter information of reselection evaluation and reselection evaluation thresholdings
Breath, it is therefore desirable to these information be supplemented according to Sib19, while having ignored to be present in Sib19 and may be not present in succession message
In frequency point).
After the completion of frequency point precedence information preserves, UE can start the succession timer for showing to inherit message lifecycle,
Before inheriting timer expiry cell reselection is carried out according to the frequency point prioritized item inherited.
After inheriting timer expiry, the frequency point priority that UE does not use succession carries out cell reselection, deletes local frequency
Point priority list, re-read the frequency point priority in Sib19, using various standards in Sib19 frequency point priority again
Carry out cell reselection.
TD provides frequency point precedence information and is inherited for other standards：
After from the gravity treatment of TD standards to other standards, UE, which needs to provide from TD, inherits message to other standards, it is necessary first to
Judge not inherit if without using special frequency point priority whether using special frequency point priority (net side configuration determines) currently.
Using special frequency point priority, the current frequency point precedence information locally preserved is filled into succession and disappeared by UE needs
In breath.It needs to stop the succession timer under TD simultaneously, the remaining time for calculating succession timer, (timer total duration subtracted fixed
When device operation duration at TD), the remaining time being calculated is inserted and is inherited in message, to inherit frequency point priority
The timer is continued to run with when information.
Flow shown in Figure 1, wherein for UE issues the inherited information of TD after other standard gravity treatments to TD, after
The frequency point information containing multiple types in message is held, this is sentenced for processing LTE standards frequency point information therein.As seen from Figure 1,
The frequency point precedence information for the former standard inherited in message can be saved in local frequency point priority list；Later, it reads
System information Sib19 is decoded in message structure body therein and is held；The frequency point information stored in traversal Sib19, if traversing completion
Complete information preservation；Otherwise, the frequency point information under local frequency point prioritized item is traversed, it is identical as Sib19 intermediate-frequeney points until finding
Frequency point traverse next frequency point in Sib19 if can not find.If the frequency point in Sib19 is present in local frequency point priority
In list, then gravity treatment relevant parameter in Sib19 information under the frequency point is preserved to the corresponding positions in local frequency point priority list
It sets.
After the frequency point in having traversed all Sib19, flow terminates.
Specifically, when cells of the UE from the cell reselection of standard A to standard B and it is resident when, can be handled as follows：
1, for UE when cell 1 is resident at standard A, the standard A reselection evaluations task run in UE can receive the various of network
Standard frequency point precedence information is for the assessment of gravity treatment, and there are two types of the sources of frequency point precedence information：One kind is contained within extensively
In the network system information broadcast, this frequency point precedence information is saved in the global data area of standard A reselection evaluation tasks by UE,
And the frequency point priority state recorded at this time is system information state.Another is contained in the network-specific signaling of transmission,
The frequency point precedence information in global data area is then deleted when receiving the dedicated signaling.It can be preferential with the frequency point in dedicated signaling
Based on grade information, while the state for using the system information under standard A cells 1 for supplement, and recording frequency point priority is special
State.It should be noted that the dedicated signaling of network has timeliness, and when given time time-out, standard A reselection evaluation tasks
The frequency point precedence information preserved in global data area will be deleted, re-read and preserves the letter of the frequency point priority in system information
Breath, and frequency point priority state is put back into system information state；
2, it assesses the cell 2 under current standard B when the standard A reselection evaluation tasks run in UE and meets reselection conditions, i.e.,
When by cell 2 under gravity treatment to standard B, need the frequency point precedence information under this standard of tissue for wait for resident standard after
It holds.The standard A reselection evaluation tasks of UE first determine whether current frequency point priority state is in special state, if in special
State then needs the frequency point precedence information stored in the global data area of the current standard A reselection evaluation tasks of tissue for other
Standard is inherited, on the contrary then need not inherit；
If 3, judging to need to inherit, need the frequency point stored in the global data area of standard A reselection evaluation tasks is excellent
First grade information carries out tissue (such as according to the structure of standard-frequency point-priority), while will be special under standard A reselection evaluation tasks
It is subtracted after the time that brought forward is spent to obtain special state frequency point priority remaining time, as succession with state frequency point priority time
To the effective time of standard B；
4, standard A reselection evaluations task believes the frequency point precedence information comprising various standards organized and effective time
The succession message of breath is sent to standard B reselection evaluation tasks；
5, UE gravity treatments to standard B cell 2 and it is resident after, come from when the standard B reselection evaluation tasks discovery of UE receives
When the succession message of other standards, the frequency point precedence information inherited in message is saved in standard B reselection evaluation tasks first
Global data area in, by the status set of frequency point priority be special state.Only contain under various standards due to inheriting in message
Frequency point and its precedence information, lack and calculate (the more preferable important ginseng of cell evaluation of cell S values under each standard frequency point in reselection evaluation
Number) call parameter and reselection evaluation thresholding etc., it is therefore desirable to supplemented from the system information under current standard.Specific Principles
It is：It, will be under the frequency point in system information if the frequency point contained in the frequency point precedence information of succession is present in system information
Information added in the frequency point precedence information of succession (comprising S values calculating parameter and reselection evaluation thresholding)；
6, at standard B, frequency point precedence information is supplemented to entirely according to the frequency point precedence information and system information of succession
Behind office data area, it is also necessary to start the succession timer for showing effective time.Above-mentioned succession is utilized before inheriting timer expiry
Frequency point precedence information carries out cell reselection evaluation, and all frequency point priority letter of succession is then removed after succession timer expiry
Breath uses the frequency point precedence information in system information to carry out cell reselection evaluation again.
In conjunction with the description of the above technology it is found that the present invention realizes that the operation thinking of frequency point priority information inheritance can indicate such as
Flow shown in Fig. 2, the flow include the following steps：
Step 210：When standard to be occurred changes, generates and inherit residing cell after information and sending changes to standard；Institute
State the frequency point precedence information for inheriting residing cell before message includes standard variation.
Step 220：It is related to supplement frequency point precedence information gravity treatment corresponding in residing cell after standard variation
Parameter.
In order to ensure that above-mentioned technology description and operation thinking can be realized smoothly, setting as shown in Figure 3 can be carried out.
Referring to Fig. 3, Fig. 3 is the installation drawing that the embodiment of the present invention realizes frequency point priority information inheritance, which includes that can be connected
Inherit message processing unit, reselection evaluation unit.
In practical application, when standard to be occurred changes, it is concurrent that succession message processing unit can generate succession message
It is sent to residing cell after standard changes；The frequency point precedence information for inheriting residing cell before message includes standard variation.
Reselection evaluation unit can then supplement frequency point precedence information gravity treatment phase corresponding in residing cell after standard variation
Related parameter.
It includes two parts to inherit message：Frequency point precedence information and effective time.Wherein effective time is that frequency point is preferential
The remaining available duration of grade.The structure of frequency point priority uses standard-frequency point-priority structure, sees Fig. 4.
In summary as it can be seen that either method or device, the present invention realize the technology of frequency point priority information inheritance, needle
Complete feasible scheme provided to the frequency point priority information inheritance after standard gravity treatment, and after this realization standard gravity treatment can be based on
Cell reselection.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (12)
1. a kind of inheritance method for realizing frequency point precedence information, which is characterized in that this method includes：
When standard variation occurs, residing cell is to inherit frequency point priority letter after generating succession information and sending to standard variation
Breath；Supplement frequency point precedence information gravity treatment relevant parameter corresponding in residing cell after standard variation；
It is described to inherit the frequency point precedence information that message includes residing cell before standard variation；
The method of residing cell is after the generation succession information and sending changes to standard：
The first standard reselection evaluation taskings in user equipment (UE) for standard before variation include that the frequency point of various standards is excellent
The succession message of first grade information and effective time information, and the succession message is sent to the second standard for standard after variation
Reselection evaluation task.
2. according to the method described in claim 1, it is characterized in that, the method for inheriting frequency point precedence information is：
Frequency point precedence information in the succession message received is saved in global data area by the second standard reselection evaluation task,
It is special state by the status set of frequency point priority.
3. according to the method described in claim 1, it is characterized in that, the method for supplementing the gravity treatment relevant parameter is：
It, will be under the frequency point in system information if the frequency point contained in the frequency point precedence information of succession is present in system information
Information supplement to the frequency point precedence information of succession in.
4. according to the method described in claim 3, it is characterized in that, the information in the system information under the frequency point includes S values
Calculating parameter and reselection evaluation thresholding.
5. method according to claim 1 to 4, which is characterized in that after inheriting the frequency point precedence information,
This method further includes：
Start the succession timer for the effective time for showing frequency point precedence information, the succession is utilized before inheriting timer expiry
Frequency point precedence information carry out cell reselection evaluation, inherit timer expiry after then remove succession all frequency point priority letter
Breath uses the frequency point precedence information in system information to carry out cell reselection evaluation again.
6. according to the method described in claim 1, it is characterized in that, this method further includes：It first determines whether current whether using special
It is carried out follow-up including generating the succession message using special frequency point priority with frequency point priority
Operation.
7. a kind of legacy devices for realizing frequency point precedence information, which is characterized in that the device include inherit message processing unit,
Reselection evaluation unit；Wherein,
The succession message processing unit is used to, when standard variation occurs, generate after inheriting information and sending to standard variation
Residing cell is to inherit frequency point precedence information；
The succession message processing unit is additionally operable in residing cell after generating succession information and sending and changing to standard：
The first standard reselection evaluation taskings in triggering UE for standard before variation include the frequency point priority of various standards
The succession message of information and effective time information, and the succession message is sent to the second standard gravity treatment for standard after variation
Assessment task；
The reselection evaluation unit, for supplement the frequency point precedence information after standard variation in residing cell it is corresponding
Gravity treatment relevant parameter；
It is described to inherit the frequency point precedence information that message includes residing cell before standard variation.
8. device according to claim 7, which is characterized in that when inheriting frequency point precedence information, second standard
Reselection evaluation task is used for：
Frequency point precedence information in the succession message received is saved in global data area, the state of frequency point priority is set
Position is special state.
9. device according to claim 7, which is characterized in that the reselection evaluation unit is supplementing the gravity treatment correlation ginseng
When number, it is used for：
It, will be under the frequency point in system information if the frequency point contained in the frequency point precedence information of succession is present in system information
Information supplement to the frequency point precedence information of succession in.
10. device according to claim 9, which is characterized in that the information in the system information under the frequency point includes S values
Calculating parameter and reselection evaluation thresholding.
11. device according to any one of claims 7 to 10, which is characterized in that the device further includes showing that frequency point is excellent
The succession timer of the effective time of first grade information, the succession timer start after inheriting the frequency point precedence information；
The reselection evaluation unit is small for being carried out using the frequency point precedence information of the succession before inheriting timer expiry
Area's reselection evaluation is then removed all frequency point precedence informations of succession after inheriting timer expiry, is used in system information again
Frequency point precedence information carry out cell reselection evaluation.
12. device according to claim 7, which is characterized in that the succession message processing unit is additionally operable to：It first determines whether
It is current whether to use special frequency point priority, using special frequency point priority, carry out including generating the succession
Subsequent operation including message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249110.2A CN103582049B (en) | 2012-07-18 | 2012-07-18 | A kind of method and apparatus for realizing frequency point priority information inheritance |
| PCT/CN2013/077928 WO2014012419A1 (en) | 2012-07-18 | 2013-06-25 | Method and device for realizing frequency point priority information inheritance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210249110.2A CN103582049B (en) | 2012-07-18 | 2012-07-18 | A kind of method and apparatus for realizing frequency point priority information inheritance |
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| CN114007247A (en) * | 2020-07-28 | 2022-02-01 | 深圳市中兴微电子技术有限公司 | Method, device, equipment and storage medium for determining cell reselection evaluation frequency |
| US11792712B2 (en) | 2021-12-23 | 2023-10-17 | T-Mobile Usa, Inc. | Cell reselection priority assignment based on performance triggers |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841875A (en) * | 2009-03-16 | 2010-09-22 | 中兴通讯股份有限公司 | Realization method and realization device for cell reselection |
| CN102202265A (en) * | 2011-06-10 | 2011-09-28 | 电信科学技术研究院 | Cell reselection method and equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008112255A2 (en) * | 2007-03-13 | 2008-09-18 | Interdigital Technology Corporation | Cell reselection process for wireless communications |
| CN102238483B (en) * | 2011-07-08 | 2013-12-25 | 电信科学技术研究院 | Cell reselecting method and equipment |
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2012
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841875A (en) * | 2009-03-16 | 2010-09-22 | 中兴通讯股份有限公司 | Realization method and realization device for cell reselection |
| CN102202265A (en) * | 2011-06-10 | 2011-09-28 | 电信科学技术研究院 | Cell reselection method and equipment |
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| CN103582049A (en) | 2014-02-12 |
| WO2014012419A1 (en) | 2014-01-23 |
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