CN102833780A - Access processing method and device - Google Patents
Access processing method and device Download PDFInfo
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- CN102833780A CN102833780A CN2011101636928A CN201110163692A CN102833780A CN 102833780 A CN102833780 A CN 102833780A CN 2011101636928 A CN2011101636928 A CN 2011101636928A CN 201110163692 A CN201110163692 A CN 201110163692A CN 102833780 A CN102833780 A CN 102833780A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The invention discloses an access processing method and an access processing device. The method comprises the following steps that: a source cell sends a switching request message to a target cell, wherein information for indicating signal quality of a mobile in the target cell is carried in the switching request message; and the target cell judges whether to meet the access requirement according to the switching request message. By the access processing method and the access processing device which are disclosed by the invention, the accuracy that the terminal accesses the target cell is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of access processing method and device.
Background technology
In wireless communication system, for example, long evolving system (Long Term Evolution; Abbreviate LTE as), terminal or be called subscriber equipment (User Equipment abbreviates UE as) in the process that moves; The source Serving cell or abbreviate the signal quality of cell-of-origin (Serving Cell) as may variation; In order to satisfy quality of services for users, UE need switch, and switches to the Target cell (Target Cell) that the better services quality can be provided.
In handoff preparation phase, whether the acceptance judging of this UE is done in source Serving cell meeting notification target sub-district, have enough resources to admit this UE to determine this Target cell.Because in the wireless communication system, Radio Resource is the most valuable, so this acceptance judging is that whether to satisfy this UE with the resource of eating dishes without rice or wine be judgment condition.
But, can't accomplish accurate admittance in the prior art, just can't offer the resource that UE accurately needs, if provide many, be a kind of waste to resource, if provide few, the probability that error code appears in access procedure can rise, thereby influences the access of UE.
Summary of the invention
Main purpose of the present invention is to provide a kind of access processing method and device, to address the above problem at least.
According to an aspect of the present invention, a kind of access processing method is provided, has comprised: handoff request message is sent to Target cell in the cell-of-origin, wherein, carries in the said handoff request message and is used for the information of indicating terminal at the signal quality of said Target cell; Whether said Target cell can satisfy the access requirement according to the said Target cell of said handoff request message determining.
Said cell-of-origin is sent said handoff request message to said Target cell and drawn together: the cell-of-origin judges whether that according to said information needs insert said Target cell; In judged result is under the situation that is, handoff request message is sent to said Target cell in said cell-of-origin.
Before said Target cell sent said handoff request message, said method also comprised in said cell-of-origin: said cell-of-origin receives the measurement report of said terminal to report, wherein, carries said information in the said measurement report.
Whether said Target cell can satisfy to insert according to the said Target cell of said handoff request message determining requires to comprise: whether said Target cell satisfies the access requirement according to the signal quality of the said Target cell of said handoff request message determining.
Said information comprise following one of at least: reference signaling received power, the reference signaling quality of reception.
Whether said Target cell can satisfy to insert according to the said Target cell of said handoff request message determining requires to comprise: said Target cell is confirmed modulation coding mode MCS according to the said reference signaling received power and/or the said reference signaling quality of reception; Said Target cell confirms to insert the required Resource Block PRB of Target cell according to said MCS; Resource Block and the said Target cell remaining PRB required according to the said Target cell of said access compare, and judge whether said Target cell satisfies the access requirement.
A kind of access processing unit is provided according to a further aspect in the invention; Comprise: sending module; Be positioned at the base station at place, cell-of-origin; Be used for sending handoff request message, wherein, carry in the said handoff request message and be used for the information of indicating terminal at the signal quality of said Target cell to Target cell; First judge module is positioned at the base station that said Target cell belongs to, and is used for whether can satisfying the access requirement according to the said Target cell of said handoff request message determining.
Also comprise: second judge module, be positioned at the base station that said cell-of-origin belongs to, be used for judging whether that according to said information needs insert said Target cell, be under the situation that is in judged result, said sending module sends handoff request message to said Target cell.
Also comprise: receiver module, be positioned at the base station that said cell-of-origin belongs to, be used to receive the measurement report of said terminal to report, wherein, carry said information in the said measurement report.
Said first judge module is used for whether satisfying the access requirement according to the signal quality of the said Target cell of said handoff request message determining.
Comprise in said information: under the situation of the reference signaling received power and/or the reference signaling quality of reception; Said first judge module comprises: first confirms the unit, is used for said Target cell and confirms modulation coding mode MCS according to the said reference signaling received power and/or the said reference signaling quality of reception; Second confirms the unit, is used for said Target cell and confirms to insert the required Resource Block of Target cell according to said MCS; Comparing unit is used for comparing according to the said Target cell of said access required Resource Block and the remaining Resource Block of said Target cell, judges whether said Target cell satisfies the access requirement.
Through the present invention, adopt the cell-of-origin to send handoff request message to Target cell, wherein, carry in this handoff request message and be used for the information of indicating terminal at the signal quality of Target cell; Whether Target cell can satisfy the access requirement according to this this Target cell of handoff request message determining.Solve in the prior art UE to a certain extent and can't accurately insert Target cell or insert the waste problem of resource, and then improved the accuracy that UE inserts Target cell.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the access processing method of the embodiment of the invention;
Fig. 2 is the structural representation according to the access processing unit of the embodiment of the invention;
Fig. 3 is the structural representation according to the preferred access processing unit of the embodiment of the invention;
Fig. 4 is the structural representation according to first judge module in the preferred access processing unit of the embodiment of the invention;
Fig. 5 is a flow chart of admitting the terminal according to the use signal quality information of the embodiment of the invention;
Fig. 6 is a flow chart of admitting failure according to the use signal quality information of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
In following examples, consider that wireless resource allocation in the wireless communication system is that radio signal quality along with this UE changes and changes.For example, if the coded system that the initial admittance of switching is adopted is lower than the coded system of actual needs, the Radio Resource that needs so will be more than the resource of actual needs, admit success rate to be affected like this, thereby influence handover success rate; If adopted the coded system higher than actual needs, will cause the error rate to rise so, also can influence success rate for switching.Do not recognize that in the prior art the UE radio signal quality can exert an influence to switching; Therefore; In present protocol infrastructure; Target cell of the prior art do not have open yet or provides Target cell to obtain the enlightenment that the signal quality of this UE under Target cell inserts judgement, so can't be admitted to UE accurately.
In the present embodiment, a kind of access processing method is provided, Fig. 1 is the flow chart according to the access processing method of the embodiment of the invention, and is as shown in Figure 1, and this method comprises the steps:
Step S102; Handoff request message is sent to Target cell in the cell-of-origin; Wherein, carry in this handoff request message be used for indicating terminal the information of the signal quality of Target cell (for example, this information comprise following one of at least: reference signaling received power (Reference Signal Received Power; Abbreviate RSRP as), the reference signaling quality of reception (Reference Signal Received Quality abbreviates RSRQ as)).
Step S104, whether Target cell can satisfy the access requirement according to handoff request message determining Target cell.
Through above step, at the signal quality information of Target cell, judge through this signal quality information whether Target cell satisfies the access requirement, thereby improve the access accuracy of UE through carried terminal in handoff request message.
In a more excellent execution mode, Target cell can rule of thumb insert judgement to the terminal, and can there be certain blindness in this judgment mode.Another one preferred embodiment in, the terminal can obtain really the signal quality at Target cell, thereby for Target cell provides the accurate foundation of judgement, improves the accuracy that inserts.For example, the terminal can report the signal quality of Target cell through the mode of measurement report, and promptly the receiving terminal measurement report that reports in cell-of-origin wherein, carries the signal quality information of terminal at Target cell in the measurement report.Certainly the cell-of-origin also can report through other mode; For example; The cell-of-origin send to obtain the request message of terminal at the Target cell signal quality to the terminal, perhaps the message of the terminal periodic property transmission SOT state of termination (this SOT state of termination comprises the information of terminal at the signal quality of Target cell) etc.
In the another one preferred implementation; The cell-of-origin is after the signal quality of the Target cell that gets access to terminal to report; Can judge to which Target cell according to the signal quality of Target cell and send handoff request message; Be that the cell-of-origin can once be judged according to the signal quality of Target cell: judging whether that according to information needs insert Target cell, is under the situation that is in judged result, and handoff request message is sent to Target cell in the cell-of-origin.This preferred embodiment helps selecting the better Target cell of signal quality.
When enforcement, whether more excellent ground, Target cell can satisfy to insert according to handoff request message determining Target cell requires to comprise: whether Target cell satisfies the access requirement according to the signal quality of this handoff request message determining Target cell.Comprise at this signal quality under the situation of the reference signaling received power and/or the reference signaling quality of reception, whether Target cell can satisfy to insert according to handoff request message determining Target cell requires to comprise: Target cell is confirmed modulation coding mode MCS according to the reference signaling received power and/or the reference signaling quality of reception; Target cell confirms to insert the required Resource Block PRB of Target cell according to MCS; Resource Block and the Target cell remaining PRB required according to the access Target cell compare, and judge whether Target cell satisfies the access requirement.This preferred implementation can make the access judgement of Target cell more tally with the actual situation.
Need to prove that above-mentioned preferred implementation can be combined to form various embodiment each other.
In the present embodiment, a kind of access processing unit is provided also, employed like following examples, the combination of the software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software; But hardware; Perhaps the realization of the combination of software and hardware also maybe and be conceived; In addition, said in the present embodiment cell-of-origin and Target cell can belong to same base station and also can belong to different base stations.
Fig. 2 is the structural representation according to the access processing unit of the embodiment of the invention; As shown in Figure 2; This device comprises: the sending module 22 and first judge module 24, and wherein, this sending module 22 is arranged in the base station at place, cell-of-origin; First judge module 24 is positioned at the base station at Target cell place, describes in the face of this device down.
Sending module 22 is used for sending handoff request message to Target cell, wherein, carries in this handoff request message and is used for the information of indicating terminal at the signal quality of Target cell; Preferably, this information comprise following one of at least, reference signaling received power, the reference signaling quality of reception.
First judge module 24 is used for whether can satisfying the access requirement according to this handoff request message determining Target cell.Preferably, this first judge module 24 is used for whether satisfying the access requirement according to the signal quality of handoff request message determining sub-district.
In the present embodiment; A kind of preferred access processing unit also is provided; Fig. 3 is the structural representation according to the preferred access processing unit of the embodiment of the invention; As shown in Figure 3, this device comprises: sending module 22, second judge module 32 and receiver module 34 (second judge module 32 is positioned at the base station that the cell-of-origin belongs to receiver module 34) and first judge module 24 describe in the face of this device down.
Second judge module 32 is used for judging whether that according to information needs insert Target cell, is under the situation that is in judged result, and sending module sends handoff request message to Target cell; Receiver module 34 is used for the measurement report that receiving terminal reports, and wherein, carries information in the measurement report.
In the present embodiment; In the information that handoff request message is carried, comprise: under the situation of the reference signaling received power and/or the reference signaling quality of reception; The structural representation of first judge module in a kind of preferred access processing unit also is provided; Fig. 4 is the structural representation according to first judge module in the preferred access processing unit of the embodiment of the invention; As shown in Figure 4, this structure comprises: first confirms unit 42, second definite unit 44 and the comparing unit 46, describes in the face of this structure down.
First confirms unit 42, is used for Target cell and confirms modulation coding mode MCS according to the reference signaling received power and/or the reference signaling quality of reception;
Second confirms unit 44, is connected to first and confirms unit 42, is used for Target cell and confirms to insert the required Resource Block of Target cell according to above-mentioned MCS;
Comparing unit 46 is connected to second and confirms unit 44, is used for comparing according to above-mentioned access Target cell required Resource Block and the remaining Resource Block of Target cell, judges whether Target cell satisfies the access requirement.
Describe in the face of a preferred embodiment down, the preferred embodiment has combined the foregoing description and preferred implementation.
In this preferred embodiment, proposed in handoff preparation phase, the signal quality of the Target cell that obtains in the source UE during Serving cell brings Target cell, realizes that Target cell admits more accurately.This preferred embodiment is with the example that switches to of X2; Through revising the handoff request message in 3GPP TS 36423 agreements, make its portability signal quality, Target cell is realized more effective admittance; This will help to improve the success rate of admittance, further improve handover success rate.
The field list of the table 1 characterization signal quality that to be UE newly-increased in handoff request message obtain at Target cell.
Table 1
In table 1, introduced the interface element of characterization signal quality: terminal signal quality cell (UE Quality Info IE).Mainly refer to the reference signaling received power (Reference Signal Received Power abbreviates RSRP as) and the reference signaling quality of reception (Reference Signal Received Quality abbreviates RSRQ as) here.
Fig. 5 is a flow chart of admitting the terminal according to the use signal quality information of the embodiment of the invention, and as shown in Figure 5, this flow process comprises the steps:
Step S502, the cell-of-origin receives the measurement report that reports through UE;
Step S504, switch decision is carried out in inside, cell-of-origin, and decision-making need be switched, and carries out next step, if need not switch then process ends;
Step S506, the cell-of-origin is through handoff request message, and preparation is switched in the notification target sub-district;
Step S508, Target cell carries out acceptance judging according to the signal quality that carries in the handoff request message that receives, and comprises RSRP with signal quality below and/or RSRQ is that example describes.Target cell is with the RSRP that obtains and/or RSRQ value and medium access control (Medium Access Control; Abbreviate MAC as) layer modulation coding mode (Modulation and Coding Scheme; Abbreviate MCS as) carry out the logic coupling, matching relationship is following:
MCS=[RSRP
*n
1] formula (1)
MCS=[RSRQ
*n
2] formula (2)
Wherein, n
1, n
2Be respectively first matching attribute, second matching attribute, [] for the number in the bracket is rounded, the scope of MCS is 0-28, and 28 presentation code speed are the highest; The scope of RSRP is 0-97, and 97 expression signals are best in quality; The scope of RSRQ is 0-34, and 34 expression signals are best in quality, and the value of these values only is that exemplary illustration is not limited to this.For example: when first matching attribute is n
1=28/97, second matching attribute is n
2=28/34 o'clock, the calculating of MCS was following:
MCS＝[RSRP
＊(28/97)]＝[RSRP
＊0.29]＝[RSRP
＊29/100]
MCS＝[RSRQ
＊(28/34)]＝[RSRQ
＊82/100]
If provide RSRP, then adopt formula (1) to mate, if provide RSRQ, or RSRQ and RSRP all provide: can adopt RSRQ is that formula (2) calculates, because RSRQ is a relative value, can react the present case of UE more accurately.After matching corresponding M CS; Derive the required Physical Resource Block of this UE (Physical Resource Block abbreviates PRB as) number from MCS, the remaining PRB number in MAC meeting periodic report sub-district; Required PRB number and the remaining PRB number of coupling back UE compares; If required number more than remaining number, is then admitted failure, otherwise is admitted successfully.Adjudicate successfully, show that Target cell has enough resources to supply the UE incision to use;
Step S510, Target cell sends switching request response (HANDOVER REQUEST ACKNOWLEDGE) message to the cell-of-origin, switches to prepare successful flow process end.
Fig. 6 is the flow chart of admitting failure according to the use signal quality information of the embodiment of the invention, and is as shown in Figure 6, and this flow process comprises the steps:
Step S602, the cell-of-origin receives the measurement report that reports through UE;
Step S604, switch decision is carried out in inside, cell-of-origin, and decision-making need be switched, and carries out next step, if need not switch then process ends;
Step S606, the cell-of-origin is through handoff request message, and preparation is switched in the notification target sub-district;
Step S608, Target cell carries out acceptance judging according to the signal quality that carries in the handoff request message that receives, and comprises RSRP with signal quality below and/or RSRQ is that example describes.Target cell is with the RSRP that obtains and/or RSRQ value and medium access control (Medium Access Control; Abbreviate MAC as) layer modulation coding mode (Modulation and Coding Scheme; Abbreviate MCS as) carry out the logic coupling, matching relationship is following:
MCS=[RSRP
*n
1] formula (1)
MCS=[RSRQ
*n
2] formula (2)
Wherein, n
1, n
2Be respectively first matching attribute, second matching attribute, [] for the number in the bracket is rounded, the scope of MCS is 0-28, and 28 presentation code speed are the highest; The scope of RSRP is 0-97, and 97 expression signals are best in quality; The scope of RSRQ is 0-34, and 34 expression signals are best in quality, and the value of these values only is that exemplary illustration is not limited to this.For example: when first matching attribute is n
1=28/97, second matching attribute is n
2=28/34 o'clock, the calculating of MCS was following:
MCS＝[RSRP
＊(28/97)]＝[RSRP
＊0.29]＝[RSRP
＊29/100]
MCS＝[RSRQ
＊(28/34)]＝[RSRQ
＊82/100]
If provide RSRP, then adopt formula (1) to mate, if provide RSRQ, or RSRQ and RSRP all provide: can adopt RSRQ is that formula (2) calculates, because RSRQ is a relative value, can react the present case of UE more accurately.After matching corresponding M CS; Derive the required Physical Resource Block of this UE (Physical Resource Block from MCS; Abbreviate PRB as) number, the remaining PRB number in MAC meeting periodic report sub-district, required PRB number and the remaining PRB number of coupling back UE compares; If required number more than remaining number, is then admitted failure.The judgement failure shows that Target cell does not have enough resources to supply the UE incision to use;
Step S610, Target cell send to switch to the cell-of-origin and prepare failure (HANDOVER PREPARATION FAILURE) message, and switching is prepared successful flow process and finished.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the storage device; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an access processing method is characterized in that, comprising:
Handoff request message is sent to Target cell in the cell-of-origin, wherein, carries in the said handoff request message and is used for the information of indicating terminal at the signal quality of said Target cell;
Whether said Target cell can satisfy the access requirement according to the said Target cell of said handoff request message determining.
2. method according to claim 1 is characterized in that, said cell-of-origin is sent said handoff request message to said Target cell and drawn together:
The cell-of-origin judges whether that according to said information needs insert said Target cell, is under the situation that is in judged result, and handoff request message is sent to said Target cell in said cell-of-origin.
3. method according to claim 1 is characterized in that, before said Target cell sent said handoff request message, said method also comprised in said cell-of-origin:
Said cell-of-origin receives the measurement report of said terminal to report, wherein, carries said information in the said measurement report.
4. method according to claim 1 is characterized in that, whether said Target cell can satisfy to insert according to the said Target cell of said handoff request message determining requires to comprise:
Whether said Target cell satisfies the access requirement according to the signal quality of the said Target cell of said handoff request message determining.
5. according to each described method in the claim 1 to 4, it is characterized in that, said information comprise following one of at least: reference signaling received power, the reference signaling quality of reception.
6. method according to claim 5 is characterized in that, whether said Target cell can satisfy to insert according to the said Target cell of said handoff request message determining requires to comprise:
Said Target cell is confirmed modulation coding mode MCS according to the said reference signaling received power and/or the said reference signaling quality of reception;
Said Target cell confirms to insert the required Resource Block PRB of Target cell according to said MCS;
Resource Block and the said Target cell remaining PRB required according to the said Target cell of said access compare, and judge whether said Target cell satisfies the access requirement.
7. access processing unit is characterized in that comprising:
Sending module is positioned at the base station at cell-of-origin place, is used for sending handoff request message to Target cell, wherein, carries in the said handoff request message and is used for the information of indicating terminal at the signal quality of said Target cell;
First judge module is positioned at the base station that said Target cell belongs to, and is used for whether can satisfying the access requirement according to the said Target cell of said handoff request message determining.
8. device according to claim 7 is characterized in that, also comprises:
Second judge module is positioned at the base station that said cell-of-origin belongs to, is used for judging whether that according to said information needs insert said Target cell, and be under the situation that is in judged result, said sending module sends handoff request message to said Target cell.
9. device according to claim 7 is characterized in that, also comprises:
Receiver module is positioned at the base station that said cell-of-origin belongs to, and is used to receive the measurement report of said terminal to report, wherein, carries said information in the said measurement report.
10. device according to claim 7 is characterized in that,
Said first judge module is used for whether satisfying the access requirement according to the signal quality of the said Target cell of said handoff request message determining.
11. according to each described device in the claim 7 to 10, it is characterized in that, comprise in said information: under the situation of the reference signaling received power and/or the reference signaling quality of reception, said first judge module comprises:
First confirms the unit, is used for said Target cell and confirms modulation coding mode MCS according to the said reference signaling received power and/or the said reference signaling quality of reception;
Second confirms the unit, is used for said Target cell and confirms to insert the required Resource Block of Target cell according to said MCS;
Comparing unit is used for comparing according to the said Target cell of said access required Resource Block and the remaining Resource Block of said Target cell, judges whether said Target cell satisfies the access requirement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110163692.8A CN102833780B (en) | 2011-06-17 | 2011-06-17 | Access processing method and device |
| PCT/CN2011/079447 WO2012171276A1 (en) | 2011-06-17 | 2011-09-07 | Access processing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110163692.8A CN102833780B (en) | 2011-06-17 | 2011-06-17 | Access processing method and device |
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| CN102833780A true CN102833780A (en) | 2012-12-19 |
| CN102833780B CN102833780B (en) | 2017-04-12 |
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| WO (1) | WO2012171276A1 (en) |
Cited By (2)
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| CN108668317A (en) * | 2018-05-11 | 2018-10-16 | 海能达通信股份有限公司 | A kind of Modulation and Coding Scheme MCS processing methods, device and base station based on switching |
| WO2019213935A1 (en) * | 2018-05-11 | 2019-11-14 | 海能达通信股份有限公司 | Switching based modulation and coding scheme (mcs) processing method and apparatus, and base station |
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| CN108668317A (en) * | 2018-05-11 | 2018-10-16 | 海能达通信股份有限公司 | A kind of Modulation and Coding Scheme MCS processing methods, device and base station based on switching |
| WO2019213935A1 (en) * | 2018-05-11 | 2019-11-14 | 海能达通信股份有限公司 | Switching based modulation and coding scheme (mcs) processing method and apparatus, and base station |
| CN108668317B (en) * | 2018-05-11 | 2021-09-28 | 海能达通信股份有限公司 | Modulation coding scheme MCS processing method and device based on switching and base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102833780B (en) | 2017-04-12 |
| WO2012171276A1 (en) | 2012-12-20 |
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