CN103338484B - A kind of conversion method of Carrier State and device - Google Patents
A kind of conversion method of Carrier State and device Download PDFInfo
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Abstract
The invention discloses a kind of conversion method and device of Carrier State, relate to logical areas of information technology, in order to improve the service quality of business.The method comprises: report buffer memory to take BO information at wireless spread-spectrum technology rlc layer to media access control MAC layer, and BO information described in each includes the time delay value of radio bearer RB number information and each RB; Judge whether this BO information is high Delay in MAC layer according to the time delay value of described RB number information and each RB; Judge whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received; If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave; If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
Description
Technical field
The present invention relates to logical areas of information technology, the conversion method of the Carrier State particularly in a kind of carrier aggregation function and device.
Background technology
Carrier aggregation (CarrierAggregation, CA) be third generation collaborative project (3rdGenerationPartnershipProject, 3GPP) the technology of R10 version introducing, as senior Long Term Evolution (LongTermEvolutionAdvanced, LTE-A) one of the elevator system transmission bandwidth introduced and the key property of up-downgoing peak rate, by multiple member carrier is aggregating the larger bandwidth of formation, higher message transmission rate is provided, and effectively utilizes frequency spectrum resource.
It is generally acknowledged when network traffic is larger, network by the activation of auxiliary carrier wave, can improve throughput; When data volume is less, by the deexcitation of auxiliary carrier wave, the functions such as Physical Downlink Control Channel (PhysicalDownlinkControlChannel, the PDCCH) monitoring that terminal is unnecessary on some auxiliary carrier wave can be stopped, reaching power saving object.
What current agreement (36.321 version) defined has two kinds of modes to auxiliary carrier wave deexcitation:
1, implicit expression deexcitation: the mode adopting packet data inactivity timer (sCellDeactivationTimer), namely uplink authorization/descending distribution is carried out when receiving PDCCH instruction in auxiliary community, restart packet data inactivity timer, activate auxiliary carrier wave and carry out work, when the timer times out, then auxiliary carrier wave deexcitation, namely takes each auxiliary carrier activation a period of time.
2, explicit deexcitation: adopt and send the deexcitation of MAC Control Element (ControlElement, CE) mode.
For second method, what principle to trigger the transmission of the deexcitation MACCE of auxiliary carrier wave according to, agreement is regulation not, and this relates to concrete realization.The algorithm that current industry is relatively commonly used is based on data business volume, when data business volume exceedes the auxiliary carrier wave of a certain Threshold Active, when data business volume is lower than certain threshold value then auxiliary carrier wave of deexcitation.
But quality of service (QualityofService, QoS) satisfied is not only meeting of a speed factor, also comprise the factors such as time delay, so do not consider time delay factor due to current activation algorithm, even if under this may cause the prerequisite met the demands at service rate, still cause the difficulty action accomplishment of this business very low.
Summary of the invention
Embodiments provide a kind of conversion method and device of Carrier State, in order to improve the service quality of business.
The conversion method of a kind of Carrier State that the embodiment of the present invention provides, the method comprises:
At wireless spread-spectrum technology (RadioLinkControl, RLC) layer is to medium education (MediaAccessControl, MAC) layer reports buffer memory to take (BufferOccupy, BO) information, described in each, BO information includes the time delay value of radio bearer (RadioBearer, RB) number information and each RB;
Judge whether this BO information is high Delay in MAC layer according to the time delay value of described RB number information and each RB;
Judge whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received;
If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave;
If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
The conversion equipment of a kind of Carrier State that the embodiment of the present invention provides, this device comprises:
Report receiver module, for reporting buffer memory to take BO information at rlc layer to MAC layer, BO information described in each includes the time delay value of radio bearer RB number information and each RB;
According to the time delay value of described RB number information and each RB, BO judge module, for judging whether this BO information is high Delay in MAC layer;
Judge active module, for judging whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received; If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave; If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
The embodiment of the present invention, the factor of the time delay considering RB is added when judging whether to activate auxiliary carrier wave, by reasonably arranging standard time delay value, typical ratio and activation threshold value, thus achieve after the comparison, more reasonably can perform the opening and closing of auxiliary carrier wave, open auxiliary carrier wave when service delay is too high and improve quality of service, close auxiliary carrier wave saving resource when quality of service can ensure.
Accompanying drawing explanation
The workflow schematic diagram of the conversion method of a kind of Carrier State that Fig. 1 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of the conversion equipment of a kind of Carrier State that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of conversion method and device of Carrier State, in order to improve the difficulty action accomplishment of business.The basic thought of this programme considering speed while, also will consider time delay in carrier activation algorithm.The basic scheme of the application is: for the data of RLC buffer memory, if the ratio that the time delay value calculating the RB bag in this buffer memory exceedes a certain thresholding is greater than the Configuration Values of agreement, even if then now the data volume of this user does not exceed some threshold values, also carrier activation mechanism to be triggered.
In order to achieve the above object, the embodiment of the present invention first proposed a kind of conversion method of Carrier State, and as shown in Figure 1, at server side, the method comprises:
S101, reports buffer memory to take BO information at wireless spread-spectrum technology rlc layer to media access control MAC layer, and BO information described in each includes the time delay value of radio bearer RB number information and each RB;
According to the time delay value of described RB number information and each RB, S102, judges whether this BO information is high Delay in MAC layer;
S103, judges whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received;
S104, if so, then checks the state of activation of current auxiliary carrier wave, if be unactivated state, then performs activation, if be state of activation, then keep the activation of auxiliary carrier wave;
S105, if not, then checks the state of activation of current auxiliary carrier wave, if be unactivated state, then keeps unactivated state, if be state of activation, then perform deactivation process.
State on the invention in embodiment, the rlc layer of server adds the time delay value of RB in the BO information reported to MAC layer, make MAC layer when receiving the BO information that rlc layer reports, the time delay of each RB can be obtained, to judge overall BO information entirety whereby, whether time delay is too high, if the too high ratio shared by BO information of time delay has exceeded the threshold value preset, illustrate that present Internet resources are for ensureing that the QoS risk of user is larger, need to activate auxiliary carrier wave, then carry out the inspection of auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave.Be understandable that, otherwise if, the ratio that the too high BO information number of time delay accounts for total BO information number is less than threshold value, then illustrate that present Internet resources are for ensureing that the QoS risk of user is less, do not need to activate auxiliary carrier wave, then when checking auxiliary Carrier State, if auxiliary carrier wave is in state of activation, then perform deactivation process.
On the basis of above-described embodiment, describedly judge whether this BO information is high Delay, comprising in MAC layer according to the time delay value of described RB number information and each RB:
The time delay value of each RB is utilized to compare with the standard time delay value preset in MAC layer;
After having compared the time delay value of RB all in BO information described in each, whether MAC layer is greater than default typical ratio according to the actual ratio of total number of the RB number and described RB that exceed described standard time delay value, determines whether this BO information is high time delay BO information.
In above-mentioned further embodiment, standard time delay value and typical ratio are preset, standard time delay value is used for comparing with the time delay value of RB, when the ratio that the RB number that time delay is too high accounts for total RB number exceedes the typical ratio of internal preset, illustrate that the time delay of this RB is too high, when actual ratio is greater than default typical ratio, can judge that the overall time delay of BO information is too high.
Obviously, accurate, the suitable setting of standard time delay value, typical ratio and activation threshold value is the guarantee realizing the inventive method in the present invention.
On the basis of above-described embodiment, be understandable that, the concrete numerical value of the standard time delay value preset can set as required, preferably, and described standard time delay value T
delayThreshold=T
pDB-HARQ_RTT
max* N
max, wherein, T
pDBfor the business overall delay budget that 3GPP agreement specifies, HARQ_RTT
maxfor the maximum transmission time that business is used when path transmission, N
maxfor the maximum retransmission of business when path transmission is failed.
Such as, T
pDBpDB(PacketDelayBudget can be defined, packet delay budget by showing 6.1.7 in 3GPP23.203v9.5.0 version), what this value represented is the maximum delay that this kind of business can allow, and different service protocols also specify different PDB.HARQ_RTT
maxfor configuring maximum transmission time once at certain uplink and downlink timeslot, N
maxfor the HARQ maximum retransmission of configuration.
Table 1 is HARQ_RTT under different uplink-downlink configuration
maxvalue:
Table 1
As seen from the above table, the concrete numerical value of the standard time delay value obtained under different configurations can be different, if when the time delay value of a RB is greater than this standard time delay value, illustrate that the delay of this RB is too high, and namely the QoS of this business is satisfied exists risk.
Similarly, the setting of described typical ratio also can be arranged as required.
On the basis of above-described embodiment, preferably, described rlc layer reports described BO information according to the period 1 arranged to MAC layer, and described MAC layer is according to carrying out described high time delay BO information number and the ratio of total BO information number received and the comparison of described activation threshold value the second round arranged.Preferably, be greater than the described period 1 described second round.
In order to carry out the detection of normality to server, the time that the time that can report rlc layer and MAC layer perform judgement is all arranged to periodically report and judge, during in order to ensure to judge at every turn, all have received new BO information, thus should by second round arrange be greater than the period 1.Such as, the period 1 can be set to 1ms, can be set to the integral multiple of period 1 second round.
As in the various embodiments described above as described in either a program, the RB number of described standard time delay value and total number of described RB is exceeded by detection counter record when the time delay value of described RB and described standard time delay value compare, and after having compared, the record according to described detection counter calculates the ratio exceeding the RB number of described standard time delay value and total number of described RB.
Because the RB number information in BO information is known, so the detection counter arranged can count with after standard time delay value at each RB time delay value, stop comparison when numeral reaches the number information of RB, represent and more complete.
Comprehensive the various embodiments described above, below detailed introduce a specific embodiment:
Activation process:
S201, MAC layer receives according to the period 1 BO information that rlc layer reports, and according to the number start detection counter of RB, utilizes the time delay value T of each RB
rB_Delaywith standard time delay value T
delayThresholdcompare:
(1) if be greater than standard time delay value, then:
Time-out prolongs threshold counter N
beyondDelayadd 1,
And RB counter N
rBadd 1;
(2) otherwise only RB counter N
rBadd 1;
S202, after having traveled through RB all in BO information, the RB calculating in this BO information the time delay value that is above standard accounts for the ratio of total RB quantity, the namely time delay ratio P of this BO information
bO_Dealy=N
beyondDelay/ N
rB;
S203, utilizes P
bO_Dealywith typical ratio Th
bO_Dealycompare, judge whether this BO information is high time delay BO information:
(1) if P
bO_Dealy>Th
bO_Dealy, then:
Auxiliary carrier wave time delay activate counter N
total_BeyondDelayadd 1,
Detect number counter N
staticsadd 1;
(2) otherwise only detection counter N
staticsadd 1.
S204, at the end of each second round, judges high time delay BO information N
total_BeyondDelaywith the total BO information N received
staticsratio whether be greater than default activation threshold T h
scellActive_Dealy, if it is activate auxiliary carrier wave; If not, then by auxiliary carrier wave time delay activate counter N
total_BeyondDelaywith detection number counter N
staticsnumber device resets.
When realizing, parameter T
n*HARQ, Th
bO_Dealy, Th
scellActive_Dealythree key parameters of this algorithm, at OMC(OperationMaintenanceCentre, operation maintenance center) can concrete parameter configuration be carried out.
Similar to the embodiment of above-mentioned activation process, deexcitation flow process can also be realized, such as, calculating the time delay ratio P of BO information
bO_Dealy, judge the time delay ratio P of BO information
bO_Dealywhether be less than typical ratio Th
safty_BO_Dealy, judge safe time delay BO information N
total_Safety_Delaywith the total BO information N received
staticsratio whether be less than default deexcitation threshold T h
scellDeactive_Dealy, all lower than when can perform deexcitation flow process.
In deexcitation flow process, parameter T
n*HARQ, Th
safty_BO_Dealy, Th
scellDeactive_Dealycorrect configuration be three key parameters realizing this process, in general, the parameter Th of activation algorithm
bO_Dealy, Th
scellActive_Dealyconfiguration Values is greater than deexcitation algorithm Th
safty_BO_Dealy, Th
scellDeactive_Dealyconfiguration Values.In order to avoid ping-pong, also certain intervals difference to be had between the two.
In sum, the present invention achieves judgement and the implementation process of being carried out auxiliary carrier activation or deexcitation by time delay factor by above-mentioned each embodiment, improves quality of service.Be understandable that the inventive method not only can be used alone, importantly the relation of the inventive method and the existing activation/deactivation algorithm based on data volume is not mutual exclusion.That is, the inventive method can use jointly with existing algorithm.The algorithm amendment increased after time delay factor is described below:
(1) activation: data volume and time delay activate thresholding, as long as there is a thresholding exceeding configuration just to activate auxiliary carrier wave; In order to better ensure quality of service, as long as strict requirement business exceedes the threshold value of an arbitrary algorithm, just activate auxiliary carrier wave to ensure the quality of business.
(2) deactivation process: as long as when the thresholding of two algorithms is all lower than the threshold value of configuration, just can deexcitation carrier wave.Equally for the idea ensureing quality of service, only have business to meet two algorithms simultaneously, could illustrate that this business is guaranteed really, just can perform deactivation process.
Corresponding with said method side, the embodiment of the present invention additionally provides a kind of conversion equipment of Carrier State, and as shown in Figure 2, this device comprises:
Report receiver module 1, for reporting buffer memory to take BO information at rlc layer to MAC layer, BO information described in each includes the time delay value of radio bearer RB number information and each RB;
According to the time delay value of described RB number information and each RB, BO judge module 2, for judging whether this BO information is high Delay in MAC layer;
Judge active module 3, for judging whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received; If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave; If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
Preferably, on the basis of above-described embodiment, described BO judge module, specifically for:
The time delay value of each RB is utilized to compare with the standard time delay value preset in MAC layer;
After having compared the time delay value of RB all in BO information described in each, whether MAC layer is greater than default typical ratio according to the actual ratio of total number of the RB number and described RB that exceed described standard time delay value, determines whether this BO information is high time delay BO information.
The conversion equipment of this Carrier State by time delay comparison module, BO judge module and can judge that the case propagation delays of three threshold values to the business of whole server of active module three module installation compares and judge, to open auxiliary carrier wave and improves quality of service to complete, closes the object of auxiliary carrier wave saving resource when quality of service can ensure when service delay is too high.
Be understandable that, this device can setting integrated with server.
Described standard time delay value is T
delayThreshold=T
pDB-HARQ_RTT
max* N
max, wherein, T
pDBfor the business overall delay budget that 3GPP agreement specifies, HARQ_RTT
maxfor the maximum transmission time that business is used when path transmission, N
maxfor the maximum retransmission of business when path transmission is failed.
This device also comprises the cycle and arranges module, the period 1 that described reception reporting module arranges module installation according to the described cycle reports described BO information, and described judgement active module is according to carrying out described high time delay BO information number and the ratio of total BO information number received and the comparison of described activation threshold value the second round arranged.
The second round that the described cycle arranges module installation is greater than the described period 1.
This device also comprises detection counter, exceedes the RB number of described standard time delay value and total number of described RB, and after having compared, calculate the ratio of the RB number of described standard time delay value and total number of described RB for recording.
In sum, the embodiment of the present invention, the factor of the time delay considering RB is added when judging whether to activate auxiliary carrier wave, by reasonably arranging standard time delay value, typical ratio and activation threshold value, thus achieve after the comparison, can more reasonably judge whether to open auxiliary carrier wave to ensure the guarantee of business.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a conversion method for Carrier State, is characterized in that, the method comprises:
Report buffer memory to take BO information at wireless spread-spectrum technology rlc layer to media access control MAC layer, BO information described in each includes the time delay value of radio bearer RB number information and each RB;
The time delay value of each RB is utilized to compare with the standard time delay value preset in MAC layer;
After having compared the time delay value of RB all in BO information described in each, whether MAC layer is greater than default typical ratio according to the actual ratio of total number of the RB number and described RB that exceed described standard time delay value, determines whether this BO information is high time delay BO information;
Judge whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received;
If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave;
If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
2. the method for claim 1, is characterized in that, described standard time delay value T
delayThreshold=T
pDB-HARQ_RTT
max* N
max, wherein, T
pDBfor the business overall delay budget that 3GPP agreement specifies, HARQ_RTT
maxfor the maximum transmission time that business is used when path transmission, N
maxfor the maximum retransmission of business when path transmission is failed.
3. method as claimed in claim 2, it is characterized in that, described rlc layer reports described BO information according to the period 1 arranged to MAC layer, and described MAC layer is according to carrying out described high time delay BO information number and the ratio of total BO information number received and the comparison of described activation threshold value the second round arranged.
4. method as claimed in claim 3, it is characterized in that, described second round is greater than the described period 1.
5. the method as described in claim 2,3 or 4, it is characterized in that, the RB number of described standard time delay value and total number of described RB is exceeded by detection counter record when the time delay value of described RB and described standard time delay value compare, and after having compared, the record according to described detection counter calculates the ratio exceeding the RB number of described standard time delay value and total number of described RB.
6. a conversion equipment for Carrier State, is characterized in that, this device comprises:
Report receiver module, for reporting buffer memory to take BO information at rlc layer to MAC layer, BO information described in each includes the time delay value of radio bearer RB number information and each RB;
BO judge module, compares with the standard time delay value preset for utilizing the time delay value of each RB in MAC layer; After having compared the time delay value of RB all in BO information described in each, whether MAC layer is greater than default typical ratio according to the actual ratio of total number of the RB number and described RB that exceed described standard time delay value, determines whether this BO information is high time delay BO information;
Judge active module, for judging whether high time delay BO information number is greater than default activation threshold value with the ratio of the total BO information number received; If so, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then perform activation, if be state of activation, then keep the activation of auxiliary carrier wave; If not, then check the state of activation of current auxiliary carrier wave, if be unactivated state, then keep unactivated state, if be state of activation, then perform deactivation process.
7. device as claimed in claim 6, is characterized in that, described standard time delay value T
delayThreshold=T
pDB-HARQ_RTT
max* N
max, wherein, T
pDBfor the business overall delay budget that 3GPP agreement specifies, HARQ_RTT
maxfor the maximum transmission time that business is used when path transmission, N
maxfor the maximum retransmission of business when path transmission is failed.
8. device as claimed in claim 7, it is characterized in that, this device also comprises the cycle and arranges module, the period 1 that described reception reporting module arranges module installation according to the described cycle reports described BO information, and described judgement active module is according to carrying out described high time delay BO information number and the ratio of total BO information number received and the comparison of described activation threshold value the second round arranged.
9. device as claimed in claim 8, it is characterized in that, the second round that the described cycle arranges module installation is greater than the described period 1.
10. the device as described in claim 7,8 or 9, it is characterized in that, this device also comprises detection counter, the RB number of described standard time delay value and total number of described RB is exceeded for recording, and after having compared, calculate the ratio exceeding the RB number of described standard time delay value and total number of described RB.
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| CN104883709A (en) * | 2014-02-27 | 2015-09-02 | 中兴通讯股份有限公司 | Method and device for handling data congestion |
| CN104796245B (en) * | 2015-03-30 | 2017-11-14 | 大唐移动通信设备有限公司 | The processing method and equipment of a kind of secondary carrier |
| CN109756309B (en) * | 2017-11-01 | 2022-05-13 | 中兴通讯股份有限公司 | Method, apparatus and medium for deactivating secondary member carrier |
| RU2761171C1 (en) | 2018-03-22 | 2021-12-06 | Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. | Method for switching the state of the secondary carrier, terminal and network apparatus |
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| CN101345996A (en) * | 2007-07-11 | 2009-01-14 | 中兴通讯股份有限公司 | Carrier wave resource allocation method of real-time service |
| CN101483918A (en) * | 2008-01-08 | 2009-07-15 | 华为技术有限公司 | Buffer condition report sending method and apparatus thereof |
| CN102271356A (en) * | 2010-06-02 | 2011-12-07 | 中国移动通信集团公司 | Carrier scheduling method, communication method, base station and terminal in carrier aggregation system |
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| CN101345996A (en) * | 2007-07-11 | 2009-01-14 | 中兴通讯股份有限公司 | Carrier wave resource allocation method of real-time service |
| CN101483918A (en) * | 2008-01-08 | 2009-07-15 | 华为技术有限公司 | Buffer condition report sending method and apparatus thereof |
| CN102271356A (en) * | 2010-06-02 | 2011-12-07 | 中国移动通信集团公司 | Carrier scheduling method, communication method, base station and terminal in carrier aggregation system |
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