CN107529182A - Data dispatching method and system - Google Patents
Data dispatching method and system Download PDFInfo
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- CN107529182A CN107529182A CN201610454877.7A CN201610454877A CN107529182A CN 107529182 A CN107529182 A CN 107529182A CN 201610454877 A CN201610454877 A CN 201610454877A CN 107529182 A CN107529182 A CN 107529182A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
Abstract
The invention discloses a kind of data dispatching method and system, this method includes：When receiving Radio Link migration instruction, the first currently used link is arranged to transition state, and the second link that configuration is new；Carry out when being used to reflect the reported data of the signal quality of the first link of self terminal obtaining, detect the state of the first link；When the first link is in transition state, reported data is modified according to preset rules, and data dispatch is carried out in the first link by amended reported data.The present invention is in service link transition process, by being reused after being adjusted skew to the signal quality data that terminal reports, to avoid, variations are violent in transition process and report the caused MAC layer BLER of delay to raise phenomenon, reduce BLER indexs, so as to improve the success rate of data dispatch, terminal is allowd smoothly to obtain data from base station, it is seen that technical scheme improves wireless system performance.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of data dispatching method and system.
Background technology
HSPA (high-speed packet access) and follow-up evolution HSPA+ (enhanced high-speeds point in WCDMA (WCDMA)
Group access technology) field, especially in HSDPA (high-speed slender body theory) technology, UE (wireless terminal) root in 3GPP agreements
The measuring control information provided according to wireless network side, channel quality measurement work is performed, reports wireless measurement report message.Wirelessly
Network side (RNC, radio network controller) is after measurement report is received, it is necessary to judgement be switched over, to decide whether to carry out nothing
The switching of line service link, migration operation.
If RNC determines to carry out service link migration operation, activating set updating message is issued to UE, notice UE adds new
Radio Link, the message include the new wireless link information, and new link entry-into-force time.Meanwhile RNC is to NodeB (bases
Stand) wireless link increasing request message is issued, increase a new Radio Link, the message includes new chain road information etc., and
The new link entry-into-force time.NodeB according to the message distribute radio channel resource, it is rear to RNC send Radio Link increase request
Response message.The new Radio Link entry-into-force time to when, NodeB can delete old Radio Link, move to new wireless
Link performs business operation, and UE also can the demodulating data business on new link accordingly.
In most cases, UE current areas radio signal quality be deteriorated be cause wireless service link migrate it is main because
Element.In Radio Link transition process, new Radio Link has certain entry-into-force time, during this period NodeB and UE be all the time
Worked in old link.In this period, old wireless link signals quality is deteriorated in continuous decay, and UE uplink demodulation module is anti-
The NodeB HSDPA scheduler modules of feeding are used for dispatching CQI (channel quality indication, the channel quality of judgement
Instruction) information has certain processing delay.HSDPA is caused to dispatch the information such as the transport block size of selection and current real-time wireless communication
Number quality has some deviations.Also, real-time radio signal quality is often to be worse than the CQI that HSDPA scheduling uses, and this can cause
UE can not correct demodulating data, feedback NACK (negative acknowledge) possibility increase, data send success rate it is low.This results in nothing
Descending BLER (BLER(block error rate)) index of MAC (medium access control) layer deteriorates, risen in this period before wired link migration comes into force
It is high.
It is, therefore, desirable to provide a kind of technical scheme, to solve in Radio Link transition process due to radio signal quality
Deteriorating course change is too fast, and causes downlink data to send the problem of failing.
The content of the invention
In view of this, it is an object of the invention to provide a kind of data dispatching method and system, to solve in wireless service
In link transition process, old wireless link signals mass change is too fast, the problem of causing data dispatch to fail.
Technical scheme is as follows used by the present invention solves above-mentioned technical problem：
According to an aspect of the present invention, there is provided a kind of data dispatching method, including：Receiving Radio Link migration
During instruction, the first currently used link is arranged to transition state, and the second link that configuration is new；Carry out self terminal obtaining
When being used to reflect the reported data of signal quality of first link, detect the state of first link；Described
When one link is in the transition state, the reported data is modified according to preset rules, and is reported by amended
Data carry out data dispatch in first link.
Alternatively, foregoing method, in addition to：When receiving Radio Link migration cancellation instruction, by first chain
Road is arranged to migrate cancellation state；When first link is in the migration cancellation state, by the institute from the terminal
State reported data and carry out data dispatch in first link.
Alternatively, foregoing method, the second new link of the configuration, in addition to：Coming into force for second link is set
Time；The reported data is being modified according to preset rules, and by amended reported data in first link
Before carrying out data dispatch, in addition to：Judge whether current time reaches the entry-into-force time, do not reach the entry-into-force time
The reported data is modified according to preset rules described in Shi Zhihang, and by amended reported data in first chain
Road carries out data dispatch.
Alternatively, foregoing method, in addition to：When having reached the entry-into-force time, delete first link and
Second link carries out data dispatch.
Alternatively, foregoing method, the reported data is modified according to preset rules, specifically included：From described
Default deviant is subtracted in reported data.
According to another aspect of the present invention, a kind of data dispatch system is additionally provided, including：Respond module is indicated, is used for
When receiving Radio Link migration instruction, the first currently used link is arranged to transition state, and configuration it is new the
Two links；State detection module, for obtaining reporting for the signal quality for being used to reflect first link for carrying out self terminal
During data, the state of first link is detected；Data dispatch module, for being in the transition state in first link
When, the reported data is modified according to preset rules, and is carried out by amended reported data in first link
Data dispatch.
Alternatively, foregoing system, the instruction respond module, will also when receiving Radio Link migration cancellation instruction
First link is arranged to migrate cancellation state；The data dispatch module is also in the migration in first link and taken
During the state that disappears, data dispatch is carried out in first link by the reported data from the terminal.
Alternatively, foregoing system, the instruction respond module also set up the entry-into-force time of second link；The system
System also includes：Time judgment module, for judging whether current time reaches the entry-into-force time, when not reaching described come into force
Between when the data dispatch module perform it is described the reported data is modified according to preset rules, and by amended
Count off carries out data dispatch according in first link.
Alternatively, foregoing system, the data dispatch module delete described the also when having reached the entry-into-force time
One link simultaneously carries out data dispatch in second link.
Alternatively, foregoing system, the data dispatch module subtract default deviant from the reported data.
According to above technical scheme, data dispatching method of the invention and system at least have advantages below：
The present invention is in service link transition process, after being adjusted skew to the signal quality data that terminal reports
Reuse, to avoid, variations are violent in transition process and report the caused MAC layer BLER of delay to raise phenomenon, drop
Low BLER indexs, so as to improve the success rate of data dispatch so that terminal smoothly can obtain data from base station, it is seen that this hair
Bright technical scheme improves wireless system performance.
Brief description of the drawings
Fig. 1 is a kind of flow chart of data dispatching method of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of data dispatching method of the embodiment of the present invention；
Fig. 3 is a kind of block diagram of data dispatch system of the embodiment of the present invention；
Fig. 4 is a kind of block diagram of data dispatch system of the embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of data dispatching method is provided in one embodiment of the present of invention, including：
Step S110, when receiving Radio Link migration instruction, the first currently used link is arranged to migrate shape
State, and the second link that configuration is new.The technical scheme of the present embodiment occurs in NodeB, i.e. base station；In the present embodiment,
UE indicates according to network side, performs channel quality measurement, reports current measurement report to RNC；RNC is according to measurement report information
Decide whether to switch over；If necessary to switch, RNC issuing messages perform service link migration operation to NodeB and UE.
After HSDPA receives the Radio Link migration instruction of high-level signaling, according to the corresponding new Radio Link of signal deployment.In this implementation
In example, the mode for setting state for link includes：The old link for adding UE just identifies Flag in service link transition state, and will
Flag value is arranged to True, and expression is currently at transition state.
Step S120, come when being used to reflect the reported data of the signal quality of the first link of self terminal, detection obtaining
The state of first link.In the present embodiment, the reported data includes but is not limited to foregoing CQI.
Step S130, when the first link is in transition state, reported data is modified according to preset rules, and presses
Amended reported data carries out data dispatch in the first link.In the present embodiment, if Flag value is True, represent to work as
Preceding Radio Link is in transition state, and for NodeB when performing scheduler task, then the CQI value reported to terminal is according to default rule
It is modified, specific correcting mode is not limited in the present embodiment.
According to the technical scheme of the present embodiment, in service link transition process, pass through the signal quality reported to terminal
Data reuse after being adjusted skew, and to avoid, variations are violent in transition process and report caused by delay
MAC layer BLER raise phenomenon, reduce BLER indexs, so as to improve the success rate of data dispatch so that terminal can smoothly from
Base station obtains data, it is seen that technical scheme improves wireless system performance.
As shown in Fig. 2 a kind of data dispatching method is provided in one embodiment of the present of invention, including：
Step S210, when receiving Radio Link migration instruction, the first currently used link is arranged to migrate shape
State, and the second link that configuration is new, the entry-into-force time of the second link is set.In the present embodiment, current point in time T is passed throughnow
T=T is calculated with interval t of new link entry-into-force timenow+ t, the new link timing entry-into-force time point for setting UE is T.
Step S220, when receiving Radio Link migration cancellation instruction, the first link is arranged to migrate cancellation state.
In the present embodiment, if instruction is cancelled in the Radio Link migration that HSDPA receives high-level signaling, UE service link is reset
Transition state mark Flag is False, represents to cancel migration.According to the technical scheme of the present embodiment, link can be cancelled at any time
Migration.
Step S230, come when being used to reflect the reported data of the signal quality of the first link of self terminal, detection obtaining
The state of first link.
Step S240, when the first link is in transition state, judge current time whether the received letter of acceptance time.In this reality
Apply in example, if Flag value is True, represent that current radio link in transition state, then judges whether to have arrived new radio chains
Road timing entry-into-force time point T.
Step S250, default deviant is subtracted from reported data in the non-received letter of acceptance time, and by amended
Reported data carries out data dispatch in the first link.In the present embodiment, if not performing tune to entry-into-force time point T, HSDPA
During degree task, then after subtracting deviant Q to the CQI value S that uplink demodulation module reports, the S-Q values after skew are reused as CQI
Value carries out data dispatch.In the technical scheme of the present embodiment, deviant is not limited, it can be that fixed value can also
It is the end value being calculated according to CQ values by certain algorithm.
Step S260, at the time of received letter of acceptance, delete the first link and carry out data dispatch in the second link.At this
In embodiment, if deleting old serving radio link to entry-into-force time point T, HSDPA, new Radio Link comes into force, and
New link normal consistency.According to the technical scheme of the present embodiment, the judgement of entry-into-force time has been carried out first, the received letter of acceptance time is then
The amendment to CQI need not be carried out, saves computing resource.
Step S270, when the first link is in migration cancellation state, by carrying out the reported data of self terminal in the first link
Carry out data dispatch.In the present embodiment, if Flag value is False, current radio link is represented not in transition state, then
It is normally carried out data dispatch.According to the technical scheme of the present embodiment, can be tackled in time in the case of link migration is cancelled, with
Ensure to carry out normal data dispatch.
It is as follows according to the technical scheme of the present embodiment embodiment：
Step 1：UE indicates according to network side, reporting measurement reports.RNC switches over judgement according to measurement report information,
Determine to carry out service link migration, go to step two.
Step 2：RNC configuration services link migrates signaling to NodeB and UE.NodeB establishes new radio chains according to signaling
Road, and it is T=T to set the timing entry-into-force time points of the new links of UEnow+ 800ms, and old Radio Link is set in migration shape
State mark Flag is True.
Step 3：Instruction is cancelled in the service link migration that HSDPA receives high-level signaling, resets Radio Link migration shape
State Flag is False, goes to step four.
Step 4：HSDPA judges the transition state Flag of current ink for False when performing scheduler task, judge wireless
Link in transition state, does not go to step five.
Step 5：HSDPA uses the CQI normal consistencies reported.
It is as follows according to the another embodiment of the technical scheme of the present embodiment：
Step 1：UE indicates according to network side, reporting measurement reports.RNC switches over judgement according to measurement report information,
Determine to carry out service link migration, go to step two.
Step 2：RNC configuration services link migrates signaling to NodeB and UE.NodeB establishes new radio chains according to signaling
Road, and it is T=T to set the timing entry-into-force time points of the new links of UEnow+ 800ms, and old Radio Link is set in migration shape
State mark Flag is True.
Step 3：HSDPA performs the transition state Flag for judging current ink during scheduler task as True, judges radio chains
Road is transition state, goes to step four.
Step 4：Current entry-into-force time T is not arrived in HSDPA judgements also, goes to step five.
Step 5：The CQI value currently reported be 23, then HSDPA deviant 3 is subtracted to the value, using CQI value 20 as ought
Preceding scheduler task uses, and goes to step six.
Step 6：Continue executing with scheduler task.
As shown in figure 3, a kind of data dispatch system is provided in one embodiment of the present of invention, including：
Respond module 310 is indicated, when receiving Radio Link migration instruction, the first currently used link is arranged to
Transition state, and the second link that configuration is new.The technical scheme of the present embodiment occurs in NodeB, i.e. base station；In this implementation
In example, UE indicates according to network side, performs channel quality measurement, reports current measurement report to RNC；RNC reports according to measurement
Information is accused to decide whether to switch over；If necessary to switch, RNC issuing messages perform service link migration behaviour to NodeB and UE
Make.After HSDPA receives the Radio Link migration instruction of high-level signaling, according to the corresponding new Radio Link of signal deployment.At this
In embodiment, the mode for setting state for link includes：The old link for adding UE just identifies Flag in service link transition state,
And Flag value is arranged to True, expression is currently at transition state.
State detection module 320, obtaining the reported data for the signal quality for being used for the first link of reflection for carrying out self terminal
When, the state of the first link of detection.In the present embodiment, the reported data includes but is not limited to foregoing CQI.
Data dispatch module 330, when the first link is in transition state, reported data is repaiied according to preset rules
Change, and data dispatch is carried out in the first link by amended reported data.In the present embodiment, if Flag value is
True, represent current radio link in transition state, NodeB when performing scheduler task, then the CQI value that is reported to terminal according to
Default rule is modified, and specific correcting mode is not limited in the present embodiment.
According to the technical scheme of the present embodiment, in service link transition process, pass through the signal quality reported to terminal
Data reuse after being adjusted skew, and to avoid, variations are violent in transition process and report caused by delay
MAC layer BLER raise phenomenon, reduce BLER indexs, so as to improve the success rate of data dispatch so that terminal can smoothly from
Base station obtains data, it is seen that technical scheme improves wireless system performance.
As shown in figure 4, a kind of data dispatch system is provided in one embodiment of the present of invention, including：
Respond module 410 is indicated, when receiving Radio Link migration instruction, the first currently used link is arranged to
Transition state, and the second link that configuration is new, the entry-into-force time of the second link is set.In the present embodiment, by it is current when
Between point TnowT=T is calculated with interval t of new link entry-into-force timenow+ t, the new link timing entry-into-force time point for setting UE is T.
Respond module 410 is indicated, when receiving Radio Link migration cancellation instruction, the first link is arranged to migration and cancelled
State.In the present embodiment, if instruction is cancelled in the Radio Link migration that HSDPA receives high-level signaling, reset UE's
Service link transition state mark Flag is False, represents to cancel migration., at any time can be with according to the technical scheme of the present embodiment
Cancel the migration of link.
State detection module 420, obtaining the reported data for the signal quality for being used for the first link of reflection for carrying out self terminal
When, the state of the first link of detection.
Time judgment module 430, when the first link is in transition state, judge current time whether received letter of acceptance when
Between.In the present embodiment, if Flag value is True, represent that current radio link in transition state, then judges whether to have arrived
New Radio Link timing entry-into-force time point T.
Data dispatch module 440, subtracts default deviant in the non-received letter of acceptance time from reported data, and by repairing
Reported data after changing carries out data dispatch in the first link.In the present embodiment, if do not existed to entry-into-force time point T, HSDPA
When performing scheduler task, then after subtracting deviant Q to the CQI value S that uplink demodulation module reports, the S-Q values after skew are reused
Data dispatch is carried out as CQI value.In the technical scheme of the present embodiment, deviant is not limited, it can be fixed
Value can also be the end value being calculated according to CQ values by certain algorithm.
Data dispatch module 440, at the time of received letter of acceptance, delete the first link and carry out data tune in the second link
Degree.In the present embodiment, if deleting old serving radio link, the life of new Radio Link to entry-into-force time point T, HSDPA
Effect, and in new link normal consistency.According to the technical scheme of the present embodiment, the judgement of entry-into-force time has been carried out first, reaches life
The effect time need not then carry out the amendment to CQI, save computing resource.
Data dispatch module 440, when the first link is in migration cancellation state, by carrying out the reported data of self terminal the
One link carries out data dispatch.In the present embodiment, if Flag value is False, represent that current radio link is not migrating
State, then it is normally carried out data dispatch., can be timely in the case of link migration is cancelled according to the technical scheme of the present embodiment
Reply, to ensure to carry out normal data dispatch.
It is as follows according to the technical scheme of the present embodiment embodiment：
Step 1：UE indicates according to network side, reporting measurement reports.RNC switches over judgement according to measurement report information,
Determine to carry out service link migration, go to step two.
Step 2：RNC configuration services link migrates signaling to NodeB and UE.NodeB establishes new radio chains according to signaling
Road, and it is T=T to set the timing entry-into-force time points of the new links of UEnow+ 800ms, and old Radio Link is set in migration shape
State mark Flag is True.
Step 3：HSDPA performs the transition state Flag for judging current ink during scheduler task as True, judges radio chains
Road is transition state, goes to step four.
Step 4：Current entry-into-force time T has been arrived in HSDPA judgements, goes to step five.
Step 5：HSDPA deletes old serving radio link, and new Radio Link comes into force, and in new link normal consistency.
Above by reference to the preferred embodiments of the present invention have been illustrated, not thereby limit to the interest field of the present invention.This
Art personnel do not depart from the scope of the present invention and essence, can have a variety of flexible programs to realize the present invention, for example as one
The feature of individual embodiment can be used for another embodiment and obtain another embodiment.All institutes within the technical concept with the present invention
The all any modification, equivalent and improvement of work, all should be within the interest field of the present invention.
Claims (10)
- A kind of 1. data dispatching method, it is characterised in that including：When receiving Radio Link migration instruction, the first currently used link is arranged to transition state, and configuration is newly The second link；Carry out when being used to reflect the reported data of signal quality of first link of self terminal obtaining, detect first chain The state on road；When first link is in the transition state, the reported data is modified according to preset rules, and presses Amended reported data carries out data dispatch in first link.
- 2. according to the method for claim 1, it is characterised in that also include：When receiving Radio Link migration cancellation instruction, first link is arranged to migrate cancellation state；When first link is in the migration cancellation state, by the reported data from the terminal described the One link carries out data dispatch.
- 3. according to the method for claim 1, it is characterised in that the second new link of the configuration, in addition to：Described in setting The entry-into-force time of second link；The reported data is being modified according to preset rules, and enters by amended reported data in first link Before row data dispatch, in addition to：Judge whether current time reaches the entry-into-force time, the default rule of the basis are performed when not reaching the entry-into-force time Then the reported data is modified, and data dispatch is carried out in first link by amended reported data.
- 4. according to the method for claim 3, it is characterised in that also include：When having reached the entry-into-force time, delete first link and carry out data dispatch in second link.
- 5. method according to any one of claim 1 to 4, it is characterised in that according to preset rules to the upper count off According to modifying, specifically include：Default deviant is subtracted from the reported data.
- A kind of 6. data dispatch system, it is characterised in that including：Respond module is indicated, for when receiving Radio Link migration instruction, the first currently used link being arranged to move Shifting state, and the second link that configuration is new；State detection module, for obtaining the reported data for being used to reflect the signal quality of first link for carrying out self terminal When, the state of detection first link；Data dispatch module, for when first link is in the transition state, being reported according to preset rules to described Data are modified, and carry out data dispatch in first link by amended reported data.
- 7. system according to claim 6, it is characterised in thatThe instruction respond module also when receiving Radio Link migration cancellation instruction, first link is arranged to migrate Cancellation state；The data dispatch module is also when first link is in the migration cancellation state, by the institute from the terminal State reported data and carry out data dispatch in first link.
- 8. system according to claim 6, it is characterised in thatThe instruction respond module also sets up the entry-into-force time of second link；The system also includes：Time judgment module, for judging whether current time reaches the entry-into-force time, do not reached The data dispatch module execution is described during the entry-into-force time modifies according to preset rules to the reported data, and presses Amended reported data carries out data dispatch in first link.
- 9. system according to claim 8, it is characterised in thatThe data dispatch module deletes first link and in second link also when having reached the entry-into-force time Carry out data dispatch.
- 10. the system according to any one of claim 6 to 9, it is characterised in thatThe data dispatch module subtracts default deviant from the reported data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454877.7A CN107529182A (en) | 2016-06-22 | 2016-06-22 | Data dispatching method and system |
| PCT/CN2016/102419 WO2017219547A1 (en) | 2016-06-22 | 2016-10-18 | Data scheduling method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454877.7A CN107529182A (en) | 2016-06-22 | 2016-06-22 | Data dispatching method and system |
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| CN107529182A true CN107529182A (en) | 2017-12-29 |
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| CN201610454877.7A Withdrawn CN107529182A (en) | 2016-06-22 | 2016-06-22 | Data dispatching method and system |
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| CN (1) | CN107529182A (en) |
| WO (1) | WO2017219547A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153669A (en) * | 2019-06-28 | 2020-12-29 | 华为技术有限公司 | Data transmission method, device and equipment |
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| CN100428837C (en) * | 2004-09-29 | 2008-10-22 | 华为技术有限公司 | Wireless link link-dismantling policy optimizing method |
| CN101132227B (en) * | 2006-08-23 | 2012-01-25 | 电信科学技术研究院 | Monitoring method and system for wireless communication signal channel quality |
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- 2016-06-22 CN CN201610454877.7A patent/CN107529182A/en not_active Withdrawn
- 2016-10-18 WO PCT/CN2016/102419 patent/WO2017219547A1/en active Application Filing
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| CN102625396A (en) * | 2011-01-27 | 2012-08-01 | 中兴通讯股份有限公司 | Resource-managing method and resource-managing system |
| US20130110770A1 (en) * | 2011-10-27 | 2013-05-02 | Scott Stevelinck | Database clone |
| CN104285398A (en) * | 2012-05-18 | 2015-01-14 | 华为技术有限公司 | Systems and methods for scheduling multiple-input and multiple-output (mimo) high-speed downlink packet access (hsdpa) pilot channels |
| CN104412639A (en) * | 2012-07-02 | 2015-03-11 | 苹果公司 | Modulation and coding scheme (MCS) recovery based on CQI offset |
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| CN112153669A (en) * | 2019-06-28 | 2020-12-29 | 华为技术有限公司 | Data transmission method, device and equipment |
| CN112153669B (en) * | 2019-06-28 | 2023-03-10 | 华为技术有限公司 | Data transmission method, device and equipment |
Also Published As
| Publication number | Publication date |
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| WO2017219547A1 (en) | 2017-12-28 |
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