CN104981020B - The dispatching method of uplink GBR traffic and base station - Google Patents
The dispatching method of uplink GBR traffic and base station Download PDFInfo
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Abstract
The present invention provides dispatching method and the base station of a kind of uplink GBR traffic, this method comprises: the GBR traffic that base station is terminal presets the corresponding maximum amount of data of MBR and the corresponding minimum data amount of GBR in unit period, statistics obtains terminal upper line number in current period and passes GBR data volume transmitted by subframe, according to maximum amount of data, minimum data amount and GBR data volume, determine whether to carry out interface-free resources scheduling to terminal, if it is judged that being yes, according to the current GBR data volume to be passed of the terminal obtained from the BSR that terminal reports, for the corresponding interface-free resources of authorization terminal.The GBR data volume and maximum amount of data and minimum data amount that base station passes through the actual transmissions of terminal in current period in the present invention, judge whether to carry out interface-free resources scheduling to terminal, when needing to dispatch, for the current corresponding interface-free resources of GBR data volume to be passed of authorization terminal and terminal, scheduling times are reduced, the occupancy to CCE resource is reduced.
Description
Technical field
The present invention relates to the dispatching methods and base station of the communications field more particularly to a kind of uplink GBR traffic.
Background technique
Ensures bit rate (Guaranteed Bit Rate, abbreviation GBR) business requires relatively high, GBR industry to propagation delay time
Business dispatching priority is only below signaling data, general in long term evolution (Long Term Evolution, abbreviation LTE) system
It can preferentially guarantee the rate of GBR traffic.
Currently, base station is in the GBR according to setting in each Transmission Time Interval (Transmission Time
Interval, abbreviation TTI) in, it can all pass through using the data dispatched required before the TTI as terminal data to be dispatched
Control channel unit (Control Channel Element, abbreviation CCE) is authorized to the terminal, sky of the terminal in authorization
Data are uploaded to base station in mouth resource.
Existing in GBR traffic dispatching method, base station requires to be scheduled terminal in each TTI, so as to end
To be scheduled number more at end, and due to dispatching every time when requires to occupy CCE resource, and scheduling times increase, so that CCE
Resource is nervous.
Summary of the invention
The present invention provides dispatching method and the base station of a kind of uplink GBR traffic, deposits in existing GBR traffic scheduling for solving
Each TTI in require to be scheduled terminal so that scheduling times are more, cause the anxiety of CCE resource.
To achieve the goals above, the dispatching method of a kind of uplink GBR traffic provided by the invention, comprising:
Base station is that the GBR traffic of terminal presets the corresponding maximum amount of data of maximum bit rate in unit period and guarantees ratio
The corresponding minimum data amount of special rate GBR；
The base station statistics obtains upper line number of the terminal in current period and passes GBR data volume transmitted by subframe；
The base station judges whether to need according to the maximum amount of data, the minimum data amount and the GBR data volume
Interface-free resources scheduling is carried out to the terminal；
If it is judged that be it is yes, the base station is according to obtaining from the buffer status report BSR that the terminal reports
The current GBR data volume to be passed of the terminal is the corresponding interface-free resources of the authorization terminal.
To achieve the goals above, a kind of base station provided by the invention, comprising:
It is corresponding to preset maximum bit rate in unit period for the guarantee rate GBR traffic for terminal for presetting module
Maximum amount of data and the corresponding minimum data amount of ensures bit rate GBR；
Module is obtained, obtains GBR number transmitted by upper line number biography subframe of the terminal in current period for counting
According to amount；
Judgment module, for being according to the maximum amount of data, the minimum data amount and the GBR data volume, judgement
It is no to need to carry out interface-free resources scheduling to the terminal；
Scheduler module is used for when the judgment result of the judgment module is yes, according to the caching reported from the terminal
The current GBR data volume to be passed of the terminal is obtained in state report BSR, is the corresponding interface-free resources of the authorization terminal.
The dispatching method of uplink GBR traffic provided by the invention and base station, base station are that the GBR traffic of terminal presets high specific
The corresponding maximum amount of data of special rate MBR and the corresponding minimum data amount of GBR, statistics obtain uplink of the terminal in current period
Number passes GBR data volume transmitted by subframe, according to the GBR data volume, maximum amount of data and minimum data amount, judges whether to need
Interface-free resources scheduling is carried out to terminal, be that authorization terminal is empty accordingly according to what is reported from terminal if it is judged that being yes
Mouth resource.In scheduling process, base station is according to current to be passed of the terminal obtained from the buffer status report BSR that terminal reports
GBR data volume is the corresponding interface-free resources of the authorization terminal.The actual transmissions that base station passes through terminal in current period in the present invention
GBR data volume and maximum amount of data and minimum data amount, judge whether to terminal carry out interface-free resources scheduling, needing to dispatch
When, it is authorization terminal and the terminal currently corresponding interface-free resources of GBR data volume to be passed, it is no longer necessary to terminal in each TTI
It is scheduled, improves the flexibility of scheduling, and reduce scheduling times, to reduce the occupancy to CCE resource.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the dispatching method for uplink GBR traffic that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of the dispatching method of uplink GBR traffic provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structural schematic diagram for base station that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram for judgment module that the embodiment of the present invention three provides；
Fig. 5 is a kind of structural schematic diagram for scheduler module that the embodiment of the present invention three provides；
Fig. 6 is a kind of structural schematic diagram for base station that the embodiment of the present invention four provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
Fig. 1 is a kind of flow diagram of the dispatching method for collection uplink GBR traffic that the embodiment of the present invention one provides.Such as figure
Shown in 1, the dispatching method of the uplink GBR traffic the following steps are included:
101, base station is that terminal presets the corresponding maximum amount of data of maximum bit rate MBR in unit period and guarantees bit
The corresponding minimum data amount of rate GBR.
Base station is according to third generation partner program (The3rd Generation Partnership in the present embodiment
Project, abbreviation 3GPP) GBR traffic for being defined as terminal in agreement is pre-configured with corresponding maximum bit rate
(Maximum Bit Rate, abbreviation MBR).The data of GBR traffic in 3GPP agreement between prescribed terminal and base station are transmitted
Rate is no more than preset MBR.Base station is made by terminal with the data volume that the preset MBR is sent in unit period to base station
Maximum amount of data is corresponded to for MBR, is denoted as Data_Max.
Further, base station is pre-configured with corresponding GBR according to the GBR traffic for being defined as terminal in 3GPP agreement.?
The message transmission rate of GBR traffic in 3GPP agreement between prescribed terminal and base station will reach preset GBR, if data pass
There is the case where lower than the GBR in defeated rate, just will affect the normal transmission of GBR traffic, to reduce user experience.The present embodiment
In, the data volume that base station sends terminal using the preset GBR in unit period to base station is as the corresponding minimum data of GBR
Amount, is denoted as Data_Min.36 serial protocols regulation MBR of 3GPP agreement are greater than GBR.
Herein it is to be appreciated that unit period service quality class identifier according to corresponding to GBR traffic in the present embodiment
(Quality of Service Class Identifier, abbreviation QCI) receptible time delay of institute determines.Wherein, when described
Prolonging can table look-up to obtain according to 36 serial protocols and QCI grade of 3GPP.
102, base station statistics obtains upper line number of the terminal in current period and passes GBR data volume transmitted by subframe.
Base station periodically counts the GBR data for obtaining and coming transmitted by upper line number biography subframe of the terminal within each period
Amount.Upload number of the terminal in current period is passed GBR data volume transmitted by subframe and is denoted as Data_ by base station in the present embodiment
GBR。
Wherein, base station count obtain upper line number of the terminal in current period pass GBR data volume transmitted by subframe it
Before, further includes:
In order to enable terminal can send data to base station, base station is carved at the beginning and needs initially to eat dishes without rice or wine to provide for terminal distribution
Source, so that the terminal sends data to base station in the initial interface-free resources.
103, base station judges whether to need to carry out terminal empty according to maximum amount of data, minimum data amount and GBR data volume
Mouth scheduling of resource.
Specifically, minimum data amount GBR and data volume are obtained the first difference as difference by base station, further judge the first difference
Whether it is greater than zero, if the first difference is greater than zero, illustrates GBR data volume lower than minimum data amount, the i.e. corresponding user of the terminal
Do not meet user for GBR, base station is that the interface-free resources that the terminal has authorized are not able to satisfy the demand of corresponding GBR traffic, base at this time
It stands, judges to need to carry out interface-free resources scheduling to terminal.
104, if it is judged that be it is yes, base station is according to the terminal obtained from the buffer status report BSR that terminal reports
Current GBR data volume to be passed is the corresponding interface-free resources of authorization terminal.
Specifically, base station obtains the current channel quality of eating dishes without rice or wine of terminal, selects for terminal corresponding with channel quality of eating dishes without rice or wine
Modulation with coding strategy (Modulation and Coding Scheme, abbreviation MCS) order, according to GBR data volume to be passed with
MCS order is that the terminal determines corresponding resource block (Resource Block, abbreviation RB).It is awarded by CCE to terminal base station
The RB of the determination is weighed, so that terminal sends data to base station on the RB.Wherein, base station receives the caching shape that terminal reports
State reports (Buffer Status Report, abbreviation BSR), which has shared how many to be transmitted for signals base terminal
For data there are in upper row buffer, such base station can get the current data to be transmitted amount of terminal from the BSR.
Further, base station corresponds to multiple terminals in practice, can will need to carry out interface-free resources scheduling in the present embodiment
Terminal be known as first terminal, if the first terminal is at least two, base station can be by each first terminal corresponding the
One difference obtains the first ratio as ratio with preset GBR rate value, which is obtained with the preset period as ratio
Second ratio.Base station is carried out according to the descending dispatching priority to each first terminal of the second ratio of each first terminal
Sequence obtains each first eventually according to the sequence of the dispatching priority from the BSR that each first terminal reports
Corresponding GBR data volume to be passed is held, is each corresponding interface-free resources of first terminal authorization according to the GBR data volume to be passed.
The dispatching method of uplink GBR traffic provided by the invention and base station, base station are that the GBR traffic of terminal presets unit week
The corresponding maximum amount of data of MBR and the corresponding minimum data amount of GBR in phase obtain upper line number of the terminal in current period and pass son
GBR data volume transmitted by frame judges whether to carry out the terminal empty according to GBR data, maximum amount of data and minimum data amount
Mouthful scheduling of resource, if it is judged that be it is yes, according to the GBR data to be passed of the terminal obtained from the BSR that terminal reports currently
Amount is the corresponding interface-free resources of authorization terminal.The GBR number that base station passes through the actual transmissions of terminal in current period in the present embodiment
According to amount and maximum amount of data and minimum data amount, judge whether to carry out interface-free resources scheduling to terminal, when needing to dispatch, for eventually
End authorizes the terminal currently corresponding interface-free resources of GBR data volume to be passed, it is no longer necessary to adjust in each TTI to terminal
Degree, improves the flexibility of scheduling, and reduce scheduling times, to reduce the occupancy to CCE resource.
Embodiment two
Fig. 2 is a kind of flow diagram of uplink GBR traffic dispatching method provided by Embodiment 2 of the present invention.Such as Fig. 2 institute
Show, the uplink GBR traffic dispatching method the following steps are included:
201, base station is that the corresponding maximum amount of data of MBR and GBR are corresponding most in the default unit period of GBR traffic of terminal
Small data quantity.
202, base station obtains upper line number of the terminal in current period and passes GBR data volume transmitted by subframe.
Step 201~step 202 detailed process, reference can be made to step 101~step 102 in above-described embodiment one, herein not
It repeats again.
203, base station obtains the first difference between minimum data amount and GBR data volume.
If 204, the first difference is greater than zero, base station judgement needs to carry out interface-free resources scheduling to terminal.
Minimum data amount Data_Min and GBR data volume Data_GBR are obtained the first difference as difference by base station.If this
Whether one difference is greater than zero, if it is judged that the first difference is greater than zero, illustrates that the Data_GBR received in current period is lower than
Data_Min, i.e. base station are the normal transmission that the interface-free resources that the terminal has authorized cannot be guaranteed GBR traffic, and base station executes step
204；If it is judged that this period inscribed GBR traffic data statistics amount (Data_GBR) received is higher than the number that GBR corresponds to the period
According to amount (Data_Min), base station needs to be implemented step 205.
205, the base station to be passed GBR data volume current according to the terminal obtained from the BSR that terminal reports, is awarded for the terminal
Weigh corresponding interface-free resources.
Specifically, base station obtains the channel quality of eating dishes without rice or wine of terminal, and selects suitable MCS rank according to the channel quality of eating dishes without rice or wine
Number, selects rank according to terminal GBR data volume to be passed and MCS, obtains this terminal and uploads the RB distributed required for GBR data volume to be passed
Number of resources.Base station is the enough RB resources of the terminal distribution in conjunction with the remaining RB resource of cell.It is awarded by CCE to terminal base station
The RB of distribution is weighed, so that terminal sends data to base station on the RB of distribution.
If 206, the first difference is less than zero, base station judges whether GBR data volume is higher than maximum amount of data.
When the first difference is less than zero, if it is judged that GBR data volume Data_GBR is higher than maximum amount of data Data_Max,
Illustrate that base station is that the allocated interface-free resources of terminal are sufficient, so that the transmission rate of terminal GBR traffic is higher than MBR, base station needs
Execute step 207；If it is judged that being not higher than maximum amount of data for GBR data volume, that is, judge that GBR data volume is in maximum
Between data volume and minimum data amount, base station executes step 209.
207, base station will stop carrying out interface-free resources scheduling to the terminal in current period.
208, the second difference between GBR data volume and maximum amount of data is included in the base station at next period by base station
Count in the GBR data volume obtained, the GBR data volume that second difference and statistics are obtained and value as next week
The GBR data volume in phase.
209, the dispatching priority of the terminal is arranged in after first terminal of all first differences greater than zero for base station.
In step 207 if it is judged that GBR data volume is not higher than maximum amount of data, that is, judge that GBR data volume is in
Between maximum amount of data and minimum data amount, illustrate that the message transmission rate meet demand of the GBR traffic of current period, data pass
Defeated rate reaches preset GBR and without departing from MBR, and illustrate GBR traffic can satisfy user demand.At this point, base station is by the end
The dispatching priority at end is arranged in after first terminal of all first differences greater than zero, first to carry out eating dishes without rice or wine to provide to first terminal
Source scheduling, to guarantee that the GBR traffic of first terminal is normally carried out.Wherein, first terminal is to need to carry out interface-free resources scheduling
Terminal.
210, after the completion of carrying out interface-free resources scheduling to all first terminals, base station, which judges whether to have can be used, eats dishes without rice or wine to provide
Source.
If GBR data volume Data_GBR between maximum amount of data Data_Max and minimum data amount Data_Min, is said
The GBR traffic of the bright terminal has reached the preset GBR rate, and is less than the preset MBR, i.e., base station is being somebody's turn to do for terminal
GBR traffic has distributed enough interface-free resources, can guarantee the normal transmission of GBR traffic.
Further, it eats dishes without rice or wine in the unsatisfied terminal of first terminal, that is, GBR to all first differences greater than zero
After scheduling of resource is completed, base station may determine that in scheduling TTI whether there is available interface-free resources, if it is judged that be it is yes,
Base station executes step 211；If it is judged that being no, base station execution step 212.
211, base station is that authorization terminal is eated dishes without rice or wine accordingly according to the GBR data volume to be passed obtained from the BSR that terminal reports
Resource.
When judging has available interface-free resources, in order to preferably utilize interface-free resources, base station can be terminal distribution
Interface-free resources can be used, so that improve data transfer efficiency, improves the utilization rate of interface-free resources.
It is eated dishes without rice or wine accordingly according to the GBR data volume to be passed obtained from the BSR that terminal reports for authorization terminal about base station
Resource detailed process, reference can be made to the record of related content, details are not described herein again.
212, base station is in the interface-free resources that current period maintenance has been authorization terminal.
If it is judged that not having available interface-free resources, base station no longer more eats dishes without rice or wine to authorization terminal in current period
Resource.And transmission rate required for the GBR traffic of the terminal has reached preset GBR and without departing from preset MBR at this time,
Base station can maintain be authorization terminal interface-free resources so that terminal can be sent in the interface-free resources authorized to base station
Data.
In the present embodiment, pass through the corresponding maximum amount of data of MBR in the setting unit period of the preparatory terminal in base station and GBR pairs
The minimum data amount answered, when the GBR data volume of terminal actual transmissions is lower than minimum data amount in current period, base station is to the end
End carries out interface-free resources scheduling, and when the GBR data volume in current period is between maximum amount of data and minimum data amount,
After ensureing transmission rate required for all GBR traffics, when having available interface-free resources, can further to terminal into
The scheduling of row interface-free resources, not only reduces scheduling times, reduces the occupancy to CCE resource, and be sufficiently used residue
Interface-free resources, improve the throughput of system.
Embodiment three
Fig. 3 is a kind of structural schematic diagram for base station that the embodiment of the present invention three provides.As shown in figure 3, the base station includes: pre-
If module 31 obtains module 32, judgment module 33 and scheduler module 34.
Wherein, presetting module 31, for presetting the corresponding maximum amount of data of MBR in unit period for the GBR traffic of terminal
Minimum data amount corresponding with GBR.
In the present embodiment, presetting module 31 is corresponded to previously according to the GBR traffic setting for being defined as terminal in 3GPP agreement
MBR.And the message transmission rate of the GBR traffic between the prescribed terminal and base station of 3GPP agreement has to be lower than this and presets
MBR.Presetting module 31 presets the maximum amount of data that terminal can be sent with the preset MBR to base station in each period, i.e.,
The corresponding maximum amount of data Data_Max of MBR.
Further, presetting module 31 configures GBR rate according to the GBR traffic for being defined as terminal in 3GPP agreement.?
The message transmission rate of GBR traffic in 3GPP agreement between prescribed terminal and base station will reach preset GBR, if data pass
Defeated rate is lower than the GBR, just will affect the normal transmission of GBR traffic, to reduce user experience.In the present embodiment, mould is preset
The data volume that block 31 is sent in unit period to base station according to terminal with preset GBR, it is corresponding most using the data volume as GBR
Small data quantity Data_Min.36 serial protocols regulation MBR of 3GPP agreement are greater than GBR.
The acquisition module 32 being connect with presetting module 31, for counting upper line number biography for obtaining terminal in current period
GBR data volume transmitted by frame.
It obtains module 32 and periodically counts the GBR that acquisition terminal comes transmitted by upper line number biography subframe within each period
Data volume.The GBR data volume that current period terminal sends over is denoted as Data_GBR in the present embodiment.
Wherein, it is counted in base station and obtains terminal in current period before GBR data volume transmitted by every number biography subframe,
In order to enable terminal can send data to base station, presetting module 31 carves base station at the beginning and needs initially to eat dishes without rice or wine for authorization terminal
Resource, so that the terminal sends data to base station in the initial interface-free resources.
With obtain the judgment module 33 that connect of module 32, for according to the maximum amount of data, the minimum data amount and
The GBR data volume judges whether to need to carry out interface-free resources scheduling to the terminal.
Fig. 4 is a kind of structural schematic diagram for judgment module that the embodiment of the present invention three provides.As shown in figure 4, the judgement mould
The a kind of of block 33 optionally realizes that structure includes: first acquisition unit 331 and judging unit 332.Specifically, first acquisition unit
Minimum data amount GBR and data volume are obtained the first difference as difference by 331.Judging unit 332 judges whether the first difference is greater than zero,
If the first difference is greater than zero, illustrate GBR data volume lower than minimum data amount, which is that GBR does not meet terminal, i.e. base station is
The interface-free resources that the terminal has authorized are not able to satisfy the demand of corresponding GBR traffic, judging unit 332 judge to need to terminal into
The scheduling of row interface-free resources.
The scheduler module 34 being connect with judgment module 33, for according to the terminal obtained from the BSR that the terminal reports
Current GBR data volume to be passed is the corresponding interface-free resources of authorization terminal.
Fig. 5 is a kind of structural schematic diagram for scheduler module that the embodiment of the present invention three provides.As shown in figure 5, the scheduling mould
The a kind of of block 34 optionally realizes that structure includes: that second acquisition unit 341, selecting unit 342, determination unit 343 and authorization are single
Member 344.
Specifically, second acquisition unit 341 obtains the current channel quality of eating dishes without rice or wine of terminal, connects with second acquisition unit 341
The selecting unit 342 connect is that terminal selects MCS order corresponding with channel quality of eating dishes without rice or wine, the determination connecting with selecting unit 342
Unit 343 is that terminal determines corresponding RB with MCS order according to GBR data volume to be passed.The authorization list being connect with determination unit 343
The RB that member 344 is determined by CCE to authorization terminal, so that terminal sends data to base station on RB.Wherein, second acquisition unit
341 can be also used for receiving the BSR that reports of terminal, the BSR for signals base terminal share how many data to be transmitted there are
In row buffer, such base station can get the current data to be transmitted amount of terminal from the BSR.
Further, judging unit 332, are also used to be less than in first difference or 1 when judges the GBR data
Whether amount is higher than the maximum amount of data, the scheduler module 34, if being also used to the GBR data volume higher than the maximum number
According to amount, in the current period will stop to the terminal carry out interface-free resources scheduling, and by the GBR data volume with it is described
Second difference of maximum amount of data is included in the base station and is counted in the GBR data volume obtained at next period, and by described the
Two differences and statistics obtain GBR data volume and value be used as next period in the GBR data volume.
Further, scheduler module 34 are also used to judge that the GBR data volume is in institute in the judging unit 343
It is when stating between maximum amount of data and the minimum data amount, the dispatching priority setting of the terminal is big in first difference
After zero each terminal, after the completion of each terminal scheduling of first difference greater than zero, judging whether there is, which can be used, eats dishes without rice or wine to provide
Interface-free resources are used if there is described in source, to the GBR data volume be in the maximum amount of data and the minimum data amount it
Between the terminal carry out interface-free resources scheduling.
In the present embodiment, base station is that MBR corresponds to maximum amount of data and GBR pairs in the default unit period of GBR traffic of terminal
The minimum data amount answered, statistics obtains GBR data volume transmitted by transmission subframe of the terminal in current period, according to GBR number
Judge whether to carry out interface-free resources scheduling to the terminal according to, maximum amount of data and minimum data amount, if it is judged that being yes, root
It is the corresponding interface-free resources of authorization terminal according to the current GBR data volume to be passed of the terminal obtained from the BSR that terminal reports.This reality
Base station is applied in example according to the GBR data volume of terminal actual transmissions in current period and the maximum amount of data and minimum data of the terminal
Amount, it is determined whether interface-free resources scheduling is carried out to terminal, is authorization terminal and terminal currently GBR number to be passed when needing to dispatch
According to corresponding interface-free resources are measured, terminal is scheduled in no longer each TTI, improves the flexibility of scheduling, and reduce
Scheduling times, to reduce the occupancy to CCE resource.Example IV
Fig. 6 is a kind of structural schematic diagram for base station that the embodiment of the present invention four provides.As shown in fig. 6, the base station is except including
Except presetting module 31, acquisition module 32, judgment module 33 and scheduler module 34 in above-described embodiment three, further includes: calculate
Module 35 and prioritization module 36.
Further, base station corresponds to multiple terminals in practice, each first difference can be greater than zero in the present embodiment
Terminal is known as first terminal, if first terminal is at least two, computing module 35 can be by each first terminal corresponding the
One difference obtains the first ratio as ratio with preset GBR rate value, which is obtained with the preset period as ratio
Second ratio.Prioritization module 36 according to each first terminal the descending tune to each first terminal of the second ratio
Degree priority is ranked up.
Scheduler module 34 according to the dispatching priority sequence, from the BSR that each first terminal reports
The corresponding GBR data volume to be passed of each first terminal is obtained, is each first terminal authorization phase according to the GBR data volume to be passed
The interface-free resources answered.MBR is configured for terminal by base station in the present embodiment and corresponds to maximum amount of data and the corresponding minimum data of GBR
Amount further can carry out interface-free resources scheduling to terminal, terminal is practical in current period when having available interface-free resources
When the GBR data volume of transmission is lower than minimum data amount, base station carries out interface-free resources scheduling to the terminal, and in current period
When GBR data volume is between maximum amount of data and minimum data amount, when having available interface-free resources, further to terminal into
The scheduling of row interface-free resources, not only reduces scheduling times, reduces the occupancy to CCE resource, and be sufficiently used residue
Interface-free resources, improve the throughput of system.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of dispatching method of uplink ensures bit rate GBR traffic characterized by comprising
Base station is that maximum bit rate MBR corresponds to maximum amount of data and guarantees bit in the default unit period of GBR traffic of terminal
Rate GBR corresponds to minimum data amount；
The base station statistics obtains upper line number of the terminal in current period and passes GBR data volume transmitted by subframe；
The base station judges whether to need to institute according to the maximum amount of data, the minimum data amount and the GBR data volume
It states terminal and carries out interface-free resources scheduling；
If it is judged that be it is yes, the base station from the buffer status report BSR that the terminal reports according to obtaining
The current GBR data volume to be passed of terminal is the corresponding interface-free resources of the authorization terminal；
Wherein, the base station judges whether to need according to the maximum amount of data, the minimum data amount and the GBR data volume
Interface-free resources scheduling is carried out to the terminal, comprising:
The base station obtains the first difference between the minimum data amount and the GBR data volume；
The base station judges whether first difference is greater than zero；
If first difference is greater than zero, the base station determines to need to carry out interface-free resources scheduling to the terminal；
Wherein, if first terminal of first difference greater than zero is at least two, the base station is whole by each described first
Corresponding first difference and preset GBR rate value is held to obtain the first ratio as ratio；
First ratio and the preset period are obtained the second ratio as ratio by the base station；
The base station is excellent according to the descending scheduling to each first terminal of the second ratio of each first terminal
First grade is ranked up；
It is obtained according to the sequence of the dispatching priority according to from the BSR that each first terminal reports the base station
Each of taking the corresponding GBR data volume to be passed of the first terminal is each corresponding interface-free resources of first terminal authorization.
2. the dispatching method of uplink GBR traffic according to claim 1, which is characterized in that the base station statistics obtains institute
It states before upper line number of the terminal in current period pass GBR data volume transmitted by subframe, further includes:
The base station is carved at the beginning as the initial interface-free resources of the authorization terminal, so that the terminal initially eats dishes without rice or wine to provide described
Data are sent to the base station on source.
3. the dispatching method of uplink GBR traffic according to claim 1, which is characterized in that described if it is judged that being
It is the base station to be passed GBR number current according to the terminal obtained from the buffer status report BSR that the terminal reports
It is the corresponding interface-free resources of the authorization terminal according to amount, comprising:
The base station obtains the current channel quality of eating dishes without rice or wine of the terminal；
The base station is terminal selection modulation corresponding with the channel quality of eating dishes without rice or wine and coding strategy MCS order；
The base station determines corresponding resource block RB according to the GBR data volume to be passed and the MCS order, for the terminal；
The base station by channel controller CCE to RB described in the authorization terminal so that the terminal on the RB to
The base station sends data.
4. the dispatching method of uplink GBR traffic according to claim 1, which is characterized in that further include:
If first difference, less than zero, the base station judges whether the GBR data volume is higher than the maximum amount of data；
If the GBR data volume is higher than the maximum amount of data, the base station will stop to described in the current period
Terminal carries out interface-free resources scheduling；
The second difference between the GBR data volume and the maximum amount of data is included in the base station in next week by the base station
When the phase statistics obtain GBR data volume in, and by second difference and statistics obtain GBR data volume and value conduct described in
The GBR data volume in next period.
5. the dispatching method of uplink GBR traffic according to claim 1, which is characterized in that further include:
If the GBR data volume is between the maximum amount of data and the minimum data amount, the base station is by the end
The dispatching priority at end is arranged in after first terminal of all first differences greater than zero；
After the completion of dispatching to all first terminals, the base station judges whether there is available interface-free resources；
If there is it is described use interface-free resources, the base station according to being obtained from the BSR that the terminal reports to
GBR data volume is passed, is that the corresponding interface-free resources of the authorization terminal carry out interface-free resources scheduling.
6. a kind of base station characterized by comprising
It is corresponding most to preset maximum bit rate in unit period for the guarantee rate GBR traffic for terminal for presetting module
Big data quantity and the corresponding minimum data amount of GBR；
Module is obtained, obtains GBR data volume transmitted by upper line number biography subframe of the terminal in current period for counting；
Judgment module is needed for judging whether according to the maximum amount of data, the minimum data amount and the GBR data volume
Interface-free resources scheduling is carried out to the terminal；
Scheduler module is used for when the judgment result of the judgment module is yes, according to the buffer status reported from the terminal
The current GBR data volume to be passed of the terminal is obtained in report BSR, is the corresponding interface-free resources of the authorization terminal；
Wherein, the judgment module includes:
First acquisition unit, for obtaining the first difference between the minimum data amount and the GBR data volume；
Judging unit, if first difference is greater than, judges to need to described for judging whether first difference is greater than
Terminal carries out interface-free resources scheduling；
Wherein, when being at least 2 if necessary to carry out the terminal of interface-free resources scheduling, the base station further include:
Computing module, for obtaining corresponding first difference of each terminal as ratio with preset GBR rate value
First ratio and the preset period are obtained the second ratio as ratio by the first ratio；
Prioritization module, for the descending dispatching priority to the terminal of the second ratio according to each terminal
Grade is ranked up；
The scheduler module is also used to the sequence according to the dispatching priority, according to reporting from each terminal
The GBR data volume to be passed obtained in BSR is each corresponding interface-free resources of authorization terminal.
7. base station according to claim 6, which is characterized in that the presetting module, it is described for being also used to carve at the beginning
The initial interface-free resources of authorization terminal, so that the terminal sends data to the base station in the initial interface-free resources.
8. base station according to claim 6, which is characterized in that the scheduler module includes:
Second acquisition unit, for obtaining the current channel quality of eating dishes without rice or wine of the terminal；
Selecting unit, for being modulated and coding strategy MCS order for terminal selection is corresponding with the channel quality of eating dishes without rice or wine；
Determination unit, for determining corresponding resource for the terminal according to the GBR data volume to be passed and the MCS order
Block RB；
Authorization unit, for passing through channel controller CCE to RB described in the authorization terminal, so that the terminal is in the RB
On to the base station send data.
9. base station according to claim 6, which is characterized in that the judging unit is also used to small in first difference
In or 1 when judge whether the GBR data volume is higher than the maximum amount of data；
The scheduler module will in the current period if being also used to the GBR data volume is higher than the maximum amount of data
Stop carrying out interface-free resources scheduling to the terminal, and by the second difference meter of the GBR data volume and the maximum amount of data
The GBR number for entering the base station to count at next period in the GBR data volume obtained, and second difference and statistics being obtained
According to amount with value as the GBR data volume in next period.
10. base station according to claim 6, which is characterized in that the scheduler module is also used to sentence in the judging unit
It is disconnected go out GBR data volume when being between the maximum amount of data and the minimum data amount, the scheduling of the terminal is excellent
First grade is arranged in after each terminal of first difference greater than zero, and each terminal scheduling to first difference greater than zero is completed
Afterwards, available interface-free resources are judged whether there is, interface-free resources is used if there is described, the maximum is in the GBR data volume
The terminal between data volume and the minimum data amount carries out interface-free resources scheduling.
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| CN106941729B (en) * | 2016-01-04 | 2020-06-16 | 中国移动通信集团公司 | Method and device for uploading and receiving buffer area state |
| CN107820319A (en) * | 2016-09-12 | 2018-03-20 | 中兴通讯股份有限公司 | For the device of terminal distribution ascending resource, method and ascending resource distributor |
| CN111629435B (en) * | 2019-02-27 | 2023-05-09 | 大唐移动通信设备有限公司 | Service scheduling method and equipment |
| CN110213831B (en) * | 2019-05-29 | 2022-05-24 | 成都中科微信息技术研究院有限公司 | Scheduling method and system combining SRS period |
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