CN105611638B - A kind of method of dispatch terminal and base station - Google Patents
A kind of method of dispatch terminal and base station Download PDFInfo
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- CN105611638B CN105611638B CN201511031706.5A CN201511031706A CN105611638B CN 105611638 B CN105611638 B CN 105611638B CN 201511031706 A CN201511031706 A CN 201511031706A CN 105611638 B CN105611638 B CN 105611638B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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Abstract
The embodiment of the invention discloses the method for dispatch terminal and base stations.In the embodiment of the present invention, obtain the PUCCH resource list that terminal and each terminal in the corresponding scheduling queue of kth downlink subframe are configured, in the case where determining that the number of the identical terminal of the PUCCH resource list is greater than first threshold, the identical terminal of the PUCCH resource list is determined as target terminal, and according to the integrated dispatch priority according to each target terminal, the corresponding dispatch terminal of the PUCCH resource to be allocated on the kth downlink subframe is determined.In the embodiment of the present invention, since the integrated dispatch priority of each target terminal is obtained according to whether the dispatching priority and each target terminal of each target terminal are assigned the PUCCH resource in the case where PUCCH resource conflict occurs, so as to effectively avoid the problem for causing some terminals that can not be scheduled for a long time since PUCCH resource conflict occurs.
Description
Technical field
The present invention relates to the methods and base station of field of communication technology more particularly to a kind of dispatch terminal.
Background technique
In LTE-A (Long Term Evolution-Advanced) the protocol version evolution for supporting carrier wave polymerization, it is
It supports multiple ACK/NACK feedback informations at sub-carrier (Component Carrier), two kinds is introduced in R10 agreement and is increased newly
PUCCH (Physical Uplink Control Channel, physical uplink control channel) channel format: band channel
The PUCCH format 1b (Format 1b with channel selection) and PUCCH format 3 (Format 3) of selection.
Base station is that the PUCCH format 1b with channel selection of terminal distribution and 3 resource of format pass through by under high-rise RRC signaling
Issue terminal, wherein the 1b resource with channel selection that high-rise RRC signaling issues is made of two the Resources lists, each list
1b resource comprising 4 with channel selection；3 resource of PUCCH format is made of a Resources list, and list includes 4 PUCCH lattice
3 resource of formula.If occupying the identical terminal number of PUCCH resource is more than 4, at the same these terminals identical sub-frame of uplink into
Row ACK NACK feedback, then can generate PUCCH resource conflict.On the other hand, with the introducing of two kinds of new PUCCH formats, it is
System need to additionally reserve uplink RB resource and use for PUCCH, generally only pre- to guarantee that enough RB are used to uplink data channels
Limited PUCCH RB resource is stayed, which results in the terminals for occupying identical PUCCH resource to carry out ACK/ in same sub-frame of uplink
NACK feedback, causes PUCCH resource conflict probability to substantially increase.
In the prior art, to avoid PUCCH resource conflict, the mode of limitation descending scheduling is generally taken, i.e., according to scheduling
Priority, when there is PUCCH resource conflict, the high terminal of dispatching priority is preferentially scheduled, and the end that dispatching priority is low
End will not be dispatched.As shown in Figure 1, to occur source scheduling mode when PUCCH resource conflict, terminal 0 in the prior art
Identical PUCCH resource is used with terminal 1, but the dispatching priority of terminal 0 is higher than terminal 1, according to HARQ (Hybrid
Automatic Repeat reQuest, hybrid automatic repeat-request) feedback ascending-descending subframes corresponding relationship, downlink subframe 0,
1 corresponds to sub-frame of uplink 7, and due to the PUCCH resource conflict of terminal 0 and terminal 1, while the dispatching priority of terminal 0 is higher than eventually
End 1, then terminal 0 is dispatched in downlink subframe 0, and terminal 1 will not be dispatched.If the dispatching priority of terminal 1 is lower, base
In above-mentioned scheduling strategy, terminal 0 will cannot dispatch for a long time since PUCCH resource conflict occurs.
To sum up, a kind of method for needing dispatch terminal at present solves to lead to some ends since PUCCH resource conflict occurs
Hold the problem that can not be scheduled for a long time.
Summary of the invention
The embodiment of the present invention provides method and the base station of a kind of dispatch terminal, and solution is caused due to PUCCH resource conflict
The problem that some terminals can not be scheduled for a long time.
A kind of method of dispatch terminal provided in an embodiment of the present invention, comprising:
Obtain the physical uplink that terminal and each terminal in the corresponding scheduling queue of kth downlink subframe are configured
Link control channel PUCCH resource list；
In the case where determining that the number of the identical terminal of the PUCCH resource list is greater than first threshold, by the PUCCH
The identical terminal of the Resources list is determined as target terminal；The first threshold be according in the PUCCH resource list to point
What the number with PUCCH resource determined；The PUCCH resource to be allocated refers to kth downlink described in the PUCCH resource list
Except the PUCCH resource distributed on scheduled downlink subframe in the hybrid automatic repeat-request HARQ feedback window of subframe
PUCCH resource；
PUCCH resource punching is occurring according to the dispatching priority of each target terminal and each target terminal
It whether is assigned the PUCCH resource in the case where prominent, obtains the integrated dispatch priority of each target terminal；
According to the integrated dispatch priority of each target terminal, determine described wait divide on the kth downlink subframe
With the corresponding dispatch terminal of PUCCH resource.
Preferably, described occurring according to the dispatching priority and each target terminal of each target terminal
Whether the PUCCH resource is assigned in the case where PUCCH resource conflict, and the integrated dispatch for obtaining each target terminal is excellent
First grade, comprising:
The PUCCH money whether is assigned in the case where PUCCH resource conflict occurs according to each target terminal
Source obtains the PUCCH resource conflict probability parameter of each target terminal；
According to the PUCCH resource conflict probability of the dispatching priority of each target terminal and each target terminal
Parameter obtains the integrated dispatch priority of each target terminal；
The PUCCH resource conflict probability parameter of the i-th target terminal is obtained by following formula:
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliFor
The number of i-th target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs.
Preferably, described according to the dispatching priority of each target terminal and the PUCCH of each target terminal
Resource contention probability parameter obtains the integrated dispatch priority of each target terminal, comprising:
The integrated dispatch priority of the i-th target terminal is determined by following formula:
P (i)=w1*p1(i)+w2*p2(i)
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2
It (i) is the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1；
The scheduling priority parameter of i-th target terminal is obtained by following formula:
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe scheduling of respectively each target terminal
The maximum value and minimum value of priority.
Preferably, the PUCCH resource that the target terminal is configured is the PUCCH format 1b with channel selection；
The integrated dispatch priority according to each target terminal, what determination was dispatched in the kth downlink subframe
After dispatch terminal, further includes:
By the physical downlink control channel PDCCH on main carrier to except the corresponding scheduling of the PUCCH resource to be allocated
Target terminal other than terminal carries out Physical Downlink Shared Channel PDSCH scheduling, wherein the PDSCH be located at main carrier and/or
Secondary carrier.
Preferably, the PUCCH resource that the target terminal is configured is PUCCH format 3；
The integrated dispatch priority according to each target terminal, what determination was dispatched in the kth downlink subframe
After dispatch terminal, further includes:
It is whole to the target in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated by the PDCCH on main carrier
End carries out Physical Downlink Shared Channel PDSCH scheduling, and the PDSCH is located at main carrier.
The embodiment of the present invention provides a kind of base station, which includes:
Module is obtained, for obtaining terminal and each terminal quilt in the corresponding scheduling queue of kth downlink subframe
The PUCCH resource list of configuration；
Determining module, for determining the case where number of the identical terminal of the PUCCH resource list is greater than first threshold
Under, the identical terminal of the PUCCH resource list is determined as target terminal；The first threshold is provided according to the PUCCH
What the number of the PUCCH resource to be allocated in the list of source determined；The PUCCH resource to be allocated refers to the PUCCH resource column
PUCCH except the PUCCH resource distributed on scheduled downlink subframe in the HARQ feedback window of kth downlink subframe described in table
Resource；
Determine integrated dispatch priority block, for according to each target terminal dispatching priority and each institute
It states whether target terminal is assigned the PUCCH resource in the case where PUCCH resource conflict occurs, obtains each target
The integrated dispatch priority of terminal；
Scheduler module is determined for the integrated dispatch priority according to each target terminal in kth downlink
The corresponding dispatch terminal of the PUCCH resource to be allocated on frame.
Preferably, the determining integrated dispatch priority block is specifically used for:
The PUCCH money whether is assigned in the case where PUCCH resource conflict occurs according to each target terminal
Source obtains the PUCCH resource conflict probability parameter of each target terminal；
According to the PUCCH resource conflict probability of the dispatching priority of each target terminal and each target terminal
Parameter obtains the integrated dispatch priority of each target terminal；
The PUCCH resource conflict probability parameter of the i-th target terminal is obtained by following formula:
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliFor
The number of i-th target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs.
Preferably, the determining integrated dispatch priority block is specifically used for:
The integrated dispatch priority of the i-th target terminal is determined by following formula:
P (i)=w1*p1(i)+w2*p2(i)
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2
It (i) is the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1；
The scheduling priority parameter of i-th target terminal is obtained by following formula:
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe scheduling of respectively each target terminal
The maximum value and minimum value of priority.
Preferably, the PUCCH resource that the target terminal is configured is the PUCCH format 1b with channel selection；
The scheduler module is also used to:
It is whole to the target in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated by the PDCCH on main carrier
End carries out PDSCH scheduling, wherein the PDSCH is located at main carrier and/or secondary carrier.
Preferably, the PUCCH resource that the target terminal is configured is PUCCH format 3；
The scheduler module is also used to:
It is whole to the target in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated by the PDCCH on main carrier
End carries out PDSCH scheduling, and the PDSCH is located at main carrier.
In the embodiment of the present invention, the terminal and each terminal in the corresponding scheduling queue of kth downlink subframe are obtained
The PUCCH resource list being configured determines the case where number of the identical terminal of the PUCCH resource list is greater than first threshold
Under, the identical terminal of the PUCCH resource list is determined as target terminal, and excellent according to the scheduling of each target terminal
Whether first grade and each target terminal are assigned the PUCCH resource in the case where PUCCH resource conflict occurs, and obtain
To the integrated dispatch priority of each target terminal, thus according to the integrated dispatch priority of each target terminal,
Determine the corresponding dispatch terminal of the PUCCH resource to be allocated on the kth downlink subframe.In the embodiment of the present invention, true
Surely in the case where PUCCH resource conflict occurring, determine that PUCCH to be allocated is provided according to the integrated dispatch priority of each target terminal
The corresponding dispatch terminal in source；Since the integrated dispatch priority of each target terminal is the dispatching priority according to each target terminal
Whether grade and each target terminal are assigned the PUCCH resource in the case where PUCCH resource conflict occurs and obtain
, so as to effectively avoid the problem for causing some terminals that can not be scheduled for a long time since PUCCH resource conflict occurs.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is flow diagram corresponding to a kind of method of dispatch terminal provided in an embodiment of the present invention；
Fig. 2 a and Fig. 2 b are scheduling schematic diagram when PUCCH resource conflict occurring in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The method of dispatch terminal is adaptable to plurality of application scenes in the embodiment of the present invention, is particularly suitable for carrier wave polymerization system
The scene of dispatch terminal in system.
Fig. 1 is flow diagram corresponding to a kind of method of dispatch terminal provided in an embodiment of the present invention, such as Fig. 1 institute
Show, this method comprises:
Step 101, obtain what terminal and each terminal in the corresponding scheduling queue of kth downlink subframe were configured
PUCCH resource list；
It step 102, will in the case where determining that the number of the identical terminal of the PUCCH resource list is greater than first threshold
The identical terminal of the PUCCH resource list is determined as target terminal；The first threshold is according to the PUCCH resource list
In PUCCH resource to be allocated number determine；The PUCCH resource to be allocated refers to institute in the PUCCH resource list
State the PUCCH resource except the PUCCH resource distributed on the scheduled downlink subframe in the HARQ feedback window of kth downlink subframe；
Step 103, occurred according to the dispatching priority of each target terminal and each target terminal
Whether the PUCCH resource is assigned in the case where PUCCH resource conflict, and the integrated dispatch for obtaining each target terminal is excellent
First grade；
Step 104, it according to the integrated dispatch priority of each target terminal, determines on the kth downlink subframe
The corresponding dispatch terminal of the PUCCH resource to be allocated.
In the embodiment of the present invention, in the case where determining generation PUCCH resource conflict, according to the synthesis of each target terminal
Dispatching priority determines the corresponding dispatch terminal of PUCCH resource to be allocated；Due to the integrated dispatch priority of each target terminal
It is dispatching priority and each target terminal according to each target terminal in the case where PUCCH resource conflict occurs
Whether it is assigned what the PUCCH resource obtained, so as to effectively avoid leading to some since PUCCH resource conflict occurs
The problem that terminal can not be scheduled for a long time.
In a step 101, the number of the terminal in the corresponding scheduling queue of kth downlink subframe is obtained, and according to system list
The maximum processing capability of frame determines the number of the maximum allowable single frames dispatch terminal of system, if of the terminal in scheduling queue
Number is greater than the number of the maximum allowable single frames dispatch terminal of system, then, will according to the dispatching priority of the terminal in scheduling queue
The higher terminal of dispatching priority is determined as kth downlink subframe terminal to be scheduled.Wherein, kth downlink subframe end to be scheduled
The number at end should be less than or the number of the single frames dispatch terminal maximum allowable equal to system.To maximally utilise resource, this
In inventive embodiments, the number of kth downlink subframe terminal to be scheduled can be identified as being equal to the maximum allowable single frames scheduling of system
The number of terminal.
Specifically, the dispatching priority of terminal can determine in several ways, for example, can according to the type of service of terminal,
Terminal portfolio etc. to be processed obtains.The embodiment of the present invention is without limitation.
In the embodiment of the present invention, PUCCH that each terminal in the corresponding scheduling queue of kth downlink subframe is configured
The Resources list can be the PUCCH format 1b selected that takes a message, or PUCCH format 3, alternatively, can also include simultaneously
PUCCH format 1b and PUCCH format 3 with channel selection.
Specifically, high-rise by RRC (Radio Resource Control, radio resource control) signaling
Which kind of PUCCH channel format " PUCCH-ConfigDedicated-v1020 → pucch-Format-r10 " configurating terminal uses
Carry out the feedback of ACK/NACK.Such as, however, it is determined that PDCCH (the Physical Downlink Control in secondary cell need to be used
Channel, Physical Downlink Control Channel) PDSCH (Physical Downlink Shared Channel, object are carried out to terminal
Manage DSCH Downlink Shared Channel) scheduling, then determine that the PUCCH format 1b resource with channel selection need to be configured for the terminal；If it is determined that needing
PDSCH scheduling, and the corresponding DAI of the PDCCH (Downlink Assignment are carried out to terminal using the PDCCH on main plot
Index) it is greater than 1, or the PDSCH in secondary cell need to be dispatched, then determines that 3 resource of PUCCH format need to be configured for the terminal.
Wherein, the PUCCH format 1b resource with channel selection by RRC signaling " pucch-Format-r10 →
ChannelSelection-r10 → n1PUCCH-AN-CS-List-r10 " is handed down to terminal, and 3 resource of PUCCH format passes through RRC
" pucch-Format-r10 → format3-r10 → n3PUCCH-AN-List-r10 " in signaling is handed down to terminal.
It is configured with the PUCCH format 1b with channel selection if terminal, then needs to provide for terminal distribution one or a pair of PUCCH
Source list, each list include 4 1b resources with channel selection；
It is configured with PUCCH format 3 if terminal, then is needed as one PUCCH resource list of terminal distribution, which includes 4
A 3 resource of PUCCH format.
The PUCCH resource list being configured below with each terminal in the corresponding scheduling queue of kth downlink subframe
To be illustrated for the PUCCH format 1b with channel selection or PUCCH format 3.
In the embodiment of the present invention, HARQ feedback window is used to indicate the ascending-descending subframes corresponding relationship of ACK feedback, for FDD
System, the corresponding downlink subframe of a sub-frame of uplink；For TDD system, a sub-frame of uplink can correspond to multiple downlink subframes,
It is as shown in table 1 the HARQ feedback window schematic table of TDD system, for example, in the case where ascending-descending subframes configuration 2, sub-frame of uplink 2
The corresponding subframe of front the 8th, 7,4,6, i.e. the uplink feedback subframe of downlink subframe 4,5,6,8 are sub-frame of uplink 2.
The HARQ feedback window of table 1:TDD system is illustrated
In a step 102, by taking the downlink subframe in HARQ feedback window is respectively subframe 4, subframe 5, subframe 6, subframe 8 as an example
It is illustrated.
For the first subframe in HARQ feedback window, i.e. subframe 4, at this point, the terminal in the scheduling queue of subframe 4 is terminal
A, terminal b, terminal c, terminal d, and the PUCCH resource list of terminal a, terminal b, terminal c, terminal d distribution is identical, in the list
The instruction information of PUCCH resource is respectively 0,1,2,3.At this point, the number of the PUCCH resource to be allocated in PUCCH resource list
Equal to 4；In subframe 4, the PUCCH resource that resource indication information in PUCCH resource list is 0,1,2,3 is distinguished into distribution terminal
A, terminal b, terminal c, terminal d.
For the second subframe in HARQ feedback window, i.e. subframe 5, at this point, the terminal in the scheduling queue of subframe 4 is terminal
E, terminal f, terminal g, terminal h, and the PUCCH resource list of terminal e, terminal f, terminal g, terminal h distribution is identical, in the list
The resource indication information of PUCCH resource is respectively 3,4,5,6.Due to resource indication information be 3 PUCCH resource scheduled
Terminal d is distributed in subframe 4, then PUCCH resource to be allocated is except the resource indication information is in PUCCH resource list at this time
PUCCH resource other than 3 PUCCH resource, i.e. resource indication information are respectively 4,5,6 PUCCH resource namely to be allocated
The number of PUCCH resource is 3.
Similarly, for the third and fourth subframe in HARQ feedback window, i.e. subframe 6 and subframe 8, in PUCCH resource list
The number of PUCCH resource to be allocated can be obtained according to aforesaid way.
Further, first threshold can be equal to the number of the PUCCH resource to be allocated in PUCCH resource list.For example,
If the number of PUCCH resource to be allocated is 3, first threshold is also 3.When the number of the identical terminal of PUCCH resource list is big
When 3, due to only having 3 PUCCH resources to be allocated, can determine that generation PUCCH resource conflict, and PUCCH resource is arranged
The identical terminal of table is determined as target terminal.
In step 103, whether it is assigned according to each target terminal in the case where PUCCH resource conflict occurs
The PUCCH resource obtains the PUCCH resource conflict probability parameter of each target terminal；Specifically, for therein one
A target terminal, it is assumed that be the i-th target terminal, the PUCCH resource conflict probability of the i-th target terminal can be obtained by following formula
Parameter:
... formula 1
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliFor
The number of i-th target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs.
The scheduling priority parameter of the i-th target terminal is obtained by following formula:
... formula 2
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe scheduling of respectively each target terminal
The maximum value and minimum value of priority.
So as to according to the dispatching priority of the PUCCH resource conflict probability parameter of the i-th target terminal and the i-th target terminal
Parameter determines the integrated dispatch priority of the i-th target terminal by following formula:
P (i)=w1*p1(i)+w2*p2(i) ... formula 3
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2
It (i) is the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1.
The embodiment of the present invention determines the integrated dispatch priority of each target terminal through the above way, so that really
The integrated dispatch priority made is described in view of whether target terminal is assigned in the case where PUCCH resource conflict occurs
The probability that PUCCH resource, i.e. target terminal are not assigned to PUCCH resource in the case where PUCCH resource conflict occurs is bigger,
Then the integrated dispatch priority of calculated target terminal is bigger, to promote the target terminal in this PUCCH resource conflict
In be assigned the probability of PUCCH resource, that is, promote the scheduled probability of the target terminal.
Fig. 2 a and Fig. 2 b are scheduling schematic diagram when PUCCH resource conflict occurs.
As shown in Figure 2 a, in subframe 1, PUCCH resource conflict occurs for terminal x and terminal y, and the integrated dispatch of terminal x is excellent
First grade is 0.7, the integrated dispatch priority 0.6 of terminal y, and since the integrated dispatch priority of terminal x is greater than the synthesis of terminal y
Dispatching priority, therefore, in subframe 1, terminal x is dispatched, that is, is assigned PUCCH resource, the unassigned PUCCH of terminal y
Resource.
As shown in Figure 2 b, in subsequent subframe, for example, PUCCH money occurs again for terminal x and terminal y in subframe 4
Source conflict, at this point, when determining integrated dispatch priority through the above way, due to the PUCCH resource conflict probability parameter of terminal y
Become larger, therefore, it is possible to the case where integrated dispatch priority that will appear terminal x is less than the integrated dispatch priority of terminal y, example
Such as, the integrated dispatch priority of terminal x is 0.6, the integrated dispatch priority 0.7 of terminal y, at this point, terminal y will be dispatched,
It is assigned PUCCH resource, the unassigned PUCCH resource of terminal x.To realize terminal x and terminal y has an opportunity to be scheduled
Effect, avoid because the dispatching priority of certain terminals is lower cannot to be dispatched for a long time the problem of.
At step 104, it according to the integrated dispatch priority of each target terminal, determines on kth downlink subframe wait divide
With the corresponding dispatch terminal of PUCCH resource, i.e., each PUCCH resource to be allocated is respectively allocated to each dispatch terminal.For example,
If the number of PUCCH resource to be allocated is 3, integrated dispatch can be chosen according to the integrated dispatch priority of each target terminal
PUCCH resource to be allocated is respectively allocated to 3 dispatch terminals as dispatch terminal by 3 high target terminals of priority.Specifically
Ground can be determined as each dispatch terminal distribution by the corresponding TPC of PDCCH (Transmit Power Control) field
PUCCH resource.
In the embodiment of the present invention, it is directed to the target end that PUCCH resource conflict occurs and is not available the PUCCH resource
End, can adjust as follows its scheduling mode:
In the case where the PUCCH resource that target terminal is configured is the PUCCH format 1b with channel selection, master can be passed through
PDCCH on carrier wave carries out PDSCH scheduling to the target terminal in addition to the corresponding dispatch terminal of PUCCH resource to be allocated,
In, the PDSCH is located at main carrier and/or secondary carrier.It is PUCCH format 3 in the PUCCH resource that target terminal is configured, it can
PDSCH tune is carried out to the target terminal in addition to the corresponding dispatch terminal of PUCCH resource to be allocated by the PDCCH on main carrier
Degree, and PDSCH is only located at main carrier, i.e., is not scheduled to the PDSCH in secondary carrier.It is only right meanwhile in HARQ feedback window
One PDSCH subframe of the terminal scheduling.
In the embodiment of the present invention, the terminal and each terminal in the corresponding scheduling queue of kth downlink subframe are obtained
The PUCCH resource list being configured determines the case where number of the identical terminal of the PUCCH resource list is greater than first threshold
Under, the identical terminal of the PUCCH resource list is determined as target terminal, and excellent according to the scheduling of each target terminal
Whether first grade and each target terminal are assigned the PUCCH resource in the case where PUCCH resource conflict occurs, and obtain
To the integrated dispatch priority of each target terminal, thus according to the integrated dispatch priority of each target terminal,
Determine the corresponding dispatch terminal of the PUCCH resource to be allocated on the kth downlink subframe.In the embodiment of the present invention, true
Surely in the case where PUCCH resource conflict occurring, determine that PUCCH to be allocated is provided according to the integrated dispatch priority of each target terminal
The corresponding dispatch terminal in source；Since the integrated dispatch priority of each target terminal is the dispatching priority according to each target terminal
Whether grade and each target terminal are assigned the PUCCH resource in the case where PUCCH resource conflict occurs and obtain
, so as to effectively avoid the problem for causing some terminals that can not be scheduled for a long time since PUCCH resource conflict occurs.
For above method process, the embodiment of the present invention also provides a kind of base station, and the particular content of the base station is referred to
The above method is implemented, and details are not described herein.
Fig. 3 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention, as shown in figure 3, the base station includes:
Module 301 is obtained, for obtaining terminal and each terminal in the corresponding scheduling queue of kth downlink subframe
The PUCCH resource list being configured；
Determining module 302, for determining that the number of the identical terminal of the PUCCH resource list is greater than the feelings of first threshold
Under condition, the identical terminal of the PUCCH resource list is determined as target terminal；The first threshold is according to the PUCCH
What the number of the PUCCH resource to be allocated in the Resources list determined；The PUCCH resource to be allocated refers to the PUCCH resource
Except the PUCCH resource distributed on scheduled downlink subframe in the HARQ feedback window of kth downlink subframe described in list
PUCCH resource；
Integrated dispatch priority block 303 is determined, for according to the dispatching priority of each target terminal and each
Whether a target terminal is assigned the PUCCH resource in the case where PUCCH resource conflict occurs, and obtains each described
The integrated dispatch priority of target terminal；
Scheduler module 304 determines under the kth for the integrated dispatch priority according to each target terminal
The corresponding dispatch terminal of the PUCCH resource to be allocated in row subframe.
Preferably, the determining integrated dispatch priority block 303 is specifically used for:
The PUCCH money whether is assigned in the case where PUCCH resource conflict occurs according to each target terminal
Source obtains the PUCCH resource conflict probability parameter of each target terminal；
According to the PUCCH resource conflict probability of the dispatching priority of each target terminal and each target terminal
Parameter obtains the integrated dispatch priority of each target terminal；
The PUCCH resource conflict probability parameter of the i-th target terminal is obtained by following formula:
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliFor
The number of i-th target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs.
Preferably, the determining integrated dispatch priority block 303 is specifically used for:
The integrated dispatch priority of the i-th target terminal is determined by following formula:
P (i)=w1*p1(i)+w2*p2(i)
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2
It (i) is the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1；
The scheduling priority parameter of i-th target terminal is obtained by following formula:
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe scheduling of respectively each target terminal
The maximum value and minimum value of priority.
Preferably, the PUCCH resource that the target terminal is configured is the PUCCH format 1b with channel selection；
The scheduler module 304 is also used to:
It is whole to the target in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated by the PDCCH on main carrier
End carries out PDSCH scheduling, wherein the PDSCH is located at main carrier and/or secondary carrier.
Preferably, the PUCCH resource that the target terminal is configured is PUCCH format 3；
The scheduler module 304 is also used to:
It is whole to the target in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated by the PDCCH on main carrier
End carries out PDSCH scheduling, and the PDSCH is only located at main carrier.
It can be seen from the above: in the embodiment of the present invention, obtaining the end in the corresponding scheduling queue of kth downlink subframe
The PUCCH resource list that end and each terminal are configured, determines the number of the identical terminal of the PUCCH resource list
In the case where greater than first threshold, the identical terminal of the PUCCH resource list is determined as target terminal, and according to each institute
Whether the dispatching priority and each target terminal for stating target terminal are divided in the case where PUCCH resource conflict occurs
With the PUCCH resource, the integrated dispatch priority of each target terminal is obtained, thus according to each target terminal
Integrated dispatch priority, determine the corresponding dispatch terminal of the PUCCH resource to be allocated on the kth downlink subframe.This
In inventive embodiments, in the case where determining generation PUCCH resource conflict, according to the integrated dispatch priority of each target terminal
Determine the corresponding dispatch terminal of PUCCH resource to be allocated；Since the integrated dispatch priority of each target terminal is according to each
Whether the dispatching priority of target terminal and each target terminal are assigned in the case where PUCCH resource conflict occurs
What the PUCCH resource obtained, so as to effectively avoid leading to the long-term nothing of some terminals since PUCCH resource conflict occurs
The scheduled problem of method.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of method of dispatch terminal, which is characterized in that this method comprises:
Obtain the physical uplink link that terminal and each terminal in the corresponding scheduling queue of kth downlink subframe are configured
Control channel PUCCH resource list；
In the case where determining that the number of the identical terminal of the PUCCH resource list is greater than first threshold, by the PUCCH resource
The identical terminal of list is determined as target terminal；The first threshold is according to be allocated in the PUCCH resource list
What the number of PUCCH resource determined；The PUCCH resource to be allocated refers to of kth downlink described in the PUCCH resource list
PUCCH except the PUCCH resource distributed on scheduled downlink subframe in the hybrid automatic repeat-request HARQ feedback window of frame
Resource；
It whether is assigned the PUCCH resource in the case where PUCCH resource conflict occurs according to each target terminal, is obtained
To the PUCCH resource conflict probability parameter of each target terminal；
Joined according to the PUCCH resource conflict probability of the dispatching priority of each target terminal and each target terminal
Number, obtains the integrated dispatch priority of each target terminal；
According to the integrated dispatch priority of each target terminal, determination is described to be allocated on the kth downlink subframe
The corresponding dispatch terminal of PUCCH resource；
The PUCCH resource conflict probability parameter of the i-th target terminal is obtained by following formula:
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliIt is i-th
The number of target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs；
The integrated dispatch priority of the i-th target terminal is determined by following formula:
P (i)=w1*p1(i)+w2*p2(i)
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2(i)
For the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1；
The scheduling priority parameter of i-th target terminal is obtained by following formula:
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe dispatching priority of respectively each target terminal
The maximum value and minimum value of grade.
2. the method as described in claim 1, which is characterized in that the PUCCH resource that the target terminal is configured is band channel
The PUCCH format 1b of selection；
The integrated dispatch priority according to each target terminal determines the scheduling dispatched in the kth downlink subframe
After terminal, further includes:
By the physical downlink control channel PDCCH on main carrier to except the corresponding dispatch terminal of the PUCCH resource to be allocated
Target terminal in addition carries out Physical Downlink Shared Channel PDSCH scheduling, wherein the PDSCH is located at main carrier and/or auxiliary load
Wave.
3. the method as described in claim 1, which is characterized in that the PUCCH resource that the target terminal is configured is PUCCH lattice
Formula 3；
The integrated dispatch priority according to each target terminal determines the scheduling dispatched in the kth downlink subframe
After terminal, further includes:
By the PDCCH on main carrier to the target terminal in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated into
Row Physical Downlink Shared Channel PDSCH scheduling, and the PDSCH is located at main carrier.
4. a kind of base station, which is characterized in that the base station includes:
Module is obtained, is configured for obtaining terminal in the corresponding scheduling queue of kth downlink subframe and each terminal
PUCCH resource list；
Determining module will in the case where determining that the number of the identical terminal of the PUCCH resource list is greater than first threshold
The identical terminal of the PUCCH resource list is determined as target terminal；The first threshold is according to the PUCCH resource list
In PUCCH resource to be allocated number determine；The PUCCH resource to be allocated refers to institute in the PUCCH resource list
State the PUCCH resource except the PUCCH resource distributed on the scheduled downlink subframe in the HARQ feedback window of kth downlink subframe；
Determine integrated dispatch priority block, for according to each target terminal there is a situation where PUCCH resource conflicts
Under whether be assigned the PUCCH resource, obtain the PUCCH resource conflict probability parameter of each target terminal；And root
According to the dispatching priority of each target terminal and the PUCCH resource conflict probability parameter of each target terminal, obtain
The integrated dispatch priority of each target terminal；
Scheduler module determines on the kth downlink subframe for the integrated dispatch priority according to each target terminal
The corresponding dispatch terminal of the PUCCH resource to be allocated；
It determines integrated dispatch priority block, is specifically used for:
The PUCCH resource conflict probability parameter of the i-th target terminal is obtained by following formula:
Wherein, pucchConflictiThe number of PUCCH resource conflict, pucchOccupy occur for the i-th target terminaliIt is i-th
The number of target terminal unassigned PUCCH resource in the case where PUCCH resource conflict occurs；
The integrated dispatch priority of the i-th target terminal is determined by following formula:
P (i)=w1*p1(i)+w2*p2(i)
Wherein, the integrated dispatch priority of the i-th target terminal of P (i)；p1It (i) is the scheduling priority parameter of the i-th terminal, p2(i)
For the PUCCH resource conflict probability parameter of the i-th terminal, w1、w2For weight, and w1+w2=1；
The scheduling priority parameter of i-th target terminal is obtained by following formula:
Wherein, piFor the dispatching priority of the i-th target terminal, pmaxAnd pminThe dispatching priority of respectively each target terminal
The maximum value and minimum value of grade.
5. base station as claimed in claim 4, which is characterized in that the PUCCH resource that the target terminal is configured is band channel
The PUCCH format 1b of selection；
The scheduler module is also used to:
By the PDCCH on main carrier to the target terminal in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated into
Row PDSCH scheduling, wherein the PDSCH is located at main carrier and/or secondary carrier.
6. base station as claimed in claim 4, which is characterized in that the PUCCH resource that the target terminal is configured is PUCCH lattice
Formula 3；
The scheduler module is also used to:
By the PDCCH on main carrier to the target terminal in addition to the corresponding dispatch terminal of the PUCCH resource to be allocated into
Row PDSCH scheduling, and the PDSCH is located at main carrier.
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| CN106102169B (en) * | 2016-05-26 | 2019-11-19 | 京信通信系统（中国）有限公司 | PUCCH resource configuration method and base station in a kind of LTE system |
| CN108012333B (en) * | 2016-11-02 | 2020-04-21 | 普天信息技术有限公司 | Resource allocation method and device for downlink control channel in LTE (Long term evolution) system |
| CN111835478B (en) * | 2019-04-23 | 2021-07-23 | 大唐移动通信设备有限公司 | PUCCH resource allocation method and device |
| CN112311509B (en) * | 2019-07-26 | 2021-11-12 | 大唐移动通信设备有限公司 | Resource allocation method and device |
| CN112448754B (en) * | 2019-09-05 | 2023-05-12 | 海能达通信股份有限公司 | Resource allocation method, device, storage medium and satellite communication system |
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| CN102907036A (en) * | 2010-04-01 | 2013-01-30 | 诺基亚西门子通信公司 | Periodic channel state information signaling with carrier aggregation |
| CN103874221A (en) * | 2012-12-13 | 2014-06-18 | 电信科学技术研究院 | Resource scheduling method and apparatus |
| CN104284424A (en) * | 2013-07-05 | 2015-01-14 | 电信科学技术研究院 | Uplink control channel resource allocating method in multi-antenna system and base station |
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| CN102907036A (en) * | 2010-04-01 | 2013-01-30 | 诺基亚西门子通信公司 | Periodic channel state information signaling with carrier aggregation |
| CN103874221A (en) * | 2012-12-13 | 2014-06-18 | 电信科学技术研究院 | Resource scheduling method and apparatus |
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