CN103874210A - Resource allocation method for uplink resource pool and base station - Google Patents
Resource allocation method for uplink resource pool and base station Download PDFInfo
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- CN103874210A CN103874210A CN201210548154.5A CN201210548154A CN103874210A CN 103874210 A CN103874210 A CN 103874210A CN 201210548154 A CN201210548154 A CN 201210548154A CN 103874210 A CN103874210 A CN 103874210A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The invention discloses a resource allocation method for an uplink resource pool and a base station. The method comprises the following steps: determining a virtual resource pool RbNum according to the residual bandwidth resource of the to-be-scheduled uplink sub-frames of each piece of to-be-scheduled user equipment (UE) at an uplink authentication moment; determining a resource allocation flag according to the scheduling situation of the UE on two to-be-scheduled uplink sub-frames; performing first resource allocation, second resource allocation and determination of the final number of resource blocks (RB) in sequence according to the determined virtual resource pool RbNum and allocation flag to obtain the number of RBs allocated to each piece of to-be-scheduled UE; constructing an RB resource bitmap allocated to each piece of to-be-scheduled UE according to the number of RBs allocated to each piece of to-be-scheduled UE to generate a downlink control information format 0 (DCI0), wherein the DCI0 instructs the UE to perform uplink service transmission on the scheduled uplink sub-frames.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of uplink shared resources Pooled resources distribution method and base station.
Background technology
At third generation partner program (3rd Generation Partner Project, 3GPP) Long Term Evolution (Long Term Evolution, LTE) in Frequency Division Multiplexing system, the air interface of LTE is with OFDM (Orthogonal Frequency Division Multiplexing, OFDM) technology is basis, adopt the subcarrier width of 15kHz, realize variable system bandwidth (1.4 to 20MHz) by different number of sub carrier wave (being generally 72 to 1200).LTE supports two kinds of frame structures, Class1 (Type1) and Type2, wherein Type1 is for Frequency Division Duplexing (FDD) (Frequency Division Duplexing, FDD), Type2 is for time division duplex (Time Division Duplexing, TDD).Type2TDD frame structure is supported 7 kinds of different proportionings of time scale up and down (being proportioning 0～6), can arrange according to the characteristic of system business amount.The maximum uplink traffic in community depends on different time ratio proportioning, proportioning 1 is 5 to the maximum to the sub-frame of uplink number of proportioning 6, authorize schedule information descending control information format 0 (Downlink Control Information format0, DCI0) (this subframe is reserved Physical Uplink Shared Channel (Physical UplinkShared CHannel only to dispatch a sub-frame of uplink, PUSCH) bandwidth taking), sub-frame of uplink is less than or equals descending sub frame (comprising special subframe S), and a descending sub frame is only dispatched a sub-frame of uplink.In order to guarantee that cell uplink flow maximizes, need the frequency domain resource of each sub-frame of uplink of reasonable distribution, no matter there is single-user equipment (UserEquipment in community, UE) still many UE need maximum reasonable to utilize sub-frame of uplink remaining bandwidth resource, this remaining bandwidth resource is that this sub-frame of uplink is that the reserved maximum residual bandwidth resources of PUSCH (are removed physical uplink control channel (Physical Uplink Control CHannel, PUCCH) resource and Physical Random Access Channel (PhysicalRandom Access Channel, PRACH) resource, Msg3 scheduling, retransmission process, remaining bandwidth resources after the bandwidth that single-shot UCI etc. takies), be equivalent to the resource bitmap that rationally utilizes upstream bandwidth.
But, different from proportioning 1～6 is, a radio frames of proportioning 0 comprises 6 sub-frame of uplink and 4 descending sub frames (comprising special subframe S), be DSUUU DSUUU, as shown in Figure 1, wherein D represents descending sub frame (Downlink subframe), and S represents special subframe (Special subframe), and U represents sub-frame of uplink (Uplink subframe).Sub-frame of uplink is more than descending sub frame number (comprising special subframe), there will be a descending sub frame (comprising special subframe S) to dispatch two sub-frame of uplink situation of (only comprising the maximum residual bandwidth resources that PUSCH takies) simultaneously, it is final that by the upper line identifier (ULindex) in DCI0, (UL index=10 indexed resource distributes finally at the first sub-frame of uplink, UL index=01 indexed resource distributes finally at second sub-frame of uplink, UL index=11 indexed resource distributes final simultaneously at first and second sub-frame of uplink public resource bitmap) indicate UE to realize time domain (first sub-frame of uplink and second sub-frame of uplink) and frequency domain (sub-frame of uplink system bandwidth) combination, due to UL index value difference, cause the preallocated resource of described UE on different sub-frame of uplink, be a sub-frame of uplink frequency domain assigns authorized with respect to other proportionings, proportioning 0 is more complicated.At present, by simple two sub-frame of uplink maximum residual bandwidth resources cumulative mode is distributed to ascending resource, but this method can not rationally be utilized two sub-frame of uplink system bandwidths, cannot make cell uplink flow maximize.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of uplink shared resources Pooled resources distribution method and base station, can rationally utilize and wait to dispatch two sub-frame of uplink system bandwidth resources, and cell uplink flow is maximized.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of uplink shared resources Pooled resources distribution method, be applied to base station, described method comprises:
Treat that according to each scheduling user's set (UE), in the remaining bandwidth resource for the treatment of dispatching uplink subframe in uplink authorization moment, determines virtual shared resource pond VirtualResourcePoolRbNum;
In the scheduling situation of waiting to dispatch two sub-frame of uplink, determine resource distribution pre-scheduling mark AllocationFlag according to UE;
According to definite VirtualResourcePoolRbNum and AllocationFlag, carry out successively resource distribution for the first time, resource distribution for the second time and final Resource Block (RB) number and determine, obtain the RB number distributing for each UE to be dispatched;
According to the RB number distributing for each UE to be dispatched, obtain the RB resource bitmap for each UE distribution to be dispatched, generate descending control information format 0 (DCI0), described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.
Preferably, described according to each UE to be dispatched the remaining bandwidth resource for the treatment of dispatching uplink subframe in the uplink authorization moment, determine virtual shared resource pond, for:
According to the subframe structure of time division duplex (TDD) proportioning 0, statistics authorizes the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively; UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain VirtualResourcePoolRbNum, wherein, the percentage factor=α (1-β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
Preferably, described according to UE in the scheduling situation of waiting to dispatch two sub-frame of uplink, determine that resource distributes pre-scheduling mark, for:
When UE does not exist retransfer scheduling, ascending control information (UCI) scheduling at first sub-frame of uplink, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the new data of two sub-frame of uplink mixed automatic retransfers request (HARQ) process indication (NDI) is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
Preferably, the virtual shared resource pond that described basis is determined and resource are distributed pre-scheduling mark, and carry out resource for the first time and distribute, for:
When in the time dispatching UE queue not for sky, get successively UE in UE queue to be dispatched;
In the time that the historical flow of UE is more than or equal to equivalence assurance bit rate (GBR), obtain transmission block size TBSize and modulation and the coding strategy (MCS) of UE current to be dispatched, obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The buffer region state reporting of the ability rating of UE and UE (BSR) is got little, obtained described UE at the maximum transmission block size MaxTB that supports scheduling of sub-frame of uplink
firstSecond, according to MaxTB
firstSecondobtain described UE with the MCS of described UE and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got little, obtained the big or small MaxTB of described UE at the maximum transmission block of supporting scheduling of two sub-frame of uplink
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, M1 is that power headroom reporting (PHR) is the maximum TBSize that UE sends described in 0 o'clock, and M2 is can the correct maximum TBSize of demodulation under the current channel of described UE;
In the time that the AllocationFlag of described UE is 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that the AllocationFlag of described UE is 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described in carry out for the second time resource and distribute, for:
Work as Rb
allocationMaxNmu_Firstbe greater than 0, and when the historical flow of UE is more than or equal to equivalent maximum bit rate (MBR), on VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculate preallocated RB for the second time and count RbSecondAllcom;
In the time that AllocationFlag is 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucSecondRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secordfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), tetra-medium and small values of value of the VirtualResourcePoolRbNum after twice M2 and renewal;
In the time that AllocationFlag is 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described final RB number is definite, for:
According to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and TbsizeA
llocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
The invention provides a kind of base station, described base station comprises:
Virtual shared resource pond determining unit, for the remaining bandwidth resource for the treatment of dispatching uplink subframe in the uplink authorization moment according to each UE to be dispatched, determines virtual shared resource pond VirtualResourcePoolRbNum;
Resource is distributed pre-scheduling mark determining unit, for according to UE in the scheduling situation of waiting to dispatch two sub-frame of uplink, determine that resource distributes pre-scheduling mark AllocationFlag;
RB counts determining unit, for according to definite VirtualResourcePoolRbNum and AllocationFlag, carries out successively resource distribution for the first time, resource distribution for the second time and final RB number and determines, obtains the RB number distributing for each UE to be dispatched;
Descending control information format generation unit, for according to the RB number distributing for each UE to be dispatched, obtains the RB resource bitmap for each UE distribution to be dispatched, and generates DCI0, and described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.
Preferably, described virtual shared resource pond determining unit, specifically for according to the subframe structure of TDD proportioning 0, add up and authorize the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively;
UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain VirtualResourcePoolRbNum, wherein, the percentage factor=α (1-β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
Preferably, described resource is distributed pre-scheduling mark determining unit, specifically for there is not retransfer scheduling, UCI scheduling as UE at first sub-frame of uplink, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the NDI of two sub-frame of uplink HARQ processes is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
Preferably, described RB counts determining unit, specifically in the time that the historical flow of UE is more than or equal to equivalent G BR, obtains TBSize and the MCS of UE current to be dispatched, obtains preallocated RB for the first time count RbFirstAllcom according to TBSize and MCS;
The BSR of the ability rating of UE and described UE is got to the little MaxTB of obtaining
firstSecond, according to MaxTB
firstSecondobtain described UE with MCS and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got to the little MaxTB of obtaining
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, when M1 is PHR=0 described in the maximum TBSize that sends of UE, M2 is can the correct maximum TBSize of demodulation under the current channel of described UE;
In the time that the AllocationFlag of described UE is 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that the AllocationFlag of described UE is 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described RB counts determining unit, specifically for working as Rb
allocationMaxNmu_Firstbe greater than 0, and the historical flow of UE is while being more than or equal to equivalent MBR, on the VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculates preallocated RB for the second time and counts RbSecondAllcom;
In the time that AllocationFlag is 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the renewal of the ucSecondRbNum after M2, renewal, get little value;
In the time that AllocationFlag is 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), in tetra-values of VirtualResourcePoolRbNum after twice M2 and renewal, get little value;
In the time that AllocationFlag is 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described RB counts determining unit, specifically for according to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
As from the foregoing, technical scheme of the present invention comprises: the remaining bandwidth resource for the treatment of dispatching uplink subframe according to each UE to be dispatched in the uplink authorization moment, determine virtual shared resource pond VirtualResourcePoolRbNum;
In the scheduling situation of waiting to dispatch two sub-frame of uplink, determine resource distribution pre-scheduling mark AllocationFlag according to UE;
According to definite VirtualResourcePoolRbNum and AllocationFlag, carry out successively resource distribution for the first time, resource distribution for the second time and final Resource Block (RB) number and determine, obtain the RB number distributing for each UE to be dispatched;
According to the RB number distributing for each UE to be dispatched, obtain the RB resource bitmap for each UE distribution to be dispatched, generate DCI0, described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.Thus, can guarantee that proportioning 0 time authorizes sub-frame of uplink time-frequency domain resources to maximize, thereby all up-link time-frequencies of reasonable distribution bandwidth to a greater extent maximizes uplink traffic.
Accompanying drawing explanation
Fig. 1 is the structural representation of a radio frames;
Fig. 2 is the first embodiment realization flow figure of uplink shared resources Pooled resources distribution method of the present invention;
Fig. 3 is the structural representation of the embodiment of base station of the present invention;
Fig. 4 is the second embodiment realization flow figure of uplink shared resources Pooled resources distribution method of the present invention.
Embodiment
The first embodiment of a kind of uplink shared resources Pooled resources distribution method provided by the invention, is applied to base station, as shown in Figure 2, comprises the following steps:
Preferably, step 201 can be: according to the subframe structure of time division duplex (TDD) proportioning 0, statistics authorizes the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively;
UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain virtual shared resource pond, wherein, the percentage factor=α (1-β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
Preferably, step 202 can be: when UE does not exist retransfer scheduling, ascending control information (Uplink Control Information at first sub-frame of uplink, UCI) scheduling, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the new data of two sub-frame of uplink mixed automatic retransfers request (HARQ) process indication (NDI) is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
Preferably, the resource distribution for the first time of the carrying out in described step 203 can be: when in the time dispatching UE queue for sky, get successively UE in UE queue to be dispatched;
When being more than or equal to equivalence, the historical flow of UE guarantees bit rate (Guaranteed Bit Rate, GBR) time, obtain transmission block (Transport Block) big or small TBSize and modulation and coding strategy (the Modulation and Coding Scheme of UE current to be dispatched, MCS), obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The buffer region state reporting of the ability rating of UE and UE (Buffer Status Report, BSR) is got little, obtained described UE at the maximum transmission block size MaxTB that supports scheduling of sub-frame of uplink
firstSecond, according to MaxTB
firstSecondobtain described UE with the MCS of described UE and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got to the little transmission block size MaxTB that described UE dispatches two maximum supports of sub-frame of uplink transmission simultaneously that obtain
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, M1 is that power headroom reporting (PowerHeadroom Report, PHR) is the maximum TBSize that UE sends described in 0 o'clock, and M2 is can the correct maximum TBSize of demodulation under current channel;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
brS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, the resource distribution for the second time of the carrying out in described step 203 can be:
Work as Rb
allocationMaxNmu_Firstbe greater than 0, and the historical flow of UE is more than or equal to equivalent maximum bit rate (Maximum Bit Rate, MBR) time, on VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculate preallocated RB for the second time and count RbSecondAllcom;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucSecondRbNum after M2, renewal and renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), in tetra-values of VirtualResourcePoolRbNum after twice M2, renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, the final RB number in described step 203 is definite can be:
According to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor the RB number of power limited to use, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
The embodiment of a kind of base station provided by the invention, as shown in Figure 3, described base station comprises:
Virtual shared resource pond determining unit, for the remaining bandwidth resource for the treatment of dispatching uplink subframe in the uplink authorization moment according to each band scheduling UE, determines virtual shared resource pond VirtualResourcePoolRbNum;
Resource is distributed pre-scheduling mark determining unit, for according to UE in the scheduling situation of waiting to dispatch two sub-frame of uplink, determine that resource distributes pre-scheduling mark AllocationFlag;
RB counts determining unit, for according to definite VirtualResourcePoolRbNum and AllocationFlag, carries out successively resource distribution for the first time, resource distribution for the second time and final RB number and determines, obtains the RB number distributing for each UE to be dispatched;
Descending control information format generation unit, for according to the RB number distributing for each UE to be dispatched, obtains the RB resource bitmap for each UE distribution to be dispatched, and generates DCI0, and described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.
Preferably, described virtual shared resource pond determining unit, specifically for according to the subframe structure of TDD proportioning 0, add up and authorize the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively;
UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain virtual shared resource pond VirtualResourcePoolRbNum, wherein, the percentage factor=α (1 one β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
Preferably, described resource is distributed pre-scheduling mark determining unit, specifically for there is not retransfer scheduling, UCI scheduling as UE at first sub-frame of uplink, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the NDI of two sub-frame of uplink HARQ processes is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
Preferably, described RB counts determining unit, specifically for when in the time dispatching UE queue not for sky, gets successively UE in UE queue to be dispatched;
In the time that the historical flow of UE is more than or equal to equivalent G BR, obtain TBSize and the MCS of UE current to be dispatched, obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The BSR of the ability rating of UE and UE is got to the little big or small MaxTB of described UE at the maximum transmission block of supporting scheduling of a sub-frame of uplink that obtain
firstSecond, according to MaxTB
firstSecondobtain described UE with the MCS of described UE and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got to the little big or small MaxTBs of described UE while at two maximum transmission blocks of supporting scheduling of sub-frame of uplink transmission that obtain
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, when M1 is PHR=0 described in the maximum TBSize that sends of UE, M2 is can the correct maximum TBSize of demodulation under the current channel of described UE;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described RB counts determining unit, specifically for working as Rb
allocationMaxNmu_Firstbe greater than 0, and the historical flow of UE is while being more than or equal to equivalent MBR, on the VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculates preallocated RB for the second time and counts RbSecondAllcom;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucSecondRbNum after M2, renewal and renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), in tetra-values of VirtualResourcePoolRbNum after twice M2 and renewal, get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Preferably, described RB counts determining unit, specifically for according to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor the RB number of power limited to use, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
Below in conjunction with Fig. 4, the second embodiment of uplink shared resources Pooled resources distribution method of the present invention is introduced.
Here, described remaining bandwidth resource refers to the PUSCH bandwidth resources the bandwidth taking except PUCCH resource, PRACH resource, Msg3 scheduling, retransmission process, single-shot UCI etc.
Concrete, calculate VirtualResourcePoolRbNum according to formula (1),
VirtualResourcePoolRbNum＝(ucFirstRbNum+ucSecondRbNum)*Percentfactor(1)
Wherein, percentage factor Percentfactor=α (1 one β)+β, β is the value definite by system testing, the span of β is [α, 1], and α is definite value, α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum), Percentfactor span [α, 1];
For example, in a radio frames, 9U and 2U, 2U and 3U, 4U and 7U, 7U and 8U form respectively virtual shared resource pond, and when wherein 9U and 2U combine, 9U is first sub-frame of uplink, and 2U is second sub-frame of uplink, and other composite class seemingly.Implementation method one: the 5D that authorizes moment current wireless frame to the 9U of current wireless frame and the 2U of next radio frames authorize, the 6S of current wireless frame to 2U and the 3U of next radio frames authorize, the 0D of current wireless frame to current wireless frame 4U and 7U authorize, the 1S of current wireless frame authorizes to 7U and the 8U of current wireless frame; Or, implementation method two: the 5D/6S that authorizes moment current wireless frame to the 9U of current wireless frame and the 2U of next radio frames authorize, the 6S of current wireless frame to 2U and the 3U of next radio frames authorize, the 0D/1S of current wireless frame to 4U and the 7U of current wireless frame authorize, the 1S of current wireless frame authorizes to current wireless frame 7U and 8U;
Distribute a foundation using virtual shared resource pond as UE resource, can avoid upstream bandwidth to distribute excessively causes the UE that priority is low to distribute less than resource, also can avoid upstream bandwidth to distribute the waste of the too small uplink bandwidth resource that causes single UE or many UE distribution, more rationally, for UE distributes up-link resource, improve cell uplink flow system flow.
Concrete, if UE does not exist retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink, in the time that second sub-frame of uplink exists retransfer scheduling, UCI scheduling etc., be 1 by described AllocationFlag assignment, represent that resource is in advance in first sub-frame of uplink distribution;
If there is retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink in UE, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling etc., be 2 by described AllocationFlag assignment, represent that resource is in advance second sub-frame of uplink distribution;
If UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and two sub-frame of uplink mixed automatic retransfers request (Hybrid Automatic Repeat Request, HARQ) new data of process indication (New Data indication, NDI) when identical, be 3 by described AllocationFlag assignment, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, be 4 by described AllocationFlag assignment, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.Now can issue two DCI0 by same descending sub frame is sub-frame of uplink mandate, or to issue respectively DCI0 by different descending sub frames be sub-frame of uplink mandate;
Due to PRACH resource and a Msg3 scheduling sub-frame of uplink therein, therefore distribute pre-scheduling mark without resource;
The effect of the effect of described AllocationFlag and UL index is similar, but different, UL index value is to determine after final resource is allocated successfully, and AllocationFlag is the subframe index that identifies in advance UE and which sub-frame of uplink to carry out resource distribution at, can be that the final UL index of determining guides direction, for example, the UL index=10 of the UE resource of AllocationFlag=1 after being allocated successfully; UL index=01 after the UE resource of AllocationFlag=2 is allocated successfully; UL index after the UE resource of AllocationFlag=3 is allocated successfully is generally 10,01 or 11; It is 01 or 10 that the UE resource of AllocationFlag=4 is allocated successfully rear ULindex, can reduce like this time of system resource allocation, promotes user resources allocative efficiency.
Concrete, when in the time dispatching UE queue not for sky, get successively UE in UE queue to be dispatched, in the time that the historical flow of UE is more than or equal to equivalent G BR, obtain TBSize and the MCS of UE current to be dispatched, obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The BSR of the ability rating of UE and described UE is got to the little big or small MaxTB of described UE at the maximum transmission block of supporting scheduling of a sub-frame of uplink that obtain
firstSecond, according to MaxTB
firstSecondobtain described UE with MCS and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got to the little big or small MaxTBs of described UE while at two maximum transmission blocks of supporting scheduling of sub-frame of uplink transmission that obtain
third, according to MaxTB
thirdobtain described UE with MCS and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, when M1 is PHR=0 described in the maximum TBSize that sends of UE, M2 is can the correct maximum TBSize of demodulation under current channel;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value.
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Concrete, work as Rb
allocationMaxNmu_Firstbe greater than 0, and the historical flow of UE is while being more than or equal to equivalent MBR, on the VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculates preallocated RB for the second time and counts RbSecondAllcom;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor the ucFirstRbNum after upgrading, the VirtualResourcePoolRbNum after renewal, RbSecondAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor the ucSecondRbNum after upgrading, the VirtualResourcePoolRbNum after renewal, RbSecondAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor the VirtualResourcePoolRbNum after upgrading, RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that described UE resource distributes pre-scheduling mark AllocationFlag to be 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor VirtualResourcePoolRbNum, RbSecondAllcom and Rb after upgrading
bRS4UE (MaxTB)in three values, get little value.
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
Concrete, according to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as the RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor the RB number of power limited to use, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
The RB distributing for UE to be dispatched that step 407, basis are determined counts Rb
allocationTotalNmu, be generated as the RB resource bitmap that each UE to be dispatched distributes, obtain sub-frame of uplink authorization message, and described sub-frame of uplink authorization message is handed down to corresponding UE.
To sum up, the present invention makes UE more rationally utilize the up-link bandwidth resources of proportioning 0 by virtual shared resource pond, is identified and is more had for instructing UE to promote the efficiency that resource is distributed by pre-scheduling, finally makes cell uplink flow reach optimum.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (12)
1. a uplink shared resources Pooled resources distribution method, is applied to base station, it is characterized in that, described method comprises:
Treat that according to each scheduling user's set (UE), in the remaining bandwidth resource for the treatment of dispatching uplink subframe in uplink authorization moment, determines virtual shared resource pond VirtualResourcePoolRbNum;
In the scheduling situation of waiting to dispatch two sub-frame of uplink, determine resource distribution pre-scheduling mark AllocationFlag according to UE;
According to definite VirtualResourcePoolRbNum and AllocationFlag, carry out successively resource distribution for the first time, resource distribution for the second time and final Resource Block (RB) number and determine, obtain the RB number distributing for each UE to be dispatched;
According to the RB number distributing for each UE to be dispatched, obtain the RB resource bitmap for each UE distribution to be dispatched, generate descending control information format 0 (DCI0), described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.
2. method according to claim 1, is characterized in that, described according to each UE to be dispatched the remaining bandwidth resource for the treatment of dispatching uplink subframe in the uplink authorization moment, determine virtual shared resource pond, for:
According to the subframe structure of time division duplex (TDD) proportioning 0, statistics authorizes the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively; UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain VirtualResourcePoolRbNum, wherein, the percentage factor=α (1-β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
3. method according to claim 1, is characterized in that, described according to UE in the scheduling situation of waiting to dispatch two sub-frame of uplink, determine that resource distributes pre-scheduling mark, for:
When UE does not exist retransfer scheduling, ascending control information (UCI) scheduling at first sub-frame of uplink, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the new data of two sub-frame of uplink mixed automatic retransfers request (HARQ) process indication (NDI) is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
4. method according to claim 3, is characterized in that, the virtual shared resource pond that described basis is determined and resource are distributed pre-scheduling mark, carry out resource for the first time and distribute, for:
When in the time dispatching UE queue not for sky, get successively UE in UE queue to be dispatched;
In the time that the historical flow of UE is more than or equal to equivalence assurance bit rate (GBR), obtain transmission block size TBSize and modulation and the coding strategy (MCS) of UE current to be dispatched, obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The buffer region state reporting of the ability rating of UE and UE (BSR) is got little, obtained described UE at the maximum transmission block size MaxTB that supports scheduling of sub-frame of uplink
firstSecond, according to MaxTB
firstSecondobtain described UE with the MCS of described UE and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got little, obtained the big or small MaxTB of described UE at the maximum transmission block of supporting scheduling of two sub-frame of uplink
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, M1 is that power headroom reporting (PHR) is the maximum TBSize that UE sends described in 0 o'clock, and M2 is can the correct maximum TBSize of demodulation under the current channel of described UE;
In the time that the AllocationFlag of described UE is 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that the AllocationFlag of described UE is 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
5. method according to claim 4, is characterized in that, described in carry out for the second time resource and distribute, for:
Work as Rb
allocationMaxNmu_Firstbe greater than 0, and when the historical flow of UE is more than or equal to equivalent maximum bit rate (MBR), on VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculate preallocated RB for the second time and count RbSecondAllcom;
In the time that AllocationFlag is 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucSecondRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), tetra-medium and small values of value of the VirtualResourcePoolRbNum after twice M2 and renewal;
In the time that AllocationFlag is 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
6. method according to claim 5, is characterized in that, described final RB number is definite, for:
According to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M 1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
7. a base station, is characterized in that, described base station comprises:
Virtual shared resource pond determining unit, for the remaining bandwidth resource for the treatment of dispatching uplink subframe in the uplink authorization moment according to each UE to be dispatched, determines virtual shared resource pond VirtualResourcePoolRbNum;
Resource is distributed pre-scheduling mark determining unit, for according to UE in the scheduling situation of waiting to dispatch two sub-frame of uplink, determine that resource distributes pre-scheduling mark AllocationFlag;
RB counts determining unit, for according to definite VirtualResourcePoolRbNum and AllocationFlag, carries out successively resource distribution for the first time, resource distribution for the second time and final RB number and determines, obtains the RB number distributing for each UE to be dispatched;
Descending control information format generation unit, for according to the RB number distributing for each UE to be dispatched, obtains the RB resource bitmap for each UE distribution to be dispatched, and generates DCI0, and described DCI0 indication UE carries out uplink traffic transmission on dispatched sub-frame of uplink.
8. base station according to claim 7, it is characterized in that, described virtual shared resource pond determining unit, specifically for according to the subframe structure of TDD proportioning 0, add up and authorize the moment to wait to dispatch the remaining bandwidth resource ucFirstRbNum of first sub-frame of uplink and the remaining bandwidth resource ucSecondRbNum of second sub-frame of uplink respectively;
UcFirstRbNum and ucSecondRbNum are added and are multiplied by the percentage factor again and obtain VirtualResourcePoolRbNum, wherein, the percentage factor=α (1-β)+β, span [α, 1]; α=max (ucFirstRbNum, ucSecondRbNum)/(ucFirstRbNum+ucSecondRbNum); β is the value definite by system testing, and span is [α, 1].
9. base station according to claim 7, it is characterized in that, described resource is distributed pre-scheduling mark determining unit, specifically for there is not retransfer scheduling, UCI scheduling as UE at first sub-frame of uplink, in the time there is retransfer scheduling, UCI scheduling etc. in second sub-frame of uplink, determine that described AllocationFlag is 1, represent that resource is in advance in first sub-frame of uplink distribution;
When UE exists retransfer scheduling, UCI scheduling at first sub-frame of uplink, in the time that second sub-frame of uplink do not deposited retransfer scheduling, UCI scheduling, determine that described AllocationFlag is 2, represent that resource is in advance second sub-frame of uplink distribution;
When UE does not all have retransfer scheduling, UCI scheduling etc. at first sub-frame of uplink and second sub-frame of uplink UE, and the NDI of two sub-frame of uplink HARQ processes is identical, determine that described AllocationFlag is 3, represent that resource is distributed with second sub-frame of uplink public resource bitmap at first in advance and NDI is identical simultaneously;
If UE does not all have retransfer scheduling, UCI scheduling at first sub-frame of uplink and second sub-frame of uplink, and when the NDI of two sub-frame of uplink HARQ processes is not identical, determine that described AllocationFlag is 4, represent that resource is in advance at first with second sub-frame of uplink distributes and NDI is not identical simultaneously.
10. base station according to claim 9, it is characterized in that, described RB counts determining unit, specifically in the time that the historical flow of UE is more than or equal to equivalent G BR, obtain TBSize and the MCS of UE current to be dispatched, obtain preallocated RB for the first time according to TBSize and MCS and count RbFirstAllcom;
The BSR of the ability rating of UE and described UE is got to the little MaxTB of obtaining
firstSecond, according to MaxTB
firstSecondobtain described UE with MCS and count Rb at the RB of the maximum scheduling of a sub-frame of uplink
bRS4UE(MaxTB);
The ability rating of the BSR of UE and twice UE is got to the little MaxTB of obtaining
third, according to MaxTB
thirdobtain described UE with the MCS of described UE and count Rb at the RB of two maximum scheduling of sub-frame of uplink transmission simultaneously
bRS4 (2*UE)(MaxTB);
Obtain M1 and the M2 of UE current to be dispatched, wherein, when M1 is PHR=0 described in the maximum TBSize that sends of UE, M2 is can the correct maximum TBSize of demodulation under the current channel of described UE;
In the time that the AllocationFlag of described UE is 1, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucFirstRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 2, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor ucSecondRbNum, VirtualResourcePoolRbNum, RbFirstAllcom, Rb
bRS4UE(MaxTB) and in five values of M2 get little value;
In the time that the AllocationFlag of described UE is 3, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4 (2*UE)(MaxTB) and in tetra-values of twice M2 get little value;
In the time that the AllocationFlag of described UE is 4, determine that the final RB distributing counts Rb for the first time
allocationMaxNmu_Firstfor RbFirstAllcom, VirtualResourcePoolRbNum, Rb
bRS4UE(MaxTB) and in tetra-values of M2 get little value;
According to Rb
allocationMaxNmu_First, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
11. base stations according to claim 10, is characterized in that, described RB counts determining unit, specifically for working as Rb
allocationMaxNmu_Firstbe greater than 0, and the historical flow of UE is while being more than or equal to equivalent MBR, on the VirtualResourcePoolRbNum basis after renewal, according to the allocative decision of system backstage configuration, calculates preallocated RB for the second time and counts RbSecondAllcom;
In the time that AllocationFlag is 1, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the ucFirstRbNum after M2, renewal and renewal, get little value;
In the time that AllocationFlag is 2, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB), in five values of VirtualResourcePoolRbNum after the renewal of the ucSecondRbNum after M2, renewal, get little value;
In the time that AllocationFlag is 3, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4 (2*UE)(MaxTB), in tetra-values of VirtualResourcePoolRbNum after twice M2 and renewal, get little value;
In the time that AllocationFlag is 4, determine that the final RB distributing counts Rb for the second time
allocationMaxNmu_Secondfor RbSecondAllcom, Rb
bRS4UE(MaxTB) in tri-values of VirtualResourcePoolRbNum and after upgrading, get little value;
According to Rb
allocationMaxNmu_Second, upgrade ucFirstRbNum, ucSecondRbNum and VirtualResourcePoolRbNum.
12. methods according to claim 11, is characterized in that, described RB counts determining unit, specifically for according to Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondthe MCS of sum and described UE, determines the final Tbsize distributing
allocationTotalNun;
When AllocationFlag is 1,2,3 or 4, and Tbsize
allocationTotalNunwhile being less than or equal to M1, determine that the final RB distributing counts Rb
allocationTotalNmufor Rb
allocationMaxNmu_Firstand Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 1,2 or 4, and Tbsize
allocationTotalNunwhile being greater than M 1, enter PHR flow process, the RB that is defined as UE distribution to be dispatched counts Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M1, and ceil (Tbsize
allocationTotalNun/ 2)≤when M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor Rb
allocationMaxNmu_First and Rb
allocationMaxNmu_Secondsum;
When AllocationFlag is 3, and Tbsize
allocationTotalNunbe greater than M 1, and ceil (Tbsize
allocationTotalNun/ 2), when > M1, be defined as the RB that UE to be dispatched distributes and count Rb
allocationTotalNmufor RB number corresponding to power limited, and be defined as MCS corresponding to RB number that UE to be dispatched distributes.
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| PCT/CN2013/083840 WO2014094474A1 (en) | 2012-12-17 | 2013-09-18 | Resource allocation method for uplink shared resource pool and base station |
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| WO2018000362A1 (en) * | 2016-06-30 | 2018-01-04 | 华为技术有限公司 | Resource scheduling method and corresponding device |
| WO2018171326A1 (en) * | 2017-03-21 | 2018-09-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transmitting and receiving data in a wireless communication system |
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| CN107426822B (en) * | 2017-09-11 | 2021-04-02 | 西北工业大学 | Overhead-free resource reallocation method in wireless network |
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| CN101494589A (en) * | 2008-01-22 | 2009-07-29 | 中兴通讯股份有限公司 | Management system and method for transmission resource |
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