CN108631833A - Uplink pre-coding transmission method, device and user equipment - Google Patents
Uplink pre-coding transmission method, device and user equipment Download PDFInfo
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- CN108631833A CN108631833A CN201710183527.6A CN201710183527A CN108631833A CN 108631833 A CN108631833 A CN 108631833A CN 201710183527 A CN201710183527 A CN 201710183527A CN 108631833 A CN108631833 A CN 108631833A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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Abstract
A kind of uplink pre-coding transmission method of present invention offer, device and user equipment, the uplink pre-coding transmission method include：Receive the pre-coded index that network side is sent；Obtain the ascending resource number of network side distribution；The grouping information of precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed；Uplink precoding transmissions are carried out according to the grouping information of identified precoding resource block group.The present invention can be by determining the grouping information of precoding resource block group according to the pre-coded index and the ascending resource number distributed, and then realizes that precoding resource block group size dynamically configures between end side and network side, and effectively match channels change；It can also effectively instruct end side precoding to send behavior simultaneously, and improve the transmission performance of communication channel.
Description
Technical field
The present invention relates to a kind of wireless communication technology field more particularly to uplink pre-coding transmission method, device and users
Equipment.
Background technology
Currently, uplink communication links support frequency selectivity precoding in third generation partner program (3GPP) specification,
Support user terminal that different precodings may be used on the resource block of distribution.On the other hand, logical in order to further increase
Believe channel performance, 3GPP has also explicitly pointed out UL and supported PRB bundling, namely the PRB for further clearly supporting UL different can
To use identical precoding.But how to indicate precoding resource block group (PRG about gNB：Precoding resource
Block group) size, agreement and not yet explicitly scheme at present, wherein it is believed that the resource block in precoding resource block group uses
Identical precoding.
In the prior art, in Physical Resource Block binding (PRB Bundling) precoding technique, wherein PRB Bundling
It is with precoding resource block group (PRG) for unit, also, precoding resource block group (PRG) size and system bandwidth or end
Hold bandwidth related, wherein the relationship between bandwidth and PRG sizes see the table below：
| System Bandwidth | PRG SIZE |
| ≤10 | 1 |
| 11-26 | 2 |
| 27-63 | 3 |
| 64-110 | 2 |
It is corresponding with fixed PRG size as seen from the above table i.e. for a certain system bandwidth, and different users is corresponding
PRG size are identical namely PRG size are that grid side and end side are arranged jointly.It is used accordingly, there exist end side
Uplink pre-coding scheme and network side can not match channels condition variation the problem of.
Invention content
A kind of uplink pre-coding transmission method, device and user equipment provided by the invention, can realize precoding resource
Dynamically configurable, the effectively match channels variation of block group size.
In a first aspect, the present invention provides a kind of uplink pre-coding transmission method, including：
Receive the pre-coded index that network side is sent；
Obtain the ascending resource number of network side distribution；
The grouping information of precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed；
Uplink precoding transmissions are carried out according to the grouping information of identified precoding resource block group.
Optionally, described that precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed
Grouping information includes：
Pre-coded index number is calculated according to the pre-coded index；
Precoding resource block group size is calculated according to the ascending resource number distributed and the pre-coded index number；
The ascending resource distributed is grouped according to the precoding resource block group size.
Optionally, described that precoding resource block group is calculated according to the ascending resource number distributed and the pre-coded index number
Size includes：
Precoding resource block group size is calculated according to following formula：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,
Expression rounds up.
Optionally, described according to the precoding resource block when the ascending resource of network side distribution is centralization distribution
Group size to the ascending resource distributed be grouped including：
The ascending resource distributed is divided into N groups, wherein the precoding resource block group size that last group includes is M-
(N-1) × P ', the PRB numbers that other groups include are P', first group of position for corresponding to frequency starting.
Optionally, when the ascending resource of network side distribution is distributed distribution and network side does not indicate respectively distributed uplink
It is described that packet is grouped to the ascending resource distributed according to the precoding resource block group size when pre-coded index of resource
It includes：
Ascending resource in respectively gathering in the distributed ascending resource distributed is grouped respectively, the group in each set
Number is respectively：
Wherein, L indicates the number of set, M1+…+ML=M, the ascending resource in set is continuous on frequency domain, between gathering
Ascending resource is discontinuous on frequency domain；
Work as K1+…+KLWhen ＞ N, according to the grouping that the above-mentioned ascending resource by each set is done, the uplink that will be distributed
Resource is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) corresponding
Set the highest set of frequency domain group number subtract 1, if at this point, update after K1+…+KL＞ N are still set up, then continuing will at this time
max(Ki) the group number of the corresponding set highest set of frequency domain subtracts 1, iteration carries out until K1+…+KL=N is set up, this
When, it can be used as the grouping of the ascending resource to being distributed；Wherein i ∈ (1 ..., L).
Optionally, when the ascending resource of network side distribution is distributed distribution and network side indicates respectively distributed uplink money
It is described that packet is grouped to the ascending resource distributed according to the precoding resource block group size when pre-coded index in source
It includes：
Ascending resource in respectively gathering in the distributed ascending resource distributed is respectively divided into n subgroups, wherein last
The precoding resource block group size that subgroup includes is m- (n-1) × P ', and the PRB numbers that other subgroups include are P', the first subgroup
Corresponding to the position of the frequency starting of the ascending resource in the set, wherein m is the ascending resource number in set, and n is corresponding is somebody's turn to do
Pre-coded index number in set；
The packet assembling that ascending resource in each set will be done, point as the ascending resource to being distributed
Group.
Optionally, the grouping information according to identified precoding resource block group carries out uplink precoding transmissions packet
It includes：
Uplink precoding transmissions are carried out after precoding and identified precoding resource block group are corresponded.
Second aspect, the present invention provide a kind of uplink precoding transmissions device, including：
Receiving unit, the pre-coded index for receiving network side transmission；
Acquiring unit, the ascending resource number for obtaining network side distribution；
Determination unit, for determining precoding resource block group according to the pre-coded index and the ascending resource number distributed
Grouping information；
Transmission unit, for carrying out uplink precoding transmissions according to the grouping information of identified precoding resource block group.
Optionally, the determination unit includes：
First computing module, for calculating pre-coded index number according to the pre-coded index；
Second computing module, for calculating precoding money according to the ascending resource number distributed and the pre-coded index number
Source block group size；
Grouping module, for being grouped to the ascending resource distributed according to the precoding resource block group size.
Optionally, second computing module, for calculating precoding resource block group size according to following formula：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,
Expression rounds up.
Optionally, when the ascending resource of network side distribution is centralization distribution, the grouping module, for will be distributed
Ascending resource be divided into N groups, wherein the precoding resource block group size that last group includes be M- (N-1) × P ', other group packet
The PRB numbers contained are P', first group of position for corresponding to frequency starting.
Optionally, when the ascending resource of network side distribution is distributed distribution and network side does not indicate respectively distributed uplink
When the pre-coded index of resource, the grouping module, for by the distributed ascending resource distributed respectively set in uplink
Resource is grouped respectively, and the group number in each set is respectively：
Wherein, L indicates the number of set, M1+…+ML=M, the ascending resource in set is continuous on frequency domain, between gathering
Ascending resource is discontinuous on frequency domain；
Work as K1+…+KLWhen=N, according to the grouping that the above-mentioned ascending resource by each set is done, the uplink that will be distributed
Resource is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) corresponding
Set the highest set of frequency domain group number subtract 1, if at this point, update after K1+…+KL＞ M are still set up, then continuing will at this time
max(Ki) the group number of the corresponding set highest set of frequency domain subtracts 1, iteration carries out until K1+…+KL=N is set up, this
When, it can be used as the grouping of the ascending resource to being distributed；Wherein i ∈ (1 ..., L).
Optionally, when the ascending resource of network side distribution is distributed distribution and network side indicates respectively distributed uplink money
When the pre-coded index in source, the grouping module, for providing the uplink in respectively gathering in the distributed ascending resource distributed
Source is respectively divided into n subgroups, wherein the precoding resource block group size that last subgroup includes is m (- n-1) × P ', other subgroups
Including PRB numbers be P', the first subgroup correspond to the set in ascending resource frequency starting position, wherein m be collection
Ascending resource number in conjunction, n are the pre-coded index number in the corresponding set；Point that ascending resource in each set will be done
Group combines, the grouping as the ascending resource to being distributed.
Optionally, the transmission module, for corresponding precoding and identified precoding resource block group
Uplink precoding transmissions are carried out afterwards.
The third aspect, the present invention provide a kind of user equipment, and the user equipment includes above-mentioned uplink precoding transmissions dress
It sets.
Uplink pre-coding transmission method, device and user equipment provided in an embodiment of the present invention, the transmission method solve
Communication channel is in dynamic changing process, the fixation precoding resource block group arranged jointly using grid side and end side
Size carries out precoding, the problem of causing the distribution that communication channel is unreasonable, and then reduce the transmission performance of communication channel, this hair
It is bright to use the grouping information that precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed, then
Uplink precoding transmissions are carried out according to the grouping information of identified precoding resource block group, and then can realize precoding resource
Dynamically configurable, the effectively variation of matching communication channel of block group size, and reach and improve traffic channel performance
Effect.
Meanwhile uplink pre-coding transmission method of the present invention is according to the pre-coded index and the ascending resource distributed
Number determines the grouping information of precoding resource block group, carries out instruction transmission as a kind of implicitly mode, while also without other
The dynamically configurable of precoding resource block group size can be realized in additional signaling overheads, additionally it is possible to can effectively instruct end side
Precoding sends behavior.
Description of the drawings
Fig. 1 is the flow chart of one embodiment of the invention uplink pre-coding transmission method；
Fig. 2 is the flow chart of another embodiment of the present invention uplink pre-coding transmission method；
Fig. 3 is that the pre- ascending resource of one embodiment of the invention is grouped schematic diagram；
Fig. 4 is that the pre- ascending resource of another embodiment of the present invention is grouped schematic diagram；
Fig. 5 is that another embodiment of the present invention ascending resource is grouped schematic diagram；
Fig. 6 is that another embodiment of the present invention ascending resource is grouped schematic diagram；
Fig. 7 is the structural schematic diagram of another embodiment of the present invention uplink precoding transmissions device.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of uplink pre-coding transmission method, as shown in Figure 1, the uplink precoding transmissions side
Method includes：
S1, the pre-coded index that network side is sent is received；
S2, the ascending resource number for obtaining network side distribution；
S3, the grouping letter that precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed
Breath；
S4, uplink precoding transmissions are carried out according to the grouping information of identified precoding resource block group.
Transmission method described in the embodiment of the present invention on the one hand by obtain pre-coded index that the lateral end side of network sends,
And network side distribution ascending resource number, wherein the pre-coded index, distribution ascending resource number reacted the communication
The situation of change of channel, then end side according to reaction communication channel situation of change the pre-coded index and distributed it is upper
Row number of resources determines the grouping information of precoding resource block group, and then the grouping information of Dynamic Matching precoding group, and effectively
Match channels change；The precoding of end side can also be effectively instructed to send behavior.
On the other hand the transmission method directly determines precoding according to the ascending resource number of the pre-coded index, distribution
The grouping information of resource block group, and formed a kind of implicitly mode by the grouping information of the precoding resource block group of the determination into
Row instruction transmission；Therefore, the transmission method is not necessarily to other additional signaling overheads, you can is realized by implicitly mode to prelisting
The grouping information of code resource block group carries out instruction transmission, and then improves the utilization rate and data transmission efficiency of communication channel.
Further, as shown in Fig. 2, described prelist according to the pre-coded index and the ascending resource number distributed determination
Code resource block group grouping information include：
S31, pre-coded index number is calculated according to the pre-coded index；
S32, precoding resource block group size is calculated according to the ascending resource number distributed and the pre-coded index number；
S33, the ascending resource distributed is grouped according to the precoding resource block group size.
Specifically, end side receives prelisting for network side transmission by downlink DCI in transmission method described in the present embodiment
Code index and network side distribute to the ascending resource number of end side, and then end side prelists according to pre-coded index calculating
Code index number；And the ascending resource number by being distributed and the pre-coded index number calculate precoding resource block group size；Finally
The ascending resource distributed is grouped according to the precoding resource block group size；It can be according to reaction communication channel dynamic
The pre-coded index of variation, ascending resource number, Dynamic Matching dynamic configuration precoding resource block group size, and according to identified
The grouping information of precoding resource block group carries out uplink precoding transmissions.Transmission method described in the present embodiment can be believed according to communication
The variation in road adjusts precoding resource block group size, and then is dynamically determined the grouping information of precoding resource block group, avoids communicating
Channel carries out precoding in dynamic changing process, using fixed precoding resource block group size, and communication channel is caused not conform to
The distribution of reason, and then reduce the transmission performance of communication channel.Therefore, transmission method described in the present embodiment can be matched effectively
The variation of communication channel, and achieve the effect that improve traffic channel performance.
Further, described that precoding resource block is calculated according to the ascending resource number distributed and the pre-coded index number
Organizing size includes：
Precoding resource block group size is calculated according to following formula：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,
Expression rounds up.
As shown in figure 3, in the present embodiment as Physical Resource Block number M=5, pre-coded index number N=3, then precoding
Resource block group size P'=2.
Further, described according to the precoding resource when the ascending resource of network side distribution is centralization distribution
Block group size to the ascending resource distributed be grouped including：
The ascending resource distributed is divided into N groups, wherein the precoding resource block group size that last group includes is M-
(N-1) × P ', the PRB numbers that other groups include are P', first group of position for corresponding to frequency starting.
Further, when the ascending resource of network side distribution is distributed distribution and network side does not indicate respectively in distribution
It is described that the ascending resource distributed is grouped according to the precoding resource block group size when pre-coded index of row resource
Including：
Ascending resource in respectively gathering in the distributed ascending resource distributed is grouped respectively, the group in each set
Number is respectively：
Wherein, L indicates the number of set, M1+…+ML=M, the ascending resource in set is continuous on frequency domain, between gathering
Ascending resource is discontinuous on frequency domain；
Work as K1+…+KLWhen ＞ N, according to the grouping that the above-mentioned ascending resource by each set is done, the uplink that will be distributed
Resource is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) corresponding
Set the highest set of frequency domain group number subtract 1, if at this point, update after K1+…+KL＞ N are still set up, then continuing will at this time
max(Ki) the group number of the corresponding set highest set of frequency domain subtracts 1, iteration carries out until K1+…+KL=N is set up, this
When, it can be used as the grouping of the ascending resource to being distributed；Wherein i ∈ (1 ..., L).
In the present embodiment, when the ascending resource of network side distribution is that distribution is distributed and network side does not indicate respectively distribution
When the pre-coded index of ascending resource；For example, as shown in figure 4, working as distributed ascending resource number M=5 (the first ascending resource numbers
M1=3, the second ascending resource number M2=2) it is, while by pre-coded index 1,2,3, when calculating pre-coded index number N=3；
Then basisPrecoding resource block group size P'=2 is calculated；
Then according to precoding resource block group size P'=2, will respectively gather in the distributed ascending resource distributed respectively
Interior ascending resource is grouped respectively, and the group number in each set is respectively：First set includesGroup, the
Two set includeGroup, and 2+1=3.
Further for example, as shown in figure 5, working as distributed ascending resource number M=7 (the first ascending resource number M1=2, on second
Row number of resources M2=5) it is, while by pre-coded index 1,2, when calculating pre-coded index number N=2；
Then basisPrecoding resource block group size P'=4 is calculated；
Then according to precoding resource block group size P'=4, will respectively gather in the distributed ascending resource distributed respectively
Interior ascending resource is grouped respectively, and the group number in each set is respectively：First set includes Group, the
Two set includeGroup, and 2+1>2；
Then min (Ki) it is corresponding gather include group number remain unchanged, by max (Ki) corresponding set frequency domain highest
The group number of set subtract 1, i.e. max (KiTherefore K is calculated in) -11=1, K2=2-1=1.
Further, when the ascending resource of network side distribution is distributed distribution and network side indicates respectively distributed uplink
It is described that packet is grouped to the ascending resource distributed according to the precoding resource block group size when pre-coded index of resource
It includes：
Ascending resource in respectively gathering in the distributed ascending resource distributed is respectively divided into n subgroups, wherein last
The precoding resource block group size that subgroup includes is m- (n-1) × P ', and the PRB numbers that other subgroups include are P', the first subgroup
Corresponding to the position of the frequency starting of the ascending resource in the set, wherein m is the ascending resource number in set, and n is corresponding is somebody's turn to do
Pre-coded index number in set；
The packet assembling that ascending resource in each set will be done, point as the ascending resource to being distributed
Group.
Specifically, transmission method described in the present embodiment is due to the time-division in the ascending resource dynamic changing process of communication channel
Cloth situation is complicated, cannot achieve optimal point if only being grouped to the ascending resource distributed according to a kind of packet mode
Group mode, therefore, when the ascending resource of network side distribution is that distribution is distributed and network side does not indicate respectively distributed uplink money
The first packet mode is used when the pre-coded index in source；When the ascending resource of network side distribution is distributed distribution and network side point
Not Zhi Shi distributed ascending resource pre-coded index when use second packet mode, ascending resource can be carried out more efficient
Distribution, and then effectively match communication channel variation.
Further, the grouping information according to identified precoding resource block group carries out uplink precoding transmissions packet
It includes：
Uplink precoding transmissions are carried out after precoding and identified precoding resource block group are corresponded.
In the present embodiment, when the ascending resource of network side distribution is that distribution is distributed and network side indicates respectively in distribution
When the pre-coded index of row resource；For example, as shown in fig. 6, according to the precoding resource block group size to the uplink distributed
Resource is grouped, and is divided into two groups, respectively set1, set2, wherein set1 is by M1A continuous ascending resource number is constituted,
Corresponding to N1A pre-coded index number；Set2 is by M1A continuous ascending resource number is constituted, and corresponds to N2A pre-coded index number.
Wherein (M1, N1)=(3,2), (M2, N2)=(2,1), then basisIt is calculated the second of Physical Resource Block set1
The precoding resource block group size P'=2 of precoding resource block group size P'=2, Physical Resource Block set2.
The embodiment of the present invention also provides a kind of uplink precoding transmissions device, as shown in fig. 7, described device includes：
Receiving unit, the pre-coded index for receiving network side transmission；
Acquiring unit, the ascending resource number for obtaining network side distribution；
Determination unit, for determining precoding resource block group according to the pre-coded index and the ascending resource number distributed
Grouping information；
Transmission unit, for carrying out uplink precoding transmissions according to the grouping information of identified precoding resource block group.
Optionally, the determination unit includes：
First computing module, for calculating pre-coded index number according to the pre-coded index；
Second computing module, for calculating precoding money according to the ascending resource number distributed and the pre-coded index number
Source block group size；
Grouping module, for being grouped to the ascending resource distributed according to the precoding resource block group size.
Optionally, second computing module, for calculating precoding resource block group size according to following formula：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,
Expression rounds up.
Optionally, when the ascending resource of network side distribution is centralization distribution, the grouping module, for will be distributed
Ascending resource be divided into N groups, wherein the precoding resource block group size that last group includes be M- (N-1) × P ', other group packet
The PRB numbers contained are P', first group of position for corresponding to frequency starting.
Optionally, when the ascending resource of network side distribution is distributed distribution and network side does not indicate respectively distributed uplink
When the pre-coded index of resource, the grouping module, for by the distributed ascending resource distributed respectively set in uplink
Resource is grouped respectively, and the group number in each set is respectively：
Wherein, L indicates the number of set, M1+…+ML=M, the ascending resource in set is continuous on frequency domain, between gathering
Ascending resource is discontinuous on frequency domain；
Work as K1+…+KLWhen=N, according to the grouping that the above-mentioned ascending resource by each set is done, the uplink that will be distributed
Resource is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) corresponding
Set the highest set of frequency domain group number subtract 1, if at this point, update after K1+…+KL＞ N are still set up, then continuing will at this time
max(Ki) the group number of the corresponding set highest set of frequency domain subtracts 1, iteration carries out until K1+…+KL=N is set up, this
When, it can be used as the grouping of the ascending resource to being distributed；Wherein i ∈ (1 ..., L).
Optionally, when the ascending resource of network side distribution is distributed distribution and network side indicates respectively distributed uplink money
When the pre-coded index in source, the grouping module, for providing the uplink in respectively gathering in the distributed ascending resource distributed
Source is respectively divided into n subgroups, wherein the precoding resource block group size that last subgroup includes is m- (n-1) × P ', other subgroups
Including PRB numbers be P', the first subgroup correspond to the set in ascending resource frequency starting position, wherein m be collection
Ascending resource number in conjunction, n are the pre-coded index number in the corresponding set；Point that ascending resource in each set will be done
Group combines, the grouping as the ascending resource to being distributed.
Optionally, the transmission module, for corresponding precoding and identified precoding resource block group
Uplink precoding transmissions are carried out afterwards.
The present embodiment also provides a kind of user equipment, and the user equipment includes the uplink precoding transmissions device.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (15)
1. a kind of uplink pre-coding transmission method, which is characterized in that including：
Receive the pre-coded index that network side is sent；
Obtain the ascending resource number of network side distribution；
The grouping information of precoding resource block group is determined according to the pre-coded index and the ascending resource number distributed；
Uplink precoding transmissions are carried out according to the grouping information of identified precoding resource block group.
2. according to the method described in claim 1, it is characterized in that, described according to the pre-coded index and the uplink distributed
Number of resources determines that the grouping information of precoding resource block group includes：
Pre-coded index number is calculated according to the pre-coded index；
Precoding resource block group size is calculated according to the ascending resource number distributed and the pre-coded index number；
The ascending resource distributed is grouped according to the precoding resource block group size.
3. according to the method described in claim 2, it is characterized in that, described according to the ascending resource number distributed and described prelist
Code index number calculates precoding resource block group size：
Precoding resource block group size is calculated according to following formula：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,Indicate to
Upper rounding.
4. according to the method described in claim 3, it is characterized in that, when the ascending resource of network side distribution is that centralization is distributed
When, it is described according to the precoding resource block group size to the ascending resource distributed be grouped including：
The ascending resource distributed is divided into N groups, wherein the precoding resource block group size that last group includes is M- (N-1)
× P ', the PRB numbers that other groups include are P', first group of position for corresponding to frequency starting.
5. according to the method described in claim 3, it is characterized in that, when the ascending resource of network side distribution be distributed distribution and
It is described according to the precoding resource block group size pair when network side does not indicate respectively the pre-coded index of distributed ascending resource
The ascending resource distributed be grouped including：
Ascending resource in respectively gathering in the distributed ascending resource distributed is grouped respectively, the group number point in each set
It is not：
Wherein, L indicates the number of set, M1+…ML=M, the ascending resource in set is continuous on frequency domain, the uplink between gathering
Resource is discontinuous on frequency domain；
Work as K1+…+KLWhen=N, according to the grouping that the above-mentioned ascending resource by each set is done, the ascending resource that will be distributed
It is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) in corresponding set
The group number of the highest set of frequency domain subtracts 1, if at this point, update after K1+…+KL＞ N are still set up, then are continued max (K at this timei)
The group number of the corresponding set highest set of frequency domain subtracts 1, and iteration carries out until K1+…+KL=N is set up, at this point, can make
For the grouping to the ascending resource distributed；Wherein i ∈ (1 ..., L).
6. according to the method described in claim 3, it is characterized in that, when the ascending resource of network side distribution be distributed distribution and
When network side indicates respectively the pre-coded index of distributed ascending resource, it is described according to the precoding resource block group size to institute
The ascending resource of distribution be grouped including：
Ascending resource in respectively gathering in the distributed ascending resource distributed is respectively divided into n subgroups, wherein last subgroup
Including precoding resource block group size be m- (n-1) × P ', the PRB numbers that other subgroups include be P', the first subgroup correspond to
In the position that the frequency of the ascending resource in the set originates, wherein m is the ascending resource number in set, and n is the corresponding set
Interior pre-coded index number；
The packet assembling that ascending resource in each set will be done, the grouping as the ascending resource to being distributed.
7. method according to any one of claim 1 to 6, which is characterized in that described to be provided according to identified precoding
The grouping information of source block group carries out uplink precoding transmissions：
Uplink precoding transmissions are carried out after precoding and identified precoding resource block group are corresponded.
8. a kind of uplink precoding transmissions device, which is characterized in that including：
Receiving unit, the pre-coded index for receiving network side transmission；
Acquiring unit, the ascending resource number for obtaining network side distribution；
Determination unit, point for determining precoding resource block group according to the pre-coded index and the ascending resource number distributed
Group information；
Transmission unit, for carrying out uplink precoding transmissions according to the grouping information of identified precoding resource block group.
9. device according to claim 8, which is characterized in that the determination unit includes：
First computing module, for calculating pre-coded index number according to the pre-coded index；
Second computing module, for calculating precoding resource block according to the ascending resource number distributed and the pre-coded index number
Group size；
Grouping module, for being grouped to the ascending resource distributed according to the precoding resource block group size.
10. device according to claim 9, which is characterized in that second computing module, based on according to following formula
Calculate precoding resource block group size：
Wherein, P' is precoding resource block group size, and M is the ascending resource number distributed, and N is pre-coded index number,It indicates
It rounds up.
11. device according to claim 10, which is characterized in that when the ascending resource of network side distribution is that centralization is distributed
When, the grouping module, for the ascending resource distributed to be divided into N groups, wherein the precoding resource block that last group includes
Group size is M- (N-1) × P ', and the PRB numbers that other groups include are P', first group of position for corresponding to frequency starting.
12. device according to claim 10, which is characterized in that when the ascending resource of network side distribution is distributed is distributed
And network side is not when indicating respectively the pre-coded index of distributed ascending resource, the grouping module, point for that will be distributed
Ascending resource in respectively gathering in cloth ascending resource is grouped respectively, and the group number in each set is respectively：
Wherein, L indicates the number of set, M1+…+ML=M, the ascending resource in set is continuous on frequency domain, the uplink between gathering
Resource is discontinuous on frequency domain；
Work as K1+…+KLWhen=N, according to the grouping that the above-mentioned ascending resource by each set is done, the ascending resource that will be distributed
It is grouped；
Work as K1+…+KLWhen ＞ N, by min (Ki) it is corresponding gather include group number remain unchanged, max (Ki) in corresponding set
The group number of the highest set of frequency domain subtracts 1, if at this point, update after K1+…+KL＞ N are still set up, then are continued max (K at this timei)
The group number of the corresponding set highest set of frequency domain subtracts 1, and iteration carries out until K1+…+KL=N is set up, at this point, can make
For the grouping to the ascending resource distributed；Wherein i ∈ (1 ..., L).
13. device according to claim 10, which is characterized in that when the ascending resource of network side distribution is distributed is distributed
And network side is when indicating respectively the pre-coded index of distributed ascending resource, the grouping module, the distribution for will be distributed
Ascending resource in respectively gathering in formula ascending resource is respectively divided into n subgroups, wherein the precoding resource block that last subgroup includes
Group size is m- (n-1) × P ', and the PRB numbers that other subgroups include are P', and the first subgroup corresponds to the uplink money in the set
The position of the frequency starting in source, wherein m is the ascending resource number in set, and n is the pre-coded index number in the corresponding set；
The packet assembling that ascending resource in each set will be done, the grouping as the ascending resource to being distributed.
14. the device according to any one of claim 8 to 13, which is characterized in that the transmission module, for that will prelist
Code carries out uplink precoding transmissions after being corresponded with identified precoding resource block group.
15. a kind of user equipment, which is characterized in that the user equipment includes as described in any one of claim 8 to 14
Uplink precoding transmissions device.
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