CN102316581B - Distribution method and equipment for pre-coding resource groups - Google Patents
Distribution method and equipment for pre-coding resource groups Download PDFInfo
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Abstract
The embodiment of the invention discloses a distribution method and equipment for pre-coding resource groups (PRGs). The method disclosed by the embodiment of the invention comprises the following steps of: obtaining the resource block group (RBG) size of RBGs of a communication system and obtaining the PRG size of a first PRG of the communication system, wherein the receiving end dispatching bandwidth in the communication system is distributed according to the RBG size; and distributing the PRG according to the first PRG size by using the receiving end dispatching bandwidth boundary as a starting point in the receiving end dispatching bandwidth when the RBG size is not the integral multiples of the first PRG size, or distributing the PRG according to the first PRG size by using the RBG boundary as a starting point in one RBG. The embodiment of the invention has the advantages that the PRG is started to be distributed from the receiving end dispatching bandwidth boundary, the condition that the PRG transversely spans across two RBGs is avoided, further, the problem that the receiving end can not realize pre-coding resource block (PRB) bundling is avoided, and the processing flow process of the receiving end is simplified.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of distribution method and equipment of precoding resource group.
Background technology
In order to improve channel estimating performance further, the communication system of a new generation introduces Physical Resource Block binding (PRB Bundling) technology.PRB Bundling technology refers to united for multiple Physical Resource Block (PRB), carries out channel estimating.PRB Bundling can utilize more pilot tone and channel strong correlation characteristic to carry out interpolation, thus obtains the channel response of data division.Therefore, PRB Bundling technology can make channel estimating more accurate.
In prior art, according to the difference of bandwidth, one, two, three or four PRB are a Resource Block group (RBG), and the resource that different receiving terminals takies is an integer RBG.And PRB Bundling with precoding resource group (PRG) for unit, according to the difference of bandwidth, the size of PRG is one, two or three PRB.Relation between bandwidth, RBG size and PRG size sees the following form:
| Bandwidth (PRB quantity) | RBG size (PRB quantity) | PRG size (PRB quantity) |
| ≤10 | 1 | 1 |
| 11-26 | 2 | 2 |
| 27-63 | 3 | 2 or 3 |
| 64-110 | 4 | 2 |
Relation between form 1 bandwidth, RBG size and PRG size
In prior art PRG with system bandwidth border for starting point is distributed.When being 27-63 PRB for system bandwidth, a part of PRG across two RBG, can cause receiving terminal to carry out PRBBundling, adds handling process.
Summary of the invention
Embodiments providing a kind of distribution method of precoding resource group, make PRG across two RBG for solving existing distribution method, thus receiving terminal cannot carry out the technical problem of PRB Bundling.
The distribution method of a kind of precoding resource group that the embodiment of the present invention provides, comprising:
The Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in above-mentioned communication system distributes according to above-mentioned RBG size;
When above-mentioned RBG size is not the integral multiple of an above-mentioned PRG size, in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to above-mentioned one PRG size distribute PRG, or in a RBG with RBG border for starting point according to above-mentioned one PRG size distribute PRG.
The distribution method of a kind of precoding resource group that the embodiment of the present invention provides, comprising:
First precoding resource group PRG size of obtaining communication system;
With system bandwidth border for starting point distributes PRG according to an above-mentioned PRG size;
For the PRG across two RBG, notify receiving terminal by mode that is explicit or implicit expression, do not carry out PRB bundling.
The distributing equipment of a kind of precoding resource group that the embodiment of the present invention provides, comprising:
First acquisition module, for the Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in above-mentioned communication system distributes according to above-mentioned RBG size;
First distribution module, during for not being the integral multiple of an above-mentioned PRG size when above-mentioned RBG size, in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to above-mentioned one PRG size distribute PRG, or in a RBG with RBG border for starting point according to above-mentioned one PRG size distribute PRG.
The distributing equipment of a kind of precoding resource group that the embodiment of the present invention provides, comprising:
3rd acquisition module, for the first precoding resource group PRG size of obtaining communication system;
3rd distribution module, for system bandwidth border for starting point according to above-mentioned one PRG size distribute PRG;
Second notification module, for for the PRG across two RBG, notifies receiving terminal by mode that is explicit or implicit expression, does not carry out PRB bundling.
The embodiment of the present invention by distributing PRG from the scheduling bandwidth border of receiving terminal, avoid the situation of PRG across two RBG, and then avoid the problem that receiving terminal cannot carry out PRB Bundling, simplify the handling process of receiving terminal, or PRB Bundling is not carried out to the PRG across two RBG by notice receiving terminal, solve receiving terminal in prior art and cannot carry out the problem of PRB Bundling to the PRG across two RBG, simplify the handling process of receiving terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the schematic diagram of the distribution method of a kind of precoding resource of embodiment of the present invention group;
Figure 2 shows that PRG allocative decision schematic diagram;
Figure 3 shows that another kind of PRG allocative decision schematic diagram;
Figure 4 shows that another PRG allocative decision schematic diagram;
Figure 5 shows that the schematic diagram of the distribution method of the embodiment of the present invention another kind of precoding resource group;
Figure 6 shows that at a kind of PRG allocative decision schematic diagram;
Figure 7 shows that the distributing equipment structure chart of a kind of precoding resource of embodiment of the present invention group;
Figure 8 shows that the distributing equipment structure chart of the embodiment of the present invention another kind of precoding resource group.
Embodiment
Figure 1 shows that the schematic diagram of the distribution method of a kind of precoding resource of embodiment of the present invention group, the present embodiment comprises:
Step 101, the Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in above-mentioned communication system distributes according to above-mentioned RBG size;
Step 102, when above-mentioned RBG size is not the integral multiple of an above-mentioned PRG size, in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to above-mentioned one PRG size distribute PRG, or in a RBG with RBG border for starting point according to above-mentioned one PRG size distribute PRG.
The executive agent of the embodiment of the present invention is transmitting terminal.
In the embodiment of the present invention, the first precoding resource group PRG size of the first Resource Block group RBG size of obtaining communication system, and communication system.The order obtaining above-mentioned Resource Block group RBG size and the first precoding resource group PRG size can be put upside down.The method of above-mentioned acquisition can comprise, such as, by system bandwidth, and question blank 1.As system bandwidth be 27-63 PRB time, the Resource Block group RBG size of communication system is 3 PRB, and the first precoding resource group PRG size of communication system is 2 or 3 PRB.
Above-mentioned RBG size is not that the situation of the integral multiple of an above-mentioned PRG size comprises, such as, when system bandwidth is 27-63 PRB, namely the Resource Block group RBG size of communication system is 3 PRB, when first precoding resource group PRG size of communication system is 2 PRB, the size of RBG is not the integral multiple of an above-mentioned PRG size.But when system bandwidth is 27-63 PRB, namely the Resource Block group RBG size of communication system is 3 PRB, and when the first precoding resource group PRG size of communication system is 3 PRB, the size of RBG is the integral multiple of an above-mentioned PRG size.
When above-mentioned RBG size is not the integral multiple of an above-mentioned PRG size, in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to above-mentioned one PRG size distribute PRG, or in a RBG with RBG border for starting point according to above-mentioned one PRG size distribute PRG.
To Figure 2 shows that in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border as starting point distributes PRG allocative decision schematic diagram according to an above-mentioned PRG size, this schematic diagram only depict RBG size be 3 PRB and PRG size is 2 PRB time situation, for other situations that may occur, do not describe in detail in this figure, but those skilled in the art can infer when not paying creative work and learn.As can be seen from the figure, suppose that RBG 0 is the resource of receiving terminal 1, RBG 1,2,3 is the resource of receiving terminal 2, and wherein each RBG respectively comprises 3 PRB, and each PRG respectively comprises 2 PRB.When distributing PRG, from the scheduling bandwidth border of receiving terminal 1, PRB 0, PRB 1 are divided into PRG0; From the scheduling bandwidth border of receiving terminal 2, PRB 3, PRB 4 are divided into PRG 1, PRB 5, PRB 6 are divided into PRG 2, PRB 7, PRB 8 are divided into PRG 3, PRB 9, PRB 10 are divided into PRG4.
To Figure 3 shows that in a RBG with RBG border as starting point distributes PRG allocative decision schematic diagram according to an above-mentioned PRG size, this schematic diagram only depict RBG size be 3 PRB and PRG size is 2 PRB time situation, for other situations that may occur, do not describe in detail in this figure, but those skilled in the art can infer when not paying creative work and learn.As can be seen from the figure, suppose that RBG 0 is the resource of receiving terminal 1, RBG 1,2,3 is the resource of receiving terminal 2, and wherein each RBG respectively comprises 3 PRB, and each PRG respectively comprises 2 PRB.When distributing PRG, in a RBG from RBG border, PRB 0, PRB 1 are divided into PRG 0; In another RBG from RBG border, PRB 3, PRB 4 are divided into a PRG, PRB 6, PRB 7 are divided into a PRG, PRB 9, PRB 10 are divided into a PRG.
Receiving terminal, after receiving PRG allocative decision, can carry out PRBBundling to the PRB being assigned with PRG, and ignore the PRB do not distributed into PRG.
The embodiment of the present invention can also comprise:
Step 103, the second precoding resource group PRG size of obtaining communication system,
Step 104, by according at least one Physical Resource Block PRB being less than an above-mentioned PRG size after an above-mentioned PRG size distribution PRG, distributes PRG according to the 2nd PRG size; Above-mentioned 2nd PRG size is less than an above-mentioned PRG size.
The embodiment of the present invention can also distribute remaining PRB further.It should be noted that, the order of the first precoding resource group PRG size of obtaining communication system does not limit, and can be to distribute the optional position before PRG in the embodiment of the present invention according to the 2nd PRG size.Figure 4 shows that this PRG allocative decision schematic diagram.As can be seen from the figure, PRB 2 can be assigned as the PRG that size is 1 further, the 2nd PRG size is 1 PRB in detail in this figure.
The embodiment of the present invention can also comprise:
Step 105, notifies receiving terminal by mode that is explicit or implicit expression, does not carry out Physical Resource Block binding PRB bundling at least one PRB being less than an above-mentioned PRG size after distributing PRG according to an above-mentioned PRG size.
By mode that is explicit or implicit expression, the embodiment of the present invention can also notify that receiving terminal does not carry out Physical Resource Block binding PRB bundling to the remaining part being less than an above-mentioned PRG size of distribution PRG.Such as, notify that receiving terminal does not carry out Physical Resource Block binding PRB bundling to the PRB2 in Fig. 1-4 by mode that is explicit or implicit expression.This mode further determined that for the remaining processing method being less than the part of an above-mentioned PRG size of distribution PRG.
The embodiment of the present invention, by distributing PRG from the scheduling bandwidth border of receiving terminal, avoids the situation of PRG across two RBG, and then avoids the problem that receiving terminal cannot carry out PRB Bundling, simplifies the handling process of receiving terminal.Again by continuing to distribute remaining PRB according to the 2nd PRG size, or notice receiving terminal does not carry out PRB Bundling to remainder, further determined that the processing mode for remainder, thus further simplify handling process.
Figure 5 shows that the schematic diagram of the distribution method of a kind of precoding resource of embodiment of the present invention group, the present embodiment comprises:
Step 501, the first precoding resource group PRG size of obtaining communication system;
Step 502, with system bandwidth border for starting point according to an above-mentioned PRG size be above-mentioned communication system distribute PRG;
Step 503, notifies receiving terminal by mode that is explicit or implicit expression, does not carry out PRB bundling to the PRG across two RBG.
The executive agent of the embodiment of the present invention is transmitting terminal.
In the embodiment of the present invention, first the first precoding resource group PRG size of obtaining communication system.The method of above-mentioned acquisition can comprise, such as, by system bandwidth, and question blank 1.As system bandwidth be 27-63 PRB time, the first precoding resource group PRG size of communication system is 2 or 3 PRB.
Then with system bandwidth border for starting point according to an above-mentioned PRG size be above-mentioned communication system distribute PRG.Figure 6 shows that PRG allocative decision schematic diagram, this schematic diagram only depict RBG size be 3 PRB and PRG size is 2 PRB time situation, for other situations that may occur, do not describe in detail in this figure, but those skilled in the art can infer when not paying creative work and learn.As can be seen from the figure, suppose that RBG 0 is the resource of receiving terminal 1, RBG 1,2,3 is the resource of receiving terminal 2, and wherein each RBG respectively comprises 3 PRB, and each PRG respectively comprises 2 PRB.When distributing PRG, from system bandwidth border, PRB 0, PRB 1 are divided into PRG 0; PRB 2, PRB 3 are divided into PRG 1; PRB 4, PRB 5 are divided into PRG 2 etc.
Last for the PRG across two RBG, notify that receiving terminal does not carry out PRB bundling by mode that is explicit or implicit expression.Such as notify that receiving terminal does not carry out PRB bundling to PRG1,4 by mode that is explicit or implicit expression.
The embodiment of the present invention does not carry out PRB Bundling to the PRG across two RBG by notice receiving terminal, solves receiving terminal in prior art and cannot carry out the problem of PRB Bundling to the PRG across two RBG, simplify the handling process of receiving terminal.
Figure 7 shows that the distributing equipment structure chart of a kind of precoding resource of embodiment of the present invention group, the present embodiment comprises:
First acquisition module 701, for the Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in above-mentioned communication system distributes according to above-mentioned RBG size;
First distribution module 702, during for not being the integral multiple of an above-mentioned PRG size when above-mentioned RBG size, in above-mentioned receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to above-mentioned one PRG size distribute PRG, or in a RBG with RBG border for starting point according to above-mentioned one PRG size distribute PRG.
The embodiment of the present invention can also comprise:
Second acquisition module 703, for the second precoding resource group PRG size of obtaining communication system;
Second distribution module 704, for distributing according to an above-mentioned PRG size at least one Physical Resource Block PRB being less than an above-mentioned PRG size after PRG, distribute PRG according to the 2nd PRG size, above-mentioned 2nd PRG size is less than an above-mentioned PRG size.
The embodiment of the present invention can also comprise:
First notification module 705, for notifying receiving terminal by mode that is explicit or implicit expression, does not carry out Physical Resource Block binding PRB bundling at least one PRB or PRG being less than an above-mentioned PRG size after distributing PRG according to an above-mentioned PRG size.
The embodiment of the present invention is for performing the method for the embodiment of Fig. 1 description.
The embodiment of the present invention distributes PRG by the first distribution module from the scheduling bandwidth border of receiving terminal, avoids the situation of PRG across two RBG, and then avoids the problem that receiving terminal cannot carry out PRBBundling, simplifies the handling process of receiving terminal.Again by continuing to distribute remaining PRB according to the 2nd PRG size, or the first notification module notice receiving terminal does not carry out PRB Bundling to remainder, further determined that the processing mode for remainder, thus further simplify handling process.
Figure 8 shows that the distributing equipment structure chart of a kind of precoding resource of embodiment of the present invention group, the present embodiment comprises:
3rd acquisition module 801, for the first precoding resource group PRG size of obtaining communication system;
3rd distribution module 802, for system bandwidth border for starting point according to above-mentioned one PRG size distribute PRG;
Second notification module 803, for notifying receiving terminal not to the PRG across two RBG by mode that is explicit or implicit expression, carries out PRB bundling.
The embodiment of the present invention is for performing the method for the embodiment of Fig. 5 description.
The embodiment of the present invention does not carry out PRB Bundling to the PRG across two RBG by the second notification module notice receiving terminal, solve receiving terminal in prior art and cannot carry out the problem of PRB Bundling to the PRG across two RBG, simplify the handling process of receiving terminal.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform the above-mentioned method of each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
Above-mentioned above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the above-mentioned protection range with claim.
Claims (8)
1. a distribution method for precoding resource group, is characterized in that, comprising:
The Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in described communication system distributes according to described RBG size;
When described RBG size is not the integral multiple of a described PRG size, in described receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to described one PRG size distribute PRG, or in a RBG with RBG border for starting point according to described one PRG size distribute PRG.
2. the method for claim 1, is characterized in that, also comprises:
Second precoding resource group PRG size of obtaining communication system;
By according at least one Physical Resource Block PRB being less than a described PRG size after a described PRG size distribution PRG, distribute PRG according to the 2nd PRG size;
Described 2nd PRG size is less than a described PRG size.
3. method as claimed in claim 1 or 2, is characterized in that, also comprise:
Distribute for according to a described PRG size at least one PRB or PRG being less than a described PRG size after PRG, notify receiving terminal by mode that is explicit or implicit expression, do not carry out Physical Resource Block binding PRB bundling.
4. a distribution method for precoding resource group, is characterized in that, comprising:
First precoding resource group PRG size of obtaining communication system;
With system bandwidth border for starting point distributes PRG according to a described PRG size;
For the PRG across two RBG, notify receiving terminal by mode that is explicit or implicit expression, do not carry out PRB bundling.
5. a distributing equipment for precoding resource group, is characterized in that, comprising:
First acquisition module, for the Resource Block group RBG size of obtaining communication system, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in described communication system distributes according to described RBG size;
First distribution module, during for not being the integral multiple of a described PRG size when described RBG size, in described receiving terminal scheduling bandwidth with receiving terminal scheduling bandwidth border for starting point according to described one PRG size distribute PRG, or in a RBG with RBG border for starting point according to described one PRG size distribute PRG.
6. equipment as claimed in claim 5, is characterized in that, also comprise:
Second acquisition module, for the second precoding resource group PRG size of obtaining communication system;
Second distribution module, for distributing according to a described PRG size at least one Physical Resource Block PRB being less than a described PRG size after PRG, distribute PRG according to the 2nd PRG size, described 2nd PRG size is less than a described PRG size.
7. the equipment as described in claim 5 or 6, is characterized in that, also comprises:
First notification module, for distributing for according to a described PRG size at least one PRB or PRG being less than a described PRG size after PRG, notifying receiving terminal by mode that is explicit or implicit expression, not carrying out Physical Resource Block binding PRB bundling.
8. a distributing equipment for precoding resource group, is characterized in that, comprising:
3rd acquisition module, for the first precoding resource group PRG size of obtaining communication system;
3rd distribution module, for system bandwidth border for starting point according to described one PRG size distribute PRG;
Second notification module, for for the PRG across two RBG, notifies receiving terminal by mode that is explicit or implicit expression, does not carry out PRB bundling.
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