CN102316581A - 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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- CN102316581A CN102316581A CN2010102192898A CN201010219289A CN102316581A CN 102316581 A CN102316581 A CN 102316581A CN 2010102192898 A CN2010102192898 A CN 2010102192898A CN 201010219289 A CN201010219289 A CN 201010219289A CN 102316581 A CN102316581 A CN 102316581A
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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, relate in particular 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 has been introduced Physical Resource Block binding (PRB Bundling) technology.PRB Bundling technology is meant a plurality of Physical Resource Block (PRB) gang, carries out channel estimating.PRB Bundling can utilize more pilot and channel strong correlation characteristic to carry out interpolation, thereby obtains the channel response of data division.Therefore, PRB Bundling technology can be so that channel estimating be more accurate.
In the prior art, according to the difference of bandwidth, one, two, three or four PRB are a Resource Block group (RBG), and the resource that the different received end takies is an integer RBG.And PRB Bundling is a unit with precoding resource group (PRG), and according to the difference of bandwidth, the size of PRG is one, two or three PRB.Relation between bandwidth, RBG size and the 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 the PRG size
PRG is that starting point is distributed with the system bandwidth border in the prior art.When being 27-63 PRB for system bandwidth, a part of PRG can cause receiving terminal can't carry out PRBBundling across two RBG, has increased handling process.
Summary of the invention
The embodiment of the invention provides a kind of distribution method of precoding resource group, be used to solve existing distribution method and make PRG across two RBG, thereby receiving terminal can't carry out the technical problem of PRB Bundling.
The distribution method of a kind of precoding resource group that the embodiment of the invention provides comprises:
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 the above-mentioned communication system distributes according to above-mentioned RBG size;
When above-mentioned RBG size is not the integral multiple of above-mentioned PRG size; In above-mentioned receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border distributes PRG according to above-mentioned PRG size, or in a RBG, is that starting point is distributed PRG according to above-mentioned PRG size with the RBG border.
The distribution method of a kind of precoding resource group that the embodiment of the invention provides comprises:
The first precoding resource group PRG size of obtaining communication system;
With the system bandwidth border is that starting point is distributed PRG according to above-mentioned PRG size;
For PRG across two RBG, notify receiving terminal through mode 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 invention provides comprises:
First acquisition module, the Resource Block group RBG that is used for the obtaining communication system is big or small, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in the above-mentioned communication system distributes according to above-mentioned RBG size;
First distribution module; Be used for when above-mentioned RBG size is not the integral multiple of above-mentioned PRG size; In above-mentioned receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border distributes PRG according to above-mentioned PRG size, or in a RBG, is that starting point is distributed PRG according to above-mentioned PRG size with the RBG border.
The distributing equipment of a kind of precoding resource group that the embodiment of the invention provides comprises:
The 3rd acquisition module, the first precoding resource group PRG that is used for the obtaining communication system is big or small;
The 3rd distribution module, being used for the system bandwidth border is that starting point is distributed PRG according to above-mentioned PRG size;
Second notification module is used for for the PRG across two RBG, notifies receiving terminal through mode explicit or implicit expression, does not carry out PRB bundling.
The embodiment of the invention begins to distribute PRG through the scheduling bandwidth border from receiving terminal; Avoided the situation of PRG across two RBG; And then avoided receiving terminal can't carry out the problem of PRB Bundling, and simplified the handling process of receiving terminal, perhaps the PRG across two RBG is not carried out PRB Bundling through the notice receiving terminal; Solved in the prior art receiving terminal and can't simplify the handling process of receiving terminal carry out the problem of PRB Bundling across the PRG of two RBG.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Shown in Figure 1 is the sketch map of the distribution method of a kind of precoding resource of embodiment of the invention group;
Shown in Figure 2 is PRG allocative decision sketch map;
Shown in Figure 3 is another kind of PRG allocative decision sketch map;
Shown in Figure 4 is another PRG allocative decision sketch map;
Shown in Figure 5 is the sketch map of the distribution method of the another kind of precoding resource of embodiment of the invention group;
Shown in Figure 6 is at a kind of PRG allocative decision sketch map;
Shown in Figure 7 is the distributing equipment structure chart of a kind of precoding resource of embodiment of the invention group;
Shown in Figure 8 is the distributing equipment structure chart of the another kind of precoding resource of embodiment of the invention group.
Embodiment
Shown in Figure 1 is the sketch map of the distribution method of a kind of precoding resource of embodiment of the invention group, and present embodiment comprises:
The executive agent of the embodiment of the invention is a transmitting terminal.
In the embodiment of the invention, the at first Resource Block group RBG of obtaining communication system size, and the first precoding resource group PRG of communication system size.Obtaining the above-mentioned Resource Block group RBG size and the first precoding resource group PRG size sequence can put upside down.The above-mentioned method of obtaining can comprise, for example, through system bandwidth, question blank 1.When being 27-63 PRB like system bandwidth, 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 above-mentioned PRG size comprises; For example; When system bandwidth is 27-63 PRB; The Resource Block group RBG size that is communication system is 3 PRB, and when the first precoding resource group PRG size of communication system was 2 PRB, the size of RBG was not the integral multiple of above-mentioned PRG size.But working as system bandwidth is 27-63 PRB, and promptly the Resource Block group RBG size of communication system is 3 PRB, and when the first precoding resource group PRG size of communication system was 3 PRB, the size of RBG was the integral multiple of above-mentioned PRG size.
In above-mentioned RBG size is not under the situation of the big or small integral multiple of an above-mentioned PRG; In above-mentioned receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border distributes PRG according to above-mentioned PRG size, or in a RBG, is that starting point is distributed PRG according to above-mentioned PRG size with the RBG border.
Shown in Figure 2ly distribute PRG allocative decision sketch map according to above-mentioned PRG size in above-mentioned receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border; This sketch map RBG size of only having drawn is 3 PRB and the PRG size situation when being 2 PRB; For other situation that possibly occur; In this figure, describe, but those skilled in the art can infer under the situation of 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, begin from the scheduling bandwidth border of receiving terminal 1, PRB 0, PRB 1 are divided into PRG0; Begin 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.
Shown in Figure 3ly distribute PRG allocative decision sketch map according to above-mentioned PRG size in a RBG, being starting point with the RBG border; This sketch map RBG size of only having drawn is 3 PRB and the PRG size situation when being 2 PRB; For other situation that possibly occur; In this figure, describe, but those skilled in the art can infer under the situation of 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, begin from the RBG border, PRB 0, PRB 1 are divided into PRG 0; In another RBG, begin, 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 from the RBG border.
Receiving terminal can carry out PRBBundling to the PRB that has distributed PRG after receiving the PRG allocative decision, and ignores the PRB that does not have to distribute to advance PRG.
The embodiment of the invention can also comprise:
The embodiment of the invention can also further be distributed remaining PRB.Need to prove that the first precoding resource group PRG size sequence of obtaining communication system does not limit, can be the optional position before the embodiment of the invention is distributed PRG according to the 2nd PRG size.Shown in Figure 4 is this PRG allocative decision sketch map.As can be seen from the figure, can PRB 2 further be assigned as size is 1 PRG, and the 2nd PRG size is 1 PRB in this figure.
The embodiment of the invention can also comprise:
The embodiment of the invention can also notify receiving terminal not bind PRB bundling to distributing the remaining part less than above-mentioned PRG size of PRG to carry out Physical Resource Block through mode explicit or implicit expression.For example, notify receiving terminal the PRB2 among Fig. 1-4 not to be carried out Physical Resource Block through mode explicit or implicit expression and bind PRB bundling.This mode has further been confirmed for distributing the remaining processing method less than the big or small part of an above-mentioned PRG of PRG.
The embodiment of the invention begins to distribute PRG through the scheduling bandwidth border from receiving terminal, has avoided the situation of PRG across two RBG, and then has avoided receiving terminal can't carry out the problem of PRB Bundling, has simplified the handling process of receiving terminal.Through continuing to distribute remaining PRB, perhaps notify receiving terminal remainder not to be carried out PRB Bundling again, further confirmed processing mode, thereby further simplified handling process for remainder according to the 2nd PRG size.
Shown in Figure 5 is the sketch map of the distribution method of a kind of precoding resource of embodiment of the invention group, and present embodiment comprises:
The executive agent of the embodiment of the invention is a transmitting terminal.
In the embodiment of the invention, at first the first precoding resource group PRG of obtaining communication system is big or small.The above-mentioned method of obtaining can comprise, for example, through system bandwidth, question blank 1.When being 27-63 PRB like system bandwidth, the first precoding resource group PRG size of communication system is 2 or 3 PRB.
Be that starting point is distributed PRG according to above-mentioned PRG size for above-mentioned communication system with the system bandwidth border then.Shown in Figure 6 is PRG allocative decision sketch map; This sketch map RBG size of only having drawn is 3 PRB and the PRG size situation when being 2 PRB; For other situation that possibly occur; In this figure, describe, but those skilled in the art can infer under the situation of 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, begin from the 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 PRG across two RBG, notify receiving terminal not carry out PRB bundling through mode explicit or implicit expression.For example notify receiving terminal PRG1,4 not to be carried out PRB bundling through mode explicit or implicit expression.
The embodiment of the invention is not carried out PRB Bundling to the PRG across two RBG through the notice receiving terminal, and having solved in the prior art receiving terminal can't simplify the handling process of receiving terminal to carry out the problem of PRB Bundling across the PRG of two RBG.
Shown in Figure 7 is the distributing equipment structure chart of a kind of precoding resource of embodiment of the invention group, and present embodiment comprises:
The embodiment of the invention can also comprise:
The embodiment of the invention can also comprise:
First notification module 705 is used for notifying receiving terminal through mode explicit or implicit expression, to distribute PRG according to above-mentioned PRG size after, does not carry out Physical Resource Block binding PRB bundling less than an above-mentioned PRG big or small at least one PRB or PRG.
The embodiment of the invention is used for the method for the embodiment of execution graph 1 description.
The embodiment of the invention begins to distribute PRG through first distribution module from the scheduling bandwidth border of receiving terminal, has avoided the situation of PRG across two RBG, and then has avoided receiving terminal can't carry out the problem of PRBBundling, has simplified the handling process of receiving terminal.Through continuing to distribute remaining PRB according to the 2nd PRG size, perhaps first notification module notice receiving terminal does not carry out PRB Bundling to remainder, has further confirmed the processing mode for remainder, thereby has further simplified handling process again.
Shown in Figure 8 is the distributing equipment structure chart of a kind of precoding resource of embodiment of the invention group, and present embodiment comprises:
The 3rd acquisition module 801, the first precoding resource group PRG that is used for the obtaining communication system is big or small;
The 3rd distribution module 802, being used for the system bandwidth border is that starting point is distributed PRG according to above-mentioned PRG size;
The embodiment of the invention is used for the method for the embodiment of execution graph 5 descriptions.
The embodiment of the invention is not carried out PRB Bundling to the PRG across two RBG through second notification module notice receiving terminal; Solved in the prior art receiving terminal and can't simplify the handling process of receiving terminal carry out the problem of PRB Bundling across the PRG of two RBG.
Through the description of above execution mode, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product, and this computer software product is stored in the storage medium that can read, like the floppy disk of computer; Hard disk or CD etc.; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the above-mentioned method of each embodiment of the present invention.
More than above-mentioned; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation 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 above-mentioned protection range with claim.
Claims (8)
1. the distribution method of a 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 the said communication system distributes according to said RBG size;
When said RBG size is not the integral multiple of said PRG size; In said receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border distributes PRG according to said PRG size, or in a RBG, is that starting point is distributed PRG according to said PRG size with the RBG border.
2. the method for claim 1 is characterized in that, also comprises:
The second precoding resource group PRG size of obtaining communication system;
To distribute behind the PRG less than at least one Physical Resource Block PRB of said PRG size according to said PRG size, distribute PRG according to the 2nd PRG size;
Said the 2nd PRG size is less than said PRG size.
3. according to claim 1 or claim 2 method is characterized in that, also comprises:
For distributing according to said PRG size behind the PRG less than at least one PRB or the PRG of said PRG size, notify receiving terminal through mode explicit or implicit expression, do not carry out Physical Resource Block and bind PRB bundling.
4. the distribution method of a precoding resource group is characterized in that, comprising:
The first precoding resource group PRG size of obtaining communication system;
With the system bandwidth border is that starting point is distributed PRG according to said PRG size;
For PRG across two RBG, notify receiving terminal through mode explicit or implicit expression, do not carry out PRB bundling.
5. the distributing equipment of a precoding resource group is characterized in that, comprising:
First acquisition module, the Resource Block group RBG that is used for the obtaining communication system is big or small, the first precoding resource group PRG size of obtaining communication system, wherein, the receiving terminal scheduling bandwidth in the said communication system distributes according to said RBG size;
First distribution module; Be used for when said RBG size is not the integral multiple of said PRG size; In said receiving terminal scheduling bandwidth, being starting point with receiving terminal scheduling bandwidth border distributes PRG according to said PRG size, or in a RBG, is that starting point is distributed PRG according to said PRG size with the RBG border.
6. equipment as claimed in claim 1 is characterized in that, also comprises:
Second acquisition module, the second precoding resource group PRG that is used for the obtaining communication system is big or small;
Second distribution module is used for distributing PRG with distributing according to said PRG size behind the PRG less than at least one Physical Resource Block PRB of said PRG size according to the 2nd PRG size, and said the 2nd PRG size is less than said PRG size.
7. according to claim 1 or claim 2 equipment is characterized in that, also comprises:
First notification module is used for notifying receiving terminal for distributing according to said PRG size behind the PRG less than at least one PRB or the PRG of said PRG size through mode explicit or implicit expression, does not carry out Physical Resource Block and binds PRB bundling.
8. the distributing equipment of a precoding resource group is characterized in that, comprising:
The 3rd acquisition module, the first precoding resource group PRG that is used for the obtaining communication system is big or small;
The 3rd distribution module, being used for the system bandwidth border is that starting point is distributed PRG according to said PRG size;
Second notification module is used for for the PRG across two RBG, notifies receiving terminal through mode explicit or implicit expression, does not carry out PRB bundling.
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| CN108900230A (en) * | 2018-01-12 | 2018-11-27 | 华为技术有限公司 | Method, the network equipment and the terminal device of communication |
| US10720975B2 (en) | 2018-01-12 | 2020-07-21 | Huawei Technologies Co., Ltd. | Communication method, network device, and terminal device |
| US10461822B2 (en) | 2018-01-12 | 2019-10-29 | Huawei Technologies Co., Ltd. | Communication method, network device, and terminal device |
| CN111865856B (en) * | 2019-04-29 | 2022-07-19 | 大唐移动通信设备有限公司 | Signal sending and receiving method and terminal |
| CN111865856A (en) * | 2019-04-29 | 2020-10-30 | 大唐移动通信设备有限公司 | Signal sending and receiving method and terminal |
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