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Method and device for allocating resources

A resource allocation and resource block group technology, applied in the field of resource allocation methods and devices, to achieve the effect of ensuring QoS requirements and improving utilization

Active Publication Date: 2013-05-01
SHANGHAI DATANG MOBILE COMM EQUIP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention discloses a resource allocation method and device to solve the problem in the background art that there is no design specifically for the implementation of resource allocation with the resource allocation type type0

Method used

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  • Method and device for allocating resources
  • Method and device for allocating resources
  • Method and device for allocating resources

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0084] A resource allocation method disclosed in the embodiment of the present invention is introduced in detail.

[0085] refer to figure 1 , shows a flowchart of a resource allocation method in an embodiment of the present invention.

[0086] Step 100, obtain currently available physical resource block information, and generate a resource block group set according to the available physical resource block information.

[0087] Specifically, PRBs not occupied by other bearers are selected from all PRBs, marked as currently available PRB resources, and current available PRB resource information is generated. In addition, the available PRBs are divided into N RBGs according to the requirements of the 3GPP36.213 specification, and the size of each RBG is p. Compared with the available PRB resource information, RBGs that are available for p PRBs among the N RBGs are selected to generate an available RBG set.

[0088] Step 102, judging whether each resource block group in the res...

Embodiment 2

[0097] A resource allocation method disclosed in the embodiment of the present invention is introduced in detail.

[0098] refer to figure 2 , shows a flowchart of a resource allocation method in an embodiment of the present invention.

[0099] Step 200, judging whether the predetermined resource allocation type is single codeword transmission.

[0100] If not, resource allocation is performed according to the multi-codeword resource allocation algorithm.

[0101] If yes, perform an operation of acquiring currently available physical resource block information.

[0102]Specifically, first judge the codeword according to the DCI format of the UE to which the GBR bearer to be scheduled belongs. After determining the type0 resource allocation type, determine whether the type0 resource allocation type is single codeword transmission. If so, obtain the currently available physical Resource block information operation; if not, resource allocation is performed according to the mu...

Embodiment 3

[0147] A resource allocation method disclosed in the embodiment of the present invention is introduced in detail.

[0148] refer to image 3 , shows a schematic diagram of a resource allocation method in an embodiment of the present invention.

[0149] According to the 3GPP specification, after the DCI format is determined, the DCI format of the scheduled UE is determined, and the DCI formats supporting type 0 and type 1 resource allocation types include DCI format1 / 2A / 2 / 2B.

[0150] The resource allocation of type 0 allocates resources according to the complete RBG, which is suitable for the allocation of relatively large resource requirements; the type 1 type allocates resources according to the PRB in the specified RBG, and is generally applicable to the allocation of relatively small resource requirements. Therefore, for a UE adopting DCI format 1 / 2A / 2, it supports resource allocation type type 0 / 1, which is determined in combination with RB data amount information and UE...

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PUM

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Abstract

The embodiment of the invention discloses a method and a device for allocating resources, aiming at solving the problem of the background art that the special resource allocating method for a resource allocating type (type0) is not provided. The method comprises the following steps of obtaining the current available physical resource block information, and according to the available physical resource block information, generating a resource block group assembly; judging whether each resource block group in the resource block group assembly meets the preset condition or not; calculating the average modulation and encoding strategy level of the resource block group meeting the preset condition; and according to the average modulation and encoding strategy level, determining the bearable frequency of the resource block group to be allocated, so as to complete resource allocation. The method and the device disclosed by the embodiment of the invention have the advantages that the resource allocating method for the resource allocating type (type0) is provided, the GBR (guarantee bit rate) bearing is subjected to resource allocation in RBG (red, blue and green), the utilization rate of the resource is improved, and the QoS (quality of service) requirement of the GBR bearing of an LTE (long term evolution) system is ensured.

Description

technical field [0001] The embodiments of the present invention relate to the field of communication technologies, and in particular, to a resource allocation method and device. Background technique [0002] Long Term Evolution (LTE), as a new technology, the minimum service unit provided in the initial resource allocation is divided into guaranteed bit rate (Guarantee Bit Rate, GBR) bearer and non-guarantee bit rate (Non-Guarantee Bit Rate , N-GBR) bearer, where the GBR bearer is divided into an uplink GBR bearer and a downlink GBR bearer. The GBR bearer is determined according to the guaranteed bit rate. The rate of the GBR bearer must be satisfied, and the occurrence rate of the service will not be increased even if there are redundant resources. Moreover, in the LTE system, there are three types of resource allocation for a physical downlink shared channel (Physical downlink shared channel, PDSCH), namely type0, type1 and type2. [0003] At present, the agreement only ...

Claims

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Application Information

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IPC IPC(8): H04W72/10
Inventor 袁建涛王叶青周文千蔡赟
Owner SHANGHAI DATANG MOBILE COMM EQUIP
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