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Method and device for resource allocation

A resource allocation and resource allocation type technology, applied in the field of resource allocation, can solve the problems of low downlink throughput of the cell and unusable PRB terminals, etc.

Active Publication Date: 2021-08-27
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a resource allocation method and device to solve the problem in the prior art that the downlink throughput of the cell is low due to the unusability of PRB terminals occupied by broadcast and paging

Method used

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  • Method and device for resource allocation
  • Method and device for resource allocation
  • Method and device for resource allocation

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] The embodiment of the present invention is applied to a 3D-MIMO scenario. The so-called 3D-MIMO is to improve the average spectrum efficiency of a cell by installing hundreds of antennas (such as 128 or more) in a base station. Different from traditional MIMO, when the number of antennas in the base station tends to be large, the channels of each terminal tend to be orthogonal, and the interference between terminals tends to disap...

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Abstract

The invention discloses a resource allocation method and device, which are used to solve the problem of low downlink throughput of cells in the prior art. In the embodiment of the present invention, the network side device determines the starting PRB used to send cell-level information according to the resource allocation type and target PRB adopted by the terminal, and then according to the determined starting PRB and the cell-level information to be sent , to determine the PRB used to send the cell-level information. Since the network side device searches the PRB carrying the primary synchronization signal and / or the secondary synchronization signal for the initial PRB of the cell-level information to be sent, the source of the cell-level information is migrated to the target resource that the terminal cannot use, increasing the load capacity. The number of PRBs for sending data services improves the downlink throughput of the cell.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a resource allocation method and device. Background technique [0002] 3D-MIMO (3D-Multiple-Input Multiple-Output, multiple-input multiple-output technology) is one of the important features in the evolution of TD-LTE (TD-SCDMA Long Term Evolution, time-division synchronous code division multiple access-long-term evolution) technology. Flexible networking, effectively reducing the difficulty of site selection, enhancing coverage, reducing interference, and increasing capacity. At present, the transmission mode adopted by the terminal based on the 3D-MIMO scenario is beamforming, which can be 8 terminals using the same frequency domain resources, and each terminal data transmission uses port 7 and port 8 for dual-stream data transmission; it can also be 16 Each terminal uses the same frequency domain resources, and each terminal uses port 7 or port 8 for single-str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04B7/0413
CPCH04B7/0413H04W72/044
Inventor 周陈芬李静
Owner DATANG MOBILE COMM EQUIP CO LTD