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Method and device for allocating resources in space division multiple access system

A technology of space division multiple access and resource allocation device, applied in electrical components, wireless communication and other directions, to achieve the effects of reducing scheduling delay, high resource utilization, and wide applicability

Active Publication Date: 2012-12-26
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, there is no resource allocation scheme for SDMA systems based on LTE (Long Term Evolution, long-term evolution) and LTE-A (Long Term Evolution-Advanced, long-term evolution upgrade) standards

Method used

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  • Method and device for allocating resources in space division multiple access system
  • Method and device for allocating resources in space division multiple access system
  • Method and device for allocating resources in space division multiple access system

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Embodiment Construction

[0054] The SDMA system based on physical isolation mainly refers to the technology of realizing resource reuse through physical isolation between users (such as loss between floors of buildings), that is, the base station can allocate the same time for users in different independent spaces. Frequency resources, thereby improving resource utilization, greatly improving system throughput and user data transmission rate. The frequency domain resource allocation in the space division multiplexing system needs to comprehensively consider the user's attribution space, scheduling priority, and the required frequency domain resource size.

[0055] The resources of existing non-SDMA systems do not need to consider multi-user pairing. Only SDMA users need to consider multi-user pairing. At the same time, SDMA systems rely on the independence of physical space to distinguish users, so users are divided into two categories. One is in the independent space and can only receive the signal o...

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Abstract

The invention discloses a method and a device for allocating resources in a space division multiple access system. The method comprises the steps of determining the scheduling priority level of a user; determining the affiliation space of the user; and allocating physical resources for the user according to the scheduling priority level and the affiliation space of the user. The invention has the advantages that the applicability is wide; the method and the device can be used for any space division multiple system and any duplexing system; the problem of the frequency domain resource allocation of the space division multiple access system in LTE (Long Term Evolution) or LTE-A can be effectively solved; the resources are multiplexed to the maximum extent, and the utilization rate of the resources is higher; a part of the scheduling time delay can be reduced; the success rate of the resource allocation is enhanced; and the method and the device can be widely applied to the resource allocation of a service channel and a control channel.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a resource allocation method and device in an SDMA (Space Division Multiple Access, Space Division Multiple Access) system. Background technique [0002] Space-division multiplexing SDMA technology can be widely used in indoor and outdoor scenarios, and can be used to improve cell capacity, data transmission rate, and system spectrum utilization. For example, indoor space division multiplexing between floors can enable users on multiple floors to reuse the same resources, thereby greatly improving system capacity and reducing cell switching when users cross floors. [0003] The base station equipment (eNB) is a distributed base station equipment, which is composed of a baseband unit equipment BBU (Base BandUnit, baseband processing unit) and a radio frequency remote equipment RRU (Radio Remote Unit, remote radio frequency unit). It is a flexible distributed A combin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12
Inventor 李晓皎胡奕李琼
Owner DATANG MOBILE COMM EQUIP CO LTD
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