Resource layering method and device of spatial division multiple access system

Abstract

The invention discloses a resource layering method and device of a spatial division multiple access system. The method comprises the following steps of determining first class spaces, wherein users in the first class spaces are assigned to a same independent space, and the resource quantity needed by the users in the independent space is larger than a first threshold; determining second class spaces, wherein users in the second class spaces are assigned to a same independent space, and the resource quantity needed by the users in the independent space is smaller than the first threshold; distributing the first class spaces into a layer; combining the second class spaces to be a layer, wherein the resource quantity needed by the users assigned to the layer subjected to layering is smaller than a second threshold; and respectively layering the second class spaces which are not combined, wherein the first threshold is less than or equal to the second threshold. By utilizing the invention, the resource layering can be reduced and the times of resource reassortment by the users can be reduced when an assigning space is switched, therefore, the signalling overhead used for resource scheduling is reduced.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a resource layering method and device for 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. It is composed of a baseband unit equipment BBU (BaseBandUnit, baseband processing unit) and a radio frequency remote equipment RRU (Radio Remote Unit, remote radio frequency unit). It is a flexible distributed The installed b...

AI Technical Summary

Problems solved by technology

[0007] When the number of users in the system is unevenly distributed, it may lead to uneven resource loads on each layer; the resource layering status cannot be flexibly changed according to the amount of resources required by each independent space, and when the user's belonging space changes, the required control Both channel and traffic channel resources need to be reallocated, and the scheduling signaling overhead is relatively large

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