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Resource allocation device, resource allocation method and communication system of small cell cluster

A resource allocation device and resource allocation technology are applied in the fields of resource allocation methods and communication systems, which can solve the problems of high interference and high setting density, and achieve the effects of reducing interference and improving scalability.

Active Publication Date: 2022-05-10
BRITISH TELECOMM PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high density of small cells, small cells can cause harmful interference to other user equipment in the spectrum

Method used

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  • Resource allocation device, resource allocation method and communication system of small cell cluster
  • Resource allocation device, resource allocation method and communication system of small cell cluster
  • Resource allocation device, resource allocation method and communication system of small cell cluster

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 of the present application provides a small cell cluster (Small Cell Cluster, SSC) resource allocation method, which allocates resources for the small cell cluster in a communication system.

[0034] In this embodiment, the communication system includes at least a base station in a small cell cluster and an upper-level base station serving the small cell cluster, and the base stations in the small cell cluster have a base station as a cluster head.

[0035] In this embodiment, the upper-level base station may allocate resources to the small cell cluster served by the base station, and the cluster head of the small cell cluster may allocate resources to the base stations inside the small cell cluster.

[0036]In this embodiment, each small cell cluster may include at least one small cell and / or at least one lower-level small cell cluster, that is, the cluster members of each small cell cluster may be small cells or lower-level A first-level small cell cluste...

Embodiment 2

[0088] An embodiment of the present invention provides a resource allocation device for a small cell cluster, which is configured in a base station and corresponds to the resource allocation method in Embodiment 1.

[0089] Figure 5 is a schematic diagram of the resource allocation device in Embodiment 2, such as Figure 5 As shown, the resource allocation apparatus 500 includes an interaction unit 501 , a receiving unit 502 , and an allocation unit 503 .

[0090] In this embodiment, the interaction unit 501 interacts with other upper-level base stations to obtain resource and / or interference-related information of the other upper-level base stations; the receiving unit 502 receives at least information to obtain information related to resources and / or interference of the upper-level base station; the allocation unit 503 is based on the obtained information related to resources and / or interference of the other upper-level base stations and the upper-level Information relate...

Embodiment 3

[0096] An embodiment of the present invention also provides a communication system, and the same content as in Embodiments 1 and 2 will not be repeated here. The communication system of the embodiment of the present invention includes at least:

[0097] A cell of an upper-level base station, where the upper-level base station allocates resources for one or more small cell clusters served by the upper-level base station; and

[0098] One or more small cell clusters, each of the small cell clusters includes at least one small cell and / or at least one lower-level small cell cluster, and the small cell clusters communicate according to the resources allocated by the upper-level base station , wherein the coverage of the small cell cluster overlaps with the coverage of at least one upper-level base station.

[0099] In this embodiment, the upper-level base station may, based on the obtained resource and / or interference-related information of other upper-level base stations and the...

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Abstract

Embodiments of the present invention provide a resource allocation method, device, and communication system for a small cell cluster. The resource allocation method includes: the upper-level base station interacts with other upper-level base stations to obtain the information of the other upper-level base stations. Resource and / or interference-related information; the upper-level base station receives information at least from the cluster head of the small cell cluster, so as to obtain resource and / or interference-related information of the upper-level base station; the upper-level base station The upper-level base station allocates resources for the small cell cluster based on the obtained resource and / or interference-related information of the other upper-level base station and the resource and / or interference-related information of the upper-level base station. According to this embodiment, effective interference coordination can be performed on the small cell cluster at the edge of the upper-level base station, thereby reducing the interference received by the small cell cluster, and the scalability of the network is improved.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a resource allocation device, a resource allocation method, and a communication system for a small cell cluster. Background technique [0002] Ultra-Dense Networks (Ultra-Dense Networks, UDN) can allow more spectrum reuse (spectrum reuse) to obtain higher communication capacity, so it is regarded as one of the key technologies for future wireless communication systems. [0003] In an ultra-dense network, multiple small cells can be configured in a cellular network to increase communication capacity. In each small cell, signals can be transmitted between a small cell base station (small cell station) and user equipment (user equipment) that are relatively close to each other. Due to the high density of small cells, the small cells will cause harmful interference to other user equipments in the frequency spectrum. Especially, when the small cell is located a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04J11/00H04W72/04H04W72/08H04W28/16H04W72/54
CPCH04J11/0026H04W16/18H04W28/16H04W72/27H04W72/52H04W72/541H04W16/32H04W16/10H04J11/0056H04W16/12
Inventor 杨阳R·麦肯齐郝墨
Owner BRITISH TELECOMM PLC