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Method for allocating resources in homogeneous network

A resource block and resource allocation technology, applied in network planning, electrical components, wireless communication, etc., can solve problems such as waste of resource blocks, inability to fully use resources, and affect system performance

Active Publication Date: 2015-04-15
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it must be taken into account that unlike macro base stations, the bandwidth resources of small cell systems are more precious. On the one hand, the overall system bandwidth is small, and on the other hand, the typical applications here are often high-speed data services that require larger bandwidth.
Therefore, dividing some frequency bands of the entire frequency band into orthogonal parts through FFR technology will make the frequency efficiency of the entire system too low, and a large number of precious resource blocks will be wasted, thus affecting the performance of the entire system
In other words, the multiplexing granularity of FFR is too large, so that resources cannot be fully used
In addition, in extreme cases, the inter-cell interference received by a small cell is so severe that it interferes with the use of the physical downlink control channel (PDCCH) of the cell. In this case, FFR will no longer apply

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  • Method for allocating resources in homogeneous network
  • Method for allocating resources in homogeneous network
  • Method for allocating resources in homogeneous network

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Embodiment Construction

[0026] In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments in accordance with the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.

[0027]First, a typical scenario applicable to the present invention is briefly described. In this typical scenario, a homogeneous network is composed of multiple base stations, including but not limited to small cell clusters deployed in high density. Each base station in the network is connected to the same cen...

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Abstract

Provided is a method for allocating resources in a base station of a wireless communication system. The wireless communication system comprises a centralized control device and at least one base station. The method comprises the following steps: the base station receives a first message sent by the centralized control device, wherein the first message at least contains information used for indicating the base station to configure an inter-cell interference coordination mode (including information indicating that part of sub frames belongs to an inter-cell interference coordination sub frame), information used for indicating the base station to configure a fractional frequency reuse mode on the inter-cell interference coordination sub frame (including information indicating that part of resource blocks on the frequency band of the inter-cell interference coordination sub frame belongs to an orthogonal part), and information used for indicating the base station to activate the moment of time of the configuration; the base station configures the inter-cell interference coordination mode and the fractional frequency reuse mode according to the first message; and the base station activates the configuration according to the moment of time indicated by the first message.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to the technical field of wireless communication. Background technique [0002] In the field of wireless communication, the problem of inter-cell interference has always been a hot research direction in recent years. As a result, people have proposed a variety of corresponding suppression technologies for co-channel (co-channel) interference. [0003] For example, with the increasingly widespread application of heterogeneous network structures, in order to solve the problem of inter-cell interference caused by high-power macro cells to low-power micro cells, the proposed Enhanced Inter-Cell Interference Coordination (eICIC) Technology is a typical representative. The eICIC technology performs cooperative transmission of multiple base stations through signaling interaction between adjacent base stations, and uses the method of configuring inter-cell interference coord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/20H04W72/04H04W16/02
Inventor 王栋耀蒋琦王钧庞继勇刘建国沈钢P·塞耶尔
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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