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Method for reducing inter-cell interference

An inter-cell interference and multi-cell technology is applied in the field of communication systems in a multi-cell environment to achieve the effects of reducing interference, eliminating inter-cell interference and improving reception performance.

Inactive Publication Date: 2010-12-08
LG ELECTRONICS INC
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

In general, the spatial multiplexing rate that can be maximized is limited to the smaller value of the number of transmit antennas and the number of receive antennas

Method used

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  • Method for reducing inter-cell interference
  • Method for reducing inter-cell interference
  • Method for reducing inter-cell interference

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Embodiment Construction

[0051] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The detailed description, which will be given below with reference to the accompanying drawings, is intended to explain exemplary embodiments of the present invention, rather than to show the only embodiments that can be implemented according to the present invention. The following detailed description includes specific details in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without such specific details. For example, the following description will be given focusing on specific terms, but the present invention is not limited thereto, and any other terms may be used to represent the same meaning.

[0052] In some instances, well-known structures and / or devices are omitted or shown in block diagram and / or...

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Abstract

A method for reducing inter-cell interference and a method for transmitting a signal by a collaborative MIMO scheme, in a communication system having a multi-cell environment are disclosed. An example of a method for transmitting, by a mobile station, precoding information in a collaborative MIMO communication system includes determining a precoding matrix set including precoding matrices of one more base stations including a serving base station, based on signal strength of the serving base station, and transmitting information about the precoding matrix set to the serving base station. A mobile station in an edge of a cell performs a collaborative MIMO mode or inter-cell interference mitigation mode using the information about the precoding matrix set collaboratively with neighboring base stations.

Description

technical field [0001] The present invention relates to a communication system in a multi-cell environment, and more particularly, to a method for reducing inter-cell interference in a multi-cell environment and a method for transmitting and receiving signals through a cooperative multiple-input multiple-output (MIMO) scheme . Background technique [0002] With the spread of information communication services, the emergence of various multimedia services, and the provision of high-quality services, demands for wireless communication services have rapidly increased. In order to actively cope with such demands, the capacity of the communication system should be increased and the reliability of data transmission should be improved. [0003] In order to increase communication capacity in a wireless communication environment, a method for newly searching an available frequency band and a method for increasing efficiency to limited resources can be considered. Regarding the latt...

Claims

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Application Information

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IPC IPC(8): H04B7/26
CPCH04B7/0417H04B7/026H04B17/005H04L1/0026H04L25/03904H04W24/02H04B7/0452H04B7/0495H04B7/0639H04B7/0634H04B17/345H04B7/024H04B7/0413H04B7/0626H04B7/0632H04B7/0456H04W72/02
Inventor 林东局金首南任彬哲金在完李旭峰
Owner LG ELECTRONICS INC
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