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Method for transmitting precoded signal in collaborative multiple-input multiple-output communication system

A communication system, multi-output technology, applied in the transmission system, radio transmission system, diversity/multi-antenna system, etc., to achieve the effect of reducing interference

Inactive Publication Date: 2013-04-24
LG ELECTRONICS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In general, the maximum achievable spatial multiplexing rate is limited to the small value of the number of transmit antennas and the number of receive antennas

Method used

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  • Method for transmitting precoded signal in collaborative multiple-input multiple-output communication system
  • Method for transmitting precoded signal in collaborative multiple-input multiple-output communication system
  • Method for transmitting precoded signal in collaborative multiple-input multiple-output communication system

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Embodiment Construction

[0037] Reference will now be made in detail to the exemplary embodiments of the 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 those skilled in the art that the present invention may be practiced without such specific details. For example, the following description will be given centering on specific terms, however, the present invention is not limited thereto, and any other terms may be used to represent the same meaning.

[0038] In some cases, the important features of structures and / or devices are focused, and known structures...

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Abstract

A method for transmitting a precoded signal in a collaborative multiple-input multiple-output (MIMO) communication system is described. A method for receiving a precoded signal in a MIMO communication system includes estimating, by a mobile station, channels for one or more base stations through signals received from the one or more base stations including a serving base station, transmitting precoding matrix indexes of the one or more base stations determined based on the estimated channels to the serving base station, and receiving signals precoded by the one or more base stations based on the precoding matrix index.

Description

technical field [0001] The present invention relates to a cooperative multiple-input multiple-output (MIMO) communication system, and in particular to a method for transmitting precoded signals in a cooperative MIMO communication system. Background technique [0002] With the spread of information communication services, the emergence of various multimedia services, and the provision of high-quality services, the demand for wireless communication services is rapidly increasing. 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 improve communication capacity in a wireless communication environment, a method for re-searching for an available frequency band and a method for improving efficiency of limited resources may be considered. Regarding the latter method, a Multiple-Input Multiple-Output (MIMO) scheme has recently drawn attention and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/02
CPCH04B7/063H04B7/0456H04B7/0621H04B7/0632H04B7/0617H04B7/024H04B7/0639H04B7/02
Inventor 郑进赫金首南任彬哲金在完
Owner LG ELECTRONICS INC
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