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Method for reporting channel state information, method for supporting same, and apparatus for said methods

A technology of state information and user equipment, applied in the directions of transmission path sub-channel allocation, signaling allocation, pilot signal allocation, etc., can solve the problem of reducing the transmission area, improve utilization efficiency, reduce processing load or complexity Effect

Inactive Publication Date: 2014-10-15
LG ELECTRONICS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since a multi-node system transmits signals using dispersed nodes, the transmission area covered by each antenna is reduced compared to antennas included in a conventional centralized antenna system

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  • Method for reporting channel state information, method for supporting same, and apparatus for said methods
  • Method for reporting channel state information, method for supporting same, and apparatus for said methods
  • Method for reporting channel state information, method for supporting same, and apparatus for said methods

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Embodiment Construction

[0047] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. The drawings illustrate exemplary embodiments of the invention and provide a more detailed description of the invention. However, the scope of the present invention should not be limited thereto.

[0048] In addition, the techniques, devices, and systems described below can be applied to various wireless multiple access systems. For convenience of description, it is assumed that the present invention is applied to 3GPP LTE(-A). However, it will be understood that the technical features of the present invention are limited to 3GPP LTE(-A). For example, although the following description will be made based on a mobile communication system corresponding to the 3GPP LTE(-A) system, the following description is also applicable to other random mobile communication systems in addition to the content specific to 3GPP LTE(-A).

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Abstract

According to one embodiment of the present invention, the method for receiving a channel state information (CSI)-reference signal (RS) from a wireless communication system by a user device comprises the steps of: receiving resource configuration information on the CSI-RS; and receiving the CSI-RS on the basis of the resource configuration information on the CSI-RS, wherein the resource configuration information on the CSI-RS includes information on a cell specific-RS (CRS) related to the CSI-RS, and the user device can assume that an antenna port related to information on the CRS and an antenna port used for transmitting CSI-RS corresponding to the resource configuration information on the CSI-RS are quasi co-located.

Description

technical field [0001] The present invention relates to a wireless communication system. In particular, the present invention relates to a method for reporting channel state information, a supporting method thereof, and a device for the method. Background technique [0002] Recently, various devices requiring machine-to-machine (M2M) communication and high data transmission rates, such as smartphones or tablet personal computers (PCs), have emerged and are widely used. This dramatically increases the amount of data that needs to be processed in cellular networks. In order to meet such rapidly increasing data throughput, recently, carrier aggregation (CA) technology that effectively utilizes more frequency bands, cognitive radio technology, multi-antenna (MIMO) technology for increasing data capacity in limited frequencies, multiple Base station cooperation technology and so on have received attention. Additionally, communication environments have evolved such that the den...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26
CPCH04L5/0094H04L5/0014H04L5/005H04B7/024H04B7/0626H04L5/0053H04B7/2621
Inventor 朴钟贤孙一洙金沂濬徐翰瞥
Owner LG ELECTRONICS INC
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