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Method for performing cell search procedure and user equipment for performing search procedure on basis of search signal in wireless communication system

A signal and secondary cell technology, which is applied in wireless communication, multiplexing communication, pilot signal allocation, etc., and can solve problems such as large interference in small cells

Active Publication Date: 2016-08-24
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, since a plurality of small cells are set up in the same channel close to each other in the small cell environment described above, interference between small cells may have a greater problem than that of macro cells

Method used

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  • Method for performing cell search procedure and user equipment for performing search procedure on basis of search signal in wireless communication system
  • Method for performing cell search procedure and user equipment for performing search procedure on basis of search signal in wireless communication system
  • Method for performing cell search procedure and user equipment for performing search procedure on basis of search signal in wireless communication system

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Embodiment Construction

[0046] Hereinafter, the present invention will be applied based on 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) or 3GPP LTE-Advanced (LTE-A). This is just an example, and the present invention can be applied to various wireless communication systems. Hereinafter, LTE includes LTE and / or LTE-A.

[0047] The technical terms used herein are only used to describe specific embodiments, and should not be construed as limiting the present invention. In addition, unless otherwise defined, technical terms used herein should be interpreted as having meanings commonly understood by those skilled in the art, and should not be interpreted too broadly or too narrowly. In addition, technical terms used herein that are determined not to express the spirit of the present invention exactly should be replaced or understood by technical terms that can be accurately understood by those skilled in the art. In addition, general terms used herein should be interpreted in cont...

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Abstract

A disclosure of the present specification provides a method for performing a cell search procedure or a cell discovery procedure in which a discovery signal is transmitted to a resource element determined in consideration of interference between adjacent cells. The method comprises the steps of: receiving a discovery signal generated by a particular small cell; and searching for the particular small cell on the basis of the discovery signal, wherein the position of the resource element to which the discovery signal is transmitted may be changed according to time.

Description

technical field [0001] The present invention relates to wireless communications. Background technique [0002] 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE), which evolved from Universal Mobile Telecommunications System (UMTS), was introduced as 3GPP Release-8. 3GPP LTE uses Orthogonal Frequency Division Multiple Access (OFDMA) in the downlink and Single Carrier Frequency Division Multiple Access (SC-FDMA) in the uplink. 3GPP LTE employs multiple-input multiple-output (MIMO) with up to four antennas. In recent years, discussions on 3GPP LTE-Advanced (LTE-A) evolved from 3GPP LTE have been ongoing. [0003] 3GPP LTE / LTE-A may divide the physical channels into into downlink channels (i.e., Physical Downlink Shared Channel (PDSCH) and Physical Downlink Control Channel (PDCCH)) and uplink channels (i.e., Physical Uplink Shared Channel (PUSCH) and Physical Uplink Control Channel (PUCCH)). [0004] Furthermore, in recent years, an environment for establi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J11/00
CPCH04J11/0056H04J11/0093H04J2211/001H04L5/001H04L5/0032H04L5/005H04J11/0073H04W48/16H04W72/0446
Inventor 柳向善李润贞安俊基朴钟贤黄大成
Owner LG ELECTRONICS INC
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