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Method and apparatus for performing communication in multi-stage beam forming system

A technology for performing communications and beams, applied in diversity/multi-antenna systems, wireless communications, transmission systems, etc., and can solve problems such as not considering multi-level beamforming environments

Active Publication Date: 2015-12-16
SAMSUNG ELECTRONICS CO LTD +1
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  • Description
  • Claims
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Problems solved by technology

However, in the conventional technology, since the multi-stage beamforming environment is not considered, the design of the codebook is not associated with the operation of front-end beamforming such as analog beamforming
In particular, there is a problem that conventional techniques cannot provide codebook adaptive design applying beamforming operating conditions

Method used

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  • Method and apparatus for performing communication in multi-stage beam forming system
  • Method and apparatus for performing communication in multi-stage beam forming system
  • Method and apparatus for performing communication in multi-stage beam forming system

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Embodiment Construction

[0029] discussed below Figure 1 to Figure 10 And the various embodiments used to describe the principles of the disclosure in this patent document are illustrative only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged telecommunications technology. Hereinafter, preferred embodiments of the present disclosure will be described with reference to the accompanying drawings. Also, in the following description of the present disclosure, when describing in detail known functions and configurations included herein may rather obscure the subject matter of the present disclosure, such detailed description will be omitted. Terms to be described below are terms defined in consideration of functions in the present disclosure, and may vary depending on a user, user's intention, or custom. Therefore, it is necessary to determine the...

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Abstract

A method for performing communication in a multi-stage beam forming system includes determining statistical channel information which indicates a priority of analog beams transmitted by a base station, configuring an adaptive code book for digital beam forming, based on the statistical channel information and analog beams which the base station uses in actual communication among the analog beams, and performing communication with the base station through the digital beam forming based on the adaptive code book.

Description

technical field [0001] The present disclosure relates to signal transmission and reception in a wireless communication system, and more particularly, to methods and apparatuses for transmitting and receiving radio signals in a multi-stage beamforming system. Background technique [0002] A cellular wireless communication system may be configured as a multi-stage beamforming system such as a wavelength division multiple access (BDMA) system. For example, multi-level beamforming may include digital beamforming and analog beamforming using directional antennas. In a typical communication environment, analog beamforming operates before digital beamforming, and thus the state of a channel in which digital beamforming is performed is affected by analog beamforming performed before digital beamforming. Therefore, in digital beamforming, it is necessary to consider the design and operating conditions of analog beamforming as a front end of digital beamforming. [0003] As in typic...

Claims

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Application Information

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IPC IPC(8): H04B7/04H04W16/28
CPCH04B7/0482H04B7/0626H04L25/03898H04B7/0617H04B7/0632H04B7/0639H04L25/0204
Inventor 朴廷镐李勇勋金玟贤金盛振薛志允黄义泰
Owner SAMSUNG ELECTRONICS CO LTD
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