WO2012036481A3 - 다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법 - Google Patents

다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법 Download PDF

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Publication number
WO2012036481A3
WO2012036481A3 PCT/KR2011/006809 KR2011006809W WO2012036481A3 WO 2012036481 A3 WO2012036481 A3 WO 2012036481A3 KR 2011006809 W KR2011006809 W KR 2011006809W WO 2012036481 A3 WO2012036481 A3 WO 2012036481A3
Authority
WO
WIPO (PCT)
Prior art keywords
beamforming
transmitting data
multiple antennas
transmitting
preventing
Prior art date
Application number
PCT/KR2011/006809
Other languages
English (en)
French (fr)
Other versions
WO2012036481A2 (ko
Inventor
박경민
Original Assignee
주식회사 팬택
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 팬택 filed Critical 주식회사 팬택
Priority to US13/824,177 priority Critical patent/US8867655B2/en
Publication of WO2012036481A2 publication Critical patent/WO2012036481A2/ko
Publication of WO2012036481A3 publication Critical patent/WO2012036481A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법을 제공한다. 이러한 본 발명은 입력비트를 성상맵핑하여 변조심벌을 생성하는 변조부, 상기 변조심벌에 프리코딩 행렬을 곱하여 프리코딩된 심벌을 생성하는 프리코딩부, 및 상기 프리코딩된 심벌을 전송하는 복수의 송신 안테나를 개시한다. 방사각에 관계없이 일정한 빔 폭을 지원하여 각도퍼짐에 의한 전력손실을 막고, 큰 방사각에서의 음영지역 발생을 해결할 수 있다.
PCT/KR2011/006809 2010-09-17 2011-09-15 다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법 WO2012036481A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/824,177 US8867655B2 (en) 2010-09-17 2011-09-15 Apparatus and method for transmitting data using multiple antennas and beamforming

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100092125A KR20120030200A (ko) 2010-09-17 2010-09-17 다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법
KR10-2010-0092125 2010-09-17

Publications (2)

Publication Number Publication Date
WO2012036481A2 WO2012036481A2 (ko) 2012-03-22
WO2012036481A3 true WO2012036481A3 (ko) 2012-05-31

Family

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Application Number Title Priority Date Filing Date
PCT/KR2011/006809 WO2012036481A2 (ko) 2010-09-17 2011-09-15 다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법

Country Status (3)

Country Link
US (1) US8867655B2 (ko)
KR (1) KR20120030200A (ko)
WO (1) WO2012036481A2 (ko)

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KR101337172B1 (ko) * 2012-07-06 2013-12-05 한국과학기술원 재구성 안테나, 재구성 안테나의 통신 방법, 재구성 안테나를 이용한 통신 방법 및 그 통신 시스템
CN103107835B (zh) * 2013-01-23 2015-09-09 华为技术有限公司 功率控制方法及装置、波束成型设备
KR101389117B1 (ko) 2013-05-31 2014-04-29 한국과학기술원 비가시거리 조건에서 밀리미터파 또는 테라헤르츠파를 수신하는 디스플레이 장치 및 그의 디스플레이 방법
WO2015068919A1 (en) * 2013-11-08 2015-05-14 Lg Electronics Inc. Pre-compensation of the phase shifting error
KR101594461B1 (ko) * 2014-07-30 2016-02-17 경북대학교 산학협력단 타이트 프레임 기반 프리코더를 이용한 다중안테나 통신시스템
EP3282616B1 (en) * 2015-04-10 2019-10-30 Huawei Technologies Co., Ltd. Data transmission method and device
US20170086080A1 (en) * 2015-09-18 2017-03-23 Huawei Technologies Co., Ltd. System and Method for Fast Beamforming Setup
WO2017069674A1 (en) * 2015-10-23 2017-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic precoding of shared reference signals
US10743272B2 (en) * 2016-02-16 2020-08-11 Cable Television Laboratories, Inc. Coordinated beamforming
US10893542B2 (en) 2016-02-22 2021-01-12 Korea Advanced Institute Of Science And Technology Random access method in BDMA system and random access method in pattern/polarized BDMA system
US10122559B2 (en) * 2016-03-21 2018-11-06 Qualcomm Incorporated Uplink channel quality measurement using a subframe with high-intensity reference signal bursts
US11356863B1 (en) 2020-12-10 2022-06-07 T-Mobile Innovations Llc Dynamic antenna beam management

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Also Published As

Publication number Publication date
US8867655B2 (en) 2014-10-21
KR20120030200A (ko) 2012-03-28
WO2012036481A2 (ko) 2012-03-22
US20130177102A1 (en) 2013-07-11

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