WO2012036481A3 - 다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법 - Google Patents
다중 안테나와 빔 포밍을 이용한 데이터 전송장치 및 방법 Download PDFInfo
- 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
Links
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
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- 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
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- 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.
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
ID=45832110
Family Applications (1)
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) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US9825687B2 (en) * | 2013-11-08 | 2017-11-21 | 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 |
CN107155402B (zh) * | 2015-04-10 | 2020-09-25 | 华为技术有限公司 | 数据传输的方法和设备 |
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 |
Citations (3)
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KR20070113967A (ko) * | 2006-05-26 | 2007-11-29 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
KR20100013263A (ko) * | 2008-07-30 | 2010-02-09 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
KR20100024339A (ko) * | 2008-08-25 | 2010-03-05 | 엘지전자 주식회사 | 다중안테나를 갖는 무선 통신 시스템에서 피드백 정보 전송 방법, 데이터 전송 방법 및 데이터 전송 장치 |
Family Cites Families (10)
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US6950678B1 (en) * | 2000-05-24 | 2005-09-27 | Lucent Technologies Inc. | Control technique for a communication system |
JP4178501B2 (ja) * | 2002-05-21 | 2008-11-12 | 日本電気株式会社 | アンテナ送受信システム |
TWI343200B (en) * | 2006-05-26 | 2011-06-01 | Lg Electronics Inc | Method and apparatus for signal generation using phase-shift based pre-coding |
EP2070157B1 (en) * | 2006-08-25 | 2017-10-25 | Tyco Electronics Services GmbH | Antennas based on metamaterial structures |
US8325852B2 (en) * | 2007-06-08 | 2012-12-04 | Samsung Electronics Co., Ltd. | CDD precoding for open loop SU MIMO |
US8270375B2 (en) * | 2007-06-28 | 2012-09-18 | Elektrobit Wireless Communications Oy | Apparatus of multi-antenna telecommunication system |
US7797816B2 (en) * | 2008-02-21 | 2010-09-21 | Agence Spatiale Europeenne | Method of designing and manufacturing an array antenna |
WO2009107601A1 (ja) * | 2008-02-29 | 2009-09-03 | オムロン株式会社 | アレーアンテナ、タグ通信装置、タグ通信システム及びアレーアンテナのビーム制御方法 |
KR20100013251A (ko) * | 2008-07-30 | 2010-02-09 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
US9000996B2 (en) * | 2009-08-03 | 2015-04-07 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Modular wideband antenna array |
-
2010
- 2010-09-17 KR KR1020100092125A patent/KR20120030200A/ko not_active Application Discontinuation
-
2011
- 2011-09-15 WO PCT/KR2011/006809 patent/WO2012036481A2/ko active Application Filing
- 2011-09-15 US US13/824,177 patent/US8867655B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070113967A (ko) * | 2006-05-26 | 2007-11-29 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
KR20100013263A (ko) * | 2008-07-30 | 2010-02-09 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
KR20100024339A (ko) * | 2008-08-25 | 2010-03-05 | 엘지전자 주식회사 | 다중안테나를 갖는 무선 통신 시스템에서 피드백 정보 전송 방법, 데이터 전송 방법 및 데이터 전송 장치 |
Also Published As
Publication number | Publication date |
---|---|
US20130177102A1 (en) | 2013-07-11 |
WO2012036481A2 (ko) | 2012-03-22 |
US8867655B2 (en) | 2014-10-21 |
KR20120030200A (ko) | 2012-03-28 |
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