WO2012046998A3 - Appareil de transmission et procédé de communication pour celui-ci, et appareil de réception et procédé de communication pour celui-ci - Google Patents
Appareil de transmission et procédé de communication pour celui-ci, et appareil de réception et procédé de communication pour celui-ci Download PDFInfo
- Publication number
- WO2012046998A3 WO2012046998A3 PCT/KR2011/007328 KR2011007328W WO2012046998A3 WO 2012046998 A3 WO2012046998 A3 WO 2012046998A3 KR 2011007328 W KR2011007328 W KR 2011007328W WO 2012046998 A3 WO2012046998 A3 WO 2012046998A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- forming vector
- combination
- forming
- selection vectors
- vectors
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
-
- 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
- H04B7/0613—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
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- 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
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using 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
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Selon certains modes de réalisation, la présente invention porte sur un système de communication sans fil, plus particulièrement sur un système de communication sans fil qui utilise des antennes multi-entrées multi-sorties (MIMO) sur à la fois l'extrémité de transmission et l'extrémité de réception.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100098513A KR20120036698A (ko) | 2010-10-08 | 2010-10-08 | 송신장치 및 그 통신방법, 수신장치, 그 통신방법 |
KR10-2010-0098513 | 2010-10-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012046998A2 WO2012046998A2 (fr) | 2012-04-12 |
WO2012046998A3 true WO2012046998A3 (fr) | 2012-05-31 |
Family
ID=45928206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/007328 WO2012046998A2 (fr) | 2010-10-08 | 2011-10-04 | Appareil de transmission et procédé de communication pour celui-ci, et appareil de réception et procédé de communication pour celui-ci |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR20120036698A (fr) |
WO (1) | WO2012046998A2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102182168B1 (ko) * | 2013-05-07 | 2020-11-24 | 엘지전자 주식회사 | 무선 통신 시스템에서 3 차원 빔포밍을 위한 채널 상태 정보 보고 방법 및 이를 위한 장치 |
WO2017014609A1 (fr) * | 2015-07-23 | 2017-01-26 | 엘지전자(주) | Procédé d'émission et de réception de signal à base de livre de codes dans un système de communication sans fil à antennes multiples et appareil associé |
WO2017014611A1 (fr) * | 2015-07-23 | 2017-01-26 | 엘지전자(주) | Procédé d'émission et de réception de signal à base de livre de codes dans un système de communication sans fil à antennes multiples et appareil associé |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080170523A1 (en) * | 2007-01-12 | 2008-07-17 | Samsung Electronics Co., Ltd. | Method and apparatus for feedback information transmitting/receiving in mobile telecommunication using multiple input multiple output |
US20090046569A1 (en) * | 2007-08-14 | 2009-02-19 | Texas Instruments Incorporated | Precoding matrix feedback processes, circuits and systems |
WO2009096708A1 (fr) * | 2008-01-30 | 2009-08-06 | Lg Electronics Inc. | Procédé de transmission d'informations de précodage dans un système à plusieurs antennes |
US20100002598A1 (en) * | 2008-07-02 | 2010-01-07 | Interdigital Patent Holdings, Inc. | Method and apparatus for measuring and reporting a rank and a precoding matrix for multiple-input multiple-output communication |
-
2010
- 2010-10-08 KR KR1020100098513A patent/KR20120036698A/ko not_active Application Discontinuation
-
2011
- 2011-10-04 WO PCT/KR2011/007328 patent/WO2012046998A2/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080170523A1 (en) * | 2007-01-12 | 2008-07-17 | Samsung Electronics Co., Ltd. | Method and apparatus for feedback information transmitting/receiving in mobile telecommunication using multiple input multiple output |
US20090046569A1 (en) * | 2007-08-14 | 2009-02-19 | Texas Instruments Incorporated | Precoding matrix feedback processes, circuits and systems |
WO2009096708A1 (fr) * | 2008-01-30 | 2009-08-06 | Lg Electronics Inc. | Procédé de transmission d'informations de précodage dans un système à plusieurs antennes |
US20100002598A1 (en) * | 2008-07-02 | 2010-01-07 | Interdigital Patent Holdings, Inc. | Method and apparatus for measuring and reporting a rank and a precoding matrix for multiple-input multiple-output communication |
Also Published As
Publication number | Publication date |
---|---|
WO2012046998A2 (fr) | 2012-04-12 |
KR20120036698A (ko) | 2012-04-18 |
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