BR112012007086A2 - sistema de x-mimo com transmissores múltiplos e receptores múltiplos - Google Patents
sistema de x-mimo com transmissores múltiplos e receptores múltiplosInfo
- Publication number
- BR112012007086A2 BR112012007086A2 BR112012007086A BR112012007086A BR112012007086A2 BR 112012007086 A2 BR112012007086 A2 BR 112012007086A2 BR 112012007086 A BR112012007086 A BR 112012007086A BR 112012007086 A BR112012007086 A BR 112012007086A BR 112012007086 A2 BR112012007086 A2 BR 112012007086A2
- Authority
- BR
- Brazil
- Prior art keywords
- data streams
- node
- receive filter
- receiving
- receiver node
- 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
-
- 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- 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
- H04B7/14—Relay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
Abstract
sistenas de x-mimo com transmissores múltiplos e receptores múltiplos. um método e um aparelho para a transmissão e o recebimento de uma transmissão sem fio de uma pluralidade de fluxos de dados em um sistema de comunicação sem fio tendo uma pluralidade de nós são mostrados. cada nó tem múltiplas antenas. o método envolve o recebimento de primeiro e segundo fluxos de dados a partri de respectivos primeiro e segundo nós em um nó de receptor, fazer com que o nó de receptor gere um filtro de recebimento para decodificação de cada um dos fluxos de dados recebidos, e fazer com que o nó de receptor transmita a informação de filtro de recebimento para cada um dos primeiro e segundo fluxos de dados, a informação de filtro de recebimento facilitando uma pré-codificação dos primeiro e segundo fluxos de dados para transmissão simultânea em uma banda de frequência comum para o nó de receptor.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24533909P | 2009-09-24 | 2009-09-24 | |
PCT/CA2010/001529 WO2011035439A1 (en) | 2009-09-24 | 2010-09-24 | X-mimo systems with multi-transmitters and multi- receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112012007086A2 true BR112012007086A2 (pt) | 2019-09-24 |
Family
ID=43795264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012007086A BR112012007086A2 (pt) | 2009-09-24 | 2010-09-24 | sistema de x-mimo com transmissores múltiplos e receptores múltiplos |
Country Status (9)
Country | Link |
---|---|
EP (2) | EP3793094A1 (pt) |
JP (1) | JP2013506319A (pt) |
KR (1) | KR20120086296A (pt) |
CN (1) | CN102812737B (pt) |
BR (1) | BR112012007086A2 (pt) |
CA (1) | CA2775002A1 (pt) |
IN (1) | IN2012DN02386A (pt) |
RU (1) | RU2012116213A (pt) |
WO (1) | WO2011035439A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220393841A1 (en) * | 2021-06-03 | 2022-12-08 | Mediatek Inc. | Downlink framework for distributed mimo receivers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7197084B2 (en) * | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
US8208364B2 (en) * | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
CN101288244B (zh) * | 2005-10-17 | 2014-03-12 | 三星电子株式会社 | 在多用户多天线通信系统中发送/接收数据的方法 |
US8077686B2 (en) * | 2007-07-20 | 2011-12-13 | Marvell World Trade Ltd. | Multiple packet data network support over trusted access |
US8064823B2 (en) * | 2007-11-30 | 2011-11-22 | Nokia Corporation | Apparatus, method and computer program product for determining transmit weights in relay networks |
KR101387532B1 (ko) * | 2007-12-26 | 2014-04-21 | 엘지전자 주식회사 | 협력적 mimo 수행을 위한 피드백 정보 전송방법 |
KR100995045B1 (ko) * | 2007-12-31 | 2010-11-19 | 엘지전자 주식회사 | 협동 다중 입출력 통신 시스템에서, 프리코딩된 신호를송신하는 방법 |
-
2010
- 2010-09-24 RU RU2012116213/08A patent/RU2012116213A/ru not_active Application Discontinuation
- 2010-09-24 CN CN201080052990.3A patent/CN102812737B/zh active Active
- 2010-09-24 BR BR112012007086A patent/BR112012007086A2/pt not_active IP Right Cessation
- 2010-09-24 JP JP2012530062A patent/JP2013506319A/ja active Pending
- 2010-09-24 EP EP20182637.7A patent/EP3793094A1/en not_active Withdrawn
- 2010-09-24 IN IN2386DEN2012 patent/IN2012DN02386A/en unknown
- 2010-09-24 CA CA2775002A patent/CA2775002A1/en not_active Abandoned
- 2010-09-24 KR KR1020127010462A patent/KR20120086296A/ko active Search and Examination
- 2010-09-24 WO PCT/CA2010/001529 patent/WO2011035439A1/en active Application Filing
- 2010-09-24 EP EP10818207.2A patent/EP2481234A4/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP3793094A1 (en) | 2021-03-17 |
WO2011035439A1 (en) | 2011-03-31 |
KR20120086296A (ko) | 2012-08-02 |
CN102812737A (zh) | 2012-12-05 |
EP2481234A4 (en) | 2016-06-01 |
CA2775002A1 (en) | 2011-03-31 |
JP2013506319A (ja) | 2013-02-21 |
RU2012116213A (ru) | 2013-11-10 |
IN2012DN02386A (pt) | 2015-08-21 |
WO2011035439A8 (en) | 2012-04-12 |
EP2481234A1 (en) | 2012-08-01 |
CN102812737B (zh) | 2016-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application fees: dismissal - article 86 of industrial property law | ||
B08K | Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87) |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |