BRPI0606203A2 - diversidade de padrões para suportar um sistema de comunicações mimo e métodos associados - Google Patents
diversidade de padrões para suportar um sistema de comunicações mimo e métodos associadosInfo
- Publication number
- BRPI0606203A2 BRPI0606203A2 BRPI0606203-2A BRPI0606203A BRPI0606203A2 BR PI0606203 A2 BRPI0606203 A2 BR PI0606203A2 BR PI0606203 A BRPI0606203 A BR PI0606203A BR PI0606203 A2 BRPI0606203 A2 BR PI0606203A2
- Authority
- BR
- Brazil
- Prior art keywords
- diversity
- standards
- support
- communications system
- associated methods
- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Diversidade de padrões para suportar um sistema de comunicações mimo e métodos associados. Um sistema de comunicações de MIMO inclui um transmissor, e um receptor sincronizado com o transmissor. O transmissor muda os níveis de potência para cada curso de camada de dados do espaço em uma base determinada de tempo. Os cursos de dados chegam ao receptor com vários níveis de potência, que fornecem diferenças apropriadas nos sinais recebidos, para a ocupação de uma matriz de combinação, para o processamento da separação do sinal.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64294105P | 2005-01-11 | 2005-01-11 | |
US11/232,610 US7116271B2 (en) | 2004-09-23 | 2005-09-22 | Blind signal separation using spreading codes |
US11/326,539 US7265714B2 (en) | 2004-09-23 | 2006-01-05 | Pattern diversity to support a MIMO communications system and associated methods |
PCT/US2006/000743 WO2006076322A2 (en) | 2005-01-11 | 2006-01-06 | Pattern diversity to support a mimo communications system and associated methods |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0606203A2 true BRPI0606203A2 (pt) | 2009-06-02 |
Family
ID=36678122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0606203-2A BRPI0606203A2 (pt) | 2005-01-11 | 2006-01-06 | diversidade de padrões para suportar um sistema de comunicações mimo e métodos associados |
Country Status (12)
Country | Link |
---|---|
US (1) | US7265714B2 (pt) |
EP (1) | EP1839068B1 (pt) |
JP (1) | JP4677457B2 (pt) |
KR (1) | KR100904470B1 (pt) |
CN (1) | CN101385249B (pt) |
BR (1) | BRPI0606203A2 (pt) |
CA (1) | CA2593821C (pt) |
HK (1) | HK1129501A1 (pt) |
MX (1) | MX2007008138A (pt) |
NO (1) | NO20074083L (pt) |
TW (1) | TWI285033B (pt) |
WO (1) | WO2006076322A2 (pt) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3799030B2 (ja) * | 2003-05-09 | 2006-07-19 | 松下電器産業株式会社 | Cdma送信装置およびcdma送信方法 |
WO2004114561A1 (ja) * | 2003-06-18 | 2004-12-29 | Nippon Telegraph And Telephone Corporation | 無線パケット通信方法および無線パケット通信装置 |
US7809020B2 (en) * | 2003-10-31 | 2010-10-05 | Cisco Technology, Inc. | Start of packet detection for multiple receiver combining and multiple input multiple output radio receivers |
US7480234B1 (en) | 2003-10-31 | 2009-01-20 | Cisco Technology, Inc. | Initial timing estimation in a wireless network receiver |
US7627052B2 (en) * | 2004-09-23 | 2009-12-01 | Interdigital Technology Corporation | Pattern diversity to support a MIMO receiver and associated methods |
US7362269B2 (en) * | 2004-09-23 | 2008-04-22 | Interdigital Technology Corporation | Undulating transmit patterns to support signal separation at a receiver |
US7683834B2 (en) * | 2004-09-23 | 2010-03-23 | Interdigital Technology Corporation | Undulating transmit patterns for multiple simultaneous transmitters to support signal separation at a receiver |
CN101099322B (zh) * | 2005-01-18 | 2012-08-22 | 富士通株式会社 | Ofdm-cdma通信系统的发送方法及发送装置 |
JP2007110456A (ja) * | 2005-10-14 | 2007-04-26 | Hitachi Ltd | 無線通信装置 |
KR100922936B1 (ko) * | 2006-02-07 | 2009-10-22 | 삼성전자주식회사 | 통신 시스템에서 데이터 송수신 방법 및 시스템 |
US7769118B2 (en) * | 2006-02-10 | 2010-08-03 | Interdigital Technolgy Corporation | Method and apparatus for equalizing received signals based on independent component analysis |
US8254865B2 (en) * | 2006-04-07 | 2012-08-28 | Belair Networks | System and method for frequency offsetting of information communicated in MIMO-based wireless networks |
EP2547028A3 (en) | 2006-07-28 | 2013-04-10 | Apple Inc. | Space-time block code communications with co-operative relays |
US8873585B2 (en) | 2006-12-19 | 2014-10-28 | Corning Optical Communications Wireless Ltd | Distributed antenna system for MIMO technologies |
US8928459B2 (en) * | 2007-06-15 | 2015-01-06 | Worcester Polytechnic Institute | Precision location methods and systems |
US9559756B2 (en) * | 2007-08-20 | 2017-01-31 | Ethertronics, Inc. | Antenna system optimized for SISO and MIMO operation |
BRPI0910799A2 (pt) * | 2008-07-08 | 2015-09-29 | Koninkl Philips Electronics Nv | método, método de operar uma pluralidade de unidades de iluminação, e, aparelho |
JP4623327B2 (ja) * | 2008-07-14 | 2011-02-02 | 日本電気株式会社 | 移動通信システム、基地局、干渉除去方法 |
JP2010068305A (ja) * | 2008-09-11 | 2010-03-25 | Nec Corp | 移動通信システム、基地局、干渉除去方法 |
US9379927B2 (en) * | 2008-10-30 | 2016-06-28 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and apparatus to transmit, receive and process signals with narrow bandwith devices |
US8126094B2 (en) * | 2009-01-07 | 2012-02-28 | Skyworks Solutions, Inc. | Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver |
US8611820B2 (en) * | 2009-09-22 | 2013-12-17 | Qualcomm Incorporated | Signal separation for energy harvesting |
US20110069749A1 (en) * | 2009-09-24 | 2011-03-24 | Qualcomm Incorporated | Nonlinear equalizer to correct for memory effects of a transmitter |
US8488499B2 (en) * | 2011-01-04 | 2013-07-16 | General Electric Company | System and method of enhanced quality of service of wireless communication based on redundant signal reception on two or more antenna diversity inputs |
JP2012231426A (ja) * | 2011-04-27 | 2012-11-22 | Sharp Corp | 受信装置、無線通信システム、受信装置の制御プログラムおよび集積回路 |
EP2832012A1 (en) | 2012-03-30 | 2015-02-04 | Corning Optical Communications LLC | Reducing location-dependent interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration, and related components, systems, and methods |
CN105308876B (zh) | 2012-11-29 | 2018-06-22 | 康宁光电通信有限责任公司 | 分布式天线系统中的远程单元天线结合 |
KR20150049947A (ko) * | 2013-10-31 | 2015-05-08 | 삼성전기주식회사 | 적응형 듀얼밴드 미모 와이파이 장치 및 그 동작 방법 |
US9961696B2 (en) * | 2014-07-30 | 2018-05-01 | Qualcomm Incorporated | Spectrum analysis and operation of a dual radio device |
US9525472B2 (en) | 2014-07-30 | 2016-12-20 | Corning Incorporated | Reducing location-dependent destructive interference in distributed antenna systems (DASS) operating in multiple-input, multiple-output (MIMO) configuration, and related components, systems, and methods |
WO2016072206A1 (ja) | 2014-11-05 | 2016-05-12 | 日本電気株式会社 | 通信システム、送信装置および通信方法 |
US9729267B2 (en) | 2014-12-11 | 2017-08-08 | Corning Optical Communications Wireless Ltd | Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting |
US10128560B2 (en) | 2014-12-12 | 2018-11-13 | Ethertronics, Inc. | Hybrid antenna and integrated proximity sensor using a shared conductive structure |
KR101599668B1 (ko) | 2015-03-19 | 2016-03-15 | 서울대학교산학협력단 | 빔 포밍 벡터 제공 시스템, 그 제공 장치, 그 제공 방법, 이를 수행하는 컴퓨터 프로그램 및 이를 기록한 기록매체 |
KR102381437B1 (ko) * | 2017-06-27 | 2022-03-31 | 삼성전자주식회사 | 무선 통신 시스템에서 신호를 디코딩하기 위한 장치 및 방법 |
US11329848B2 (en) * | 2018-06-13 | 2022-05-10 | Cohere Technologies, Inc. | Reciprocal calibration for channel estimation based on second-order statistics |
CN109586763B (zh) * | 2018-11-26 | 2020-09-04 | 肇庆学院 | 一种电子通信系统中扩频信号的去噪方法及其去噪系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6473036B2 (en) | 1998-09-21 | 2002-10-29 | Tantivy Communications, Inc. | Method and apparatus for adapting antenna array to reduce adaptation time while increasing array performance |
US6424960B1 (en) | 1999-10-14 | 2002-07-23 | The Salk Institute For Biological Studies | Unsupervised adaptation and classification of multiple classes and sources in blind signal separation |
US8634481B1 (en) * | 2000-11-16 | 2014-01-21 | Alcatel Lucent | Feedback technique for wireless systems with multiple transmit and receive antennas |
US6870515B2 (en) | 2000-12-28 | 2005-03-22 | Nortel Networks Limited | MIMO wireless communication system |
US6956907B2 (en) * | 2001-10-15 | 2005-10-18 | Qualcomm, Incorporated | Method and apparatus for determining power allocation in a MIMO communication system |
US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US6931362B2 (en) | 2003-03-28 | 2005-08-16 | Harris Corporation | System and method for hybrid minimum mean squared error matrix-pencil separation weights for blind source separation |
-
2006
- 2006-01-05 US US11/326,539 patent/US7265714B2/en not_active Expired - Fee Related
- 2006-01-06 BR BRPI0606203-2A patent/BRPI0606203A2/pt not_active IP Right Cessation
- 2006-01-06 MX MX2007008138A patent/MX2007008138A/es active IP Right Grant
- 2006-01-06 WO PCT/US2006/000743 patent/WO2006076322A2/en active Application Filing
- 2006-01-06 KR KR1020077018255A patent/KR100904470B1/ko not_active IP Right Cessation
- 2006-01-06 CA CA2593821A patent/CA2593821C/en not_active Expired - Fee Related
- 2006-01-06 JP JP2007551313A patent/JP4677457B2/ja not_active Expired - Fee Related
- 2006-01-06 CN CN2006800020795A patent/CN101385249B/zh not_active Expired - Fee Related
- 2006-01-06 EP EP06717888.9A patent/EP1839068B1/en not_active Not-in-force
- 2006-01-09 TW TW095100815A patent/TWI285033B/zh not_active IP Right Cessation
-
2007
- 2007-08-07 NO NO20074083A patent/NO20074083L/no not_active Application Discontinuation
-
2009
- 2009-09-10 HK HK09108302.7A patent/HK1129501A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1129501A1 (en) | 2009-11-27 |
TWI285033B (en) | 2007-08-01 |
MX2007008138A (es) | 2007-09-06 |
TW200637209A (en) | 2006-10-16 |
WO2006076322A3 (en) | 2007-09-27 |
WO2006076322A2 (en) | 2006-07-20 |
US20060189280A1 (en) | 2006-08-24 |
JP2008538261A (ja) | 2008-10-16 |
CN101385249B (zh) | 2013-06-19 |
EP1839068A4 (en) | 2009-08-12 |
KR100904470B1 (ko) | 2009-06-24 |
JP4677457B2 (ja) | 2011-04-27 |
US7265714B2 (en) | 2007-09-04 |
KR20070094653A (ko) | 2007-09-20 |
CA2593821A1 (en) | 2006-07-20 |
EP1839068B1 (en) | 2014-09-10 |
CA2593821C (en) | 2011-11-22 |
CN101385249A (zh) | 2009-03-11 |
NO20074083L (no) | 2007-10-09 |
EP1839068A2 (en) | 2007-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25G | Requested change of headquarter approved |
Owner name: INTERDIGITAL TECHNOLOGY CORPORATION (US) |
|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 10A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2342 DE 24-11-2015 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. |