AR052436A1 - Metodos y aparatos para la mitigacion del efecto de correlacion en un sistema de comunicacion de multiples antenas - Google Patents
Metodos y aparatos para la mitigacion del efecto de correlacion en un sistema de comunicacion de multiples antenasInfo
- Publication number
- AR052436A1 AR052436A1 ARP050105456A ARP050105456A AR052436A1 AR 052436 A1 AR052436 A1 AR 052436A1 AR P050105456 A ARP050105456 A AR P050105456A AR P050105456 A ARP050105456 A AR P050105456A AR 052436 A1 AR052436 A1 AR 052436A1
- Authority
- AR
- Argentina
- Prior art keywords
- methods
- multiple antennas
- mitigation
- appliances
- communication system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
-
- 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
- H04B7/0697—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 spatial multiplexing
-
- 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
-
- 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
- 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
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Métodos y sistemas para la transmision de una cantidad de flujos de símbolos de modulacion mediante un transmisor de multiples antenas. En un aspecto, un método para la transmision de una cantidad de flujos de símbolos de modulacion mediante a transmisor de multiples antenas incluye los actos de transformar una primera cantidad de flujos de símbolos en una segunda cantidad de flujos de símbolos, siendo la primera cantidad menor que o la segunda cantidad; y la transmision e la segunda cantidad de flujos de símbolos mediante un transmisor que presenta la segunda cantidad de antenas.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/022,418 US7974359B2 (en) | 2004-12-22 | 2004-12-22 | Methods and apparatus for mitigating multi-antenna correlation effect in communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AR052436A1 true AR052436A1 (es) | 2007-03-21 |
Family
ID=36407978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP050105456A AR052436A1 (es) | 2004-12-22 | 2005-12-21 | Metodos y aparatos para la mitigacion del efecto de correlacion en un sistema de comunicacion de multiples antenas |
Country Status (9)
Country | Link |
---|---|
US (1) | US7974359B2 (es) |
EP (1) | EP1834420B1 (es) |
JP (1) | JP4965458B2 (es) |
KR (1) | KR100933154B1 (es) |
CN (1) | CN101103552B (es) |
AR (1) | AR052436A1 (es) |
CA (1) | CA2592410A1 (es) |
TW (1) | TW200642331A (es) |
WO (1) | WO2006069271A2 (es) |
Families Citing this family (54)
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US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
US8169889B2 (en) | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
US8923785B2 (en) | 2004-05-07 | 2014-12-30 | Qualcomm Incorporated | Continuous beamforming for a MIMO-OFDM system |
US7110463B2 (en) * | 2004-06-30 | 2006-09-19 | Qualcomm, Incorporated | Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system |
US7978649B2 (en) * | 2004-07-15 | 2011-07-12 | Qualcomm, Incorporated | Unified MIMO transmission and reception |
US7672388B2 (en) * | 2006-03-23 | 2010-03-02 | Motorola, Inc. | Method of providing signal diversity in an OFDM system |
US8543070B2 (en) | 2006-04-24 | 2013-09-24 | Qualcomm Incorporated | Reduced complexity beam-steered MIMO OFDM system |
TWI343200B (en) * | 2006-05-26 | 2011-06-01 | Lg Electronics Inc | Method and apparatus for signal generation using phase-shift based pre-coding |
KR20070113967A (ko) * | 2006-05-26 | 2007-11-29 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
KR101295576B1 (ko) * | 2006-06-22 | 2013-08-09 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 전송 방법 및이를 구현하는 송신 장치 |
KR20080026019A (ko) * | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
KR20080026010A (ko) * | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 전송 방법 및이를 구현하는 송수신 장치 |
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US8259836B2 (en) * | 2006-12-04 | 2012-09-04 | Samsung Electronics Co., Ltd. | Method and system for generating candidate beamforming coefficients for transmission of data over a wireless medium |
US8265177B2 (en) * | 2006-12-04 | 2012-09-11 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed high definition video data using beambook-constructed beamforming signals |
KR20080076683A (ko) * | 2007-02-14 | 2008-08-20 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
EP2145400B1 (en) | 2007-04-30 | 2013-03-20 | Telefonaktiebolaget L M Ericsson (publ) | Method and arrangement for adapting a multi-antenna transmission |
CN101340265B (zh) * | 2007-07-03 | 2012-12-26 | 株式会社Ntt都科摩 | 无线通信中的数据流处理方法及装置 |
KR101454027B1 (ko) * | 2007-08-10 | 2014-10-24 | 한국전자통신연구원 | 병렬 구조를 가지는 시분할 다중화 통신 시스템 및 방법 |
US20090046798A1 (en) * | 2007-08-13 | 2009-02-19 | Samsung Electronics Co., Ltd. | System and method for acquiring a training matrix for a breamforming acquisition protocol using a butson matrix |
KR20090030200A (ko) | 2007-09-19 | 2009-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 송수신 방법 및이를 지원하는 송수신기 |
CN101471907A (zh) | 2007-12-28 | 2009-07-01 | 三星电子株式会社 | 多入多出系统中的预编码方法及使用该方法的装置 |
KR101529736B1 (ko) * | 2008-03-05 | 2015-06-29 | 엘지전자 주식회사 | 다중 안테나 시스템에서 데이터 전송 방법 |
US20090231196A1 (en) * | 2008-03-11 | 2009-09-17 | Huaning Niu | Mmwave wpan communication system with fast adaptive beam tracking |
WO2009134082A2 (en) * | 2008-04-29 | 2009-11-05 | Electronics And Telecommunications Research Institute | Apparatus and method for transmitting data using multiple antenna for single carrier frequency division multiple access system |
US20090316804A1 (en) * | 2008-06-20 | 2009-12-24 | Legend Silicon Corp. | Method and apparatus to implement ofdma ranging in wimax system |
WO2010002609A1 (en) | 2008-07-02 | 2010-01-07 | Marvell World Trade Ltd. | Dynamic symbol to antenna and subcarrier mapping for chase-combining harq |
EP3297177A1 (en) | 2010-06-18 | 2018-03-21 | Commscope Technologies LLC | Digital distributed antenna system with improved data transmission features |
KR102216777B1 (ko) * | 2012-06-25 | 2021-02-16 | 코히어 테크널러지스, 아이엔씨. | 정규 직교 시간-주파수 시프팅 통신 시스템에서 변조 및 등화 |
US9692123B2 (en) * | 2012-09-17 | 2017-06-27 | Qualcomm Incorporated | Systems and methods of controlling antenna radiation patterns |
US9356672B2 (en) | 2014-08-01 | 2016-05-31 | Google Technology Holdings LLC | Apparatus and methods for adaptive antenna diversity in a multi-antenna system |
US9608711B2 (en) | 2014-08-07 | 2017-03-28 | Google Technology Holdings LLC | Apparatus and methods for antenna correlation estimation in a multi-antenna system |
CN104144040A (zh) * | 2014-08-26 | 2014-11-12 | 杜岩 | 一种mimo通信数据发送方法和装置 |
CN104168247A (zh) * | 2014-08-27 | 2014-11-26 | 杜岩 | Mimo-ofdm系统发送多路数据流的方法和装置 |
US11196800B2 (en) * | 2016-09-26 | 2021-12-07 | Google Llc | Systems and methods for communication efficient distributed mean estimation |
KR102486149B1 (ko) * | 2018-04-19 | 2023-01-09 | 삼성전자주식회사 | 무선 통신 시스템에서 피크 대 평균 전력 비 저감을 위한 장치 및 방법 |
US10756860B2 (en) | 2018-11-05 | 2020-08-25 | XCOM Labs, Inc. | Distributed multiple-input multiple-output downlink configuration |
US10812216B2 (en) | 2018-11-05 | 2020-10-20 | XCOM Labs, Inc. | Cooperative multiple-input multiple-output downlink scheduling |
US10659112B1 (en) | 2018-11-05 | 2020-05-19 | XCOM Labs, Inc. | User equipment assisted multiple-input multiple-output downlink configuration |
US10432272B1 (en) | 2018-11-05 | 2019-10-01 | XCOM Labs, Inc. | Variable multiple-input multiple-output downlink user equipment |
US11290172B2 (en) | 2018-11-27 | 2022-03-29 | XCOM Labs, Inc. | Non-coherent cooperative multiple-input multiple-output communications |
US10756795B2 (en) | 2018-12-18 | 2020-08-25 | XCOM Labs, Inc. | User equipment with cellular link and peer-to-peer link |
US11063645B2 (en) | 2018-12-18 | 2021-07-13 | XCOM Labs, Inc. | Methods of wirelessly communicating with a group of devices |
US11330649B2 (en) | 2019-01-25 | 2022-05-10 | XCOM Labs, Inc. | Methods and systems of multi-link peer-to-peer communications |
US10756767B1 (en) | 2019-02-05 | 2020-08-25 | XCOM Labs, Inc. | User equipment for wirelessly communicating cellular signal with another user equipment |
US11032841B2 (en) | 2019-04-26 | 2021-06-08 | XCOM Labs, Inc. | Downlink active set management for multiple-input multiple-output communications |
US10756782B1 (en) | 2019-04-26 | 2020-08-25 | XCOM Labs, Inc. | Uplink active set management for multiple-input multiple-output communications |
US10686502B1 (en) | 2019-04-29 | 2020-06-16 | XCOM Labs, Inc. | Downlink user equipment selection |
US10735057B1 (en) | 2019-04-29 | 2020-08-04 | XCOM Labs, Inc. | Uplink user equipment selection |
US11411778B2 (en) | 2019-07-12 | 2022-08-09 | XCOM Labs, Inc. | Time-division duplex multiple input multiple output calibration |
US11411779B2 (en) | 2020-03-31 | 2022-08-09 | XCOM Labs, Inc. | Reference signal channel estimation |
CN115699605A (zh) | 2020-05-26 | 2023-02-03 | 艾斯康实验室公司 | 干扰感知波束成形 |
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US7088784B2 (en) * | 2003-10-02 | 2006-08-08 | Nokia Corporation | Coded modulation for partially coherent systems |
US7995667B2 (en) | 2004-02-13 | 2011-08-09 | Broadcom Corporation | Reduced latency concatenated reed solomon-convolutional coding for MIMO wireless LAN |
US7583982B2 (en) * | 2004-08-06 | 2009-09-01 | Interdigital Technology Corporation | Method and apparatus to improve channel quality for use in wireless communications systems with multiple-input multiple-output (MIMO) antennas |
-
2004
- 2004-12-22 US US11/022,418 patent/US7974359B2/en active Active
-
2005
- 2005-12-21 CN CN2005800469672A patent/CN101103552B/zh active Active
- 2005-12-21 WO PCT/US2005/046686 patent/WO2006069271A2/en active Application Filing
- 2005-12-21 JP JP2007548488A patent/JP4965458B2/ja not_active Expired - Fee Related
- 2005-12-21 EP EP05855271.2A patent/EP1834420B1/en active Active
- 2005-12-21 CA CA002592410A patent/CA2592410A1/en not_active Abandoned
- 2005-12-21 KR KR1020077016922A patent/KR100933154B1/ko active IP Right Grant
- 2005-12-21 AR ARP050105456A patent/AR052436A1/es unknown
- 2005-12-22 TW TW094145716A patent/TW200642331A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2006069271A2 (en) | 2006-06-29 |
EP1834420A2 (en) | 2007-09-19 |
EP1834420B1 (en) | 2017-11-29 |
CN101103552B (zh) | 2013-05-15 |
JP2008526116A (ja) | 2008-07-17 |
KR20070089748A (ko) | 2007-08-31 |
KR100933154B1 (ko) | 2009-12-21 |
US20060146692A1 (en) | 2006-07-06 |
JP4965458B2 (ja) | 2012-07-04 |
WO2006069271A3 (en) | 2006-09-08 |
CN101103552A (zh) | 2008-01-09 |
TW200642331A (en) | 2006-12-01 |
CA2592410A1 (en) | 2006-06-29 |
US7974359B2 (en) | 2011-07-05 |
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