ATE509441T1 - Frequenzbereichs-entzerrung frequenzselektiver mimo-kanäle - Google Patents
Frequenzbereichs-entzerrung frequenzselektiver mimo-kanäleInfo
- Publication number
- ATE509441T1 ATE509441T1 AT04743771T AT04743771T ATE509441T1 AT E509441 T1 ATE509441 T1 AT E509441T1 AT 04743771 T AT04743771 T AT 04743771T AT 04743771 T AT04743771 T AT 04743771T AT E509441 T1 ATE509441 T1 AT E509441T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- frequency
- carrier
- channel
- mimo channels
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0244—Channel estimation channel estimation algorithms using matrix methods with inversion
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0248—Eigen-space methods
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03522—Frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/002032 WO2006008565A1 (en) | 2004-06-18 | 2004-06-18 | Frequency domain equalization of frequency-selective mimo channels |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE509441T1 true ATE509441T1 (de) | 2011-05-15 |
Family
ID=34957805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04743771T ATE509441T1 (de) | 2004-06-18 | 2004-06-18 | Frequenzbereichs-entzerrung frequenzselektiver mimo-kanäle |
Country Status (5)
Country | Link |
---|---|
US (1) | US9077516B2 (de) |
EP (1) | EP1757000B1 (de) |
AT (1) | ATE509441T1 (de) |
TW (1) | TWI384798B (de) |
WO (1) | WO2006008565A1 (de) |
Families Citing this family (42)
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US7616695B1 (en) | 2004-06-17 | 2009-11-10 | Marvell International Ltd. | MIMO equalizer design: an algorithmic perspective |
US7548592B2 (en) * | 2004-07-02 | 2009-06-16 | James Stuart Wight | Multiple input, multiple output communications systems |
US7738595B2 (en) * | 2004-07-02 | 2010-06-15 | James Stuart Wight | Multiple input, multiple output communications systems |
JP4744965B2 (ja) * | 2004-08-09 | 2011-08-10 | パナソニック株式会社 | 無線通信装置 |
US7978759B1 (en) * | 2005-03-24 | 2011-07-12 | Marvell International Ltd. | Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission |
KR100678053B1 (ko) * | 2006-02-08 | 2007-02-02 | 삼성전자주식회사 | 고정 광대역 무선접속 시스템에서 신호의 왜곡 보상 장치및 방법 |
US8184733B2 (en) * | 2006-03-29 | 2012-05-22 | Kyocera Corporation | Radio reception device, radio transmission device, radio base station, reception method, and transmission method |
US8494084B1 (en) * | 2006-05-02 | 2013-07-23 | Marvell International Ltd. | Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system |
WO2007145556A1 (en) * | 2006-06-16 | 2007-12-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for channel quality measures in a multiple antenna system. |
US7889808B2 (en) * | 2006-09-18 | 2011-02-15 | Nec Laboratories America, Inc. | Interpolation based QR decomposition for MIMO-OFDM systems using D-SMC Demodulator with per chunk ordering |
ES2616329T3 (es) | 2007-01-12 | 2017-06-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Método para precodificar que usa una matriz diagonal de bloques |
JP5073512B2 (ja) * | 2007-01-19 | 2012-11-14 | パナソニック株式会社 | マルチアンテナ送信装置、マルチアンテナ受信装置、マルチアンテナ送信方法、マルチアンテナ受信方法、端末装置及び基地局装置 |
US8611440B2 (en) * | 2007-10-30 | 2013-12-17 | Huawei Technologies Co., Ltd. | Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation |
US8112041B2 (en) | 2007-03-14 | 2012-02-07 | Sharp Kabushiki Kaisha | Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation |
US20080225688A1 (en) * | 2007-03-14 | 2008-09-18 | Kowalski John M | Systems and methods for improving reference signals for spatially multiplexed cellular systems |
US8199841B1 (en) | 2007-04-26 | 2012-06-12 | Marvell International Ltd. | Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system |
US8077805B1 (en) * | 2007-04-27 | 2011-12-13 | Marvell International Ltd. | MIMO equalizer method and apparatus |
US20080310383A1 (en) * | 2007-06-15 | 2008-12-18 | Sharp Laboratories Of America, Inc. | Systems and methods for designing a sequence for code modulation of data and channel estimation |
FR2918238B1 (fr) * | 2007-06-26 | 2009-08-21 | Alcatel Lucent Sas | Entrelaceur perfectionne et dispositif de selection de services, pour un reseau de communication radio a long entrelacement temporel au niveau de la couche physique |
US9130734B1 (en) * | 2007-09-20 | 2015-09-08 | Interstate Electronics Corporation | Multi-tone concatenated spread spectrum communications |
US8040278B2 (en) * | 2007-11-09 | 2011-10-18 | Intel Corporation | Adaptive antenna beamforming |
KR101375732B1 (ko) | 2007-11-21 | 2014-03-19 | 연세대학교 산학협력단 | 중계 방식의 무선통신 시스템에서 주파수 동기 오차 제거장치 및 방법 |
EP2075969B1 (de) | 2007-12-26 | 2013-01-23 | General Instrument Corporation | Verfahren und Vorrichtung zum Durchführen einer Kanalentzerrung auf einem MIMO-Signal |
US8509324B2 (en) * | 2008-07-08 | 2013-08-13 | Qualcomm Incorporated | Methods and systems for reducing PAPR of an OFDM signal |
US8175189B2 (en) | 2009-03-11 | 2012-05-08 | Hitachi, Ltd. | Fast generalized decision feedback equalizer precoder implementation for multi-user multiple-input multiple-output wireless transmission systems |
US8553796B2 (en) * | 2009-12-23 | 2013-10-08 | Intel Corporation | Distortion-aware multiple input multiple output precoding |
JP5689353B2 (ja) * | 2011-04-22 | 2015-03-25 | シャープ株式会社 | フィルタ算出装置、送信装置、受信装置、プロセッサおよびフィルタ算出方法 |
GB2495110B (en) * | 2011-09-28 | 2014-03-19 | Toshiba Res Europ Ltd | Antenna combining |
CN103200140B (zh) * | 2012-01-06 | 2016-05-11 | 微思泰(北京)信息技术有限公司 | 一种基于预均衡的干扰消除***及方法 |
US9401826B2 (en) * | 2012-02-17 | 2016-07-26 | Sony Corporation | Signal processing unit employing a blind channel estimation algorithm and method of operating a receiver apparatus |
WO2013159207A1 (en) * | 2012-04-27 | 2013-10-31 | The Royal Institution For The Advancement Of Learning/Mcgill University | Methods and devices for communications systems using multiplied rate transmission |
US9066265B2 (en) * | 2012-10-19 | 2015-06-23 | Intel Corporation | Methods and arrangements for frequency selective transmission |
US9237044B1 (en) * | 2013-05-17 | 2016-01-12 | Altera Corporation | Methods for joint optimization of link equalization |
WO2015062544A1 (en) * | 2013-11-04 | 2015-05-07 | Zte Corporation | Adaptive pre-equalization in optical communications |
WO2015073937A1 (en) | 2013-11-17 | 2015-05-21 | Ping Liang | Massive mimo multi-user beamforming and single channel full duplex for wireless networks |
CN106961739B (zh) | 2013-12-20 | 2020-07-24 | 射频数字信号处理公司 | 频分双工多输入输出无线网络中信道状态信息的获取方法 |
KR102287454B1 (ko) | 2013-12-20 | 2021-08-09 | 핑 리앙 | Mimo 무선 통신 시스템 내의 적응형 프리코딩 |
CN107210798B (zh) * | 2015-01-29 | 2021-01-12 | 瑞典爱立信有限公司 | 用于补偿相位噪声的微波无线电发射机及相关方法 |
CN107852614A (zh) * | 2015-05-06 | 2018-03-27 | 梁平 | 具有基于fir的信道均衡器的无线中继器 |
US9768985B2 (en) * | 2016-01-26 | 2017-09-19 | Nxp B.V. | Equalization from presence change transients |
US10042819B2 (en) * | 2016-09-29 | 2018-08-07 | Hewlett Packard Enterprise Development Lp | Convolution accelerators |
CN115604064B (zh) * | 2022-09-29 | 2024-06-25 | 哈尔滨工业大学 | 一种基于带限信号外推的zp-ofdm信号定时恢复方法 |
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US7787514B2 (en) * | 1998-02-12 | 2010-08-31 | Lot 41 Acquisition Foundation, Llc | Carrier interferometry coding with applications to cellular and local area networks |
US6741643B1 (en) * | 1998-04-15 | 2004-05-25 | Telecommunications Research Laboratories | Asymmetric equalization system for data transmission |
US6560299B1 (en) * | 1999-07-30 | 2003-05-06 | Christopher H Strolle | Diversity receiver with joint signal processing |
US7406261B2 (en) * | 1999-11-02 | 2008-07-29 | Lot 41 Acquisition Foundation, Llc | Unified multi-carrier framework for multiple-access technologies |
US7248841B2 (en) * | 2000-06-13 | 2007-07-24 | Agee Brian G | Method and apparatus for optimization of wireless multipoint electromagnetic communication networks |
US7418043B2 (en) * | 2000-07-19 | 2008-08-26 | Lot 41 Acquisition Foundation, Llc | Software adaptable high performance multicarrier transmission protocol |
US7054375B2 (en) * | 2000-12-22 | 2006-05-30 | Nokia Corporation | Method and apparatus for error reduction in an orthogonal modulation system |
CA2347927A1 (en) * | 2001-05-16 | 2002-11-16 | Telecommunications Research Laboratories | Centralized synchronization for wireless networks |
US6662024B2 (en) * | 2001-05-16 | 2003-12-09 | Qualcomm Incorporated | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system |
US7099386B2 (en) * | 2001-07-09 | 2006-08-29 | Intel Corporation | Channel tracking using channel covariance estimation |
US7295623B2 (en) * | 2001-07-11 | 2007-11-13 | Vativ Technologies, Inc. | High-speed communications transceiver |
US20030112896A1 (en) * | 2001-07-11 | 2003-06-19 | Raghavan Sreen A. | Multi-channel communications transceiver |
JP4071468B2 (ja) | 2001-09-28 | 2008-04-02 | 株式会社東芝 | Ofdm受信装置 |
US7012883B2 (en) * | 2001-11-21 | 2006-03-14 | Qualcomm Incorporated | Rate selection for an OFDM system |
CA2468574A1 (en) * | 2001-11-29 | 2003-06-05 | Qualcomm, Incorporated | Method and apparatus for determining the log-likelihood ratio with precoding |
US7295626B2 (en) * | 2002-03-08 | 2007-11-13 | Alvarion Ltd. | Orthogonal division multiple access technique incorporating single carrier and OFDM signals |
US20030231726A1 (en) * | 2002-06-12 | 2003-12-18 | Andreas Schuchert | Arrangement and method for frequency domain compensation of OFDM signals with IQ imbalance |
US7184713B2 (en) * | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
JP4412926B2 (ja) * | 2002-09-27 | 2010-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | 適応等化装置及びそのプログラム |
US7813440B2 (en) * | 2003-01-31 | 2010-10-12 | Ntt Docomo, Inc. | Multiple-output multiple-input (MIMO) communication system, MIMO receiver and MIMO receiving method |
JP3748449B2 (ja) * | 2003-03-31 | 2006-02-22 | 株式会社東芝 | Ofdm受信装置 |
US7286609B2 (en) * | 2003-08-08 | 2007-10-23 | Intel Corporation | Adaptive multicarrier wireless communication system, apparatus and associated methods |
US7065144B2 (en) * | 2003-08-27 | 2006-06-20 | Qualcomm Incorporated | Frequency-independent spatial processing for wideband MISO and MIMO systems |
US7315592B2 (en) * | 2003-09-08 | 2008-01-01 | Aktino, Inc. | Common mode noise cancellation |
US7742546B2 (en) * | 2003-10-08 | 2010-06-22 | Qualcomm Incorporated | Receiver spatial processing for eigenmode transmission in a MIMO system |
US7298805B2 (en) * | 2003-11-21 | 2007-11-20 | Qualcomm Incorporated | Multi-antenna transmission for spatial division multiple access |
-
2004
- 2004-06-18 WO PCT/IB2004/002032 patent/WO2006008565A1/en active Application Filing
- 2004-06-18 EP EP20040743771 patent/EP1757000B1/de not_active Expired - Lifetime
- 2004-06-18 US US11/628,634 patent/US9077516B2/en not_active Expired - Fee Related
- 2004-06-18 AT AT04743771T patent/ATE509441T1/de not_active IP Right Cessation
-
2005
- 2005-06-15 TW TW94119764A patent/TWI384798B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US9077516B2 (en) | 2015-07-07 |
EP1757000A1 (de) | 2007-02-28 |
TWI384798B (zh) | 2013-02-01 |
TW200614712A (en) | 2006-05-01 |
US20070253476A1 (en) | 2007-11-01 |
WO2006008565A1 (en) | 2006-01-26 |
EP1757000B1 (de) | 2011-05-11 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |