KR100929992B1 - Ｍｉｍｏ시스템에 대한 특이값 분해를 이용한 시간 도메인송신 및 수신 프로세싱 - Google Patents

Ｍｉｍｏ시스템에 대한 특이값 분해를 이용한 시간 도메인송신 및 수신 프로세싱 Download PDF

Info

Publication number
KR100929992B1
KR100929992B1 KR1020047008789A KR20047008789A KR100929992B1 KR 100929992 B1 KR100929992 B1 KR 100929992B1 KR 1020047008789 A KR1020047008789 A KR 1020047008789A KR 20047008789 A KR20047008789 A KR 20047008789A KR 100929992 B1 KR100929992 B1 KR 100929992B1
Authority
KR
South Korea
Prior art keywords
matrix
mimo
sequence
matrices
pulse shaping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
KR1020047008789A
Other languages
English (en)
Korean (ko)
Other versions
KR20040061023A (ko
Inventor
케첨존더블유
월리스마크
하워드스티븐제이
왈턴제이알
Original Assignee
퀄컴 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20040061023A publication Critical patent/KR20040061023A/ko
Application granted granted Critical
Publication of KR100929992B1 publication Critical patent/KR100929992B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H04B7/0417—Feedback 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • 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
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03605—Block algorithms
    • 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
    • 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
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
KR1020047008789A 2001-12-07 2002-12-03 Ｍｉｍｏ시스템에 대한 특이값 분해를 이용한 시간 도메인송신 및 수신 프로세싱 Expired - Lifetime KR100929992B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/017,308 US6760388B2 (en) 2001-12-07 2001-12-07 Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
US10/017,308 2001-12-07
PCT/US2002/038671 WO2003050968A2 (en) 2001-12-07 2002-12-03 Time-domain transmit and receive processing using singular value decomposition for mimo systems

Publications (2)

Publication Number Publication Date
KR20040061023A KR20040061023A (ko) 2004-07-06
KR100929992B1 true KR100929992B1 (ko) 2009-12-07

Family

ID=21781875

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020047008789A Expired - Lifetime KR100929992B1 (ko) 2001-12-07 2002-12-03 Ｍｉｍｏ시스템에 대한 특이값 분해를 이용한 시간 도메인송신 및 수신 프로세싱

Country Status (9)

Country Link
US (3) US6760388B2 (enExample)
EP (1) EP1451964B1 (enExample)
JP (3) JP2005512447A (enExample)
KR (1) KR100929992B1 (enExample)
CN (2) CN101217340B (enExample)
AU (1) AU2002357783A1 (enExample)
BR (1) BR0214691A (enExample)
TW (1) TWI258962B (enExample)
WO (1) WO2003050968A2 (enExample)

Families Citing this family (242)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0612233Y2 (ja) 1988-03-28 1994-03-30 日産自動車株式会社 内燃機関の空燃比制御装置
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US6865237B1 (en) 2000-02-22 2005-03-08 Nokia Mobile Phones Limited Method and system for digital signal transmission
FI20002845A7 (fi) * 2000-12-22 2002-06-23 Nokia Corp Digitaalisen signaalin lähettäminen
US7702293B2 (en) * 2001-11-02 2010-04-20 Nokia Corporation Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces
US7430245B2 (en) * 2004-07-02 2008-09-30 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
US6760388B2 (en) * 2001-12-07 2004-07-06 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
US7133461B2 (en) * 2001-12-14 2006-11-07 Motorola, Inc. Stream transmission method and device
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7020482B2 (en) * 2002-01-23 2006-03-28 Qualcomm Incorporated Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
US20040087308A1 (en) * 2002-01-29 2004-05-06 Olav Tirkkonen Data transfer method in radio system
US20030161258A1 (en) * 2002-02-22 2003-08-28 Jianzhong Zhang Apparatus, and associated method, for a multiple-input, multiple-output communications system
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
AU2003219882A1 (en) * 2002-03-01 2003-09-16 Cognio, Inc. System and method for joint maximal ratio combining
US6873651B2 (en) * 2002-03-01 2005-03-29 Cognio, Inc. System and method for joint maximal ratio combining using time-domain signal processing
US6785520B2 (en) 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
KR100464014B1 (ko) * 2002-03-21 2004-12-30 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법
US7593357B2 (en) * 2002-03-28 2009-09-22 Interdigital Technology Corporation Transmit processing using receiver functions
US7224704B2 (en) * 2002-04-01 2007-05-29 Texas Instruments Incorporated Wireless network scheduling data frames including physical layer configuration
AU2003219395A1 (en) * 2002-04-30 2003-11-17 Koninklijke Philips Electronics N.V. Backward compatible dvb-s standard transmission system
US6996373B2 (en) * 2002-06-18 2006-02-07 Nokia Corporation Base station
US7436757B1 (en) * 2002-06-21 2008-10-14 Nortel Networks Limited Scattered pilot and filtering for channel estimation
TWI335735B (en) * 2002-07-19 2011-01-01 Interdigital Tech Corp Groupwise successive interference cancellation for block transmission with reception diversity
ES2318176T3 (es) * 2002-07-30 2009-05-01 Ipr Licensing Inc. Sistema y metodo de comunicacion por radio con multiple entrada multiple salida (mimo).
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US6940917B2 (en) * 2002-08-27 2005-09-06 Qualcomm, Incorporated Beam-steering and beam-forming for wideband MIMO/MISO systems
US7260153B2 (en) * 2002-09-09 2007-08-21 Mimopro Ltd. Multi input multi output wireless communication method and apparatus providing extended range and extended rate across imperfectly estimated channels
JP4381749B2 (ja) * 2002-09-19 2009-12-09 パナソニック株式会社 無線通信装置及び無線通信方法
US6873606B2 (en) * 2002-10-16 2005-03-29 Qualcomm, Incorporated Rate adaptive transmission scheme for MIMO systems
US7355958B2 (en) * 2002-10-22 2008-04-08 Syracuse University Blind OFDM channel estimation and identification using receiver diversity
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
DE10254384B4 (de) 2002-11-17 2005-11-17 Siemens Ag Bidirektionales Signalverarbeitungsverfahren für ein MIMO-System mit einer rangadaptiven Anpassung der Datenübertragungsrate
JP4350491B2 (ja) * 2002-12-05 2009-10-21 パナソニック株式会社 無線通信システム、無線通信方法、及び無線通信装置
JP4256158B2 (ja) * 2002-12-26 2009-04-22 パナソニック株式会社 無線通信装置及び無線通信方法
US7577165B1 (en) * 2003-02-05 2009-08-18 Barrett Terence W Method and system of orthogonal signal spectrum overlay (OSSO) for communications
EP1447927A1 (en) * 2003-02-17 2004-08-18 France Telecom Signal processing apparatus and method
JP4287670B2 (ja) * 2003-02-18 2009-07-01 パナソニック株式会社 通信装置及び通信方法
JP2004266586A (ja) * 2003-03-03 2004-09-24 Hitachi Ltd 移動通信システムのデータ送受信方法
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
TW200805959A (en) * 2003-03-03 2008-01-16 Interdigital Tech Corp Reduced complexity sliding window based equalizer
US7099678B2 (en) * 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication
US7406055B2 (en) * 2003-04-21 2008-07-29 Mitsubishi Denki Kabushiki Kaisha Radio communication apparatus, transmitter apparatus, receiver apparatus and radio communication system
US7079870B2 (en) * 2003-06-09 2006-07-18 Ipr Licensing, Inc. Compensation techniques for group delay effects in transmit beamforming radio communication
CN1751465B (zh) * 2003-06-18 2011-11-09 日本电信电话株式会社 无线分组通信方法及无线分组通信装置
WO2005008931A1 (ja) * 2003-07-16 2005-01-27 Nec Corporation 送信装置、受信装置、無線通信システム
US20050036575A1 (en) * 2003-08-15 2005-02-17 Nokia Corporation Method and apparatus providing low complexity equalization and interference suppression for SAIC GSM/EDGE receiver
US7127013B2 (en) * 2003-08-18 2006-10-24 Airgo Networks, Inc. Spacetime equalization in a wireless receiver
US7065144B2 (en) * 2003-08-27 2006-06-20 Qualcomm Incorporated Frequency-independent spatial processing for wideband MISO and MIMO systems
US7724838B2 (en) * 2003-09-25 2010-05-25 Qualcomm Incorporated Hierarchical coding with multiple antennas in a wireless communication system
US7742546B2 (en) * 2003-10-08 2010-06-22 Qualcomm Incorporated Receiver spatial processing for eigenmode transmission in a MIMO system
US8842657B2 (en) 2003-10-15 2014-09-23 Qualcomm Incorporated High speed media access control with legacy system interoperability
US9226308B2 (en) 2003-10-15 2015-12-29 Qualcomm Incorporated Method, apparatus, and system for medium access control
US8462817B2 (en) 2003-10-15 2013-06-11 Qualcomm Incorporated Method, apparatus, and system for multiplexing protocol data units
US8284752B2 (en) * 2003-10-15 2012-10-09 Qualcomm Incorporated Method, apparatus, and system for medium access control
US8472473B2 (en) 2003-10-15 2013-06-25 Qualcomm Incorporated Wireless LAN protocol stack
US8483105B2 (en) 2003-10-15 2013-07-09 Qualcomm Incorporated High speed media access control
JP2005123788A (ja) * 2003-10-15 2005-05-12 Sharp Corp 無線通信装置
US8233462B2 (en) 2003-10-15 2012-07-31 Qualcomm Incorporated High speed media access control and direct link protocol
US7616698B2 (en) 2003-11-04 2009-11-10 Atheros Communications, Inc. Multiple-input multiple output system and method
US7680461B2 (en) * 2003-11-05 2010-03-16 Sony Corporation Wireless communications system, wireless communications method, and wireless communications apparatus
JP4337507B2 (ja) * 2003-11-05 2009-09-30 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
US7298805B2 (en) * 2003-11-21 2007-11-20 Qualcomm Incorporated Multi-antenna transmission for spatial division multiple access
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
WO2005055465A1 (en) * 2003-12-05 2005-06-16 Samsung Electronics Co., Ltd. Apparatus and method for transmitting data by selected eigenvector in closed loop mimo mobile communication system
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US7302009B2 (en) 2003-12-17 2007-11-27 Qualcomm Incorporated Broadcast transmission with spatial spreading in a multi-antenna communication system
EP1695456B1 (en) * 2003-12-19 2009-11-11 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus in a mimo based communication system
JP3910956B2 (ja) * 2003-12-26 2007-04-25 株式会社東芝 Ｏｆｄｍ無線通信システムのための伝搬路推定器及びこれを用いた受信装置
CA2490969C (en) * 2004-01-02 2014-06-17 Her Majesty In Right Of Canada As Represented By The Minister Of Industry, Through The Communications Research Centre Canada Method for updating singular value decomposition of a transfer matrix
US7194042B2 (en) * 2004-01-13 2007-03-20 Qualcomm Incorporated Data transmission with spatial spreading in a mimo communication system
US7336746B2 (en) 2004-12-09 2008-02-26 Qualcomm Incorporated Data transmission with spatial spreading in a MIMO communication system
US8903440B2 (en) 2004-01-29 2014-12-02 Qualcomm Incorporated Distributed hierarchical scheduling in an ad hoc network
US7818018B2 (en) * 2004-01-29 2010-10-19 Qualcomm Incorporated Distributed hierarchical scheduling in an AD hoc network
WO2005076218A1 (en) * 2004-01-30 2005-08-18 Telefonaktiebolaget Lm Ericsson (Publ) Prioritising data elements of a data stream
US7570619B2 (en) * 2004-02-13 2009-08-04 Broadcom Corporation Long training sequence method and device for wireless communications
US20050180312A1 (en) * 2004-02-18 2005-08-18 Walton J. R. Transmit diversity and spatial spreading for an OFDM-based 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
US7400710B2 (en) * 2004-02-26 2008-07-15 Conexant, Inc. MIMO dynamic PSD allocation for DSL networks
US20050213686A1 (en) * 2004-03-26 2005-09-29 Texas Instruments Incorporated Reduced complexity transmit spatial waterpouring technique for multiple-input, multiple-output communication systems
US8315271B2 (en) * 2004-03-26 2012-11-20 Qualcomm Incorporated Method and apparatus for an ad-hoc wireless communications system
US9826537B2 (en) * 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US10200094B2 (en) * 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US7711030B2 (en) * 2004-07-30 2010-05-04 Rearden, Llc System and method for spatial-multiplexed tropospheric scatter communications
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US7599420B2 (en) * 2004-07-30 2009-10-06 Rearden, Llc System and method for distributed input distributed output wireless communications
US8160121B2 (en) * 2007-08-20 2012-04-17 Rearden, Llc System and method for distributed input-distributed output wireless communications
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US8571086B2 (en) * 2004-04-02 2013-10-29 Rearden, Llc System and method for DIDO precoding interpolation in multicarrier systems
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10886979B2 (en) * 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US7633994B2 (en) 2004-07-30 2009-12-15 Rearden, LLC. System and method for distributed input-distributed output wireless communications
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US7636381B2 (en) * 2004-07-30 2009-12-22 Rearden, Llc System and method for distributed input-distributed output wireless communications
US9819403B2 (en) * 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10187133B2 (en) * 2004-04-02 2019-01-22 Rearden, Llc System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US8170081B2 (en) * 2004-04-02 2012-05-01 Rearden, LLC. System and method for adjusting DIDO interference cancellation based on signal strength measurements
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US7418053B2 (en) 2004-07-30 2008-08-26 Rearden, Llc System and method for distributed input-distributed output wireless communications
US7885354B2 (en) * 2004-04-02 2011-02-08 Rearden, Llc System and method for enhancing near vertical incidence skywave (“NVIS”) communication using space-time coding
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US20050238111A1 (en) * 2004-04-09 2005-10-27 Wallace Mark S Spatial processing with steering matrices for pseudo-random transmit steering in a multi-antenna communication system
US7417974B2 (en) * 2004-04-14 2008-08-26 Broadcom Corporation Transmitting high rate data within a MIMO WLAN
US7564814B2 (en) * 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
US8285226B2 (en) * 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity 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
KR20050109863A (ko) * 2004-05-17 2005-11-22 삼성전자주식회사 다중 사용자 ｍｉｍｏ/ｏｆｄｍａ 시스템을 위한 부채널및 비트 할당 기법
US8401018B2 (en) * 2004-06-02 2013-03-19 Qualcomm Incorporated Method and apparatus for scheduling in a wireless network
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
US7649952B1 (en) 2004-07-01 2010-01-19 Regents Of The University Of Minnesota Low complexity soft demapping
JP4409395B2 (ja) * 2004-07-13 2010-02-03 富士通株式会社 伝搬路推定方法及び推定装置
US7978649B2 (en) * 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
US8457152B2 (en) * 2004-07-16 2013-06-04 Qualcomm Incorporated Multiple modulation schemes in single rate layering wireless communication systems
US7706324B2 (en) * 2004-07-19 2010-04-27 Qualcomm Incorporated On-demand reverse-link pilot transmission
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
ES2339788T3 (es) 2004-08-12 2010-05-25 Interdigital Technology Corporation Metodo y aparato para implementar la codificacion de bloque de frecuencias espaciales en un sistema de comunicacion inalambrica de multiplexacion por division en frecuencias ortogonales.
US7336727B2 (en) * 2004-08-19 2008-02-26 Nokia Corporation Generalized m-rank beamformers for MIMO systems using successive quantization
US7894548B2 (en) 2004-09-03 2011-02-22 Qualcomm Incorporated Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
US7978778B2 (en) 2004-09-03 2011-07-12 Qualcomm, Incorporated Receiver structures for spatial spreading with space-time or space-frequency transmit diversity
CN100377541C (zh) * 2004-09-17 2008-03-26 北京邮电大学 在分布式终端组件之间进行连接控制和安全验证的方法
US7711035B2 (en) * 2004-09-17 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for suppressing communication signal interference
US8031117B2 (en) * 2004-09-23 2011-10-04 Interdigital Technology Corporation Blind signal separation using polarized antenna elements
US7627052B2 (en) * 2004-09-23 2009-12-01 Interdigital Technology Corporation Pattern diversity to support a MIMO receiver and associated methods
CN100388645C (zh) * 2004-09-28 2008-05-14 上海贝尔阿尔卡特股份有限公司 一种改善v-blast检测性能的预编码方法和装置
US8040968B2 (en) 2004-09-30 2011-10-18 Intel Corporation High rate, high diversity transmission on multiple transmit antennas
US7882412B2 (en) 2004-10-05 2011-02-01 Sanjiv Nanda Enhanced block acknowledgement
JP4065276B2 (ja) * 2004-11-12 2008-03-19 三洋電機株式会社 送信方法およびそれを利用した無線装置
KR100696208B1 (ko) * 2004-12-08 2007-03-20 한국전자통신연구원 다중 안테나 송수신 시스템의 제어 방법, 송신기 및 수신기
EP1820287A4 (en) * 2004-12-08 2012-07-11 Korea Electronics Telecomm Transmitter, receiver and method for controlling a system with multiple inputs and outputs
US7525988B2 (en) * 2005-01-17 2009-04-28 Broadcom Corporation Method and system for rate selection algorithm to maximize throughput in closed loop multiple input multiple output (MIMO) wireless local area network (WLAN) system
WO2006075732A1 (ja) * 2005-01-17 2006-07-20 Sharp Kabushiki Kaisha 無線通信装置
WO2006098011A1 (ja) * 2005-03-16 2006-09-21 Fujitsu Limited 多入力システムにおける無線通信装置及びチャンネル推定及び分離方法
CN1835415A (zh) * 2005-03-16 2006-09-20 松下电器产业株式会社 无线通信系统中使用的低复杂度比特和功率分配方法和装置
US7688979B2 (en) * 2005-03-21 2010-03-30 Interdigital Technology Corporation MIMO air interface utilizing dirty paper coding
JP4445554B2 (ja) * 2005-04-14 2010-04-07 パナソニック株式会社 無線通信システムおよび無線通信方法
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
NZ564203A (en) * 2005-05-13 2009-11-27 Qualcomm Inc On-demand reverse link pilot transmission
JP4666150B2 (ja) * 2005-05-31 2011-04-06 日本電気株式会社 Ｍｉｍｏ受信装置、受信方法、および無線通信システム
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
CN1885841B (zh) * 2005-06-20 2010-12-15 北京三星通信技术研究有限公司 空时分组码功率分配系统及分配方法
CN100377515C (zh) * 2005-07-14 2008-03-26 北京邮电大学 用于mimo-ofdm系统的自适应传输方法
WO2007015143A2 (en) * 2005-08-01 2007-02-08 Nokia Corporation Method, apparatus and computer program product providing widely linear interference cancellation for multi-carrier systems
CA2516525A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Interference canceling matched filter (icmf)
US7623605B2 (en) * 2005-08-15 2009-11-24 Research In Motion Limited Interference canceling matched filter (ICMF) and related methods
US7639763B2 (en) * 2005-08-23 2009-12-29 Research In Motion Limited Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
US7643590B2 (en) * 2005-08-23 2010-01-05 Research In Motion Limited Joint demodulation filter for co-channel interference reduction and related methods
CA2516910A1 (en) * 2005-08-23 2007-02-23 Research In Motion Limited Joint demodulation techniques for interference cancellation
US8902875B2 (en) * 2005-08-25 2014-12-02 Broadcom Corporation Subcarrier allocation in OFDMA with imperfect channel state information at the transmitter
EP2194659A1 (en) * 2005-09-02 2010-06-09 Mitsubishi Electric R&D Centre Europe B.V. Method for controlling the transfer of signals from a first communication device to a second communication device through a wireless network
US8600336B2 (en) * 2005-09-12 2013-12-03 Qualcomm Incorporated Scheduling with reverse direction grant in wireless communication systems
CN101273278A (zh) * 2005-09-22 2008-09-24 美商内数位科技公司 支持mimo接收机的式样分集以及相关联的方法
CN100349388C (zh) * 2005-10-20 2007-11-14 上海交通大学 多输入多输出系统的最小发射功率自适应调制方法
US7778607B2 (en) * 2005-10-31 2010-08-17 The Mitre Corporation Echo MIMO: a method for optimal multiple input multiple output channel estimation and matched cooperative beamforming
CN100372277C (zh) * 2006-02-20 2008-02-27 东南大学 基于空域预白化合并的空时分离软输入软输出检测方法
US7649955B2 (en) * 2006-03-24 2010-01-19 Intel Corporation MIMO receiver and method for beamforming using CORDIC operations
US8543070B2 (en) 2006-04-24 2013-09-24 Qualcomm Incorporated Reduced complexity beam-steered MIMO OFDM system
US7787554B1 (en) 2006-05-02 2010-08-31 Marvell International Ltd. Beamforming to a subset of receive antennas in a wireless MIMO communication system
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
US8340597B1 (en) 2006-05-02 2012-12-25 Marvell International Ltd. Calibration correction for implicit beamforming in a wireless MIMO communication system
US8290089B2 (en) * 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
WO2007145556A1 (en) * 2006-06-16 2007-12-21 Telefonaktiebolaget Lm Ericsson (Publ) Method for channel quality measures in a multiple antenna system.
US8787841B2 (en) * 2006-06-27 2014-07-22 Qualcomm Incorporated Method and system for providing beamforming feedback in wireless communication systems
KR100992418B1 (ko) * 2006-07-12 2010-11-05 삼성전자주식회사 다중 안테나 시스템의 송신단에서 간섭을 제거하기 위한장치 및 방법
WO2008021182A2 (en) * 2006-08-09 2008-02-21 Interdigital Technology Corporation Method and apparatus for providing differentiated quality of service for packets in a particular flow
CN101127747B (zh) * 2006-08-14 2010-09-08 大唐移动通信设备有限公司 一种时分双工复用系统中实现频域调度的方法及系统
US7751495B1 (en) 2006-09-06 2010-07-06 Marvell International Ltd. Equal power output spatial spreading matrix for use in a wireless MIMO communication system
JP5133346B2 (ja) * 2006-09-18 2013-01-30 マーベル ワールド トレード リミテッド 無線ｍｉｍｏ通信システムにおける暗黙のビームフォーミングのキャリブレーション補正法
US7684526B2 (en) 2006-09-21 2010-03-23 Broadcom Corporation Frequency domain equalizer for dual antenna radio
KR100826529B1 (ko) * 2006-09-29 2008-04-30 한국전자통신연구원 다수의 송수신 안테나를 갖는 직교주파수 분할 다중 접속시스템에서 효율적인 신호 수신 장치 및 방법
US7966043B2 (en) * 2006-12-09 2011-06-21 Cisco Technology, Inc. Method for creating multiple-input-multiple-output channel with beamforming using signals transmitted from single transmit antenna
US7961826B2 (en) * 2006-12-14 2011-06-14 Texas Instruments Incorporated Parameterized sphere detector and methods of using the same
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
US8223872B1 (en) 2007-04-04 2012-07-17 Marvell International Ltd. Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
US20080260051A1 (en) * 2007-04-23 2008-10-23 Federico Boccardi Method and apparatus for transmitting information simultaneously to multiple destinations over shared wireless resources
US8199841B1 (en) 2007-04-26 2012-06-12 Marvell International Ltd. Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system
US8379745B1 (en) 2007-07-06 2013-02-19 Marvell International Ltd. Forward channel variation detection in a wireless communication system
US8213368B2 (en) * 2007-07-13 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive compression of channel feedback based on second order channel statistics
EP2592766B1 (en) 2007-07-18 2020-04-22 Marvell World Trade Ltd. Access point with simultaneous downlink transmission of independent data for multiple client stations
CN101755498B (zh) 2007-07-18 2016-09-28 马维尔国际贸易有限公司 一种无线网络和客户站
US8411805B1 (en) 2007-08-14 2013-04-02 Marvell International Ltd. Joint estimation of channel and preamble sequence for orthogonal frequency division multiplexing systems
US8989155B2 (en) 2007-08-20 2015-03-24 Rearden, Llc Systems and methods for wireless backhaul in distributed-input distributed-output wireless systems
US20090122854A1 (en) * 2007-11-14 2009-05-14 The Hong Kong University Of Science And Technology Frequency domain equalization with transmit precoding for high speed data transmission
US8229017B1 (en) 2007-12-13 2012-07-24 Marvell International Ltd. Transmit beamforming utilizing channel estimation matrix decomposition feedback in a wireless MIMO communication system
US8135092B2 (en) * 2008-01-31 2012-03-13 Nokia Corporation MIMO-OFDM wireless communication system
US8995590B2 (en) * 2008-03-28 2015-03-31 Qualcomm Incorporated Hardware engine to demod SIMO, MIMO, and SDMA signals
US8982889B2 (en) 2008-07-18 2015-03-17 Marvell World Trade Ltd. Preamble designs for sub-1GHz frequency bands
US8588318B2 (en) * 2008-09-01 2013-11-19 Samsung Electronics Co., Ltd. Method for demodulating signal and terminal and base station for executing the method
KR20100070751A (ko) * 2008-12-18 2010-06-28 한국전자통신연구원 무선 통신 시스템의 채널 추정 방법 및 그 장치
US8055199B2 (en) * 2008-12-31 2011-11-08 Qualcomm Incorporated Methods and systems for co-channel interference cancellation in wireless networks
US9077594B2 (en) 2009-07-23 2015-07-07 Marvell International Ltd. Coexistence of a normal-rate physical layer and a low-rate physical layer in a wireless network
US8483265B2 (en) * 2009-09-04 2013-07-09 Hitachi, Ltd. Generalized decision feedback equalizer precoder with input covariance matrix calculation for multi-user multiple-input multiple-output wireless transmission systems
KR101587566B1 (ko) * 2009-12-30 2016-02-02 삼성전자주식회사 다중 사용자 다중 안테나 시스템에서의 유니터리 프리코딩 장치 및 방법
US8750089B2 (en) * 2010-01-05 2014-06-10 Broadcom Corporation Method and system for iterative discrete fourier transform (DFT) based channel estimation using minimum mean square error (MMSE) techniques
FR2966308A1 (fr) * 2010-10-15 2012-04-20 France Telecom Procedes d'emission et de reception d'un signal multiporteuse, emetteur, recepteur, signal de retour et programmes d'ordinateur correspondants
JP6057259B2 (ja) 2011-08-29 2017-01-11 マーベル ワールド トレード リミテッド システムおよび方法
US9154969B1 (en) 2011-09-29 2015-10-06 Marvell International Ltd. Wireless device calibration for implicit transmit
US9801564B2 (en) * 2012-02-29 2017-10-31 General Electric Company System and method for determining physiological parameters based on electrical impedance measurements
US9083479B2 (en) * 2012-05-11 2015-07-14 Intel Corporation Signaling for downlink coordinated multipoint in a wireless communication system
US8874103B2 (en) 2012-05-11 2014-10-28 Intel Corporation Determining proximity of user equipment for device-to-device communication
US9048893B1 (en) * 2012-09-18 2015-06-02 Marvell International Ltd. Determining channel information using decision feedback equalization
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
RU2767777C2 (ru) 2013-03-15 2022-03-21 Риарден, Ллк Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом
DE102013209708A1 (de) * 2013-05-24 2014-11-27 Robert Bosch Gmbh Verfahren zum Betreiben eines MIMO Radars
CN105684372B (zh) * 2013-10-16 2019-05-17 英派尔科技开发有限公司 估计信号序列的方法、多输入多输出无线通信系统、无线信号接收系统和计算机可读介质
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US10299261B2 (en) * 2014-08-12 2019-05-21 Lg Electronics Inc. Method and device for downlink multi-user transmission in wireless communication system
JP2016149738A (ja) * 2015-02-10 2016-08-18 日本放送協会 送信装置、受信装置、及び半導体チップ
WO2016155838A1 (en) * 2015-04-02 2016-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Processing of a faster-than-nyquist signaling reception signal
GB2566748B (en) * 2017-09-26 2022-08-17 Focal Point Positioning Ltd A method and system for calibrating a system parameter
CN111525944B (zh) * 2016-06-03 2022-01-18 Oppo广东移动通信有限公司 传输数据的方法和装置
KR101876130B1 (ko) * 2017-06-22 2018-07-06 이화여자대학교 산학협력단 특이값 분해를 이용한 저복잡 네트워크 코딩에 기초하는 네트워크 인코딩 장치 및 방법, 그리고 네트워크 디코딩 장치 및 방법
EP3679493B1 (en) * 2017-09-06 2024-03-13 Cohere Technologies, Inc. Lattice reduction in orthogonal time frequency space modulation
US10727911B2 (en) * 2018-08-20 2020-07-28 Nokia Solutions And Networks Oy Beamforming in MIMO radio networks
US10826731B2 (en) * 2018-09-28 2020-11-03 Huawei Technologies Co., Ltd. Efficient implementation of noise whitening post-compensation for narrowband-filtered signals
US10833900B2 (en) * 2018-12-17 2020-11-10 Lockheed Martin Corporation Joint estimation of communication channel effects in communication receivers
WO2021154320A1 (en) 2020-01-29 2021-08-05 Iyengar Prashanth Systems and methods for resource analysis, optimization, or visualization
CN113779744B (zh) * 2020-06-10 2023-07-18 英业达科技有限公司 决定连续时间线性均衡器设定值之方法
TWI723900B (zh) * 2020-06-16 2021-04-01 英業達股份有限公司 決定連續時間線性等化器設定值之方法
CN117014261B (zh) * 2023-10-07 2024-02-23 之江实验室 一种双极化信道估计实现方法和装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998009381A1 (en) * 1996-08-29 1998-03-05 The Board Of Trustees Of The Leland Stanford Junior University High capacity wireless communication using spatial subchannels

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
KR100229094B1 (ko) * 1996-06-28 1999-11-01 최승원 수신신호에 대한 자기상관행렬의 최대고유치에 대응하는 고유벡터를 이용한 배열 안테나의 신호 처리 방법
WO1998018271A2 (en) * 1996-10-18 1998-04-30 Watkins Johnson Company Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
US6870882B1 (en) * 1999-10-08 2005-03-22 At&T Corp. Finite-length equalization over multi-input multi-output channels
US6975666B2 (en) * 1999-12-23 2005-12-13 Institut National De La Recherche Scientifique Interference suppression in CDMA systems
US6888809B1 (en) * 2000-01-13 2005-05-03 Lucent Technologies Inc. Space-time processing for multiple-input, multiple-output, wireless systems
US20010033622A1 (en) * 2000-03-14 2001-10-25 Joengren George Robust utilization of feedback information in space-time coding
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US7068628B2 (en) * 2000-05-22 2006-06-27 At&T Corp. MIMO OFDM system
US6718184B1 (en) * 2000-09-28 2004-04-06 Lucent Technologies Inc. Method and system for adaptive signal processing for an antenna array
CN100414861C (zh) * 2001-05-25 2008-08-27 明尼苏达大学董事会 无线通信网中的空时编码传输
US6956907B2 (en) 2001-10-15 2005-10-18 Qualcomm, Incorporated Method and apparatus for determining power allocation in a MIMO communication system
US6760388B2 (en) 2001-12-07 2004-07-06 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998009381A1 (en) * 1996-08-29 1998-03-05 The Board Of Trustees Of The Leland Stanford Junior University High capacity wireless communication using spatial subchannels

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ADAPTIVE SPACE-TIME SIGNAL PROCESSING AND CODING, MILCOM 2000, Volume: 2, On page(s): 710-714 vol.2 (2000.10)
Spatial Multiuser Access with Antenna Diversity using Singular Value Decomposition,IEEE Proc. ICC 2000,JOONSUK KIM ET AL(2000.06)

Also Published As

Publication number Publication date
CN101217340B (zh) 2012-09-26
AU2002357783A1 (en) 2003-06-23
US20040234004A1 (en) 2004-11-25
BR0214691A (pt) 2004-12-28
HK1074949A1 (zh) 2005-11-25
TW200301644A (en) 2003-07-01
US8199842B2 (en) 2012-06-12
WO2003050968A2 (en) 2003-06-19
CN1618194A (zh) 2005-05-18
EP1451964A2 (en) 2004-09-01
JP2009189045A (ja) 2009-08-20
JP2010119134A (ja) 2010-05-27
US6760388B2 (en) 2004-07-06
JP2005512447A (ja) 2005-04-28
CN101217340A (zh) 2008-07-09
US20080317158A1 (en) 2008-12-25
TWI258962B (en) 2006-07-21
WO2003050968A3 (en) 2003-10-16
JP5855329B2 (ja) 2016-02-09
CN100364256C (zh) 2008-01-23
JP5855333B2 (ja) 2016-02-09
US20030108117A1 (en) 2003-06-12
US7116725B2 (en) 2006-10-03
KR20040061023A (ko) 2004-07-06
EP1451964B1 (en) 2018-08-29

Similar Documents

Publication Publication Date Title
KR100929992B1 (ko) Ｍｉｍｏ시스템에 대한 특이값 분해를 이용한 시간 도메인송신 및 수신 프로세싱
AU2003243679C1 (en) Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
KR100974120B1 (ko) Ｍｉｍｏ 시스템에서 다중경로 채널을 위한 사전코딩
KR101236330B1 (ko) 광대역 ｍｉｓｏ 및 ｍｉｍｏ 시스템에 대한 주파수 독립 공간 프로세싱
KR20030093346A (ko) 채널 상태 정보를 사용하여 다중-입력 다중-출력 통신시스템에서 데이터를 처리하기 위한 방법 및 장치
US7430245B2 (en) Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
HK1074949B (en) Time-domain transmit and receive processing with channel eigen-mode decomposition for mimo systems
HK1119865A (en) Time-domain transmit and receive processing with channel eigen-mode decomposition for mimo systems

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20040607

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20071203

Comment text: Request for Examination of Application

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20090827

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20091127

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20091127

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20121030

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20121030

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 20131030

Year of fee payment: 5

PR1001 Payment of annual fee

Payment date: 20131030

Start annual number: 5

End annual number: 5

FPAY Annual fee payment

Payment date: 20141030

Year of fee payment: 6

PR1001 Payment of annual fee

Payment date: 20141030

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20161028

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20161028

Start annual number: 8

End annual number: 8

FPAY Annual fee payment

Payment date: 20170929

Year of fee payment: 9

PR1001 Payment of annual fee

Payment date: 20170929

Start annual number: 9

End annual number: 9

FPAY Annual fee payment

Payment date: 20180928

Year of fee payment: 10

PR1001 Payment of annual fee

Payment date: 20180928

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20190924

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20190924

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20210929

Start annual number: 13

End annual number: 13

PC1801 Expiration of term

Termination date: 20230603

Termination category: Expiration of duration