DE60039099D1 - Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Eingängen und mehreren Ausgängen - Google Patents

Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Eingängen und mehreren Ausgängen

Info

Publication number
DE60039099D1
DE60039099D1 DE60039099T DE60039099T DE60039099D1 DE 60039099 D1 DE60039099 D1 DE 60039099D1 DE 60039099 T DE60039099 T DE 60039099T DE 60039099 T DE60039099 T DE 60039099T DE 60039099 D1 DE60039099 D1 DE 60039099D1
Authority
DE
Germany
Prior art keywords
space
input
wireless communication
communication systems
time processing
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
DE60039099T
Other languages
English (en)
Inventor
Gerard Joseph Foschini
Angel Lozano
Farrokh Rashid-Farrokhi
Reinaldo A Valenzuela
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE60039099D1 publication Critical patent/DE60039099D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Noise Elimination (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60039099T 2000-01-13 2000-12-12 Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Eingängen und mehreren Ausgängen Expired - Lifetime DE60039099D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/482,429 US6888809B1 (en) 2000-01-13 2000-01-13 Space-time processing for multiple-input, multiple-output, wireless systems

Publications (1)

Publication Number Publication Date
DE60039099D1 true DE60039099D1 (de) 2008-07-17

Family

ID=23916035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039099T Expired - Lifetime DE60039099D1 (de) 2000-01-13 2000-12-12 Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Eingängen und mehreren Ausgängen

Country Status (9)

Country Link
US (1) US6888809B1 (de)
EP (1) EP1117197B1 (de)
JP (1) JP5008221B2 (de)
KR (1) KR100716397B1 (de)
CN (1) CN1264287C (de)
AU (1) AU1108401A (de)
BR (1) BRPI0100011B1 (de)
CA (1) CA2327611C (de)
DE (1) DE60039099D1 (de)

Families Citing this family (204)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035661B1 (en) * 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
CA2379692A1 (en) 1999-07-20 2001-01-25 Norman F. Krasner Method for determining a change in a communication signal and using this information to improve sps signal reception and processing
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US7433416B1 (en) * 2000-08-02 2008-10-07 Via Telecom Co., Ltd. Method and apparatus for generating transmit adaptive antenna weights with nulling using binary gradient feedback
US7236538B1 (en) 2000-08-02 2007-06-26 Via Telecom Co., Ltd. Method and apparatus for improving transmit antenna weight tracking using channel correlations in a wireless communication system
US6778612B1 (en) 2000-08-18 2004-08-17 Lucent Technologies Inc. Space-time processing for wireless systems with multiple transmit and receive antennas
US6937592B1 (en) * 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US7339955B2 (en) * 2000-09-25 2008-03-04 Pulse-Link, Inc. TDMA communication method and apparatus using cyclic spreading codes
US6567387B1 (en) * 2000-11-07 2003-05-20 Intel Corporation System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US20020136287A1 (en) * 2001-03-20 2002-09-26 Heath Robert W. Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system
US7027523B2 (en) * 2001-06-22 2006-04-11 Qualcomm Incorporated Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
FR2828034B1 (fr) * 2001-07-25 2005-06-10 Nortel Networks Ltd Station radio a diversite d'emission en boucle fermee, et procede de controle d'emission d'une telle station
US7149254B2 (en) * 2001-09-06 2006-12-12 Intel Corporation Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems
EP2521284B1 (de) 2001-09-12 2016-04-27 Intel Deutschland GmbH Drahtlose CDMA-Systeme
US20030067890A1 (en) * 2001-10-10 2003-04-10 Sandesh Goel System and method for providing automatic re-transmission of wirelessly transmitted information
US7181167B2 (en) * 2001-11-21 2007-02-20 Texas Instruments Incorporated High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing
US7336719B2 (en) * 2001-11-28 2008-02-26 Intel Corporation System and method for transmit diversity base upon transmission channel delay spread
SG153656A1 (en) 2001-11-29 2009-07-29 Interdigital Tech Corp Efficient multiple input multiple output system for multi-path fading channels
JP4084305B2 (ja) * 2001-12-03 2008-04-30 テレフオンアクチーボラゲット エル エム エリクソン（パブル） アプリケーションに関連するリンク適応処理と送信電力制御のための方法
US7154936B2 (en) * 2001-12-03 2006-12-26 Qualcomm, Incorporated Iterative detection and decoding for a MIMO-OFDM system
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
KR100795824B1 (ko) * 2001-12-08 2008-01-17 주식회사 세스텍 안테나 어레이를 구비한 통신시스템에서 다이버시티이득을 얻기 위한 신호 처리 방법 및 장치
JP4052835B2 (ja) * 2001-12-28 2008-02-27 株式会社日立製作所 多地点中継を行う無線伝送システム及びそれに使用する無線装置
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
KR100474651B1 (ko) * 2002-02-04 2005-03-08 오성근 송신 다이버시티 사전 결합 방식과 최적 트렐리스 부호화방식을 이용한 단일 캐리어 및 다중 캐리어 미모 시스템
US20030162519A1 (en) * 2002-02-26 2003-08-28 Martin Smith Radio communications device
KR100550719B1 (ko) * 2002-03-21 2006-02-08 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 신호처리 장치 및 방법
KR100464014B1 (ko) * 2002-03-21 2004-12-30 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법
KR100475177B1 (ko) * 2002-03-21 2005-03-09 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 개루프 신호 처리장치 및 방법
KR100541284B1 (ko) 2002-03-21 2006-01-10 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 신호 처리 방법
US7012978B2 (en) * 2002-03-26 2006-03-14 Intel Corporation Robust multiple chain receiver
US7197084B2 (en) 2002-03-27 2007-03-27 Qualcomm Incorporated Precoding for a multipath channel in a MIMO system
WO2003090370A1 (en) * 2002-04-22 2003-10-30 Cognio, Inc. Multiple-input multiple-output radio transceiver
WO2003103201A1 (fr) * 2002-05-31 2003-12-11 Linkair Communications,Inc. Procede et appareil permettant de recevoir un signal d'un systeme a acces multiple par code de repartition a plusieurs entrees/plusieurs sorties (amcr mimo)
US20030235252A1 (en) * 2002-06-19 2003-12-25 Jose Tellado Method and system of biasing a timing phase estimate of data segments of a received signal
JP3751265B2 (ja) * 2002-06-20 2006-03-01 松下電器産業株式会社 無線通信システムおよびスケジューリング方法
KR100548312B1 (ko) * 2002-06-20 2006-02-02 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 신호 처리 방법
DE60322541D1 (de) * 2002-06-21 2008-09-11 Qualcomm Inc Zwischenverstärker für drahtlose lokale netzwerke
ES2318176T3 (es) * 2002-07-30 2009-05-01 Ipr Licensing Inc. Sistema y metodo de comunicacion por radio con multiple entrada multiple salida (mimo).
JP3677492B2 (ja) 2002-07-31 2005-08-03 松下電器産業株式会社 マルチキャリア送信装置およびマルチキャリア送信方法
US7130662B2 (en) 2002-08-01 2006-10-31 Interdigital Technology Corporation Simple smart-antenna system for MUD-enabled cellular networks
KR100550769B1 (ko) * 2002-08-19 2006-02-08 엘지전자 주식회사 다중 입출력 통신 시스템에서의 신호 처리 방법
KR100550720B1 (ko) * 2002-08-19 2006-02-08 엘지전자 주식회사 다중 입출력 통신 시스템의 신호처리 장치 및 방법
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
JP3679075B2 (ja) 2002-09-13 2005-08-03 松下電器産業株式会社 無線送信装置および無線送信方法
DE60330167D1 (de) * 2002-09-30 2009-12-31 Koninkl Philips Electronics Nv Übertragungsverfahren und einrichtung
US8885688B2 (en) 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
US7151809B2 (en) * 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8170513B2 (en) * 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8169944B2 (en) * 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
CN101242214B (zh) * 2002-10-25 2012-09-05 高通股份有限公司 无线多输入多输出通信***内生成导频的方法
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
KR100538024B1 (ko) * 2002-11-08 2005-12-20 한국전자통신연구원 무선 송수신 시스템 및 그 송수신 방법
AU2003284444A1 (en) 2002-11-26 2004-06-18 Matsushita Electric Industrial Co., Ltd. Communication method, transmitter apparatus and receiver apparatus
KR100511559B1 (ko) * 2002-11-28 2005-08-31 한국전자통신연구원 시변 채널 왜곡 제거 기능을 가지는 주파수 분할 다중시스템에서의 송수신 방법
EP1445886B1 (de) * 2003-01-31 2015-05-20 Ntt Docomo, Inc. Mehreingang-Mehrausgang (MIMO) Kommunikationssystem, MIMO Empfänger und Verfahren zum MIMO Empfang
US7822140B2 (en) * 2003-03-17 2010-10-26 Broadcom Corporation Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining
US7983355B2 (en) * 2003-07-09 2011-07-19 Broadcom Corporation System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems
US7391832B2 (en) * 2003-03-17 2008-06-24 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
US8185075B2 (en) * 2003-03-17 2012-05-22 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
KR100942645B1 (ko) * 2003-04-29 2010-02-17 엘지전자 주식회사 이동통신 시스템에서의 신호전송 방법 및 장치
FR2854995B1 (fr) 2003-05-14 2005-07-29 Nortel Networks Ltd Modulateur et demodulateur a etalement de spectre
KR100950640B1 (ko) * 2003-06-13 2010-04-01 삼성전자주식회사 폐순환 전송 다이버시티 시스템에서의 안테나 가중치 결정방법 및 장치
US8391322B2 (en) 2003-07-09 2013-03-05 Broadcom Corporation Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
EP1656757A4 (de) 2003-07-21 2011-12-28 Broadcom Corp Gewichtserzeugungsverfahren für kommunikationssysteme mit mehreren antennen unter verwendung einer hf-gestützten und basisband-signalgewichtung und kombinierung auf der basis einer minimalbitfehlerrate
KR100981571B1 (ko) * 2003-07-26 2010-09-10 삼성전자주식회사 다중 입력 다중 출력 적응 안테나 어레이 방식을 사용하는이동 통신 시스템에서 신호 송수신 시스템 및 방법
US7394858B2 (en) * 2003-08-08 2008-07-01 Intel Corporation Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
US7668125B2 (en) * 2003-09-09 2010-02-23 Qualcomm Incorporated Incremental redundancy transmission for multiple parallel channels in a MIMO communication system
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
CN1890895B (zh) 2003-12-05 2010-04-28 三星电子株式会社 闭环多路输入多路输出移动通信***中通过选择的特征向量发送数据的装置和方法
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
US7336746B2 (en) 2004-12-09 2008-02-26 Qualcomm Incorporated Data transmission with spatial spreading in a MIMO communication system
KR100690872B1 (ko) 2004-01-20 2007-03-09 엘지전자 주식회사 폐루프 ｍｉｍｏ 시스템의 신호 전송 방법
ATE532275T1 (de) 2004-02-11 2011-11-15 Lg Electronics Inc Verfahren und system zum senden und empfangen von datenströmen
KR101012369B1 (ko) * 2004-02-12 2011-02-09 엘지전자 주식회사 다수의 안테나를 이용한 데이터 송신 및 수신 방법
KR100626214B1 (ko) * 2004-02-12 2006-09-20 재단법인서울대학교산학협력재단 다중 안테나 및 랜덤 다중 빔을 이용한 다중 사용자 무선송수신 방법 및 장치
US8169889B2 (en) 2004-02-18 2012-05-01 Qualcomm Incorporated Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
US7570722B1 (en) 2004-02-27 2009-08-04 Marvell International Ltd. Carrier frequency offset estimation for OFDM systems
EP1704655B1 (de) * 2004-03-11 2008-07-02 NTT DoCoMo, Inc. Vorrichtung zum vergeben von informationen und leistung an subkanäle eines kanals und verfahren zum vergeben von informationen und leistung an subkanäle eines kanals
JP4000123B2 (ja) * 2004-03-15 2007-10-31 株式会社東芝 無線送信装置及び方法
US11394436B2 (en) 2004-04-02 2022-07-19 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
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)
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
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
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
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US8654815B1 (en) 2004-04-02 2014-02-18 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
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
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
CN100561884C (zh) * 2004-04-14 2009-11-18 Ut斯达康通讯有限公司 基于分布式发射源的多输入多输出通信方式
US8923785B2 (en) 2004-05-07 2014-12-30 Qualcomm Incorporated Continuous beamforming for a MIMO-OFDM system
KR100754722B1 (ko) * 2004-05-12 2007-09-03 삼성전자주식회사 무선 통신 시스템에서 채널 상태 정보를 이용한 데이터송수신 장치 및 방법
CN100461650C (zh) * 2004-06-01 2009-02-11 美国博通公司 非对称多入多出无线通信
WO2005122696A2 (en) * 2004-06-18 2005-12-29 Stellaris Ltd. Distributed antenna wlan access-point system and method
CN100362772C (zh) * 2004-06-29 2008-01-16 华为技术有限公司 一种多输入多输出***的接收机
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
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
US9685997B2 (en) * 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
FR2873878A1 (fr) 2004-08-02 2006-02-03 Nortel Networks Ltd Procede d'emission radio a diversite spatiale et emetteur radio mettant en oeuvre le procede
JP4744965B2 (ja) 2004-08-09 2011-08-10 パナソニック株式会社 無線通信装置
JP3754441B1 (ja) 2004-09-10 2006-03-15 三洋電機株式会社 受信方法ならびに装置およびそれを利用した通信システム
US7433434B2 (en) * 2004-10-01 2008-10-07 General Dynamics C4 Systems, Inc. Communication channel tracking apparatus
US7139328B2 (en) * 2004-11-04 2006-11-21 Motorola, Inc. Method and apparatus for closed loop data transmission
US20060140294A1 (en) * 2004-11-05 2006-06-29 Nokia Corporation Block modulation
JP4464836B2 (ja) * 2005-01-14 2010-05-19 パナソニック株式会社 マルチアンテナ通信装置の通信方法及びマルチアンテナ通信装置
KR100679028B1 (ko) 2005-01-31 2007-02-05 삼성전자주식회사 다중 입력 다중 출력 통신 장치 및 다중 입력 다중 출력통신 장치의 채널 스캐닝 방법
US8995547B2 (en) * 2005-03-11 2015-03-31 Qualcomm Incorporated Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates
US8724740B2 (en) 2005-03-11 2014-05-13 Qualcomm Incorporated Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates
CN1838653A (zh) * 2005-03-24 2006-09-27 松下电器产业株式会社 低功耗通信装置、低功耗多天线通信***及其操作方法
CN1841960B (zh) * 2005-03-31 2010-06-23 西门子（中国）有限公司 分布式天线***中的下行链路数据流分配方法
US20060240784A1 (en) * 2005-04-22 2006-10-26 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US7986680B2 (en) 2005-04-28 2011-07-26 Qualcomm Incorporated Transmit format selection with consideration for resource reuse
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US20070071147A1 (en) * 2005-06-16 2007-03-29 Hemanth Sampath Pseudo eigen-beamforming with dynamic beam selection
US8498669B2 (en) * 2005-06-16 2013-07-30 Qualcomm Incorporated Antenna array calibration for wireless communication systems
KR100704676B1 (ko) 2005-06-24 2007-04-06 한국전자통신연구원 이동통신 시스템에서 전송 안테나의 전력 할당을 제어하는다이버서티 전송 방법 및 기지국 전송기
RU2382497C2 (ru) * 2005-06-30 2010-02-20 Нокиа Корпорейшн Устройство, способ и компьютерный программный продукт, обеспечивающие работу передающей антенны с обратной связью для систем, использующих множество антенн
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US8073068B2 (en) 2005-08-22 2011-12-06 Qualcomm Incorporated Selective virtual antenna transmission
US7949067B2 (en) * 2005-10-05 2011-05-24 Nxp B.V. Individual interleaving of data streams for MIMO transmission
US8760994B2 (en) * 2005-10-28 2014-06-24 Qualcomm Incorporated Unitary precoding based on randomized FFT matrices
US8280430B2 (en) * 2005-11-02 2012-10-02 Qualcomm Incorporated Antenna array calibration for multi-input multi-output wireless communication systems
US9118111B2 (en) * 2005-11-02 2015-08-25 Qualcomm Incorporated Antenna array calibration for wireless communication systems
BRPI0618184A2 (pt) * 2005-11-02 2011-08-23 Qualcomm Inc calibragem de arranjo de antenas para sistemas de comunicação sem fio por múltiplas-entradas e múltiplas-saìdas
CN1968043A (zh) * 2005-11-16 2007-05-23 松下电器产业株式会社 发送分集方法和mimo通信***
KR100675205B1 (ko) 2006-01-25 2007-01-29 삼성전기주식회사 다중입력 다중출력의 안테나 선택 시스템 및 그 방법
EP1983781B1 (de) 2006-02-08 2014-12-24 Fujitsu Ltd. Drahtloses kommunikationssystem mit einer mehrantennen-übertragungstechnnik
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
KR100950645B1 (ko) * 2006-03-03 2010-04-01 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 이동 통신시스템에서 신호 송수신 장치 및 방법
EP2642675B1 (de) * 2006-03-20 2018-03-14 Fujitsu Limited Basisstation, Mobilstation, und MIMO-OFDM-Kommunikationsverfahren dafür
US8543070B2 (en) 2006-04-24 2013-09-24 Qualcomm Incorporated Reduced complexity beam-steered MIMO OFDM system
JP4924107B2 (ja) * 2006-04-27 2012-04-25 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
JP4924106B2 (ja) * 2006-04-27 2012-04-25 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
JP4752602B2 (ja) * 2006-05-15 2011-08-17 株式会社日立製作所 Ｍｉｍｏ無線通信方法およびｍｉｍｏ無線通信装置
US8290089B2 (en) 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
RU2417527C2 (ru) * 2006-09-06 2011-04-27 Квэлкомм Инкорпорейтед Перестановка кодовых слов и уменьшенная обратная связь для сгруппированных антенн
CN101595657B (zh) 2006-09-21 2014-07-09 高通股份有限公司 用于缓解中继器之间的振荡的方法和装置
KR20090074812A (ko) * 2006-10-26 2009-07-07 퀄컴 인코포레이티드 빔 형성기를 이용한 다중 입력 다중 출력을 위한 중계기 기술
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
US8040856B2 (en) * 2006-12-04 2011-10-18 Samsung Electronics Co., Ltd. System and method for wireless communication of uncompressed high definition video data using a beamforming acquisition protocol
US7933345B2 (en) * 2006-12-20 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for determining combining weights for MIMO receivers
US20080273452A1 (en) * 2007-05-04 2008-11-06 Farooq Khan Antenna mapping in a MIMO wireless communication system
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
KR101306713B1 (ko) * 2007-08-14 2013-09-11 엘지전자 주식회사 다중 안테나 시스템에서 피드백 방법 및 코드북 구성 방법
US8989155B2 (en) * 2007-08-20 2015-03-24 Rearden, Llc Systems and methods for wireless backhaul in distributed-input distributed-output wireless systems
US8270515B2 (en) * 2007-09-06 2012-09-18 Alcatel Lucent Providing feedback in a MIMO system
KR101373951B1 (ko) * 2008-01-30 2014-03-13 엘지전자 주식회사 다중안테나 시스템에서 프리코딩 정보 전송방법
KR101529736B1 (ko) 2008-03-05 2015-06-29 엘지전자 주식회사 다중 안테나 시스템에서 데이터 전송 방법
US9225575B2 (en) * 2008-06-18 2015-12-29 Center Of Excellence In Wireless Technology Precoding for single transmission streams in multiple antenna systems
KR101567078B1 (ko) * 2008-06-26 2015-11-09 엘지전자 주식회사 다중안테나를 이용한 데이터 전송장치 및 방법
KR101467586B1 (ko) * 2008-06-26 2014-12-02 엘지전자 주식회사 무선통신 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법
KR101534349B1 (ko) * 2008-06-26 2015-07-10 엘지전자 주식회사 Ｓｔｂｃ 기법을 이용한 데이터 전송방법
KR101507170B1 (ko) * 2008-06-26 2015-03-31 엘지전자 주식회사 Ｓｃ-ｆｄｍａ 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법
KR101497154B1 (ko) * 2008-06-26 2015-03-02 엘지전자 주식회사 Ｓｃ-ｆｄｍａ 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법
KR101440628B1 (ko) * 2008-08-11 2014-09-17 엘지전자 주식회사 Ｓｃ-ｆｄｍａ 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법
KR100992503B1 (ko) * 2008-08-11 2010-11-08 재단법인서울대학교산학협력재단 무선 통신 시스템에서 고유 안테나 기법을 이용한 신호 전송 장치 및 그 방법
KR101019338B1 (ko) * 2008-09-30 2011-03-07 주식회사 세아네트웍스 데이터 송수신 방법과 이를 지원하는 장치
KR101582685B1 (ko) * 2008-12-03 2016-01-06 엘지전자 주식회사 다중안테나를 이용한 데이터 전송장치 및 방법
US8305921B2 (en) * 2009-04-03 2012-11-06 Quantenna Communications, Inc. Channel selection and interference suppression
ES2487621T3 (es) 2009-05-06 2014-08-22 Tesat Spacecom Gmbh & Co. Kg Dispositivo híbrido de comunicación para una transmisión de datos de alta velocidad entre plataformas móviles y/o plataformas estacionarias
US20110142181A1 (en) * 2009-11-09 2011-06-16 Amir Leshem Communication system
EP2645653B1 (de) * 2012-03-30 2016-03-30 NTT DoCoMo, Inc. Übertragungsfilterrechner, Kommunikationsvorrichtung und Verfahren
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
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
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
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
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
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
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
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
CN103199907B (zh) * 2013-03-27 2016-08-10 四川大学 预信道mimo无线发射装置及信号发射方法
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
CA169788S (en) 2016-08-05 2017-03-27 Norwood Ind Inc Portable sawmill
CA169787S (en) 2016-08-05 2017-03-27 Norwood Ind Inc Portable sawmill
CA169786S (en) 2016-08-05 2017-03-27 Norwood Ind Inc Portable sawmill
KR102570773B1 (ko) 2017-01-05 2023-08-25 삼성전자 주식회사 복수의 무선 신호들을 컴바이닝하는 방법 및 장치
US10334515B2 (en) 2017-01-13 2019-06-25 ENK Wireless, Inc. Conveying information via auxiliary device selection
US10804998B2 (en) 2018-05-07 2020-10-13 ENK Wireless, Inc. Systems/methods of providing increased wireless capacity, vehicular safety, electrical power wirelessly, and device control responsive to geographic position
US10681716B2 (en) 2018-05-07 2020-06-09 ENK Wireless, Inc. Systems/methods of providing increased wireless capacity, vehicular safety, electrical power wirelessly, and device control responsive to geographic position
US11100796B2 (en) 2018-05-07 2021-08-24 ENK Wireless, Inc. Systems/methods of improving vehicular safety
US11075740B2 (en) 2018-05-07 2021-07-27 ENK Wireless, Inc. Systems/methods of communications using a plurality of cooperative devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
US5471647A (en) 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
EP0807989B1 (de) 1996-05-17 2001-06-27 Motorola Ltd Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges
DE69725995T2 (de) 1996-08-29 2004-11-11 Cisco Technology, Inc., San Jose Raumzeitliche signalverarbeitung für übertragungssysteme
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
US6317466B1 (en) * 1998-04-15 2001-11-13 Lucent Technologies Inc. Wireless communications system having a space-time architecture employing multi-element antennas at both the transmitter and receiver
US6351499B1 (en) * 1999-12-15 2002-02-26 Iospan Wireless, Inc. Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter

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