DE69912734D1 - Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne - Google Patents

Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne

Info

Publication number
DE69912734D1
DE69912734D1 DE69912734T DE69912734T DE69912734D1 DE 69912734 D1 DE69912734 D1 DE 69912734D1 DE 69912734 T DE69912734 T DE 69912734T DE 69912734 T DE69912734 T DE 69912734T DE 69912734 D1 DE69912734 D1 DE 69912734D1
Authority
DE
Germany
Prior art keywords
weighting
generating
transmission antenna
antenna
transmission
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
DE69912734T
Other languages
English (en)
Other versions
DE69912734T2 (de
Inventor
Espax Francesc Boixadera
Yann Farmine
Nicholas Whinnett
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.)
Motorola Mobility LLC
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69912734D1 publication Critical patent/DE69912734D1/de
Publication of DE69912734T2 publication Critical patent/DE69912734T2/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
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • 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
    • 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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04L27/2614—Peak power aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transmitters (AREA)
DE69912734T 1999-03-12 1999-03-12 Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne Expired - Lifetime DE69912734T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99400609A EP1037303B1 (de) 1999-03-12 1999-03-12 Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne

Publications (2)

Publication Number Publication Date
DE69912734D1 true DE69912734D1 (de) 2003-12-18
DE69912734T2 DE69912734T2 (de) 2004-05-27

Family

ID=8241915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69912734T Expired - Lifetime DE69912734T2 (de) 1999-03-12 1999-03-12 Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne

Country Status (6)

Country Link
US (1) US6373433B1 (de)
EP (1) EP1037303B1 (de)
JP (1) JP4220648B2 (de)
CA (1) CA2300449C (de)
DE (1) DE69912734T2 (de)
ES (1) ES2212484T3 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI980725A (fi) * 1998-03-31 1999-10-01 Nokia Networks Oy Menetelmä parantaa radioyhteyden laatua solukkoradioverkossa
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US6937665B1 (en) * 1999-04-19 2005-08-30 Interuniversitaire Micron Elektronica Centrum Method and apparatus for multi-user transmission
US6831943B1 (en) * 1999-08-13 2004-12-14 Texas Instruments Incorporated Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
KR100493068B1 (ko) * 2000-03-08 2005-06-02 삼성전자주식회사 이동통신시스템에서 피드백 정보를 이용하는 반맹목적방식의 송신안테나어레이 장치 및 방법
KR100493150B1 (ko) * 2000-04-10 2005-06-02 삼성전자주식회사 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법
US8339935B2 (en) 2000-09-01 2012-12-25 Apple Inc. Adaptive time diversity and spatial diversity for OFDM
US6985434B2 (en) * 2000-09-01 2006-01-10 Nortel Networks Limited Adaptive time diversity and spatial diversity for OFDM
US6611675B1 (en) * 2000-09-26 2003-08-26 Nokia Mobile Phone Ltd. Antenna verification method for advanced closed loop mode-one transmitter antenna diversity
ES2201990T3 (es) 2000-11-20 2004-04-01 Sony International (Europe) Gmbh Sistema de modf con diversidad de antenas en el transmisor y ecualizacion previa.
ATE554578T1 (de) * 2000-11-20 2012-05-15 Sony Deutschland Gmbh Adaptive unterträgerbelastung
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US20030002471A1 (en) * 2001-03-06 2003-01-02 Crawford James A. Method for estimating carrier-to-noise-plus-interference ratio (CNIR) for OFDM waveforms and the use thereof for diversity antenna branch selection
GB2373973B (en) * 2001-03-30 2003-06-11 Toshiba Res Europ Ltd Adaptive antenna
JP3801460B2 (ja) * 2001-04-19 2006-07-26 松下電器産業株式会社 基地局装置及び無線通信方法
JP3808336B2 (ja) * 2001-08-09 2006-08-09 日本電信電話株式会社 適応アンテナ送信装置及びその制御方法
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
JP3997890B2 (ja) 2001-11-13 2007-10-24 松下電器産業株式会社 送信方法及び送信装置
JP3637965B2 (ja) * 2001-11-22 2005-04-13 日本電気株式会社 無線通信システム
GB2386519B (en) * 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Adaptive Multicarrier Communication
US7103325B1 (en) 2002-04-05 2006-09-05 Nortel Networks Limited Adaptive modulation and coding
KR100533018B1 (ko) * 2002-08-06 2005-12-02 엘지전자 주식회사 송신 다이버시티 최적화 방법 및 시스템
FR2843503B1 (fr) * 2002-08-08 2004-10-15 Thomson Licensing Sa Procede de reglage pour recepteur de signaux transmis par salves et recepteurs correspondants
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
JP4010225B2 (ja) * 2002-10-30 2007-11-21 日本電気株式会社 アレーアンテナ送受信装置
US7286481B2 (en) * 2002-12-17 2007-10-23 Intel Corporation Wireless network adapted to transmit channel side information and method thereof
US7460876B2 (en) 2002-12-30 2008-12-02 Intel Corporation System and method for intelligent transmitted power control scheme
US7822140B2 (en) * 2003-03-17 2010-10-26 Broadcom Corporation Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining
US8185075B2 (en) * 2003-03-17 2012-05-22 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
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
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
KR100943624B1 (ko) 2003-09-15 2010-02-24 삼성전자주식회사 직교 주파수 분할 다중 통신 시스템에서 동적 자원 할당장치 및 방법
US7586989B2 (en) * 2005-11-22 2009-09-08 Samsung Electronics Co., Ltd. Method and system for generating beam-forming weights in an orthogonal frequency division multiplexing network
WO2007129944A1 (en) * 2006-05-09 2007-11-15 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for improved single cell adaption due to change in environment.
CN101316130B (zh) * 2007-06-01 2014-06-11 中国移动通信集团公司 闭环模式下共用天线系统和方法
JP5436703B2 (ja) * 2013-01-29 2014-03-05 京セラ株式会社 無線基地局および無線通信方法
KR102349455B1 (ko) * 2018-01-19 2022-01-10 삼성전자주식회사 무선통신시스템에서 신호를 송수신하는 방법 및 장치
KR101958163B1 (ko) * 2019-01-02 2019-07-04 알에프코어 주식회사 웨이트들의 보정을 위한 신호 검출기를 포함하는 빔포머, 빔포머를 포함하는 무선 송신 및 수신 장치, 그리고 빔포머를 포함하는 무선 송신 및 수신 장치의 동작 방법
CN116886135B (zh) * 2023-09-04 2023-11-10 思腾合力(天津)科技有限公司 基于方向调制的多载波信号生成方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
EP0595247B1 (de) * 1992-10-28 1998-07-15 Atr Optical And Radio Communications Research Laboratories Vorrichtung und Verfahren zur Steuerung einer Gruppenantenne mit einer Vielzahl von Antennenelementen
GB2309616B (en) * 1996-01-27 2000-05-17 Motorola Ltd A space division multiple access radio communication system and method for allocating channels therein
GB2313261B (en) * 1996-05-17 2000-08-30 Motorola Ltd Devices for transmitter path weights and methods therefor
US6175550B1 (en) * 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
US6067324A (en) * 1998-06-30 2000-05-23 Motorola, Inc. Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression

Also Published As

Publication number Publication date
US6373433B1 (en) 2002-04-16
DE69912734T2 (de) 2004-05-27
EP1037303B1 (de) 2003-11-12
CA2300449C (en) 2008-04-08
CA2300449A1 (en) 2000-09-12
EP1037303A1 (de) 2000-09-20
ES2212484T3 (es) 2004-07-16
JP4220648B2 (ja) 2009-02-04
JP2000269869A (ja) 2000-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US