FR2938990B1 - Procede et dispositif de pointage d'antenne - Google Patents

Procede et dispositif de pointage d'antenne

Info

Publication number
FR2938990B1
FR2938990B1 FR0858069A FR0858069A FR2938990B1 FR 2938990 B1 FR2938990 B1 FR 2938990B1 FR 0858069 A FR0858069 A FR 0858069A FR 0858069 A FR0858069 A FR 0858069A FR 2938990 B1 FR2938990 B1 FR 2938990B1
Authority
FR
France
Prior art keywords
antenna pointing
pointing
antenna
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 - Fee Related
Application number
FR0858069A
Other languages
English (en)
Other versions
FR2938990A1 (fr
Inventor
Bars Philippe Le
Houerou Brice Le
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to FR0858069A priority Critical patent/FR2938990B1/fr
Priority to US12/626,730 priority patent/US8457096B2/en
Publication of FR2938990A1 publication Critical patent/FR2938990A1/fr
Application granted granted Critical
Publication of FR2938990B1 publication Critical patent/FR2938990B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0851—Joint weighting using training sequences or error signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
FR0858069A 2008-11-27 2008-11-27 Procede et dispositif de pointage d'antenne Expired - Fee Related FR2938990B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0858069A FR2938990B1 (fr) 2008-11-27 2008-11-27 Procede et dispositif de pointage d'antenne
US12/626,730 US8457096B2 (en) 2008-11-27 2009-11-27 Beam steering in a mesh network with repetitions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0858069A FR2938990B1 (fr) 2008-11-27 2008-11-27 Procede et dispositif de pointage d'antenne

Publications (2)

Publication Number Publication Date
FR2938990A1 FR2938990A1 (fr) 2010-05-28
FR2938990B1 true FR2938990B1 (fr) 2011-01-21

Family

ID=40849295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0858069A Expired - Fee Related FR2938990B1 (fr) 2008-11-27 2008-11-27 Procede et dispositif de pointage d'antenne

Country Status (2)

Country Link
US (1) US8457096B2 (fr)
FR (1) FR2938990B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952268B1 (fr) * 2009-10-30 2011-12-09 Canon Kk Procede et dispositif de gestion de communications dans un reseau sans fil, produit programme d'ordinateur et moyen de stockage correspondants.
US9338041B1 (en) 2015-07-24 2016-05-10 Tm Ip Holdings, Llc Extracting carrier signals from modulated signals
US9338042B1 (en) * 2015-07-27 2016-05-10 Tm Ip Holdings, Llc Separating and extracting modulated signals
GB2551327B (en) * 2016-06-10 2020-02-19 Bluwireless Tech Ltd Clock synchronisation in wireless mesh communications networks
GB2551328B (en) * 2016-06-10 2020-02-19 Bluwireless Tech Ltd Clock synchronisation in wireless mesh communications networks
US9882764B1 (en) 2017-04-13 2018-01-30 Tm Ip Holdings, Llc Transpositional modulation
US10578709B1 (en) 2017-04-20 2020-03-03 Tm Ip Holdings, Llc Transpositional modulation for defensive measures
US10341161B2 (en) 2017-07-10 2019-07-02 Tm Ip Holdings, Llc Multi-dimensional signal encoding
US10594539B2 (en) 2018-06-05 2020-03-17 Tm Ip Holdings, Llc Transpositional modulation and demodulation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315420C1 (de) * 1993-04-16 1994-05-26 Siemens Ag Verfahren zum Umsetzen digitaler Datenströme mit ATM-Zellenstruktur
JP3718337B2 (ja) * 1998-01-08 2005-11-24 株式会社東芝 適応可変指向性アンテナ
US7039120B1 (en) 1998-11-30 2006-05-02 Canon Kabushiki Kaisha Device and method for the dynamic allocation of frequencies for multicarrier modulation systems
FR2837647B1 (fr) 2002-03-25 2006-11-24 Canon Kk Emetteur sans fil a consommation de puissance reduite
KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
FR2875359B1 (fr) 2004-09-16 2006-11-24 Canon Europa Nv Naamlooze Venn Dispositifs et procedes de modulation et demodulation permettant le prolongement ou le remplacement d'un lien de communication, emetteur et recepteur correspondants
US7634694B2 (en) * 2004-10-15 2009-12-15 Standard Microsystems Corporation Selective scrambler for use in a communication system and method to minimize bit error at the receiver
KR101009781B1 (ko) * 2006-07-11 2011-01-19 삼성전자주식회사 통신 시스템에서 캘리브레이션 장치 및 방법
US8379738B2 (en) * 2007-03-16 2013-02-19 Samsung Electronics Co., Ltd. Methods and apparatus to improve performance and enable fast decoding of transmissions with multiple code blocks
CN101682386A (zh) * 2007-06-11 2010-03-24 皇家飞利浦电子股份有限公司 用于模拟波束形成的方法、发射站和接收站
US7825856B2 (en) * 2007-08-21 2010-11-02 Cisco Technology, Inc. Low complexity blind beamforming weight estimation
US7714781B2 (en) * 2007-09-05 2010-05-11 Samsung Electronics Co., Ltd. Method and system for analog beamforming in wireless communication systems

Also Published As

Publication number Publication date
US8457096B2 (en) 2013-06-04
US20100128713A1 (en) 2010-05-27
FR2938990A1 (fr) 2010-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140731