ATE550857T1 - Verfahren zum dynamischen steuern der fokussierung eines vorentzerrten zeitumkehrsignals - Google Patents

Verfahren zum dynamischen steuern der fokussierung eines vorentzerrten zeitumkehrsignals

Info

Publication number
ATE550857T1
ATE550857T1 AT09769544T AT09769544T ATE550857T1 AT E550857 T1 ATE550857 T1 AT E550857T1 AT 09769544 T AT09769544 T AT 09769544T AT 09769544 T AT09769544 T AT 09769544T AT E550857 T1 ATE550857 T1 AT E550857T1
Authority
AT
Austria
Prior art keywords
destination
communicating entity
antenna
source
time reversal
Prior art date
Application number
AT09769544T
Other languages
English (en)
Inventor
Huy Dinh Phan
Joe Wiart
Youmni Ziade
Jean-Philippe Desbat
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE550857T1 publication Critical patent/ATE550857T1/de

Links

Classifications

    • 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
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AT09769544T 2008-06-27 2009-06-26 Verfahren zum dynamischen steuern der fokussierung eines vorentzerrten zeitumkehrsignals ATE550857T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0854358A FR2933252A1 (fr) 2008-06-27 2008-06-27 Procede de controle dynamique de la focalisation d'un signal pre-egalise par retournement temporel
PCT/FR2009/051237 WO2009156703A2 (fr) 2008-06-27 2009-06-26 Procede de contrôle dynamique de la focalisation d'un signal pre-egalise par retournement temporel

Publications (1)

Publication Number Publication Date
ATE550857T1 true ATE550857T1 (de) 2012-04-15

Family

ID=40599964

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09769544T ATE550857T1 (de) 2008-06-27 2009-06-26 Verfahren zum dynamischen steuern der fokussierung eines vorentzerrten zeitumkehrsignals

Country Status (7)

Country Link
US (1) US8457217B2 (de)
EP (1) EP2316208B1 (de)
CN (1) CN102138309B (de)
AT (1) ATE550857T1 (de)
ES (1) ES2384151T3 (de)
FR (1) FR2933252A1 (de)
WO (1) WO2009156703A2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2316207B1 (de) * 2008-06-27 2013-12-04 Orange Verfahren zur schätzung der qualität des fokussierens eines vorentzerrten zeitumkehr-signals
US10447094B2 (en) 2016-05-03 2019-10-15 Origin Wireless, Inc. Method, system, and apparatus for wireless power transmission based on power waveforming
US10168414B2 (en) 2014-07-17 2019-01-01 Origin Wireless, Inc. Wireless signals and techniques for determining locations of objects in multi-path environments
US10440705B2 (en) 2012-12-05 2019-10-08 Origin Wireless, Inc. Method, apparatus, server, and systems of time-reversal technology
US10609711B1 (en) 2015-03-05 2020-03-31 Origin Wireless, Inc. Time-reversal scalability for high network densification
US9883511B1 (en) 2012-12-05 2018-01-30 Origin Wireless, Inc. Waveform design for time-reversal systems
US10014982B1 (en) 2015-01-22 2018-07-03 Origin Wireless, Inc. Time-reversal technologies for hybrid wireless networks
US9686054B2 (en) 2014-07-17 2017-06-20 Origin Wireless, Inc. Joint waveform design and interference pre-cancellation for time-reversal systems
US9226304B2 (en) 2014-03-10 2015-12-29 Origin Wireless, Inc. Time-reversal wireless paradigm for internet of things
US10291460B2 (en) 2012-12-05 2019-05-14 Origin Wireless, Inc. Method, apparatus, and system for wireless motion monitoring
US11025475B2 (en) 2012-12-05 2021-06-01 Origin Wireless, Inc. Method, apparatus, server, and systems of time-reversal technology
US9882675B2 (en) 2013-08-16 2018-01-30 Origin Wireless, Inc. Time-reversal wireless systems having asymmetric architecture
US9559874B2 (en) 2013-08-16 2017-01-31 Origin Wireless, Inc. Multiuser time-reversal division multiple access uplink system with parallel interference cancellation
US9887864B1 (en) 2014-03-10 2018-02-06 Origin Wireless, Inc. Methods, devices and systems of heterogeneous time-reversal paradigm enabling direct connectivity in internet of things
US9407306B2 (en) 2014-04-25 2016-08-02 Origin Wireless, Inc. Quadrature amplitude modulation for time-reversal systems
US10129862B1 (en) 2016-02-16 2018-11-13 Origin Wireless, Inc. Methods, devices, apparatus, and systems for medium access control in wireless communication systems utilizing spatial focusing effect
WO2010042319A2 (en) 2008-10-10 2010-04-15 Ziva Corporation Techniques and systems for wireless communications
US8743976B2 (en) 2009-09-03 2014-06-03 Ziva Corporation Techniques and systems for communications based on time reversal pre-coding
KR101588986B1 (ko) 2011-07-28 2016-02-12 엠파이어 테크놀로지 디벨롭먼트 엘엘씨 무선 통신 시스템들에 대한 사용자 포커싱 기법
FR2985120A1 (fr) 2011-12-23 2013-06-28 France Telecom Procedes d'emission et de reception de symboles de donnees
FR2985134A1 (fr) * 2011-12-23 2013-06-28 France Telecom Procede d'emission d'au moins un signal multi-porteuse forme de symboles ofdm-oqam
FR2985152A1 (fr) 2011-12-23 2013-06-28 France Telecom Procede de groupement de couples emetteur-recepteur pour communiquer sur un reseau de communications
US10270642B2 (en) 2012-12-05 2019-04-23 Origin Wireless, Inc. Method, apparatus, and system for object tracking and navigation
US10122409B2 (en) 2012-12-03 2018-11-06 University Of Maryland At College Park Systems and methods for time-reversal division multiple access wireless broadband communications
US9313020B2 (en) 2014-02-19 2016-04-12 Origin Wireless, Inc. Handshaking protocol for time-reversal system
US10327213B1 (en) 2015-10-01 2019-06-18 Origin Wireless, Inc. Time-reversal communication systems
US10380881B2 (en) 2015-12-09 2019-08-13 Origin Wireless, Inc. Method, apparatus, and systems for wireless event detection and monitoring
CN105827296B (zh) * 2016-05-23 2018-12-18 电子科技大学 一种基于2bit反馈协作波束成形方法
CN107666453B (zh) 2016-07-28 2021-05-18 上海诺基亚贝尔股份有限公司 发射器和相应的方法
US11234104B2 (en) * 2019-09-25 2022-01-25 Qualcomm Incorporated Time reversal for positioning
CN112986973B (zh) * 2019-12-18 2024-10-18 华为技术有限公司 距离测量方法和距离测量装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099597B2 (en) * 2000-08-25 2006-08-29 Pts Corporation Method of adaptive signal degradation compensation
US7096034B2 (en) * 2001-10-01 2006-08-22 Microsoft Corporation System and method for reducing power consumption for wireless communications by mobile devices
US7460605B2 (en) * 2001-11-15 2008-12-02 Lawrence Livermore National Security, Llc Time reversal communication system
KR100469245B1 (ko) * 2001-12-07 2005-02-02 엘지전자 주식회사 순방향 링크 전력 제어 방법
FI20040269A0 (fi) * 2004-02-20 2004-02-20 Nokia Corp Tiedonsiirtomenetelmä ja -järjestelmä, tukiasema ja lähetin-vastaanotin
US7916681B2 (en) * 2005-05-20 2011-03-29 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication channel error rate estimation

Also Published As

Publication number Publication date
ES2384151T3 (es) 2012-07-02
US20110103457A1 (en) 2011-05-05
EP2316208B1 (de) 2012-03-21
WO2009156703A3 (fr) 2010-07-08
US8457217B2 (en) 2013-06-04
EP2316208A2 (de) 2011-05-04
FR2933252A1 (fr) 2010-01-01
CN102138309A (zh) 2011-07-27
WO2009156703A2 (fr) 2009-12-30
CN102138309B (zh) 2014-06-18

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