EP1504535A4 - Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe - Google Patents

Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe

Info

Publication number
EP1504535A4
EP1504535A4 EP03728913A EP03728913A EP1504535A4 EP 1504535 A4 EP1504535 A4 EP 1504535A4 EP 03728913 A EP03728913 A EP 03728913A EP 03728913 A EP03728913 A EP 03728913A EP 1504535 A4 EP1504535 A4 EP 1504535A4
Authority
EP
European Patent Office
Prior art keywords
associated method
antenna weight
weight selection
gradient approximation
selection utilizing
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.)
Withdrawn
Application number
EP03728913A
Other languages
German (de)
English (en)
Other versions
EP1504535A1 (fr
Inventor
Balaji Raghothaman
Thomas R Derryberry
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 Oyj
Original Assignee
Nokia Oyj
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
Priority claimed from US10/146,159 external-priority patent/US6745009B2/en
Priority claimed from US10/334,045 external-priority patent/US6842632B2/en
Application filed by Nokia Oyj filed Critical Nokia Oyj
Publication of EP1504535A1 publication Critical patent/EP1504535A1/fr
Publication of EP1504535A4 publication Critical patent/EP1504535A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0634Antenna weights or vector/matrix coefficients
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0641Differential feedback

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)
EP03728913A 2002-05-15 2003-05-15 Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe Withdrawn EP1504535A4 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/146,159 US6745009B2 (en) 2002-05-15 2002-05-15 Apparatus, and associated method, for facilitating antenna weight selection utilizing deterministic perturbation gradient approximation
US146159 2002-05-15
US334045 2002-12-30
US10/334,045 US6842632B2 (en) 2002-12-30 2002-12-30 Apparatus, and associated method, for facilitating antenna weight selection utilizing deterministic perturbation gradient approximation
PCT/US2003/015228 WO2003098823A1 (fr) 2002-05-15 2003-05-15 Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe

Publications (2)

Publication Number Publication Date
EP1504535A1 EP1504535A1 (fr) 2005-02-09
EP1504535A4 true EP1504535A4 (fr) 2010-04-21

Family

ID=29552717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03728913A Withdrawn EP1504535A4 (fr) 2002-05-15 2003-05-15 Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe

Country Status (5)

Country Link
EP (1) EP1504535A4 (fr)
KR (1) KR100890793B1 (fr)
CN (1) CN100435489C (fr)
AU (1) AU2003234571A1 (fr)
WO (1) WO2003098823A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105393469A (zh) * 2013-06-19 2016-03-09 高通股份有限公司 用于促成用于闭环传输分集通信的信号干扰比估计的设备和方法

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7236540B2 (en) 2003-06-10 2007-06-26 Telefonaktiebolaget Lm Ericsson (Publ) Channel estimation in a transmission diversity system
US7319868B2 (en) 2004-09-27 2008-01-15 Telefonktiebolaget Lm Ericsson (Publ) Derivation of optimal antenna weights during soft handover
WO2006034792A2 (fr) * 2004-09-27 2006-04-06 Telefonaktiebolaget L M Ericsson (Publ) Obtention de ponderations d'antennes optimales pendant un transfert intercellulaire sans coupure
US8254482B2 (en) * 2008-05-13 2012-08-28 Samsung Electronics Co., Ltd. Perturbed decoder, perturbed decoding method and apparatus in communication system using the same
US9997830B2 (en) 2012-05-13 2018-06-12 Amir Keyvan Khandani Antenna system and method for full duplex wireless transmission with channel phase-based encryption
EP2850741B1 (fr) * 2012-05-13 2019-05-01 Amir Khandani Signalisation collaborative répartie dans des émetteurs-récepteurs sans fil bilatéraux simultanés
US10177896B2 (en) 2013-05-13 2019-01-08 Amir Keyvan Khandani Methods for training of full-duplex wireless systems
US9236996B2 (en) 2013-11-30 2016-01-12 Amir Keyvan Khandani Wireless full-duplex system and method using sideband test signals
US9413516B2 (en) 2013-11-30 2016-08-09 Amir Keyvan Khandani Wireless full-duplex system and method with self-interference sampling
US9820311B2 (en) 2014-01-30 2017-11-14 Amir Keyvan Khandani Adapter and associated method for full-duplex wireless communication
WO2017173461A1 (fr) * 2016-04-01 2017-10-05 Cohere Technologies, Inc. Précodage de tomlinson-harashima dans un système de communication otfs
US10778295B2 (en) 2016-05-02 2020-09-15 Amir Keyvan Khandani Instantaneous beamforming exploiting user physical signatures
US10700766B2 (en) 2017-04-19 2020-06-30 Amir Keyvan Khandani Noise cancelling amplify-and-forward (in-band) relay with self-interference cancellation
US11057204B2 (en) 2017-10-04 2021-07-06 Amir Keyvan Khandani Methods for encrypted data communications
US11012144B2 (en) 2018-01-16 2021-05-18 Amir Keyvan Khandani System and methods for in-band relaying

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952455B1 (en) * 2000-08-02 2005-10-04 Via Telecom, Co., Ltd. Adaptive antenna method and apparatus

Family Cites Families (3)

* 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
EP0807989B1 (fr) * 1996-05-17 2001-06-27 Motorola Ltd Procédé et appareil de pondération d'une voie de transmission
US6492942B1 (en) * 1999-11-09 2002-12-10 Com Dev International, Inc. Content-based adaptive parasitic array antenna system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952455B1 (en) * 2000-08-02 2005-10-04 Via Telecom, Co., Ltd. Adaptive antenna method and apparatus

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
3GPP2-DRAFTS, 2500 WILSON BOULEVARD, SUITE 300, ARLINGTON, VIRGINIA 22201 USA, 12 February 2001 (2001-02-12), XP040351356 *
3GPP2-DRAFTS, 2500 WILSON BOULEVARD, SUITE 300, ARLINGTON, VIRGINIA 22201 USA, 20 August 2001 (2001-08-20), XP040263545 *
BANISTER B C ET AL: "Implementation of transmit antenna weight adaptation through stochastic gradient feedback", CONFERENCE RECORD OF THE 35TH. ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, & COMPUTERS. PACIFIC GROOVE, CA, NOV. 4 - 7, 2001; [ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS], NEW YORK, NY : IEEE, US, vol. 2, 4 November 2001 (2001-11-04), pages 1517 - 1524, XP010582290, ISBN: 978-0-7803-7147-7 *
RAGHOTHAMAN B ED - INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "Deterministic perturbation gradient approximation for transmission subspace tracking in FDD-CDMA", ICC 2003. 2003 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS. ANCHORAGE, AK, MAY 11 - 15, 2003; [IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS], NEW YORK, NY : IEEE, US, vol. 4, 11 May 2003 (2003-05-11), pages 2450 - 2454, XP010642887, ISBN: 978-0-7803-7802-5 *
See also references of WO03098823A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105393469A (zh) * 2013-06-19 2016-03-09 高通股份有限公司 用于促成用于闭环传输分集通信的信号干扰比估计的设备和方法
CN105393469B (zh) * 2013-06-19 2018-10-02 高通股份有限公司 用于促成用于闭环传输分集通信的信号干扰比估计的设备和方法

Also Published As

Publication number Publication date
AU2003234571A1 (en) 2003-12-02
KR100890793B1 (ko) 2009-03-31
CN100435489C (zh) 2008-11-19
CN1653706A (zh) 2005-08-10
KR20040108803A (ko) 2004-12-24
EP1504535A1 (fr) 2005-02-09
WO2003098823A1 (fr) 2003-11-27

Similar Documents

Publication Publication Date Title
EP1504535A4 (fr) Appareil et procede associe permettant de faciliter la selection du poids d'une antenne a l'aide d'une approximation de gradient de perturbation deterministe
IL172670A0 (en) Apparatus, method, and system for positively identifying an item
EP1604794A4 (fr) Systeme de decoupe de substrat, appareil de production de substrat, procede de rainurage de substrat et procede de decoupe de substrat
IL164067A0 (en) Methods, apparatus and products for wireless access points
GB2401283B (en) Communication system, method and apparatus
AU2003294332A8 (en) Method and apparatus for creating an eh antenna
AU2003302444A8 (en) Degenerate birdcage coil and transmit/receive apparatus and method for same
EP1575184A4 (fr) Systeme, appareil et procede de communications
GB0506966D0 (en) Isometric system, method and apparatus
IL173316A0 (en) Communication system, communication apparatus, communication method, and communication program for realizing thereof
EP1556965A4 (fr) Procede et systeme pour selectionner des articles de donnees pour des demandes de service
IL178601A (en) Methods and apparatus for selecting between multiple carriers based on signal energy measurements
EP1702384A4 (fr) Procede et systeme de chargement sans fil
AU2003220518A8 (en) Transcoding apparatus, system, and method
EP1626529A4 (fr) Systeme, appareil et procede de radiocommunication, et programme d'ordinateur
AU2003230967A1 (en) Wireless repeater apparatus, system, and method
AU2003279869A8 (en) Wireless communication method, system and apparatus
SG137685A1 (en) Liquid-discharging apparatus, and density adjusting method and system of the same
GB2395620B (en) Cellular network acquisition method and apparatus
MXPA03006448A (es) Aparato y metodo para inspeccionar articulos.
SG121788A1 (en) System, apparatus and method for automated tapeoutsupport
GB2404113B (en) Communication units, cell-based communication system and method for frequency planning therein
GB2395619B (en) Cellular network acquisition method and apparatus
SG112105A1 (en) Apparatus, system, and method for adapter fastload
EP1659774A4 (fr) Recepteur de media, procede de reception de media et systeme de diffusion de medias

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20041028

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20100319

17Q First examination report despatched

Effective date: 20100614

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20101026